JP5087250B2 - Heated object holding auxiliary device, heated object holding device, heat treatment apparatus, and heated object holding auxiliary method - Google Patents

Description

  The present invention relates to a heated object holding assist device, a heated object holding device, and a heat treatment for assisting the holding of the heated object by the end holding means for holding the axially opposite ends of the heated object formed in a substantially rod shape. The present invention relates to an apparatus and a heated object holding assist method.

  2. Description of the Related Art Conventionally, an induction heating apparatus that performs induction heating while supporting a substantially rod-shaped object to be heated at both axial ends thereof is known. And the structure which has a mechanism which supports parts other than an axial direction both ends from the downward direction in such an induction heating apparatus is known (for example, refer patent document 1).

The one described in Patent Document 1 includes a first chuck that grips one end of a long workpiece, a second chuck that grips the other end of the long workpiece, and two supports that support the long workpiece halfway. And a roller.
When quenching the long workpiece, the heating coil is moved along the long workpiece supported by the first and second chucks and the two support rollers, and sequentially quenched. Further, when the heating coil reaches the position of the support roller, the heating cylinder is moved backward to a position where the long workpiece is not supported. And when this part is hardened, the support roller will return to the original position, and the structure which supports a elongate workpiece | work again is taken.

JP-A-9-157753

  However, when the configuration as described in Patent Document 1 is used, deformation in the direction intersecting the axial direction occurs in the vicinity of the portion supported by the support roller in the long workpiece after quenching. It has been confirmed that there is a case where it is out of value. For this reason, a configuration capable of appropriately assisting the holding of the object to be heated in which both axial ends are held is desired.

  An object of the present invention is to provide a heated object holding auxiliary device, a heated object holding device, a heat treatment apparatus, which appropriately assists the holding of the heated object by the end holding means for holding the axially opposite ends of the heated object, And it is providing the to-be-heated material holding | maintenance assistance method.

  The heated object holding assist device of the present invention is a heated object holding assist device that assists the holding of the heated object by the end holding means that holds both ends in the axial direction of the heated object formed in a substantially rod shape. A contact member that contacts the side surface when supporting the side surface of the object to be heated that is held by the end portion holding means on the center side rather than the both ends in the axial direction. A contact member moving means for moving the contacted member in the direction of contact with and away from the side surface of the heated object, and controlling the movement of the contact member by the contact member moving means so that the contact member is brought into contact with the side surface of the heated object. Positioning means for positioning at a position where a gap is formed therebetween.

According to the present invention, when supporting the side surface of the object to be heated, which is closer to the center side than the both ends in the axial direction, the contact member is in contact with the side surface, and the contact member is in contact with and separated from the side surface of the object to be heated. A contact member moving means for moving the contact member in a moving direction; and a positioning means for controlling the contact member moving means to position the contact member at a position where a gap is formed between the side surface of the object to be heated. Yes.
Here, by providing the contact member in a position that is positively separated from the object to be heated, compared to the conventional structure in which the contact member is positively brought into contact with the object to be heated, the heated object It has been confirmed that the amount of deformation in the direction intersecting the axial direction due to the heating of is reduced. In addition, by positioning the contact member at a position where a gap is formed between the side surface of the object to be heated, the object to be heated is deformed by the size of the gap in the direction intersecting the axis due to heating. Even in this case, it has been confirmed that the object to be heated comes into contact with the contact member and the amount of deformation can be minimized. In addition, the contact member can be provided at a position where an appropriate gap is formed between the object to be heated regardless of the size of the object to be heated.
This appropriately assists in holding the object to be heated.

  In the heated object holding auxiliary device of the present invention, it is preferable that the contact member is provided at a plurality of locations along the axial direction of the heated object held by the end holding means.

According to this invention, the contact member is provided at a plurality of locations along the axial direction of the object to be heated.
This makes it possible to minimize the amount of deformation at more locations along the axial direction of the object to be heated, compared to the configuration in which the contact member is provided at one location along the axial direction of the object to be heated. The holding of objects is better assisted.

In the heated object holding auxiliary device of the present invention, the abutting member is held by the abutting member holding means that is movable in a direction of contacting and separating from the side surface of the heated object by driving the abutting member moving means, The positioning means includes a cylinder tube fixed at a position away from the object to be heated, and a fluid pressure cylinder having a rod that can advance and retreat in a direction substantially parallel to the moving direction of the contact member by the pressure of the fluid; A first stopper provided on a tip end side exposed from the cylinder tube of the rod; and the first stopper provided on the contact member holding means when the contact member moves in a direction approaching the object to be heated. It is preferable to include a second stopper that abuts against the stopper and restricts movement in the approaching direction.

According to this invention, the positioning means includes a fluid pressure cylinder having a cylinder tube and a rod, the first stopper provided on the tip end side of the rod, and the contact member holding means provided in contact with the first stopper. A second stopper for restricting the movement of the contact member.
Accordingly, the movement of the contact member is restricted with a simple configuration in which the first stopper and the second stopper are in contact with each other. In addition, with a simple configuration in which the position of the first stopper is changed by moving the rod of the fluid pressure cylinder, a gap is formed between the contact member and the side surface corresponding to the diameter of the object to be heated. Positioned. Furthermore, since the rod is moved by the fluid pressure, the first stopper can be continuously moved, and the position of the contact member can be finely adjusted.

  In the heated object holding auxiliary device of the present invention, it is preferable that the fluid pressure cylinder is a hydraulic cylinder that advances and retracts the rod using oil as the fluid.

According to this invention, the hydraulic cylinder is applied as the fluid pressure cylinder.
This makes it possible to set the position of the contact portion more precisely by the lubricating action of the oil. Therefore, the position of the contact portion is set more appropriately.

  In the heated object holding auxiliary device of the present invention, it is preferable that the size of the gap formed between the abutting member and the side surface is 0.1 mm or more and 1.0 mm or less.

According to the present invention, the size of the gap formed between the contact member and the side surface is set to 0.1 mm or more and 1.0 mm or less.
As a result, the amount of deformation of the object to be heated is minimized, and the object to be heated is appropriately heated.

  The heated object holding device according to the present invention is an end holding means for holding both ends of the heated object formed in a substantially rod shape in the axial direction, and assists the holding of the heated object by the end holding means. And a heated object holding auxiliary device.

According to the present invention, the holding of the heated object held by the end holding means on both ends in the axial direction is assisted by the above-described heated object holding assist device.
Accordingly, the heated object is appropriately held in a state where the same effect as the heated object holding auxiliary device described above is achieved.

  The heat treatment apparatus of the present invention includes the above-described heated object holding device that holds the heated object formed in a substantially rod shape, and a heating unit that heats the heated object held by the heated object holding apparatus, It is characterized by comprising.

According to the present invention, the heated object held by the heated object holding device described above is heated by the heating means.
By this, the heat processing apparatus which can heat a to-be-heated material appropriately can be obtained by heating the to-be-heated material appropriately hold | maintained.

In the heat treatment apparatus of the present invention, the heated object holding device is disposed in a housing, and the heating means is formed in a substantially ring shape that substantially covers a side surface of the heated object, and heats the heated object. Treatment means, and relative movement means for relatively moving the heat treatment means and the casing in the axial direction of the object to be heated held by the end holding means, and relatively moved by the relative movement means. A heating position determining means for determining whether or not the heat treatment means is located in the vicinity of the contact member; and when the heating position determination means determines that the heat treatment means is located in the vicinity of the contact member, When the contact member moving means is controlled to move the contact member to a position not in contact with the heat treatment means, and it is determined that the heat treatment means is not located near the contact member, the contact member movement means is Control before It is preferable that the contact member was provided with a contact member movement control means for moving to a position where the gap is formed between the side surface.

According to the present invention, the heated object holding device is arranged in the casing . Further, the heating means is provided with heat treatment means and relative movement means for relatively moving the heat treatment means and the casing in the axial direction of the object to be heated. Then, the object to be heated is heated by the heat treatment means, and the heat treatment means and the housing are relatively moved. When it is determined that the heat treatment means is located in the vicinity of the contact member, the contact member contacts the heat treatment means. Move to a position where it will not. On the other hand, when it is determined that the heat treatment means is not located near the contact member, the contact member is moved to a position where a gap is formed between the object to be heated.
As a result, since the heat treatment means is relatively moved in the axial direction of the object to be heated, the entire object to be heated is obtained even if the heat treatment means has a substantially ring-shaped axial dimension smaller than that of the object to be heated. It becomes possible to heat. Moreover, it becomes possible to heat a to-be-heated object appropriately according to a use by changing a heating state with the relative position of a heat-processing means. Furthermore, as the heat treatment means moves relatively, the position of the contact member is changed to a position where it does not contact the heat treatment means or a position close to the object to be heated. Retention aid is obtained.
Therefore, the structure which can implement | achieve size reduction of a heat processing means, appropriate heating of a to-be-heated object, and appropriate holding assistance is obtained.

  In the heat treatment apparatus of the present invention, it is preferable that the heat treatment means is an induction heating coil that performs induction heat treatment with supplied electric power as the heat treatment of the object to be heated.

According to the present invention, the induction heating coil that performs the induction heating process with the supplied electric power is applied as the heat processing means.
Thus, it is possible to obtain a heat treatment apparatus capable of appropriately inductively heating an object to be heated in a state where the above-described effects are exhibited.

In the heat treatment apparatus of the present invention, the relative position information regarding the relative position before and after the relative movement of the object to be heated and the induction heating coil, and the relative movement speed when the object to be heated and the induction heating coil are relatively moved. Storage means for storing relative movement speed information, wherein the relative movement means moves the object to be heated and the induction heating coil from the relative position before the relative movement of the relative position information to the relative position after the relative movement. wherein the traveling speed information by relative movement at a relative moving speed, the heating position determining means, the relative movement before and after the relative position of the relative position information, and, based on the relative moving speed of the relative movement speed information, It is preferable to determine whether or not the induction heating coil is located in the vicinity of the contact member.

According to this invention, the relative position information related to the relative position before and after the relative movement of the object to be heated and the induction heating coil and the relative movement speed related to the relative movement speed when the object to be heated and the induction heating coil are relatively moved are stored in the storage means. Information. Then, the object to be heated and the induction heating coil are relatively moved from the relative position before the relative movement of the relative position information to the relative position after the relative movement at the relative movement speed of the relative movement speed information. Further, based on the relative position before and after the relative movement in the relative position information and the relative movement speed in the relative movement speed information, it is determined whether or not the induction heating coil is located in the vicinity of the contact member.
This makes it possible to determine whether or not the induction heating coil is located in the vicinity of the contact member without providing a configuration for detecting the relative position of the object to be heated and the induction heating coil, and simplification of the configuration. Can be planned.

  The heated object holding assist method of the present invention is a heated object holding assist method for assisting the holding of the heated object by the end holding means for holding both ends in the axial direction of the heated object formed in a substantially rod shape. A contact member that contacts the side surface when supporting the side surface of the object to be heated that is held by the end portion holding means on the center side rather than the both ends in the axial direction. A contact member moving means for moving the contacted member in a direction in contact with and away from the side surface of the heated object, and controlling the movement of the contact member by the contact member moving means to move the contact member of the object to be heated. It is characterized by being positioned at a position where a gap is formed between the side surfaces.

  According to this invention, the same operation and effect as the above-mentioned heated object holding auxiliary device can be obtained.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the present embodiment, an induction heating apparatus that induction-heats an object to be heated formed in a substantially rod shape will be described as an example.
Here, as an object to be heated, in addition to a complicatedly shaped gear having a plurality of irregularities on the surface, screws, bolts, nuts, etc., a cylindrical member having a different radial dimension such as a shaft and having irregularities in the axial direction A cylindrical member or a cylindrical member having no irregularities as described above, such as a composite member in which different materials are laminated, can be exemplified, but not limited to this, any heated object formed in a substantially rod shape Can also be targeted.

[Configuration of induction heating device]
FIG. 1 is a schematic diagram showing a schematic configuration of an induction heating apparatus according to an embodiment of the present invention. FIG. 2 is a schematic diagram showing a schematic configuration of the side support means. FIG. 3 is a schematic diagram showing a schematic configuration of a main part of the side support means. FIG. 4 is a schematic diagram showing a schematic configuration of quenching information. FIG. 5 is a schematic diagram showing a schematic configuration of the process control information. FIG. 6 is a block diagram illustrating a schematic configuration of a main part of the induction heating apparatus. FIG. 7 is a schematic diagram illustrating a state where a gap is formed between the object to be heated and the contact roller. FIG. 8 is a schematic diagram showing a schematic configuration of a main part of the side support means. FIG. 9 is a schematic diagram illustrating a state where a gap is formed between the object to be heated and the contact roller. FIG. 10 is a schematic diagram showing a schematic configuration of the model code setting screen. FIG. 11 is a schematic diagram showing a schematic configuration of a shaft hardening condition setting screen. FIG. 12 is a schematic diagram showing a schematic configuration of the step data setting screen.
In FIG. 1, reference numeral 100 denotes an induction heating apparatus as a heat treatment apparatus. This induction heating apparatus 100 is an apparatus that induction-heats and quenches a round bar-shaped object W1 with electric power of a predetermined frequency. Then, the induction heating apparatus 100 includes a housing 200, and the heated object holding device 300 for holding an object to be heated W1 is placed in this casing 200, the induction heating of the heated section for inductively heating an object to be heated W1 A processing means 500, a display means 600 for displaying various information, a memory 700 as a storage means, an induction heating control device 800 that also functions as a computing means for controlling the induction heating state by the induction heating processing means 500, and not shown. Operation means, and the like.

As shown in FIGS. 1 and 2, the housing 200 has a bottom surface portion 210 formed in a substantially rectangular plate shape, and a pair of first portions erected upward from a pair of opposite side edges of the bottom surface portion 210. 1 side part 220, a pair of 2nd side part 230 standing up from a pair of side edge in which the 1st side part 220 of the bottom face part 210 is not provided, etc. are provided.
In the following, when expressing the positional relationship of each configuration, the direction corresponding to the front-rear direction of the paper surface in FIG. 1 is appropriately referred to as the apparatus left-right direction, and the direction corresponding to the left-right direction of the paper surface is appropriately referred to as the apparatus front-rear direction. explain.

  The heated object holding device 300 holds the two heated objects W1 in a state where the axial direction coincides with the longitudinal direction of the apparatus and is arranged in the lateral direction of the apparatus (see, for example, FIG. 7). And the to-be-heated object holding | maintenance apparatus 300 is the to-be-heated object holding | maintenance assistance which assists holding | maintenance of the to-be-heated object W1 by this edge part holding means 310 and the edge part holding means 310 which hold | maintains the both ends of the to-be-heated object W1 in the axial direction. The apparatus 350, the conveyance means which is not shown in figure which conveys the to-be-heated material W1 to the edge part holding means 310, etc. are provided.

For example, the transport unit includes a transport unit (not shown) that holds and transports the object to be heated W1 transported from the outside of the housing 200, and a shape measuring unit 305 that measures the shape of the object to be heated W1 held by the transport unit. (See FIG. 6).
The transport unit performs a process of transporting and holding the object to be heated W1 to a position where it can be held by the end holding means 310. The shape measuring unit 305 measures at least one diameter and length as the shape of the article to be heated W1. Then, the shape information regarding the measurement result is output to the induction heating control device 800.

  The end holding means 310 holds the article to be heated W1 by holding the article to be heated W1 from both ends. The end holding means 310 includes a first end holding part 320 provided on one side in the apparatus front-rear direction, a second end holding part 330 provided on the other side in the apparatus front-rear direction, and the like.

The one end side holding portion 320 holds two centering pins 321 having a distal end portion 321A that is in contact with one end of the object to be heated W1 and the base ends of these centering pins 321 and appropriately rotates in the circumferential direction thereof. And two rotation motors 322 as rotating means to be rotated.
The rotation motor 322 is provided in a bridging portion (not shown) that spans the pair of first side surface portions 220. The rotation motor 322 appropriately rotates the support pin 321 under the control of the induction heating control device 800.

The other end side holding portion 330 holds a support pin 331 having a distal end portion 331A that is in contact with the other end of the article to be heated W1, and a base end of the support pin 331 and appropriately moves it in the axial direction. A cylinder 332 and the like.
The cylinder 332 includes a cylinder tube 332A provided in a bridging portion (not shown) spanned between the pair of first side surface portions 220, and a piston 332B that is connected to a center pin 331 and can reciprocate in the cylinder tube 332A. I have.

  And the edge part holding means 310 pinches the to-be-heated object W1 with the centering pins 321 and 331 by positioning piston 332B in a predetermined position with respect to the to-be-heated object W1 conveyed by the conveyance means. Furthermore, the end holding means 310 rotates the object to be heated W1 in the circumferential direction as indicated by an arrow C by driving the rotation motor 322 while holding the object to be heated W1.

  As shown in FIGS. 1 and 2, the heated object holding auxiliary device 350 is arranged in parallel along the axial direction of the heated object W1 held by the arm guide portion 360 and the end holding means 310, that is, in the longitudinal direction of the apparatus. Three side support means 370 and the like. Note that one, two, or four or more side support means 370 may be provided.

The arm guide part 360 guides the movement of the side part support 370 in the vertical direction of an arm part 392 described later. The arm guide portion 360 is formed in a substantially rectangular plate shape and spans between a pair of first side surface portions 220, and six guide members 362 provided on the upper surface of the guide bridge portion 361. And three positioning means mounting bases 363 provided with positioning means 410 to be described later.
The guide bridge portion 361 is provided with six bridge communication holes 361A through which the arm portion 392 can communicate. These six bridging communication holes 361A are arranged in a state where three are arranged in the front-rear direction of the apparatus and two are arranged in the left-right direction of the apparatus.
The guide member 362 is formed in a cylindrical shape with which the arm portion 392 can communicate. These six guide members 362 are respectively provided on the upper surface of the guide bridging portion 361 so that the axis thereof coincides with the bridging communication hole 361A.
The positioning means arrangement base 363 is formed in a substantially rectangular plate shape, for example. These three positioning means mounting bases 363 are provided on the lower surface of the guide bridging portion 361 so as to be positioned between the bridging communication holes 361A arranged in the left-right direction of the apparatus.

The side surface support means 370 appropriately supports the side surface of the article to be heated W1. 1, 2 and 3, the side support means 370 is provided so as to be movable in the vertical direction by driving the air cylinder 380 as a contact member moving means and the air cylinder 380. As shown in FIG. The abutting roller holding means 390, four abutting rollers 400 constituting the abutting member held by the abutting roller holding means 390 and appropriately abutting against the side surface of the article to be heated W1, and the article to be heated W1. Positioning means 410 for positioning the abutting roller 400 in correspondence with the diameter size of the contact roller 400, and the like.

  The air cylinder 380 includes an air cylinder tube 381 disposed on the bottom surface portion 210, a piston 382 capable of reciprocating within the air cylinder tube 381 by air pressure, and a rod 383 formed in a rod shape and having one end connected to the piston 382. And an air pressure adjusting unit 384 (see FIG. 6) for adjusting the air pressure in the air cylinder tube 381 under the control of the induction heating control device 800. In the following, of the three air cylinders 380, the air pressure adjustment unit 384 of the air cylinder 380 on the one end side holding unit 320 side is referred to as the first air pressure adjustment unit 384A and the air pressure adjustment unit of the central air cylinder 380. 384 is referred to as a second air pressure adjusting unit 384B, and the air pressure adjusting unit 384 of the air cylinder 380 on the other end holding unit 330 side is referred to as a third air pressure adjusting unit 384C as appropriate.

  The contact roller holding means 390 includes an arm placement base 391 connected to the other end of the rod 383, a pair of arm portions 392 provided in a state of extending upward on the arm placement base 391, and the pair of arms A roller holding bridge 393 spanning the tip of the section 392, a pair of roller holding parts 394 provided on the upper surface of the roller holding bridge 393, and the like.

  The arm arrangement base 391 is formed in an elongated, substantially rectangular plate shape. The arm arrangement base 391 is provided in a state where the substantially center is fixed to the base end of the rod 383 and the longitudinal direction coincides with the horizontal direction of the apparatus.

  The arm portion 392 is formed in a rod shape and is provided at both ends of the arm arrangement base portion 391 in the longitudinal direction. The arm portion 392 moves in the vertical direction while being guided by the bridging communication hole 361A and the guide member 362.

  The roller holding bridging portion 393 is formed in a substantially rectangular plate shape slightly longer than the arm arrangement base portion 391.

Each roller holding portion 394 includes a holding base 394A disposed on the roller holding bridging portion 393, a pair of roller shafts 394B provided on the holding base 394A, and the like. These holding base portions 394A are formed in a substantially rectangular box shape, and are provided on the upper surface of the roller holding bridging portion 393 at intervals equal to the intervals of the arm portions 392.
The roller shaft 394B is provided so as to penetrate the holding base 394A. Specifically, the roller shaft 394B is provided in a state in which the axial direction coincides with the front-rear direction of the apparatus and is arranged at a predetermined distance in the left-right direction of the apparatus. Further, a shaft retaining member 394C that prevents the roller shaft 394B from coming off from the retaining base 394A is provided at the end of the roller shaft 394B on the one end side retaining portion 320 side. Furthermore, a roller retaining member 394D that prevents the contact roller 400 from coming off the roller shaft 394B is provided at the end of the roller shaft 394B on the other end holding portion 330 side.

The contact roller 400 is formed in a thick cylindrical shape. The contact roller 400 is provided in the state where the vicinity of the end of the roller shaft 394B on the other end side holding portion 330 side is communicated with and does not contact the adjacent contact roller 400. Further, the contact roller 400 is provided to be rotatable about its axis.
Here, as a configuration in which the contact roller 400 is rotatably provided, a configuration in which the roller shaft 394B is fixed to the holding base 394A and the contact roller 400 is rotatably provided to the roller shaft 394B, or the contact roller 400 is provided. Can be applied to the roller shaft 394B, and the roller shaft 394B can be rotated with respect to the holding base 394A.

  As shown in FIGS. 2 and 3, the positioning means 410 includes a hydraulic cylinder 420 as a fluid pressure cylinder provided on the positioning means mounting base 363, and a measuring unit provided movably with respect to the hydraulic cylinder 420. The holding member 430, the holding member guide part 440 that guides the movement of the measuring part holding member 430, the arm movement restricting part 450 that restricts the rise of the arm part 392, and the position of the measuring part holding member 430 with respect to the hydraulic cylinder 420 A measurement unit 460 for measuring, and the like.

  The hydraulic cylinder 420 includes a hydraulic cylinder tube 421 disposed substantially at the center of the lower surface of the positioning means mounting base 363, a piston 422 that can be reciprocated by hydraulic pressure in the hydraulic cylinder tube 421, and a rod-shaped piston 422. A rod 423 having one end connected thereto, a hydraulic pressure adjusting unit 425 (see FIG. 6) that moves the piston 422 and the rod 423 by adjusting the hydraulic pressure in the hydraulic cylinder tube 421 under the control of the induction heating control device 800, and the like. ing. In the following, among the three hydraulic cylinders 420, the hydraulic pressure adjustment unit 425 of the hydraulic cylinder 420 on the one end side holding unit 320 side is referred to as the first hydraulic pressure adjustment unit 425A, and the hydraulic pressure adjustment unit 425 of the central hydraulic cylinder 420 is referred to as the first. The second hydraulic pressure adjustment unit 425B and the hydraulic pressure adjustment unit 425 of the hydraulic cylinder 420 on the other end side holding unit 330 side will be referred to as a third hydraulic pressure adjustment unit 425C as appropriate.

  The measurement unit holding member 430 is formed in a substantially rectangular plate shape. The measurement unit holding member 430 is attached to the tip of the rod 423 of the hydraulic cylinder 420 in a state where the longitudinal direction coincides with the apparatus left-right direction and the short side direction coincides with the apparatus front-rear direction. Further, the measurement unit holding member 430 is attached to the rod 423 in a state in which a portion on the other end side holding unit 330 side in the short direction protrudes from the side surface of the hydraulic cylinder tube 421. A portion protruding from the side surface of the hydraulic cylinder tube 421 serves as a measurement unit disposition unit 431 in which the measurement unit 460 is disposed. Furthermore, a measurement rod communication hole 431A through which a measurement rod 463 (to be described later) of the measurement unit 460 is communicated is provided in the approximate center of the measurement unit disposition unit 431.

The holding member guide portion 440 includes a pair of guide members 441 formed in a cylindrical shape, and a shaft member 442 inserted into the guide member 441.
The pair of guide members 441 are provided at symmetrical positions around the hydraulic cylinder tube 421 on the lower surface of the positioning means mounting base 363. The guide member 441 is provided in a state where the axial direction coincides with the axial direction of the rod 423.
The shaft member 442 is provided at a symmetrical position about the rod 423 on the upper surface of the measurement unit holding member 430. The shaft member 442 is provided so that the axial direction thereof coincides with the axial direction of the rod 423 and the guide member 441 and is movable in the vertical direction while being guided by the guide member 441.

The arm movement restricting unit 450 includes a first stopper 451 provided on the lower surface of the measurement unit holding member 430 and a second stopper 452 provided on the upper surface of the arm arrangement base 391.
The first stopper 451 is formed in, for example, a short cylindrical shape, and is provided in a state where its axis coincides with the axis of the rod 423.
The second stopper 452 is constituted by, for example, a bolt, and is provided in a state where the axis thereof coincides with the axis of the first stopper 451. When the arm placement base 391 is raised by driving the air cylinder 380, the upper surface 452A of the second stopper 452 contacts the lower surface 451A of the first stopper 451 (see FIGS. 7 and 9). Thereby, the rise of the arm placement base 391 is restricted, and the rise of the arm 392 is also restricted.

The measuring unit 460 is formed in a measuring cylinder tube 461 provided on the lower surface of the measuring unit disposing unit 431, a piston 462 capable of reciprocating in the measuring cylinder tube 461, and formed in a rod shape, with one end connected to the piston 462. A measurement rod 463, a joint 464 that connects the other end of the measurement rod 463 and the positioning means mounting base 363, a position detection unit 465 (see FIG. 6) that detects the position of the measurement unit holding member 430, and the like. ing. In the following description, among the three measurement units 460, the position detection unit 465 of the measurement unit 460 on the one end holding unit 320 side is referred to as the first position detection unit 465A, and the position detection unit 465 of the central measurement unit 460 is referred to as the first. The two-position detection unit 465B and the position detection unit 465 of the measurement unit 460 on the other end holding unit 330 side will be referred to as a third position detection unit 465C as appropriate.
The measurement cylinder tube 461 is provided at a position corresponding to the measurement rod communication hole 431 </ b> A on the lower surface of the measurement part disposition part 431.
The joint 464 is formed in a substantially rod shape. The joint 464 is provided on the lower surface of the positioning means mounting base 363 in a state where the axial direction thereof coincides with the axial direction of the measuring rod 463. Further, the other end of the measuring rod 463 is fitted and fixed to the tip of the joint 464.
Although not shown here, the position detection unit 465 is provided in any one of the measurement cylinder tube 461, the measurement rod 463, the measurement unit holding member 430, and the like. The position detection unit 465 detects, for example, the distance between the lower surface 421A of the hydraulic cylinder tube 421 and the lower surface 451A of the first stopper 451 as the position of the measurement unit holding member 430 with respect to the hydraulic cylinder 420. Is output to the induction heating control apparatus 800.

  As shown in FIG. 1, the induction heating processing means 500 is provided with a relative movement means 510 provided at the upper portion of the housing 200 and a relative movement means 510 that can be moved relative to the article to be heated W <b> 1. A pair of induction heating coils 520 serving as heat treatment means for induction heating the object W1 and a heated object W1 that is provided by the relative movement means 510 so as to be relatively movable with respect to the object W1 and is induction heated is cooled by water M. A pair of cooling means 530, a power supply section 540 (see FIG. 6) as power supply means for supplying power to the induction heating coil 520, and a cooling water supply section 550 (FIG. 6) for supplying water M to the cooling means 530. And so on.

The relative moving means 510 includes a guide member 511 spanned over the second side surface portion 230 of the casing 200, a pair of transmission rod support portions 512 provided on the upper surface of the guide member 511, and the transmission rod support. A power transmission rod 513 rotatably supported by the portion 512 and having a screw groove 513A on a side surface; a moving element 514 having a transmission rod insertion hole (not shown) through which the power transmission rod 513 is inserted and screwed into the screw groove 513A; A connection base member 515 provided with a guide member 511 in a state of penetrating a pair of opposed surfaces formed in a substantially box shape, and a pair that can be rotated while being guided by the guide member 511 provided inside the connection base member 515. The roller member 516, a pair of saddles 517 provided in a state of being arranged in the left-right direction on the lower surface of the connection base member 515, and the power transmission rod 513 are rotated to support the It includes a relative moving motor 518 for moving the Le 517 device in the longitudinal direction, and the like.
In addition to driving the relative movement motor 518, the power transmission rod 513 has a configuration that allows the saddle 517 to be moved manually by a manual operation unit (not shown).
The saddle 517 is formed in a substantially box shape having a hollow portion (not shown), and is attached so that one surface faces the object to be heated W1. The saddle 517 is provided with a sensor (not shown) that measures the distance between the induction heating coil 520 and the object to be heated W1 and outputs distance information regarding this distance to the induction heating control device 800.
In FIG. 1, only one saddle 517 is shown.

  The induction heating coil 520 is formed in a substantially ring shape, for example, and is attached to one surface of the saddle 517. Further, the induction heating coil 520 is electrically connected to the power supply unit 540 through a connection line (not shown) disposed in the hollow portion of the saddle 517. The induction heating coil 520 is supplied from the power supply unit 540 while the object to be heated W1 is inserted into the hollow portion in a non-contact state and moves in the axial direction of the object to be heated W1 along with the movement of the saddle 517. The to-be-heated object W1 is induction-heated with electric power.

  The cooling means 530 is formed in, for example, a ring shape having a hollow portion, and is attached to the one end side holding portion 320 rather than the induction heating coil 520 on one surface of the saddle 517. On the inner peripheral surface of the cooling means 530, an opening 531 opened in the direction opposite to the induction heating coil 520 is provided. Furthermore, the cooling means 530 is connected to the cooling water supply unit 550 via a pipe (not shown) disposed in the hollow portion. The cooling means 530 is supplied from the cooling water supply unit 550 while the object to be heated W1 is inserted in the hollow portion in a non-contact state and moves in the axial direction of the object to be heated W1 along with the movement of the saddle 517. Water M to be heated is discharged from the opening 531 to cool the article to be heated W1.

  The power supply unit 540 and the cooling water supply unit 550 are disposed, for example, in the vicinity of or inside the housing 200. And the electric power supply part 540 and the cooling water supply part 550 are controlled by the induction heating control apparatus 800, and implement the supply process of electric power or water M. FIG.

The display unit 600 includes a display unit 610 (see, for example, FIG. 10) and a touch panel 620 (see, for example, FIG. 10).
The display unit 610 is connected to the induction heating control device 800 and displays image data on the display area 611 under the control of the induction heating control device 800. Examples of the image data to be displayed on the screen include image data such as various menus and the operating state of the induction heating apparatus 100.
The touch panel 620 faces the display area 611 of the display unit 610 so that the operator can perform a touch operation. Touch panel 620 is connected to induction heating control device 800, and an operator performs a contact operation based on image data displayed in display region 611 to output a region signal related to the region to induction heating control device 800. Then, the setting items of the display screen corresponding to the contact operation area are input and set by the induction heating control device 800.

The memory 700 is connected to the induction heating control device 800 and stores various types of information so that the induction heating control device 800 can be read as appropriate. As the information to be stored, for example, setting items to be set and input by the touch panel 620, various information acquired or generated by the induction heating control apparatus 800, details of a model code setting screen 10 (see FIG. 10) to be described later, Examples include image data of various forms displayed on the display unit 610 such as the shaft quenching condition setting screen 30 (see FIG. 11) and the step data setting screen 50 (see FIG. 12).
Further, the memory 700 stores at least one quenching information 710 as shown in FIG.
Further, the memory 700 stores various programs developed on an OS (Operating System) that controls the operation of the induction heating apparatus 100 as a whole. As the memory 700, it is desirable to use, for example, a memory (eg, a complementary metal-oxide semiconductor (CMOS) memory) having a configuration that retains memory even when the power is suddenly turned off due to a power failure or the like.

  Here, the quenching information 710 is information regarding various conditions when induction heating the specific object to be heated W1. The quenching information 710 includes file number information 720, model code information 730, quenching condition information 740, and processing control information 750. Note that the quenching information 710 is associated with shape characteristic information (not shown) regarding the shape of the article to be heated W1.

The file number information 720 is a number unique to the quenching information 710, that is, information relating to the file number.
The model code information 730 is a code unique to the article to be heated W1, that is, information relating to alphanumeric characters.
The file number information 720 and the model code information 730 are appropriately updated and generated by the induction heating control apparatus 800 based on an input operation corresponding to the model code setting screen 10.
The quenching condition information 740 is information relating to the induction heating condition of the article to be heated W1. Specifically, it is information regarding various conditions displayed in a setting condition area 32 and a frequency selection area 33 described later on the shaft hardening condition setting screen 30.
This quenching condition information 740 is appropriately updated and generated by the induction heating control device 800 based on an input operation corresponding to the shaft quenching condition setting screen 30.

The process control information 750 is information related to the induction heating process condition for one object to be heated W1. The process control information 750 is appropriately updated and generated by the induction heating control device 800 based on an input operation corresponding to the step data setting screen 50. The process control information 750 includes a plurality of step process information 760 as process content information, as shown in FIG.
The step processing information 760 is information regarding processing conditions in each step when a series of induction heating processing is divided into a plurality of steps. The step processing information 760 includes step number information 761 as processing order information, timer information 762 as period information, relative position information 763, relative movement speed information 764, and voltage information 765 as supply power information. And rotation number information 766 as rotation state information and cooling information 767 as cooling state information.

The step number information 761 is information regarding the step number, that is, the processing order corresponding to the step processing information 760. In the following, the process corresponding to the step process information 760 whose number represented by the step number information 761 is k will be described as the process of step k as appropriate.
The timer information 762 is information related to a timer value Tk (k is a step number) that is a period from the start of processing based on the step processing information 760 to the transition from step k to step (k + 1).
The relative position information 763 is information regarding the position Pk (k is a step number) of the saddle 517 with respect to the article to be heated W1. Specifically, for example, it is information related to the position Pk of the saddle 517, where the end of the heated object W1 on the other end holding part 330 side is the reference position, that is, the position of 0 mm.
The relative movement speed information 764 is information regarding the speed Vk (k is a step number) when the saddle 517 is moved by driving the relative movement motor 518.
The voltage information 765 is information related to the voltage Ok of power supplied to the induction heating coil 520 (k is a step number). Here, the voltage information 765 is exemplified as the supply power information of the present invention, but it may be power information related to power or current information related to current.
The rotation number information 766 is information regarding the rotation number Rk (k is a step number) when the object to be heated W1 is rotated by the rotation motor 322.
The cooling information 767 is information related to a cooling state value Qk (k is a step number) indicating whether or not the object to be heated W1 is cooled by the cooling unit 530. Specifically, when the cooling state value Qk is “0”, it indicates that cooling is not performed, and when it is “1”, it indicates that cooling is performed.

  The operation means includes, for example, operation buttons and operation knobs that can be input by an operator. The operation means is connected to the induction heating control device 800, outputs a predetermined operation signal to the induction heating control device 800 in response to an input operation such as an operation button or an operation knob, and performs an input operation on the induction heating control device 800. Input and set various setting items based on.

  The induction heating control device 800 is a device that appropriately sets the processing conditions of the induction heating device 100 and controls the processing state of the induction heating device 100 under the set processing conditions. As shown in FIG. 6, the induction heating control apparatus 800 includes a contact roller positioning control unit 810, a display control unit 820, an information generation / updating unit 830 that also functions as an information updating unit, and an execution process. Step specifying means 840 as content information specifying means, processing control means 850, and the like are provided.

The contact roller positioning control means 810 controls the positioning of the contact roller 400 with respect to the heated object W1.
Specifically, the contact roller positioning control unit 810 acquires shape information from the shape measuring unit 305, and specifies the shape of the object to be heated W1 to be heated based on the shape information. For example, it is specified that the article to be heated W1 has a columnar shape, a prismatic shape, or a shape with unevenness. Further, position signals are acquired from the first to third position detection units 465A to 465C, and the current position of the measurement unit holding member 430 with respect to each hydraulic cylinder 420 is recognized. Then, the first to third hydraulic pressure adjustment units 425A to 425C are appropriately and independently controlled so that each hydraulic cylinder 420 is independently driven, and the measurement unit holding member 430 is changed from the current position according to the shape of the object to be heated W1. Move to the desired position.
In this way, by moving the measurement unit holding member 430, the contact roller 400 contacts the side surface when the side surface of the article to be heated W1 is deformed by a predetermined dimension or more in the direction intersecting the axial direction by heating, and The position is determined according to the diameter of the article to be heated W1 at a position where a gap is formed between the side and the side when not deformed more than a predetermined dimension.

For example, the measurement unit holding member 430 is brought into a state where the distance between the lower surface 421A of the hydraulic cylinder tube 421 and the lower surface 451A of the first stopper 451 is L1, as shown in FIG. Move. Then, as the air cylinder 380 is driven, the arm portion 392 is raised, and as shown in FIG. 7, the second stopper 452 comes into contact with the first stopper 451, so that the raising of the arm portion 392 is restricted. By this restriction, the arm portion 392 is positioned, and a gap E1 having a size F1 is formed between the heated object W1 having a diameter of G1 held by the end holding means 310 and the contact roller 400.
Further, as shown in FIG. 8, the contact roller positioning control means 810 causes the measuring unit holding member 430 to be in a state where the distance between the lower surface 421A of the hydraulic cylinder tube 421 and the lower surface 451A of the first stopper 451 is L2. Move. As the air cylinder 380 is driven, the arm portion 392 is raised, and as shown in FIG. 9, the raising of the arm portion 392 is restricted by the contact of the second stopper 452 and the first stopper 451. Due to this restriction, a gap E2 having a dimension F2 is formed between the heated object W2 having a diameter of G2 and the contact roller 400.
Here, the dimensions F1 and F2 of the gaps E1 and E2 are desirably set to 0.1 mm or more and 1.0 mm or less. The values of the dimensions F1 and F2 may be the same value or different values.
In addition, each measurement unit holding member 430 may be moved with respect to each hydraulic cylinder 420 based on an input operation by an operator.

The display control means 820 controls to display various setting screens and various data as appropriate. When the information generation / updating unit 830 recognizes a setting input for setting the processing state by the operator, the display control unit 820 displays a model code setting screen 10 as shown in FIG. Display in area 611.
Here, the model code setting screen 10 includes a quenching condition menu screen transition area 11, a file number area 12, a model code area 13, a date / time area 14, a data change area 15, a setting end area 16, A number input area 17 and the like.

The quenching condition menu screen transition area 11 is provided in the upper left corner of the model code setting screen 10. This quenching condition menu screen transition area 11 is selected when transitioning to a quenching condition menu screen (not shown).
The file number area 12 is provided on the lower right side of the quenching condition menu screen transition area 11. In this file number area 12, the file number of the process control information 750 currently being generated or updated is displayed.
The model code area 13 is provided below the file number area 12. In the model code area 13, a product number of the article to be heated W1 is displayed.
The date / time area 14 is provided in the upper right corner of the model code setting screen 10. In this date / time area 14, the current date / time is displayed.

The data change area 15 is provided below the date / time area 14. The data change area 15 is selected when each data displayed in the file number area 12 or the model code area 13 is changed. When the data change area 15 is selected, a cursor (not shown) is displayed in the file number area 12 or the model code area 13, and the data can be changed.
The setting end area 16 is provided below the data change area 15. The setting end area 16 is selected when generating or updating the file number information 720 and the model code information 730 based on the contents displayed in the file number area 12 and the model code area 13.
The alphanumeric input area 17 is provided below the model code area 13. The alphanumeric input area 17 is selected when alphanumeric characters are set in the file number area 12 and the model code area 13.

Further, the display control means 820 displays the shaft quenching condition setting screen 30 as shown in FIG. 11 in the display area 611 under the control of the information generation / update means 830.
Here, the shaft quenching condition setting screen 30 includes a quenching condition menu screen transition area 11, a file number area 12, an execution model name area 31, a setting condition area 32, a frequency selection area 33, and a step data setting. A screen transition area 34, a data change area 35, a setting end area 36, a numeric keypad area 37, and the like are provided.

The quenching condition menu screen transition area 11 is provided in the upper left corner of the shaft quenching condition setting screen 30.
The file number area 12 is provided below the quenching condition menu screen transition area 11.
The execution model name area 31 is provided on the right side of the file number area 12. In the execution model name area 31, the product number of the article to be heated W1 displayed in the model code area 13 is displayed.

The setting condition area 32 is provided below the file number area 12. The setting condition area 32 includes a work set position area 32A, a work centering position area 32B, a saddle speed allowable value area 32C, an output voltage allowable value area 32D, and an output mask time area displayed side by side in the vertical direction. 32E, a centering confirmation upper limit value area 32F, a centering confirmation lower limit value area 32G, a manual rotation speed area 32H, a rotation speed allowable value area 32I, and a cycle time area 32J.
The original position of the saddle 517 is displayed in the work set position area 32A. The centering position of the saddle 517 is displayed in the work centering position area 32B. In the saddle speed allowable value area 32C, the allowable value of the moving speed of the saddle 517 is displayed. In the output voltage allowable value area 32D, the voltage allowable value of the power supplied to the induction heating coil 520 is displayed. In the output mask time area 32E, the rising mask time for monitoring the voltage is displayed. In the centering confirmation upper limit value area 32F and the centering confirmation lower limit value area 32G, an upper limit value and a lower limit value for monitoring the centering confirmation of the upper center are displayed, respectively. In the manual rotation speed area 32H, the rotation speed when the object to be heated W1 is manually rotated is displayed. The upper / lower limit width for monitoring the rotational speed of the lower center is displayed in the rotational speed allowable value area 32I. The cycle time is displayed in the cycle time area 32J.

The frequency selection area 33 is provided below the setting condition area 32. The frequency selection area 33 includes a low frequency selection area 33A, a medium frequency selection area 33B, and a high frequency selection area 33C displayed side by side in the left-right direction.
The low frequency selection region 33A, the medium frequency selection region 33B, and the high frequency selection region 33C are selected when the frequencies of power supplied to the induction heating coil 520 are set to a low frequency, a medium frequency, and a high frequency, respectively. .

The step data setting screen transition area 34 is provided on the right side of the execution model name area 31. The step data setting screen transition area 34 is selected when transitioning to a step data setting screen 50 as shown in FIG.
The data change area 35 is provided below the step data setting screen transition area 34. The data change area 35 is selected when each data displayed in the setting condition area 32 is changed. When the data change area 35 is selected, a cursor (not shown) is displayed in any of the areas 32A to 32J of the setting condition area 32, and the data can be changed.

The setting end area 36 is provided below the data change area 35. The setting end area 36 is selected when generating or updating the quenching condition information 740 based on the contents displayed in the setting condition area 32 and the frequency selection area 33.
The numeric keypad area 37 is provided below the setting end area 36. The numeric keypad area 37 is selected when a numerical value or the like is input to the setting condition area 32.

When the information generation / update means 830 recognizes that the step data setting screen transition area 34 has been selected, the display control means 820 displays the step data setting screen 50 as shown in FIG. Let
Here, the step data setting screen 50 includes a quenching condition menu screen transition area 11, a file number area 12, an execution model name area 31, a step processing content area 51 as content display information, and an update selection area. A specific time selection area 52, a step data setting quenching condition menu screen transition area 53, a shaft quenching condition setting screen transition area 54, a data change area 55, a setting end area 56, and an update selection area are configured. A numeric keypad area 57 serving as a selection area for content setting is provided.

The step processing content area 51 is provided below the file number area 12 and the execution model name area 31. This step processing content area 51 is displayed side by side in the left-right direction, step number area 51A, timer area 51B, relative position area 51C, relative movement speed area 51D, voltage area 51E, and rotation speed area 51F. And a cooling region 51G.
The step number area 51A, timer area 51B, relative position area 51C, relative movement speed area 51D, voltage area 51E, rotation speed area 51F, and cooling area 51G include step number information 761 and timer information 762 of the process control information 750. The contents of relative position information 763, relative movement speed information 764, voltage information 765, rotation speed information 766, and cooling information 767 are displayed.
The number of steps that can be displayed in the step processing content area 51 is set to a specific value, for example, eight. If the number of step process information 760 in the process control information 750 is nine or more, the process contents of steps 1 to 8 are displayed in the step process contents area 51, and the process contents after step 9 are other steps. It is displayed in the step processing content area 51 of the data setting screen 50. Note that the number of steps that can be displayed in the step processing content area 51 is not limited to eight, and may be fifteen or five.

The specific time selection area 52 is provided on the upper right side of the step processing content area 51, that is, on the upper side as one side edge side of the display area 611. The specific time selection area 52 includes a step number increase area 52A and a step number decrease area 52B displayed side by side in the vertical direction. The step number increasing area 52A and the step number decreasing area 52B are selected when increasing or decreasing the number of the step for changing data.
The step data setting quenching condition menu screen transition area 53 is provided on the upper right side of the specific time selection area 52. In this step data setting quenching condition menu screen transition area 53, since the number of steps to be displayed is nine or more, the processing contents of all steps cannot be displayed in the step processing contents area 51, and other step data It is selected when moving to the setting screen 50.

The shaft quenching condition setting screen transition area 54 is provided below the step data setting quenching condition menu screen transition area 53. The shaft quenching condition setting screen transition area 54 is selected when transitioning to the shaft quenching condition setting screen 30.
The data change area 55 is provided below the shaft quenching condition setting screen transition area 54. The data change area 55 is selected when each data displayed in the step process content area 51 is changed. When the data change area 55 is selected, a cursor (not shown) is displayed in each of the areas 51A to 51G corresponding to any of the steps displayed in the step processing content area 51, and the data can be changed.

The setting end area 56 is provided below the data change area 55. The setting end area 56 is selected when the process control information 750 is generated or updated based on the contents displayed in the step process content area 51.
The numeric keypad area 57 is provided below the setting end area 56, that is, on the lower side as the other side edge of the display area 611. The numeric keypad area 57 is selected when a numerical value or the like is set and input to the step processing content area 51.

The information generation / updating means 830 performs processing for generating quenching information 710 and storing it in the memory 700, and processing for updating the quenching information 710 stored in the memory 700.
Specifically, the information generation / updating unit 830 controls the display control unit 820 to display the model code setting screen 10 when the setting input for setting the processing state by the operator is recognized. Then, an area signal indicating that a predetermined area of the alphanumeric input area 17 is selected from the touch panel 620 is acquired, and the contents of the file number area 12 and the model code area 13 are updated. Further, when an area signal indicating that the setting end area 16 has been selected is acquired, file number information 720 and model code information 730 in which contents of the file number area 12 and the model code area 13 being displayed are recorded are generated.
In addition, the information generation / updating unit 830 displays the shaft quenching condition setting screen 30 and the step data setting screen 50 as appropriate, and acquires an area signal indicating that predetermined areas of the numeric keypad areas 37 and 57 are selected from the touch panel 620. Then, the contents of the setting condition area 32, the frequency selection area 33, and the step processing content area 51 are updated. Further, when the area signal indicating that the setting end areas 36 and 56 have been selected is acquired, quenching condition information 740 that records the contents of the setting condition area 32, the frequency selection area 33, and the step processing content area 51 that are being displayed, Control information 750 is generated as appropriate.
Then, the information generation / updating means 830 generates quenching information 710 having file number information 720, model code information 730, quenching condition information 740, and process control information 750, and stores it in the memory 700.
In addition, when the operator manually positions the saddle 517 at a predetermined position, the information generation / update means 830 displays the data at this position and generates the relative position information 763.

  Further, the information generation / updating means 830 performs processing similar to the processing for generating the quenching information 710 described above, and updates the quenching information 710 in which the file number in the file number area 12 is recorded in the file number information 720. Are implemented as appropriate.

The step specifying unit 840 specifies a step of processing to be performed. Specifically, the step specifying unit 840 acquires shape information from the shape measuring unit 305 and specifies the shape of the object to be heated W1 to be heated. And the quenching information 710 linked | related with the shape characteristic information corresponding to this shape is acquired.
It is to be noted that a setting input for performing induction heating processing based on quenching information 710 of a predetermined file number by the operator is recognized, and quenching information 710 in which this file number is recorded in file number information 720 is acquired. It is good also as a structure.

Then, the step specifying means 840 uses step processing information 760 corresponding to the processing of step n (n is an integer) out of the step processing information 760 of the processing control information 750 of the acquired quenching information 710 as execution processing content information. The execution step processing information 760 is specified.
Further, when step identifying means 840 recognizes that timer value Tn is 0 based on timer information 762 of execution step processing information 760, it outputs a count end signal to relative movement control means 851. On the other hand, when it is recognized that the timer value Tn is greater than 0, the timer value Tn starts to be counted. Then, the counting signal is output to the power supply control means 853. When the timer value Tn is up, that is, when it is recognized that the period of the timer information 762 has elapsed, a count end signal is output to the process control means 850.
Further, when acquiring the movement end signal from the process control unit 850, the step specifying unit 840 specifies the step processing information 760 of step (n + 1) as new execution step processing information 760. Then, when it is recognized that the process of step (n + 1) is not the final step, the timer value Tn is appropriately counted. On the other hand, when it is recognized that it is the final step, a final step signal is output to the processing control means 850.

  The process control unit 850 appropriately controls the heated object holding device 300 and the induction heating processing unit 500 to perform the induction heating process. Then, as shown in FIG. 6, the processing control means 850 includes a relative movement control means 851, an arm lifting control means 852 as a contact member movement control means that also functions as a heating position determination means, and a power supply control means 853. A cooling control means 854, a rotation control means 855, and the like.

The relative movement control means 851 moves the saddle 517, that is, the induction heating coil 520 and the cooling means 530 relative to the object to be heated W1, for example. Specifically, the relative movement control means 851 acquires the count end signal from the step specifying means 840 during the execution of the process of step n, and obtains the position Pn of the relative position information 763 of step n and the step (n− When it is recognized that the position P (n−1) of the relative position information 763 of 1) is equal, a movement end signal is output to the step specifying means 840.
If it is determined that they are not equal, the relative movement motor 518 is controlled to move the saddle 517 to the position Pn at the speed Vn of the relative movement speed information 764 of step n.
Further, when the relative movement control unit 851 determines that the position Pn has been reached, the relative movement control unit 851 outputs a movement end signal to the step specifying unit 840. If it is determined that the position Pn has not been reached, a moving signal is output to the power supply control means 853.

The arm raising / lowering control means 852 moves the arm part 392 up and down, and the position where the gap E1 is formed between the contact roller 400 and the article to be heated W1, or the position where the induction heating coil 520 and the cooling means 530 are not contacted. Move to. Specifically, the arm lifting control means 852 recognizes the current position of the saddle 517 based on the positions Pn and P (n−1) of the relative position information 763 and the speed Vn of the relative movement speed information 764. Then, for example, as shown in FIG. 1, when it is recognized that the saddle 517 is located in the vicinity of the central side support means 370, the second air pressure adjusting portion 384B of the side support means 370 is controlled to 392 is lowered to the lowest position, and contact between the contact roller 400 and the induction heating coil 520 is avoided.
Further, as shown in FIG. 1, when it is recognized that the saddle 517 is not positioned in the vicinity of the side support means 370 on the one end side holding portion 320 side and the other end side holding portion 330 side, the first and third air By controlling the pressure adjusting portions 384A and 384C, the arm portion 392 is raised to the highest position, and the first and second stoppers 451 and 452 are brought into contact with each other. At this time, as described above, the arm portion 392 is positioned by the contact of the first and second stoppers 451 and 452, and the gap E1 is formed between the contact roller 400 and the article to be heated W1.

  The power supply control means 853 performs control to supply power to the induction heating coil 520 and induction-heats the article to be heated W1. Specifically, the power supply control unit 853 acquires a movement signal from the relative movement control unit 851 during the execution of the process of step n, and recognizes that the voltage On of the voltage information 765 of step n is 0. Then, the power supply unit 540 is controlled to perform control not to supply power to the induction heating coil 520, that is, control to turn off heating. Further, when recognizing that the voltage On is greater than 0, control is performed to supply the power of the voltage On to the induction heating coil 520, that is, control to turn on the heating. Further, when the final step signal is acquired from the step specifying means 840, the heating is turned off. When heating is turned on or off, a heating control end signal is output to the cooling control means 854.

  The cooling control means 854 controls the discharge of water M by the cooling means 530 to cool the article to be heated W1. Specifically, the cooling control unit 854 acquires a heating control end signal from the power supply control unit 853 during the execution of the process of step n, and the cooling state value Qn of the cooling information 767 of step n is 0. If it recognizes, the cooling water supply part 550 is controlled and control which does not supply the water M to the cooling means 530, ie, control which turns off cooling, is implemented. When the cooling state value Qn is recognized to be greater than 0, control is performed to supply the water M to the cooling means 530, that is, control to turn on the cooling. When cooling is turned on or off, a cooling control end signal is output to the rotation control means 855.

  The rotation control means 855 rotates the article to be heated W1. Specifically, the rotation control means 855 acquires a cooling control end signal from the cooling control means 854 during the execution of the process of step n, and the rotation speed Rn of the rotation speed information 766 of step n is 0. Upon recognition, the rotation motor 322 is controlled so that the object to be heated W1 is not rotated, that is, the rotation is turned off. Further, when it is recognized that the rotational speed Rn is greater than 0, the control is performed to rotate the article to be heated W1 at the rotational speed Rn, that is, control to turn on the rotation.

  When the process control means 850 appropriately acquires distance information from the sensor provided in the saddle 517 and recognizes that the distance between the induction heating coil 520 and the object to be heated W1 is less than the predetermined distance, the process control means 850 performs induction. Control to temporarily stop the heat treatment. Note that the predetermined distance as a reference to be temporarily stopped may be configured so that the operator can set and input it, or may be a distance unique to the induction heating apparatus 100.

[Effects of induction heating device]
As described above, in the above embodiment, the side support means 370 that can support the central side surface of the article to be heated W1 held at both axial ends is abutted when supporting the side face of the article to be heated W1. The abutting roller 400, an air cylinder 380 for raising and lowering the abutting roller holding means 390 for holding the abutting roller 400, and controlling the air cylinder 380 to place the abutting roller 400 between the object to be heated W1. Positioning means 410 for positioning at a position where the gap E1 is formed.
For this reason, by providing the contact roller 400 at a position that is positively separated from the object to be heated W1, compared to a configuration in which the contact roller 400 is positively brought into contact with the object to be heated W1 as in the prior art. Thus, the amount of deformation in the direction intersecting the axial direction due to the heating of the article to be heated W1 can be reduced. Furthermore, by positioning the contact roller 400 at a position where a gap E1 is formed between the contact roller 400 and the side surface of the article to be heated W1, heating causes the article to be heated W1 to intersect the axis in a direction that intersects the axis F1 or more. Even in a state of deformation, the article to be heated W1 comes into contact with the contact roller 400, and the amount of deformation can be minimized. Further, the contact roller 400 can be provided at a position where appropriate gaps E1 and E2 are formed between the heated objects W1 and W2, regardless of the sizes of the heated objects W1 and W2.
Accordingly, it is possible to appropriately assist the holding of the article to be heated W1.

Further, the contact roller 400 is provided at a plurality of locations along the axial direction of the article to be heated W1.
For this reason, compared with the structure which provides the contact roller 400 in one place along the axial direction of the article to be heated W1, it is possible to minimize the amount of deformation in more places along the axial direction of the article to be heated W1. It is possible to more appropriately assist the holding of the object to be heated W1.

Further, the positioning means 410 is in contact with the hydraulic cylinder 420, the first stopper 451 provided on the distal end side of the rod 423 of the hydraulic cylinder 420, and the contact roller holding means 390 provided in contact with the first stopper 451. And a second stopper 452 for restricting the movement of the contact roller holding means 390.
For this reason, the movement of the contact roller holding means 390 can be regulated with a simple configuration in which the first stopper 451 and the second stopper 452 are contacted. Further, the contact roller 400 and the object to be heated are simply configured to move the rod 423 of the hydraulic cylinder 420 and change the position of the first stopper 451 corresponding to the diameters of the objects to be heated W1 and W2. The contact roller holding means 390 can be positioned at a position where gaps E1 and E2 are formed between W1 and W2. Furthermore, since the rod 423 is moved by the fluid pressure, the first stopper 451 can be moved continuously, and the position of the contact roller 400 can be finely adjusted.

A hydraulic cylinder 420 is applied as the fluid pressure cylinder of the present invention.
For this reason, the position of the contact roller 400 can be set more precisely by the lubricating action of oil. Therefore, the position of the contact roller 400 can be set more appropriately.

Further, the dimensions F1 and F2 of the gaps E1 and E2 formed between the contact roller 400 and the side surfaces of the heated objects W1 and W2 are set to 0.1 mm or more and 1.0 mm or less.
For this reason, the deformation amount of the to-be-heated material W1, W2 can be suppressed to the minimum, and the to-be-heated material W1, W2 heated appropriately can be obtained.

In addition, the heated object holding auxiliary device 350 assists the holding of the heated objects W1 and W2 held by the end holding means 310 at both ends in the axial direction.
For this reason, to-be-heated material W1, W2 can be hold | maintained appropriately in the state which has the effect mentioned above.

Then, the objects to be heated W1 and W2 held by the object to be heated holding device 300 are heated by the induction heat treatment means 500.
For this reason, the induction heating apparatus 100 which can heat the to-be-heated material W1, W2 appropriately by heating the to-be-heated material W1, W2 appropriately hold | maintained can be provided.

Further, the heated object holding device 300 is disposed in the housing 200. When the object to be heated W1 is heated by the induction heating coil 520, the induction heating coil 520 and the housing 200 are relatively moved, and when it is determined that the induction heating coil 520 is located in the vicinity of the contact roller 400, the contact roller 400 is moved to a position where it does not contact the induction heating coil 520. On the other hand, when it is determined that the induction heating coil 520 is not positioned in the vicinity of the contact roller 400, the contact roller 400 is moved to a position where a gap E1 is formed with the object to be heated W1.
For this reason, since the induction heating coil 520 is relatively moved in the axial direction of the article to be heated W1 and heated, even if the induction heating coil 520 has a substantially ring-shaped axial dimension smaller than that of the article to be heated W1, The entire object W1 can be heated. Moreover, the to-be-heated material W1 can be heated appropriately according to a use by changing a heating state with the relative position of the induction heating coil 520. FIG. Furthermore, with the relative movement of the induction heating coil 520, the position of the contact roller 400 is changed to a position where it does not contact the induction heating coil 520 or a position where a gap E1 is formed between the object to be heated W1. The holding of the object to be heated W1 can be appropriately assisted while suppressing the breakage of the contact roller 400.
Therefore, it is possible to provide the induction heating device 100 that can realize downsizing of the induction heating coil 520, appropriate heating of the object to be heated W1, and assisting appropriate holding of the object to be heated W1.

And the induction heating coil 520 which implements an induction heating process with the supplied electric power is applied as the heat treatment means of the present invention.
For this reason, it is possible to provide the induction heating apparatus 100 that can appropriately induction-heat the article to be heated W1 in a state where the above-described effects are exhibited.

The memory 700 stores relative position information 763 and relative movement speed information 764. For example, the relative position of the relative position information 763 in step (n-1) is recognized as the relative position before the relative movement, and the relative position of the relative position information 763 in step n is recognized as the relative position after the relative movement. Then, the object to be heated W1 and the induction heating coil 520 are relatively moved from the relative position before the relative movement to the relative position after the relative movement at the relative movement speed of the relative movement speed information 764. Further, based on the relative position information 763 and relative movement speed information 764 of step (n−1) and step n, it is determined whether or not the induction heating coil 520 is positioned in the vicinity of the contact roller 400.
Therefore, it is possible to determine whether or not the induction heating coil 520 is positioned in the vicinity of the contact roller 400 without providing a configuration for detecting the relative position between the article to be heated W1 and the induction heating coil 520. Simplification can be achieved.

[Other Embodiments]
Note that the present invention is not limited to the above embodiment, and various improvements and design changes can be made without departing from the scope of the present invention.

That is, the contact roller 400 may be provided at only one location along the axial direction of the article to be heated W1.
With such a configuration, the configuration can be simplified.

Further, the abutment roller 400 is not regulated by the abutment of the first and second stoppers 451 and 452, but the elevation of the abutment roller holding means 390 is regulated by the air pressure of the air cylinder 380, and the contact roller 400 is heated. It is good also as a structure positioned in the position where the clearance gap E1 is formed between W1.
With such a configuration, it is not necessary to provide the first and second stoppers 451 and 452, and the number of parts can be reduced.

In addition, the hydraulic cylinder 420, the measurement unit holding member 430, the holding member guide unit 440, the first stopper 451, and the measurement unit 460 are provided on the arm arrangement base 391, and the second stopper 452 is provided on the positioning means arrangement base 363. It is good.
Even with this configuration, the position of the contact roller 400 can be finely adjusted.
However, with such a configuration, the hydraulic cylinder 420 and the measurement unit 460 that are heavier than the second stopper 452 are arranged in the contact roller holding means 390, so that the contact roller holding means 390 is compared with the above embodiment. The load on the air cylinder 380 at the time of raising and lowering becomes large. For this reason, the structure of the said embodiment is preferable.

Furthermore, instead of the hydraulic cylinder 420, the measurement unit holding member 430, the holding member guide unit 440, and the measurement unit 460, a plate-like stopper holding plate is provided, the upper surface of which faces the lower surface of the positioning means mounting base 363, And it is provided to be movable in the surface direction. Further, for example, three first stoppers are provided on the lower surface of the stopper holding plate in a state where the downward projecting lengths are different. Then, the stopper holding plate is moved in accordance with the diameter of the article to be heated W1, and any one of the three first stoppers is provided at a position where the second stopper 452 can be in contact. It is good also as a structure which regulates raising / lowering of the contact roller holding means 390 in the state which forms the clearance gap E1 between the roller 400 and the to-be-heated material W1.
Even in such a configuration, the contact roller is located at a position where gaps E1 and E2 are formed between the contact roller 400 and the heated objects W1 and W2, corresponding to the diameters of the heated objects W1 and W2. The holding means 390 can be positioned.

In place of the hydraulic cylinder 420, a fluid pressure cylinder that moves the rod by air pressure or water pressure may be applied.
Further, even if the dimensions F1 and F2 of the gaps E1 and E2 formed between the contact roller 400 and the side surfaces of the heated objects W1 and W2 are set to a value less than 0.1 mm or more than 1.0 mm. Good.

The heated object holding device 300 and the heated object holding auxiliary device 350 are applied to a configuration in which the induction heating coil 520 and the heated object W1 do not move relative to each other, and the heated object holding auxiliary device 350 is used as the contact roller 400. It is good also as a structure provided in the state located in the induction heating coil 520 vicinity.
With such a configuration, it is not necessary to provide a function of changing the position of the contact roller 400 according to the position of the induction heating coil 520, and the configuration can be simplified.

  And as a structure which detects the relative position of to-be-heated material W1 and the induction heating coil 520, for example, a sensor is provided, and the induction heating coil 520 is positioned in the vicinity of the contact roller 400 based on the detection result of this sensor. It is good also as a structure which judges these.

  Furthermore, the heated object holding auxiliary device or heated object holding device of the present invention may be applied to a heat treatment apparatus using a heating element such as a heater as a heat treatment means for heating the heated object W1.

  Moreover, although the structure which moves the induction heating coil 520 with respect to the to-be-heated object W1 was illustrated, the structure to which the to-be-heated object W1 is moved with respect to the induction heating coil 520, both the to-be-heated object W1 and the induction heating coil 520 It is good also as a structure which moves.

  The present invention relates to a heated object holding assist device, a heated object holding device, and a heat treatment for assisting the holding of the heated object by the end holding means for holding the axially opposite ends of the heated object formed in a substantially rod shape. It can utilize for an apparatus and the to-be-heated object holding | maintenance auxiliary | assistant method.

It is a mimetic diagram showing a schematic structure of an induction heating device concerning one embodiment of the present invention. It is a schematic diagram which shows schematic structure of the side surface support means in the said one Embodiment. It is a schematic diagram which shows schematic structure of the principal part of the side surface support means in the said one Embodiment. It is a schematic diagram which shows schematic structure of the quenching information in the said one Embodiment. It is a schematic diagram which shows schematic structure of the process control information in the said one Embodiment. It is a block diagram which shows schematic structure of the principal part of the induction heating apparatus in the said one Embodiment. It is a schematic diagram which shows the state in which the clearance gap was formed between the to-be-heated material and the contact roller in the said one Embodiment. It is a schematic diagram which shows schematic structure of the principal part of the side surface support means in the said one Embodiment. It is a schematic diagram which shows the state in which the clearance gap was formed between the to-be-heated material and the contact roller in the said one Embodiment. It is a schematic diagram which shows schematic structure of the model code setting screen in the said one Embodiment. It is a schematic diagram which shows the shaft quenching condition setting screen schematic structure in the said one Embodiment. It is a schematic diagram which shows the step data setting screen schematic structure in the said one Embodiment.

Explanation of symbols

100 ... air cylinder 390 ... contact as induction heater 200 ... housing 300 ... object to be heated holding device 310 ... end holding means 350 ... object to be heated holding auxiliary device 380 ... contact member moving means as heat treatment apparatus Roller holding means 400 ... contact roller 410 constituting contact member ... positioning means 420 ... hydraulic cylinder 421 as a fluid pressure cylinder ... hydraulic cylinder tube 423 ... rod 451 ... first stopper 452 ... second stopper 500 ... heating means Induction heating processing means 510 ... Relative moving means 520 ... Induction heating coil 700 as heating processing means ... Memory 763 as storage means ... Relative position information 764 ... Relative movement speed information 852 ... This also functions as heating position determination means Arm lifting control means W1, W2 as contact member movement control means ...

Claims (11)

A heated object holding auxiliary device for assisting the holding of the heated object by end holding means for holding the axially opposite ends of the heated object formed in a substantially rod shape,
An abutting member that abuts on the side surface when supporting the side surface on the center side rather than the axially opposite ends of the heated object held by the end holding means;
A contact member moving means for moving the contact member in a direction of contacting or separating from the side surface of the object to be heated;
Positioning means for controlling movement of the abutting member by the abutting member moving means to position the abutting member at a position where a gap is formed between the side surface of the object to be heated;
A device for assisting holding an object to be heated. The heated object holding auxiliary device according to claim 1,
The heated object holding auxiliary device, wherein the contact member is provided at a plurality of locations along the axial direction of the heated object held by the end holding means. A heated object holding auxiliary device according to claim 1 or 2,
The abutting member is held by an abutting member holding means that is movable in a direction in which the abutting member moving means is in contact with or separated from the side surface of the object to be heated,
The positioning means includes
A cylinder tube fixed at a position away from the object to be heated, and a fluid pressure cylinder having a rod capable of moving forward and backward in a direction substantially parallel to the moving direction of the contact member by the pressure of the fluid;
A first stopper provided on the tip side exposed from the cylinder tube of the rod;
A second stopper provided in the abutting member holding means , which abuts on the first stopper when the abutting member moves in a direction approaching the object to be heated and restricts the movement in the approaching direction; The to-be-heated object holding | maintenance auxiliary | assistance apparatus characterized by having provided. The heated object holding auxiliary device according to claim 3,
The heated object holding auxiliary device, wherein the fluid pressure cylinder is a hydraulic cylinder that moves oil forward and backward using oil as the fluid. A heated object holding auxiliary device according to any one of claims 1 to 4,
The size of the gap formed between the contact member and the side surface is 0.1 mm or more and 1.0 mm or less. End holding means for holding both axial ends of the object to be heated formed in a substantially rod shape;
The object-to-be-heated holding auxiliary device according to any one of claims 1 to 5, which assists the holding of the object to be heated by the end holding means,
An apparatus for holding an object to be heated. The heated object holding device according to claim 6, wherein the heated object formed in a substantially rod shape is held;
Heating means for heating the heated object held by the heated object holding device;
A heat treatment apparatus comprising: It is a heat processing apparatus of Claim 7, Comprising:
The heated object holding device is disposed in a housing ,
The heating means includes
A heat treatment means for heating the object to be heated, which is formed in a substantially ring shape substantially covering the side surface of the object to be heated;
A relative movement means for relatively moving the heat treatment means and the casing in the axial direction of the object to be heated held by the end holding means,
Heating position determination means for determining whether or not the heat treatment means relatively moved by the relative movement means is positioned in the vicinity of the contact member;
When it is determined by the heating position determination means that the heat treatment means is located in the vicinity of the contact member, the contact member moving means is controlled to move the contact member to a position not in contact with the heat treatment means, When it is determined that the heat treatment means is not located in the vicinity of the contact member, the contact member moving means is controlled to move the contact member to a position where the gap is formed between the side surfaces. Contact member movement control means;
A heat treatment apparatus comprising: It is a heat processing apparatus of Claim 8, Comprising:
The heat treatment device is characterized in that the heat treatment means is an induction heating coil that performs induction heat treatment with supplied power as heat treatment of the object to be heated. It is a heat processing apparatus of Claim 9, Comprising:
Storage for storing relative position information regarding relative positions of the object to be heated and the induction heating coil before and after relative movement, and relative movement speed information regarding a relative movement speed when the object to be heated and the induction heating coil are relatively moved. Comprising means,
The relative movement means, said by relative movement at a relative moving speed of the said relative movement speed information object to be heated and the induction heating coil to the relative position after the relative movement from the relative position before the relative movement of the relative position information ,
Whether the induction heating coil is positioned in the vicinity of the contact member based on the relative position before and after the relative movement of the relative position information and the relative movement speed of the relative movement speed information. A heat treatment apparatus characterized by determining whether or not. A heated object holding assist method for assisting the holding of the heated object by the end holding means for holding the axially opposite ends of the heated object formed in a substantially rod shape,
An abutting member that abuts on the side surface when supporting the side surface on the center side rather than the axially opposite ends of the heated object held by the end holding means;
Using a contact member moving means for moving the contact member in a direction of contacting or separating from the side surface of the object to be heated;
Controlling the movement of the contact member by the contact member moving means, and positioning the contact member at a position where a gap is formed between the side surface of the object to be heated. Retention assist method.

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