JP3201464B2 - Universal cutting machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for cutting a material to be processed such as a quartz glass plate, for example, into a circular cutting process such as a disk cutting process.
The present invention relates to a universal cutting machine capable of freely performing various types of processing such as square cutting, spot facing, and rounding.

[0002]

2. Related Art Conventionally, in order to cut a circular plate from a hard plate material such as quartz glass, if the thickness of the plate material is 10 mm or less, cutting with a carbon dioxide laser processing machine is generally performed. It was not possible to cope with a thickness exceeding 10 mm. In this case, cutting by water jet (ultra-high pressure water) is conceivable, but a large amount of abrasive is used, which increases the cost including post-processing, and the machine itself becomes expensive. There's a problem.

In the processing by a general cutting machine using a conventional diamond cutter, a square plate is gradually cut into octagons and hexagons, and then a cylindrical grinding machine or an MC (machining center) machine is used. In this case, the process is lengthened, and the grinding amount is large, and it takes time and is not efficient. A fundamental problem has been caused by the fact that a general cutting machine using a diamond cutter can usually only cut straight. Therefore, there is a long-awaited demand for an apparatus that can easily cut a disk from a quartz glass material or the like and that can easily perform various processing.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and can easily cut out a disk having a desired size. It is possible to cut out a circular plate from a plate material, and further cut out a ring-shaped member, and to easily perform various processings such as a round boring (counterbore) processing and a rounding processing. It is an object of the present invention to provide a flexible cutting machine.

[0005]

In order to solve the above-mentioned problems, a first aspect of the universal cutting machine according to the present invention comprises a processing table on which a material to be processed is placed, and a cutting table positioned above the processing table. , A rotating shaft mounted to be able to move up and down and rotate freely
And a weight attached to the rotating shaft, and a lower end of the rotating shaft
A cutter wheel attached to the portion and rotatably provided on and off the processing table, a cutter holder attached to a peripheral portion of the cutter wheel, and a cutter attached to the cutter holder. And the cutter wheel falls by its own weight due to gravity,
When the cutter is free to move up and down,
The cutting operation is performed while contacting the material surface .

The cutter wheel is lowered by its own weight due to gravity, and the cutting operation is performed while the tip of the cutter wheel is vertically movable and connected to the surface of the material to be processed.
Therefore , even if there is unevenness on the surface of the material to be processed, the cutter moves up and down following the unevenness, that is, if there is a convex portion, the cutter moves upward according to the convex shape (escape). T) A cutting operation is performed. Therefore, the inconvenience such as cracking or destruction of the work material that occurs when cutting the protrusions on the surface of the work material forcibly without moving the cutter upward (escape operation) can be achieved by making the cutter vertically movable. In the configuration of the present invention in which the cutting operation is performed by applying pressure to the cutter by gravity, there is an advantage that the cutting operation does not occur at all.

In a second aspect of the universal cutting machine of the present invention, there is provided a base, a processing table provided at a central portion of an upper surface of the base and on which a material to be processed is placed, and a periphery of the base. A support provided on a side of the support, a support block provided on a side of the support, a rotation shaft mounted on the support block so as to be vertically movable and rotatable, and a weight mounted on the rotation shaft.
If, possess the cutter wheel attached to the lower end portion of the rotary shaft, a cutter holder mounted on the periphery of said cutter wheel, a cutter attached to the cutter holder, the cutter wheel by gravity
And the cutter descends under its own weight, and the cutter moves vertically.
The cutting operation is performed while the tip is in contact with the surface of the material to be processed .

If the cutter holder is configured to be movable in the radial direction of the cutter wheel, the cutting position of the cutter can be freely moved in accordance with the size of the disk to be cut out. Can be easily cut out.

If the cutter wheel is lowered and the cutting operation is performed while the tip of the cutter contacts the surface of the material to be processed, there is an advantage that the operation of cutting the material to be processed is performed smoothly.

When the cutter is cut until the cutter reaches the lower surface of the material to be processed, an extra cutting operation is performed by providing a stopper means that operates so as to stop the lowering of the cutter wheel. There is no.

If a work handle for moving the cutter wheel up and down and a lock means for fixing the cutter wheel are provided, an operator may perform a cutting operation such as moving the cutter wheel up and down and stopping. There is an advantage that the auxiliary work becomes easy.

One or more cutter holders can be installed, and one or more cutters can be detachably attached to each cutter holder.
When a plurality of cutter holders are provided, they are arranged so as to be equidistant from each other.

[0013] The number of the cutter holders is most preferably three, and the three cutter holders are mounted on the periphery of the cutter wheel at an equal distance from each other.

It should be noted that the first and second universal cutting machines of the present invention
In the embodiment, the work of cutting the end face of the material to be processed, so-called rounding, or the like can be performed. In this case, it is necessary to position the cutter corresponding to the end face of the material to be processed, and it is not possible to adopt a configuration in which the cutter descends by its own weight.

If the cutter wheel is movable in the horizontal direction in addition to the vertical movement with respect to the processing table, the cutter can be moved in the XYZ directions with respect to the material to be processed. After cutting the first disk from the processing material, the second, third, and more disks can be cut freely by moving the cutter position.

According to a third aspect of the universal cutting machine of the present invention, there is provided a worktable on which a work material can be placed and which can be rotated, and which is located above the worktable and which is in XYZ directions with respect to the worktable. And a rotating shaft provided rotatably, and a weight attached to the rotating shaft,
Possess a cutter mounted removably to the lower end of the rotary shaft, the rotating shaft is self-weight drop by gravity, the mosquito
The tip is on the surface of the material to be processed while the
It is characterized in that the cutting operation is performed while making contact .

According to a fourth aspect of the universal cutting machine of the present invention, there is provided a worktable on which a work material can be placed and which can be rotated, and which is located above the worktable and which is in XYZ directions with respect to the worktable. And a rotating shaft provided rotatably, and a weight attached to the rotating shaft,
A cutter wheel attached to the lower end portion of the rotary shaft, a cutter holder mounted on the periphery of the cutter wheel, possess a cutter attached to the cutter holder, the self-weight drop the rotary shaft due to gravity
When the cutter is free to move up and down,
The cutting operation is performed while contacting the surface of the work material .

A fifth aspect of the universal cutting machine according to the present invention comprises a base, a processing table on which a material to be processed can be placed and rotatably provided on the base, and guide portions at both ends. A guide bar member provided on the base and above the processing table so as to be movable in a direction orthogonal to the longitudinal direction thereof, and a movable member in the longitudinal direction of the guide bar member. A movable block attached to the movable block, a rotating shaft rotatably and rotatably provided on the moving block, a weight attached to the rotating shaft, and a detachably attached to a lower end of the rotating shaft. possess a cutter, the
The rotating shaft falls by its own weight due to gravity, and the cutter moves up and down.
In a free state, the tip is cut while contacting the surface of the workpiece
The cutting operation is performed .

A sixth aspect of the universal cutting machine according to the present invention comprises a base, a processing table on which a material to be processed can be placed and which is rotatably provided on the base, and guide portions at both ends. A guide bar member provided on the base and above the processing table so as to be movable in a direction orthogonal to the longitudinal direction thereof, and a movable member in the longitudinal direction of the guide bar member. A moving block attached to the moving block, a rotating shaft provided to be vertically movable and rotatable on the moving block, a weight attached to the rotating shaft , and a cutter wheel attached to a lower end of the rotating shaft. a cutter holder which is attached to the periphery of said cutter wheel, a cutter attached to the cutter holder possess, the rotary shaft is self-weight drop by gravity, the cutter
-The tip of the material contacts the surface of the workpiece while the
It is characterized in that a cutting operation is performed while cutting .

[0020] The in third to sixth aspect described above, are configured to self-weight drop by gravity the rotating shaft
Thus, as in the first and second embodiments, there is an advantage that the cutting operation is performed while the tip of the cutter is vertically movable while the tip of the cutter is in contact with the surface of the workpiece.

In the above-described fourth and sixth embodiments,
If the cutter holder is freely movable in the radial direction of the cutter wheel, the cutting position of the cutter can be freely moved according to the size of the disk to be cut, and disks of various sizes can be easily cut out. .

[0022] Also in the third to sixth aspect of the universal cutting machine of the present invention, the task of cutting the end face of the work piece, it is possible to perform a so-called rounding machining. In this case, the first
As in the second case, it is necessary to position the cutter corresponding to the end face of the workpiece.

If the processing table is rotatable, the cutting speed is doubled by setting the direction of rotation of the processing table opposite to the direction of rotation of the cutter, and there is an advantage that the cutting time is shortened. .

In the above description, the configuration in which the processing table is fixed and the cutter wheel or the rotation axis is moved has been described. However, the processing table can be moved with the cutter wheel or the rotation axis fixed. Alternatively, the cutting operation can be performed by moving both the cutter wheel or the rotating shaft and the processing table.

The universal cutting method of the present invention is a method for cutting a material to be processed using the above-mentioned universal cutting machine. The step of mounting and fixing the material to be processed on the processing table, and the method of using the above-mentioned universal cutting machine. Cutting or processing the material to be processed.

In the above-mentioned cutting method, the cutting process includes cutting out a disk-shaped or ring-shaped member of a material to be processed, and the cutting process includes medium boring and rounding.

[0027]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a side view showing an embodiment of the universal cutting machine according to the present invention, FIG. 2 is a front view of the same, FIG.
FIG. 4 is an enlarged bottom view showing the cutter holder, and FIG. 5 is a horizontal sectional view showing the rotary block.

Referring to FIG. 1, a universal cutting machine 1 according to the present invention.
2 has a base 14. At the center of the upper surface of the base 14, a processing table support 17 on which the processing table 16 is mounted and fixed is provided. A material to be processed such as a quartz glass plate is placed on the upper surface of the processing table 16 via a floor plate 15 formed of a quartz glass plate or the like, and is fixed using an adhesive such as wax that is melted by heating. 15a
Is an attachment member for fixing the floor plate 15 to the upper surface of the processing table 16. A column 18 is erected on the periphery of the base 14.

Reference numeral 20 denotes a support block, and the processing table 1
6 and is mounted so as to extend to the side of the column. At the center of the support block 20, a through-hole 22 that opens vertically is formed.
, A rotating shaft 24 is inserted so as to be vertically movable and rotatable. Reference numeral 25 denotes a rotary block provided above the support block 20, and a through hole 22a through which the rotary shaft 24 is inserted is formed in the center of the rotary block 25.
A guide groove 25a is formed in the vertical direction on the surface of the through hole 22a of the rotary block 25. 24a is the rotating shaft 2
4 is a ridge protruding in the vertical direction at a portion abutting on the rotating block 25, and is slidably inserted into the guide groove 25a. A pulley 26 is attached to the outer surface of the rotating block 25.

Reference numeral 28 denotes a motor mounted on the upper portion of the support column 18. A pulley 32 is attached to a motor shaft 30 of the motor 28. Pulleys 34 and 36 that rotate coaxially are installed on the upper end surface of the support column 18. A pulley belt 38 is wound around the pulleys 32 and 34.

A pulley belt 40 is wound around the pulleys 26 and 36. Therefore, the motor 28
Rotation of the motor shaft 30, pulley 32, pulley 3
4. Pulley 36, pulley 26 and rotating block 25
Is transmitted to the rotating shaft 24 through the shaft, and the rotating shaft 24 is rotated. 41 is the pulley 26, 32,
It is a cover member for covering the drive part from the pulley belts 34, 36 and the pulley belts 38, 40.

Reference numeral 42 denotes a weight attached to the upper portion of the rotating shaft 24. A disk-shaped cutter wheel 44 is attached to the lower end of the rotating shaft 24. A cutter holder 46 is attached to the periphery of the cutter wheel 44 so as to be movable in the radial direction of the cutter wheel 44.

A plurality of screw holes (not shown) are formed in the lower surface of the cutter wheel 44 in a radial direction corresponding to the screw holes 48 of the cutter holder 46. By appropriately moving the cutter holder 46 in the radial direction of the cutter wheel 44 and inserting a bolt or the like into the screw hole and fixing the cutter holder 46 to the lower surface of the cutter wheel 44, the mounting position of the cutter holder 46 and the cutter 58 Can be set freely.

As shown in FIG. 4, the cutter holder 46 has a screw hole 48 attached to the cutter wheel 44.
And a cutter holder body 50 having A pressing plate 52 is attached to one side surface of the cutter holder main body 50 by bolts 54, 54 so as to be able to freely contact and separate from the one side surface.

A clamping gap 56 is formed by one side surface of the cutter holder main body 50 and the pressing plate 52. The cutter 58 is firmly held in the holding gap 56 by inserting the cutter 58 into the holding gap 56 and pressing and moving the pressing plate 52 toward the cutter holder main body 50. The cutter 58 is constituted by a diamond blade. One or more, preferably three cutter holder bodies 50 are provided. In the case of a plurality, it is preferable to set them so as to be located at the same distance from each other. One cutter gap 56 is formed in each cutter holder main body 50, and the case where one cutter 58 is inserted into the clamp gap 56 is shown in the figure. 58 can also be configured.

In FIG. 2, reference numeral 60 denotes a work handle attached to the column 18, and the work handle 60 is
By moving up and down 0, the rotating shaft 24 can be moved up and down. Reference numeral 62 denotes a locking means.
By turning on / off 2, the vertical movement of the rotating shaft 24 can be locked or released.

Reference numeral 64 denotes a stopper, and a plurality (three in the illustrated example) of stopper rods 64a, 64 having different heights.
b, 64c, and is attached to the lower part of the support block 20. Reference numeral 65 denotes an operating rod, which is located above the stopper rods 64a to 64c and is mounted so as to move up and down in conjunction with the up and down movement of the rotating shaft 24, and the lower end of the operating rod 65 is provided with the stopper rods 64a to 64c. The lowering of the operating rod 65 is stopped by colliding with any one of the shafts 64c, so that the rotating shaft 24 and the cutter wheel 44 act to stop.

The stopper 64 stops the lowering of the cutter wheel 44 when the cutter 58 cuts to the lower surface of the workpiece W such as a quartz glass plate placed on the processing table 16. No further cutting work is performed.

If the workpiece W is fixed to the processing table 16 via the base plate 15 such as a quartz glass plate, the stopping of the cutter wheel 44 is slightly delayed.
Even when the cutting by the cutter 58 is performed over the lower surface of the workpiece W, only the upper surface of the floor plate 15 is cut and does not reach the processing table 16 surface.
There is an advantage that both the cutter 58 and the processing table 16 are not damaged.

Since it is necessary to adjust the stop position of the cutter wheel 44 according to the thickness of the workpiece W, the stopper 64 must be adjusted according to the type of the workpiece W to be cut as described above. , A plurality of stopper rods 64a to 64c having different heights are provided.

The operation of the above configuration will be described below. First, a workpiece W such as a quartz glass plate is bonded to the floor plate 15 using an adhesive such as wax that is melted by heating. The wax melts in the heated state and the work material W
Can be removed from the bottom plate 15, and can be hardened in a non-heated state to adhere and fix the workpiece W on the bottom plate 15.

The floor plate 15 to which the workpiece W is bonded is placed on a processing table 16 which is detachably attached to a processing table holding table 17. Next, the stopper 64 is adjusted according to the thickness of the workpiece W, that is, the cutting distance by the cutter 58.

The rotating shaft 24 and the cutter wheel 44 are lowered by the work handle 60. Further, the cutter holder 46 is moved in the radial direction of the cutter wheel 44, and its position is adjusted according to the shape of the disk to be cut. Thereafter, the working table 16 is fixed to the working table support 17.

Next, the rotating shaft 2 is moved by the work handle 60.
4 and the cutter wheel 44 are raised, and the locking means 6
After being locked by 2, the cutting fluid supply switch (not shown) and the rotation start switch of the cutter wheel 44 are activated.

After the locking means 62 is locked, the cutter wheel 44 is lowered by the work handle 60, and a cutting operation, in the illustrated example, a disk cutting operation is performed. At this time, the rotating shaft 24, the cutter wheel 44, the cutter holder 4
The cutter structure composed of the cutter 6 and the cutter 58 descends by its own weight according to the gravity thereof, and the cutting operation is performed while the tip of the cutter 58 is vertically movable while being in contact with the surface of the workpiece W.

In this case, the cutting operation is performed by applying pressure to the cutter only by its own weight according to gravity. Therefore, even if the surface of the workpiece W has an uneven shape, the tip of the cutter 58 follows the surface shape and moves. Since the cutter moves upward (runs away) in accordance with the shape and the cutting operation is performed, and no extra force is applied to the workpiece W, there is no inconvenience that the workpiece W is cracked or broken. Becomes

When the lower end of the operating rod 65 collides with the stopper 64 and the rotary shaft 24 and the cutter wheel 44 do not descend and the cutter wheel 44 is not processed, the cutting fluid supply switch and the rotation of the cutter wheel 44 are turned off. Turn off the start switch.

The cutter wheel 44 is raised by the work handle 60 and locked by the lock means 62. Then, the floor plate 15 to which the workpiece W is bonded is removed from the processing table 16. The floor plate 15 to which the workpiece W is adhered is heated by a heating means to melt an adhesive such as wax, and in the illustrated example, the workpiece W cut into a disk shape is removed and washed. I do. According to such a procedure, the work material W can be cut into, for example, a disk shape.

In the above embodiment, the case where a disk is cut out from the workpiece W has been described. However, as an application, the ring-shaped member is formed by sliding the cutter holder to change the distance of the cutter from the center of the cutter wheel. It can be cut out, and by providing a stopper in the up and down direction, it is also possible to perform a circumferential center bore (counterbore) processing.

In the illustrated example, the cutter holder 4
As a means for movably fixing the screw 6, a manual mechanism has been described in which a screw hole on the lower surface of the cutter wheel 44 and a screw hole 48 of the cutter holder 46 are aligned and a bolt or the like is inserted, but automatic control by NC control or the like is performed. Can be applied.

In the illustrated example described above, the case where the rotating shaft 24 is configured to be vertically movable is shown. In this case, one disc can be cut out from one work material W, but the second disc cannot be cut out unless the mounting position of the work material W is moved. .

In addition to this configuration, the rotary shaft 24 may be configured to be movable in the horizontal direction in addition to the vertical direction, and may be configured to be movable in the XYZ directions. Further, the processing table 16 can be configured to be movable in the XYZ directions. In this case, after cutting out the first disk from one workpiece W, when cutting out the second disk, the rotating shaft 24 is moved in the horizontal direction and the position of the cutter is adjusted. To another location, and a second disk can be cut out from that location. There is an advantage that the third, fourth, and higher discs can be freely cut out as needed.

In the above embodiment, the case where the working table 16 does not rotate is shown.
Can be rotatable. In this case, by setting the rotation direction of the processing table 16 to be opposite to the rotation direction of the cutter 58, the cutting speed is doubled, and there is an advantage that the cutting time is shortened accordingly.

In the above description, an example is shown in which the cutter 58 is mounted via the cutter wheel 44 and the cutter holder 46. However, the cutter 58 may be mounted directly on the lower end of the rotating shaft 24.

In the above-described cutting example, the disk cutting process has been described. However, according to the configuration of the present embodiment, the cutting process of the end face of the workpiece W, that is, the so-called rounding process can be performed. In this case, the cutter 58 needs to be positioned corresponding to the end face of the workpiece W, and it is necessary to position the cutter 58.

Next, another embodiment of the universal cutting machine of the present invention will be described with reference to FIG. 6 in the accompanying drawings.
FIG. 6 is a side view showing another embodiment of the universal cutting machine of the present invention.

In FIG. 6, reference numeral 12a denotes a universal cutting machine according to another embodiment of the present invention, which has a base. The base 7
Base guide portions 70a, 70a are provided at both end portions of 0 so as to protrude upward. A spindle 7 is provided at the center of the base 70.
2 is provided rotatably. A pulley 74 is attached to the lower end of the main shaft 72.

Reference numeral 76 denotes a motor provided inside the base 70, and a pulley 80 is attached to a drive shaft 78 protruding from the motor 76. The pulleys 74 and 80
A pulley belt 82 is wound around the pulley, and the rotation of the pulley 80 is transmitted to the pulley 74.

At both ends of the main shaft 72, machining table holders 83 are mounted, and rotate with the rotation of the main shaft 72. A processing table 84 is detachably mounted on the processing table holding table 83. The processing table 84
The work material W can be placed on the upper side via a floor plate 86.

Reference numeral 88 denotes a guide bar member, which is an elongated main body 8.
8a, and guide portions 88b, 88b provided at both ends thereof so as to hang downward. The guide section 88
Rotating rolls 90, 90 are rotatably attached to the lower ends of b, 88b. The guide bar member 88 is connected to the base guide portion 70 via the rotating rolls 90, 90.
a, 70a. Therefore, the guide bar member 88 is movable in a direction orthogonal to the longitudinal direction.

Reference numeral 92 denotes a moving block, which is movably mounted in the longitudinal direction of the elongated main body portion 88a of the guide bar member 88. The moving block 92 includes a rotating shaft 94.
Are mounted so as to be vertically movable and rotatable. A cutter 96 is detachably attached to the lower end of the rotating shaft 94.

Reference numeral 98 denotes a guide cylinder attached to the outer cylinder 94a of the rotating shaft 94, and a female screw portion is formed on the inner surface thereof. A screw rod 100 having a male screw portion formed on the outer peripheral surface is screwably engaged with the guide cylinder 98. The screw rod 1
Reference numeral 00 is rotatably attached to the moving block 92. By rotating the handle 102, the screw rod 100 rotates, and the rotating shaft 94 moves up and down.

The respective movements of the guide bar member 88 and the movement block 92 are set by inputting predetermined movement speeds and distances through an operation panel (not shown), and the movement of the cutter 96 in the horizontal direction is set. Is determined.

With the above configuration, the work material W such as quartz glass is bonded to the floor plate 86 using an adhesive such as wax which is melted by heating, as in the case of FIGS.

The floor plate 86 to which the material W is bonded is placed on the processing table 84. Next, the rotating shaft 94 is lowered by turning the handle 102, and the position of the cutter 96 is set in accordance with the processing position of the workpiece W. Thereafter, the processing table 84 is fixed to the processing table support 83.

The rotating shaft 94 and the cutter 96 are rotated to cut the workpiece W (rounding in the example of FIG. 6).
I do. The cutter 96 moves in the XYZ directions, and cuts and rounds a side surface of the workpiece W, for example, a quartz glass plate.

If the processing table 84 is made rotatable, by rotating the processing table 84 in a direction opposite to the direction of rotation of the cutter 96 during this processing, the processing speed of the rounding processing increases accordingly. Processing time is reduced. Also, the processing table 84 is set to XYZ
It may be configured to be movable in the direction.

In the illustrated example, an example of rounding is shown.
Various kinds of cutting can be performed by replacing the cutter 96 with a cutter for another purpose. Also, by using the cutter wheel 44, the cutter holder 46, and the cutter 58 instead of the cutter 96 as in the case of FIGS. Can be performed.

At this time, after cutting one disk, the cutter is moved to the cutting position of the second disk to perform the cutting process, whereby the second disk can be cut. it can. Similarly, a plurality of third or more discs can be cut according to the size of the workpiece W.

[0071] In the case of rounding processing described above, it is necessary to position the cutter 96 to the end face of the work piece W. In addition, when performing a disk cutting process, FIG.
As in the case of the example shown in FIG. 5, the cutter 96 needs to perform its cutting operation while descending its own weight and contacting the upper surface of the workpiece W.

[0072]

As described above, according to the universal cutting machine of the present invention, a disk of a desired size can be easily cut out, and a plate thickness of 30 mm to 50 m which could not be cut conventionally.
There is an advantage that it is possible to cut out a circular plate from the plate material of m, and also to cut out a ring-shaped member, and to perform a centering process and a rounding process.

[Brief description of the drawings]

FIG. 1 is a side view showing one embodiment of a universal cutting machine according to the present invention.

FIG. 2 is a front view of the same.

FIG. 3 is an enlarged view of a main part of FIG. 1;

FIG. 4 is an enlarged bottom view showing the cutter holder.

FIG. 5 is a cross-sectional view showing a rotating block portion.

FIG. 6 is a side view showing another embodiment of the universal cutting machine of the present invention.

[Explanation of symbols]

 12, 12a Universal cutting machine 14 Base 15 Laying plate 16 Processing table 17 Processing table support 18 Column 20 Support block 22 Through hole 24, 94 Rotation axis 25 Rotation block 26, 32, 34, 36, 74, 80 Pulley 28, 76 Motor 30 Motor shaft 38, 40, 82 Pulley belt 42 Weight 44 Cutter wheel 46 Cutter holder 48 Screw hole 50 Cutter holder main body 52 Press plate 54 Bolt 56 Nipping gap 58, 96 Cutter 60 Work handle 62 Locking means 64 Stopper 64a to 64c Stopper Rod 65 Actuating rod 70 Base 70a Base guide part 72 Main shaft 78 Drive shaft 83 Processing table holder 84 Processing table 86 Floor plate 88 Guide bar member 88a Elongated main body part 88b Guide part 90 Rotation low 92 moving block 94a outer tube 98 guide tube 100 threaded rod 102 handle W material to be processed

────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Toru Mizuno 173 Kagamida-ku, Kagamiishi-cho, Iwase-gun, Fukushima Prefecture Atok Fukushima Plant (56) References JP-A-4-69192 (JP, A) 58-28441 (JP, A) JP-A-4-201034 (JP, A) JP-A-61-74805 (JP, A) JP-A-2-100718 (JP, U) JP-A-6-24833 (JP, A) U) Japanese Utility Model Hei 6-31990 (JP, U) Japanese Utility Model Showa 51-3986 (JP, U) Japanese Utility Model No. 29-6190 (JP, Y1) Japanese Utility Model No. 38-18494 (JP, Y1) Japanese Utility Model Sho44 -26394 (JP, Y1) (58) Fields investigated (Int. Cl. ⁷ , DB name) B28D 1/00 B28D 1/22-1/24 B23B 3/10 B23B 3/26 B23C 1/06 B23C 3 / 02 B26D 1/12 B26D 1/44 B26D 3/10 B23Q 1/25 C03B 33/023

Claims (18)

(57) [Claims] 1. A processing table on which a material to be processed is placed, and a processing table located above the processing table, which is vertically movable and can be rotated.
A rotating shaft rotatably mounted and mounted on the rotating shaft
A weight, a cutter wheel attached to a lower end of the rotating shaft, and provided to be able to freely contact and separate from the processing table and to be rotatable; a cutter holder attached to a peripheral edge of the cutter wheel; possess a cutter attached to the cutter holder, the cutter wheel
The cutter falls by its own weight due to gravity, and the cutter
Cutting work while the tip is in contact with the material surface
A universal cutting machine characterized by the work performed . 2. A base, a processing table provided at a central portion of an upper surface of the base and on which a material to be processed is placed, a support provided at a peripheral portion of the base, and a side of the support. A support block provided on the support block, a rotary shaft mounted on the support block so as to be vertically movable and rotatable, and a support shaft mounted on the rotary shaft .
And a weight that, the cutter wheel attached to the lower end of the rotary shaft, possess a cutter holder which is attached to the periphery of said cutter wheel, a cutter attached to the cutter holder, the cutter wheel Heavy
The cutter falls under its own weight due to force, and the cutter can move up and down.
In this state, the cutting work is performed while the tip is in contact with the surface of the workpiece.
A universal cutting machine characterized by being made. 3. The universal cutting machine according to claim 1, wherein the cutter holder is movable in a radial direction of a cutter wheel. 4. The free cutting as claimed in claim 1, wherein the cutter wheel is lowered so that the cutting operation is performed while the tip of the cutter contacts the surface of the workpiece. Machine. 5. The method according to claim 1, further comprising the step of: stopping the descent of the cutter wheel when the cutting is performed until the cutter reaches the lower surface of the workpiece. 5. The universal cutting machine according to claim 4. 6. The apparatus according to claim 1, further comprising a work handle for moving the cutter wheel up and down, and locking means for fixing the cutter wheel.
The universal cutting machine according to any one of claims 1 to 5. 7. The method according to claim 1, wherein the number of the cutter holders is one or more, and one or more cutters are detachably attached to each cutter holder. The universal cutting machine according to claim 1. 8. The apparatus according to claim 7, wherein the number of the cutter holders is three, and the three cutter holders are mounted on the periphery of the cutter wheel at equal distances from each other. Cutting machine. 9. A universal cutter according to any one of claims 1-8, wherein the cutter wheel is characterized in that it is movable in more horizontally with respect to the processing table. 10. A universal cutter according to any one of claims 1-9, wherein the cutter wheel is characterized in that it is movable in the XYZ directions with respect to the processing table. 11. A processing table on which a material to be processed can be placed and rotatable, and a processing table located above the processing table, movable in XYZ directions with respect to the processing table, and rotatably provided. a rotating shaft that is, taken on the rotary shaft
A weight which is Attach, possess a cutter mounted removably to the lower end of the rotary shaft, the rotary shaft due to gravity
And the cutter descends under its own weight, and the cutter moves vertically.
A universal cutting machine characterized in that a cutting operation is performed while the tip is in contact with a surface of a material to be processed . 12. A processing table on which a material to be processed can be mounted and rotatable, and a processing table located above the processing table, movable in XYZ directions with respect to the processing table, and rotatably provided. a rotating shaft that is, taken on the rotary shaft
A weight which is Attach, possess the cutter wheel attached to the lower end portion of the rotary shaft, a cutter holder mounted on the periphery of said cutter wheel, a cutter attached to the cutter holder, the rotary Axis is gravity
The cutter is lowered by its own weight, and the cutter can move up and down.
The cutting work is performed while the tip is in contact with the surface of the workpiece
Universal cutting machine, characterized in that it is. 13. A base, a processing table on which a material to be processed can be placed, and which is rotatably provided on the base.
A guide member provided on the base and above the processing table so as to be movable in a direction perpendicular to the longitudinal direction, and a guide bar member provided with guide portions at both ends; A moving block attached movably in the longitudinal direction, a rotating shaft movably provided in the moving block in a vertical direction and rotatable, and attached to the rotating shaft.
A weight, and a cutter mounted removably to the lower end of the rotary shaft possess, own weight drop the rotary shaft due to gravity
When the cutter is free to move up and down,
A universal cutting machine wherein a cutting operation is performed while being in contact with a surface of a work material . 14. A base, a processing table on which a material to be processed can be placed, and which is rotatably provided on the base.
A guide member provided on the base and above the processing table so as to be movable in a direction perpendicular to the longitudinal direction, and a guide bar member provided with guide portions at both ends; A moving block attached movably in the longitudinal direction, a rotating shaft movably provided in the moving block in a vertical direction and rotatable, and attached to the rotating shaft.
A weight, and a cutter wheel attached to the lower end portion of the rotary shaft, a cutter holder mounted on the periphery of the cutter wheel, possess a cutter attached to the cutter holder, the rotary shaft due to gravity Own weight
When the cutter descends and the tip of the cutter is
A universal cutting machine wherein a cutting operation is performed while being in contact with a surface of a material to be processed . 15. The cutter holder, free cutting machine according to claim 12 or 14, wherein the being movable in a radial direction of the cutter wheel. 16. universal cutter according to any one of claims 1 to 15, characterized in that the machining table is rotatable. 17. universal cutter according to any one of claims 1-16, characterized in that the machining table is movable in the XYZ directions. 18. A method of cutting work material using a universal cutting machine according to any one of claims 1 to 17, a step of placing and fixing the該被workpiece on the machining table,
18. A method for cutting a material to be processed, comprising a step of cutting the material to be processed using the universal cutting machine according to any one of claims 1 to 17 .