JP4569308B2 - Pin mirror cutter mounting mechanism - Google Patents

Description

  INDUSTRIAL APPLICABILITY The present invention is suitable for automating the attachment / detachment of a pin mirror cutter for processing a crankshaft or the like used in a reciprocating engine, in particular, an attachment / detachment of a cutter main body with an array of cutting blades to an adapter portion for rotationally driving a processing machine. The present invention relates to a pin mirror cutter mounting mechanism.

Conventionally, as a tool for processing a crankshaft or the like of a reciprocating engine, a pin mirror cutter including a cutter main body and an adapter portion is used, and the pin mirror cutter is detachably mounted by a handling device. Is known (see, for example, Patent Document 1).
In the pin mirror cutter mounting mechanism described in Patent Document 1, two fixed keys and drive means are provided on the wall surface facing the radially inner peripheral side of the adapter unit side stepped portion so as to be able to protrude and retract from the wall surface. Two movable keys are disposed, and these keys can be fitted into key recesses formed in the cutter body, so that the movement of the cutter body in the rotational direction is restricted.
In addition, in this pin mirror cutter mounting mechanism, it is provided around the adapter unit side stepped portion to be fitted to the cutter body side stepped portion, and can be fitted to a cutter pressing recess formed in the cutter body. A plurality of cutter pressers.
The cutter presser is attached so as to be movable in the radial direction of the adapter unit side stepped portion, and can be moved in and out of the wall surface of the adapter unit side stepped portion by a driving means. Movement in the direction is restricted.

Further, a plurality of clamping recesses that are opened on the outer periphery of the cutter body are formed on the side surface of the cutter body. When removing the cutter body attached to the adapter unit, a plurality of cutter pressers are driven by the driving means. Is retracted from the cutter pressing recess, and the two movable keys are retracted from the key recess, and the clamping claw of the handling device is engaged with the clamping recess of the cutter body, and the cutter body is pulled out from the stepped portion on the adapter side. Have been able to.
The pin mirror cutter mounting mechanism described in Patent Document 1 automates the attachment and detachment of the cutter body to and from the adapter portion by adopting such a configuration.
JP-A-6-262423

However, in the pin mirror cutter mounting mechanism described in Patent Document 1, the cutter body is gripped by engaging the clamp claw of the handling device with the clamp recess of the cutter body. There is a case where the positional deviation between the clamp claw and the concave portion for clamping occurs during the conveyance.
In the pin mirror cutter mounting mechanism described in Patent Document 1, since the cutter body is clamped in parallel with respect to the radial line of the cutter body extending from the central axis, the axis of the cutter body and the adapter It is difficult to accurately match the axial center with the part, and an attachment error of the cutter body to the adapter part may occur, which may result in a processing error due to the pin mirror cutter.

In view of the above problems, a first object of the present invention is to provide a pin mirror cutter mounting mechanism capable of reliably connecting a handling device and a cutter body.
The second object of the present invention is to provide a pin mirror cutter mounting mechanism capable of accurately matching the axis of the cutter body with the axis of the adapter portion and causing no mounting error or machining error. Objective.

In order to solve the above-described problems and achieve the first and second objects, the pin mirror cutter mounting mechanism of the present invention has a ring-shaped cutter body and a cutter body in which cutting blades are arranged. It is detachably attached to the adapter unit that is transported by and rotated by the processing machine by an attaching / detaching means, and the cutter body and the adapter unit are integrally rotated about the center axis of the cutter body to cut with the cutting blade. In the pin mirror cutter attachment mechanism to be performed, the attachment / detachment means is formed in a plurality of positions so as to penetrate the cutter body at a position sandwiching the central axis, and to be screwed with a male screw portion provided in the handling device. And a plurality of guide holes having a diameter smaller than that of the female screw portion in the center line direction parallel to the central axis. The guide holes are arranged coaxially with the female screw portion in a state where the cutter body and the adapter portion are attached, and a plurality of the handling devices are provided at positions sandwiching the central axis. The pickup section includes at least a guide shaft provided at the tip so as to be able to be inserted into the guide hole, and the male screw portion provided coaxially at the rear end of the guide shaft. And the male screw portion of the pickup portion is made to be movable forward and backward while rotating toward the female screw portion, so that the male screw portion and the female screw portion are detachable , The guide shaft and the guide hole can be inserted and inserted .
According to the present invention, since the plurality of male screw portions formed in the handling device are screwed with the plurality of female screw portions formed in the cutter body, the handling device and the cutter body do not cause misalignment. Connected securely.
Further, in order to prevent a reduction in the rigidity of the cutter body, the cutter body is formed with a plurality of positioning protrusions protruding in the radial direction of the cutter body at intervals in the rotation direction, It is desirable that at least a part thereof is formed on the positioning convex portion .

In order to achieve the second object, as described above, the pin mirror cutter mounting mechanism according to the present invention is configured such that the adapter portion has a center line direction parallel to the center axis in the direction of the center screw. A plurality of small-diameter guide holes are formed, and the guide holes are arranged coaxially with the female screw portion in a state where the cutter body and the adapter portion are attached. A plurality of pickup portions provided at positions sandwiching the central axis are provided, and the pickup portion is coaxial with the guide shaft provided at the front end so that the guide hole can be inserted into the guide hole, and at the rear end of the guide shaft. The male screw portion provided at least is provided, and the male screw portion of the pickup portion is allowed to advance and retreat toward the female screw portion, whereby the male screw portion and the female screw portion are provided. Putting on and taking off Together we are standing, the guide shaft and said guide holes are capable fitted, when the guide shaft and the guide hole is fitted, between the cutter body and the adapter portion, radial and pins Positioning in the rotational direction of the mirror cutter is ensured.

According to the pin mirror cutter mounting mechanism of the present invention, it is possible to reliably connect the handling device and the cutter body, and to prevent a reduction in the rigidity of the cutter body.
Further, according to the pin mirror cutter mounting mechanism of the present invention, the positioning in the radial direction and the rotation direction of the pin mirror cutter is ensured, so that the attachment and detachment of the cutter body to and from the adapter portion can be automated with high accuracy. In addition, the processing accuracy can be improved.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
FIG. 1 is a plan view showing a part of a pin mirror cutter attached according to the present embodiment, and FIG. 2 is a diagram in which a pickup unit 42 of a handling device 41 to be described later is mounted on the AA line cross section of FIG. 3 is a view in which a pickup unit 42 of the handling device 41 described later is mounted on the cross section taken along line BB in FIG. 1, FIG. 4 is a cross sectional view taken along line CC in FIG. 1, and FIG. FIG.

The pin mirror cutter 1 includes a cutter body 2 having a substantially annular shape centered on a central axis P, and an adapter portion 3 having a substantially annular shape, to which the cutter body 2 is fitted and fixed to a processing machine (not shown). It has.
Further, a plurality of inserts 4 having cutting edges are arranged in a staggered manner on the inner peripheral portion of the cutter body 2 at intervals in the rotation direction between the peripheral surface and both side surfaces of the inner peripheral portion.

As shown in FIG. 2, a stepped portion J that is retreated one step from the other side surface 2 b toward the one side surface 2 a of the cutter body 2 is formed in an annular shape on the outer peripheral portion of the cutter body 2.
On the other hand, on the adapter portion 3 side, a stepped portion K is formed in an annular shape, which is reverse to the stepped portion J from the one side surface 3a of the adapter portion 3 toward the other side surface 3b. The attached portion J and the stepped portion K can be fitted and engaged by surface contact.
In addition, clampers 5 provided at a plurality of locations (only one is shown in FIG. 1) at intervals in the circumferential direction are attached to the adapter portion 3 by mounting bolts 6. It is being fixed to the adapter part 3 via.
In this state, the pin mirror cutter 1 can be driven. However, when the cutter body 2 is firmly fixed to the adapter portion 3, an appropriate fastening means is used.

In the outer peripheral portion of the cutter main body 2, in this embodiment, there are circular plate shapes centered on the central axis P at eight locations (only one is shown in FIG. 1) that is rotationally symmetric about 45 ° around the central axis P. The positioning convex portion 7 is integrally formed so as to protrude outward from the one side surface 2a side of the stepped portion J.
On the other hand, on the inner peripheral part of the adapter part 3, on the side surface 3 a side of the stepped part K, corresponding to the positioning convex part 7, in this embodiment, there are also eight positions with 45 ° rotational symmetry ( In FIG. 1, only one is shown), and a positioning recess 8 that is recessed outward is formed. The positioning recess 8 has a shape that can be engaged with the positioning projection 7 of the cutter body 2 described above. Yes.

FIG. 3 is a cross-sectional view taken along line BB in FIG. 1 and shows details of a state in which the positioning convex portion 7 formed in the cutter body 2 and the positioning concave portion 8 formed in the adapter portion 3 are engaged. It is shown.
The positioning projection 7 formed on the cutter body 2 is a first rear side with respect to the rotation direction R formed rising from the positioning projection bottom surface 7a formed so as to be orthogonal to the central axis P (see FIG. 1). Positioning projection side wall surface 7b and a second positioning projection side wall surface 7c on the front side in the rotation direction R.
The first positioning convex side wall surface 7b is formed in parallel to the central axis P, and the second positioning convex side wall surface 7c extends from the positioning convex bottom surface 7a to the one side surface 2a of the cutter body 2. It is formed so as to be inclined toward the front side in the rotation direction R as it goes to.

The positioning concave portion 8 formed in the adapter portion 3 is formed so as to be able to engage with the positioning convex portion 7 described above. From the positioning concave portion bottom surface 8a formed so as to be orthogonal to the central axis P, the rotational direction R The first positioning recess side wall surface 8b on the rear side and the second positioning recess side wall surface 8c on the front side with respect to the rotation direction R are provided.
The first positioning recess side wall surface 8b is formed parallel to the central axis P, and the second positioning recess side wall surface 8c is positioned at the same angle as the second positioning projection side wall surface 7c. Is inclined toward the front side in the rotational direction R as it goes from the side of the adapter portion 3 toward the side surface 3a.
Further, the first positioning convexity side wall surface 7b and the first positioning concave portion side wall surface 8b, and the second positioning convexity side wall surface 7c and the second positioning concave portion side wall surface 8c are in close contact with each other. It is configured.

In the present embodiment, the positioning projection 7 is positioned on one circumference centered on the central axis P as attachment / detachment means for detachably attaching the cutter body 2 to the adapter portion 3. The female screw portion 9 is formed so as to penetrate in a direction parallel to the central axis P of the cutter body 2.
Therefore, in the present embodiment, the female screw portion 9 is also arranged at eight places (only one is shown in FIG. 1) with 45 ° rotational symmetry.
In FIG. 1, the female screw portion 9 is entirely disposed in the positioning convex portion 7, but if the rigidity of the cutter body 2 can be secured, a part of the female screw portion 9 is a stepped portion of the cutter body 2. You may overlap with J.

  Further, as shown in FIG. 2, 8 from the positioning recess 8 of the adapter portion 3 to the other side surface 3 b is arranged coaxially with the female screw portion 9 in a state where the cutter body 2 is attached to the adapter portion 3. A guide hole 10 having a diameter smaller than that of the female screw portion 9 is formed through a portion (only one is shown in FIG. 1).

Next, details of a portion where the cutter body 2 is fixed to the adapter portion 3 via the clamper 5 will be described with reference to FIGS. 1, 4 and 5.
As shown in FIG. 1, the clamper 5 includes a flange portion 5 b formed in a substantially meniscus shape having a cutout portion 5 a in which a peripheral edge portion of a disk is cut out linearly in a plan view. 5b includes a recess 2c formed by recessing from one side surface 2a on the outer peripheral side of the cutter body 2, and a recess 3c formed by recessing from one side surface 3a on the inner peripheral side of the adapter portion 3. It is arranged in a circular recess 11 defined.

As shown in FIG. 4, a boss portion 5c is formed on the side of the clamper 5 facing the adapter portion 3 so as to protrude coaxially with the flange portion 5b. It is accommodated in a counterbore 3d formed in the recess 3c on the part 3 side.
Further, the clamper 5 is provided with a counterbore 5e recessed from the upper surface 5d toward the boss 5c, and a through hole 5f penetrating from the center of the counterbore 5e through the center of the boss 5c is formed.

Further, on the other side surface 3b side of the adapter part 3, a female screw 3e is formed coaxially with the boss part 5c and the through hole 5f in a state where the clamper 5 is disposed in the circular concave part 11, and the mounting bolt 6 is accommodated in the counterbore hole 5e, and the screw portion 6b of the mounting bolt 6 is screwed to the female screw 3e through the through hole 5f, whereby the clamper 5 is rotated in the circular recess 11. It is supported movably.
A retaining ring 21 is disposed on the mounting bolt 6 between the clamper 5 and the adapter unit 3 so that the mounting bolt 6 does not come off from the clamper 5.

In the vicinity of the outer peripheral end of the lower surface 5g of the flange portion 5b, a groove portion 5h having an arc shape in plan view is formed over a predetermined angle with the axis of the clamper 5 as the center.
From the other side surface 3b of the adapter part 3, a stopper member 22 is screwed and attached so that the tip part 22a protrudes into the recess 3c, and the tip part 22a of the stopper member 22 is accommodated in the groove part 5h. Thereby, the clamper 5 is restricted in the rotation range within a predetermined angle centered on the axis of the clamper 5, and the notch 5 a is directed radially inward of the adapter 3, so that the flange 5 b A position (indicated by a solid line in FIG. 1) where the flange portion 5b is protruded inward in the radial direction of the adapter portion 3 by being rotated in a direction opposite to the rotation direction of the adapter portion 3 (arrow S direction) Position).

Further, as shown in FIG. 5, a screw hole 5k having a predetermined length is formed from the outer periphery of the flange portion 5b of the clamper 5 toward the center of the counterbore hole 5e, and the pilot hole is coaxial with the screw hole 5k. 5m is formed to penetrate to the counterbore 5e.
A cylindrical urging member 23 is fitted into the open end side of the prepared hole 5m on the counterbore 5e side.
The spring 24 is compressed and interposed between the biasing member 23 and the screw 25 screwed into the screw hole 5k, and biases the biasing member 23 to the head 6a of the mounting bolt 6. ing.

The handling device 41 includes a plurality of pickup units 42 (only one is shown in FIGS. 2 and 3) provided at positions sandwiching the central axis.
The pickup unit 42 has a rear end provided on a shaft 43 that is supported by a main body (not shown) of the handling device 41 so as to be rotatable and capable of moving forward and backward, and extends in parallel with the central axis P, and is provided at the tip of the shaft 43. A cylindrical guide shaft 44 having an outer diameter that can be inserted into the hole 10, and a male screw portion 45 that is connected from the rear end of the guide shaft 44 and has the same screw diameter as the female screw portion 9. Yes.
In order to facilitate the insertion into the guide hole 10, a tapered surface 44 a is formed on the outer periphery of the tip end of the guide shaft 44.

The shaft 43, the guide shaft 44, and the male screw portion 45 are all formed coaxially, and the centers of the plurality of pickup portions 42 are respectively centered on the central axis P where the female screw portion 9 of the cutter body 2 is located. Are located around the central axis P at intervals of 45 ° or an integral multiple thereof.
A length L1 from the tip of the guide shaft 44 to the male screw portion 45 is set to be longer than a depth L2 of the female screw portion 9.

  In the pin mirror cutter 1 configured as described above, an operation when the cutter body 2 is automatically mounted on the adapter unit 3 by the handling device 41 will be described.

First, in a state where the male screw part 45 of the pickup part 42 is screwed to the female screw part 9 of the cutter body 2 and the guide shaft 44 protrudes from the positioning convex part 7, the cutter body 2 is moved to a position facing the adapter part 3. Transport.
Next, the stepped portion J on the cutter body 2 side is arranged so as to face the stepped portion K on the adapter portion 3 side, and the central axis P of the cutter body 2 and the rotation axis of the adapter portion 3 by the processing machine are coincident At the same time, the position of the positioning convex portion 7 in the rotation direction R is set relative to the positioning concave portion 8 that is engaged by index means (not shown) so that the center line of the protruding guide shaft 44 matches the center line of the guide hole 10 Let

Thereafter, the cutter body 2 is advanced toward the adapter unit 3 by the handling device 41, and the guide shaft 44 of the pickup unit 42 and the guide hole 10 of the adapter unit 3 are fitted and inserted.
Therefore, by fitting these guide shafts 44 into the guide holes 10, the cutter body 2 has its center axis P accurately aligned with the rotation axis of the adapter unit 3 and is also positioned in the rotation direction R so that the adapter unit 3 is attached.

  Further, the stepped portion J on the cutter body 2 side and the stepped portion K formed on the adapter portion 3 side are engaged by fitting and surface contact, and the second positioning protrusion on the cutter body 2 side is engaged. By engaging the inclined surface of the partial side wall surface 7c with the inclined surface of the second positioning recess side wall surface 8c on the adapter unit 3 side, the first positioning convex side wall surface 7b on the cutter body 2 side, The first positioning recess side wall surface 8b on the adapter section 3 side is brought into contact with the cutter body 2, and the cutter body 2 is positioned with higher accuracy in the direction of the rotation direction R.

Next, the mounting bolt 6 of the clamper 5 is tightened by an automatic machine (not shown).
As described above, when the mounting bolt 6 is in a loosened state, the tip 22a of the stopper member 22 is in contact with the other end of the groove 5h, and the notch 5a is located radially inward of the adapter 3. The flange portion 5b is stopped at a position where the flange portion 5b receives the urging force of the urging member 23 and does not protrude from the radially inner side of the adapter portion 3.

When the mounting bolt 6 is tightened, the mounting bolt 6 is rotated in the rotational direction S (see FIG. 1), and is biased by the spring 24 until the tip 22a of the stopper member 22 comes into contact with one end of the groove 5h. Since the tip of the member 23 is biased by the head 6 a of the mounting bolt 6, the clamper 5 is rotated in the rotation direction S together with the mounting bolt 6.
When the tip 22a of the stopper member 22 is brought into contact with one end of the groove 5h, the clamper 5 is not further rotated even if the mounting bolt 6 is further rotated in the rotation direction S, and the biasing member The urging force of 23 does not return the rotation direction S in the opposite direction.

As a result, the clamper 5 is stopped at a position (a position indicated by a solid line in FIG. 1) where the flange portion 5 b protrudes radially inward of the adapter portion 3 while receiving the urging force of the urging member 23. By tightening the mounting bolt 6, the cutter body 2 is pressed through the clamper 5 and is securely fixed and attached to the adapter unit 3.
Then, by rotating the pickup portion 42 while rotating it, the female screw portion 9 of the cutter body 2 and the male screw portion 45 of the pickup portion 42 are unscrewed and the guide shaft 44 comes out of the guide hole 10. A series of installation procedures is completed.

  On the other hand, when the cutter main body 2 attached to the adapter unit 3 is automatically removed by the handling device 41, first, the pickup unit 42 of the handling device 41 uses the index means (not shown) to center the mutual thread line 9 on the female screw unit 9. The cutter body 2 is advanced from the one side surface 2a side of the cutter main body 2 toward the female screw portion 9 formed on the cutter main body 2 while being rotated in a predetermined direction.

  Even if the guide shaft 44 formed at the tip of the pickup portion 42 reaches the female screw portion 9, the diameter of the guide shaft 44 is smaller than the screw diameter of the female screw portion 9. Does not interfere with the female screw portion 9, and the pickup portion 42 is further advanced toward the adapter portion 3.

As described above, the length L1 from the tip of the guide shaft 44 to the male screw portion 45 is set to be longer than the depth L2 of the female screw portion 9, so that the female screw portion 9 and the male screw portion 45 are formed. Before being screwed, the guide shaft 44 reaches the guide hole 10 and is inserted.
When the pickup portion 42 is further advanced, the female screw portion 9 and the male screw portion 45 are screwed together while the guide shaft 44 is supported by the guide hole 10, and the cutter body 2 is screwed to the pickup portion 42. To be removable.

Next, the mounting bolt 6 of the clamper 5 is loosened by an automatic machine (not shown) of the handling device 41.
When the mounting bolt 6 is in a tightened state, the tip 22a of the stopper member 22 is in contact with one end of the groove 5h (the state indicated by the dotted line in FIG. 1).
When the mounting bolt 6 is loosened, the mounting bolt 6 is rotated in the direction opposite to the rotation direction S (see FIG. 1) until the tip 22a of the stopper member 22 contacts the other end of the groove 5h. Since the tip of the urging member 23 is urged to the head 6 a of the mounting bolt 6 by the spring 24, the clamper 5 is rotated in the direction opposite to the rotation direction S together with the mounting bolt 6.

When the tip 22a of the stopper member 22 is brought into contact with the other end of the groove 5h, the clamper 5 is not further rotated even if the mounting bolt 6 is further rotated in the direction opposite to the rotation direction S. Moreover, the biasing force of the biasing member 23 does not return the rotation direction S.
Accordingly, when the mounting bolt 6 is loosened, the clamper 5 stops at a position where the notch 5a is directed radially inward of the adapter 3 and does not project the flange 5b radially inward of the adapter 3. Is done.

Then, by retracting the pickup unit 42 without rotating it, the cutter body 2 is removed from the adapter unit 3 and placed on a mounting table (not shown) of the handling device 41 to complete a series of attachment procedures.
At this time, since the width of the positioning recess 8 is formed wide in the backward direction, the cutter body 2 can be removed from the adapter portion 3 smoothly.

According to the present embodiment, since the plurality of male screw portions 45 formed in the handling device 41 are screwed with the plurality of female screw portions 9 formed in the cutter body 2, the handling device 41 and the cutter body 2 are Can be reliably connected. By making these male screw part 45 and female screw part 9 detachable, it is possible to easily realize the automatic attachment / detachment of the cutter body 2 to / from the adapter part 3.
Further, since the arcuate plate-like positioning convex portions 7 are formed in the cutter body 2 at eight locations that are rotationally symmetric by 45 ° around the central axis P, and the entire female screw portion 9 is formed in the positioning convex portion 7. The rigidity of the cutter body 2 can be prevented from being lowered.

Further, by inserting and inserting the guide shaft 44 of the handling device 41 and the guide hole 10 formed in the adapter unit 3, the radial direction between the cutter body 2 and the adapter unit 3 and the rotation direction of the pin mirror cutter 1 Since the positioning with R can be performed reliably, the attachment / detachment of the cutter body 2 to / from the adapter part 3 can be automated with high accuracy, and the processing accuracy can be improved.
Further, since the tapered surface 44 a is formed on the outer peripheral portion of the guide shaft 44 of the handling device 41, the guide shaft 44 can be easily inserted into the guide hole 10 of the adapter unit 3, and to the adapter unit 3 of the cutter body 2. Can be more easily automated.

Further, according to the present embodiment, the cutter body 2 can be mounted with the stepped portion J and the stepped portion K being brought into precise surface contact with each other, and the cutter body 2 can be attached to and detached from the adapter portion 3 more reliably. Can be performed with high accuracy, and the processing accuracy can be improved.
Further, the inclined surface of the second positioning convex portion side wall surface 7c on the cutter body 2 side and the inclined surface of the second positioning concave portion side wall surface 8c on the adapter portion 3 side are engaged, so that the cutter main body 2 side is engaged. Since the first positioning convex portion side wall surface 7b and the first positioning concave portion side wall surface 8b on the adapter portion 3 side are in contact with each other, the cutter body 2 is positioned with higher accuracy in the direction of the rotation direction R. .

Therefore, it is possible to attach the cutter body 2 and the adapter portion 3 so that the concave and convex portions, the stepped portions, and the screw portions are accurately aligned, and the cutter body 2 can be attached to and detached from the adapter portion 3. Can be performed with higher accuracy, and the processing accuracy can be improved.
Furthermore, according to the present embodiment, since the biasing member 23 biased toward the mounting bolt 6 by the spring 24 is provided on the flange portion 5b of the clamper 5, the free rotation of the clamper 5 is restricted. Therefore, it is more suitable for automation of attachment / detachment between the cutter body 2 and the adapter unit 3.

The above-described embodiment relates to a mounting mechanism for a so-called internal type pin mirror cutter provided with the insert 4 on the inner peripheral surface of the cutter body 2, but the present invention is not limited to this. The present invention can also be applied to so-called external pin mirror cutters.
The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the invention.

  A pin mirror cutter mounting mechanism that can securely connect the handling device and the cutter body, and can precisely match the axis of the cutter body and the axis of the adapter, so that no mounting or machining errors occur. Can be provided.

It is a top view which shows a part of pin mirror cutter 1 attached by this embodiment. FIG. 2 is a diagram in which a pickup unit 42 is mounted on a cross section taken along line AA in FIG. 1. FIG. 3 is a diagram in which a pickup unit 42 is mounted on a cross section taken along line BB in FIG. 1. It is CC sectional view taken on the line of FIG. It is the DD sectional view taken on the line of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 2 Cutter main body 3 Adapter part 5 Clamper 7 Positioning convex part 8 Positioning concave part 9 Female screw part 10 Guide hole 11 Circular concave part 22 Stopper member 23 Energizing member 41 Handling device 42 Pickup part 44 Guide shaft 45 Male thread part J Cutter main body 2 Stepped part on the side K Stepped part on the adapter part 3 side

Claims (1)

A cutter main body having an annular shape and an array of cutting blades is detachably attached to an adapter unit that is transported by a handling device and driven to rotate by a processing machine by an attaching / detaching means. The cutter main body and the adapter unit are connected to the cutter unit. In the mounting mechanism of the pin mirror cutter that performs cutting with the cutting blade by integrally rotating around the central axis of the main body,
The attaching / detaching means includes
A plurality of female screw portions that are formed to penetrate the cutter body at a position sandwiching the central axis and that can be screwed with a male screw portion provided in the handling device,
The adapter portion is formed with a plurality of guide holes smaller in diameter than the female screw portion in a center line direction parallel to the center axis, and the guide body and the adapter portion are attached to the guide holes. In the state of being arranged coaxially with the female screw portion,
The handling device includes a plurality of pickup units provided at positions sandwiching the central axis.
The pickup section includes at least a guide shaft provided at the tip so as to be able to be inserted into the guide hole, and the male screw portion connected coaxially to the rear end of the guide shaft.
The male screw portion of the pickup portion can be moved forward and backward while rotating toward the female screw portion, so that the male screw portion and the female screw portion are detachable, and the guide shaft An attachment mechanism for a pin mirror cutter, wherein the guide hole is insertable.

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