JP3148446U - Cutter socket - Google Patents

Abstract

The present invention provides a socket for a cutter that reduces the load when the cutter is removed and is easy to remove the cutter. SOLUTION: A cylinder body 20 having an assembly portion 21, a cutter insertion side 22, and a rear side portion 23 is provided. The cylindrical body 20 has a cutter slot 30 and has a removal auxiliary part placing portion 50 at a side-justified position. The removal auxiliary part placing part 50 has a first opening side 51 penetrating the rear side part 23 of the cylindrical body 20 and a second opening side 52 communicating with the cutter slot 30. The removal auxiliary part placing part 50 has a passive side 61 and a pressing side 62. The passive side 61 protrudes to the first opening side 51. When the passive side 61 is pushed, the pressing side 62 protrudes into the second opening side 52, enters the cutter slot 30, and acts to push the cutter 80 outward, so that the cutter 80 and the cutter slot 30 The tightly fitted state between them is reliably released. [Selection] Figure 4

Description

  The present invention relates to a cutter socket, and more particularly to an original structural design having a cutter removal assist function.

  The cutter socket is one of the parts used in the structure of the automatic cutting device. Specifically, the socket for a cutter is incorporated and arranged in the cutter structure of the automatic cutting apparatus, and is thereby provided so as to fix the inserted cutter.

  FIG. 1 shows the structure of a conventional cutter socket 10. As shown in FIG. 1, the cutter socket 10 has a cutter slot 12 formed on one side (Z1 side) of a cylinder 11, and a metal cylinder core 13 is provided at the center of the cutter slot 12. A position fixing ball 14 is provided near the Z1 side of the metal cylinder core 13.

  A metal slide bar 15 is provided so as to pass through the middle between the metal cylinder core 13 and the cylinder 11. A spring 16 is provided on the outer periphery of the metal slide bar 15 on the Z2 side. A concave guide groove 17 is formed on the Z1 side which is the tip of the metal slide bar 15. Due to the concave guide groove 17, the position fixing ball 14 protrudes outward or moves inward to be in an open state.

  The structure of the conventional cutter socket has the following problems based on actual use experience.

  In the actual use process, when the cutter is taken out from the cutter slot 12 of the cutter socket 10, the control device in the automatic cutting apparatus automatically pushes up the metal slide bar 15, and the position fixing ball 14 is moved to the cutter socket 10. It pushes in the direction of the center of the to make it open. However, between the cutter slot 12 and the cutter, the taper-shaped fit is in a tight state. Even if the position fixing ball 14 is in an open state, the cutter remains the same, and the fit in the state in which the cutter slot 12 is tight. It has become. For this reason, when the cutter is taken out from the cutter socket 10 by the cutter removing arm of the automatic cutting apparatus, the reaction force generated from the tapered state between the cutter slot 12 and the cutter is received. For this reason, the cutter detaching arm is liable to be deformed by an excessive load, the movement accuracy is deteriorated, the service life is shortened, and the work safety is negatively affected.

  Therefore, it is a goal and method for further efforts and research and development by related companies to develop a more ideal and practical original structure for the problems of conventional cutter socket structures.

In view of these, the inventor has many years of experience in the development and design of related products. The above-mentioned goals were designed, evaluated in detail, and the present invention with practicality was obtained.
The main purpose of the present invention is to provide a cutter socket with a removal assist function, and as a problem to be solved, the cutter removal arm in the conventional cutter socket is easily deformed by excessive load. The problem is that the accuracy of movement becomes worse, the service life is shortened and the safety of work is negatively affected. The cylinder of the socket for the cutter has a cutter slot. A cutter position fixing structure is provided at a position corresponding to the cutter slot, whereby the insertion with the cutter is fixed in position.

The cutter socket of the present invention has a cylindrical body 20 including an assembly part 21, a cutter insertion side 22, and a rear side part 23.
The cylindrical body 20 has a cutter slot 30 having a concave shape on the cutter insertion side 22,
A cutter position fixing structure 40 is provided in a portion corresponding to the cutter slot 30 inside the cylindrical body 20,
The cutter position fixing structure 40 includes a tube seat 41, a position fixing ball 42 fitted in a through hole 410 on one side of the tube seat 41, and a flexible push-up structure portion 43.
The flexible push-up structure 43 pushes the position fixing ball 42 outward, protrudes outside the through hole 410, and fixes the position of the cutter 80,
The auxiliary part for removal which consists of the 1st opening side 51 which penetrated the rear side part 23 of the said cylinder 20, and the 2nd opening side 52 connected to the said cutter slot 30 in the location of the one side alignment of the said cylinder 20 The component placement part 50 is formed,
The removal auxiliary component placing portion 50 has a passive side 61 and a pressing side 62, and is provided with a removal auxiliary component 60 that is formed in a sliding state with a limited range,
The passive side 61 of the auxiliary part for removal 60 protrudes to the first opening side 51, the pressing side 62 protrudes to the second opening side 52 and enters the cutter slot 30, In this configuration, the cutter 80 inserted into the cutter slot 30 is pushed out to the outside and the cutter 80 is removed.

  Compared with the prior art, in the present invention, when the cutter is taken out from the cutter slot of the cutter socket in the automatic cutting device, the acting force of protruding the cutter is generated by the movement of the auxiliary part for removal. , The tight fit between the cutter and the cutter slot is reliably released, the load on the cutter removal mechanism is reduced, the removal and protection for the cutter is achieved, the work safety is improved, It has practicality and inventive steps that extend its service life, and is suitable for industrial use effects.

  Hereinafter, the optimal example of the socket for cutters with a removal auxiliary function of the present invention is described.

  FIG. 2 is a perspective view of a cutter socket having a removal assist function according to the first embodiment of the present invention. FIG. 3 is a perspective view showing the cutter socket of FIG. 2 as seen from the back side. 4 is a longitudinal sectional view of the cutter socket of FIG.

  X1-X2 is one width direction of the cutter socket A, Z1-Z2 is another width direction (height direction), and Z1-Z2 is a longitudinal direction (axis direction). Z1 is the direction of the tip end side of the cutter socket A, and Z2 is the direction of the base side of the cutter socket A.

  The cutter socket A has a cylindrical body 20 including an assembly part 21, a cutter insertion side 22, and a rear side part 23.

  A concave-shaped cutter slot 30 is provided on the cutter insertion side 22 of the cylindrical body 20. The inner peripheral surface of the cutter slot 30 is conical.

  A cutter position fixing structure 40 is provided in a portion corresponding to the cutter slot 30 inside the cylindrical body 20. The cutter position fixing structure 40 includes a cylindrical seat 41, a position fixing ball 42, and a flexible push-up structure portion 43. The position fixing ball 42 is fitted in the through hole 410 on one side (X2 side) of the cylindrical seat 41.

  The flexible push-up structure 43 pushes the position fixing ball 42 outward (Z1 direction). The position fixing ball 42 protrudes out of the through hole 410 and fixes the position of the cutter 80.

  A removal auxiliary component placing portion 50 is formed at a position of one side of the cylindrical body 20.

  The removal auxiliary part placing part 50 includes a first opening side 51 penetrating the rear side part 23 of the cylindrical body 20 and a second opening side 52 communicating with the cutter slot 30.

  The removal auxiliary component placing portion 50 is provided with a removal auxiliary component 60 that is in the shape of a column and is formed in a sliding state with a limited range.

  The removal auxiliary component 60 has a passive side 61 and a pressing side 62.

  The passive side 61 protrudes to the first opening side 51. The pressing side 62 protrudes into the second opening side 52, enters the cutter slot 30, and pushes the cutter 80 (see FIG. 5) inserted into the cutter slot 30 outward (Y1 side). The auxiliary function of removing the cutter 80 is achieved.

  An opening hole 24 is formed in the center of the rear side portion 23 of the cylindrical body 20. A flange portion 25 protruding toward the center side of the opening hole 24 is formed on the back side of the opening hole 24. An inner wall 411 is formed at the base (Z2 side) of the cylindrical seat 41 of the cutter position fixing structure 40, and the inner wall 411 contacts the flange portion 25.

  The flexible push-up structure 43 includes a spring 431 and a push block 432. A conical edge portion 433 is formed on the distal end side (Z1 side) of the push block 432, and this is in contact with the position fixing ball 42. The spring 431 is incorporated between the push block 432 and the inner wall 411, and pushes up the push block 432 toward the cutter insertion side 22 (Z1 direction).

  A convex ring edge 63 is formed in a portion near the passive side 61 of the auxiliary part 60 for removal. An expansion slot 53 that guides the movement for guiding the displacement of the convex ring edge 63 is formed on the first opening side 51 of the auxiliary part placing part 50 for removal. On the opening side (Z2 side) of the expansion slot 53, a retaining ring 54 for locking the convex ring edge 63 is fixed. Thus, the range in which the removal auxiliary component 60 moves is limited, and the removal auxiliary component 60 is prevented from coming out of the removal auxiliary component placing portion 50.

  A technical feature of the main core design of the present invention is that the cylinder 20 is provided with a removal auxiliary part placing portion 50 for holding the removal auxiliary part 60.

  Next, operations and operations of the cutter socket A configured as described above will be described.

  FIG. 5 shows a state where the cutter 80 is attached to the cutter socket A. FIG. The removal auxiliary component 60 has a passive side 61 protruding to the first opening side 51.

  When the cutter 80 is removed from the cutter socket A, the passive side 61 is pushed into the first opening side 51 with a predetermined external force L1 (may be a pressing part in the automatic cutting apparatus).

  As a result, the pressing side 62 of the auxiliary part 60 for removal comes out from the second opening side 52 to the Y1 side and protrudes into the cutter slot 30 to push the cutter 80 in the Z1 direction.

  The cutter 80 is pushed out from the cutter socket A in the Y1 direction while pushing the position fixing ball 42 into the through hole 410 and is removed from the cutter socket A. Note that the cutter 80 is separated from the cutter slot 30, and an excessive load is avoided between the cutter 80 and the cutter slot 30, which occurs when the taper is tightened.

  FIG. 6 shows a state when the action of the external force L1 is released. By the push-up spring 70 provided between the convex ring edge 63 and the back side wall 53a of the expansion slot 53, the auxiliary part 60 for removal is moved in the Z2 direction as indicated by the arrow L2, and is moved in the direction of the passive side 61. Reset.

There are many types of cutters that can be inserted into the cutter slot 30 of the cutter socket A. For example, the cutter 80 shown in FIG. 4 is an “HSK” type used in the industry, the cutter 80B shown in FIG. 7 is a “SANDVIK” type used in the industry, and the cutter 80C shown in FIG. KM "type. One skilled in the art should appreciate that other special types of cutters may be provided in the cutter slot 30 of the cutter socket A.

  Next, the effect produced by the cutter socket A of the present invention will be described.

  The “cutter socket with a removal assisting function” of the present invention is described in the above-mentioned background art by an original configuration provided with a removal assisting part placing part used for providing a removing assisting part on the cylinder. Compared with the conventional structure, when removing the cutter from the cutter slot of the cutter socket in the automatic cutting device, the pushing force of the auxiliary part for removal exerts an acting force that pushes the cutter outward, and the cutter and the cutter slot Practicality that the tightly fitted fit is reliably released, the load on the cutter removal mechanism is reduced, removal assistance to the cutter and protection are achieved, work safety is improved, and the service life of the device is extended. It has an inventive step and is suitable for industrial use effects.

In other words, the flexible push-up structure comprising a spring and a push block has a structure that pushes the spring between the push block and the inner wall of the cylindrical seat, which is compared with the conventional structure described in the background art. For example, the present invention eliminates the need for the metal slide bar component provided in the conventional structure, simplifies the component, reduces the material cost, and is suitable for industrial use effects.
The above-described embodiments are specific descriptions of the present invention, and are described using specific technical terms in the text. However, the scope of the present invention is not limited, and those who are familiar with this technical field. Can be modified or improved without departing from the spirit and principle of the present invention. However, all such changes or improvements are included in the scope of the claims for utility model registration.

It is sectional drawing of the conventional socket for cutters. It is a perspective view of the socket for cutters which becomes Example 1 of the present invention. FIG. 3 is a partially exploded perspective view showing the cutter socket of FIG. 2. FIG. 3 is a cross-sectional view of a part of the cutter socket in FIG. 2. It is a figure which shows a state when removing a cutter. It is a figure which expands and shows the state of the auxiliary component for removal when the effect | action of the external force L1 is cancelled | released. It is a perspective view of the socket for cutters corresponding to a SANDVIK type cutter. It is a perspective view of the socket for cutters corresponding to a KM type cutter.

Explanation of symbols

A Cutter socket 20 Cylinder body 21 Assembly part 22 Cutter insertion side 23 Rear side part 24 Inner recessed tank 25 Flange part 30 Cutter slot 40 Cutter position fixing structure 41 Cylindrical seat 410 Through hole 411 Inner side wall 42 Position fixing ball 43 Flexible Push-up structure portion 431 Spring 432 Push block 433 Conical edge portion 50 Auxiliary component placement portion 51 for removal First opening side 52 Second opening side 53 Expansion slot 54 Retaining ring 60 Auxiliary component for removal 61 Passive side 62 Pressing side 63 Convex ring Edge 70 Push-up spring 80, 80B, 80 Cutter

Claims (5)

It has a cylinder (20) comprising an assembly part (21), a cutter insertion side (22), and a rear side part (23),
The cylindrical body (20) has a cutter slot (30) having a concave shape on the cutter insertion side (22),
A cutter position fixing structure (40) is provided in a portion corresponding to the cutter slot (30) inside the cylindrical body (20),
The cutter position fixing structure (40) includes a cylindrical seat (41), a position fixing ball (42) fitted in a through hole (410) on one side of the cylindrical seat (41), and a flexible push-up. A structure part (43),
The flexible push-up structure (43) pushes the position fixing ball (42) outward, protrudes outward from the through hole (410), and fixes the position of the cutter (80),
The first opening side (51) penetrating the rear side portion (23) of the cylindrical body (20) and the cutter slot (30) are communicated with the one side-aligned portion of the cylindrical body (20). An auxiliary part placement part (50) for removal consisting of two opening sides (52) is formed,
The auxiliary part for removing part (50) is fitted with an auxiliary part for removal (60) which has a passive side (61) and a pressing side (62) and has a limited range and is slid. It is provided together,
The passive side (61) of the auxiliary part for removal (60) protrudes to the first opening side (51),
By pushing the passive side (61) of the auxiliary part for removal (60) into the first opening side (51), the pressing side (62) of the auxiliary part for removal (60) is moved to the second side. It protrudes to the opening side (52), enters the cutter slot (30), pushes the cutter (80) inserted into the cutter slot (30) outward, and removes the cutter (80). Cutter socket that performs an auxiliary function. An opening hole (24) is formed in the center of the rear side part (23) of the cylindrical body (20),
On the back side of the opening hole (24), a flange portion (25) protruding to the center side of the opening hole (24) is formed,
An inner wall (411) is formed at the base of the cylindrical seat (41) of the cutter position fixing structure (40), and the inner wall (411) is in contact with the inner wall edge (25),
The flexible push-up structure (43) includes a spring (431) and a push block (432).
A conical edge portion (433) is formed on the tip side of the push block (432), which is in contact with the position fixing ball (42),
The spring (431) is incorporated between the push block (432) and the inner wall (411) and pushes up the push block (432) in the direction of the cutter insertion side 22. Item 1. A cutter socket according to Item 1.   The cutter socket according to claim 1, wherein the removal auxiliary part placing portion (50) has a columnar shape. The removal auxiliary part (60) has a convex ring edge (63) formed in a portion near the passive side (61),
The removal auxiliary part placing part (50) is formed with an expansion slot (53) for guiding movement for guiding the displacement of the convex ring edge (63) on the first opening side (51), and A stop ring (54) for locking the convex ring edge (63) is fixed to the opening side of the expansion slot (53), and the range in which the auxiliary part for removal (60) moves is limited. The cutter socket according to claim 1, wherein the removal auxiliary part (60) is prevented from coming out of the removal auxiliary part placing part (50). A push-up spring (70) is provided between the convex ring edge (63) and the back side wall (53a) of the expansion slot (53);
The cutter according to claim 1, wherein the push-up spring (70) moves the auxiliary part (60) for removal in the direction of the passive side (61) and resets it in the direction of the passive side (61). Socket.

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