KR102378702B1 - A Workpiece Holding Assembly - Google Patents

Abstract

The present invention relates to a workpiece holding assembly, comprising: a body part formed in a rectangular parallelepiped, and having a sliding hole penetrating the inside; a first slide part formed in a bar shape corresponding to the shape of the sliding hole, having a first groove formed at one end thereof, and sliding along the sliding hole; a second slide part formed to correspond to the first slide part, and having a second groove formed in a part contacting the first slide part to correspond to the first groove; a shaft part passing through the first slide part and the second slide part to move the first slide part and the second slide part; a first stopper groove formed at one end of the edge of an upper end of the other end of the first slide part in the longitudinal direction of the first slide part; a second stopper groove formed at one end of the edge of an upper end of the other end of the second slide part in the longitudinal direction of the second slide part; a first stopper inserted into the first stopper groove and fixed to the body part; and a second stopper inserted into the second stopper groove and fixed to the body part. By the movement of the shaft part, the first slide part and the second slide part are moved to approach or be separate from each other, and the fastening part of a workpiece is engaged with the first groove and the second groove to be coupled thereto. Therefore, the workpiece holding assembly can securely fix the workpiece to a machine tool with a simple operation.

Description

A Workpiece Holding Assembly

The present invention relates to a workpiece holding assembly, and more particularly, to a workpiece holding assembly for simply and safely fixing a workpiece and installing it on a machine tool.

A machining center is a complex machine tool that can process several types of processing (boring processing, milling processing, drilling processing, etc.) with one machine. The alignment of the workpiece must be ensured.

In other words, when the alignment of the workpiece with respect to the machining center is secured, the tool of the machining center can automatically process the workpiece in the desired shape. should take precedence

In order to align and fix the workpiece in the conventional machining center, the operator must repeatedly perform the workpiece aligning operation whenever the workpiece is replaced using precision measuring equipment, etc. in a state in which the operation of the machining center is stopped. There is a problem in that the operation rate of the machining center is significantly lowered.

Registered Patent No. 10-1935324

In order to solve the above problems, an object of the present invention is to provide a workpiece holding assembly for safely fixing a workpiece to a machine tool by a simple operation.

In order to achieve the above object, the work holding assembly according to the present invention includes a body portion formed in a rectangular parallelepiped and having a sliding ball penetrating therein, and a bar shape corresponding to the shape of the sliding ball, and is formed at one end of the first A first slide portion having a groove and sliding along the sliding ball, and formed to correspond to the first slide portion, and a second groove corresponding to the first groove is formed in a portion in contact with the first slide portion A second slide portion, a shaft portion passing through the first slide portion and the second slide portion to move the first slide portion and the second slide portion, and the first A first stopper groove in which a groove is formed in the longitudinal direction of the slide part, a second stopper groove in which a groove is formed in the longitudinal direction of the second slide part at one edge of the upper end of the other end of the second slide part, and inserted into the first stopper groove and a first stopper fixed to the body portion and a second stopper inserted into the second stopper groove and fixed to the body portion, wherein the first slide portion and the second slide portion are moved by the shaft portion. They move to approach or spaced apart from each other, and the fastening portions of the workpiece are engaged with each other in the first groove and the second groove.

The first slide part includes a first slide body formed in a rectangular column, and a 1-1 center slide provided in a bar shape and elastically supported in the moving direction of the first slide body at the central portion of the tip of the first slide body. And, provided on one side of the front end of the 1-1 center slide, the first and second side slides are provided on the other side of the front end of the 1-1 center slide, and the first and second side slides are provided on the other side of the front end of the 1-1 center slide to be elastically supported in an inclined direction with respect to the moving direction of the first slide body. It characterized in that it includes 1-3 first side slides for elastically supporting inclined with respect to the moving direction of the first slide body.

The second slide unit includes a second slide body formed in a rectangular column, and a 2-1 center slide provided in a bar shape and elastically supported in the moving direction of the second slide body at the central portion of the tip of the second slide body. and a 2-2 second side slide provided on one side of the front end of the 2-1 center slide and elastically supported in an inclined manner with respect to the traveling direction of the second slide body, and provided on the other side of the front end of the 2-1 center slide It characterized in that it includes a second 2-3 side slides for elastically supporting inclined with respect to the moving direction of the second slide body.

In the present invention, the work holding assembly has the following effects.

There is an advantage in that the slide unit to which the fastening part of the workpiece is fixed is stably fixed to the work holding assembly by separately supporting the front surface of the fastening part.

1 is a perspective view showing a preferred embodiment of the configuration of the workpiece holding assembly according to the present invention.
Figure 2 is an exploded perspective view showing a preferred embodiment of the configuration of the workpiece holding assembly according to the present invention.
Figure 3 is an exploded perspective view showing a preferred embodiment of the configuration of the workpiece holding assembly according to the present invention.
Figure 4 is a side cross-sectional view showing a preferred embodiment of the configuration of the workpiece holding assembly according to the present invention.
5 is a plan view showing the configuration of the first slide part and the second slide part constituting the workpiece holding assembly according to the present invention;

Hereinafter, a preferred embodiment of the work holding assembly according to the present invention will be described in detail with reference to the accompanying drawings.

The work holding assembly of the present invention, as shown in Fig. 1, is formed in a rectangular parallelepiped and has a body portion 10 having a sliding hole 12 penetrating therethrough, and a body portion 10 corresponding to the shape of the sliding hole 12. The first slide portion 20 is formed in a bar shape, the first groove 22 is formed at one end and slides along the sliding hole 12, and is formed to correspond to the first slide portion 20, and the A second slide portion 30 in which a second groove 32 corresponding to the first groove 22 is formed in a portion in contact with the first slide portion 20; A shaft portion 40 that passes through the second slide portion 30 to move the first slide portion 20 and the second slide portion 30, and one edge of the upper end of the other end of the first slide portion 20 The first stopper groove 24 in which a groove is formed in the longitudinal direction of the first slide part 20, and the second slide part 30 at one end of the edge of the upper end of the other end of the second slide part 30 a second stopper groove (34) in which a groove is formed in the longitudinal direction of a, a first stopper (26) inserted into the first stopper groove (24) and fixed to the body part (10), and the second stopper groove It may include a second stopper (36) inserted into the (34) and fixed to the body (10).

The body portion 10 is provided in the workpiece holding assembly according to the present invention. The body portion 10 is formed as a rectangular parallelepiped, and the sliding hole 12 is formed through the inside. A fastening groove 14 into which a fastener M to be described below is inserted is provided on the upper surface of the body 10, and the fastener M is formed by the slides 20 and 30 moving along the sliding hole 12. ) is fixed to the body portion (10).

A plurality of fixing grooves are formed in the body portion 10 to be fastened to and fixed to various work tables.

A first slide portion 20 is provided on the body portion 10 . The first slide part 20 is formed in a bar shape that engages with the shape of the sliding hole 12 to be movable along the sliding hole 12 .

A first groove 22 is formed at one end of the first slide part 20 . The first groove 22 is engaged with the workpiece holding assembly according to the present invention corresponding to the shape of the fastening part M of the workpiece to connect the fastening part M with the first groove 22 and a second to be described below. It serves to fix to the groove (32).

A second slide part 30 is provided in the sliding hole 12 . The second slide part 30 is formed in a shape corresponding to the first slide part 20 . That is, the second slide part 20 is formed in a bar shape that engages with the shape of the sliding hole 12 to be movable along the sliding hole 12 .

A second groove 32 is formed at one end of the second slide part 30 . The second groove 32 is formed to face the first groove 22 of the first slide portion 20, and is engaged with the workpiece holding assembly according to the present invention to correspond to the shape of the fastening portion M of the workpiece. It serves to fix the fastening part to the first groove 22 and the second groove 32 .

Meanwhile, the first slide unit 20 and the second slide unit 30 may be configured in another embodiment as shown in FIG. 5 .

It is possible to stably fix the fastener M by being separated into several front ends of the first slide part 20 and the second slide part 30 to support the fastener M in various directions.

To this end, the first slide unit 20 includes a first slide body 26 formed in a quadrangular prism, and a bar-shaped first slide body at the center of the tip of the first slide body 22 ( 26), the elastic support in the moving direction is provided at one side of the 1-1 central slide 27 and the tip of the 1-1 central slide 27 so as to be inclined with respect to the moving direction of the first slide body 26. The first 1-2 side slides 28 elastically supported, and the first 1- which are provided on the other side of the front end of the 1-1 center slide 27 and elastically supported at an angle with respect to the moving direction of the first slide body 22 3 side slides 29; may be included.

A first slide body 26 is provided on the first slide unit 20 . The first slide body 26 is formed in a square pillar.

A 1-1 center slide 27 is provided at the front end of the first slide body 26 . The 1-1 central slide 27 is provided in the shape of a bar, and is elastically supported in the moving direction of the first slide body 27 at the central portion of the tip of the first slide body 26, so that the fastener (M) ) serves to support one side of the

The 1-1 center slide 27 supports one side of the fastener M in a direction opposite to the 2-1 center slide 37 of the second slide body 36 to be described below. do.

An elastic member (27a) is provided between the 1-1 center slide (27) and the first slide body (26). The elastic member (27a) allows the 1-1 central slide (27) to be elastically supported in the front of the first slide body (26).

In addition, the first and second side slides 28 are provided on one side of the 1-1 center slide 27 . The first and second side slides 28 are elastically supported in a direction inclined with respect to the traveling direction of the first slide body 26 to support the other side of the fastener M. As shown in FIG.

As shown in FIG. 5, the leading edge of the first slide body 26 is formed to protrude. The front end of the first and second side slides 28 is formed in a shape corresponding to the other side of the fastener M, and the rear end of the first and second side slides 28 is the first slide body 26 ) is formed to correspond to the protruding surface of the tip edge.

The protruding surface of the leading edge of the first slide body 26 is formed as an inclined surface, and the rear surface of the first and second side slides 28 is also formed as a corresponding inclined surface. However, it is formed so that the inclination of the inclined surface of the first and second side slides 28 is relatively large with respect to the inclined surface of the first slide body 26 . This is so that when the first slide body 26 proceeds in the direction of the fastener M, the first and second side slides 28 are more closely attached to the side surface of the fastener M.

An elastic member 28a is provided between the first and second side slides 28 and the first slide body 26 . The elastic member (28a) allows the first and second side slides (28) to be elastically supported in the lateral direction of the fastener (M).

In addition, a 1-3 lateral slide 29 is provided on the other side of the 1-1 center slide 27 . It serves to support the other side of the fastener (M) by elastically supporting it along with the first and second side slides 28 in the moving direction and the inclined direction of the 1-1 center slide 27 .

As shown in FIG. 5, the leading edge of the first slide body 26 is formed to protrude. The front end of the 1-3 lateral slide 29 is formed in a shape corresponding to the other side of the fastener M, and the rear end of the 1-3 lateral slide 29 is the first slide body 26 ) is formed to correspond to the protruding surface of the tip edge.

The protruding surface of the leading edge of the first slide body 26 is formed as an inclined surface, and the rear surface of the 1-3 lateral slides 29 is also formed as a corresponding inclined surface. However, it is formed so that the inclination of the inclined surface of the 1-3 side slides 29 is relatively large with respect to the inclined surface of the first slide body 26 . This is so that when the first slide body 26 proceeds in the direction of the fastener M, the 1-3 lateral slides 29 are more closely attached to the side surface of the fastener M.

An elastic member (29a) is provided between the 1-3 side slides (29) and the first slide body (26). The elastic member 29a allows the 1-3 lateral slides 29 to be elastically supported in the lateral direction of the fastener M. As shown in FIG.

In addition, the second slide unit 30 includes a second slide body 36 formed in a quadrangular prism, and a bar shape provided at a central portion of the tip of the second slide body 36, the second slide body ( The elastic support in the moving direction of 36) is provided on one side of the 2-1 th central slide 37 and the tip of the 2-1 th central slide 37 so as to be inclined with respect to the moving direction of the second slide body 36. The second-second side slide 38 elastically supported, and the second-second elastic support provided at the other side of the front end of the second-first central slide 37 to be inclined with respect to the moving direction of the second slide body 36. It may include three side slides (39).

A second slide body 36 is provided on the second slide unit 30 . The second slide body 36 is formed in a quadrangular prism.

A 2-1 central slide (37) is provided at the front end of the second slide body (36). The second-first central slide 37 is provided in a bar shape, and is elastically supported in the moving direction of the second slide body 36 at the central portion of the front end of the second slide body 36, so that the fastener (M) ) serves to support one side of the

The 2-1 central slide 37 supports one side of the fastener M in a direction opposite to the 1-1 central slide 27 of the first slide body 26 .

An elastic member (37a) is provided between the second-first central slide (37) and the second slide body (36). The elastic member (37a) allows the second-first central slide (37) to be elastically supported in the front of the second slide body (36).

In addition, a 2-2 lateral slide 38 is provided on one side of the 2-1 th central slide 37 . The 2-2 second side slide 38 serves to support the other side of the fastener M by elastically supporting it in a direction inclined with respect to the traveling direction of the second slide body 36 .

5, the leading edge of the second slide body 36 is formed to protrude. The front end of the 2-2nd side slide 38 is formed in a shape corresponding to the other side of the fastener M, and the rear end of the 2-2nd side slide 38 is the second slide body 36 ) is formed to correspond to the protruding surface of the tip edge.

The protruding surface of the leading edge of the second slide body 36 is formed as an inclined surface, and the rear surface of the 2-2 second side slide 38 is also formed as a corresponding inclined surface. However, the inclination of the inclined surface of the 2-2 second side slide 38 with respect to the inclined surface of the second slide body 36 is formed to be relatively large. This is so that when the second slide body 36 proceeds in the direction of the fastener M, the 2-2 second side slide 38 is further brought into close contact with the side surface of the fastener M.

An elastic member 38a is provided between the 2-2 second side slide 38 and the second slide body 36 . The elastic member (38a) allows the second-second side slide (38) to be elastically supported in the lateral direction of the fastener (M).

And, the second 2-3 side slide 39 is provided on the other side of the 2-1 center slide 37 . It serves to support the other side of the fastener (M) by elastically supporting the second-second side slide (38) together with the moving direction and the inclined direction of the second-first center slide (37).

5, the leading edge of the second slide body 36 is formed to protrude. The front end of the second 2-3 side slide 39 is formed in a shape corresponding to the other side of the fastener M, and the rear end of the second 2-3 side slide 39 is the second slide body 36 ) is formed to correspond to the protruding surface of the tip edge.

The protruding surface of the leading edge of the second slide body 36 is formed as an inclined surface, and the rear surface of the second 2-3 side slide 39 is also formed as a corresponding inclined surface. However, it is formed so that the inclination of the inclined surface of the second 2-3 side slide 39 is relatively large with respect to the inclined surface of the second slide body 36 . This is so that when the second slide body 36 proceeds in the direction of the fastener M, the second and third side slides 39 are more closely attached to the side surface of the fastener M.

An elastic member (39a) is provided between the second 2-3 side slide (39) and the second slide body (36). The elastic member (39a) allows the second and third side slides (39) to be elastically supported in the lateral direction of the fastener (M).

A shaft portion 40 is provided in the first slide portion 20 and the second slide portion 30 . The shaft part 40 is installed to pass through the first slide part 20 and the second slide part 30, and as the shaft part 40 rotates, the first slide part 20 and the second slide part 30 are rotated. The slide part 30 is configured to approach or separate from each other at the same time.

The power transmission structure of the shaft portion 40, the first slide portion 20, and the second slide portion 30 may be any means capable of transmitting power in the manner described above.

The shaft portion 40 may be located relatively lower inside the first slide portion 20 and the second slide portion 30 . This is to prevent interference with the center slide and the side slides.

In addition, a first stopper groove 24 is provided in the first slide unit 20 . The first stopper groove 24 limits the range in which the first slide part 20 moves in the slide hole 12, and is located at one end of the upper end of the other end of the first slide part 20. It is formed as a groove in the longitudinal direction of the first slide portion (20).

A first stopper 25 is provided in the first stopper groove 24 . The first stopper 25 is inserted into the first stopper groove 24 and fixed to the body portion 10, and is engaged with the first stopper groove 24 so that the first slide portion 20 is moved. limit the scope

A second stopper groove 34 is provided in the second slide part 30 . The second stopper groove 34 limits the range in which the second slide part 30 moves in the slide hole 12 , and is located at one end of the edge of the other end of the second slide part 30 . It is formed as a groove in the longitudinal direction of the second slide portion (30).

A second stopper 35 is provided in the second stopper groove 34 . The second stopper 35 is inserted into the second stopper groove 34 and fixed to the body portion 10, and is engaged with the second stopper groove 34 to move the second slide portion 30. limit the scope

Hereinafter, the operation of the workpiece holding assembly according to the present invention will be described in detail.

After fixing the work holding assembly according to the present invention to the work bench, the shaft portion 40 is rotated using a wrench or the like. The first slide part 20 and the second slide part 30 are spaced apart from each other by the rotation of the shaft part 40 .

Then, after inserting the fastener (M) into the fastening groove (14) of the body part (10), the first slide part (20) by rotating the shaft part (40) in the opposite direction using the wrench or the like and the second slide part 30 to approach each other.

When the first slide part 20 approaches the fastener M, the 1-1 center slide 27, the 1-2 side slides 28 and the second formed of the first slide part 20 are formed. 1-3 While the side slide 29 is in close contact with the edge of the fastener M, the fastener M is fixed to the holder assembly of the present invention.

In particular, the first and second lateral slides 28 and 1-3 lateral slides 29 are in contact with the inclined surface of the first slide part 20 and the edge of the fastener M by an elastic member. completely adhered to

In addition, when the second slide unit 30 approaches the fastener M, the 2-1 center slide 37 and the 2-2 side slide 38 formed of the second slide unit 30 are formed. And the second 2-3 side slide 39 is in close contact with the edge of the fastener (M) to fix the fastener (M) to the holder assembly of the present invention.

In particular, the 2-2nd side slide 38 and the 2-3rd side slide 39 contact the inclined surface of the second slide part 30 and the edge of the fastener M by the elastic member. completely adhered to

As such, those skilled in the art to which the present invention pertains will understand that the above-described technical configuration of the present invention may be implemented in other specific forms without changing the technical spirit or essential characteristics of the present invention.

Therefore, the embodiments described above are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the following claims rather than the above detailed description, and the meaning and scope of the claims and their All changes or modifications derived from the concept of equivalents should be construed as being included in the scope of the present invention.

10: body 12: slide ball
14: fastening groove 20: first slide
22: first groove 24: first stopper groove
25: first stopper 26: first slide body
27: No. 1-1 center slide 28: No. 1-2 side slide
29: 1-3 side slide 30: second slide
32: second groove 34: second stopper groove
35: second stopper 36: second slide body
37: No. 2-1 center slide 38: No. 2-2 side slide
39: second 2-3 side slide 40: shaft
M: fastener

Claims (3)

a body portion formed in a rectangular parallelepiped and having a sliding ball penetrating therethrough;
a first slide part formed in a bar shape corresponding to the shape of the sliding ball, having a first groove formed at one end and sliding along the sliding ball;
a second slide portion formed to correspond to the first slide portion and having a second groove corresponding to the first groove formed in a portion in contact with the first slide portion;
a shaft part passing through the first slide part and the second slide part to move the first slide part and the second slide part;
a first stopper groove in which a groove is formed in the longitudinal direction of the first slide part at one end of the edge of the upper end of the other end of the first slide part;
a second stopper groove in which a groove is formed in the longitudinal direction of the second slide part at one end of the edge of the upper end of the other end of the second slide part;
a first stopper inserted into the first stopper groove and fixed to the body part; and
a second stopper inserted into the second stopper groove and fixed to the body part;
The first slide part and the second slide part move so as to approach or separate from each other by the movement of the shaft part, and the fastening part of the workpiece is engaged with each other and coupled to the first groove and the second groove. holding assembly. The method of claim 1,
The first slide part,
A first slide body formed of a square pillar;
a 1-1 center slide provided in a bar shape and elastically supported in a moving direction of the first slide body at a central portion of the front end of the first slide body;
first and second side slides provided on one side of the front end of the 1-1 center slide and elastically supported to be inclined with respect to the moving direction of the first slide body; and
1-3 lateral slides provided on the other side of the front end of the 1-1 center slide and elastically supported to be inclined with respect to the moving direction of the first slide body;
A workpiece holding assembly comprising a. The method of claim 1,
The second slide part,
a second slide body formed as a square pillar;
a 2-1 central slide provided in a bar shape and elastically supported in a moving direction of the second slide body at a central portion of the front end of the second slide body;
a 2-2 side slide provided at one side of the front end of the 2-1 center slide and elastically supported in an inclined manner with respect to the moving direction of the second slide body; and
a second 2-3 side slide provided on the other side of the front end of the 2-1 first central slide and elastically supported in an inclined direction with respect to the moving direction of the second slide body;
A workpiece holding assembly comprising a.

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