CN219901860U - Positioning jig - Google Patents

Abstract

The utility model discloses a positioning jig, which comprises: the jig comprises a jig body, a pushing block and a sliding block, wherein the jig body is provided with a clamping groove and a sliding groove, one end of the sliding groove is communicated with the clamping groove, the pushing block and the sliding block are located in the sliding groove, one side of the pushing block is provided with an inclined plane group, and one side of the sliding block is provided with a matching surface group which is mutually contacted with the inclined plane group. When clamping, place the work piece in the draw-in groove, then control the ejector pad along first direction removes to promote the slider and remove along the second direction, the work piece is supported tightly on the draw-in groove under the thrust effect of slider, when the work piece is lifted off to needs, reverse removal ejector pad, can loosen the work piece, then take out the work piece from the draw-in groove can, wherein at clamping or dismantle the in-process of work piece, only need the user put into the draw-in groove with the work piece, then start the ejector pad can, need not other operations, consequently can effectively improve clamping efficiency, and then improve production efficiency.

Description

Positioning jig

Technical Field

The utility model relates to the technical field of machinery, in particular to a positioning jig.

Background

The jig is a device commonly used in the manufacturing field, and can position and fix a workpiece so as to ensure the position stability of the workpiece during processing.

When the existing jig clamps the workpiece, the workpiece is required to be placed on the supporting piece, and then the workpiece is pressed on the supporting piece through the pressing piece. Wherein the pressing member is required to be detached before the workpiece is placed on the support member, and the pressing member is assembled on the support member after the workpiece is positioned, so as to press the workpiece. Therefore, in the process of clamping the workpiece, the operation is complicated, the clamping efficiency is low, and the production efficiency is reduced.

Therefore, how to provide a positioning fixture convenient for clamping a workpiece is a technical problem that needs to be solved currently by a person skilled in the art.

Disclosure of Invention

The utility model aims to provide a positioning jig which can improve clamping convenience.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a positioning jig, comprising:

the jig comprises a jig body, a clamping groove and a sliding groove, wherein the clamping groove is used for accommodating a workpiece, and one end of the sliding groove is communicated with the clamping groove;

the sliding block is positioned in the sliding groove, one side of the sliding block is provided with an inclined plane group, one side of the sliding block is provided with a matching surface group which is mutually contacted with the inclined plane group, and the sliding block is used for moving along a first direction so as to allow the inclined plane group to push against the matching surface group, thereby pushing the sliding block to move along a second direction so as to press against the workpiece on the clamping groove.

Preferably, a guide rail is arranged on one side of the push block, a guide groove is arranged on one side of the sliding block, and the guide rail is slidably connected in the guide groove.

Preferably, the jig further comprises an elastic member, one end of the elastic member is connected with the sliding block, and the elastic member is used for controlling the sliding block to reset.

Preferably, the other end of the elastic member is connected with the push block, and the extending and contracting direction of the elastic member is the same as the inclination direction of the inclined plane group and the matching surface group.

Preferably, a first accommodating groove is formed in one side, facing the sliding block, of the sliding block, a second accommodating groove is formed in one side, facing the sliding block, of the sliding block, and the elastic piece is arranged in the first accommodating groove and the second accommodating groove.

Preferably, the cross sections of the guide rail and the guide groove are T-shaped, or the cross sections of the guide rail and the guide groove are dovetail-shaped.

Preferably, the inclined plane group comprises a first inclined plane and a second inclined plane, the first inclined plane is positioned on one surface of the push block facing the sliding block, and the second inclined plane is positioned on one surface of the guide rail far away from the first inclined plane;

the matching surface group comprises a first matching surface and a second matching surface, the first matching surface is positioned on one surface of the sliding block facing the pushing block, and the second matching surface is positioned on one surface of the guiding groove facing the second inclined surface.

Preferably, the jig body is provided with a plurality of clamping grooves, the jig comprises a plurality of sliding blocks corresponding to the clamping grooves one by one, the sliding blocks are respectively positioned at the outer sides of the pushing blocks, and one pushing block is used for pushing the sliding blocks to synchronously move.

Preferably, the jig further comprises a supporting platform, wherein the supporting platform is used for supporting the bottom end of the workpiece.

Preferably, the jig further comprises a rotation driving member connected with the supporting platform for driving the supporting platform to rotate so as to rotate to or remove from below the workpiece.

Compared with the prior art, the technical scheme has the following advantages:

the utility model provides a positioning jig, which comprises: the jig comprises a jig body, a pushing block and a sliding block, wherein the jig body is provided with a clamping groove and a sliding groove, one end of the sliding groove is communicated with the clamping groove, the pushing block and the sliding block are located in the sliding groove, one side of the pushing block is provided with an inclined plane group, and one side of the sliding block is provided with a matching surface group which is mutually contacted with the inclined plane group. When clamping, place the work piece in the draw-in groove, then control the ejector pad and remove along first direction, thereby it supports the mating surface group to promote the slider and remove along the second direction, the work piece is supported tightly on the draw-in groove under the thrust effect of slider, when the work piece needs to be lifted off, reverse removal ejector pad, can loosen the work piece, then take out the work piece from the draw-in groove can, wherein at the in-process of clamping or dismantling the work piece, only need the user put into the draw-in groove with the work piece, then start the ejector pad can, need not other operations, consequently, can effectively improve clamping efficiency, and then improve production efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a positioning fixture according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram illustrating a positioning fixture according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a part of the fixture body of FIG. 1;

FIG. 4 is a schematic diagram of the cooperation structure of the push block and the slider in FIG. 3;

FIG. 5 is a schematic diagram of the push block in FIG. 3;

fig. 6 is a schematic structural view of the slider in fig. 3.

The reference numerals are as follows:

100 is a positioning jig;

10 is a jig body, 11 is a clamping groove, 111 is a bearing inclined plane, and 12 is a chute;

20 is a pushing block, 21 is an inclined plane group, 211 is a first inclined plane, 212 is a second inclined plane, 22 is a guide rail, 23 is a groove, and 24 is a first accommodating groove;

30 is a sliding block, 31 is a matching surface group, 311 is a first matching surface, 312 is a second matching surface, 32 is a guide groove, 33 is a second containing groove, and 34 is a convex edge;

40 is a linear driving member;

50 is a mounting frame;

60 is a mounting seat;

70 is a workpiece, 71 is an abutment surface;

80 are elastic members.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Please refer to fig. 1-6.

The positioning jig 100 provided by the embodiment of the utility model comprises: the jig comprises a jig body 10, a push block 20 and a slide block 30, wherein the jig body 10 is used for installing a workpiece 70, the push block 20 and the slide block 30 are slidably arranged on the jig body 10, and the push block 20 can push the slide block 30 to move so as to prop against the workpiece 70 installed on the jig body 10.

Specifically, the jig body 10 is provided with a clamping groove 11 and a sliding groove 12, one end of the sliding groove 12 is communicated with the clamping groove 11, and the clamping groove 11 is used for accommodating the workpiece 70. The push block 20 and the slide block 30 are slidingly accommodated in the chute 12, one side of the push block 20 is provided with an inclined plane group 21, and one side of the slide block 30 is provided with a matching surface group 31 which is mutually contacted with the inclined plane group 21. When the first inclined surface 21 of the push block 20 slides relative to the second inclined surface 31 of the slide block 30, the push block 20 is allowed to push the slide block 30 to press towards the workpiece 70, so as to firmly clamp the workpiece 70 in the clamping groove 11.

In order to drive the pushing block 20 to move, the positioning jig 100 is further provided with a linear driving member 40 to improve the automation level, the linear driving member 40 is preferably an air cylinder, the telescopic end of the air cylinder is connected with the pushing block 20, specifically, the pushing block 20 and the telescopic end of the air cylinder can be fixed by adopting bolts, and the linear driving member 40 can also select an oil cylinder or a linear motor besides selecting the air cylinder.

When clamping is performed, the workpiece 70 is placed in the clamping groove 11, then the push block 20 is controlled to move along the first direction so as to push the slide block 30 to move along the second direction, the first direction is vertical to the second direction, as shown in fig. 3 and 4, the second direction is horizontal, when the push block 20 moves downwards along the vertical direction, as one surface of the push block 20, which is contacted with the slide block 30, is an inclined surface, the slide block 30 moves towards the horizontal direction far away from the push block 20, namely, the direction close to the workpiece 70, and the first direction is vertical, the second direction is horizontal only by taking fig. 3 and 4 as an example, in specific application, the positioning jig 100 can be horizontally arranged, at the moment, the first direction is horizontal, the second direction is vertical, and of course, the horizontal direction and the vertical direction are only two directions in vertical relation, and in practical use, as long as the first direction and the second direction are vertical relations, the push block 20 is guaranteed, the workpiece 70 is abutted against the inner wall of the clamping groove 11 under the thrust action of the slide block 30, namely, the workpiece 70 can be dismounted from the clamping groove 70, and then the clamping efficiency can be effectively improved, and the workpiece 70 can be dismounted from the clamping groove 20 or the clamping groove is required to be dismounted, and the clamping efficiency is improved.

In order to make the sliding of the push block 20 relative to the slide block 30 more stable, in some embodiments of the present utility model, a guide rail 22 is provided on one side of the push block 20, a guide groove 32 is provided on one side of the slide block 30, and the guide rail 22 is slidably connected in the guide groove 32, that is, the guide rail 22 and the guide groove 32 are provided on the opposite side of the push block 20 and the slide block 30. As shown in fig. 2, 3 and 4, when the push block 20 moves downward in the vertical direction, the guide rail 22 moves downward in the guide groove 32 while the slider 30 moves toward the workpiece in the horizontal direction. Under the limiting action of the guide rail 22 and the guide groove 32, the push block 20 and the sliding block 30 are always contacted, so that the stability of the movement of the push block 20 and the sliding block 30 is improved through the guide rail 22 and the guide groove 32. The cross sections of the guide rail 22 and the guide groove 32 are T-shaped, or the cross sections of the guide rail 22 and the guide groove 32 are dovetail-shaped, and the T-shaped or the dovetail-shaped cross sections are mainly used for preventing the two from being separated in the horizontal direction, so that the push block 20 is influenced to push the slide block 30, and the T-shaped or the dovetail-shaped cross sections are only preferable, and other structures capable of limiting the separation of the two can be adopted.

In some embodiments of the present utility model, the positioning jig 100 further includes an elastic member 80, one end of the elastic member 80 is abutted against the slider 30, the elastic member 80 can control the slider 30 to reset, wherein the other end of the elastic member 80 can be abutted against the push block 20 and can also be connected with the jig body 10, and when the push block 20 pushes the slider 30 to move towards the clamping groove 11, the elastic member 80 generates elastic deformation; when the push block 20 moves reversely under the elastic force of the elastic member 80, the slide block 30 is allowed to move in a direction away from the workpiece 70, so as to achieve the purpose of loosening the workpiece 70, thereby facilitating the user to take out the workpiece 70 from the clamping groove 11.

One end of the elastic member 80 may be fixedly connected with the slider 30 or may be abutted together, the other end of the elastic member 80 is connected with the push block 20, and the extending and contracting direction of the elastic member 80 is the same as the inclining direction of the inclined plane group 21 and the mating plane group 31. Specifically, the first inclined surface 21 of the push block 20 facing the slide block 30 is provided with a first accommodating groove 24, the guide groove 32 of the slide block 30 facing the push block 20 is provided with a second accommodating groove 33, the elastic element 80 is arranged in the first accommodating groove 24 and the second accommodating groove 33, when the push block 20 moves downwards, the elastic element 80 is compressed, and when the push block 20 moves upwards, the elastic element 80 resets and drives the slide block 30 to move. As shown in fig. 5, the inclined plane group 21 on the push block 20 includes a first inclined plane 211 and a second inclined plane 212, the first inclined plane 211 is located on one surface of the push block 20 facing the slide block 30, the second inclined plane 212 is located on one surface of the guide rail 22 far away from the first inclined plane, grooves 24 penetrating up and down are respectively arranged on two sides of the guide rail 22, a first accommodating groove 23 is arranged on the guide rail 22 and near the lower end of the second inclined plane 212, and the first accommodating groove 23 is open towards the side surface and the lower end of the slide block 30; as shown in fig. 6, the mating surface group 31 on the slider 30 includes a first mating surface 311 and a second mating surface 312, the first mating surface 311 is located on a surface of the slider 30 facing the push block 20, the second mating surface 312 is located on a surface of the guide groove 32 facing the second inclined surface 212, a protruding edge 34 is disposed at an opening of the guide groove 32 facing one side of the push block 20, the protruding edge 34 is mated with the groove 24, the second accommodating groove 33 is disposed in the second mating surface 312 of the guide groove 32, the first inclined surface 211 on the push block 20 and the first mating surface 311 on the slider 30 are in contact with each other, and the second inclined surface 212 on the guide rail 21 and the second mating surface 312 in the guide groove 32 are in contact with each other.

In order to improve the working efficiency, in some embodiments of the present utility model, at least one push block 20, a plurality of clamping grooves 11 and a plurality of sliding blocks 30 corresponding to the clamping grooves 11 one by one are disposed on the jig body 10, for example, one push block 20, two clamping grooves 11 and two sliding blocks 30 may be disposed on the jig body 10, the two sliding blocks 30 are respectively located at two sides of the push block 20, and one push block 20 may push the two sliding blocks 30 to move synchronously. As shown in fig. 1 and 2, four clamping grooves 11, four sliding blocks 30 and two pushing blocks 20 are arranged on the jig body 10, one pushing block 20 is provided with two sliding blocks 30 and two clamping grooves 11, namely, the left side and the right side of one pushing block 20 respectively correspond to one sliding block, and the two pushing blocks 20 can move independently, namely, one linear driving piece 40 is connected with one pushing block 20. In addition, in addition to the sliding blocks 30 disposed on the left and right sides of the push block 20, a sliding block 30 may be disposed on the front and rear sides of the push block 20. In addition, other numbers of clamping grooves 11 can be arranged on the jig body 10, and the number of the clamping grooves can be specifically selected according to actual needs. When clamping is performed, one workpiece 70 is placed in each clamping groove 11, and then the pushing block 20 is controlled to move so as to push each sliding block 30 to move, so that synchronous clamping operation of a plurality of workpieces 70 is realized, and the clamping efficiency can be remarkably improved.

In some embodiments of the present utility model, the shape of the card slot 11 matches the shape of the workpiece 70. The inner side of the clamping groove 11 is provided with a bearing inclined surface 111, the bearing inclined surface 111 inclines relative to the second direction, and the outer side of the workpiece 70 is provided with an abutting inclined surface 71 corresponding to the bearing inclined surface 111. For example, the cross section of the clamping groove 11 is a trapezoid, the front side and the rear side of the clamping groove 11 are bearing inclined planes 111, the large end of the trapezoid is communicated with the sliding groove 12, the cross section of the workpiece 70 is correspondingly trapezoid, when clamping is performed, the workpiece 70 is arranged in the clamping groove 11 in a penetrating mode, then the workpiece 70 is clamped, when the sliding block 20 pushes the sliding block 30 to move in the sliding groove 12 towards the clamping groove 11, one end, away from the sliding block 20, of the sliding block 30 is contacted with the surface of the workpiece 70, along with the continued movement of the sliding block 30, the abutting inclined planes 71 of the workpiece 70 can be abutted against the bearing inclined planes 111 in the clamping groove 11, when the cross sections of the clamping groove 11 and the workpiece 70 are isosceles trapezium, the two abutting inclined planes 71 of the workpiece 70 can be supported by the bearing inclined planes 111 of the clamping groove 11, wherein one surface, away from the sliding block 20, of the workpiece 70 can not be contacted with the inner wall of the clamping groove 11, namely, the thickness, along the second direction, of the workpiece 70 is smaller than the thickness of the clamping groove 11, and the purpose of the workpiece 70 is to adapt to workpieces 70 with different sizes, and improve the clamping stability of the workpiece 70. The cross sections of the clamping groove 11 and the workpiece 70 are trapezoidal, and other shapes of the clamping groove 11 and the workpiece 70 may be selected, so long as the clamping groove 11 is provided with the bearing inclined surface 111, and the workpiece 70 is provided with the abutting inclined surface 71.

In order to facilitate the installation of the jig body 10, an installation frame 50 may be provided on the jig body 10, so that the jig body 10 is in a cantilever state. The linear driving member 40 is mounted on the mounting frame 50, and a mounting seat 60 is provided at one side of the mounting frame 50, and the mounting seat 60 can be fixed on the machine tool by bolts.

In some embodiments of the present utility model, the positioning fixture 100 further includes a supporting platform, which is located below the fixture body 10, and can support the bottom end of the workpiece 70 to prevent the workpiece 70 from moving axially in the clamping groove 11. In addition, in order to facilitate the clamping and the unloading of the workpiece 70, the jig further comprises a rotary driving member, the rotary driving member is connected with the supporting platform, the rotary driving member can be a motor, the rotary driving member can drive the supporting platform to rotate, when the supporting platform rotates to the lower side of the workpiece 70, the workpiece 70 can be supported, after the workpiece 70 is machined, the supporting platform can be removed from the lower side of the workpiece 70, and then the workpiece 70 is taken out from the lower side of the clamping groove 11.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "bottom," "top," "front," "rear," "inner," "outer," "left," "right," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The positioning jig provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (10)

1. A positioning jig, its characterized in that includes:

the jig comprises a jig body (10) provided with a clamping groove (11) and a sliding groove (12), wherein the clamping groove (11) is used for accommodating a workpiece (70), and one end of the sliding groove (12) is communicated with the clamping groove (11);

the sliding block comprises a pushing block (20) and a sliding block (30), wherein the pushing block (20) and the sliding block (30) are located in a sliding groove (12), an inclined plane group (21) is arranged on one side of the pushing block (20), a matching surface group (31) which is mutually contacted with the inclined plane group (21) is arranged on one side of the sliding block (30), the pushing block (20) is used for moving along a first direction so as to allow the inclined plane group (21) to push against the matching surface group (31), and the sliding block (30) is pushed to move along a second direction so as to tightly press against a workpiece (70) on a clamping groove (11).

2. The positioning jig according to claim 1, wherein a guide rail (22) is provided on one side of the push block (20), a guide groove (32) is provided on one side of the slider (30), and the guide rail (22) is slidably connected in the guide groove (32).

3. The positioning jig according to claim 2, further comprising an elastic member (80), wherein one end of the elastic member (80) abuts against the slider (30), and the elastic member (80) is used for controlling the slider (30) to return.

4. A positioning jig according to claim 3, wherein the other end of the elastic member (80) abuts against the push block (20), and the expansion and contraction direction of the elastic member (80) is the same as the inclination direction of the inclined surface group (21) and the mating surface group (31).

5. The positioning jig according to claim 4, wherein a first accommodation groove (23) is provided on the push block (20) toward a guide rail (22) of the slider (30), a second accommodation groove (33) is provided on the slider (30) toward a guide groove (32) of the push block (20), and the elastic member (80) is disposed in the first accommodation groove (23) and the second accommodation groove (33).

6. The positioning jig according to claim 2, characterized in that the cross sections of the guide rail (22) and the guide groove (32) are T-shaped, or the cross sections of the guide rail (22) and the guide groove (32) are dovetail-shaped.

7. The positioning jig according to claim 2, wherein the inclined plane group (21) includes a first inclined plane (211) and a second inclined plane (212), the first inclined plane (211) being located on a face of the push block (20) facing the slider (30), the second inclined plane (212) being located on a face of the guide rail (22) away from the first inclined plane (211);

the matching surface group (31) comprises a first matching surface (311) and a second matching surface (312), the first matching surface (311) is positioned on one surface of the sliding block (30) facing the pushing block (20), and the second matching surface (312) is positioned on one surface of the guiding groove (32) facing the second inclined surface (212).

8. The positioning jig according to claim 1, wherein the jig body (10) is provided with a plurality of clamping grooves (11), the jig comprises a plurality of sliding blocks (30) corresponding to the clamping grooves (11) one by one, the sliding blocks (30) are respectively located at the outer sides of the pushing blocks (20), and one pushing block (20) is used for pushing the sliding blocks (30) to move synchronously.

9. The positioning jig according to any one of claims 1-8, further comprising a support platform for supporting a bottom end of the workpiece (70).

10. The positioning jig of claim 9, further comprising a rotary drive coupled to the support platform for driving the support platform to rotate to either rotate below the workpiece (70) or to be removed from below the workpiece (70).