CN216299047U

CN216299047U - Positioning jig

Info

Publication number: CN216299047U
Application number: CN202122080072.XU
Authority: CN
Inventors: 程增群; 杨文杰
Original assignee: Shenzhenshi Yuzhan Precision Technology Co Ltd
Current assignee: Fulian Yuzhan Technology Shenzhen Co Ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-04-15
Anticipated expiration: 2031-08-31

Abstract

The application relates to the field of jigs, specifically provides a positioning jig, including the tool body for place the work piece, the guide slot has been seted up on the upper portion of tool body, the tool body is adjacent the spout has been seted up to the side of guide slot, positioning jig still includes first impeller and side and pushes away the piece, first impeller set up with sliding in the guide slot. The side pushing piece is slidably arranged on the sliding groove, can be matched with the first pushing piece and drives the first pushing piece to slide, so that the first pushing piece and the jig body are matched with each other to abut against and fix the workpiece. In the positioning jig, the side pushing piece moves along the sliding groove and is matched with the first pushing piece, so that the first pushing piece is driven to move, the workpiece is fixed, and the workpiece is fixed simply and quickly.

Description

Positioning jig

Technical Field

The application relates to the tool field, especially relates to positioning jig.

Background

The jig is mainly used as a tool for assisting in controlling the position or the action. In the process of producing and processing a workpiece, in order to improve the processing accuracy of the workpiece or to maintain the position of the workpiece stable when the workpiece is conveyed, the workpiece generally needs to be fixed to a jig. The conventional jig is troublesome in workpiece fixing and easily affects the production efficiency.

SUMMERY OF THE UTILITY MODEL

In view of the above, a positioning fixture is needed, which is simple in workpiece fixing manner and convenient for improving production efficiency.

The embodiment of the application provides a positioning jig, including the tool body for place the work piece, the guide slot has been seted up on the upper portion of tool body, the tool body is adjacent the spout has been seted up to the side of guide slot, positioning jig still includes first impeller and side and pushes away the piece, first impeller set up in with sliding in the guide slot. The side pushing piece is slidably arranged on the sliding groove, can be matched with the first pushing piece and drives the first pushing piece to slide, so that the first pushing piece and the jig body are matched with each other to abut against and fix the workpiece.

In the positioning jig of the embodiment, the side pushing piece moves along the sliding groove and is matched with the first pushing piece so as to drive the first pushing piece to move, the first pushing piece is matched with the jig body to fix the workpiece, and the workpiece is fixed simply and quickly.

In at least one embodiment, the upper portion of the fixture body further defines a limiting groove, the positioning fixture further includes a second pushing member slidably disposed in the limiting groove, and the sliding direction of the second pushing member is parallel to the sliding direction of the side pushing member, and the second pushing member and the first pushing member cooperate with each other to support and fix the workpiece.

In the positioning fixture of the above embodiment, the first pushing member and the second pushing member contact with two adjacent sides of the workpiece, so as to improve the effect of fixing the workpiece. The sliding direction of the second pushing piece is parallel to that of the side pushing piece, so that the second pushing piece and the side pushing piece can be driven in the same direction at the same time, and the workpiece clamping efficiency of the first pushing piece and the second pushing piece is controlled to be high.

In at least one embodiment, the first pusher includes a guide portion that extends outside of the jig body. The side pushing piece comprises a sliding rod and a side pushing block, the sliding rod is slidably arranged on the sliding groove, the side pushing block is arranged on one side of the sliding rod, and the side pushing block is matched with the guide part and drives the first pushing piece to slide.

In the positioning fixture of the above embodiment, under the cooperation of the guide portion and the side push block, the slide rod can drive the first pushing member to move, and the sliding direction of the slide rod is parallel to the sliding direction of the second pushing member, and the second pushing member and the slide rod can be driven to move by applying a force towards the direction away from the fixture body, so that the second pushing member and the first pushing member simultaneously move towards the direction away from the fixture body, and the workpiece can be conveniently placed.

In at least one embodiment, the device further includes a first elastic member, the first elastic member is disposed in the guide slot, and one end of the first elastic member abuts against the first pushing member, and the other end of the first elastic member abuts against the guide slot.

In the positioning fixture of the above embodiment, when the side pushing element drives the first pushing element to move, the first pushing element pushes the first elastic element, so that when the side pushing element is separated from the first pushing element, the first elastic element applies an elastic deformation force to the first pushing element and pushes the first pushing element to move toward the workpiece, so that the first pushing element fixes the workpiece.

In at least one embodiment, the jig further comprises a second elastic member disposed in the sliding groove, and one end of the second elastic member abuts against the side pushing member, and the other end of the second elastic member abuts against the jig body.

In the positioning fixture of the above embodiment, the second elastic member is stretched when the side pushing member moves from the initial position by applying an external force and drives the first pushing member to move, so that the elastic restoring force of the second elastic member can drive the side pushing member to move after the external force is cancelled, and the side pushing member returns to the initial position.

In at least one embodiment, the device further includes a third elastic member disposed in the limiting groove, and one end of the third elastic member abuts against the second pushing member, and the other end of the third elastic member abuts against the limiting groove.

In the positioning fixture of the above embodiment, the second pushing element moves from the initial position, so that the third elastic element is compressed and generates an elastic restoring force, and the second pushing element can be pushed to move, so that the second pushing element returns to the initial position.

In at least one embodiment, the second pushing member includes a sliding portion and a positioning portion, and the sliding portion is slidably disposed in the limiting groove. The positioning part is arranged on one side of the sliding part and used for abutting against the workpiece. One end of the third elastic piece abuts against the sliding part, and the other end of the third elastic piece abuts against the limiting groove.

In the positioning fixture of the above embodiment, the sliding portion is in the limiting groove and abuts against the third elastic member, so that the sliding portion can stably drive the positioning portion to move, and the positioning portion is convenient to abut against the workpiece.

In at least one embodiment, the second pushing member further includes a guiding post, the guiding post is fixed in the limiting groove and penetrates through the sliding portion, and the sliding portion slides along the guiding post.

In the positioning jig of the embodiment, the sliding part slides along the guide post, so that the sliding stability of the sliding part can be improved.

In at least one embodiment, the first pushing member is provided with a groove, and one end of the first elastic member is arranged in the groove.

In the positioning fixture of the above embodiment, one end of the first elastic member is disposed in the groove, so that the first elastic member is conveniently fixed on the first pushing member, and the first elastic member can more stably drive the first pushing member to move.

In at least one embodiment, the upper portion of the jig body is provided with a positioning groove communicated with the guide groove, and the positioning groove is used for placing the workpiece.

In the positioning jig of the embodiment, the workpiece is placed in the positioning groove, so that the workpiece can be fixed conveniently.

According to the positioning jig, the side pushing piece and the second pushing piece move towards the same direction, so that the first pushing piece and the second pushing piece move towards the direction far away from the positioning groove simultaneously. After the workpiece is placed into the positioning groove, the first pushing piece is matched with the jig body to fix the workpiece under the pushing of the first elastic piece and the third elastic piece, and the first pushing piece and the second pushing piece abut against two adjacent sides of the workpiece, so that the workpiece is fixed simply and can be stably fixed.

Drawings

Fig. 1 is a schematic perspective view of a positioning fixture according to an embodiment of the present application.

Fig. 2 is a schematic perspective view of the first pushing member and the first elastic member in fig. 1.

Fig. 3 is a schematic perspective view of the positioning fixture in fig. 1 at another angle.

Fig. 4 is a schematic perspective view of the side pushing member, the second elastic member and the sliding rail in fig. 1.

Fig. 5 is a top view of the positioning jig of fig. 1.

Fig. 6 is a schematic perspective view of the second pushing member and the second elastic member in fig. 1.

Description of the main elements

Positioning jig 100

Jig body 10

Limiting groove 11

Guide groove 12

Positioning groove 13

First limiting member 14

Fixing part 141

Clamping part 142

Second limiting member 15

Slide rail 16

Connecting post 161

First cover plate 17

Second cover plate 18

Third cover plate 181

Chute 19

First pusher 20

Guide part 21

Abutting part 22

Groove 221

Moving part 23

Side push 30

Sliding rod 31

Side push block 32

Bevel 321

Second pusher 40

Sliding part 41

Positioning part 42

Projection 43

Guide post 44

First elastic member 50

Second elastic member 60

Third elastic member 70

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. The terms "top," "bottom," "upper," "lower," "left," "right," "front," "rear," and the like as used herein are for illustrative purposes only.

When two elements (planes, lines) are arranged in parallel, it is to be understood that the relationship between the two elements includes both parallel and substantially parallel. By substantially parallel is understood that there may be an included angle between two elements, the included angle being greater than 0 ° and less than or equal to 10 °.

When two elements (planes, lines) are arranged vertically, it is understood that the relationship between the two elements includes both vertical and substantially vertical. Wherein substantially perpendicular is understood to mean that the angle between two elements is greater than or equal to 80 ° and less than 90 °.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Some embodiments of this application provide a positioning jig, positioning jig includes the tool body for place the work piece, the guide slot has been seted up on the upper portion of tool body, the tool body is adjacent the spout has been seted up to the side of guide slot, positioning jig still includes first impeller and side and pushes away the piece, first impeller set up in with sliding in the guide slot. The side pushing piece is slidably arranged on the sliding groove, can be matched with the first pushing piece and drives the first pushing piece to slide, so that the first pushing piece and the jig body are matched with each other to abut against and fix the workpiece. In the positioning jig of the embodiment, the side pushing piece moves along the sliding groove and is matched with the first pushing piece, so that the first pushing piece is driven to move, the workpiece is fixed, and the workpiece is fixed simply and quickly.

Some embodiments of the present application will be described below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1, in some embodiments, a positioning fixture 100 includes a fixture body 10, a first pushing member 20 and a side pushing member 30, the fixture body 10 is used for placing a workpiece, and the fixture body 10 is provided with a guide groove 12. The first pusher 20 is slidably disposed in the channel 12. The side wall of the jig body 10 is provided with a sliding groove 19, the side pushing member 30 is slidably disposed on the sliding groove 19, and the sliding direction of the side pushing member 30 is perpendicular to the sliding direction of the first pushing member 20. The side pushing member 30 can cooperate with the first pushing member 20 and drive the first pushing member 20 to slide.

In some embodiments, the jig body is further provided with a first limiting part 14, the workpiece is placed between the first limiting part 14 and the first pushing part 20, the side pushing part 30 drives the first pushing part 20 to move, the first pushing part 20 is driven to move, the first pushing part 20 supports the workpiece until the first limiting part 14 and the workpiece clamp two opposite sides of the workpiece, and therefore the workpiece is fixed, and the workpiece is fixed in a simple and rapid mode.

In some embodiments, the jig body 10 defines a positioning groove 13, the positioning groove 13 communicates with the guide groove 12, the positioning groove 13 is used for placing a workpiece, and the first position-limiting member 14 and the first pushing member 20 are disposed on two opposite sides of the positioning groove 13.

In some embodiments, the guide groove 12 penetrates through the upper surface of the jig body 10, a first cover plate 17 is fixed on the upper surface of the jig body 10, and the first cover plate 17 fixes the first pushing member 20 in the guide groove 12 for blocking the first pushing member 20 from separating from the jig body 10. Alternatively, the first cover plate 17 is fixed to the jig body 10 by a fastener such as a screw.

In some embodiments, the first limiting member 14 includes a fixing portion fixed on the upper surface of the fixture body and a clamping portion located in the positioning groove 13, and the clamping portion is used for abutting against the workpiece. Alternatively, the fixing portion is fixed to the jig body by a fastener such as a screw. Optionally, the fixing portion may also be directly and integrally formed on the jig body. Optionally, the number of the first limiting members 14 is two, and the two first limiting members 14 can abut against two positions of the workpiece, so that not only can the contact area between the first limiting members 14 and the workpiece be increased, but also the stress point of the workpiece can be increased, and the workpiece can be clamped more stably. It is understood that, in other embodiments, the structure of the first limiting member 14 is not limited to two, and may be three, four or more.

In some embodiments, the first retaining member 14 may also be a groove wall of the positioning groove 13, and the groove wall of the positioning groove 13 and the first pushing member 20 together clamp the workpiece.

In some embodiments, the first retaining member 14 can also be a movable structure that is the same as or similar to the first pushing member 20, such that the movable structure and the first pushing member 20 move to clamp two opposite sides of the workpiece, thereby positioning the workpiece.

Referring to fig. 1 and 2, the first pushing member 20 includes a supporting portion 22 and a moving portion 23, the supporting portion 22 and the moving portion 23 are slidably disposed in the guide groove 12, the supporting portion 22 protrudes into the positioning groove 13 for supporting the workpiece, one end of the moving portion 23 protrudes out of the jig body 10, the other end of the moving portion 23 is optionally connected to the supporting portion 22, the number of the supporting portions 22 is two, and the two supporting portions 22 are located on two opposite sides of the moving portion 23, and the contact area between the two supporting portions 22 and the workpiece can be increased, so as to improve the stability of positioning the workpiece.

It is to be understood that the number of the abutting portions 22 is not limited thereto but may be one, three, four, and the like.

In some embodiments, the positioning fixture 100 further includes a first elastic member 50, the first elastic member 50 is disposed in the guide slot 12, and one end of the first elastic member abuts against the abutting portion 22, and the other end of the first elastic member abuts against a slot wall of the guide slot 12. When the first pushing element 20 slides towards the outside of the fixture body 10, the first elastic element 50 is pressed by the abutting portion 22 to be elastically deformed, and the abutting portion 22 is pushed to move towards the workpiece in the process of elastic recovery of the first elastic element 50. Optionally, the first elastic member 50 is a spring.

Alternatively, the number of the first elastic members 50 is two and the first elastic members are symmetrically arranged, which can increase the smoothness of the first pushing member 20.

Optionally, the sidewall of the abutting portion 22 facing the first elastic member 50 is provided with a groove 221, and one end of the first elastic member 50 fixes the groove 221. It can be understood that the sidewall of the abutting portion 22 facing the sliding groove 19 is provided with a protruding structure, and the first elastic element 50 is sleeved on the protruding structure, which is optionally one of a column structure, a boss structure, a cone structure, and the like.

In some embodiments, the first pushing member 20 further includes a guiding portion 21, and the guiding portion 21 is disposed on the moving portion 23 and located outside the jig body 10.

Referring to fig. 1 and fig. 3, the side pushing member 30 includes a sliding rod 31 and a side pushing block 32, the sliding rod 31 is slidably disposed on the sliding slot 19, and the side pushing block 32 is disposed on the sliding rod 31 and exposed out of the sliding slot 19. The side pushing block 32 is matched with the guide part 21, so that the side pushing piece 30 can drive the first pushing piece 20 to slide when sliding.

Referring to fig. 3 and 4, in some embodiments, the side pushing block 32 is provided with an inclined surface 321, the inclined surface 321 is located on a side of the side pushing block 32 facing away from the sliding rod 31, and the inclined surface 321 contacts the guiding portion 21. Through the inclined surface 321, in the process that the slide rod 31 drives the side push block 32 to move, a force perpendicular to the sliding direction of the slide rod 31 can be applied to the guide portion 21, and the direction of the force faces the outer side of the jig body 10, so that the first pushing member 20 can be driven to slide towards the outer side of the jig body 10, that is, the first pushing member is inclined towards the direction away from the first limiting member 14 to move, and a workpiece can be placed into the positioning groove 13.

It can be understood that the matching manner of the side push block 32 and the guide portion 21 is not limited to matching by an inclined surface, but the side push block 32 may also be provided with a cambered surface, and the cambered surface is in contact with the guide portion 21 and drives the guide portion 21 to move. The inclined surface 321 is not limited to the side push block 32, and the inclined surface 321 may be provided on the guide portion 21, and the side push block 32 contacts the inclined surface 321 to move the guide portion 21.

In some embodiments, the guide portion 21 is cylindrical in shape and contacts the inclined surface 321 more smoothly, reducing wear on the inclined surface 321.

In some embodiments, the jig body 10 has a slide rail 16 fixed to a side wall thereof, and the slide groove 19 is disposed on the slide rail 16. Slide rail 16 and tool body 10 can separate, therefore, the long-time back that slides in spout 19 of side push block 32, slide rail 16 can be ground, at this moment, only need through changing slide rail 16, need not change whole tool body 10, is convenient for practice thrift the cost. Alternatively, the slide rail 16 is fixed to the side wall of the jig body 10 by a fastener such as a screw.

In some embodiments, a second cover plate 18 and a third cover plate 181 are disposed on a side of the slide rail 16 away from the jig body 10, the second cover plate 18 is located at one end of the slide rail 16, and the third cover plate 181 is located at the other end of the slide rail 16, and is used for installing the slide rod 31 in the slide groove 19 and blocking the slide rod 31 from separating from the slide groove 19. Alternatively, the second cover plate 18 and the third cover plate 181 are fixed to the slide rail 16 by fasteners such as screws.

In some embodiments, the positioning fixture 100 further includes a second elastic member 60, the second elastic member 60 is located in the sliding slot 19, one end of the second elastic member 60 abuts against the sliding rod 31, and the other end of the second elastic member is connected to the sliding rail 16, when the sliding rod 31 slides towards the outside of the fixture body 10, the second elastic member 60 is elastically deformed by the stretching of the sliding rod 31, and in the process of the elastic recovery of the second elastic member 60, the sliding rod 31 is driven to move towards the second cover plate 18. Optionally, the second elastic member 60 is a spring.

In some embodiments, a connection post 161 is fixedly disposed in the sliding slot 19, and one end of the second elastic member 60 is connected to the sliding rod 31, and the other end is connected to the connection post 161. It is understood that the connection manner of the second elastic member 60 is not limited to the connection column 161. Alternatively, a connecting slot is formed in the sliding slot 19, and one end of the second elastic element 60 is connected to the sliding rod 31, and the other end is fixed to the connecting slot.

Referring to fig. 5 and 6, in some embodiments, the fixture body 10 further has a limiting groove 11 formed on the upper surface thereof, and the limiting groove 11 is communicated with the positioning groove 13. The positioning fixture 100 further includes a second pushing member 40, the second pushing member 40 is slidably disposed in the limiting groove 11, and one end of the second pushing member 40 protrudes into the positioning groove 13. For abutting against the workpiece, and the sliding direction of the second pushing member 40 is parallel to the sliding direction of the side pushing member 30.

The workpiece comprises a first side surface and a second side surface (not marked in the figure), the workpiece is placed in the positioning groove 13, the first pushing member 20 moves towards the workpiece and abuts against the first side surface of the workpiece, and the second pushing member 40 moves towards the workpiece and abuts against the second side surface of the workpiece, so that the workpiece is fixed. Through the fixation of the workpiece in different directions, the stability and the position precision of the workpiece can be improved.

Because the sliding direction of the side pushing member 30 is parallel to the sliding direction of the second pushing member 40, a force can be applied to the outside of the jig body 10, and the side pushing member 30 and the second pushing member 40 are simultaneously driven, so that when the second pushing member 40 moves in the direction away from the positioning groove 13, the side pushing member 30 also drives the first pushing member 20 to move in the direction away from the positioning groove 13, and the first pushing member 20 and the second pushing member 40 can be simultaneously driven to move by applying a force, so that a workpiece can be conveniently placed in the positioning groove 13.

The second pushing member 40 includes a sliding portion 41, a positioning portion 42, and a protruding portion 43, and the sliding portion 41, the positioning portion 42, and the protruding portion 43 are slidably disposed in the limiting groove 11. The positioning portion 42 is used for abutting against a workpiece and connected with one side of the sliding portion 41, one end of the protruding portion 43 is connected with the other side of the sliding portion 41, and one end of the other end of the protruding portion 43 protrudes out of the jig body 10, so that the positioning portion 42 is driven to move by the protruding portion 43.

In some embodiments, the positioning fixture 100 further includes a third elastic member 70, the third elastic member 70 is disposed in the limiting groove 11, one end of the third elastic member abuts against the sliding portion 41, and the other end of the third elastic member abuts against a groove wall of the limiting groove 11. When the second pushing member 40 slides toward the outside of the fixture body 10, the third elastic member 70 is pressed by the sliding portion 41 to be elastically deformed, and the sliding portion 41 is pushed to move toward the workpiece during the process of restoring the third elastic member 70. Optionally, the third elastic member 70 is a spring.

It is understood that, in other embodiments, the third elastic member 70 is not limited to be connected to the sliding portion 41, and one end of the third elastic member 70 may be connected to the groove wall of the limiting groove 11, and the other end may be connected to the protrusion 43.

Optionally, the number of the third elastic members 70 is two, and the third elastic members 70 are symmetrically disposed on the sliding portion 41, so that the stability of the third elastic members 70 driving the sliding portion 41 to slide can be increased. It is understood that the number of the third elastic members 70 is not limited to two, but may be one, three, four, etc.

In some embodiments, the second pushing member 40 further includes a guiding pillar 44, the guiding pillar 44 is fixed in the limiting groove 11, and the length direction of the guiding pillar 44 is parallel to the sliding direction of the second pushing member 40. The guide post 44 is inserted into the sliding portion 41, the sliding portion 41 can slide along the guide post 44, and the sliding portion 41 is guided by the guide post 44 to slide, whereby the stability of the sliding portion 41 can be increased.

Alternatively, the number of the guide posts 44 is two, and the guide posts 44 are symmetrically disposed at both ends of the sliding portion 41, and it is understood that the number of the guide posts 44 is not limited thereto, and may be one, three, four, or the like.

In some embodiments, the fixture body 10 is further provided with a second limiting member 15, the second limiting member 15 and the second pushing member 40 are disposed on two opposite sides of the positioning slot 13, and the second limiting member 15 is used for clamping and fixing two opposite sides of the workpiece in cooperation with the positioning portion 42.

In some embodiments, the structure of the second limiting member 15 is the same as that of the first limiting member 14, so that the first limiting member 14 and the second limiting member 15 can be replaced with each other, thereby reducing the types of parts.

In summary, the embodiment of the present application provides a positioning fixture 100, which applies a force toward the outside of the fixture body 10 and drives the side pushing element 30 and the second pushing element 40 to move simultaneously. The side pushing member 30 cooperates with the first pushing member 20 and drives the first pushing member 20 to move in a direction away from the positioning slot 13, so that the first elastic member 50 is compressed during the movement of the first pushing member 20, and the second pushing member 40 also moves in a direction away from the positioning slot 13 and compresses the third elastic member 70. The workpiece is placed in the positioning slot 13, and the first elastic element 50 drives the first pushing element 20 to move toward the workpiece in the recovery process, and cooperates with the first limiting element 14 to clamp two opposite sides of the workpiece. The third elastic member 70 drives the second pushing member 40 to move toward the workpiece during the recovery process, and cooperates with the second limiting member 15 to clamp the other two sides of the workpiece. The fixing mode of the workpiece is simple and quick.

In addition, those skilled in the art should realize that the above embodiments are illustrative only and not limiting to the present application, and that suitable changes and modifications to the above embodiments are within the scope of the disclosure of the present application as long as they are within the true spirit and scope of the present application.

Claims

1. The utility model provides a positioning jig, includes the tool body for place the work piece, its characterized in that, the guide slot has been seted up on the upper portion of tool body, the tool body is adjacent the spout has been seted up to the side of guide slot, positioning jig still includes:

the first pushing piece is arranged on the guide groove in a sliding manner;

and the side pushing piece is arranged in the sliding groove in a sliding manner, can be matched with the first pushing piece and drives the first pushing piece to slide, so that the first pushing piece and the jig body are matched with each other to abut against and fix the workpiece.

2. The positioning jig according to claim 1, wherein a limiting groove is further formed in the upper portion of the jig body, and the positioning jig further comprises:

the second pushing piece is arranged in the limiting groove in a sliding mode, the sliding direction of the second pushing piece is parallel to that of the side pushing piece, and the second pushing piece and the first pushing piece are matched with each other to abut against and fix the workpiece.

3. The positioning fixture of claim 2, wherein the first pusher includes a guide portion that extends outside the fixture body;

the side pushing piece comprises a sliding rod and a side pushing block, the sliding rod is slidably arranged on the sliding groove, the side pushing block is arranged on one side of the sliding rod, and the side pushing block is matched with the guide part and drives the first pushing piece to slide.

4. The positioning jig according to claim 2, further comprising:

and the first elastic piece is arranged in the guide groove, one end of the first elastic piece abuts against the first pushing piece, and the other end of the first elastic piece abuts against the guide groove.

5. The positioning jig of claim 3, further comprising:

and the second elastic piece is arranged in the sliding groove, one end of the second elastic piece abuts against the side pushing piece, and the other end of the second elastic piece abuts against the jig body.

6. The positioning jig according to claim 2, further comprising:

and the third elastic piece is arranged in the limiting groove, one end of the third elastic piece abuts against the second pushing piece, and the other end of the third elastic piece abuts against the limiting groove.

7. The positioning fixture of claim 6, wherein the second pusher comprises:

the sliding part is arranged in the limiting groove in a sliding manner;

the positioning part is arranged on one side of the sliding part and is used for abutting against the workpiece;

one end of the third elastic piece abuts against the sliding part, and the other end of the third elastic piece abuts against the limiting groove.

8. The positioning fixture of claim 7, wherein the second pusher further comprises:

the guide post is fixed in the limiting groove and penetrates through the sliding part, and the sliding part slides along the guide post.

9. The positioning fixture according to claim 4, wherein the first pushing member has a groove, and one end of the first elastic member is disposed in the groove.

10. The positioning fixture according to claim 1, wherein a positioning groove is formed in an upper portion of the fixture body and communicates with the guide groove, and the positioning groove is used for placing the workpiece.