CN218476595U - Self-balancing jig and processing device - Google Patents

Abstract

The utility model provides a self-balancing jig, which comprises a base, wherein a first movable seat is movably arranged on the base, a second movable seat is movably arranged on the first movable seat, a positioning carrier is detachably arranged on the second movable seat, and the positioning carrier is used for placing a workpiece; the positioning carrier is stressed, so that the first movable seat and/or the second movable seat drive the positioning carrier to rotate and adjust relative to the base, and the stress of the workpiece is uniform. The self-balancing jig of the utility model can realize the self-balancing adjustment of different planes of the positioning carrier, so that the stress of the workpiece is uniform; and positioning carriers with different sizes can be manufactured according to the sizes of different workpieces, so that the application range is wide. The utility model also provides a processingequipment.

Description

Self-balancing tool and processingequipment

Technical Field

The utility model relates to an electronic product production technical field especially relates to a self-balancing tool and processingequipment.

Background

In the field of electronic product manufacturing, in the production process of each product or part, operations such as attaching, fixing or assembling of some parts are required. In this process, in order to ensure efficiency, accuracy and quality, an auxiliary positioning jig needs to be used to position the component, so as to facilitate operation. Among the prior art, positioning jig mainly forms through integration processing, and the plane degree of location is hardly adjusted, and such structure is at the operation in-process, can't adjust, and the operator can be because the operation is tired sometimes when placing the part in processing, careless negligence places the product skew to lead to the operation quality unusual, the personnel prevent slow-witted difficult from solving at all, the quality is difficult to guarantee. On the other hand, the jig has errors such as size in the process of processing and assembling, and when some precision laminating and pressing assemblies are carried out, the jig is difficult to be in place once, the process needs to be adjusted and modified for many times, and when the clamp jig is copied and produced, the jig needs to be readjusted and modified again, so that the waste of labor and time cost can be brought. The TP screen pressurize of wearing the wrist-watch of exemplarily, if the positioning jig off normal, it is inhomogeneous to lead to screen and wrist-watch pressurize, has waterproof failure, the damaged risk of TP screen.

Therefore, it is necessary to provide a self-balancing fixture capable of automatically balancing and adjusting a carrier so as to achieve uniform stress on a stress surface of the carrier.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can carry out balanced regulation to the carrier automatically to can realize the self-balancing tool of the even atress of carrier stress surface.

Another object of the present invention is to provide a processing apparatus capable of automatically balancing and adjusting a carrier, so that the stress on a workpiece is uniform, and the processing effect of the workpiece is better.

In order to achieve the purpose, the utility model provides a self-balancing jig, which comprises a base, wherein a first movable seat is movably arranged on the base, a second movable seat is movably arranged on the first movable seat, and a positioning carrier is detachably arranged on the second movable seat and is used for placing a workpiece; the positioning carrier is stressed, so that the first movable seat and/or the second movable seat drive the positioning carrier to rotate and adjust relative to the base, and the stress of the workpiece is uniform.

Preferably, a first rotating component is arranged between the base and the first movable seat, and the first movable seat can rotate in the first direction relative to the base by the first rotating component.

Preferably, first rotation assembly includes the axis of rotation, and the both ends of first sliding seat are provided with the axis of rotation respectively, and the one end of axis of rotation is connected in first sliding seat, and the other end of axis of rotation is the pivoted and connects in the base, and first sliding seat atress is in order to rotate in the first direction for the base.

Preferably, the first rotating assembly further comprises a bushing and a mounting block, wherein one end of the rotating shaft, which is matched with the base, is mounted in the bushing, and the bushing is mounted on the base through the mounting block.

Preferably, a first mounting groove matched with the mounting block is formed in the base, a first arc-shaped groove matched with the bushing is formed in the first mounting groove, and the bushing is mounted in the first arc-shaped groove; the installation block is provided with a second arc-shaped groove matched with the first arc-shaped groove, the installation block is installed in the first installation groove to fix the lining, and an installation cavity used for installing the lining is formed between the first arc-shaped groove and the second arc-shaped groove.

Preferably, a second rotating assembly is arranged between the first movable seat and the second movable seat, and the second rotating assembly enables the second movable seat to rotate in a second direction relative to the second movable seat; the structure of the second rotating assembly is the same as that of the first rotating assembly.

Preferably, the base is provided with a first accommodating cavity for accommodating the first movable seat, and the first accommodating cavity is open and is used for the first movable seat to rotate in the first accommodating cavity; the two sides of the first accommodating cavity are provided with first limiting walls matched with the first movable seat, and the rotating range of the first movable seat relative to the base in the first direction is limited by virtue of the gap between the first limiting walls and the first movable seat; the first movable seat is provided with a second accommodating cavity, and the second movable seat is rotatably arranged in the second accommodating cavity; and second limiting walls matched with the second movable seat are arranged on two sides of the second accommodating cavity, and the second movable seat is limited in the rotating range relative to the base in the second direction by means of a gap between the second limiting walls and the second movable seat.

Preferably, the first movable seat is provided with a first mounting hole and a first through hole, the second movable seat is provided with a second mounting hole and a second through hole, the first through hole is communicated with the first mounting hole, and the second through hole is communicated with the second mounting hole; the rotating shafts are installed in the first installation hole and the second installation hole, the positioning pieces are installed in the first through hole and the second through hole, and the positioning pieces are used for reinforcing the installation of the rotating shafts in the first installation hole or the second installation hole. Preferably, the first movable seat is convexly provided with a first convex part, the first mounting hole is formed in the first convex part, and the second movable seat is provided with a spacing part in spacing fit with the first convex part; a second convex part is convexly arranged on the second movable seat, and a second mounting hole is formed in the second convex part; the lengths of the first mounting hole and the second mounting hole are lengthened by the first convex part and the second convex part.

In order to achieve the other purpose, the utility model provides a processing device, which comprises a material pressing mechanism and the self-balancing jig, wherein the material pressing mechanism is arranged above the self-balancing jig in a lifting manner; the material pressing mechanism acts on the workpiece on the positioning carrier, so that the first movable seat and/or the second movable seat drive the positioning carrier to rotate and adjust relative to the base, and the workpiece is stressed uniformly.

Compared with the prior art, the utility model discloses a processingequipment, including swager constructs and self-balancing tool. The pressing mechanism is arranged above the self-balancing jig in a lifting mode, and acts on the workpiece on the self-balancing jig downwards so as to perform precise fitting, press fitting assembly and the like on the workpiece. The self-balancing jig comprises a base, a first movable seat, a second movable seat and a positioning carrier. The first movable seat can be arranged on the base in a rotating mode in the first direction, and the second movable seat can be arranged on the first movable seat in a rotating mode in the second direction. The first movable seat can rotate in a first direction relative to the base. The second sliding seat can rotate in the second direction relative to the first sliding seat and the base. And the positioning carrier is detachably arranged on the second movable seat and is used for placing the workpiece. The location carrier can be dismantled, can be according to actual need, the different carriers of installation to can be applicable to different work pieces or be applicable to different processes. Specifically, in the operations such as pressing or mounting, the pressing mechanism moves downward, so that the workpiece on the positioning carrier is stressed to act on the second movable seat and the first movable seat. Therefore, the first movable seat and/or the second movable seat can drive the positioning carrier to rotate and adjust relative to the base, and the stress of the workpiece on the positioning carrier is uniform. It is understood that the first movable seat can rotate relative to the base by a certain angle in a first direction, and the first direction can be a direction around the X axis on a horizontal plane. The rotation can not cause the interference to the operation, and the clearance between base and the first sliding seat is big more, and the rotation angle of first sliding seat is big more, and specific rotation range can be adjusted according to actual conditions. Meanwhile, the second movable seat can rotate by a certain angle relative to the first movable seat in a second direction, which may be a direction around the Y axis on a horizontal plane. The rotation can not cause the interference to the operation, and the clearance between first sliding seat and the second sliding seat is big more, and the rotation angle of second sliding seat is big more, and specific rotation range can be adjusted according to actual conditions. Of course, the first movable seat and the second movable seat may rotate simultaneously. The self-balancing jig of the utility model can realize the self-balancing adjustment of different planes of the positioning carrier, so that the stress of the workpiece is uniform; and positioning carriers with different sizes can be manufactured according to the sizes of different workpieces, so that the application range is wide. The utility model discloses a processingequipment can carry out balanced regulation to the location carrier through the self-balancing tool is automatic for the work piece atress is even, so that work piece processing effect is better.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a structural diagram of a self-balancing fixture according to an embodiment of the present invention.

Fig. 2 is a structural view illustrating the rotation of the first movable base in fig. 1.

Fig. 3 is a structural view illustrating the rotation of the second movable base in fig. 1.

Fig. 4 is an exploded view of the structure of fig. 1.

Fig. 5 is a structural view of the base in fig. 1.

Fig. 6 is a structural view of the first movable base in fig. 1.

Fig. 7 is a structural view of the second movable base in fig. 1.

Fig. 8 is a structural view of the first rotating assembly of fig. 1.

Fig. 9 is a structural view of the mounting block in fig. 8.

Fig. 10 is a schematic structural view of the processing apparatus of the present invention.

Description of reference numerals:

1000. a processing device; 101. a workpiece;

100. a self-balancing jig;

10. a base; 11. a first accommodating cavity; 111. an open portion; 12. a first limit wall; 13. a first mounting groove; 14. a first arc-shaped slot;

20. a first movable seat; 21. a second accommodating cavity; 22. a first convex portion; 221. a first mounting hole; 222. a first through hole; 23. a second mounting groove; 24. a third arc-shaped slot; 25. a second limiting wall;

30. a second movable seat; 31. a third accommodating cavity; 32. a second convex portion; 321. a second mounting hole; 322. a second through hole; 33. a position avoiding part;

40. positioning a carrier;

50. a first rotating assembly; 51. a rotating shaft; 52. a bushing; 53. mounting blocks; 531. a second arc-shaped slot; 532. a screw hole; 60. a second rotating assembly;

200. a material pressing mechanism.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 1 to 4, the present invention provides a processing apparatus 1000, wherein the processing apparatus 1000 includes a pressing mechanism 200 and a self-balancing fixture 100. The pressing mechanism 200 is disposed above the self-balancing fixture 100 in a lifting manner, and the pressing mechanism 200 acts on the workpiece 101 on the self-balancing fixture 100 in a downward direction, so as to precisely attach, press-fit and assemble the workpiece 101. The self-balancing fixture 100 includes a base 10, a first movable seat 20, a second movable seat 30 and a positioning carrier 40. The first movable seat 20 is movably disposed on the base 10, and the second movable seat 30 is movably disposed on the first movable seat 20. The positioning carrier 40 is detachably mounted on the second movable seat 30, and the positioning carrier 40 is used for placing the workpiece 101. Specifically, the swaging mechanism 200 moves downward to apply a force to the positioning carrier 40, so that the positioning carrier 40 can act on the second movable seat 30 and the first movable seat 20, and the first movable seat 20 and/or the second movable seat 30 can drive the positioning carrier 40 to rotate and adjust relative to the base 10, so that the force applied to the workpiece 101 is uniform. For example, in a pressing or mounting operation, a pressing head or other operation device acts on the workpiece 101 on the positioning carrier 40 to attach or mount the workpiece 101. In the prior art, the positioning carrier 40 may be positioned unevenly, which may cause uneven pressure maintaining. The utility model discloses a self-balancing tool 100, when location carrier 40 atress, can rotate the regulation automatically through first sliding seat 20 and/or second sliding seat 30 to make the better contact of work piece 101 on the location carrier 40 and pressure head or other operation devices, thereby ensure that the power of pressurize can be even the contact surface of conducting work piece 101, make work piece 101 atress even. The utility model discloses a self-balancing tool 100 has realized the automatic balance regulation of location carrier 40, can avoid because of the work piece 101 quality that personnel's operation negligence, carrier processing lead to unusually unusual.

Referring to fig. 1 to 4, in some alternative embodiments, a first rotating assembly 50 is disposed between the base 10 and the first movable seat 20, and the first rotating assembly 50 enables the first movable seat 20 to rotate in a first direction relative to the base 10. On the other hand, a second rotating element 60 is disposed between the first movable seat 20 and the second movable seat 30, and the second rotating element 60 enables the second movable seat 30 to rotate in the second direction relative to the second movable seat 30. The second rotating assembly 60 has the same structure as the first rotating assembly 50. In the present embodiment, the first rotating assemblies 50 are disposed at both ends of the first movable seat 20, and the two first rotating assemblies 50 are symmetrically disposed at both ends of the first movable seat 20, so that the whole first movable seat 20 can rotate relative to the base 10. The two ends of the second movable seat 30 are provided with second rotating assemblies 60, and the two second rotating assemblies 60 are symmetrically arranged at the two ends of the second movable seat 30, so that the whole second movable seat 30 can rotate relative to the first movable seat 20. As shown in fig. 1, the first direction is a direction of the X axis in the horizontal direction, that is, the first movable seat 20 can rotate in the X axis direction by a certain angle, and generates a certain positional deviation. The second direction is a direction of the Y axis in the horizontal direction, and the second movable base 30 can rotate at a certain angle in the Y axis direction and generate a certain positional deviation. The rotation angles and the position offset of the first movable base 20 and the second movable base 30 can be adjusted according to actual needs.

Referring to fig. 5-9, in some alternative embodiments, first rotation assembly 50 includes a rotation shaft 51, a bushing 52, and a mounting block 53. One end of the rotating shaft 51 is connected to the first movable seat 20, and the other end of the rotating shaft 51 is rotatably connected to the base 10, and the first movable seat 20 is forced to rotate in a first direction relative to the base 10. One end of the rotating shaft 51, which is engaged with the base 10, is mounted in a bushing 52, and the bushing 52 is mounted on the base 10 through a mounting block 53. Specifically, a first mounting groove 13 matched with the mounting block 53 is arranged on the base 10, a first arc-shaped groove 14 matched with the bushing 52 is arranged in the first mounting groove 13, and the bushing 52 is mounted in the first arc-shaped groove 14. The mounting block 53 is provided with a second arc-shaped groove 531 matched with the first arc-shaped groove 14, the mounting block 53 is mounted in the first mounting groove 13 through a screw hole 532 to fix the bushing 52, and a mounting cavity for mounting the bushing 52 is formed between the first arc-shaped groove 14 and the second arc-shaped groove 531. On the other hand, a second mounting groove 23 matched with the second rotating assembly 60 is provided on the first movable seat 20, and a third arc-shaped groove 24 is provided in the second mounting groove 23. When the second rotating member 60 is installed in the second installation groove 23, the second arc-shaped groove 531 on the installation block 53 cooperates with the third arc-shaped groove 24 to install the bushing 52, and the rotating shaft 51 is installed in the bushing 52.

Referring to fig. 5, in some alternative embodiments, the base 10 is formed with a first accommodating cavity 11 for accommodating the first movable seat 20. First holding chamber 11 is uncovered form, and the bottom of first holding chamber 11 is provided with open uncovered portion 111 to supply first sliding seat 20 at first holding chamber 11 internal rotation, can material saving more and make the internal rotation in first holding chamber 11 that first sliding seat 20 can be better. The first accommodating cavity 11 and two adjacent sides of the first rotating assembly 50 are provided with a first limiting wall 12 engaged with the first movable seat 20, and the first limiting wall 12 and the first movable seat 20 are separated by a gap therebetween to limit the rotating range of the first movable seat 20 relative to the base 10 in the first direction. The larger the gap between the base 10 and the first movable seat 20, the larger the rotation angle of the first movable seat 20, and the larger the positional deviation that can be generated. The specific adjusting range can be adjusted according to actual conditions.

Referring to fig. 6 and 7, in some alternative embodiments, the first movable seat 20 is provided with a second receiving cavity 21, and the second movable seat 30 is rotatably installed in the second receiving cavity 21. Two sides of the second accommodating cavity 21 are provided with second limiting walls 25 engaged with the second movable seat 30, and the second movable seat 30 is limited in the rotation range relative to the base 10 in the second direction by the gap between the second limiting walls 25 and the second movable seat 30. A third accommodating cavity 31 is formed in the second movable seat 30, and the positioning carrier 40 is detachably mounted in the third accommodating cavity 31. The positioning carrier 40 with different sizes can be manufactured and installed in the third accommodating chamber 31 according to the sizes of different workpieces 101.

Referring to fig. 6 and 7, in some alternative embodiments, the first movable seat 20 is provided with a first protrusion 22 protruding therefrom, the first protrusion 22 is provided on the second limiting wall 25, and the protruding first protrusion 22 can have a longer accommodating space, so as to better install the first rotating assembly 50. The first movable seat 20 is provided with a first mounting hole 221 and a first through hole 222 at the first protrusion 22, and the first through hole 222 is perpendicular to the first mounting hole 221 and is communicated with the first mounting hole 221. On the other hand, a second protrusion 32 is convexly provided on the second movable seat 30, the second protrusion 32 is provided on a sidewall forming the third receiving cavity 31, and the second protrusion 32 protrudes from two ends of the sidewall. The second protrusion 32 of the second movable seat 30 is provided with a second mounting hole 321 and a second through hole 322, and the second through hole 322 is perpendicular to and communicated with the second mounting hole 321. Specifically, the rotation shaft 51 is mounted in each of the first and second mounting holes 221 and 321. The first through hole 222 and the second through hole 322 are provided with positioning parts. The positioning member is mounted to the first through hole 222 to prevent the rotation shaft 51 in the first mounting hole 221 from moving in the axial direction of the first mounting hole 221 so as to prevent the rotation shaft 51 from being separated from the first mounting hole 221. The positioning member is mounted to the second through hole 322 to prevent the rotation shaft 51 in the second mounting hole 321 from moving in the axial direction of the second mounting hole 321, so as to prevent the rotation shaft 51 from being separated from the second mounting hole 321. For example, the positioning member may be a pin, which is installed in the first through hole 222 or the second through hole 322 and fixes the corresponding rotating shaft 51, and acts on the rotating shaft 51 through the pin to prevent the rotating shaft 51 from being separated from the first installation hole 221 or the second installation hole 321. The second movable seat 30 is further provided with a space-avoiding portion 33 that is in space-avoiding engagement with the first protrusion 22, and the space-avoiding portion 33 is provided to avoid rotational interference between the first movable seat 20 and the second movable seat 30. It is understood that the first and second protrusions 22 and 32 are provided to lengthen the lengths of the first and second mounting holes 221 and 321. So that the installation between the first movable holder 20 and the rotation shaft 51 of the first rotation assembly 50 is more stable. Of course, the installation between the second movable seat 30 and the rotating shaft 51 of the second rotating element 60 can be more stable.

As shown in fig. 1 to 9, the processing device 1000 of the present invention includes a pressing mechanism 200 and a self-balancing fixture 100, wherein the pressing mechanism 200 is disposed above the self-balancing fixture 100 and can be lifted or lowered. The self-balancing fixture 100 includes a base 10, a first movable seat 20, a second movable seat 30 and a positioning carrier 40. The first movable seat 20 is rotatably disposed on the base 10 in a first direction, and the second movable seat 30 is rotatably disposed on the first movable seat 20 in a second direction. The first movable base 20 is capable of rotating in a first direction with respect to the base 10. The second movable stage 30 is capable of rotating in a second direction with respect to the first movable stage 20 and the base 10. The positioning carrier 40 is detachably mounted on the second movable seat 30, and the positioning carrier 40 is used for placing the workpiece 101. The positioning carrier 40 is detachable, and different carriers can be installed according to actual needs so as to be suitable for different workpieces 101 or different processes. Specifically, during the pressing or mounting operation, the pressing mechanism 200 acts on the self-balancing fixture 100 downward, so that the workpiece 101 on the positioning carrier 40 is stressed, and the positioning carrier 40 acts on the second movable seat 30 and the first movable seat 20. Therefore, the first movable seat 20 and/or the second movable seat 30 can drive the positioning carrier 40 to rotate and adjust relative to the base 10, so that the stress on the workpiece 101 on the positioning carrier 40 is uniform. It is understood that the first movable seat 20 can rotate relative to the base 10 by a certain angle in a first direction, which may be a direction around the X-axis on a horizontal plane. Meanwhile, the second movable base 30 can rotate at a certain angle with respect to the first movable base 20 in a second direction, which may be a direction around the Y-axis in a horizontal plane. The first movable stage 20 and the second movable stage 30 may be rotated simultaneously. The rotation of the first movable bearing 20 and the second movable bearing 30 does not interfere with the work, and the specific rotation range and the generated position deviation can be adjusted according to actual conditions. The self-balancing jig 100 of the present invention can realize self-balancing adjustment of different planes of the positioning carrier 40, so as to make the stress on the workpiece 101 uniform; the positioning carrier 40 with different sizes can be manufactured according to the sizes of different workpieces 101, and the application range is wide. The utility model discloses a processingequipment 1000 can carry out balanced regulation to location carrier 40 through self-balancing tool 100 is automatic for work piece 101 atress is even, so that work piece 101 processing effect is better.

The above disclosure is only a preferred embodiment of the present invention, and the scope of the claims of the present invention should not be limited thereby, and all the equivalent changes made in the claims of the present invention are intended to be covered by the present invention.

Claims (10)

1. A self-balancing jig is characterized by comprising a base, wherein a first movable seat is movably arranged on the base, a second movable seat is movably arranged on the first movable seat, a positioning carrier is detachably arranged on the second movable seat, and the positioning carrier is used for placing a workpiece; the positioning carrier is stressed, so that the first movable seat and/or the second movable seat drive the positioning carrier to rotate and adjust relative to the base, and the stress of the workpiece is uniform.

2. The self-balancing fixture of claim 1, wherein a first rotating assembly is disposed between the base and the first movable seat, such that the first movable seat can rotate in a first direction relative to the base by the first rotating assembly.

3. The self-balancing jig of claim 2, wherein the first rotating assembly comprises a rotating shaft, the rotating shaft is disposed at each of two ends of the first movable seat, one end of the rotating shaft is connected to the first movable seat, the other end of the rotating shaft is rotatably connected to the base, and the first movable seat is stressed to rotate in the first direction relative to the base.

4. The self-balancing jig of claim 3, wherein the first rotating assembly further comprises a bushing and a mounting block, one end of the rotating shaft, which is matched with the base, is mounted in the bushing, and the bushing is mounted on the base through the mounting block.

5. The self-balancing jig of claim 4, wherein the base is provided with a first mounting groove matched with the mounting block, a first arc-shaped groove matched with the bushing is arranged in the first mounting groove, and the bushing is mounted in the first arc-shaped groove; the mounting block is provided with a second arc-shaped groove matched with the first arc-shaped groove, the mounting block is mounted in the first mounting groove to fix the lining, and a mounting cavity for mounting the lining is formed between the first arc-shaped groove and the second arc-shaped groove.

6. The self-balancing fixture of any one of claims 2 to 5, wherein a second rotating assembly is disposed between the first movable base and the second movable base, such that the second movable base can rotate in a second direction relative to the second movable base by the second rotating assembly; the structure of the second rotating assembly is the same as that of the first rotating assembly.

7. The self-balancing fixture of claim 1, wherein the base defines a first receiving cavity for receiving the first movable seat, and the first receiving cavity is open for the first movable seat to rotate in the first receiving cavity; first limiting walls matched with the first movable seat are arranged on two sides of the first accommodating cavity, and the rotating range of the first movable seat relative to the base in the first direction is limited by virtue of a gap between the first limiting walls and the first movable seat; the first movable seat is provided with a second accommodating cavity, and the second movable seat is rotatably arranged in the second accommodating cavity; and second limiting walls matched with the second movable seat are arranged on two sides of the second accommodating cavity, and the second movable seat is limited in the rotating range relative to the base in the second direction by means of a gap between the second limiting walls and the second movable seat.

8. The self-balancing jig of claim 3, wherein the first movable seat is provided with a first mounting hole and a first through hole, the second movable seat is provided with a second mounting hole and a second through hole, the first through hole is communicated with the first mounting hole, and the second through hole is communicated with the second mounting hole; the rotating shaft is installed in the first installation hole and the second installation hole, the positioning piece is installed in the first through hole and the second through hole, and the positioning piece is used for reinforcing the rotating shaft in the first installation hole or the second installation hole.

9. The self-balancing jig according to claim 8, wherein the first movable seat is provided with a first protrusion in a protruding manner, the first mounting hole is formed in the first protrusion, and the second movable seat is provided with a space avoiding portion in space avoiding fit with the first protrusion; a second convex part is convexly arranged on the second movable seat, and the second mounting hole is formed in the second convex part; the lengths of the first mounting hole and the second mounting hole are lengthened by the first convex part and the second convex part.

10. A processing device, comprising a pressing mechanism, characterized by further comprising the self-balancing jig of any one of claims 1 to 9, wherein the pressing mechanism is arranged above the self-balancing jig in a lifting manner; the material pressing mechanism acts on the workpiece on the positioning carrier, so that the first movable seat and/or the second movable seat drive the positioning carrier to rotate and adjust relative to the base, and the workpiece is stressed uniformly.

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