CN218939756U - Pole piece positioning mechanism - Google Patents

Abstract

The application relates to the technical field of lithium batteries, in particular to a pole piece positioning mechanism, which comprises a bearing member, wherein at least one side part of the bearing member is provided with a positioning member, and the positioning member can move relative to the bearing member; the positioning member comprises a limiting part and a bearing part which are connected, the bearing part is arranged close to the bearing member side, and the bearing part is not higher than the bearing member. Therefore, when the pole piece is placed on the bearing member, and part of the pole piece is positioned outside the bearing member, the bearing part of the positioning member can extend to the lower part of the exposed pole piece, and the exposed pole piece structure is supported, so that the exposed part of the pole piece can not be clamped during positioning, namely, the risk of clamping the pole piece during positioning by the existing positioning mechanism is reduced, further, the detection precision is improved, the reject ratio is reduced, and the cost is saved.

Description

Pole piece positioning mechanism

Technical Field

The application relates to the technical field of lithium batteries, in particular to a pole piece positioning mechanism.

Background

At present, a winding process or a lamination process exists in the production process of a lithium battery cell, wherein the lamination process is to roll positive and negative electrode materials into pole pieces with required sizes, then the positive pole pieces, the diaphragms and the negative pole pieces are stacked to form a cell unit, the pole pieces and the diaphragms are required to be positioned when being stacked to form the cell, the existing positioning mechanism is to position the pole pieces by using an air cylinder and a positioning stop block, the pole pieces are placed on a positioning flat plate, if part of the pole pieces are outside the positioning flat plate, the pole pieces can bend downwards, and the existing positioning structure has the risk that the positioning stop block clamps the pole pieces when the pole pieces bend downwards.

Disclosure of Invention

The utility model aims at providing a pole piece positioning mechanism, solved the positioning mechanism that the lithium cell battery core that exists among the prior art involved in the lamination production to a certain extent, there is some pole pieces can extend to the location outside the flat board, and this epitaxial part pole piece can be downwarping, under this circumstances, when can appear the location, the technical problem of the risk of pole piece is cliied to the location dog.

The application provides a pole piece positioning mechanism, which comprises a bearing member, wherein at least one side part of the bearing member is provided with a positioning member, and the positioning member can move relative to the bearing member; the positioning member comprises a limiting part and a bearing part which are connected, the bearing part is arranged close to the bearing member side, and the bearing part is not higher than the bearing member.

In the above technical solution, further, an avoidance groove is formed on a side portion of the support member, and the support portion extends into the avoidance groove.

In any of the above technical solutions, further, the supporting portion and the limiting portion form an L-shaped structure.

In any of the above technical solutions, further, the pole piece positioning mechanism further includes a driving device and a transmission assembly; wherein the positioning member further comprises a connecting part connected with the limiting part and/or the bearing part;

the driving device is connected with the connecting part through the transmission component and is used for driving the positioning component to move relative to the bearing component.

In any of the above technical solutions, further, the connecting portion and the supporting portion are respectively disposed at two opposite side portions of the limiting portion, and the connecting portion and the limiting portion form an L-shaped structure.

In any of the above technical solutions, further, at least two side portions of the supporting member are provided with the positioning members, and are a first positioning member and a second positioning member respectively;

the moving direction of the first positioning member relative to the bearing member is vertical to the extending and contracting direction of the driving end of the driving device; the moving direction of the second positioning member relative to the bearing member is the same as the extending and contracting direction of the driving end of the driving device.

In any of the above technical solutions, further, the first positioning member is provided with a first transmission assembly, and the first transmission assembly includes a guiding member, a pushing member, and a reversing member; wherein the driving device is connected with the reversing component;

the guide member is connected with the connecting part of the first positioning member; one end of the pushing member is slidably connected with the guide member, and the other end of the pushing member abuts against the side portion of the reversing member.

In any of the above-mentioned aspects, further, the reversing member is formed with an abutment surface forming an obtuse angle with the expansion and contraction direction of the driving end of the driving device, and one end of the pushing member abuts against the abutment surface.

In any of the above solutions, further, one end of the pushing member abuts against the abutment surface through a deep groove ball bearing.

In any of the above technical solutions, further, the second positioning member is configured with a second transmission assembly, and the second transmission assembly includes a transmission member and a switching member;

wherein the transmission member is connected with the driving device; the switching component is respectively connected with the transmission component and the connecting part of the second positioning component.

In any of the above technical solutions, further, the pole piece positioning mechanism further includes a supporting member, and the bearing member, the first positioning member, and the second positioning member are all disposed above the supporting member; the driving device and the transmission component are arranged below the supporting component;

the supporting member is provided with a through hole, and the connecting part of the first positioning member is connected with the guiding member through a connecting member arranged in the through hole; the connecting portion of the second positioning member extends to the outside of the supporting member and is connected with the switching member.

In any of the above technical solutions, further, the pole piece positioning mechanism further includes a workbench and a support column, and the support member is connected with the workbench through the support column;

a space for accommodating the driving device and the transmission assembly is formed between the supporting member and the workbench.

In any of the above technical solutions, further, the supporting member is square, and four sides of the supporting member are respectively provided with the positioning members, where two positioning members are oppositely disposed, and a movement direction of the positioning members is perpendicular to a telescoping direction of an output end of the driving device;

the other two positioning members are oppositely arranged, and the moving direction of the other two positioning members is the same as the extending and contracting direction of the output end of the driving device.

Compared with the prior art, the beneficial effects of this application are:

the application provides a pole piece positioning mechanism includes the bearing component, and at least one lateral part of bearing component is provided with the locating component, and the locating component is including spacing portion and the bearing portion that is connected, and the bearing portion is not higher than the bearing component. When the pole piece is placed on the bearing member, and part of the pole piece is positioned outside the bearing member, the bearing part of the positioning member can extend to the lower part of the exposed pole piece and support the exposed pole piece structure, so that the exposed part of the pole piece can not be clamped during positioning, namely, the risk of clamping the pole piece during positioning by the existing positioning mechanism is reduced, the detection precision is further improved, the reject ratio is reduced, and the cost is saved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a pole piece positioning mechanism provided in an embodiment of the present application;

fig. 2 is another schematic structural diagram of a pole piece positioning mechanism provided in an embodiment of the present application;

fig. 3 is a schematic structural diagram of a pole piece positioning mechanism according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a pole piece positioning mechanism according to an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a pole piece positioning mechanism according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a pole piece positioning mechanism according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a pole piece positioning mechanism according to an embodiment of the present disclosure.

Reference numerals:

1-first positioning member, 2-second positioning member, 3-third positioning member, 4-fourth positioning member, 5-limit portion, 6-bearing portion, 7-connecting portion, 8-bearing member, 81-avoidance groove, 9-driving device, 10-first transmission component, 101-guiding member, 102-connecting block, 103-pushing member, 1031-kidney-shaped via hole, 104-deep groove ball bearing, 105-reversing member, 1051-abutting surface, 106-connecting member, 11-second transmission component, 111-transmission member, 112-adapting member, 1121-adapting plate, 1122-adapting cuboid, 13-supporting member, 14-workbench, 15-supporting column.

Detailed Description

The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

The components of the embodiments of the present application, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application.

All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Pole piece positioning mechanisms according to some embodiments of the present application are described below with reference to fig. 1-7.

Referring to fig. 1 to 7, an embodiment of the present application provides a pole piece positioning mechanism, including a supporting member 8, at least one side portion of the supporting member 8 is provided with a positioning member, and the positioning member is capable of moving relative to the supporting member 8; the positioning member comprises a limiting part 5 and a bearing part 6 which are connected, the bearing part 6 is arranged close to the bearing member 8, and the bearing part 6 is not higher than the bearing member 8.

Based on the above-described structure, when the pole piece is placed on the supporting member 8 and a part of the pole piece is located outside the supporting member 8, the supporting portion 6 of the positioning member extends to the lower side of the exposed pole piece and supports the exposed pole piece structure, so that the exposed part of the pole piece cannot be clamped during positioning, namely, the risk of clamping the pole piece during positioning by the existing positioning mechanism is reduced, further, the detection precision is improved, the reject ratio is reduced, and the cost is saved.

In this embodiment, preferably, as shown in fig. 2, the side portion of the support member 8 is formed with a relief groove 81, and the support portion 6 extends into the relief groove 81.

As can be seen from the above-described structure, the side portion of the support member 8 is grooved to avoid interference with the support portion 6, and the support portion 6 is movable in the escape groove 81 to perform guiding and limiting functions. Of course, the avoiding groove 81 may be formed as required without opening.

In this embodiment, the support portion 6 and the stopper portion 5 preferably form an L-shaped structure as shown in fig. 1.

According to the above-described structure, the limit portion 5 extending in the vertical direction is abutted against the side portion of the pole piece to perform a positioning function, and the support portion 6 extends in the horizontal direction and extends below the exposed portion of the pole piece to perform a supporting function.

Further, it is preferable that the supporting portion 6 is a flat plate structure formed with a flat surface extending in the horizontal direction; the limit portion 5 is a rectangular parallelepiped structure formed with a plane extending in the vertical direction.

In this embodiment, preferably, as shown in fig. 1, the pole piece positioning mechanism further comprises a driving device 9 and a transmission assembly; wherein the positioning member further comprises a connecting part 7 connected with the limiting part 5;

the driving device 9 is connected with the connecting part 7 through a transmission assembly and is used for driving the positioning member to move relative to the supporting member 8.

According to the structure described above, the driving device 9 drives the positioning member to move through the transmission assembly, so as to clamp or release the pole piece.

Further, preferably, as shown in fig. 1, the connection portion 7 and the supporting portion 6 are respectively disposed at two opposite sides of the limiting portion 5, and the connection portion 7 and the limiting portion 5 form an L-shaped structure, the connection portion 7 plays a role of switching, and preferably, the limiting portion 5, the connection portion 7 and the supporting portion 6 are in an integral structure.

In this embodiment, preferably, as shown in fig. 1 to 3, the four side portions of the holding member 8 are each provided with a positioning member, and are respectively a first positioning member 1, a second positioning member 2, a third positioning member 3, and a fourth positioning member 4, wherein the first positioning member 1 and the third positioning member 3 are disposed opposite to each other, and the second positioning member 2 and the fourth positioning member 4 are disposed opposite to each other;

the moving direction of the first positioning member 1 and the third positioning member 3 relative to the supporting member 8 is perpendicular to the extending and contracting direction of the driving end of the driving device 9, that is, the first positioning member 1 and the third positioning member 3 can move along the A2 direction, and note that: the first positioning member 1 and the third positioning member 3 can be close to each other or far away from each other, each positioning member is provided with a transmission assembly, and the extending parts of the supporting member 8 corresponding to the first positioning member 1 and the third positioning member 3 are provided with avoiding grooves 81;

the moving direction of the second positioning member 2 and the fourth positioning member 4 relative to the holding member 8 is the same as the extending and contracting direction of the driving end of the driving device 9, that is, the second positioning member 2 and the fourth positioning member 4 can move along the A1 direction, and note that: the second positioning member 2 and the fourth positioning member 4 move along the reverse direction, each positioning member is provided with a transmission assembly, and the support member 8 is provided with a avoiding groove 81 at the extending part corresponding to the second positioning member 2 and the fourth positioning member 4.

In addition, the first positioning member 1 and the third positioning member 3 are respectively provided with a first transmission assembly 10, the second positioning member 2 and the fourth positioning member 4 are respectively provided with a second transmission assembly 11, the number of driving devices 9 is two, and one driving device 9 and the two first transmission assemblies 10 and the one second transmission assembly 11 on the corresponding sides are a group of driving structures, and the driving structures are two groups and are respectively arranged on two sides of the supporting member 8 along the A1 direction.

According to the above-described structure, the two driving devices 9 can drive the four positioning members to move through the corresponding four transmission assemblies at the same time, that is, the four positioning members move towards the pole piece and finally position the pole piece, or move towards the direction away from the pole piece, so as to release the pole piece, thereby facilitating the operator to put the pole piece again or take out the pole piece.

In this embodiment, preferably, as shown in fig. 1 to 5, the first transmission assembly 10 includes a guide member 101, a pushing member 103, and a reversing member 105; wherein the drive means 9 is connected to the reversing element 105;

the guide member 101 is connected to the connection portion 7 of the first positioning member 1; one end of the pushing member 103 is slidably connected to the guide member 101, and the other end of the pushing member 103 abuts against the side of the reversing member 105.

According to the above-described structure, when the driving end of the driving device 9 stretches, the reversing member 105 is synchronously driven to move in the same direction, and the reversing member 105 forces the guiding member 101 to move along the direction A2 through the pushing member 103, so as to clamp or release the pole piece.

In this embodiment, preferably, as shown in fig. 4, the guide member 101 is a rectangular plate, and it extends in the A1 direction, but of course, not limited thereto, it may be a block or the like.

Further, it is preferable that two sets of driving structures are provided on both sides of the guide member 101 in the A1 direction, respectively.

In this embodiment, preferably, as shown in fig. 1 and 4, the reversing member 105 is formed with an abutment surface 1051 forming an obtuse angle with the expansion and contraction direction of the driving end of the driving device 9, and one end of the pushing member 103 abuts against the abutment surface 1051.

As can be seen from the above-described structure, the abutment surface 1051 of the steering member pushes the pushing member 103 to rotate, thereby forcing the guiding member 101 slidably connected to one end thereof to move along the direction A2.

Further, it is preferable that one end of the pushing member 103 is abutted against the abutment surface 1051 by the deep groove ball bearing 104, the smooth cylindrical surface of the deep groove ball bearing 104 is abutted against the stopper surface of the steering member, and this deep groove ball bearing 104 is connected with the pushing member 103 by shaft rotation.

Further, the reversing member 105 is preferably triangular, and its bottom side is perpendicular to the A1 direction, and just forms two abutment surfaces 1051, which abut against the two pushing members 103 on both sides thereof, respectively, and of course, the reversing member 105 is not limited to a triangle, as long as there are two adjacent abutment surfaces 1051 forming an angle, for example, it may also be a pentagonal structure, or the like.

In this embodiment, preferably, as shown in fig. 1, the pushing member 103 may be a rectangular parallelepiped structure provided with kidney-shaped through holes 1031 penetrating both sides thereof, the side of the guide member 101 is provided with a connection block 102, one end of a bolt or a pin is connected to the connection block 102, the other end of the bolt or pin extends to a side of the pushing member 103 away from the guide member 101, and the bolt or pin is slidable along the kidney-shaped through holes 1031. Further, preferably, the adapter block is L-shaped.

In this embodiment, preferably, as shown in fig. 1 to 3, the second transmission assembly 11 includes a transmission member 111 and an adapter member 112;

wherein the transmission member 111 is connected with the driving device 9; the switching member 112 is connected to the transmission member 111 and the connection portion 7 of the second positioning member 2, respectively.

As can be seen from the above-described structure, when the driving end of the driving device 9 is extended and contracted, the synchronous driving transmission member 111, the switching member 112 and the second positioning member 2 are moved, thereby achieving clamping or releasing of the second side and the fourth side of the pole piece.

Further, preferably, the driving end of the driving device 9 is inserted through the square plate of the driving member 111, and the end of the driving device 9 extends to one side of the driving member 111 to be connected with the reversing member 105, so that the driving end of the driving device 9 can synchronously drive the square plate to move in the same direction. Of course, the transmission member 111 is not limited to a square plate, and may be a block or the like.

Further, preferably, the adapting member 112 includes an adapting plate 1121 and an adapting rectangular parallelepiped 1122, the adapting rectangular parallelepiped 1122 is mounted on an upper surface of the adapting plate 1121 by a fastening member, the adapting plate 1121 is disposed above the adapting member 112 and at a side portion of the transmission member 111, and the adapting plate 1121 is connected with the transmission member 111. Note that the adapter plate 1121 and the extension body may be integrally formed, and may be configured according to actual needs.

Note that: the number of the positioning members is not limited to this, and may be set according to actual needs, for example, positioning members are set only on two sides of the carrier member, that is, only the first positioning member 1 and the third positioning member 3, only the second positioning member 2 and the fourth positioning member 4, or only the first positioning member 1, the second positioning member 2, the third positioning member 3, or the fourth positioning member 4 are present, and corresponding transmission components are selected correspondingly.

In addition, most preferably, the supporting member 8 is a rectangular flat plate, and the four sides of the supporting member are all provided with the positioning members, and the supporting member is matched with the shape of the square pole piece to meet the positioning requirement, and certainly, the supporting member 8 is not limited to the rectangular flat plate, namely, the supporting member 8 is provided with a hexagonal structure, and the like, and is selected according to actual needs.

In this embodiment, preferably, as shown in fig. 3, 6 and 7, the pole piece positioning mechanism further includes a supporting member 13, and the bearing member 8, the first positioning member 1 and the second positioning member 2 are all disposed above the supporting member 13; the driving device 9 and the transmission component are arranged below the supporting member 13;

the supporting member 13 is formed with a through opening, and the connecting portion 7 of the first positioning member 1 is connected with the guide member 101 through a connecting member 106 provided in the through opening; the connection portion 7 of the second positioning member 2 extends outside the support member 13 and is connected with the switching member 112.

As is apparent from the above-described structure, the support member 13 functions to mount and support the above-described components.

Further, it is preferable that the driving device 9 is fixed to the lower surface of the supporting member 13 through a base, and the backup member 8 is fixed to the upper surface of the supporting member 13 through a fastening member such as a bolt.

Further, it is preferable that the support member 13 is a rectangular plate.

In this embodiment, preferably, as shown in fig. 6 and 7, the pole piece positioning mechanism further includes a table 14 and a support column 15, and the support member 13 is connected to the table 14 through the support column 15;

a space for accommodating the driving device 9 and the transmission assembly is formed between the support member 13 and the table 14.

As is clear from the above-described structure, the table 14 serves as a base of the bottom portion and serves as a general supporting platform, the supporting member 13 is supported by the supporting columns 15, and a space for mounting other components is formed in the bottom portion of the supporting member 13.

Further, preferably, the table 14 is a rectangular plate, the support columns 15 are cylinders, and the number is four, two of which are distributed on one side of the rectangular support member 13, and the other two of which are distributed on the other side of the rectangular support member 13.

In summary, the working principle of the pole piece positioning mechanism provided by the application is as follows:

the positioning air cylinder, namely the driving device 9 is in an extending state, the pole piece is placed on the positioning flat plate, namely the supporting member 8, the positioning air cylinder contracts along the reverse direction of A1, the reversing block, namely the reversing member 105, moves along the reverse direction of A1, the reversing block, namely the reversing member 112, moves along the reverse direction of A1, the positioning block connecting plate, namely the connecting member 106, moves along the reverse direction of A1, the second positioning member 2 and the positioning block connecting plate, so that the second positioning member 2 moves along the reverse direction of A1, the driving device 9 and the transmission assembly of the fourth positioning member 4 are identical with the second positioning member 2, belong to a mirror image structure, and the fourth positioning member 4 moves along the direction of A1;

when the positioning cylinder contracts in the opposite direction of A1, the reversing block moves in the opposite direction of A1, the deep groove ball bearing 104 is in contact with the front end of the reversing block due to the triangular structure at the front end of the reversing block, when the reversing block moves in the opposite direction of A1, the deep groove ball bearing 104 moves in the opposite direction of A2, the push rod, namely the pushing member 103, moves in the opposite direction of A2, the connecting block 102 moves in the opposite direction of A2, the guide bearing seat, namely the guide member 101, moves in the opposite direction of A2, the positioning block connecting plate, namely the connecting member 106, moves in the opposite direction of A2, the third positioning member 3 is connected with the positioning block connecting plate, the driving device 9 and the transmission assembly of the first positioning member 1 are identical to the third positioning member 3, and belong to a mirror image structure, and the first positioning member 1 moves in the opposite direction of A2.

In the above positioning process, no matter what side of the pole piece exceeds the supporting member 8, the supporting part 6 of the corresponding positioning member can move to the lower part of the exceeding part of the pole piece, and the exceeding part is supported, so that the part is prevented from bending during positioning, the detection precision is improved, the reject ratio is reduced, and the cost is saved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims (13)

1. The pole piece positioning mechanism is characterized by comprising a bearing member, wherein at least one side part of the bearing member is provided with a positioning member, and the positioning member can move relative to the bearing member; the positioning member comprises a limiting part and a bearing part which are connected, the bearing part is arranged close to the bearing member side, and the bearing part is not higher than the bearing member.

2. The pole piece positioning device of claim 1, wherein the support member has a recess formed in a side portion thereof, and wherein the support portion extends into the recess.

3. The pole piece positioning mechanism of claim 1, wherein the bearing portion and the limit portion form an L-shaped structure.

4. The pole piece positioning mechanism of claim 1, further comprising a drive device and a transmission assembly; wherein the positioning member further comprises a connecting part connected with the limiting part and/or the bearing part;

the driving device is connected with the connecting part through the transmission component and is used for driving the positioning component to move relative to the bearing component.

5. The pole piece positioning device of claim 4, wherein the connecting portion and the supporting portion are disposed on two opposite side portions of the limiting portion, respectively, and the connecting portion and the limiting portion form an L-shaped structure.

6. The pole piece positioning mechanism of claim 4, wherein the support member is provided with the positioning member on at least two sides, and is a first positioning member and a second positioning member, respectively;

the moving direction of the first positioning member relative to the bearing member is vertical to the extending and contracting direction of the driving end of the driving device; the moving direction of the second positioning member relative to the bearing member is the same as the extending and contracting direction of the driving end of the driving device.

7. The pole piece positioning mechanism of claim 6, wherein the first positioning member is provided with a first transmission assembly, and the first transmission assembly includes a guide member, a push member, and a reversing member; wherein the driving device is connected with the reversing component;

the guide member is connected with the connecting part of the first positioning member; one end of the pushing member is slidably connected with the guide member, and the other end of the pushing member abuts against the side portion of the reversing member.

8. A pole piece positioning mechanism according to claim 7, wherein the reversing member is formed with an abutment surface forming an obtuse angle with the direction of extension and contraction of the driving end of the driving device, and one end of the pushing member abuts against the abutment surface.

9. The pole piece positioning mechanism of claim 8, wherein one end of the push member abuts the abutment surface via a deep groove ball bearing.

10. The pole piece positioning mechanism of claim 7, wherein the second positioning member is provided with a second transmission assembly, and the second transmission assembly comprises a transmission member and an adapter member;

wherein the transmission member is connected with the driving device; the switching component is respectively connected with the transmission component and the connecting part of the second positioning component.

11. The pole piece positioning mechanism of claim 10, further comprising a support member, wherein the bearing member, the first positioning member, and the second positioning member are all disposed above the support member; the driving device and the transmission component are arranged below the supporting component;

the supporting member is provided with a through hole, and the connecting part of the first positioning member is connected with the guiding member through a connecting member arranged in the through hole; the connecting portion of the second positioning member extends to the outside of the supporting member and is connected with the switching member.

12. The pole piece positioning mechanism of claim 11, further comprising a table and a support column, wherein the support member is connected to the table through the support column;

a space for accommodating the driving device and the transmission assembly is formed between the supporting member and the workbench.

13. The pole piece positioning mechanism according to any one of claims 6 to 12, wherein the supporting member is square, and four side portions of the supporting member are respectively provided with the positioning members, wherein two positioning members are oppositely arranged, and the movement direction of the positioning members is perpendicular to the expansion and contraction direction of the output end of the driving device;

the other two positioning members are oppositely arranged, and the moving direction of the other two positioning members is the same as the extending and contracting direction of the output end of the driving device.

Images