CN213636075U - Diaphragm pole piece positioning mechanism and diaphragm pole piece winding device - Google Patents

Abstract

The utility model relates to a diaphragm pole piece positioning mechanism and a diaphragm pole piece winding device, wherein the diaphragm pole piece positioning mechanism comprises a supporting seat, a first driver, a second driver and a clamping assembly; the supporting seat is provided with a supporting surface, the first driver is connected with the second driver, the clamping assembly comprises a first clamping block and a second clamping block, the second driver is in driving connection with the first clamping block and the second clamping block, the second driver is used for driving the first clamping block and the second clamping block to be close to or far away from each other, the first driver is used for driving the first clamping block and the second clamping block to be close to the supporting surface of the supporting seat or far away from the supporting surface of the supporting seat along the direction perpendicular to the supporting surface, and the first clamping block and the second clamping block are in movable butt joint with the supporting surface. When the diaphragm is placed on the supporting surface, the first clamping block and the second clamping block move towards the supporting surface and abut against the diaphragm, so that the diaphragm is pressed and fixed on the supporting surface, and the diaphragm can be accurately positioned.

Description

Diaphragm pole piece positioning mechanism and diaphragm pole piece winding device

Technical Field

The utility model relates to a battery production technical field especially relates to a diaphragm pole piece positioning mechanism and diaphragm pole piece take-up device.

Background

In the production process of the battery, the diaphragm, the positive plate and the negative plate need to be wound, and the diaphragm needs to be folded in the winding process so that the positive plate and the negative plate are separated through the diaphragm.

However, when the diaphragm, the positive plate and the negative plate are wound on a pipeline type winding device, the diaphragm plate is easy to displace, and when the diaphragm, the positive plate and the negative plate are not accurately isolated by the diaphragm plate, the produced battery is short-circuited, and defects exist.

For this reason, the separator needs to be accurately positioned before and while the separator is wound.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for a separator sheet positioning mechanism and a separator sheet winding device.

A diaphragm pole piece positioning mechanism comprising: the device comprises a supporting seat, a first driver, a second driver and a clamping assembly;

the supporting seat is provided with a supporting surface, the first driver is connected with the supporting seat, the first driver is connected with the second driver through a connecting block, the clamping assembly comprises a first clamping block and a second clamping block, the first clamping block and the second clamping block are arranged on two sides of the supporting seat, the second driver is in driving connection with the first clamping block and the second clamping block, the second driver is used for driving the first clamping block and the second clamping block to move close to or away from each other, the first driver is used for driving the connecting block to move, so that the first clamping block and the second clamping block are close to the supporting surface of the supporting seat or far away from the supporting surface of the supporting seat along the direction perpendicular to the supporting surface, and the first clamping block and the second clamping block are movably abutted against the supporting surface.

In one embodiment, the first clamping block has a first pressing surface, the second clamping block has a second pressing surface, the first pressing surface and the second pressing surface are respectively parallel to the supporting surface, and the first pressing surface and the second pressing surface are respectively movably abutted against two sides of the supporting surface.

In one embodiment, the first clamping block has a first clamping surface, the second clamping block has a second clamping surface, the first clamping surface and the second clamping surface are perpendicular to the supporting surface, the first clamping surface and the second clamping surface are oppositely arranged, and the first clamping surface and the second clamping surface are close to or far away from each other along a direction parallel to the supporting surface.

In one embodiment, the first clamping block has a third clamping surface, the second clamping block has a fourth clamping surface, the third clamping surface and the fourth clamping surface are perpendicular to the supporting surface, the third clamping surface and the fourth clamping surface are oppositely disposed, a distance between the third clamping surface and the fourth clamping surface is greater than a distance between the first clamping surface and the second clamping surface, the third clamping surface and the fourth clamping surface at least partially protrude from the supporting surface, and the third clamping surface and the fourth clamping surface are close to or away from each other in a direction parallel to the supporting surface.

In one embodiment, the minimum distance between the third clamping surface and the fourth clamping surface is less than the width of the support surface.

In one embodiment, the first clamping block comprises a first pressed sub-block and a first clamping sub-block, the first pressed sub-block is connected with the first clamping sub-block, the second clamping block comprises a second pressed sub-block and a second clamping sub-block, the second pressed sub-block is connected with the second clamping sub-block, the first pressed sub-block and the first clamping sub-block are arranged on one side of the supporting seat, the second pressed sub-block and the second clamping sub-block are arranged on the other side of the supporting seat, the first pressed sub-block is provided with the first pressing surface and the first clamping surface, the first clamping sub-block is provided with the third clamping surface, the second pressed sub-block is provided with the second pressing surface and the second clamping surface, the second clamping sub-block is provided with the fourth clamping surface, and the second driver is in driving connection with the first clamping sub-block and the first clamping sub-block, the first pressing sub-block and the second pressing sub-block are movably arranged on two sides of the supporting surface, and at least part of the first clamping sub-block and the second clamping sub-block protrudes out of the supporting surface.

In one embodiment, at least one first protrusion is protruded from a surface of the first clamping sub-block facing the second clamping sub-block, at least one second protrusion is protruded from a surface of the second clamping sub-block facing the first clamping sub-block, at least one first receiving groove is formed on one side of the supporting seat, at least one second receiving groove is formed on the other side of the supporting seat, each first protrusion is movably disposed in one first receiving groove, each second protrusion is movably disposed in one second receiving groove, the first protrusion is provided with the third clamping surface, and the second protrusion is provided with the fourth clamping surface.

In one embodiment, the clamping assembly is further connected with the supporting seat through an elastic member, the first driver is used for driving the clamping assembly to move in a direction away from the supporting surface against the elastic force of the elastic member, and after the first driver stops working, the first clamping block and the second clamping block abut against the supporting surface under the elastic force of the elastic member.

In one embodiment, the first actuator is a pneumatic cylinder and the second actuator is a clamp pneumatic cylinder.

A diaphragm pole piece winding device comprises the diaphragm pole piece positioning mechanism in any one of the embodiments.

The utility model has the advantages that: the supporting surface of supporting seat is used for supporting diaphragm and pole piece, and first clamp tight piece and the tight piece of second clamp are opened for the diaphragm can be placed on the supporting surface, and when the diaphragm was placed on the supporting surface, the tight piece of first clamp and the tight piece motion of second clamp were faced the supporting surface, and the butt in the diaphragm, makes the diaphragm compressed tightly to be fixed on the supporting surface, and then makes the diaphragm can obtain accurate location, makes the precision of follow-up coiling higher, avoids the diaphragm dislocation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic perspective view of a separator sheet winding apparatus according to an embodiment;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a structural diagram of one direction of a diaphragm pole piece positioning mechanism according to an embodiment;

FIG. 4 is a schematic view of another embodiment of a diaphragm pole piece positioning mechanism with a partially exploded view in another direction;

FIG. 5 is a schematic cross-sectional view of one direction of a positioning mechanism of a diaphragm pole piece according to an embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to fig. 3, it is the diaphragm pole piece positioning mechanism 100 of an embodiment of the present invention, which is applied to a diaphragm pole piece winding device 10, and is used for positioning a diaphragm and a pole piece, so as to facilitate the winding of the diaphragm pole piece by the winding mechanism of the diaphragm pole piece winding device 10.

In this embodiment, as shown in fig. 2 and 3, the diaphragm pole piece positioning mechanism 100 includes: a support base 200, a first actuator 110, a second actuator and a clamping assembly 300; the supporting seat 200 has a supporting surface 210, the first driver 110 is connected to the supporting seat 200, the first driver 110 is connected to the second driver through a connecting block 130, the clamping assembly 300 includes a first clamping block 310 and a second clamping block 320, the first clamping block 310 and the second clamping block 320 are disposed at two sides of the supporting seat 200, the second driver is connected to the first clamping block 310 and the second clamping block 320 in a driving manner, the second driver is used for driving the first clamping block 310 and the second clamping block 320 to approach each other or move away from each other, the first driver 110 is used for driving the connecting block 130 to move, so that the first clamping block 310 and the second clamping block 320 approach to or move away from the supporting surface 210 of the supporting seat 200 along a direction perpendicular to the supporting surface 210, the first clamping block 310 and the second clamping block 320 are movably abutted against the supporting surface 210.

Specifically, the supporting seat 200 moves on the frame of the separator sheet winding device 10, a plurality of stations are arranged on the frame, the supporting seat 200 moves to each station in sequence, and the operations of membrane feeding, positive plate feeding, negative plate feeding, winding, testing and the like are performed in sequence on different stations. The first clamping block 310 and the second clamping block 320 are symmetrically arranged about the central axis of the supporting base 200, the first driver 110 is arranged on the supporting base 200, specifically, the first driver 110 is arranged below the base and connected with the base, and the first driver 110 is used for driving the connecting block to move along the direction perpendicular to the supporting surface 210. In this embodiment, the first actuator 110 is a cylinder. The second driver is used for driving the first clamping block 310 and the second clamping block 320 to open or close, and in one embodiment, the second driver is a clamp cylinder. It should be understood that the first driver 110 for driving the connecting block to move along the straight line and the second driver for driving the first clamping block 310 and the second clamping block 320 to open or close can be implemented by other means in the prior art, such as a motor, etc., which is not described redundantly in this embodiment.

When the support base 200 moves to the membrane feeding station, the first driver 110 drives the first clamping block 310 and the second clamping block 320 to move upwards, the first clamping block 310 and the second clamping block 320 are separated from the support surface 210 of the support base 200, the second driver drives the first clamping block 310 and the second clamping block 320 to open, so that the membrane can be placed on the support surface 210 at the suction cup of the membrane pole piece winding device 10, then, the second driver drives the first clamping block 310 and the second clamping block 320 to approach each other, the first driver 110 drives the first clamping block 310 and the second clamping block 320 to move downwards, the first clamping block 310 and the second clamping block 320 abut against two sides of the membrane, and the membrane is pressed on the support surface 210. Subsequently, when the support base 200 moves to the next pole piece feeding station, the pole piece can be placed between the first clamping block 310 and the second clamping block 320 to be fixed, so that the membrane and the pole piece can be positioned and fixed, and the subsequent winding on the winding station can be better realized.

In the above embodiment, the supporting surface 210 of the supporting seat 200 is used for supporting the diaphragm and the pole piece, the first clamping block 310 and the second clamping block 320 are opened, so that the diaphragm can be placed on the supporting surface 210, when the diaphragm is placed on the supporting surface 210, the first clamping block 310 and the second clamping block 320 move towards the supporting surface 210 and abut against the diaphragm, so that the diaphragm is pressed and fixed on the supporting surface 210, and further the diaphragm can be accurately positioned, so that the precision of subsequent winding is higher, and the diaphragm is prevented from being dislocated.

In order to better press the diaphragm on the supporting surface 210, in one embodiment, as shown in fig. 3 to 5, the first clamping block 310 has a first pressing surface 311, the second clamping block 320 has a second pressing surface 321, the first pressing surface 311 and the second pressing surface 321 are respectively parallel to the supporting surface 210, and the first pressing surface 311 and the second pressing surface 321 respectively movably abut against two sides of the supporting surface 210.

In this embodiment, the bottom surface of the first clamping block 310 is a first pressing surface 311, the bottom surface of the second clamping block 320 is a second pressing surface 321, the first pressing surface 311 and the second pressing surface 321 are symmetrically disposed, and the first pressing surface 311 and the second pressing surface 321 are flush with each other and parallel to the supporting surface 210, so that the first pressing surface 311 and the second pressing surface 321 can synchronously move under the first driver 110 to abut against two side edges of the membrane on the supporting surface 210, and press the membrane on the supporting surface 210.

In one embodiment, as shown in fig. 3 to 5, the first clamping block 310 has a first clamping surface 312, the second clamping block 320 has a second clamping surface 322, the first clamping surface 312 and the second clamping surface 322 are perpendicular to the supporting surface 210, the first clamping surface 312 and the second clamping surface 322 are oppositely disposed, and the first clamping surface 312 and the second clamping surface 322 are close to or far away from each other in a direction parallel to the supporting surface 210 at the supporting surface 210. In this embodiment, the first clamping surface 312 and the second clamping surface 322 are on the supporting surface 210, and are close to or far from each other on the supporting surface 210 along a direction parallel to the supporting surface 210.

In this embodiment, the first clamping surface 312 is perpendicular to the first pressing surface 311, the second clamping surface 322 is perpendicular to the second pressing surface 321, and the first clamping surface 312 is disposed adjacent to the first pressing surface 311, the second clamping surface 322 is disposed adjacent to the second pressing surface 321, and the first clamping surface 312 and the second clamping surface 322 are used for clamping the positive electrode tab and the negative electrode tab, specifically, the first clamping surface 312 and the second clamping surface 322 approach with the approach of the first clamping block 310 and the second clamping block 320, and move away with the distance of the first clamping block 310 and the second clamping block 320, so that, after the diaphragm is compressed tightly on the supporting surface 210, a placing groove is formed between the first clamping surface 312 and the second clamping surface 322, the pole piece is placed in the placing groove, and the first clamping surface 312 and the second clamping surface 322 are respectively abutted and clamped on two sides of the pole piece, so that the pole piece is limited and fixed, and the deviation of the pole piece is effectively avoided.

In order to further fix the diaphragm and restrain the diaphragm from shifting, in one embodiment, as shown in fig. 3 to 5, the first clamping block 310 has a third clamping surface 313, the second clamping block 320 has a fourth clamping surface 323, the third clamping surface 313 and the fourth clamping surface 323 are perpendicular to the supporting surface 210, the third clamping surface 313 and the fourth clamping surface 323 are oppositely disposed, a distance between the third clamping surface 313 and the fourth clamping surface 323 is greater than a distance between the first clamping surface 312 and the second clamping surface 322, the third clamping surface 313 and the fourth clamping surface 323 at least partially protrude from the supporting surface 210, and the third clamping surface 313 and the fourth clamping surface 323 are close to or away from each other in a direction parallel to the supporting surface 210.

In this embodiment, the third clamping surface 313 and the fourth clamping surface 323 are configured to abut against both sides of the diaphragm to limit the diaphragm. Specifically, the first pressing surface 311 and the second pressing surface 321 abut against one surface of the diaphragm, the supporting surface 210 abuts against the other surface of the diaphragm, the first pressing surface 311 and the second pressing surface 321 cooperate with the supporting surface 210 to press the diaphragm tightly, the third clamping surface 313 and the fourth clamping surface 323 clamp the diaphragm from two sides of the diaphragm in a limiting mode, two sides of the diaphragm can be abutted, the diaphragm can be pressed tightly and can be limited, the diaphragm can be positioned more stably, diaphragm deviation is further avoided, and winding precision is higher.

In one embodiment, the minimum distance between the third clamping surface 313 and the fourth clamping surface 323 is less than the width of the support surface 210. In this embodiment, the minimum distance between the third clamping surface 313 and the fourth clamping surface 323 is smaller than the width of the supporting seat 200. Thus, the third clamping surface 313 and the fourth clamping surface 323 can move to the inner side of the supporting surface 210 to clamp the diaphragm on the supporting surface 210, and the third clamping surface 313 and the fourth clamping surface 323 are prevented from being blocked by the supporting seat 200 and being unable to abut against two sides of the diaphragm.

In one embodiment, as shown in fig. 4 and 5, the first clamping block 310 includes a first pressing sub-block 331 and a first clamping sub-block 341, the first pressing sub-block 331 and the first clamping sub-block 341 are connected, the second clamping block 320 includes a second pressing sub-block 332 and a second clamping sub-block 342, the second pressing sub-block 332 and the second clamping sub-block 342 are connected, the first pressing sub-block 331 and the first clamping sub-block 341 are disposed at one side of the supporting seat 200, the second pressing sub-block 332 and the second clamping sub-block 342 are disposed at the other side of the supporting seat 200, the first pressing sub-block 331 is provided with the first pressing surface 311 and the first clamping surface 312, the first clamping sub-block 341 is provided with the third clamping surface 313, the second pressing sub-block 332 is provided with the second pressing surface 321 and the second clamping surface 322, the second clamping sub-block 342 is provided with the fourth clamping surface 323, the second driver is in driving connection with the first clamping sub-block 341 and the first clamping sub-block 341, the first pressing sub-block 331 and the second pressing sub-block 332 are movably arranged on two sides of the supporting surface 210, and the first clamping sub-block 341 and the second clamping sub-block at least partially protrude from the supporting surface 210.

In this embodiment, the first pressing surface 311 and the first clamping surface 312 of the first pressing sub-block 331 are perpendicular to and adjacent to each other, the second pressing surface 321 and the second clamping surface 322 of the second pressing sub-block 332 are perpendicular to and adjacent to each other, the first pressing sub-block 331 and the second pressing sub-block 332 are arranged opposite to each other, one surface of the first pressing sub-block 331 facing the second pressing sub-block 332 is the first clamping surface 312, one surface of the second pressing sub-block 332 facing the first pressing sub-block 331 is the second clamping surface 322, so that the first clamping surface 312 and the second clamping surface 322 are arranged opposite to each other, the first pressing sub-block 331 and the first clamping sub-block 341 are fixedly connected by screws, the second pressing sub-block 332 and the second clamping sub-block 342 are fixedly connected by screws, the first clamping sub-block 341 is connected to the bottom of the first pressing sub-block 331, the second clamping sub-block 342 is connected to the bottom of the second pressing sub-block, when the first pressed sub-block 331 and the second pressed sub-block 332 abut against the supporting surface 210, at least part of the first clamped sub-block 341 and the second clamped sub-block 342 overlaps with the supporting seat 200, the first clamped sub-block 341 and the second clamped sub-block 342 can limit two sides of the diaphragm, and the first pressed sub-block 331 and the second pressed sub-block 332 above can limit the positive pole piece and the negative pole piece.

In order to enable the third clamping surface 313 and the fourth clamping surface 323 to be capable of being abutted against two sides of the membrane on the supporting surface 210 from two sides, and to prevent the third clamping surface 313 and the fourth clamping surface 323 from being obstructed by the supporting seat 200 and being unable to be abutted against two sides of the membrane, in one embodiment, as shown in fig. 4 and 5, at least one first protrusion 351 is convexly disposed on one surface of the first clamping sub-block 341 facing the second clamping sub-block 342, at least one second protrusion 352 is convexly disposed on one surface of the second clamping sub-block 342 facing the first clamping sub-block, at least one first receiving groove 201 is disposed on one side of the supporting seat 200, at least one second receiving groove 202 is disposed on the other side of the supporting seat 200, each first protrusion 351 is movably disposed in one first receiving groove 201, each second protrusion 352 is movably disposed in one second receiving groove 202, the first protrusion 351 is provided with the third clamping surface 313, and the second protrusion 352 is provided with the fourth clamping surface 323.

In this embodiment, three first receiving grooves 201 are formed on one side of the supporting seat 200, three second receiving grooves 202 are formed on the other side of the supporting seat, three first protrusions 351 are formed, three second protrusions 352 are formed, one surface of the first protrusion 351 facing the second clamping sub-block 342 is a third clamping surface 313, one surface of the second protrusion 352 facing the first clamping sub-block 341 is a fourth clamping surface 323, and the first protrusion 351 and the second protrusion 352 are at least partially protruded from the supporting surface 210, so that the third clamping surface 313 and the fourth clamping surface 323 are protruded from the supporting surface 210, so that when the first clamping block 310 and the second clamping block 320 are driven by the second driver to approach each other, the first protrusion 351 and the second protrusion can move into the first receiving groove 201 and the second receiving groove 202, so that the third clamping surface 313 and the fourth clamping surface 323 can move to the inner side of the supporting surface 210 and abut against the two sides of the diaphragm, the diaphragm is clamped, so that the diaphragm is limited.

In order to facilitate viewing whether the first protrusion 351 and the second protrusion 352 clamp the diaphragm from two sides, in an embodiment, at least one first through hole 361 is formed on the first pressing sub-block 331, at least one second through hole 362 is formed on the second pressing sub-block 332, each first through hole 361 is aligned with one first protrusion 351, and each second through hole 362 is aligned with one second protrusion 352, so that the first protrusion 351 and the second protrusion 352 can be viewed through the first through hole 361 and the second through hole 362, and whether the first protrusion 351 and the second protrusion 352 are clamped on two sides of the diaphragm, and whether the diaphragm is pressed or folded is detected.

In order to enable the first clamping block 310 and the second clamping block 320 to firmly abut against the supporting surface 210, and further to clamp the diaphragm better, in one embodiment, the clamping assembly is further connected to the supporting base 200 through an elastic member, the first driver is configured to drive the clamping assembly to move away from the supporting surface 210 against the elastic force of the elastic member, and after the first driver stops working, the first clamping block 310 and the second clamping block 320 abut against the supporting surface 210 under the elastic force of the elastic member.

In this embodiment, the elastic member is used to apply a force to the first clamping block 310 and the second clamping block 320 toward the supporting surface 210, so that the first clamping block 310 and the second clamping block 320 are pressed against the diaphragm of the supporting surface 210. In one embodiment, as shown in fig. 4, one side of the supporting base 200 is provided with at least one first pin 510, the other side of the supporting base 200 is provided with at least one second pin 520, the first clamping block 310 is connected to the supporting base 200 through a first elastic member, and the second clamping block 320 is connected to the supporting base 200 through a second elastic member, in one embodiment, the first elastic member is a spring, and the second elastic member is a spring, in one embodiment, the first elastic member is a tension spring, and the second elastic member is a tension spring, wherein the first elastic member (not shown) is sleeved on the first pin 510, and the second elastic member (not shown) is sleeved on the second pin 520. It should be understood that whether the elastic member is a tension spring or a spring, the first clamping block 310 and the second clamping block 320 can be applied with a force toward the supporting surface 210 by the elastic force, and the tension spring or the spring can be specifically arranged according to the actual structure, which can be known by those skilled in the art and is not described redundantly in the present embodiment.

For example, the first clamping block is provided with a first axial hole, the first pin 510 is disposed in the first axial hole, the first axial hole is movably sleeved outside the first pin 510, the first clamping block is connected with the supporting seat 200 through the first elastic member, the second clamping block is provided with a second axial hole, the second pin 520 is disposed in the second axial hole, the second axial hole is movably sleeved outside the second pin 520, and the second clamping block is connected with the supporting seat 200 through the second elastic member, so that when the first driver is in operation, the first clamping block 310 and the second clamping block 320 can be driven to respectively overcome the elastic forces of the first elastic member and the second elastic member and move in the direction far away from the supporting surface 210, and when the first driver is reset, the first clamping block 310 and the second clamping block 320 tightly abut against the diaphragm on the supporting surface 210 under the elastic forces of the first elastic member and the second elastic member respectively, so that the diaphragm can be firmly pressed against the support base 200.

In one embodiment, as shown in fig. 1-3, a separator pole piece winding device 10 is provided, including a separator pole piece positioning mechanism 100 as described in any of the above embodiments.

In this embodiment, the separator sheet winding device 10 includes a frame 150, the frame 150 is provided with a rotating disk in a rotating manner, the rotating disk is provided with a plurality of separator sheet positioning mechanisms 100, and each separator sheet positioning mechanism 100 moves circumferentially along with the rotating disk, so that the separator sheet positioning mechanisms 100 can move circumferentially on the frame to different stations, and then the feeding and the discharging of the separator and the sheet after winding are realized, and the feeding is performed again.

It should be understood that the implementation of the mechanisms and functions of the membrane feeding, the pole piece feeding, the membrane pole piece winding, the detection, the cell blanking, etc. of the membrane pole piece winding device 10 can be implemented by using the prior art, and can also be implemented by using the improved technology, which is not the invention point protected by the present application, and therefore, the present application is not described in detail herein.

In the above embodiments, the supporting surface of the supporting seat 200 is used for supporting the diaphragm and the pole piece, the first clamping block 310 and the second clamping block 320 are opened, so that the diaphragm can be placed on the supporting surface, when the diaphragm is placed on the supporting surface, the first clamping block 310 and the second clamping block 320 move towards the supporting surface and abut against the diaphragm, so that the diaphragm is pressed and fixed on the supporting surface, and further the diaphragm can be accurately positioned, so that the precision of subsequent winding is higher, and the diaphragm is prevented from being dislocated.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A diaphragm pole piece positioning mechanism, comprising: the device comprises a supporting seat, a first driver, a second driver and a clamping assembly;

the supporting seat is provided with a supporting surface, the first driver is connected with the supporting seat, the first driver is connected with the second driver through a connecting block, the clamping assembly comprises a first clamping block and a second clamping block, the first clamping block and the second clamping block are arranged on two sides of the supporting seat, the second driver is in driving connection with the first clamping block and the second clamping block, the second driver is used for driving the first clamping block and the second clamping block to move close to or away from each other, the first driver is used for driving the connecting block to move, so that the first clamping block and the second clamping block are close to the supporting surface of the supporting seat or far away from the supporting surface of the supporting seat along the direction perpendicular to the supporting surface, and the first clamping block and the second clamping block are movably abutted against the supporting surface.

2. The membrane pole piece positioning mechanism of claim 1, wherein the first clamping block has a first pressing surface, the second clamping block has a second pressing surface, the first pressing surface and the second pressing surface are respectively parallel to the supporting surface, and the first pressing surface and the second pressing surface are respectively and movably abutted against two sides of the supporting surface.

3. The diaphragm pole piece positioning mechanism of claim 2 wherein the first clamping block has a first clamping surface and the second clamping block has a second clamping surface, the first and second clamping surfaces being perpendicular to the support surface and the first and second clamping surfaces being disposed opposite each other, the first and second clamping surfaces being either closer to or farther from each other in a direction parallel to the support surface at the support surface.

4. The membrane pole piece positioning mechanism of claim 3, wherein the first clamping block has a third clamping surface, the second clamping block has a fourth clamping surface, the third clamping surface and the fourth clamping surface are perpendicular to the support surface, the third clamping surface and the fourth clamping surface are oppositely disposed, a distance between the third clamping surface and the fourth clamping surface is greater than a distance between the first clamping surface and the second clamping surface, the third clamping surface and the fourth clamping surface at least partially protrude from the support surface, and the third clamping surface and the fourth clamping surface are closer to or farther from each other in a direction parallel to the support surface.

5. The diaphragm pole piece positioning mechanism of claim 4 wherein the minimum distance between the third clamping surface and the fourth clamping surface is less than the width of the support surface.

6. The membrane pole piece positioning mechanism of claim 5, wherein the first clamping block comprises a first pressed sub-block and a first clamped sub-block, the first pressed sub-block is connected with the first clamped sub-block, the second clamping block comprises a second pressed sub-block and a second clamped sub-block, the second pressed sub-block is connected with the second clamped sub-block, the first pressed sub-block and the first clamped sub-block are disposed on one side of the support base, the second pressed sub-block and the second clamped sub-block are disposed on the other side of the support base, the first pressed sub-block is provided with the first press fit surface and the first clamping surface, the first clamped sub-block is provided with the third clamping surface, the second pressed sub-block is provided with the second press fit surface and the second clamping surface, the second clamped sub-block is provided with the fourth clamping surface, the second driver is in driving connection with the first clamping sub-block and the first clamping sub-block, the first pressing sub-block and the second pressing sub-block are movably arranged on two sides of the supporting surface, and at least part of the first clamping sub-block and the second clamping sub-block protrude out of the supporting surface.

7. The membrane electrode positioning mechanism of claim 6 wherein the first clamping sub-block has at least one first protrusion protruding toward a surface of the second clamping sub-block, the second clamping sub-block has at least one second protrusion protruding toward a surface of the first clamping sub-block, one side of the supporting seat has at least one first receiving groove, the other side of the supporting seat has at least one second receiving groove, each first protrusion is movably disposed in one of the first receiving grooves, each second protrusion is movably disposed in one of the second receiving grooves, the first protrusion has the third clamping surface, and the second protrusion has the fourth clamping surface.

8. The positioning mechanism of any one of claims 1 to 7, wherein the clamping assembly is further connected to the supporting base through an elastic member, the first actuator is configured to drive the clamping assembly to move away from the supporting surface against the elastic force of the elastic member, and when the first actuator is deactivated, the first clamping block and the second clamping block abut against the supporting surface under the elastic force of the elastic member.

9. The membrane pole piece positioning mechanism of any one of claims 1 to 7, wherein the first actuator is a pneumatic cylinder and the second actuator is a clamp pneumatic cylinder.

10. A separator sheet winding apparatus, comprising: the separator sheet positioning mechanism of any of claims 1-9.

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