Assembly of a diaphragm with an electrode plate

Abstract

The application relates to a diaphragm and electrode plate assembling device, which comprises a rack, a feeding mechanism, a cutting mechanism, a conveying mechanism and a pressing mechanism. The feeding mechanism is used for winding a diaphragm to be assembled; the cutting mechanism is arranged in a cutting station and comprises traction assemblies and cutting assemblies which are sequentially distributed along a first direction, the traction assemblies can hold the diaphragm and pull the diaphragm along the first direction to enable the feeding mechanism to release a diaphragm with a set length, the cutting assemblies are arranged at intervals between the feeding mechanism and the traction assemblies, the cutting assemblies can cut the diaphragm along a second direction, and the second direction is arranged at an angle with the first direction; the conveying mechanism can extract the diaphragm in the cutting station and convey the cut diaphragm from the cutting station to an assembling station along the first direction; and the pressing mechanism can press the diaphragm and the electrode plate in the assembling station. The diaphragm and electrode plate assembling device can improve the assembling precision of the diaphragm and the electrode plate and has high assembling efficiency.

Description

Technical Field

[0001] This application relates to the field of battery manufacturing technology, and in particular to an assembly apparatus for a separator and an electrode plate. Background Technology

[0002] Flow batteries, as an energy storage technology with broad application prospects, are playing an increasingly important role in the field of energy storage. Among the many key components of a flow battery, the separator and electrode plates play a crucial role, and their assembly precision has a profound impact on the overall performance of the flow battery.

[0003] In related technologies, the rolled diaphragm is manually cut into sheet-like pieces and then assembled onto the electrode plates. However, the precision of manually cutting the diaphragm is poor, and it is difficult to control the assembly precision of manually assembling the diaphragm and electrode plates, which increases the risk of leakage in the flow battery and results in low assembly efficiency. Utility Model Content

[0004] Therefore, it is necessary to provide an assembly device for the diaphragm and electrode plate to address the above problems, which can improve the assembly accuracy of the diaphragm and electrode plate and has high assembly efficiency.

[0005] An assembly apparatus for a diaphragm and an electrode plate is provided, comprising:

[0006] A frame, wherein a loading station, a cutting station and an assembly station are arranged sequentially along a first direction;

[0007] A feeding mechanism is provided in the feeding station and is used to wind the diaphragm to be assembled.

[0008] A cutting mechanism is provided in the cutting station, and the cutting mechanism includes a traction component and a cutting component that are sequentially distributed along the first direction. The traction component can hold the diaphragm and pull the diaphragm along the first direction so that the feeding mechanism releases the diaphragm of a set length. The cutting component is spaced between the feeding mechanism and the traction component. The cutting component can cut the diaphragm along a second direction, which is at an angle to the first direction.

[0009] A conveying mechanism capable of extracting the diaphragm from the cutting station and conveying the cut diaphragm from the cutting station to the assembly station along the first direction; and

[0010] A clamping mechanism is provided, which can clamp the diaphragm and the electrode plate in the assembly station.

[0011] In one embodiment, a guiding mechanism is further included, which is disposed on the frame and located between the feeding mechanism and the cutting mechanism. The guiding mechanism includes at least one guide roller, and the diaphragm is led out from the feeding mechanism, passes around the guide roller, and extends to the cutting station.

[0012] In one embodiment, the feeding mechanism includes a second support and a drum, the second support being disposed on the frame, the drum being disposed on the second support, and the drum being rotatable relative to the support about its own axis, the drum being used to wind the diaphragm.

[0013] In one embodiment, the cutting mechanism includes a first movable group and a cutting blade connected to the first movable group. The first movable group is disposed on the frame and can reciprocate along the second direction. The cutting blade is capable of cutting the diaphragm.

[0014] In one embodiment, the traction assembly includes a second movable group and a traction member connected to the second movable group, the second movable group being disposed on the frame and capable of reciprocating along the first direction, and the traction member being capable of holding or releasing the diaphragm.

[0015] In one embodiment, the traction assembly further includes a limiting member disposed on the frame and on the side of the traction member facing away from the cutting mechanism, the limiting member being used to restrict the traction member from approaching the assembly station along the first direction.

[0016] In one embodiment, the cutting mechanism further includes a detection component disposed on the side of the cutting blade facing the traction member. The detection component includes detectors disposed on the frame, two detectors being spaced apart along the first direction, and both detectors being used to detect the diaphragm.

[0017] In one embodiment, the conveying mechanism includes a third moving group and an extraction component connected to the third moving group, the third moving group being reciprocating along the first direction, and the extraction component being lifting and lowering and capable of holding or releasing the diaphragm.

[0018] In one embodiment, the extraction assembly includes a lifting component and a suction cup connected to the lifting component, the lifting component being connected to the third moving group, and the suction cup being used to adsorb the diaphragm.

[0019] In one embodiment, the clamping mechanism includes a clamping member connected to the lifting component, and the suction cup component is disposed on the clamping member.

[0020] The aforementioned diaphragm and electrode plate assembly device, through the cooperation of a feeding mechanism, a cutting mechanism, a conveying mechanism, and a pressing mechanism, allows the diaphragm to be released to a set length by the feeding mechanism. This enables the cutting mechanism to cut the diaphragm to the required size at the cutting station. The cutting diaphragm is then transferred to the assembly station by the conveying mechanism and pressed against the electrode plate to complete the assembly of the diaphragm and electrode plate. Compared with the traditional manual assembly method, the assembly device of this application can cut the diaphragm to the required size and automatically assemble the cut diaphragm with the electrode plate, improving the accuracy of the diaphragm and electrode plate assembly, and facilitating automation and improving assembly efficiency. Attached Figure Description

[0021] Figure 1 This is a perspective view of an assembly device for a diaphragm and an electrode plate in some embodiments of this application.

[0022] Figure 2 for Figure 1 A magnified view of a portion of point A in the middle.

[0023] Figure 3 This is a perspective view of the assembly device of the diaphragm and electrode plate in some embodiments of this application from another angle.

[0024] Figure 4 This is a top view of the assembly device for the diaphragm and electrode plate in some embodiments of this application.

[0025] Figure 5 for Figure 4 A magnified view of a section at point B.

[0026] Figure 6 This is a side view of the assembly apparatus for the diaphragm and electrode plate in some embodiments of this application.

[0027] In the picture:

[0028] 1. Frame; 11. Loading station; 12. Cutting station; 13. Assembly station; 2. Loading mechanism; 21. Second support; 22. Roller; 3. Cutting mechanism; 31. First moving group; 32. Cutting blade; 33. Second moving group; 34. Traction component; 341. Connecting rod; 342. Clamping part; 35. Limiting component; 4. Guiding mechanism; 41. Guide roller; 42. First support; 5. Conveying mechanism; 51. Third moving group; 52. Lifting component; 53. Suction cup component; 6. Pressing mechanism; 61. Pressing component; 611. First pressure plate; 612. Second pressure plate; 100. Diaphragm. Detailed Implementation

[0029] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0030] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0031] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0032] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0033] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0034] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0035] See Figure 1 , Figure 4 and Figure 6 , Figure 1 A perspective view of an assembly device for a diaphragm and an electrode plate in some embodiments of the application is shown at an angle. Figure 4 A top view of an assembly apparatus for a diaphragm and an electrode plate is shown in some embodiments of this application; Figure 6A side view of an assembly apparatus for a diaphragm and electrode plate according to some embodiments of this application is shown. An embodiment of this application provides an assembly apparatus for a diaphragm and electrode plate (hereinafter referred to as the assembly apparatus), including a frame 1, a feeding mechanism 2, a cutting mechanism 3, a conveying mechanism 5, and a pressing mechanism 6. The frame 1 is provided with a feeding station 11, a cutting station 12, and an assembly station 13 arranged sequentially along a first direction. The feeding mechanism 2 is disposed in the feeding station 11 and is used to wind the diaphragm 100 to be assembled. The cutting mechanism 3 is disposed in the cutting station 12 and includes a traction component and a cutting component arranged sequentially along the first direction. The traction component can hold the diaphragm 100 and pull the diaphragm 100 along the first direction, so that the feeding mechanism 2 releases a set length of the diaphragm 100. The cutting component is spaced between the feeding mechanism 2 and the traction component, and the cutting component can cut the diaphragm 100 along a second direction, which is angled to the first direction. In this example, the second direction is perpendicular to the first direction, and both the first and second directions are horizontal. In the figure, the X arrow points to the first direction, and the Y arrow points to the second direction. The conveying mechanism 5 can extract the diaphragm 100 from the cutting station 12 and convey the cut diaphragm 100 from the cutting station 12 to the assembly station 13 along the first direction. The clamping mechanism 6 can clamp the diaphragm 100 to the electrode plate in the assembly station 13.

[0036] The diaphragm 100 to be assembled is wound in the feeding mechanism 2. The traction component can hold the diaphragm 100 and pull the diaphragm 100 along the first direction according to the assembly requirements, so that the feeding mechanism 2 can release the diaphragm 100 of a set length. The diaphragm 100 is released from the feeding mechanism 2 and pulled to the cutting station 12. The cutting component cuts the diaphragm 100 along the second direction to obtain a sheet-like diaphragm 100. Then, the conveying mechanism 5 transports the diaphragm 100 cut in the cutting station 12 to the assembly station 13, so that the diaphragm 100 is placed on the upper side of the electrode plate located in the assembly station 13. Then, the pressing mechanism 6 presses the diaphragm 100 and the electrode plate together to complete the assembly of the diaphragm 100 and the electrode plate.

[0037] This assembly device, through the cooperation of the feeding mechanism 2, the cutting mechanism 3, the conveying mechanism 5, and the pressing mechanism 6, releases the diaphragm 100 to a set length by the feeding mechanism 2. This allows the cutting mechanism 3 to cut the diaphragm 100 to the required dimensions at the cutting station 12. The conveying mechanism 5 then transfers the cut diaphragm 100 to the assembly station 13 to be pressed against the electrode plate, thus completing the assembly of the diaphragm 100 and the electrode plate. Compared to traditional manual assembly methods, this assembly device can cut the diaphragm 100 to the required dimensions and automatically assemble the cut diaphragm 100 with the electrode plate, improving the accuracy of the assembly and enhancing automation, thereby effectively increasing assembly efficiency.

[0038] In actual implementation, before the diaphragm 100 enters the assembly station 13, the carrier moves the electrode plate to be assembled with the diaphragm 100 to the set position in the assembly station 13. In this way, the precise assembly of the diaphragm 100 and the electrode plate can be guaranteed.

[0039] It should be noted that in other examples, the angle between the second direction and the first direction can be flexibly adjusted according to actual needs, and there are no specific restrictions on the second direction and the first direction here.

[0040] In some embodiments, see further reference. Figure 1 and Figure 4 The assembly device also includes a guiding mechanism 4, which is mounted on the frame 1 and located between the feeding mechanism 2 and the cutting mechanism 3. The guiding mechanism 4 includes at least one guide roller 41. The diaphragm 100 is led out from the feeding mechanism 2, passes around the guide roller 41, and extends to the cutting station 12. In this example, the guiding mechanism 4 also includes a first bracket 42, on which the guide roller 41 is mounted. The axis of the guide roller 41 is parallel to the second direction, and the guide roller 41 can rotate about its own axis. By setting the diaphragm 100 to be led out from the feeding mechanism 2, passes around the guide roller 41, and extends to the cutting station 12, the portion of the diaphragm 100 located between the feeding mechanism 2 and the cutting station 12 can be surrounded by the guide roller 41. In this way, the guide roller 41 can not only guide the release of the diaphragm 100, reducing the risk of wrinkles in the diaphragm 100, but also increase the tension of the diaphragm 100, which is beneficial for the traction assembly to pull the diaphragm 100 out.

[0041] In this example, the guiding mechanism 4 includes a plurality of guide rollers 41 spaced apart sequentially along a first direction. When both the first and second directions are horizontal, adjacent guide rollers 41 are spaced apart along a vertical direction. In the figure, the direction indicated by the Z-arrow is the vertical direction.

[0042] Combination Figure 1 The feeding mechanism 2 includes a second support 21 and a drum 22. The second support 21 is mounted on the frame 1, and the drum 22 is mounted on the second support 21. Thus, the second support 21 provides support for the drum 22, allowing the drum 22 to be supported on the frame 1. The axis of the drum 22 is parallel to a second direction, and the drum 22 can rotate relative to the second support 21 around its own axis. The drum 22 is used to wind the diaphragm 100. When the traction mechanism pulls the diaphragm 100, the traction force drives the drum 22 to rotate around its own axis, thereby releasing the diaphragm 100.

[0043] In some embodiments, see Figure 1 , Figure 2 and Figure 3The cutting mechanism 3 includes a first moving assembly 31 and a cutting blade 32 connected to the first moving assembly 31. The first moving assembly 31 is mounted on the frame 1 and can drive the cutting blade 32 to reciprocate along a second direction. The cutting blade 32 can cut the diaphragm 100 under the drive of the first moving assembly 31. The first moving assembly 31 includes a first guide portion and a first moving portion. The first guide portion extends along the second direction, and the first moving portion can reciprocate along the second direction. The cutting blade 32 is connected to the first moving portion. During the movement of the first moving portion along the second direction, it drives the cutting blade 32 to move along the second direction, thereby cutting the diaphragm 100.

[0044] Furthermore, combined Figure 3 and Figure 5 The traction assembly includes a second movable group 33 and a traction member 34 connected to the second movable group 33. The second movable group 33 is disposed on the frame 1 and can drive the traction member 34 to reciprocate along a first direction. The traction member 34 can hold or release the diaphragm 100. In this example, the second movable group 33 includes a second guide portion and a second movable portion. The second guide portion extends along the first direction and is disposed on the frame 1. The second movable portion can reciprocate along the first direction on the second guide portion. The traction member 34 is connected to the second movable portion. During the movement of the second movable portion in the first direction, it drives the traction member 34 to move synchronously, thereby enabling the traction member 34 to pull the diaphragm 100 to release along the first direction.

[0045] In one example, the traction member 34 includes a connecting rod 341 and a clamping part 342 connected to the connecting rod 341. The clamping part 342 is connected to the second moving part via the connecting rod 341. The clamping part 342 can clamp or release the diaphragm 100. When it is necessary to release the diaphragm 100, the clamping part 342 clamps the diaphragm 100. After the cutting assembly cuts the diaphragm 100, the clamping part 342 releases its clamping of the diaphragm 100 so that the subsequent conveying mechanism 5 can convey the diaphragm 100.

[0046] Furthermore, the length of the connecting rod 341 extends along the second direction, and there are multiple clamping parts 342. The multiple clamping parts 342 are distributed sequentially at intervals along the length direction of the connecting rod 341. In this way, when the diaphragm 100 is pulled, the diaphragm 100 can be clamped simultaneously by the multiple clamping parts 342, so that the diaphragm 100 can be laid flat in the cutting station 12.

[0047] In order to precisely control the length of the traction member 34 pulling the diaphragm 100 along the first direction, in one example, combined with Figure 3The traction assembly also includes a limiting member 35, which is mounted on the frame 1 and positioned on the side of the traction member 34 facing away from the cutting mechanism 3. The limiting member 35 restricts the traction member 34 from approaching the assembly station 13 along the first direction. Due to the setting of the limiting member 35, when the distance the traction member 34 moves towards the assembly station 13 along the first direction is equal to the set length, the limiting member 35 blocks the traction member 34 on the side facing away from the cutting mechanism 3, restricting the traction member 34 from continuing to move towards the assembly station 13. This prevents the traction member 34 from pulling the diaphragm 100 to a length greater than the set length, ensuring the accuracy of the cutting diaphragm 100.

[0048] It is understandable that the set length is determined based on the required size of the diaphragm 100 during actual implementation. Therefore, the specific length can be set according to actual needs.

[0049] In actual implementation, the assembly device also includes a main controller, which is communicatively connected to the first moving group 31 and the second moving group 33 respectively. The main controller can control the movement stroke of the first moving group 31 and the second moving group 33 respectively through a program. With the cooperation of the main controller and the limiting member 35, the length of the diaphragm 100 being released can be precisely controlled.

[0050] To further improve the cutting accuracy of the diaphragm 100, the cutting mechanism 3 also includes a detection assembly (not shown in the figure) disposed on the side of the cutting blade 32 facing the traction member 34. The detection assembly includes two detectors, both disposed on the frame 1, spaced apart along a first direction, and both detectors are used to detect the diaphragm 100. When both detectors detect the diaphragm 100, the first moving group 31 drives the cutting blade 32 to cut the diaphragm 100. When both detectors detect the diaphragm 100, it indicates that the diaphragm 100 has been released, and the diaphragm 100 is not shifted on the cutting station 12, or the shift of the diaphragm 100 on the cutting station 12 is within the allowable error range. In actual implementation, when the cutting blade 32 is blocked by the limiting member 35 (i.e., the cutting blade 32 abuts against one side of the limiting member 35), and both detectors detect the diaphragm 100, the cutting blade 32 performs the action of cutting the diaphragm 100; otherwise, the action of cutting the diaphragm 100 is not performed.

[0051] In some embodiments, see Figure 1The conveying mechanism 5 includes a third moving group 51 and an extraction component connected to the third moving group 51. The third moving group 51 can drive the extraction component to reciprocate along a first direction, and the extraction component can hold or release the diaphragm 100. The third moving group 51 includes a third guide portion and a third moving portion. The third guide portion extends along the first direction, and the third moving portion can reciprocate along the first direction on the third guide portion. During the movement of the third moving portion on the third guide portion, it drives the extraction component to move in the first direction, thereby realizing the transfer of the diaphragm 100 to be assembled.

[0052] Combination Figure 5 The extraction assembly includes a lifting component 52 and a suction cup component 53 connected to the lifting component 52. The lifting component 52 is connected to a third moving group 51, and the suction cup component 53 is used to adsorb the diaphragm 100. The lifting and lowering of the lifting component 52 causes the suction cup component 53 to rise and fall. When the lifting component 52 descends, it causes the suction cup component 53 to descend, bringing it closer to the diaphragm 100 to adsorb it. When the lifting component 52 rises, it causes the suction cup component 53 to rise, and the diaphragm 100 adsorbed on the suction cup component 53 is lifted to a certain height. Then, the third moving group 51 drives the lifting component 52, the suction cup component 53, and the diaphragm 100 together to approach the assembly station 13 along the first direction. After the lifting component 52 moves into place in the first direction, it causes the suction cup component 53 to descend, and then the suction cup component 53 releases the diaphragm 100 onto the electrode plate of the assembly station 13.

[0053] In one example, the clamping mechanism 6 includes a clamping member 61 connected to a lifting component 52. A suction cup 53 is mounted on the clamping member 61. This arrangement concentrates the suction cup 53 and the clamping member 61, and the conveying diaphragm 100 and the clamping diaphragm 100 share the same lifting component 52, which helps reduce the cost of the assembly device. The clamping member 61 can clamp the diaphragm 100 and the electrode plate, pressing the edges of the diaphragm 100 and the electrode plate together to complete the assembly of the diaphragm 100 and the electrode plate.

[0054] Furthermore, the clamping member 61 includes a first pressure plate 611, an elastic body, and a second pressure plate 612. The first pressure plate 611 is connected to the lifting member 52, and the elastic body is connected between the first pressure plate 611 and the second pressure plate 612. In this example, the elastic body is a compression spring. The second pressure plate 612 is used to contact the diaphragm 100, and the suction cup member 53 is mounted on the second pressure plate 612. The second pressure plate 612 is used to contact the diaphragm 100. During the pressing of the diaphragm 100 and the electrode plate, the suction cup 53 does not perform the action of adsorbing the diaphragm 100. At this time, the suction cup 53 does not have the adsorption function. The lifting component 52 descends, causing the pressing component 61 to descend as a whole, so that the second pressing plate 612 contacts the diaphragm 100. As the lifting component 52 continues to descend, the second pressing plate 612 continues to apply a pressing force to the diaphragm 100. Due to the presence of the elastic body, the pressing force of the second pressing plate 612 on the diaphragm 100 is buffered, thereby making the pressing force between the diaphragm 100 and the electrode plate more stable, which is conducive to improving the pressing effect between the diaphragm 100 and the electrode plate, thereby improving the assembly effect of the diaphragm 100 and the electrode plate.

[0055] It should be noted that in other examples, the clamping mechanism 6 and the extraction component can be set separately. That is, the clamping mechanism 6 can be equipped with a lifting structure that is independent of the lifting component 52 of the extraction component, and the lifting of the clamping mechanism 6 can be controlled separately through the lifting structure.

[0056] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0057] The above embodiments merely illustrate several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. An assembly device for a diaphragm and an electrode plate, characterized in that, include: A frame, wherein a loading station, a cutting station and an assembly station are arranged sequentially along a first direction; A feeding mechanism is provided in the feeding station and is used to wind the diaphragm to be assembled. A cutting mechanism is provided in the cutting station, and the cutting mechanism includes a traction component and a cutting component that are sequentially distributed along the first direction. The traction component can hold the diaphragm and pull the diaphragm along the first direction so that the feeding mechanism releases the diaphragm of a set length. The cutting component is spaced between the feeding mechanism and the traction component. The cutting component can cut the diaphragm along a second direction, which is at an angle to the first direction. A conveying mechanism is provided, which is capable of extracting the diaphragm from the cutting station and conveying the cut diaphragm from the cutting station to the assembly station along the first direction; and A clamping mechanism is provided, which can clamp the diaphragm and the electrode plate in the assembly station.

2. The diaphragm and electrode plate assembly device according to claim 1, characterized in that, It also includes a guiding mechanism, which is disposed on the frame and located between the feeding mechanism and the cutting mechanism. The guiding mechanism includes at least one guide roller, and the diaphragm is led out by the feeding mechanism, passes around the guide roller, and extends to the cutting station.

3. The assembly apparatus for the diaphragm and electrode plate according to claim 1, characterized in that, The feeding mechanism includes a second support and a drum. The second support is mounted on the frame, and the drum is mounted on the second support. The drum can rotate relative to the support about its own axis. The drum is used to wind the diaphragm.

4. The diaphragm and electrode plate assembly device according to claim 1, characterized in that, The cutting mechanism includes a first moving group and a cutting blade connected to the first moving group. The first moving group is disposed on the frame and can drive the cutting blade to reciprocate along the second direction. The cutting blade can cut the diaphragm under the drive of the first moving group.

5. The diaphragm and electrode plate assembly device according to claim 4, characterized in that, The traction assembly includes a second moving group and a traction member connected to the second moving group. The second moving group is disposed on the frame and can drive the traction member to reciprocate along the first direction. The traction member can hold or release the diaphragm.

6. The diaphragm and electrode plate assembly device according to claim 5, characterized in that, The traction assembly further includes a limiting member disposed on the frame and on the side of the traction member facing away from the cutting mechanism. The limiting member is used to restrict the traction member from approaching the assembly station along the first direction.

7. The diaphragm and electrode plate assembly device according to claim 5, characterized in that, The cutting mechanism further includes a detection component disposed on the side of the cutting blade facing the traction member. The detection component includes two detectors disposed on the frame. The two detectors are spaced apart along the first direction, and both detectors are used to detect the diaphragm. When both detectors detect the diaphragm, the first moving group drives the cutting blade to cut the diaphragm.

8. The assembly apparatus for the diaphragm and electrode plate according to claim 1, characterized in that, The conveying mechanism includes a third moving group and an extraction component connected to the third moving group. The third moving group can drive the extraction component to reciprocate along the first direction, and the extraction component can hold or release the diaphragm.

9. The diaphragm and electrode plate assembly device according to claim 8, characterized in that, The extraction assembly includes a lifting component and a suction cup connected to the lifting component. The lifting component is connected to the third moving group, and the suction cup is used to adsorb the diaphragm.

10. The diaphragm and electrode plate assembly apparatus according to claim 9, characterized in that, The clamping mechanism includes a clamping member connected to the lifting component, and the suction cup component is disposed on the clamping member.

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