Stacking equipment

Abstract

This application provides a stacking apparatus, relating to the field of battery manufacturing technology. A stacking table is used to carry electrodes and separators. A traversing mechanism is located above the stacking table along a first direction. The traversing mechanism drives a membrane roll along a second direction to a designated position on the stacking table and releases the separator from the membrane roll. A fixing mechanism is disposed below the traversing mechanism along the first direction. The fixing mechanism and the stacking table are arranged at intervals along the second direction. The fixing mechanism is used to fix the head of the separator moved and released by the traversing mechanism at the beginning of stacking, and to fix the tail of the separator released by the traversing mechanism at the end of stacking. A cutting mechanism is disposed between the stacking table and the fixing mechanism along the second direction, and is disposed relatively below the traversing mechanism along the first direction. Along the direction from the stacking table to the traversing mechanism, the cutting mechanism is used to cut the head and / or tail of the separator. This stacking apparatus has a simple structure, is easy to operate, and can improve the stacking efficiency of batteries.

Description

Technical Field

[0001] This application relates to the field of battery manufacturing technology, and in particular to a stacking device. Background Technology

[0002] In existing automated lithium battery stacking equipment, a separator traction mechanism is typically used to guide the separator from the unwinding mechanism and position it at a designated location on the stacking table to achieve Z-shaped alternating stacking of the positive and negative electrode sheets and the separator. A typical structure includes a clamping assembly, a rotary drive assembly, and a moving drive assembly. The spatial position of the clamping assembly is adjusted through multi-axis linkage to complete the gripping and positioning of the separator end.

[0003] However, the structure of the aforementioned stacking equipment is complex, which leads to complicated operating logic and affects the stacking efficiency of the battery. Summary of the Invention

[0004] This application provides a stacking device to solve the technical problem that the stacking device of the prior art has a complex structure, which leads to complex operation logic and affects the stacking efficiency of the battery.

[0005] To achieve the above objectives, the embodiments of this application provide the following technical solutions:

[0006] A first aspect of this application provides a stacking apparatus, comprising:

[0007] Stacking stage, used to support electrodes and separators;

[0008] A transverse movement mechanism, along a first direction, is located above the stacking table. The transverse movement mechanism is used to move the membrane roll along a second direction to a designated position on the stacking table and release the diaphragm on the membrane roll.

[0009] A fixing mechanism is provided along the first direction, located below the transverse moving mechanism, and the fixing mechanism and the stacking table are arranged at intervals along the second direction;

[0010] The fixing mechanism is used to fix the head of the diaphragm that is moved and released by the transverse mechanism at the beginning of the stacking, and to fix the tail of the diaphragm that is released by the transverse mechanism at the end of the stacking.

[0011] A cutting mechanism, along the second direction, is disposed between the stacking table and the fixing mechanism, and is disposed below the transverse moving mechanism along the first direction;

[0012] Along the direction from the stacking table to the transverse mechanism, the cutting mechanism is used to cut the head and / or tail of the diaphragm;

[0013] The second direction is perpendicular to the first direction.

[0014] This application provides a stacking device that can complete the conveying and positioning of the separator through the unidirectional movement of the transverse mechanism, while the fixing mechanism and the cutting mechanism remain stationary, fundamentally eliminating mechanical interference and cumulative errors caused by the linkage of multiple mechanisms. The overall structure is simple, easy to assemble and maintain, and suitable for highly automated, high-cycle lithium battery production lines, especially suitable for power battery or energy storage battery manufacturing scenarios with stringent consistency requirements, thereby improving battery stacking efficiency.

[0015] Furthermore, the cutting mechanism of this application is fixedly installed on the frame rather than integrated on the transverse mechanism, which significantly reduces the motion inertia and load of the transverse system and improves the stability and response speed of the equipment operation; the fixing mechanism reliably positions and clamps the head and tail ends of the diaphragm, avoiding the problem of uneven tails on both sides caused by gravity deformation in traditional cantilever clamping, and fundamentally eliminating the resulting diaphragm tension imbalance and wrinkle defects.

[0016] Based on the above technical solution, the following improvements can be made to this application.

[0017] In one possible implementation, the fixing mechanism includes an adsorption component and a clamping component;

[0018] An adsorption component has an adsorption surface for adsorbing the head or the tail.

[0019] A clamping assembly is disposed at both ends of the adsorption assembly along a third direction. The clamping assembly is used to clamp the two ends of the head or the tail in the width direction and drive the head or the tail to adhere to the adsorption surface.

[0020] The third direction is perpendicular to both the first direction and the second direction.

[0021] In one possible implementation, the clamping component includes:

[0022] A first clamping member and a second clamping member are used to clamp the two ends of the head or the tail along the width direction;

[0023] A first moving structure is used to move the first clamping member and the second clamping member away from or toward the adsorption surface of the adsorption assembly.

[0024] In one possible implementation, the adsorption component includes:

[0025] An adsorption plate is disposed between the first clamping member and the second clamping member along the third direction, and the adsorption surface has a plurality of adsorption holes spaced apart along the third direction.

[0026] A first vacuum pump is connected to the adsorption pores and provides suction so that the adsorption pores on the adsorption surface can be used to adsorb the head or tail of the diaphragm.

[0027] In one possible implementation, the cutting mechanism includes:

[0028] A cutting blade is disposed between the fixing mechanism and the stacking table along the second direction, and is disposed opposite to the transverse moving mechanism along the first direction. The cutting blade is used to cut the head or the tail along the direction from the stacking table to the transverse moving mechanism.

[0029] The second moving structure is used to drive the cutting blade to reciprocate along the first direction.

[0030] In one possible implementation, the stacking device further includes a clamping mechanism;

[0031] The clamping mechanism is used to press and fix the stacked electrodes on the stacking table toward the stacking table.

[0032] In one possible implementation, the clamping mechanism includes a first clamping claw and a second clamping claw;

[0033] The first and second pressure claws alternately apply pressure to the uppermost electrode on the stacking stage.

[0034] In one possible implementation, the stacking device further includes a recycling mechanism;

[0035] The recycling mechanism is used to recycle the head that has been cut by the cutting mechanism.

[0036] In one possible implementation, the recycling mechanism includes:

[0037] A suction assembly is disposed along the second direction on the side of the fixing mechanism opposite to the cutting mechanism, and the suction assembly is used to suction the head cut by the cutting mechanism;

[0038] A collection box, connected to the suction assembly, is used to collect the head after back cutting obtained by the suction assembly.

[0039] In one possible implementation, the suction component includes:

[0040] A surrounding panel is disposed on the side of the fixing mechanism facing away from the cutting mechanism. The surrounding panel is used to form a suction cavity and a suction port with the fixing mechanism. The suction port corresponds to the head fixed by the fixing mechanism.

[0041] A connecting structure, one end of which is connected to the suction chamber;

[0042] The second vacuum pump is connected to the other end of the connecting structure. The second vacuum pump is used to provide suction to the suction chamber through the connecting structure and to draw the head at the suction port into the collection box. Attached Figure Description

[0043] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0044] Figure 1 This is a schematic diagram of the structure of a lamination device provided in an embodiment of this application;

[0045] Figure 2 for Figure 1 A partial structural diagram of the lamination equipment in the diagram;

[0046] Figure 3 for Figure 1 A diagram showing the positions of various structures in the lamination equipment before lamination.

[0047] Figure 4 for Figure 3 A schematic diagram of the transverse transfer mechanism in the lamination equipment, which lays the diaphragm toward the lamination table;

[0048] Figure 5 for Figure 4 A schematic diagram of the stacking equipment in the middle when it starts stacking wafers in a "Z" shape;

[0049] Figure 6 for Figure 5 A schematic diagram of the cutting head of the cutting mechanism after the stacking equipment has performed several stacking operations;

[0050] Figure 7 for Figure 6 A schematic diagram of the stacking equipment in the diagram showing the cutting mechanism cutting the tail end after the stacking is completed.

[0051] Explanation of reference numerals in the attached figures:

[0052] 10. Electrode; 20. Diaphragm;

[0053] 21. Head; 22. Tail;

[0054] 100. Stacking table;

[0055] 200. Transverse movement mechanism;

[0056] 300. Fixed mechanism;

[0057] 310. Adsorption component; 320. Clamping component;

[0058] 311. Adsorption surface; 312. Adsorption plate; 313. Adsorption pore;

[0059] 321. First clamping component; 322. Second clamping component;

[0060] 400. Cutting mechanism;

[0061] 410. Cutting knife;

[0062] 500. Clamping mechanism;

[0063] 510. First pressure jaw; 520. Second pressure jaw;

[0064] 600. Recycling organizations;

[0065] 610. Suction assembly; 620. Collection box;

[0066] 611. Enclosure panel; 612. Suction chamber; 613. Suction port; 614. Connecting structure;

[0067] Z, first direction; X, second direction; Y, third direction. Detailed Implementation

[0068] As described in the background section, the stacking equipment in the related technologies has a complex structure, which leads to complex operating logic and affects the stacking efficiency of the battery.

[0069] The problem arises because existing automated lithium-ion battery stacking equipment typically employs a separator traction mechanism to guide the separator from the unwinding mechanism and position it at a designated location on the stacking table, enabling the Z-shaped alternating stacking of the positive and negative electrode sheets and the separator. A typical structure includes a clamping assembly, a moving drive assembly, and a traversing mechanism. The spatial position of the clamping assembly is adjusted via multi-axis linkage to grip and position the separator end. The traversing mechanism moves laterally and releases the separator onto the stacking table to achieve stacking. However, because the clamping assembly and the traversing mechanism move in the same direction and both need to move laterally above the stacking table, interference occurs when they move simultaneously. One step must be completed before the other can begin, making the stacking equipment's operational logic overly complex. The inability to perform the two steps simultaneously negatively impacts the battery stacking efficiency.

[0070] Furthermore, such devices typically integrate the cutting mechanism into the clamping assembly, which moves synchronously with it and cuts the diaphragm using a top-down cutting method. Meanwhile, the clamping mechanism is often a cantilever structure, fixed to a movable platform that can be raised, lowered, and translated.

[0071] Because the clamping assembly is a single-sided cantilever installation, it is prone to sagging and deformation under the influence of gravity and the clearance between the bearing and the shaft. This results in uneven lengths on both sides of the clamped diaphragm, leading to uneven tension distribution, wrinkles, and even the risk of short circuits. In addition, the cutting mechanism is mounted on the clamping assembly, increasing the load on the clamping assembly, affecting operational stability and response speed. Furthermore, the top-mounted cutting blade is inconvenient to maintain and its accuracy is easily affected by vibration.

[0072] To address the aforementioned technical problems, this application provides a stacking device that achieves the conveying and positioning of the separator through the unidirectional movement of the transverse mechanism, while the fixing and cutting mechanisms remain stationary, fundamentally eliminating mechanical interference and cumulative errors caused by the linkage of multiple mechanisms. The overall structure is simple, easy to assemble and maintain, and suitable for highly automated, high-cycle lithium battery production lines, especially for power batteries or energy storage batteries with stringent consistency requirements, thereby improving battery stacking efficiency.

[0073] Furthermore, the cutting mechanism of this application is fixedly installed on the frame rather than integrated on the transverse mechanism, which significantly reduces the motion inertia and load of the transverse system and improves the stability and response speed of the equipment operation; the fixing mechanism reliably positions and clamps the head and tail ends of the diaphragm, avoiding the problem of uneven tails on both sides caused by gravity deformation in traditional cantilever clamping, and fundamentally eliminating the resulting diaphragm tension imbalance and wrinkle defects.

[0074] To make the above-mentioned objectives, features, and advantages of the embodiments of this application more apparent and understandable, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0075] refer to Figure 1 , Figure 2 , Figure 6 and Figure 7 This application provides a stacking device, which may include a stacking table 100, a transverse mechanism 200, a fixing mechanism 300, and a cutting mechanism 400.

[0076] The stacking stage 100 is used to support the electrode 10 and the separator 20. As the foundation platform for the entire stacking process, the stacking stage 100 supports the positive and negative electrode 10 and the separator 20 materials, and provides a stable stacking reference surface. The stacking stage 100 is typically machined from a high-strength metal material (such as aluminum alloy or stainless steel), and its surface is precision ground to ensure flatness and smoothness, preventing displacement or warping of the electrode 10 during stacking. Its arrangement direction corresponds to the first direction (e.g., Figure 1 The Z direction in the figure refers to the direction in which the electrode 10 is stacked and extended, which is also the length direction of the electrode core. The stacking stage 100 may be configured with an array of adsorption holes 313 and adsorb the bottom layer of the separator 20 through a vacuum system to enhance the adhesion reliability of the initial layer separator 20.

[0077] Along the first direction, the transverse mechanism 200 is located above the stacking table 100. The transverse mechanism 200 is used to move the membrane roll along the second direction to a designated position on the stacking table 100 and release the diaphragm 20 on the membrane roll.

[0078] The transverse movement mechanism 200 is positioned above the stacking table 100 and extends along the first direction. Its overall structure is fixed to the frame plate, providing excellent structural rigidity and shock resistance. The transverse movement mechanism 200 includes a drive unit (such as a servo motor), transmission components (such as a synchronous belt or ball screw), and a guide structure (such as a linear guide rail). It drives the membrane roll support or roller assembly to reciprocate along the second direction (i.e., perpendicular to the length of the electrode core, typically the width direction of the electrode sheet 10). During the stacking process, the transverse movement mechanism 200 controls the continuous release of the diaphragm 20 from the membrane roll and its precise placement on the surface of the stacking table 100, achieving a Z-shaped alternating coverage of the positive and negative electrode sheets 10. Because the transverse movement mechanism 200 only bears the weight of the membrane roll and its supporting structure and does not integrate a cutting function module, the motion load is significantly reduced, improving operational stability and positioning accuracy.

[0079] The fixing mechanism 300 is positioned below the transverse moving mechanism 200 along a first direction, and the fixing mechanism 300 and the stacking table 100 are positioned along a second direction (e.g., ...). Figure 1 Arranged at intervals in the X direction.

[0080] The fixing mechanism 300 is used to fix the head 21 of the diaphragm 20 that is moved and released by the transverse mechanism 200 at the beginning of the stacking, and to fix the tail 22 of the diaphragm 20 that is released by the transverse mechanism 200 at the end of the stacking.

[0081] In some embodiments, the tail 22 of the diaphragm 20 of the previous stacked electrode core 10 is also the tail 22 of the diaphragm 20 in the next electrode core 10 to be stacked.

[0082] The fixing mechanism 300 is located in the area below the transverse mechanism 200 along the first direction and is arranged at a certain distance from the stacking stage 100 in the second direction, forming an independent functional area. This fixing mechanism 300 is mainly used to fix the head 21 of the diaphragm 20, which is transported to the position by the transverse mechanism 200, at the beginning of the stacking process, and to fix the tail 22 of the diaphragm 20, which is released for the last time, at the end of the stacking process. By pre-locking the head and tail ends, the starting and ending positions of the diaphragm 20 are ensured to be consistent in height during each stacking cycle, thereby ensuring the consistency of the tail length of the diaphragm 20 between each electrode core and at both ends of the same electrode core. This mechanism does not move with the transverse mechanism 200 and always remains within a fixed spatial coordinate system, thus avoiding trajectory conflicts and mechanical interference with other moving parts. Its specific implementation can include an adsorption structure (such as a vacuum suction plate) or a clamping structure (such as a pneumatic gripper), or a combination of both to form a composite fixing method.

[0083] A cutting mechanism 400 is disposed between the stacking table 100 and the fixing mechanism 300 along the second direction, and is disposed below the transverse moving mechanism 200 along the first direction. Along the direction from the stacking table 100 to the transverse moving mechanism 200, the cutting mechanism 400 is used to cut the head 21 and / or tail 22 of the diaphragm 20.

[0084] The cutting mechanism 400 is positioned along the second direction between the stacking table 100 and the fixing mechanism 300, and is located relatively below the transverse moving mechanism 200 along the first direction, i.e., below the movement trajectory of the transverse moving mechanism 200. This arrangement ensures that the cutting action can be safely performed after the transverse moving mechanism 200 has passed, without collision. More importantly, the cutting mechanism 400 itself is stationary, and the cutting operation is completed solely through the lifting and lowering movement of the internal cutting blade 410. The cutting direction is along the stacking table 100 towards the transverse moving mechanism 200, i.e., cutting from bottom to top, unlike the traditional top-down cutting method. This reverse cutting design eliminates the need for the cutting components to be mounted on the highly dynamic transverse moving mechanism 200, thereby reducing the overall mass and complexity of the motion system, reducing vibration sources, and improving cutting stability and lifespan.

[0085] The first and second directions are perpendicular to each other, forming an orthogonal coordinate system in a two-dimensional plane. This spatial layout allows each functional mechanism to work collaboratively within its own independent spatial area without interfering with each other. For example, when the lateral movement mechanism 200 performs the lateral laying action of the diaphragm 20 in the second direction, the cutting mechanism 400 remains stationary below the first direction; when cutting is required, the cutting mechanism 400 moves up and down in the first direction, while the lateral movement mechanism 200 can pause or move to a safe area, achieving spatiotemporal misalignment coordination control.

[0086] In its implementation, the lateral movement mechanism 200 is initially located on the negative electrode side. When a new electrode core needs to be stacked, the lateral movement mechanism 200 moves the membrane roll towards the positive electrode side, releasing a section of the separator 20. At this time, the fixing mechanism 300 is ready. When the head 21 of the separator 20 reaches its working area, it immediately initiates an adsorption or clamping action to firmly fix it. Subsequently, the cutting mechanism 400 rises, passes through the gap between the stacking table 100 and the fixing mechanism 300, and completes the cutting of the head 21 of the separator 20. Similarly, after one electrode core is stacked, the lateral movement mechanism 200 moves to the other side to release the tail 22 of the separator 20. The fixing mechanism 300 repeats the above fixing action, and the cutting mechanism 400 rises again to complete the cutting of the tail 22. The two cuttings occur at the beginning and end of the stacking, respectively, ensuring that the tail length of the separator 20 at both ends of each electrode core is consistent and that there is good repeatability across batches.

[0087] Through the above technical solution, this application achieves the following: the conveying and positioning of the separator 20 can be completed by the unidirectional movement of the transverse mechanism 200, while the fixing mechanism 300 and the cutting mechanism 400 remain stationary, fundamentally eliminating mechanical interference and cumulative errors caused by the linkage of multiple mechanisms. The overall structure is simple, easy to assemble and maintain, and suitable for highly automated, high-cycle lithium battery production lines, especially suitable for power battery or energy storage battery manufacturing scenarios with stringent consistency requirements, thereby improving battery stacking efficiency.

[0088] Furthermore, the cutting mechanism 400 of this application is fixedly installed on the frame rather than integrated on the transverse mechanism 200, which significantly reduces the motion inertia and load of the transverse system and improves the stability and response speed of the equipment operation; the fixing mechanism 300 reliably positions and clamps the head and tail ends of the diaphragm 20, avoiding the problem of uneven tails on both sides caused by gravity deformation in traditional cantilever clamping, and fundamentally eliminating the tension imbalance and wrinkle defects of the diaphragm 20 caused by this.

[0089] By adopting a bottom-up cutting method, the cutting mechanism 400 is separated from the high-dynamic moving parts, reducing system load and failure rate; the fixed point position is constant, ensuring the repeatability accuracy of the cutting positions of the head 21 and tail 22 of the diaphragm 20, significantly improving the consistency of the tail length of the diaphragm 20 and the stability of product quality.

[0090] By performing a cut at the beginning and end of each electrode core, the 20mm tail length of the separator at both ends of each electrode core is ensured to be consistent, and the tail length deviation between different electrode cores is minimal, greatly improving the consistency and yield of battery module assembly. This technical solution is applicable to the stacking manufacturing process of various high-precision power batteries and energy storage batteries, and is especially suitable for high-speed, continuous production line applications.

[0091] refer to Figure 1 , Figure 2 and Figure 3 In some embodiments, the fixing mechanism 300 may include an adsorption component 310 and a clamping component 320.

[0092] The adsorption component 310 has an adsorption surface 311, which is used to adsorb the head 21 or the tail 22.

[0093] The adsorption component 310 is the main component for achieving large-area stable fixation of the diaphragm 20. Its core is a structure with an adsorption surface 311, which is oriented towards the moving path of the diaphragm 20 and can form a close contact with the surface of the head 21 or tail 22 of the diaphragm 20. The adsorption surface 311 can be made of a rigid plate structure, such as a plate made of metal or engineering plastic, with multiple through holes 313 on its surface. These adsorption holes 313 are connected to an external vacuum source (such as a first vacuum pump) through internal channels. When the negative pressure is activated, air is drawn away from the adsorption holes 313, forming a negative pressure zone between the adsorption surface 311 and the diaphragm 20, thereby generating an adsorption force to firmly adsorb the diaphragm 20 onto the adsorption surface 311.

[0094] Because the adsorption force is distributed throughout the adsorption area rather than concentrated on a certain point or line segment, the surface of the separator 20 can be subjected to more uniform force, avoiding local stretching or deformation, which is particularly suitable for lithium battery separator 20 materials that are sensitive to mechanical properties.

[0095] The overall shape of the adsorption assembly 310 can be designed as a rectangle, square, or other adaptable contour according to the actual installation space. Its size should be slightly larger than the width of the diaphragm 20 to ensure effective adsorption support throughout the entire width. Optionally, the adsorption surface 311 is arranged vertically or obliquely to facilitate receiving the end of the diaphragm 20 transferred from the clamping assembly 320 and to facilitate subsequent cutting operations.

[0096] Clamping component 320 is disposed on adsorption component 310 along a third direction (e.g. Figure 2 The clamping component 320 is used to clamp the two ends of the head 21 or tail 22 in the width direction, and to drive the head 21 or tail 22 to adhere to the adsorption surface 311.

[0097] The clamping components 320 are disposed at both ends of the adsorption component 310 along the third direction, that is, on the left and right sides of the adsorption component 310, respectively, corresponding to the two edge regions in the width direction of the diaphragm 20. The main function of the clamping components 320 is to initially clamp the head 21 or tail 22 of the diaphragm 20 at both ends in the width direction and guide it to the vicinity of the adsorption surface 311 to complete the attachment action.

[0098] The cooperation between the clamping component 320 and the adsorption component 310 is reflected in both the timing of actions and the spatial layout. Spatially, the clamping component 320 is located on both sides of the width of the adsorption component 310, so that its clamping points are distributed on the left and right edges of the diaphragm 20. This arrangement is beneficial for applying symmetrical clamping force to the diaphragm 20 during the clamping process, preventing twisting or displacement caused by unilateral force. In terms of the action flow, the clamping component 320 first responds to the control system command, moves to the position of the head 21 or tail 22 of the diaphragm 20 and completes the clamping; then, driven by the moving structure, the clamping component 320 pushes the entire end of the diaphragm 20 towards the adsorption surface 311, making it gradually close to the adsorption surface 311; when the diaphragm 20 completely covers the area of ​​the adsorption surface 311, the adsorption component 310 starts vacuum adsorption, so that the diaphragm 20 is fully attached to the adsorption surface 311; thereafter, the clamping component 320 can gradually release the clamping force and return to the initial position, completing one fixing cycle. This collaborative working mechanism not only achieves efficient transfer and precise positioning of the diaphragm 20 end, but also significantly enhances the fixation reliability through the "clamp-then-suction" composite fixation mode.

[0099] Through the above technical solution, since the adsorption component 310 acts on the surface of the diaphragm 20 by negative pressure adsorption, it avoids scratches, perforations, or local plastic deformation that may be caused by direct squeezing of traditional clamps, effectively protecting the integrity and functionality of the diaphragm 20. At the same time, the adsorption force is evenly distributed across the entire adsorption surface 311, significantly reducing wrinkles or warping caused by uneven force and improving the flatness of the diaphragm 20 adhesion. On the other hand, the clamping component 320 provides reliable initial gripping capability by simultaneously clamping both ends of the diaphragm 20 in the width direction, solving the problems of the diaphragm 20 drifting at the free end and inaccurate positioning, and accurately delivering the diaphragm 20 into the adsorption area through active transfer action, improving the system's automation level and response efficiency. More importantly, the clamping action is concentrated at both ends in the width direction, combined with subsequent full-width adsorption, realizing a transitional fixation from point to surface, ensuring that the tail length of the diaphragm 20 remains consistent on both sides, fundamentally improving the defects of inconsistent tail length and tension imbalance caused by the cantilever structure in the prior art. Therefore, this technical solution effectively solves the technical problems of high damage risk, uneven stress, difficult positioning, and poor consistency of tail in the process of fixing the end of the diaphragm 20, and achieves the technical effects of improving the stacking accuracy, enhancing process stability, and reducing maintenance costs.

[0100] refer to Figure 1 , Figure 2 and Figure 3 In some embodiments, the clamping assembly 320 may include a first clamping member 321, a second clamping member 322, and a first moving structure.

[0101] The first clamping member 321 and the second clamping member 322 are used to clamp the two ends of the head 21 or the tail 22 along the width direction;

[0102] The first clamping member 321 and the second clamping member 322 are the core components of the clamping assembly 320. They are respectively disposed at both ends of the adsorption assembly 310 along a third direction, and are used to clamp the two edge regions of the head 21 or tail 22 of the diaphragm 20 in the width direction. The "width direction" refers to the direction perpendicular to the conveying direction of the diaphragm 20 in its unfolded state, that is, the lateral extension direction of the electrode 10 stacking direction. The first clamping member 321 and the second clamping member 322 can be arranged symmetrically, for example, mirror-symmetrically installed on both sides of the adsorption plate 313, to ensure that their center line of force is consistent with the center line of the diaphragm 20. Each clamping member includes upper and lower clamping arms that can be opened and closed relative to each other. The inner side of the clamping arms is provided with an elastic buffer layer or anti-slip texture to enhance the clamping friction of the diaphragm 20 and prevent damage to the surface of the diaphragm 20. The clamping member body can be made of lightweight and high-strength materials, such as aluminum alloy or engineering plastics, which ensures structural rigidity and reduces moment of inertia, which is beneficial to improving response speed and positioning accuracy.

[0103] The first moving structure is used to move the first clamping member 321 and the second clamping member 322 away from or toward the adsorption surface 311 of the adsorption assembly 310.

[0104] The first moving structure is a power unit that drives the overall movement of the first clamping member 321 and the second clamping member 322. Its function is to drive the two clamping members to move synchronously toward or away from the adsorption surface 311 of the adsorption assembly 310. This moving structure can be a common linear drive device such as a linear motor, a servo electric cylinder, a pneumatic push rod, or a lead screw and nut mechanism.

[0105] Through the above technical solution, since the first clamping member 321 and the second clamping member 322 are symmetrically arranged in the width direction and driven synchronously by the same first moving structure, it can be ensured that the head 21 or tail 22 of the separator 20 is subjected to uniform force and no torsional stress accumulation during the clamping process. This overcomes the phenomenon of "one side clamping first and the other side lagging behind" in traditional asymmetrical or split-drive clamping mechanisms, and significantly reduces the deformation and displacement of the separator 20 caused by asynchronous clamping. Combined with the auxiliary fixation of the adsorption component 310, the overall constraint stiffness of the end of the separator 20 is further enhanced, providing a reliable precondition for the subsequent cutting mechanism 400 to accurately cut the separator 20. Finally, it effectively solves the technical problem of inconsistent tail length of the separator 20, and improves the consistency of stacking quality and product yield. This solution has a simple structure and clear control logic, and is suitable for the end processing of the separator 20 in various lithium-ion battery stacking equipment, and has good prospects for industrial application.

[0106] refer to Figure 2 and Figure 3 In some embodiments, the adsorption assembly 310 may include an adsorption plate 313 and a first vacuum pump.

[0107] Along the third direction, the adsorption plate 313 is disposed between the first clamping member 321 and the second clamping member 322, and the adsorption surface 311 has a plurality of adsorption holes 313 spaced apart along the third direction. A first vacuum pump is connected to the adsorption holes 313 and provides suction so that the adsorption holes 313 on the adsorption surface 311 are used to adsorb the head 21 or the tail 22 of the diaphragm 20.

[0108] The adsorption plate 313 can be a rectangular flat plate structure, made of aluminum alloy, stainless steel, or engineering plastic, with a precision-machined surface to ensure flatness. The side of the adsorption plate 313 facing the diaphragm 20 forms an adsorption surface 311, on which multiple through holes are formed as adsorption holes 313. These adsorption holes 313 are arranged linearly or in an array along a third direction (i.e., the width direction of the diaphragm 20), with the spacing optimized according to the width of the diaphragm 20 and the required adsorption density. The adsorption holes 313 are connected to a first vacuum pump via an internal flow channel or an external pipe. The first vacuum pump acts as a negative pressure source, continuously providing stable suction. When the vacuum is activated, air is drawn away through the adsorption holes 313, forming a localized negative pressure zone between the diaphragm 20 and the adsorption surface 311, thereby achieving non-contact adsorption and fixation.

[0109] The number of adsorption holes 313 is not limited to a single row or multiple rows; they can be arranged in a double-row staggered pattern according to actual needs to enhance the adsorption reliability of the edge areas. The adsorption plate 313 can also integrate a pressure sensor or flow detection unit for real-time monitoring of the adsorption status, determining whether there is leakage or blockage, and improving the system's intelligence level.

[0110] In the workflow, after the lateral movement mechanism 200 delivers the head 21 of the diaphragm 20 to the area where the fixing mechanism 300 is located, the clamping assembly 320 first activates. The first moving structure drives the first clamping member 321 and the second clamping member 322 to close, clamping both ends of the diaphragm 20 in the width direction. Then, it continues to push the end of the diaphragm 20 to adhere to the adsorption surface 311 of the adsorption plate 313. At this time, the first vacuum pump is activated, applying negative pressure through multiple spaced adsorption holes 313, so that the diaphragm 20 is firmly adsorbed onto the adsorption surface 311. Since the clamping only acts on the edge area, while the middle is supported by vacuum adsorption, it avoids local deformation or damage that may be caused by mechanical clamping, and at the same time achieves uniform force distribution across the entire width.

[0111] This application implements a compact, low-cost, and stable adsorption performance end-fixing mechanism for the separator 20. Because the adsorption assembly 310 uses an open-hole vacuum adsorption plate 313 in conjunction with an edge clamping structure, it ensures the clamping accuracy of the separator 20 end in the width direction and achieves overall flat fixation through multi-point distributed adsorption holes 313, effectively avoiding problems such as separator 20 skewing and wrinkling caused by single-point force or uneven clamping. The clamping assembly 320 only needs to perform simple opening, closing, and pushing actions, without complex posture adjustments, greatly simplifying the control system logic. The adsorption plate 313 remains fixed and does not rely on the lateral movement mechanism 200 or other motion units, fundamentally eliminating the interference risk caused by multi-mechanism linkage. The overall solution not only improves the reliability of fixing the head 21 and tail 22 of the separator 20 but also significantly reduces equipment complexity and manufacturing costs, making it suitable for high-consistency, high-cycle production scenarios in various lithium-ion battery stacking production lines.

[0112] refer to Figure 1 , Figure 4 , Figure 5 , Figure 6 and Figure 7 In some embodiments, the cutting mechanism 400 may include a cutting blade 410 and a second moving structure.

[0113] The cutting blade 410 is positioned between the fixing mechanism 300 and the stacking table 100 along the second direction, and is positioned below the transverse moving mechanism 200 along the first direction. The cutting blade 410 is used to cut the head 21 or tail 22 along the direction from the stacking table 100 to the transverse moving mechanism 200. The second moving structure is used to drive the cutting blade 410 to reciprocate along the first direction.

[0114] The cutting blade 410 is the core component for achieving the physical cutting function. Its blade edge faces upwards, allowing it to move upwards under drive and penetrate the diaphragm 20 material. This blade can be made of high-hardness alloy steel or ceramic material, possessing good wear resistance and blade edge retention. The cutting blade 410 is mounted on a liftable slider or push rod structure, which is driven by a second moving structure to perform reciprocating linear motion in the first direction. Optionally, the movement trajectory of the cutting blade 410 is perpendicular to the conveyor plane of the diaphragm 20, ensuring a smooth, burr-free cut surface.

[0115] The second moving structure is a power unit that drives the cutting blade 410, and its function is to provide stable and controllable reciprocating motion output. This structure can be one or a combination of cylinders, electric linear modules, servo motors with ball screws, cam linkage mechanisms, etc.

[0116] The cutting action can be a non-continuous, on-demand triggering operation. Under normal conditions, the cutting blade 410 is in a low position (retracted state), avoiding the path of the diaphragm 20. When the control system receives a cutting command (such as a start or end signal for the stacking cycle), the second moving structure is activated, pushing the cutting blade 410 rapidly up to a predetermined height along the first direction (i.e., vertically upward or tilted upward), passing through the plane of the diaphragm 20 to complete the cut. It then immediately returns to its initial position, ready for the next action. The entire process can be completed within milliseconds without affecting the overall cycle time.

[0117] In practice, the fixing mechanism 300 pre-attaches the end of the diaphragm 20 to be cut, keeping it taut and flat. Simultaneously, the pressing mechanism 500 on the stacking table 100 side applies pressure to the stacked electrode sheets 10 to prevent disturbance. Under this stable condition, the second moving structure drives the cutting blade 410 to move from bottom to top, passing through the diaphragm 20 segment located between the stacking table 100 and the fixing mechanism 300, completing a clean and crisp cut. Because the cutting position is fixed, the force is uniform, and there are constraints at both ends, the problem of uneven cut edges caused by blade wobbling or material springback, common in traditional top-cutting methods, is avoided.

[0118] Through the above technical solution, this application achieves the separation of the cutting function from the motion system, completely changing the conventional design logic of "cutting from top to bottom" and instead adopting a reverse cutting mechanism of "cutting from bottom to top". Since the cutting mechanism 400 is no longer integrated on the transverse mechanism 200, the load on the latter is significantly reduced, and the stability and response speed of the transverse motion are improved. At the same time, the fixed cutting module has a simple structure, containing only the cutting blade 410 and the drive structure, with fewer parts, lower manufacturing costs, and convenient maintenance. More importantly, the cutting position remains constant, and with the vacuum adsorption effect of the fixed mechanism 300, it can be ensured that each cutting is completed under the same benchmark, which greatly improves the consistency of the length of the head 21 and tail 22 of the separator 20, and is conducive to improving the assembly quality and consistency of the cell. This solution is not only applicable to lithium-ion battery stacking equipment, but can also be extended to the manufacturing fields of other energy devices that require precision separator 20 processing, such as supercapacitors and solid-state batteries.

[0119] refer to Figure 1 and Figure 2 In some embodiments, the stacking apparatus may further include a clamping mechanism 500 for clamping and fixing the stacked electrodes 10 on the stacking table 100 toward the stacking table 100.

[0120] The main function of the clamping mechanism 500 is to quickly apply appropriate downward pressure after each layer of electrode 10 is transported to the stacking table 100, pressing the uppermost electrode 10 firmly against the stacked structure below, preventing displacement due to gravity, transport impact, or airflow. This clamping action can be synchronized with the transport robot under the coordination of the PLC control system to achieve a closed-loop control process of "placement-clamping". The clamping force can be precisely set through a cylinder pressure regulating valve or servo motor torque control, ensuring sufficient constraint rigidity while avoiding damage to the surface active material of the electrode 10.

[0121] Through the above technical solution, this application achieves real-time clamping and fixing of the stacked electrode sheets 10 during the lamination process. Due to the presence of the clamping mechanism 500, the instantaneous disturbance after each electrode sheet 10 placement is effectively suppressed, greatly reducing the probability of interlayer misalignment; especially under high-speed lamination conditions, this measure significantly improves the stability of the process window. Simultaneously, the stable stacked substrate creates favorable conditions for the smooth coverage of the separator 20, reducing tension fluctuations and wrinkles caused by substrate undulations. Therefore, the overall lamination efficiency is improved, product yield is guaranteed, and rework and scrap rates are significantly reduced.

[0122] refer to Figure 1 and Figure 2 In some embodiments, the clamping mechanism 500 may include a first clamping claw 510 and a second clamping claw 520. The first clamping claw 510 and the second clamping claw 520 alternately apply pressure to the uppermost electrode 10 on the stacking stage 100.

[0123] The first pressure claw 510 and the second pressure claw 520 are respectively arranged on both sides of the stacking area along the stacking direction of the electrode 10. They can be symmetrically distributed on the left and right sides or the front and back sides above the stacking table 100. The specific layout can be adapted to the overall space configuration of the equipment and the conveying path of the electrode 10. Each pressure claw includes a pressure head 21 and a drive connection part. The pressure head 21 is used to contact the surface of the electrode 10 and transmit pressure. Its contact surface can be designed as a flat surface, a micro-arc surface, or a structure with an elastic buffer layer to avoid scratching the coating on the surface of the electrode 10. The drive connection part is connected to an external power source (such as a cylinder, a servo motor with a cam mechanism or a linkage mechanism) to realize lifting and lowering movement. The pressure claw material can be a lightweight and high-strength material such as aluminum alloy or engineering plastic, which reduces the inertia of the moving parts and reduces energy consumption.

[0124] The first pressing claw 510 and the second pressing claw 520 do not work simultaneously, but are controlled sequentially according to the stacking cycle: after one layer of electrode 10 is placed, the first pressing claw 510 first presses down to fix the current topmost electrode 10, and then lifts up just before the next layer of electrode 10 is placed; immediately afterward, the second pressing claw 520 presses down to continue the subsequent pressing task. This cyclical alternation forms a "relay" pressing mode. This control logic can be precisely controlled by a PLC controller combined with position sensors to ensure the synchronization and stability of the actions.

[0125] Through the above technical solution, this application achieves an organic unity between clamping function and structural simplification. Because the first clamping claw 510 and the second clamping claw 520 apply pressure alternately, the number of drive components is reduced and the control difficulty is lowered. Therefore, manufacturing and maintenance costs can be significantly reduced without sacrificing the clamping effect. Simultaneously, the alternating pressure distribution is more uniform, avoiding the localized deformation or coating peeling problems of the electrode 10 caused by long-term fixed-point pressure application by a traditional single clamping claw, thus improving the stability of the stacked electrode quality. This solution is particularly suitable for high-cycle automated stacking production lines, embodying the design concept of "minimal functionality and simplified structure," and has good industrial application prospects and promotional value.

[0126] refer to Figure 1 In some embodiments, the stacking apparatus may also include a recycling mechanism 600. The recycling mechanism 600 is used to recycle the head 21 cut by the cutting mechanism 400.

[0127] The recycling mechanism 600 is a functional module specifically designed to collect the heads 21 cut from the diaphragm 20. Its function is to respond quickly after the cutting action is completed, removing the free waste fragments from the cutting area to prevent them from shifting and entering unintended areas due to airflow disturbances, mechanical vibrations, or other external forces. This mechanism can use various methods such as physical clamping, negative pressure suction, or mechanical pushing to transfer waste. Pneumatic suction can be optionally used to ensure fast, contactless, clean, and efficient operation.

[0128] Through the above technical solution, this application achieves automated recycling of the head 21 of the cut separator 20. Because a dedicated recycling mechanism 600 is installed, waste material can be removed immediately after each cutting, avoiding the risks of mechanical obstruction, environmental pollution, and foreign matter contamination caused by waste accumulation inside the equipment. Simultaneously, it reduces the frequency of manual intervention, lowers downtime for maintenance, and improves the continuous operation capability and production efficiency of the equipment. The centrally collected waste material can also be uniformly classified and reused, helping to reduce material loss and operating costs. Therefore, this technical solution effectively solves the waste management problem, ensures the stability and safety of the stacking process, and provides strong support for high-precision, high-efficiency, and intelligent lithium battery manufacturing.

[0129] refer to Figure 1 In some embodiments, the recycling mechanism 600 may include a suction assembly 610 and a collection box 620.

[0130] The suction component 610 is disposed along the second direction on the side of the fixing mechanism 300 opposite to the cutting mechanism 400, and the suction component 610 is used to suction the head 21 cut by the cutting mechanism 400.

[0131] The collection box 620 is connected to the suction component 610 and is used to collect the back-cut head 21 obtained by the suction component 610.

[0132] Among them, the suction component 610 is the core execution unit for realizing the waste removal function. It is arranged on the side of the fixed mechanism 300 facing away from the cutting mechanism 400, that is, on the non-main operating surface of the equipment. This layout design effectively avoids the working paths of key moving parts such as the transverse mechanism 200, the cutting blade 410 and the stacking table 100, prevents mechanical interference, and ensures that each mechanism can operate synchronously and in coordination.

[0133] The collection bin 620, serving as the final container for waste, is connected to the communication structure 614 of the suction assembly 610. It is typically located externally for easy maintenance and can be detachably connected via flanges, quick-connect fittings, or clamps. The collection bin 620 is made of transparent or opaque materials, such as polycarbonate (PC) or ABS engineering plastic.

[0134] In a specific embodiment, after the cutting mechanism 400 completes the cutting action on the head 21 of the diaphragm 20, the fixing mechanism 300 releases its clamping state on the head 21, at which point the waste material is in a free-hanging state. The control system then triggers the second vacuum pump start command, and the suction assembly 610 begins to work. Since the suction port 613 is close to the waste material, the locally formed negative pressure airflow quickly draws it into the suction chamber 612 and sends it into the collection box 620 along the connecting structure 614. The entire process requires no mechanical gripping or pushing, the action is gentle, and it will not cause vibration or damage to surrounding precision components. At the same time, since the suction path is completely closed, the possibility of diaphragm 20 debris spreading in the air is eliminated, significantly improving the cleanliness level of the production workshop.

[0135] refer to Figure 1 In some embodiments, the suction assembly 610 may include a enclosure 611, a communication structure 614, and a second vacuum pump.

[0136] The enclosure 611 is disposed on the side of the fixing mechanism 300 facing away from the cutting mechanism 400. The enclosure 611 is used to form a suction cavity 612 and a suction port 613 with the fixing mechanism 300. The suction port 613 corresponds to the head 21 fixed by the fixing mechanism 300.

[0137] One end of the connecting structure 614 is connected to the suction chamber 612, and the second vacuum pump is connected to the other end of the connecting structure 614. The second vacuum pump is used to provide suction to the suction chamber 612 through the connecting structure 614 and to draw the head 21 at the suction port 613 into the collection box 620.

[0138] The enclosure 611 can be a plate-like structure with a certain height, usually made of metal materials (such as aluminum alloy or stainless steel), possessing good mechanical strength and corrosion resistance. It is installed on the side of the fixing mechanism 300 away from the cutting mechanism 400, i.e., located in the outer area of ​​the stacking equipment, facilitating maintenance and cleaning. An appropriate gap is maintained between the enclosure 611 and the fixing mechanism 300, forming a closed or semi-closed suction chamber 612. This chamber has an internal hollow structure to accommodate flowing air and carried waste particles. The suction port 613 is formed by the enclosure 611 and the fixing mechanism 300, directly facing the head 21 or tail 22 end of the diaphragm 20 held by the fixing mechanism 300. This ensures that once the waste loses its clamping force, it immediately enters the range of strong airflow, thus achieving instantaneous capture.

[0139] The connecting structure 614 is a gas transmission channel connecting the suction chamber 612 and the second vacuum pump. It is usually in the form of a pipe or duct and can be made of rigid plastic, metal pipe or flexible hose. The specific material selection depends on the site layout and vibration isolation requirements. One end of this structure is connected to the top or side outlet of the suction chamber 612, and the other end is connected to the air inlet of the second vacuum pump, forming a complete airflow loop.

[0140] The second vacuum pump can be a rotary vane, screw, or scroll vacuum pump, which has advantages such as low noise, long maintenance cycle, and controllable pumping speed.

[0141] In practical implementation, the enclosure 611 and the fixing mechanism 300 form a physical boundary, defining the effective volume of the suction chamber 612; the position of the suction port 613 directly determines the capture efficiency and must be precisely aligned with the waste release point; the connecting structure 614 acts as an intermediary bridge, guiding the mixed fluid in the suction chamber 612 to the second vacuum pump; the second vacuum pump is the power core of the entire system, determining the suction force and duration. The three work together to form a complete waste treatment chain of "positioning-capture-transportation-storage". For example, in a certain implementation scenario, after the lateral movement mechanism 200 completes the coverage of the last electrode 10 and returns to the initial position, the cutting mechanism 400 performs the tail 22 cutting action. At this time, the fixing mechanism 300 still maintains the clamping and adsorption of the front end of the tail 22; subsequently, the clamping component 320 releases, the rear end of the tail 22 loses its constraint, and under the negative pressure generated by the start of the second vacuum pump, it is quickly sucked into the suction chamber 612 from the suction port 613 and sent into the collection box 620 via the connecting structure 614. Because the suction chamber 612 is a relatively closed structure, the airflow is highly concentrated, so even if the waste is relatively light and thin, it will not shift or get stuck.

[0142] Through the above technical solution, this application achieves efficient and stable recycling of waste from the head 21 and tail 22 of the cut diaphragm 20. Because it employs a suction chamber 612 structure formed by the enclosure plate 611 and the fixing mechanism 300, the airflow path is more concentrated, reducing energy loss and increasing the probability of capturing waste per unit time. Furthermore, because the suction port 613 directly corresponds to the waste release position, precise spatial matching is achieved, ensuring waste retrieval is completed in the shortest possible time and reducing the risk of scattering.

[0143] The various embodiments or implementation methods described in this specification are presented in a progressive manner. Each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments can be referred to each other.

[0144] It should be noted that phrases such as "in specific implementations," "in some embodiments," "in this embodiment," and "exemplarily" in the specification indicate that the described embodiments may include specific features, structures, or characteristics, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, such phrases do not necessarily refer to the same embodiment. Moreover, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments, whether explicitly described or not, is within the knowledge scope of those skilled in the art.

[0145] Generally speaking, terms should be understood at least in part by their use in context. For example, at least in part by context, the term "one or more" as used in the text can be used to describe any feature, structure, or characteristic of the singular meaning, or a combination of features, structures, or characteristics of the plural meaning. Similarly, at least in part by context, terms such as "a" or "the" can also be understood to convey either singular or plural usage.

[0146] It should be readily understood that “on,” “above,” and “on top of” in this disclosure should be interpreted in the broadest manner, such that “on” means not only “directly on something” but also “on something” with an intermediate feature or layer therebetween, and that “above” or “on top of” means not only “on something” but also “on something” without an intermediate feature or layer therebetween (i.e., directly on something).

[0147] Furthermore, for ease of explanation, spatially relative terms such as "below," "below," "under," "above," and "above" may be used to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation other than those shown in the figures. The device may have other orientations (rotated 90 degrees or in other orientations), and the spatially relative descriptive terms used herein may be interpreted accordingly.

[0148] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A stacking device, characterized in that, include: A stacking stage (100) is used to support the electrode (10) and the diaphragm (20); A transverse movement mechanism (200) is located above the stacking table (100) along a first direction. The transverse movement mechanism (200) is used to move the membrane roll along a second direction to a designated position on the stacking table (100) and release the diaphragm (20) on the membrane roll. A fixing mechanism (300) is provided below the transverse moving mechanism (200) along the first direction, and the fixing mechanism (300) and the stacking table (100) are arranged at intervals along the second direction; The fixing mechanism (300) is used to fix the head (21) of the diaphragm (20) that is moved and released by the transverse mechanism (200) at the beginning of the stacking, and to fix the tail (22) of the diaphragm (20) that is released by the transverse mechanism (200) at the end of the stacking. A cutting mechanism (400) is disposed between the stacking table (100) and the fixing mechanism (300) along the second direction, and the cutting mechanism (400) is disposed opposite to the transverse moving mechanism (200) along the first direction; Along the direction from the stacking table (100) to the transverse mechanism (200), the cutting mechanism (400) is used to cut the head (21) and / or tail (22) of the diaphragm (20); The second direction is perpendicular to the first direction.

2. The stacking equipment according to claim 1, characterized in that, The fixing mechanism (300) includes an adsorption component (310) and a clamping component (320); The adsorption component (310) has an adsorption surface (311) for adsorbing the head (21) or the tail (22); A clamping assembly (320) is disposed at both ends of the adsorption assembly (310) along a third direction. The clamping assembly (320) is used to clamp the head (21) or the tail (22) at both ends in the width direction and drive the head (21) or the tail (22) to adhere to the adsorption surface (311). The third direction is perpendicular to both the first direction and the second direction.

3. The stacking equipment according to claim 2, characterized in that, The clamping assembly (320) includes: A first clamping member (321) and a second clamping member (322) are used to clamp the head (21) or the tail (22) at both ends along the width direction. The first moving structure is used to move the first clamping member (321) and the second clamping member (322) away from or toward the adsorption surface (311) of the adsorption assembly (310).

4. The stacking equipment according to claim 3, characterized in that, The adsorption component (310) includes: An adsorption plate (312) is disposed between the first clamping member (321) and the second clamping member (322) along the third direction, and the adsorption surface (311) has a plurality of adsorption holes (313) spaced apart along the third direction. A first vacuum pump is connected to the adsorption hole (313) and provides suction so that the adsorption hole (313) on the adsorption surface (311) can be used to adsorb the head (21) or tail (22) of the diaphragm (20).

5. The stacking equipment according to claim 1, characterized in that, The cutting mechanism (400) includes: A cutting blade (410) is disposed between the fixing mechanism (300) and the stacking table (100) along the second direction, and the cutting blade (410) is disposed opposite to the transverse mechanism (200) along the first direction. The cutting blade (410) is used to cut the head (21) or the tail (22) along the direction from the stacking table (100) to the transverse mechanism (200). The second moving structure is used to drive the cutting blade (410) to reciprocate along the first direction.

6. The stacking equipment according to claim 1, characterized in that, The stacking equipment also includes a pressing mechanism (500); The pressing mechanism (500) is used to press and fix the stacked electrodes (10) on the stacking table (100) toward the stacking table (100).

7. The stacking equipment according to claim 6, characterized in that, The clamping mechanism (500) includes a first clamping claw (510) and a second clamping claw (520); The first pressure claw (510) and the second pressure claw (520) alternately apply pressure to the uppermost electrode (10) on the stacking stage (100).

8. The stacking equipment according to claim 1, characterized in that, The stacking equipment also includes a recycling mechanism (600); The recycling mechanism (600) is used to recycle the head (21) that has been cut by the cutting mechanism (400).

9. The stacking equipment according to claim 8, characterized in that, The recycling mechanism (600) includes: A suction assembly (610) is disposed on the side of the fixing mechanism (300) facing away from the cutting mechanism (400) along the second direction. The suction assembly (610) is used to suction the head (21) cut by the cutting mechanism (400). A collection box (620) is connected to the suction assembly (610) and is used to collect the back-cut head (21) obtained by the suction assembly (610).

10. The stacking apparatus according to claim 9, characterized in that, The suction assembly (610) includes: A surrounding plate (611) is disposed on the side of the fixing mechanism (300) facing away from the cutting mechanism (400). The surrounding plate (611) is used to form a suction cavity (612) and a suction port (613) with the fixing mechanism (300). The suction port (613) corresponds to the head (21) fixed by the fixing mechanism (300). The connecting structure has one end connected to the suction chamber (612); A second vacuum pump is connected to the other end of the connecting structure. The second vacuum pump is used to provide suction to the suction chamber (612) through the connecting structure and to draw the head (21) at the suction port (613) into the collection box (620).

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