Battery lamination equipment

Abstract

The utility model provides a battery lamination equipment, including lamination mechanism and conveyer belt, said conveyer belt extends along the first direction, the lamination mechanism is provided with the positioning correction mechanism at the both sides of second direction, said conveyer belt is two, lamination mechanism and the positioning correction mechanism are located between the two conveyer belt, said conveyer belt extends along the second direction. The second direction is perpendicular to the first direction, and the first direction and the second direction are both parallel to the horizontal plane; the battery lamination equipment further comprises a first bearing beam extending in the second direction, and the first bearing beam is movably provided with a first transferring mechanism used for transferring the pole pieces from the conveying belt to the positioning and deviation rectifying mechanism and a second transferring mechanism used for transferring the pole pieces from the positioning and deviation rectifying mechanism to the lamination mechanism. And a diaphragm unwinding mechanism is arranged on the first bearing beam. The device is reasonable in layout, compact in structure and favorable for improving the production efficiency.

Description

Technical Field

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

[0002] Battery electrodes include positive and negative electrodes. These electrodes, along with a separator, are stacked to form a battery cell. Before stacking the battery electrodes, the positive and negative electrodes need to be positioned and corrected separately. In conventional processes, the pre-processing stations for these electrode corrections are scattered, occupying a large space and hindering production line layout. Furthermore, the long transfer distance of the battery electrodes negatively impacts production efficiency. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a battery stacking equipment with a reasonable layout and compact structure, which is conducive to improving production efficiency.

[0004] The embodiments of this utility model are achieved through the following technical solutions:

[0005] A battery stacking device includes a stacking mechanism and a conveyor belt. The conveyor belt extends along a first direction. The stacking mechanism has positioning and correction mechanisms on both sides in a second direction. There are two conveyor belts, and the stacking mechanism and the positioning and correction mechanisms are located between the two conveyor belts. The second direction is perpendicular to the first direction, and both the first direction and the second direction are parallel to a horizontal plane. The battery stacking device also includes a first support beam extending along the second direction. The first support beam is movably equipped with a first transfer mechanism for transferring electrode sheets from the conveyor belt to the positioning and correction mechanisms, and a second transfer mechanism for transferring electrode sheets from the positioning and correction mechanisms to the stacking mechanism and a second transfer mechanism. A diaphragm unwinding mechanism is provided on the first support beam.

[0006] According to a preferred embodiment, the battery stacking equipment further includes a first NG mechanism disposed near the positioning and correction mechanism. The first NG mechanism includes a first NG box disposed on one side of the positioning and correction mechanism along the first direction, and a mounting base disposed on one side of the positioning and correction mechanism along the second direction. An NG gripper is movably mounted on the mounting base, and the NG gripper is used to transfer the NG electrode at the positioning and correction mechanism to the first NG box.

[0007] According to a preferred embodiment, the NG gripper includes a base plate, a mounting plate, and an adjustment plate, wherein the base plate is movably disposed on the mounting base along the first direction and its opposite direction, the mounting plate is movably disposed on the base plate along the longitudinal direction, the adjustment plate is disposed on the mounting plate, and a plurality of negative pressure suction heads are adjustablely mounted on the mounting plate.

[0008] According to a preferred embodiment, the stacking mechanism includes a stacking platform, a stacking support base, and a pressure knife support plate. The stacking platform and the pressure knife support plate are both longitudinally adjustable and mounted on the stacking support base. There are two pressure knife support plates, and the stacking platform and the stacking support base are located between the two pressure knife support plates. Two pressure knife seats are movably mounted on the pressure knife support plate. The two pressure knife seats can move closer to or further away from each other, and a pressure knife plate is longitudinally adjustable and mounted on the pressure knife seat.

[0009] According to a preferred embodiment, the stacking support includes a base plate, a long longitudinal plate, and a short longitudinal plate, wherein the long longitudinal plate and the short longitudinal plate are both fixedly installed on the base plate, the two short longitudinal plates are respectively disposed at the two ends of the long longitudinal plate along its length, the stacking platform is assembled on the long longitudinal plate, and the pressure knife support plate is assembled on the short longitudinal plate.

[0010] According to a preferred embodiment, the battery stacking equipment further includes a tail winding mechanism, which includes a tail winding assembly, a film cutting assembly, and a first transfer assembly. The film cutting assembly and the first transfer assembly can be close to or away from the stacking mechanism, and the tail winding assembly is located on the movement path of the film cutting assembly and the first transfer assembly close to or away from the stacking mechanism.

[0011] According to a preferred embodiment, the film cutting assembly includes a first fixing plate, on which a first fixing seat is adjustablely mounted longitudinally. A cutting element is adjustablely mounted longitudinally on one side of the first fixing seat facing the diaphragm unwinding mechanism. An upper pressure plate and a lower pressure plate are adjustablely mounted longitudinally on one side of the first fixing plate facing away from the diaphragm unwinding mechanism. The upper pressure plate and the lower pressure plate can move closer to each other or further away from each other, and the diaphragm passes through the gap between the upper pressure plate and the lower pressure plate.

[0012] According to a preferred embodiment, the film cutting assembly further includes a tensioning roller, the axial direction of which is parallel to the width direction of the diaphragm.

[0013] According to a preferred embodiment, the battery stacking equipment further includes an adhesive application mechanism, which includes two adhesive application components arranged in a mirror image, with an adhesive application table disposed between the two adhesive application components. The adhesive application table includes a base, on which a cell clamp is rotatably disposed in a horizontal plane, and the cell clamp has an avoidance notch. The adhesive application components have adhesive application heads, and the width of the avoidance notch is greater than the width of the adhesive application head.

[0014] According to a preferred embodiment, the cell clamp includes an upper reference plate and a lower reference plate spaced longitudinally from top to bottom, and an upper drive plate and a lower drive plate spaced longitudinally from top to bottom. The upper reference plate and the lower reference plate are fixedly connected by a first fixing post, and the upper drive plate and the lower drive plate are fixedly connected by a second fixing post. The upper drive plate is located between the upper reference plate and the lower reference plate, and the second fixing post passes through the lower reference plate and is slidably connected to it. A longitudinally extending transfer post is mounted on the lower reference plate, and a base is located below the lower drive plate. The two are rotatably connected by a rotating platform mounted on the base. A drive cylinder is mounted on the base, and the transfer post passes through the lower drive plate and is slidably connected to it. The transfer post passes through the rotating platform and is connected to the drive cylinder. A plurality of first clamping blocks are provided on the upper reference plate, and a plurality of second clamping blocks are provided on the upper drive plate. The first clamping blocks and the second clamping blocks are located between the upper drive plate and the upper reference plate, and the clearance notch is formed between two adjacent first clamping blocks and between two adjacent second clamping blocks.

[0015] The technical solution of this utility model embodiment has at least the following advantages and beneficial effects:

[0016] This utility model features two sets of transfer mechanisms and positioning and correction mechanisms working together in the second direction to achieve the transfer, positioning and correction, and stacking of battery electrodes, namely positive and negative electrodes. The structure is compact and the layout is reasonable, which effectively reduces the overall volume of the battery stacking equipment and is conducive to the layout of the battery production line. The transfer stroke between the battery electrode correction and the stacking is short, which helps to ensure production efficiency. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 A three-dimensional structural schematic diagram of the battery stacking device provided in this embodiment of the utility model;

[0019] Figure 2 This is a top view of the battery stacking equipment provided in an embodiment of the present utility model;

[0020] Figure 3 A schematic diagram of the assembly structure of the first transfer mechanism, the second transfer mechanism, the positioning and correction mechanism, and the stacking mechanism provided for embodiments of this utility model;

[0021] Figure 4A three-dimensional structural schematic diagram of the first transfer mechanism provided in an embodiment of this utility model;

[0022] Figure 5 A three-dimensional structural schematic diagram of the positioning and correction mechanism provided in an embodiment of this utility model;

[0023] Figure 6 Assembly structure diagram of the first NG mechanism and the positioning and correction mechanism provided for the implementation of this utility model;

[0024] Figure 7 A three-dimensional structural schematic diagram of the stacking mechanism provided in an embodiment of this utility model;

[0025] Figure 8 A schematic diagram of the assembly structure of the laminating platform and the pressure knife support plate provided in an embodiment of this utility model;

[0026] Figure 9 for Figure 8 The first exploded structural diagram of the structure shown;

[0027] Figure 10 for Figure 8 The second exploded structure diagram of the structure shown;

[0028] Figure 11 A three-dimensional structural diagram of the diaphragm moving frame assembling the diaphragm provided in an embodiment of this utility model;

[0029] Figure 12 A front view of the diaphragm moving frame assembling the diaphragm provided in an embodiment of this utility model;

[0030] Figure 13 A schematic diagram of the assembly structure of the tail winding mechanism and the adhesive application mechanism provided in this embodiment of the utility model;

[0031] Figure 14 A schematic diagram of the assembly structure of the second load-bearing beam, the film cutting assembly, and the first transfer assembly provided in an embodiment of this utility model;

[0032] Figure 15 This is a first three-dimensional structural schematic diagram of the film cutting assembly provided in an embodiment of the present utility model;

[0033] Figure 16 This is a second three-dimensional structural schematic diagram of the film cutting assembly provided in an embodiment of the present utility model;

[0034] Figure 17 for Figure 16 A schematic diagram of the three-dimensional structure of the film cutting assembly after the tensioning roller has been removed;

[0035] Figure 18 A three-dimensional structural schematic diagram of the first transfer component provided in an embodiment of this utility model;

[0036] Figure 19 A three-dimensional structural schematic diagram of the tail roll assembly provided in an embodiment of this utility model;

[0037] Figure 20 A three-dimensional structural diagram of the adhesive applicator provided in an embodiment of this utility model;

[0038] Figure 21 A three-dimensional structural diagram of the adhesive application table provided in an embodiment of this utility model;

[0039] Figure 22 A three-dimensional structural diagram of the second transfer component provided in an embodiment of this utility model.

[0040] Icons: 11. Positive electrode sheet; 12. Negative electrode sheet; 2a1. Conveyor belt; 20. Second transfer assembly; 201. Second gripper; 21. Stacking mechanism; 211. Stacking platform; 212. Stacking platform support; 2121. Second fixed base plate; 2122. Long longitudinal plate; 21221. First transmission screw; 2123. Short longitudinal plate; 213. Pressure knife support plate; 2131. Pressure knife plate; 2132. Synchronous belt; 2133. Knife holder; 214. Support box; 215. Side frame; 216. Second transmission screw; 22. Positioning and correction mechanism; 221. Second vision assembly; 222. Correction table; 223. Adjustment table; 2 3. Electrode buffer assembly; 24. First bearing beam; 241. Diaphragm unwinding mechanism; 242. Diaphragm moving frame; 2421. Third fixed base plate; 2422. Extension plate; 2423. First roller frame; 2424. Third transmission screw; 2425. Upper roller group; 2426. Lower roller group; 25. First transfer mechanism; 251. First fixed base plate; 252. Extension suspension; 253. DD motor; 254. First suction cup; 26. Second transfer mechanism; 27. First NG mechanism; 271. Mounting base; 272. First NG box; 273. Seat plate; 274. Mounting plate; 275. Adjustment plate; 2751. Main suspension 2752, First Auxiliary Suspension; 2753, Second Auxiliary Suspension; 276, Negative Pressure Suction Head; 28, Adhesive Applying Mechanism; 281, Adhesive Applying Assembly; 2811, Adhesive Applying Head; 282, Adhesive Applying Table; 2821, Cell Clamp; 28211, Upper Reference Plate; 28212, Lower Reference Plate; 28213, First Fixing Post; 28214, First Clamping Block; 28215, Second Clamping Block; 28216, Upper Drive Plate; 28217, Lower Drive Plate; 282171, Second Fixing Post; 28218, Transmission Post; 2822, Base; 2823, Rotating Platform; 2824, Drive Cylinder; 29, Tail Roll Mechanism; 291. Second load-bearing beam; 292. Tail winding assembly; 2921. Rolling knife; 293. Film cutting assembly; 2930. First transfer frame plate; 2931. First fixing plate; 2932. First fixing seat; 2933. Cutting component; 29331. Cutting blade plate; 29332. Resistance wire cutter; 2934. Upper pressure plate; 2935. Lower pressure plate; 2936. Second transfer frame plate; 2937. Second roller frame; 2938. Tensioning roller; 294. First transfer assembly; 2941. Third fixing plate; 2942. Second fixing seat; 2943. First gripper; 29431. Knife groove; X, first direction; Y, second direction. Detailed Implementation

[0041] To better understand and implement this invention, the technical solutions in the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings.

[0042] In the description of this utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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. Therefore, they should not be construed as limitations on this utility model.

[0043] Please refer to Figures 1 to 22 A battery stacking device includes a stacking mechanism 21 and a conveyor belt 2a1. The conveyor belt 2a1 extends along a first direction X. Positioning and correction mechanisms 22 are provided on both sides of the stacking mechanism 21 in a second direction Y. There are two conveyor belts 2a1, and the stacking mechanism 21 and the positioning and correction mechanisms 22 are located between the two conveyor belts 2a1. The second direction Y is perpendicular to the first direction X, and both the first direction X and the second direction Y are parallel to the horizontal plane. The battery stacking device also includes a first supporting beam 24 extending along the second direction Y. A first transfer mechanism 25 for transferring electrode sheets from the conveyor belt 2a1 to the positioning and correction mechanisms 22, and a second transfer mechanism 26 for transferring electrode sheets from the positioning and correction mechanisms 22 to the stacking mechanism 21 are movably provided on the first supporting beam 24. A diaphragm unwinding mechanism 241 is provided on the first supporting beam 24. Figures 1 to 3 As shown, the conveyor belt 2a1 on the right side of the second direction Y transports the positive electrode sheet 11, and the conveyor belt 2a1 on the left side of the second direction Y transports the negative electrode sheet 12. The first transfer mechanism 25 and the second transfer mechanism 26 on the right side of the second direction Y cooperate to transfer the positive electrode sheet 11 to the stacking mechanism 21 in a specific posture, and the first transfer mechanism 25 and the second transfer mechanism 26 on the left side of the second direction Y cooperate to transfer the negative electrode sheet 12 to the stacking mechanism 21 in a specific posture. In this embodiment, the two sets of transfer mechanisms and the positioning and correction mechanism 22 on the second direction Y work together to realize the transfer, positioning and correction, and stacking of the battery electrodes, i.e., the positive electrode sheet 11 and the negative electrode sheet 12. The structure is compact and the layout is reasonable, effectively reducing the overall volume of the battery stacking equipment, which is beneficial to the layout of the battery production line. The short transfer stroke between the battery electrode sheet correction and the stacking helps to ensure production efficiency.

[0044] In some embodiments, an electrode buffer assembly 23 is provided between the positioning and correction mechanism 22 and the conveyor belt 2a1 on the same side of the stacking mechanism 21. Specifically, the first transfer mechanism 25 transfers the electrodes to the electrode buffer assembly 23 for material preparation, so as to provide uninterrupted material supply for the second transfer mechanism 26, thereby improving production efficiency.

[0045] In this embodiment, the battery stacking equipment also includes a square tube frame, and the first supporting beam 24, the stacking mechanism 21, the positioning and correction mechanism 22, the electrode buffer mechanism and the conveyor belt 2a1 are all installed on the square tube frame.

[0046] like Figure 3 As shown, the first transfer mechanism 25 and the second transfer mechanism 26 are movably mounted on the first load-bearing beam 24 via a linear module.

[0047] Specifically, such as Figure 4 As shown, the first transfer mechanism 25 includes a first fixed base plate 251, an extension suspension 252, and a first suction cup 254. The first fixed base plate 251 is mounted on the linear module. The extension suspension 252 is movably mounted longitudinally on the first fixed base plate 251 via a slide rail slider assembly. The first suction cup 254 is rotatably connected to the extension suspension 252 via a DD motor 253. In use, the extension suspension 252 is driven longitudinally by a transmission screw or cylinder mounted on the first fixed base plate 251 to adjust the longitudinal position of the first suction cup 254. In this embodiment, when the positive electrode 11 and negative electrode 12 are on the conveyor belt 2a1, their length direction is parallel to the second direction Y, while when the positive electrode 11 and negative electrode 12 are on the stacking mechanism 21, their length direction is parallel to the first direction Y. Here, during the transfer of the corresponding positive electrode 11 and negative electrode 12 by the first transfer mechanism 25, they are rotated 90° in the horizontal plane. The first suction cup 254 is used to grab the positive electrode 11 and negative electrode 12 on the conveyor belt 2a1, and after adjusting the angle, transfer them to the corresponding positioning and correction mechanism 22 for spatial position adjustment before stacking.

[0048] In some embodiments, the second transfer mechanism 26 and the first transfer mechanism 25 have the same structure. In another embodiment, the second transfer mechanism 26 lacks the DD motor 253 compared to the first transfer mechanism 25; that is, the first suction cup 254 is fixedly mounted to the extension suspension 252.

[0049] like Figure 5 As shown, the positioning and correction mechanism 22 includes a correction platform 222 and a second vision component 221 disposed above the correction platform 222. The correction platform 222 is adjustablely mounted on the square tube frame via an adjustment platform 223. Optionally, the second vision component 221 is mounted on the first supporting beam 24. The adjustment platform 223 serves as a vision alignment platform. In use, the first transfer mechanism 25 transfers the positive electrode sheet 11 and the negative electrode sheet 12 to the corresponding correction platform 222, cooperating with the second vision component 221 and the adjustment platform 223 to adjust the spatial position of the positive electrode sheet 11 and the negative electrode sheet 12, thereby ensuring the positional accuracy during subsequent stacking.

[0050] like Figure 3 and Figure 6As shown, the battery stacking equipment also includes a first NG mechanism 27 located near the positioning and correction mechanism 22. The first NG mechanism 27 includes a first NG box 272 located on the side of the positioning and correction mechanism 22 along the first direction X, and a mounting base 271 located on the side of the positioning and correction mechanism 22 along the second direction Y. An NG gripper is movably mounted on the mounting base 271, which is used to transfer the NG electrode sheets located at the positioning and correction mechanism 22 to the first NG box 272. It should be noted that on the correction table 222, the second vision component 221 can also detect the electrode sheets, namely the positive electrode sheet 11 and the negative electrode sheet 12, while positioning and taking pictures. During this process, the NG electrode sheets are transferred to the first NG box 272 for recycling through the NG gripper to further ensure the quality of the produced batteries.

[0051] Furthermore, such as Figure 6 As shown, the NG gripper includes a base plate 273, a mounting plate 274, and an adjusting plate 275. The base plate 273 is movably mounted on the mounting base 271 along a first direction X and its opposite direction. The mounting plate 274 is movably mounted on the base plate 273 along a longitudinal direction. The adjusting plate 275 is mounted on the mounting plate 274. Multiple negative pressure suction heads 276 are adjustablely mounted on the mounting plate 274. Specifically, the mounting base 271 is mounted on a square tube frame. The base plate 273 is movably mounted on the mounting base 271 via a slide rail slider assembly and is driven by a transmission screw or cylinder mounted on the mounting base 271 to move closer to or further away from the alignment table 222. The mounting plate 274 is movably mounted on the base plate 273 along a longitudinal direction via a slide rail slider assembly and is driven by a transmission screw or cylinder mounted on the base plate 273. This configuration allows the negative pressure suction head 276 on the adjustment plate 275 to adjust its vertical height while simultaneously reciprocating between the correction table 222 and the first NG box 272, continuously transferring the NG electrode to the first NG box 272.

[0052] More specifically, the adjusting plate 275 includes a main suspension plate 2751, a first auxiliary suspension 2752, and a second auxiliary suspension 2753. The main suspension plate 2751 is fixedly mounted to the mounting plate 274, the first auxiliary suspension 2752 is fixedly mounted to the main suspension plate 2751, and the two second auxiliary suspensions 2753 are correspondingly mounted at the two ends of the first auxiliary suspension 2752 along its length. The first auxiliary suspension 2752 has a first adjusting groove and a second adjusting groove along its length, and the second auxiliary suspension 2753 has a third adjusting groove along its length. The length direction of the first auxiliary suspension 2752 is perpendicular to the length direction of the second auxiliary suspension 2753. The second auxiliary suspension 2753 is adjustablely mounted in the first adjusting groove, and both the second and third adjusting grooves can adjustably accommodate negative pressure suction heads 276. This arrangement allows for easy adjustment of the position of the negative pressure suction heads 276 according to the specifications of the electrode sheets, thus adapting to the needs of transferring electrode sheets of various specifications.

[0053] like Figures 7 to 10 As shown, the stacking mechanism 21 includes a stacking platform 211, a stacking support base 212, and a pressure knife support plate 213. The stacking platform 211 and the pressure knife support plate 213 are both longitudinally adjustablely mounted on the stacking support base 212. There are two pressure knife support plates 213, with the stacking platform 211 and the stacking support base 212 positioned between the two pressure knife support plates 213. Two pressure knife seats are movably mounted on the pressure knife support plate 213, and the two pressure knife seats can move closer or further apart from each other. A pressure knife plate 2131 is longitudinally adjustablely mounted on each pressure knife seat. In this embodiment, the stacking platform 211 has a negative pressure hole, which can adsorb the separator during the stacking process. The pressure knife plate 2131 is used to press the cell structure, i.e., the original cell, composed of the positive electrode 11, the negative electrode 12, and the separator during the stacking process.

[0054] Furthermore, such as Figure 9 and Figure 10 As shown, the stacking support base 212 includes a second fixed base plate 2121, a long longitudinal plate 2122, and a short longitudinal plate 2123. The long longitudinal plate 2122 and the short longitudinal plate 2123 are both fixedly installed on the second fixed base plate 2121. Two short longitudinal plates 2123 are correspondingly arranged at the two ends of the long longitudinal plate 2122 along its length. A stacking platform plate 211 is assembled onto the long longitudinal plate 2122, and a pressure knife support plate 213 is assembled onto the short longitudinal plate 2123. The long longitudinal plate 2122 and the short longitudinal plate 2123 installed on the second fixed base plate 2121 form an I-shaped structure. The pressure knife support plate 213 is slidably installed longitudinally onto the short longitudinal plate 2123 via a slide rail slider assembly, and the stacking platform plate 211 is slidably installed longitudinally onto the long longitudinal plate 2122 via the slide rail slider assembly. Specifically, a cylinder or transmission screw is mounted on the longitudinal plate 2122 to drive the pressure knife support plate 213 and the stacking table 211 to move longitudinally, so as to continuously adjust the height of the pressure knife plate 2131 and the stacking table 211 during the stacking process. In this embodiment, by means of... Figure 9 and Figure 10 The first transmission screw 21221 shown drives the pressure knife support plate 213 and the stacking platform 211 to move longitudinally. In this embodiment, the stacking platform 211 is L-shaped, as shown... Figure 10 As shown, one part is slidably connected to the longitudinal plate 2122, and the other part is located on top of the longitudinal plate 2122 to support the separator and battery electrodes (positive electrode 11 and negative electrode 12).

[0055] Furthermore, a tool holder 2133 is slidably mounted on the pressure plate 213 along its length via a slide rail slider assembly, and a pressure plate 2131 is adjustablely mounted on the tool holder 2133 via a cylinder. Optionally, in this embodiment, the tool holder 2133 is driven by a timing belt 2132 mounted on the pressure plate 213 or by a cylinder to adjust the position of the pressure plate 2131 along the length of the electrode sheet, thereby adapting to the processing of electrode sheets of different specifications. The timing belt 2132 driving the tool holder 2133 is a conventional technique and will not be described in detail here. It should be noted that, as... Figure 9 As shown, on the same pressure support plate 213, there are two tool holders 2133 along its length, one of which is engaged with the upper side of the timing belt 2132 and the other is engaged with the lower side of the timing belt 2132, so that the two tool holders 2133 can move closer or further away synchronously.

[0056] like Figure 7 As shown, in this embodiment, the stacking mechanism 21 further includes two side frames 215 disposed on the square tube frame. A support box 214 is disposed at the bottom of the stacking platform support 212. The support box 214 is located between the two side frames 215 and is slidably connected to the side frames 215 longitudinally via a slide rail slider assembly. Further, a second transmission screw 216 is disposed on one of the side frames 215. The support box 214 is threadedly connected to the second transmission screw 216 and is driven by the second transmission screw 216 to move longitudinally. This arrangement allows the overall height of the stacking mechanism 21 to be raised or lowered longitudinally.

[0057] In this embodiment, the stacking mechanism 21 further includes a diaphragm moving frame 242 disposed on the first supporting beam 24. The diaphragm moving frame 242 is located between the two second transfer mechanisms 26 and can reciprocate between the two second transfer mechanisms 26. The diaphragm extends from the diaphragm unwinding mechanism 241 to the diaphragm moving frame 242. The diaphragm moving frame 242 is driven to move by a linear module disposed on the first supporting beam 24.

[0058] like Figure 11 and Figure 12As shown, the diaphragm moving frame 242 includes a third fixed base plate 2421, an extension plate 2422, and a first roller frame 2423. Two extension plates 2422 are provided on the third fixed base plate 2421. The first roller frame 2423 is located between the two extension plates 2422 and is slidably connected to the extension plates 2422 through a slide rail slider assembly. The first roller frame 2423 can move along the width direction of the diaphragm. An upper roller group 2425 is provided above the first roller frame 2423, and a lower roller group 2426 is provided below the first roller frame 2423. A third transmission screw 2424 is provided on the third fixed base plate 2421. The first roller frame 2423 is threadedly connected to and driven by the third transmission screw 2424. In this embodiment, the upper roller group 2425 and the lower roller group 2426 are both two passing rollers. The passing rollers are rotatably mounted on the first roller frame 2423. The diaphragm extends from the upper roller group 2425 to the lower roller group 2426 to the stacking table 211 and is fixed by the pressure plate 2131 in conjunction with the stacking table 211.

[0059] In use, the third drive screw 2424 rotates to drive the first roller frame 2423 to reciprocate in the diaphragm width direction to correct the diaphragm deviation.

[0060] Specifically, during operation, after the free end of the separator is fixed to the stacking platform 211, two second transfer mechanisms 26 respectively transfer the positive electrode 11 and the negative electrode 12, and cooperate with the separator moving frame 242 to complete the battery electrode stacking process. The battery electrode stacking is an existing process and will not be described in detail here.

[0061] like Figure 1 , Figure 3 and Figure 13 As shown, the battery stacking equipment also includes a tail winding mechanism 29, which includes a tail winding assembly 292, a film cutting assembly 293, and a first transfer assembly 294. The film cutting assembly 293 and the first transfer assembly 294 can approach or move away from the stacking mechanism 21, and the tail winding assembly 292 is located on the movement path of the film cutting assembly 293 and the first transfer assembly 294 approaching or moving away from the stacking mechanism 21. In use, after the original battery cell is stacked at the stacking mechanism 21, both the film cutting assembly 293 and the first transfer assembly 294 move towards the stacking mechanism 21. The first transfer assembly 294 passes over the film cutting assembly 293, grabs the original battery cell, and moves it towards the tail winding assembly 292 to a tail winding separator of an appropriate length. At this time, the film cutting assembly 293 fixes the separator on the side of the original battery cell and cuts it. The separator on the side of the stacking mechanism 21 continues to the next round of stacking, and the separator on the side of the original battery cell participates in the tail winding of the original battery cell separator. Specifically, the first transfer component 294 transfers the original battery cell to the tail roll component 292, and the film cutting component 293 fixes the free end of the tail roll diaphragm and gradually approaches the tail roll component 292 as the tail roll action of the tail roll component 292 is performed to maintain a certain tension on the tail roll diaphragm.

[0062] Specifically, such as Figure 13 and Figure 14 As shown, the tail roll mechanism 29 also includes a second bearing beam 291, which extends along the second direction Y and is fixedly installed on the square tube frame. The first transfer assembly 294 and the film cutting assembly 293 are both assembled to the second bearing beam 291 through a linear module and driven by it to move along the second direction Y.

[0063] like Figures 15 to 17 As shown, the film cutting assembly 293 includes a first fixing plate 2931. A first fixing seat 2932 is adjustablely mounted on the first fixing plate 2931 along the longitudinal direction. A cutting element 2933 is adjustablely mounted on the side of the first fixing seat 2932 facing the diaphragm unwinding mechanism 241 along the longitudinal direction. An upper pressure plate 2934 and a lower pressure plate 2935 are adjustablely mounted on the side of the first fixing plate 2931 facing away from the diaphragm unwinding mechanism 241 along the longitudinal direction. The upper pressure plate 2934 and the lower pressure plate 2935 can move closer to or further away from each other, and the diaphragm passes through the gap between the upper pressure plate 2934 and the lower pressure plate 2935. In this embodiment, the cutting element 2933 includes a cutting blade 29331. The cutting blade 29331 is movably mounted on the first fixing seat 2932 along the longitudinal direction via a slide rail slider assembly and is driven to move along the longitudinal direction by a cylinder provided on the first fixing seat 2932. A resistance wire cutter 29332 is mounted on the cutting blade 29331. like Figure 17 As shown, both the upper pressure plate 2934 and the lower pressure plate 2935 are equipped with first adapter plates 2930. The first adapter plates 2930 are longitudinally movably assembled with the first fixed base 2932 via a slide rail slider assembly and are driven by cylinders mounted on the first fixed base 2932, allowing the upper pressure plate 2934 and the lower pressure plate 2935 to move closer or further apart. The lower pressure plate 2935 is equipped with negative pressure holes for adsorbing the diaphragm. The upper pressure plate 2934 cooperates with the lower pressure plate 2935 to fix the diaphragm, so as to cooperate with the resistance wire cutter 29332 to cut the diaphragm. It should be noted that the first transfer component 294 passes through the gap between the upper pressure plate 2934 and the lower pressure plate 2935, crosses the film cutting component 293, reaches the stacking mechanism 21 to pick up the original battery cell, and transfers the original battery cell from the side of the film cutting component 293 near the stacking mechanism 21 to the side of the film cutting component 293 away from the stacking mechanism 21 through the gap between the upper pressure plate 2934 and the lower pressure plate 2935.

[0064] In this embodiment, the first fixing base 2932 is movably mounted to the first fixing plate 2931 along the longitudinal direction via a linear module. Further, as... Figure 16As shown, the film cutting assembly also includes a tensioning roller 2938, the axial direction of which is parallel to the width direction of the diaphragm. The tensioning roller 2938 is used to adjust the tension of the diaphragm during the tail-winding process. Specifically, a second transition plate 2936 is fixedly mounted on the first transition plate 2930 of the upper pressure plate 2934. A second roller frame 2937 is adjustable along the longitudinal direction on the second transition plate 2936, and the tensioning roller 2938 is rotatably mounted on the second roller frame 2937. In this embodiment, a guide shaft is disposed on the second roller frame 2937, the guide shaft passing through and slidably connected to the second transition plate 2936. A cylinder for driving the second roller frame 2937 to move longitudinally is mounted on the second transition plate 2936.

[0065] like Figure 19 As shown, the tail winding assembly 292 is existing technology and will not be described in detail here. It should be noted that during the tail winding process of the original battery cell, the winding knife 2921 clamps the original battery cell and is wrapped by the tail winding diaphragm.

[0066] like Figure 18 As shown, the first transfer assembly 294 includes a third fixing plate 2941, a second fixing seat 2942, and two first grippers 2943. The third fixing plate 2941 is movably mounted to the second supporting beam 291 along the second direction Y via a linear module. The second fixing seat 2942 is movably mounted to the third fixing plate 2941 along the longitudinal direction via a linear module. The two first grippers 2943 are adjustablely mounted to the second fixing seat 2942 along the longitudinal direction via a slide rail slider assembly and are driven by a cylinder to allow them to move closer or further apart. It should be noted that the first grippers 2943 are equipped with a cutter groove 29431 to avoid the winding cutter 2921. The two first grippers 2943 are mirror-oriented for gripping the unwound raw battery cell. The winding cutter 2921 is positioned within the cutter groove 29431 so that it can be smoothly withdrawn from the raw battery cell when the first grippers 2943 grip it.

[0067] like Figure 2 , Figure 13 and Figure 20As shown, in this embodiment, the battery stacking equipment further includes an adhesive application mechanism 28. The adhesive application mechanism 28 includes two adhesive application components 281 arranged in a mirror image. An adhesive application table 282 is disposed between the two adhesive application components 281. The adhesive application table 282 includes a base 2822 movably disposed on the square tube frame via a slide rail slider assembly to adjust the spatial position between the adhesive application table 282 and the adhesive application components 281 to facilitate the subsequent unloading of the original battery cells. A battery cell clamp 2821 is rotatably disposed on the base 2822 in a horizontal plane for clamping the original battery cells. The battery cell clamp 2821 has a clearance notch for avoiding the first gripper 2943, so that the first transfer assembly 294 can transfer the original battery cells from the tail winding assembly 292 to the adhesive application table 282. In this embodiment, the two adhesive application components 281 can move closer to or further away from each other, thereby moving closer to or further away from the adhesive application table 282 to apply adhesive to the original battery cells to fix the separator. The adhesive application table 282 rotates to facilitate adhesive application to the original battery cell in both the length and width directions using the same adhesive application component 281, improving efficiency and reducing costs. In this embodiment, the adhesive application component 281 is prior art and will not be described in detail here. It should be noted that the adhesive application component 281 has an adhesive application head 2811, and the width of the clearance notch is greater than the width of the adhesive application head 2811. This allows the adhesive application head 2811 to extend into the clearance notch during the adhesive application process, giving the original battery cell a longer adhesive application length, ensuring the reliability of the adhesive application, while not affecting the clamping of the original battery cell by the battery cell holder 2821.

[0068] like Figure 21As shown, the cell clamp 2821 includes an upper reference plate 28211 and a lower reference plate 28212 spaced longitudinally from top to bottom, and an upper drive plate 28216 and a lower drive plate 28217 spaced longitudinally from top to bottom. The upper reference plate 28211 and the lower reference plate 28212 are fixedly connected by a first fixing post 28213, and the upper drive plate 28216 and the lower drive plate 28217 are fixedly connected by a second fixing post 282171. The upper drive plate 28216 is located between the upper reference plate 28211 and the lower reference plate 28212, and the second fixing post 282171 passes through it. A lower reference plate 28212 is slidably connected to it. A longitudinally extending transmission column 28218 is mounted on the lower reference plate 28212. The base 2822 is located below the lower drive plate 28217. The two are rotatably connected by a rotating platform 2823 mounted on the base 2822. A drive cylinder 2824 is mounted on the base 2822. The transmission column 28218 passes through the lower drive plate 28217 and is slidably connected to it. At the same time, the transmission column 28218 passes through the rotating platform 2823 and is connected to the drive cylinder 2824. It should be noted that the rotating platform 2823 is a hollow rotating platform 2823. The upper reference plate 28211 is provided with a plurality of first clamping blocks 28214, and the upper drive plate 28216 is provided with a plurality of second clamping blocks 28215. The first clamping blocks 28214 and the second clamping blocks 28215 are located between the upper drive plate 28216 and the upper reference plate 28211. The original battery cell is located between the first clamping blocks 28214 and the second clamping blocks 28215. The aforementioned clearance notches are formed between two adjacent first clamping blocks 28214 and between two adjacent second clamping blocks 28215. In use, the lower reference plate 28212, the upper reference plate 28211, and the first clamping blocks 28214 move synchronously. The drive cylinder 2824 drives the lower reference plate 28212, i.e., the first clamping block 28214, to move longitudinally closer to or away from the second clamping block 28215 through the transmission column 28218 to clamp or release the original battery cell.

[0069] like Figure 13 and Figure 22 As shown, the battery stacking equipment also includes a second transfer assembly 20, having a second gripper 201 movably disposed along the longitudinal direction for transferring the original battery cells after adhesive bonding. This is prior art and will not be described in detail here.

[0070] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A battery lamination apparatus, characterized by, It includes a stacking mechanism and a conveyor belt. The conveyor belt extends along a first direction. The stacking mechanism is provided with positioning and correction mechanisms on both sides of a second direction. There are two conveyor belts. The stacking mechanism and the positioning and correction mechanisms are located between the two conveyor belts. The second direction is perpendicular to the first direction. Both the first direction and the second direction are parallel to the horizontal plane. The battery stacking equipment further includes a first support beam extending along the second direction, on which a first transfer mechanism for transferring the electrode sheet from the conveyor belt to the positioning and correction mechanism, and a second transfer mechanism for transferring the electrode sheet from the positioning and correction mechanism to the stacking mechanism are movably provided. A diaphragm unwinding mechanism is provided on the first load-bearing beam.

2. The battery lamination apparatus of claim 1, wherein, The battery stacking equipment also includes a first NG mechanism located near the positioning and correction mechanism. The first NG mechanism includes a first NG box located on one side of the positioning and correction mechanism along the first direction, and a mounting base located on one side of the positioning and correction mechanism along the second direction. An NG gripper is movably mounted on the mounting base. The NG gripper is used to transfer the NG electrode at the positioning and correction mechanism to the first NG box.

3. The battery lamination apparatus of claim 2, wherein, The NG gripper includes a base plate, a mounting plate, and an adjustment plate. The base plate is movably disposed on the mounting base along the first direction and its opposite direction. The mounting plate is movably disposed on the base plate along the longitudinal direction. The adjustment plate is disposed on the mounting plate. Multiple negative pressure suction heads are adjustablely mounted on the mounting plate.

4. The battery lamination apparatus of claim 1, wherein, The stacking mechanism includes a stacking platform, a stacking support base, and a pressure knife support plate. The stacking platform and the pressure knife support plate are both longitudinally adjustable and mounted on the stacking support base. There are two pressure knife support plates, and the stacking platform and the stacking support base are located between the two pressure knife support plates. Two pressure knife seats are movably mounted on the pressure knife support plate. The two pressure knife seats can move closer to or further away from each other. A pressure knife plate is adjustablely mounted on the pressure knife seat along the longitudinal direction.

5. The battery lamination apparatus of claim 4, wherein, The stacking support includes a base plate, a long longitudinal plate, and a short longitudinal plate. The long longitudinal plate and the short longitudinal plate are both fixedly installed on the base plate. The two short longitudinal plates are respectively arranged at the two ends of the long longitudinal plate along its length. The stacking platform is assembled on the long longitudinal plate, and the pressure knife support plate is assembled on the short longitudinal plate.

6. The battery lamination apparatus of claim 1, wherein, The battery stacking equipment also includes a tail winding mechanism, which includes a tail winding assembly, a film cutting assembly, and a first transfer assembly. The film cutting assembly and the first transfer assembly can be close to or away from the stacking mechanism, and the tail winding assembly is located on the movement path of the film cutting assembly and the first transfer assembly as they approach or move away from the stacking mechanism.

7. The battery lamination apparatus of claim 6, wherein, The film cutting assembly includes a first fixing plate, on which a first fixing seat is adjustablely mounted longitudinally. A cutting element is adjustablely mounted longitudinally on the side of the first fixing seat facing the diaphragm unwinding mechanism. An upper pressure plate and a lower pressure plate are adjustablely mounted longitudinally on the side of the first fixing plate facing away from the diaphragm unwinding mechanism. The upper pressure plate and the lower pressure plate can move closer to each other or further away from each other, and the diaphragm passes through the gap between the upper pressure plate and the lower pressure plate.

8. The battery stacking equipment according to claim 7, characterized in that, The film cutting assembly also includes a tensioning roller, the axial direction of which is parallel to the width direction of the diaphragm.

9. The battery lamination apparatus of claim 1, wherein, The battery stacking equipment also includes an adhesive applicator, which includes two adhesive applicator components arranged in a mirror image and an adhesive applicator platform disposed between the two adhesive applicator components. The adhesive applicator platform includes a base, on which a cell clamp is rotatably disposed in a horizontal plane. The cell clamp has an avoidance notch. The adhesive applicator components have adhesive applicator heads, and the width of the avoidance notch is greater than the width of the adhesive applicator head.

10. The battery lamination apparatus of claim 9, wherein, The cell clamp includes an upper reference plate and a lower reference plate spaced vertically from top to bottom, and an upper drive plate and a lower drive plate spaced vertically from top to bottom. The upper reference plate and the lower reference plate are fixedly connected by a first fixing post, and the upper drive plate and the lower drive plate are fixedly connected by a second fixing post. The upper drive plate is located between the upper reference plate and the lower reference plate, and the second fixing post passes through the lower reference plate and is slidably connected to it. The lower reference plate is equipped with a longitudinally extending transmission column, the base is located below the lower drive plate, and the two are rotatably connected by a rotating platform mounted on the base. The base is equipped with a drive cylinder, the transmission column passes through the lower drive plate and is slidably connected to it, and the transmission column passes through the rotating platform and is connected to the drive cylinder. The upper reference plate is provided with a plurality of first clamping blocks, and the upper drive plate is provided with a plurality of second clamping blocks. The first clamping blocks and the second clamping blocks are located between the upper drive plate and the upper reference plate, and the clearance gap is formed between two adjacent first clamping blocks and between two adjacent second clamping blocks.

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