Stable battery cell diaphragm winding device

Abstract

The utility model discloses a stable battery cell diaphragm ending and rolling device which comprises a first ending and rolling module and a second ending and rolling module, and the first ending and rolling module and the second ending and rolling module can be arranged on the two sides of the running direction of a material roll correspondingly and are used for ending and rolling a circle of diaphragm wrapping the outer surface of a battery cell subjected to a lamination process. Powder scraps and oil stains generated during transmission of the first ending roll module and the second ending roll module can be retained in the modules and cannot interfere with normal production procedures of a streamline, in addition, the first ending roll module and the second ending roll module are stable during rotation of an ending roll, and can stably operate to perform ending roll on a diaphragm, so that the production efficiency is improved, and the production cost is reduced. And the stability of the material belt ending coil is improved, the ending coil efficiency is improved, and finally the production cost of the ending coil procedure is reduced.

Description

Technical Field

[0001] This application relates to the field of battery production and manufacturing, and particularly to a stable end-winding device for the cell separator. Background Art

[0002] After the cell lamination is completed, a coil of cell separator still wraps around the outer surface of the cell. Therefore, an end-winding device for the cell separator is required to wind the last one or several coils of the cell separator.

[0003] When the cell separator is end-wound, as the winding thickness increases, higher requirements are put forward for the stability and reliability of the device. An end-winding device with low strength or stability will, on the one hand, damage the cell, and on the other hand, reduce the winding efficiency, ultimately affecting the normal production process of the battery and ultimately increasing the production cost of the battery. Summary of the Invention

[0004] The purpose of this application is to propose a stable end-winding device for the cell separator to solve the above technical problems.

[0005] A stable end-winding device for the cell separator includes a first end-winding module and a second end-winding module. The first end-winding module and the second end-winding module can be respectively arranged on both sides of the running direction of the material roll, and are used for end-winding a coil of separator wrapped around the outer surface of the cell after the lamination process.

[0006] The first end-winding module includes a first base for fixation. A first mounting seat is fixedly connected to the first base. A first sliding driving device is fixedly connected to the mounting seat. A first end-winding component is slidably connected to the first sliding driving device. The first end-winding component includes a first fixing plate group slidably connected to the first sliding driving device. A first rotation driving device is arranged on the first fixing plate group. The driving end of the first rotation driving device is connected to a first transmission device. One end of the first transmission device is connected to a first driving device. A first air gripper is slidably connected to the first driving device.

[0007] The second end-winding module includes a second base for fixation. A second mounting seat is fixedly connected to the second base. A second sliding driving device is fixedly connected to the mounting seat. A second end-winding component is slidably connected to the second sliding driving device. The second end-winding component includes a second fixing plate group fixedly connected to the second sliding driving device. A second rotation driving device is arranged on the second fixing plate group. The driving end of the second rotation driving device is connected to a second transmission device. One end of the second transmission device is connected to a second driving device. A second air gripper is slidably connected to the second driving device.

[0008] The beneficial effects are as follows: After the lamination process of the battery cell is completed, a layer of separator is still wrapped around the outer surface of the battery cell. Along the streamline direction, the separator can be end-wound by the first end-winding module and the second end-winding module, the stability of the end-winding is improved, the end-winding efficiency is increased, and finally the production efficiency is increased, and the production cost of the end-winding process is reduced.

[0009] In some embodiments, the first fixing plate group includes

[0010] a bottom plate, which is slidably connected to the first sliding driving device;

[0011] a first machine base, which is fixedly connected to the bottom plate;

[0012] a fixing plate, which is fixedly connected to the bottom plate and is located on one side of the machine base.

[0013] The beneficial effects are as follows: The first fixing plate group is used for fixing.

[0014] In some embodiments, the first transmission device includes

[0015] a pneumatic slip ring, which is fixedly connected to one end of the first fixing plate group;

[0016] a support member, which is fixedly connected to one end of the pneumatic slip ring;

[0017] a first rotating shaft, which is connected to the support member and is located inside the first machine base;

[0018] a first transmission gear, which is rotatably connected to one end of the first rotating shaft.

[0019] In some embodiments, a first driving gear is arranged at the driving end of the first rotation driving device, and the first driving gear meshes with the first transmission gear.

[0020] The beneficial effects are as follows: The powder generated by the meshing friction between the first driving gear and the first transmission gear will remain inside the first machine base, and the first driving gear will drive the first driving device to rotate.

[0021] In some embodiments, the first driving device includes

[0022] a first air gripper driving device, which is rotatably connected to one end of the first transmission device;

[0023] a first air gripper, at least two first air grippers are respectively slidably connected to the upper end and the lower end on one side of the air gripper driving device;

[0024] The first air gripper includes

[0025] a first blanking fixing block, which is slidably connected to the first air gripper driving device;

[0026] The first blanking mounting plate is fixedly connected to the first blanking fixed block;

[0027] The first screw rod can penetrate through the first blanking fixed block and the first blanking mounting plate;

[0028] The first compression spring is sleeved on the first screw rod, and the first compression spring is located between the two first air grippers;

[0029] The first tail coil pressing plate, and at least two first tail coil pressing plates are respectively fixedly connected to both ends of the first blanking mounting plate.

[0030] The beneficial effect is that the two first air grippers can approach or move away from each other, and the first compression spring is used for the reset of the first air gripper.

[0031] In some embodiments, the second fixed plate group includes

[0032] The mounting plate is fixedly connected to the second mounting seat;

[0033] The backing plates, and at least two backing plates are respectively fixedly connected to both sides of the upper surface of the mounting plate;

[0034] The slide rail is fixedly connected to the backing plate;

[0035] The slider is slidably connected to the slide rail.

[0036] In some embodiments, the second fixed plate group further includes

[0037] The tail coil bottom plate is fixedly connected to the second sliding driving device;

[0038] The heightening plate is fixedly connected to the tail coil bottom plate;

[0039] The second machine base is fixedly connected to the heightening plate.

[0040] In some embodiments, the second transmission device includes

[0041] The second rotating shaft is located in the second machine base, and one end thereof is fixedly connected to the second machine base;

[0042] The second transmission gear is sleeved on the second rotating shaft;

[0043] The air slip ring is located on one side of the second transmission gear, and the air slip ring is sleeved on the second rotating shaft.

[0044] In some embodiments, a second driving gear is provided at the driving end of the second rotating driving device, and the second driving gear meshes with the second transmission gear.

[0045] Its beneficial effects are as follows: The powder debris generated when the second driving gear and the second transmission gear rotate will remain inside the second machine base, and the rotation of the second driving gear will drive the second driving to rotate.

[0046] In some embodiments, the second driving device includes

[0047] a second air gripper driving device, which is rotatably connected to one end of the second transmission device;

[0048] a second air gripper, at least two second air grippers are respectively slidably connected to the upper and lower ends on one side of the second air gripper driving device;

[0049] The second air gripper includes

[0050] a second blanking fixing block, which is slidably connected to the second air gripper driving device;

[0051] a second blanking mounting plate, which is fixedly connected to the second blanking fixing block;

[0052] a second screw rod, which can penetrate through the second blanking fixing block and the second blanking mounting plate;

[0053] a second compression spring, which is sleeved on the second screw rod, and the second compression spring is located between the two second air grippers;

[0054] second tail coil pressing plates, at least two second tail coil pressing plates are respectively fixedly connected to both ends of the second blanking mounting plate.

[0055] Its beneficial effects are as follows: The two second air grippers can approach or move away from each other, and the second compression spring is used for the reset of the second air gripper. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0057] Figure 1 It is a schematic diagram when the present application is running.

[0058] Figure 2 It is Figure 1 the structural schematic diagram of the first finishing coil module in

[0059] Figure 3 It is Figure 1 the structural schematic diagram of the first finishing coil module in

[0060] Figure 4 is Figure 3 another perspective of

[0061] Figure 5 is Figure 3 the front view after hiding the first base

[0062] Figure 6 is Figure 3 the front view after hiding the first base

[0063] Figure 7 is Figure 1 the structural schematic diagram of the second finishing coil module in

[0064] Figure 8 is Figure 7 the left view of

[0065] Figure 9 is Figure 1 the structural schematic diagram of the second finishing coil module in

[0066] Figure 10 is Figure 9 another perspective of

[0067] Figure 11 is Figure 9 the structural schematic diagram after hiding the second base

[0068] Figure 12 is Figure 9 another perspective of

[0069] Description of the reference numerals in the drawings

[0070] 1. First finishing roll module; 2. Second finishing roll module; 11. First base; 12. First mounting seat; 13. First sliding drive device; 14. First finishing roll assembly; 21. Second base; 22. Second mounting seat; 23. Second sliding drive device; 24. Second finishing roll assembly; 141. First fixed plate group; 142. First rotation drive device; 143. First transmission device; 144. First drive device; 145. First air gripper; 241. Second fixed plate group; 242. Second rotation drive device; 243. Second transmission device; 244. Second drive device; 245. Second air gripper; 1411. Bottom plate; 1412. First machine base; 1413. Fixed plate; 1421. First drive gear; 1431. Pneumatic slip ring; 1432. Support member; 1433. First rotating shaft; 1434. First transmission gear; 1441. First air gripper drive device; 2411. Mounting plate; 2412. Padding plate; 2413. Slide rail; 2414. Slide block; 2415. Tail roll bottom plate; 2416. Lifting plate; 2417. Second machine base; 2421. Second drive gear; 2431. Second rotating shaft; 2432. Second transmission gear; 2433. Air slip ring; 2441. Second air gripper drive device; 1451. First blanking fixed block; 1452. First blanking mounting plate; 1453. First screw; 1454. First compression spring; 1455. First tail roll pressing plate; 2451. Second blanking fixed block; 2452. Second blanking mounting plate; 2453. Second screw; 2454. Second compression spring; 2455. Second tail roll pressing plate. Detailed implementation manners

[0071] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only a part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the present invention, and are not used to limit the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0072] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "both ends", "both sides", "bottom", "top", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the element referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention. In addition, the terms "", "second", "superior", "inferior", "main", "secondary", etc. are only used for descriptive purposes and can simply be used to more clearly distinguish different components, rather than indicating or implying relative importance.

[0073] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "mounted", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0074] As Figures 1 to 3 , as shown in FIGS. 7 to 9:

[0075] A stable core diaphragm end winding device includes a first end winding module 1 and a second end winding module 2. The first end winding module 1 and the second end winding module 2 can be respectively arranged on both sides of the running direction of the material roll, and are used for end winding a circle of diaphragm wrapped on the outer surface of the core after the lamination process is completed.

[0076] The first end winding module 1 includes a first base 11 for fixing. A first mounting seat 12 is fixedly connected to the first base 11. A first sliding driving device 13 is fixedly connected to the mounting seat. A first end winding assembly 14 is slidably connected to the first sliding driving device 13. The first end winding assembly 14 includes a first fixing plate group 141 slidably connected to the first sliding driving device 13. A first rotation driving device 142 is arranged on the first fixing plate group 141. The driving end of the first rotation driving device 142 is connected to a first transmission device 143. One end of the first transmission device 143 is connected to a first driving device 144. A first air claw 145 is slidably connected to the first driving device 144. In this embodiment, the first rotation driving device 142 is preferably a servo motor.

[0077] The second end-winding roll module 2 includes a second base 21 for fixing. A second mounting seat 22 is fixedly connected to the second base 21. A second sliding driving device 23 is fixedly connected to the mounting seat. A second end-winding roll assembly 24 is slidably connected to the second sliding driving device 23. The second end-winding roll assembly 24 includes a second fixing plate group 241 fixedly connected to the second sliding driving device 23. A second rotation driving device 242 is arranged on the second fixing plate group 241. The driving end of the second rotation driving device 242 is connected to a second transmission device 243. One end of the second transmission device 243 is connected to a second driving device 244. A second air gripper 245 is slidably connected to the second driving device 244. In this embodiment, the second rotation driving device 242 is preferably a servo motor.

[0078] After the diaphragm is cut, the diaphragm can be end-wound by the first end-winding roll module 1 and the second end-winding roll module 2 along the streamline direction, the stability of the end-winding is improved, the end-winding efficiency is improved, and finally the production efficiency is improved, and the production cost of the battery is reduced.

[0079] As Figure 4 shown:

[0080] Preferably, the first fixing plate group 141 includes

[0081] a bottom plate 1411, the bottom plate 1411 is slidably connected to the first sliding driving device 13, and is preferably a fully enclosed lead screw module in this embodiment;

[0082] a first machine base 1412, the first machine base 1412 is fixedly connected to the bottom plate 1411;

[0083] a fixing plate 1413, the fixing plate 1413 is fixedly connected to the bottom plate 1411, and the fixing plate 1413 is located on one side of the machine base.

[0084] The first fixing plate group 141 is used for fixing.

[0085] As Figures 3 to 6 shown:

[0086] Preferably, the first transmission device 143 includes

[0087] a pneumatic slip ring 1431, the pneumatic slip ring 1431 is fixedly connected to one end of the first fixing plate group 141;

[0088] a support member 1432, the support member 1432 is fixedly connected to one end of the pneumatic slip ring 1431;

[0089] a first rotating shaft 1433, the first rotating shaft 1433 is connected to the support member 1432, and the first rotating shaft 1433 is located inside the first machine base 1412;

[0090] The first transmission gear 1434 is rotatably connected to one end of the first rotating shaft 1433.

[0091] As Figures 3 to 6 shown:

[0092] Preferably, a first driving gear 1421 is provided at the driving end of the first rotation driving device 142, and the first driving gear 1421 meshes with the first transmission gear 1434.

[0093] The powder debris generated by the meshing friction between the first driving gear 1421 and the first transmission gear 1434 will remain in the first machine base 1412, and the first driving gear 1421 will drive the first driving device 144 to rotate.

[0094] As Figures 3 to 6 shown:

[0095] Preferably, the first driving device 144 includes

[0096] a first air gripper driving device 1441, the first air gripper driving device 1441 is rotatably connected to one end of the first transmission device 143, and the first air gripper driving device 1441 is preferably a thin air gripper in this embodiment;

[0097] a first air gripper 145, at least two first air grippers are respectively slidably connected to the upper and lower ends on one side of the air gripper driving device;

[0098] The first air gripper 145 includes

[0099] a first blanking fixing block 1451, the first blanking fixing block 1451 is slidably connected to the first air gripper driving device 1441;

[0100] a first blanking mounting plate 1452, the first blanking mounting plate 1452 is fixedly connected to the first blanking fixing block 1451;

[0101] a first screw 1453, the first screw 1453 can penetrate through the first blanking fixing block 1451 and the first blanking mounting plate 1452;

[0102] a first compression spring 1454, the first compression spring 1454 is sleeved on the first screw 1453, and the first compression spring 1454 is located between the two first air grippers 145;

[0103] a first tail coil pressing plate 1455, at least two first tail coil pressing plates 1455 are respectively fixedly connected to both ends of the first blanking mounting plate 1452.

[0104] The two first air grippers 145 can approach or move away from each other, and the first compression spring 1454 is used for the reset of the first air gripper 145.

[0105] As Figures 9 to 10 shown:

[0106] Preferably, the second fixed plate group 241 includes

[0107] a mounting plate 2411, which is fixedly connected to the second mounting seat 22;

[0108] a backing plate 2412, and at least two backing plates 2412 are respectively fixedly connected to both sides of the upper surface of the mounting plate 2411;

[0109] a slide rail 2413, which is fixedly connected to the backing plate 2412;

[0110] a slider 2414, which is slidably connected to the slide rail 2413.

[0111] Preferably, the second fixed plate group 241 further includes

[0112] a tail coil bottom plate 2415, which is fixedly connected to the second sliding drive device 23;

[0113] a heightening plate 2416, which is fixedly connected to the tail coil bottom plate 2415;

[0114] a second machine base 2417, which is fixedly connected to the heightening plate 2416.

[0115] As Figure 11 shown:

[0116] Preferably, the second transmission device 243 includes

[0117] a second rotating shaft 2431, which is located inside the second machine base 2417, and one end of which is fixedly connected to the second machine base 2417;

[0118] a second transmission gear 2432, which is sleeved on the second rotating shaft 2431;

[0119] an air slip ring 2433, which is located on one side of the second transmission gear 2432 and is sleeved on the second rotating shaft 2431.

[0120] As Figure 11 shown:

[0121] Preferably, a second drive gear 2421 is provided at the drive end of the second rotation drive device 242, and the second drive gear 2421 meshes with the second transmission gear 2432.

[0122] The powder debris generated when the second driving gear 2421 and the second transmission gear 2432 rotate will remain in the second machine base 2417, and the rotation of the second driving gear 2421 will drive the second driving to rotate.

[0123] As Figure 11 , 12 shown:

[0124] Preferably, the second driving device 244 includes

[0125] a second air claw driving device 2441, the second air claw driving device 2441 is rotatably connected to one end of the second transmission device 243, and the second air claw driving device 2441 is preferably a thin air claw in this embodiment;

[0126] second air claws 245, at least two second air claws 245 are respectively slidably connected to the upper and lower ends on one side of the second air claw driving device 2441;

[0127] The second air claw 245 includes

[0128] a second blanking fixing block 2451, the second blanking fixing block 2451 is slidably connected to the second air claw driving device 2441;

[0129] a second blanking mounting plate 2452, the second blanking mounting plate 2452 is fixedly connected to the second blanking fixing block 2451;

[0130] a second screw rod 2453, the second screw rod 2453 can penetrate through the second blanking fixing block 2451 and the second blanking mounting plate 2452;

[0131] a second compression spring 2454, the second compression spring 2454 is sleeved on the second screw rod 2453, and the second compression spring 2454 is located between the two second air claws 245;

[0132] second tail coil pressing plates 2455, at least two second tail coil pressing plates 2455 are respectively fixedly connected to both ends of the second blanking mounting plate 2452.

[0133] The two second air claws 245 can approach or move away from each other, and the second compression spring 2454 is used for the reset of the second air claws 245.

[0134] It should be noted that when the end winding device is in operation, the first sliding drive device drives the first end winding assembly to move towards the tape, and the first rotating drive device drives the first air gripper to rotate to wind the end of the tape. Moreover, the two first air grippers can approach or move away from each other under the drive of the first air gripper drive device to wind the end of the tape at an appropriate position. The second sliding drive device located on the other side of the tape drives the second end winding assembly to move towards the tape, and the second rotating drive device drives the second air gripper to rotate to wind the end of the tape. The two second air grippers can approach or move away from each other under the drive of the second air gripper drive device to wind the end of the tape at an appropriate position.

[0135] The above are only some embodiments of the present invention, which are only used to illustrate the technical solutions of the present invention and are not intended to limit it. It should be understood that for those of ordinary skill in the art, without departing from the inventive concept of the present invention, improvements or replacements can be made according to the above description, and all such improvements and replacements should fall within the protection scope of the appended claims of the present invention. In this case, all details can be replaced with equivalent elements, and the materials, shapes, and dimensions can also be arbitrary.

Claims

1. A stable battery cell diaphragm winding device, characterized in that: It comprises a first closing roll module (1) and a second closing roll module (2), wherein the first closing roll module (1) and the second closing roll module (2) can be respectively arranged on both sides of the material roll running direction, and are used for closing a circle of diaphragm wrapped around the outer surface of the battery cell after the lamination process is completed; The first winding roll module (1) comprises a first base (11) for fixing, a first mounting seat (12) is fixedly connected to the first base (11), a first sliding drive device (13) is fixedly connected to the mounting seat, a first winding roll assembly (14) is slidably connected to the first sliding drive device (13), the first winding roll assembly (14) comprises a first fixed plate group (141) slidably connected to the first sliding drive device (13), a first rotating drive device (142) is arranged on the first fixed plate group (141), a driving end of the first rotating drive device (142) is connected to a first transmission device (143), one end of the first transmission device (143) is connected to a first driving device (144), and a first air claw (145) is slidably connected to the first driving device (144); The second closing roll module (2) comprises a second base (21) for fixing, a second mounting seat (22) is fixedly connected to the second base (21), a second sliding drive device (23) is fixedly connected to the mounting seat, a second closing roll assembly (24) is slidably connected to the second sliding drive device (23), the second closing roll assembly (24) comprises a second fixed plate group (241) fixedly connected to the second sliding drive device (23), a second rotating drive device (242) is arranged on the second fixed plate group (241), a driving end of the second rotating drive device (242) is connected to a second transmission device (243), one end of the second transmission device (243) is connected to a second drive device (244), and a second air claw (245) is slidably connected to the second drive device (244).

2. A stable battery cell diaphragm winding device according to claim 1, characterized in that: The first fixing plate group (141) includes A bottom plate (1411), wherein the bottom plate (1411) is slidably connected to the first sliding drive device (13); A first machine base (1412), wherein the first machine base (1412) is fixedly connected to the bottom plate (1411); A fixing plate (1413), wherein the fixing plate (1413) is fixedly connected to the bottom plate (1411), and the fixing plate (1413) is located on one side of the machine base.

3. A stable battery cell diaphragm winding device according to claim 1, characterized in that: The first transmission device (143) comprises A pneumatic slip ring (1431), wherein the pneumatic slip ring (1431) is fixedly connected to one end of the first fixed plate assembly (141); A support member (1432), wherein the support member (1432) is fixedly connected to one end of the pneumatic slip ring (1431); A first rotating shaft (1433), the first rotating shaft (1433) is connected to the support member (1432), and the first rotating shaft (1433) is located in the first machine base (1412); A first transmission gear (1434), wherein the first transmission gear (1434) is rotatably connected to one end of the first rotating shaft (1433).

4. A stable battery cell diaphragm winding device according to claim 3, characterized in that: The driving end of the first rotation driving device (142) is provided with a first driving gear (1421), and the first driving gear (1421) is meshed with the first transmission gear (1434).

5. A stable battery cell diaphragm winding device according to claim 1, characterized in that: The first driving device (144) comprises A first air gripper driving device (1441), wherein the first air gripper driving device (1441) is rotatably connected to one end of the first transmission device (143); A first air gripper (145), at least the first two air grippers are slidably connected to the upper end and the lower end of one side of the air gripper driving device; The first air gripper (145) includes A first material removal fixing block (1451), wherein the first material removal fixing block (1451) is slidably connected to the first air claw driving device (1441); A first blanking installation plate (1452), wherein the first blanking installation plate (1452) is fixedly connected to the first blanking fixing block (1451); A first screw rod (1453), wherein the first screw rod (1453) is capable of penetrating the first blanking fixing block (1451) and the first blanking mounting plate (1452); A first compression spring (1454), wherein the first compression spring (1454) is sleeved on the first screw rod (1453), and the first compression spring (1454) is located between the two first air claws (145); A first tail roll pressure plate (1455), at least two of the first tail roll pressure plates (1455) are respectively fixedly connected to two ends of the first blanking installation plate (1452).

6. A stable battery cell diaphragm winding device according to claim 1, characterized in that: The second fixing plate group (241) includes A mounting plate (2411), wherein the mounting plate (2411) is fixedly connected to the second mounting seat (22); Pads (2412), at least two of the pads (2412) are respectively fixedly connected to two sides of the upper surface of the mounting plate (2411); A slide rail (2413), wherein the slide rail (2413) is fixedly connected to the backing plate (2412); A slider (2414), wherein the slider (2414) is slidably connected to the slide rail (2413).

7. A stable battery cell diaphragm winding device according to claim 6, characterized in that: The second fixing plate group (241) also includes A tail roll bottom plate (2415), wherein the tail roll bottom plate (2415) is fixedly connected to the second sliding drive device (23); A raising plate (2416), wherein the raising plate (2416) is fixedly connected to the tail roll bottom plate (2415); A second machine base (2417), wherein the second machine base (2417) is fixedly connected to the raising plate (2416).

8. A stable battery cell diaphragm winding device according to claim 1, characterized in that: The second transmission device (243) comprises A second rotating shaft (2431), wherein the second rotating shaft (2431) is located in the second machine base (2417), and one end of the second rotating shaft (2431) is fixedly connected to the second machine base (2417); A second transmission gear (2432), wherein the second transmission gear (2432) is sleeved on the second rotating shaft (2431); An air slip ring (2433), the air slip ring (2433) is located on one side of the second transmission gear (2432), and the air slip ring (2433) is sleeved on the second rotating shaft (2431).

9. A stable battery cell diaphragm winding device according to claim 8, characterized in that: The driving end of the second rotation driving device (242) is provided with a second driving gear (2421), and the second driving gear (2421) is meshed with the second transmission gear (2432).

10. A stable battery cell diaphragm winding device according to claim 1, characterized in that: The second driving device (244) comprises A second air gripper driving device (2441), wherein the second air gripper driving device (2441) is rotatably connected to one end of the second transmission device (243); A second air gripper (245), at least two of the second air grippers (245) being slidably connected to the upper end and the lower end of one side of the second air gripper driving device (2441); The second air gripper (245) includes A second material removal fixing block (2451), wherein the second material removal fixing block (2451) is slidably connected to the second air claw driving device (2441); A second blanking installation plate (2452), wherein the second blanking installation plate (2452) is fixedly connected to the second blanking fixing block (2451); A second screw rod (2453), wherein the second screw rod (2453) is capable of penetrating the second blanking fixing block (2451) and the second blanking mounting plate (2452); A second compression spring (2454), wherein the second compression spring (2454) is sleeved on the second screw rod (2453), and the second compression spring (2454) is located between the two second air claws (245); A second tail roll pressure plate (2455), at least two of the second tail roll pressure plates (2455) are respectively fixedly connected to two ends of the second blanking installation plate (2452).

Images