Lithium battery piece production device

By setting a symmetrical deviation correction wheel in the lithium battery production device, rotating the contact electrode sheet and cleaning the powder, the problem of powder caused by friction during the cutting process of the electrode sheet in the prior art is solved, and the quality and cutting accuracy of the electrode sheet are improved.

CN222770285UActive Publication Date: 2025-04-18武汉聚东芯电科技有限公司
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421474283.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-04-18
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

The existing lithium battery production device produces powder due to friction during the cutting process of the electrode sheet, which affects the quality of the electrode sheet.

Method used

A lithium battery filmmaking device is designed, by providing symmetrical biasing wheels on both sides of the pole sheet, the biasing wheel rotates to contact the pole sheet to reduce friction and clean the powder on the biasing wheel.

Benefits of technology

It effectively reduces the chance of friction and grinding of the pole sheet, and improves the quality and cutting accuracy of the pole sheet.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222770285U_ABST
    Figure CN222770285U_ABST
Patent Text Reader

Abstract

The utility model discloses a lithium battery piece-making device, which comprises a rack, an unreeling assembly, a transmission assembly, a deviation rectifying assembly and a cutting assembly, the rack is provided with a side plate, the unreeling assembly is arranged on the side plate, the transmission assembly, the deviation rectifying assembly and the cutting assembly are arranged on the rack, the unreeling assembly is connected with an unreeling shaft, the transmission assembly comprises a vertical plate, and the vertical plate is connected with the deviation rectifying assembly. The vertical plate is connected with a first rotating shaft and a second rotating shaft, the first rotating shaft is connected with a first gear, the second rotating shaft is connected with a second gear meshed with the first gear, the deviation rectifying assembly comprises a supporting plate, a first deviation rectifying wheel and a second deviation rectifying wheel, the first deviation rectifying wheel and the second deviation rectifying wheel are rotationally connected to the supporting plate, and the deviation rectifying assembly is provided with a dust removal assembly. The dust removal assembly comprises a dust removal bottom plate and a dust removal wheel, the dust removal wheel is rotationally connected to the dust removal bottom plate, the cutting assembly comprises a portal frame and a cutter, the grinding probability is reduced mainly by rotationally making contact with the pole piece through the deviation rectifying wheel, friction between the deviation rectifying wheel and the pole piece is reduced, meanwhile, powder on the deviation rectifying wheel can be cleaned, and quality is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery manufacturing, in particular to a lithium battery manufacturing device. Background Art

[0002] The lithium battery making machine is mainly suitable for continuous stripping of positive and negative electrodes of lithium-ion batteries, welding of electrode protective tape and winding. It is mainly composed of electrode unwinding and correction mechanism, electrode ear welding mechanism, electrode buffer device, electrode tape device and electrode fixed length cutting system. In the existing lithium battery making device, in the cutting mechanism of the last process, the electrode needs to be corrected during the cutting process to prevent the electrode from being easily shifted during transmission. The shifted electrode will have an uneven end with sharp corners after cutting, which does not meet the production standards. , and the prior art discloses: a fully automatic lithium battery film making device, publication number: CN215418228U, through the opposite threads provided on the surface of the two screw rods, so as to facilitate the movement of the sleeve rod in relative or opposite directions, the movement of the two sleeve rods drives the movement of the limit plate, and the movement of the limit plate on the transport platform is convenient for limiting the transportation of the pole piece, thereby preventing the pole piece from being displaced during transportation, which is beneficial to improve the accuracy of subsequent cutting. The prior art has the problem that the limit plate and the pole piece are constantly rubbed together to produce powder, which affects the quality of the pole piece. Utility Model Content

[0003] In view of the above-mentioned prior art, the utility model provides a lithium battery film making device, which mainly contacts the pole piece by rotating the correcting wheel to reduce the friction with the pole piece and reduce the probability of grinding. At the same time, it can clean the powder on the correcting wheel to improve the quality.

[0004] To achieve the above purpose, the technical solution of the embodiment of the utility model is implemented as follows:

[0005] A lithium battery manufacturing device comprises a frame, a unwinding assembly, a transmission assembly, a deviation correction assembly and a cutting assembly, the frame is provided with a side plate, the unwinding assembly is mounted on the side plate, the frame is symmetrically provided with the deviation correction assembly, the unwinding assembly is rotatably connected with an unwinding shaft, the transmission assembly comprises a vertical plate, the vertical plate is mounted on the frame, the vertical plate is rotatably connected with a first rotating shaft and a second rotating shaft, the first rotating shaft is connected with a first gear, the second rotating shaft is connected with a second gear meshing with the first gear, the deviation correction assembly comprises a supporting plate, a first deviation correction wheel and a second deviation correction wheel, the supporting plate is connected to the frame, the first deviation correction wheel and the second deviation correction wheel are rotatably connected to the supporting plate, the deviation correction assembly is provided with a dust removal assembly, the dust removal assembly comprises a dust removal bottom plate and a dust removal wheel, the dust removal wheel is rotatably connected to the dust removal bottom plate, the cutting assembly comprises a gantry and a cutting knife, the gantry is mounted on the frame, and the cutting knife is connected to the gantry.

[0006] Furthermore, the unwinding assembly includes a first motor, and an output end of the first motor is connected to the unwinding shaft.

[0007] Furthermore, the vertical plate is provided with a second motor, and an output end of the second motor is connected to the first rotating shaft.

[0008] Furthermore, the support plate is provided with a dust removal groove, and the dust removal assembly is installed on the dust removal groove.

[0009] Furthermore, the support plate is provided with a slide rail, the slide rail is provided with a matching movable plate, the movable plate is provided with a third motor, the third motor is connected to the first correcting wheel, the second correcting wheel is rotatably connected to the movable plate, the first correcting wheel is provided with a first pulley, the second correcting wheel is provided with a second pulley, and the first pulley is provided with a first belt matching the second pulley.

[0010] Furthermore, the dust removal base plate is provided with a spring, one end of the spring is fixedly connected to the dust removal base plate, and the other end is connected to the dust removal wheel. The dust removal wheel is provided with an extension shaft, and the extension shaft passes through the upper part of the dust removal base plate. The upper part of the dust removal base plate is provided with a handle.

[0011] Furthermore, the support plate is provided with an adjusting bolt, the adjusting bolt is rotatably connected to an adjusting block, the adjusting block is rotatably connected to a flattening roller, the second rotating shaft is provided with a third pulley, the flattening roller is provided with a fourth pulley, and the third pulley is provided with a second belt cooperating with the fourth pulley.

[0012] Furthermore, the support plate is provided with a connecting ear, the connecting ear is provided with an adjusting screw rod, and the adjusting screw rod is rotatably connected to the movable plate.

[0013] Furthermore, the side plate is rotatably connected to a flattening shaft.

[0014] The beneficial effects of the utility model are as follows: the pole piece is unwound through the unwinding assembly, and is transmitted by the transmission assembly to the cutting assembly for cutting into pieces. During the transmission process, the first and second correcting wheels symmetrically arranged on both sides of the pole piece rotate to contact the pole piece, thereby reducing the friction with the pole piece and the probability of powder grinding. At the same time, the powder on the correcting wheels is cleaned by the dust removal assembly to improve the quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a lithium battery manufacturing device in an embodiment of the present application;

[0016] Figure 2 This is a schematic diagram of the structure of a lithium battery manufacturing device in an embodiment of the present application;

[0017] Figure 3 This is a schematic diagram of a partial assembly in an embodiment of the present application;

[0018] Figure 4 This is an enlarged schematic diagram of point A in the embodiment of the present application;

[0019] Figure 5 This is a schematic diagram of the partial structure of the correction component in the embodiment of the present application;

[0020] Figure 6 This is an enlarged schematic diagram of point B in the embodiment of the present application;

[0021] Figure 7 This is a schematic diagram of the structure of the dust removal component in the embodiment of the present application;

[0022] Figure 8 This is a schematic diagram of the partial structure of the correction component in the embodiment of the present application;

[0023] Description of Figure Numbers:

[0024] 1 frame, 2 unwinding assembly, 3 transmission assembly, 4 deviation correction assembly, 5 cutting assembly, 6 side plate, 7 unwinding shaft, 301 vertical plate, 8 first rotating shaft, 9 second rotating shaft, 10 first gear, 11 second gear, 12 support plate, 13 first deviation correction wheel, 14 second deviation correction wheel, 15 dust removal assembly, 16 dust removal bottom plate, 17 dust removal wheel, 18 gantry, 19 cutter, 20 first motor, 21 second motor, 22 dust removal trough, 23 slide rail, 24 movable plate, 25 third motor, 26 first pulley, 27 second pulley, 28 first belt, 29 spring, 30 extension shaft, 31 handle, 32 adjusting bolt, 33 adjusting block, 34 flattening roller, 35 third pulley, 36 fourth pulley, 37 second belt, 38 connecting ear, 39 adjusting screw rod, 40 flattening shaft, 41 adjusting block mounting plate, 42 pole piece roll, 421 pole piece. DETAILED DESCRIPTION

[0025] The technical solution of the utility model is further elaborated in detail below in conjunction with the drawings and specific embodiments of the specification. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of the utility model. The terms used herein in the specification of the utility model are only for the purpose of describing specific embodiments and are not intended to limit the utility model. In the following description, the expression "some embodiments" is involved, which describes a subset of all possible embodiments, but it should be understood that "some embodiments" can be the same subset or different subsets of all possible embodiments, and can be combined with each other without conflict.

[0026] It should also be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "inside", "outside", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0027] Example 1

[0028] See attached Figure 1-8The present application provides a lithium battery manufacturing device, including a frame 1, a reeling assembly 2, a transmission assembly 3, a correction assembly 4 and a cutting assembly 5, wherein the reeling assembly 2 is used to place a pole piece roll 42 and rotate the reeling assembly, the transmission assembly 3 is used to pull the pole piece 421 forward for transportation, the correction assembly 4 is used to prevent the position deviation of the transported pole piece 421 from affecting the cutting, and the cutting assembly 5 is used to cut the pole piece 421 into pieces, the frame 1 is provided with a side plate 6, the reeling assembly 2 is mounted on the side plate 6, the frame 1 is symmetrically provided with the correction assembly 4, and the correction assembly 4 has a group on each side of the pole piece 421 and is symmetrically arranged, the reeling assembly 2 is rotatably connected to the reeling shaft 7, the transmission assembly 3 includes a vertical plate 301, and the vertical plate 301 is installed On the frame 1, the vertical plate 301 is rotatably connected to the first rotating shaft 8 and the second rotating shaft 9, the first rotating shaft 8 is connected to the first gear 10, and the second rotating shaft 9 is connected to the second gear 11 meshing with the first gear 10, the first rotating shaft 8 and the second rotating shaft 9 rotate in opposite directions under the cooperation of the first gear 10 and the second gear 11, the first rotating shaft 8 rotates clockwise to drive the pole piece 421 to the right, the second rotating shaft 9 presses on the pole piece 421 and rotates in the opposite direction to the first rotating shaft 8, driving the pole piece 421 to be transported to the right, the correcting assembly 4 includes a support plate 12, a first correcting wheel 13 and a second correcting wheel 14, the support plate 12 is connected to the frame 1, the first correcting wheel 13 and the second correcting wheel 14 The deflection correction component 4 is rotatably connected to the support plate 12, and the deflection correction component 4 is provided with a dust removal component 15, and the dust removal component 15 is installed on the deflection correction component 4, and the dust removal component 15 includes a dust removal base plate 16 and a dust removal wheel 17, and the dust removal wheel 17 has elasticity and viscosity, and can stick to dust, and the dust removal wheel 17 is rotatably connected to the dust removal base plate 16, and the dust removal wheel 17 sticks to the first deflection correction wheel 13 and the second deflection correction wheel 14 for dust removal, and the dust removal wheel 17 has elasticity so that it can be closely attached to the first deflection correction wheel 13 and the second deflection correction wheel 14, and the cutting component 5 includes a gantry 18 and a cutter 19, and the gantry 18 is installed on the frame 1, and the cutter 19 is connected to the gantry 18. When working, first The pole piece roll 42 is placed on the unwinding shaft 7, and the unwinding shaft 7 rotates to unwind, passing the pole piece 421 through the middle of the first rotating shaft 8 and the second rotating shaft 9, and rotating the first rotating shaft 8 to drive the second rotating shaft 9 to rotate in the opposite direction, driving the pole piece 421 to be transported to the right, passing through the correcting component 4 on the way, and after being corrected by the first correcting wheel 13 and the second correcting wheel 14, it flows to the cutting component 5, and the dust removal wheel 17 sticks to the first correcting wheel 13 and the second correcting wheel 14 to remove dust, and finally cuts into pieces, and the two sets of symmetrical first correcting wheels 13 and second correcting wheels 14 provided on both sides of the pole piece 421 rotate to contact the pole piece 421, thereby reducing the friction with the pole piece 421 and reducing the probability of grinding.At the same time, the dust removal wheel 17 of the dust removal assembly 15 cleans the powder on the deviation correction wheel to prevent the powder from falling back onto the pole piece 421, thereby improving the quality.

[0029] Specifically, the unwinding assembly 2 includes a first motor 20, and the output end of the first motor 20 is fixedly connected to the unwinding shaft 7. The rotation of the unwinding shaft 7 is controlled by the first motor 20, so as to facilitate the adjustment of the speed and torque of the unwinding shaft 7. Obviously, the vertical plate 301 is provided with a second motor 21, and the output end of the second motor 21 is connected to the first rotating shaft 8. The first rotating shaft 8 is transmitted by the second motor 21, so as to facilitate the control of the rotation speed and torque of the first rotating shaft 8, so that the conveying speed of the first rotating shaft 8 is synchronized with the unwinding speed of the unwinding shaft 7, so as to avoid jamming or over-release.

[0030] Specifically, the support plate 12 is provided with a dust removal groove 22, and the dust removal component 15 is installed on the dust removal groove 22, which is convenient for installation and maintenance. The dust removal component 15 is installed on the dust removal groove 22 by plugging and unplugging, which is convenient for employees to clean and wipe the dust sticking on the dust removal wheel 17.

[0031] Specifically, the support plate 12 is provided with a slide rail 23, and the slide rail 23 is provided with a matching movable plate 24, and the movable plate 24 is movably connected to the slide rail 23, and the movable plate 24 is provided with a third motor 25, and the third motor 25 is connected to the first deviation correcting wheel 13, and the second deviation correcting wheel 14 is rotatably connected to the movable plate 24, and the first deviation correcting wheel 13 is fixedly connected to a first pulley 26, and the second deviation correcting wheel 14 is fixedly connected to a second pulley 27, and the first pulley 26 is provided with a first belt 28 that cooperates with the second pulley 27, and the first pulley 26 is provided with a first belt 28 that cooperates with the second pulley 27. The third motor 25 drives the first deflection correcting wheel 13 to rotate, and drives the first pulley 26 to rotate at the same time. Obviously, the second pulley 27 drives the second deflection correcting wheel 14 to rotate under the transmission of the first belt 28. By rotating the first deflection correcting wheel 13 and the second deflection correcting wheel 14, the friction with the pole piece 421 is reduced. The movable plate 24 is adjustable to facilitate the adjustment of the position of the first deflection correcting wheel 13 and the second deflection correcting wheel 14 close to the pole piece 421, thereby reducing the difficulty of parts processing and reducing the difficulty of technicians installing and debugging equipment, thereby improving efficiency.

[0032] Specifically, the dust removal base plate 16 is provided with a spring 29, one end of the spring 29 is fixedly connected to the dust removal base plate 16, and the other end is connected to the dust removal wheel 17. The dust removal wheel 17 is provided with an extension shaft 30, and the extension shaft 30 passes through the upper part of the dust removal base plate 16. The upper part of the dust removal base plate 16 is provided with a handle 31, and the handle 31 is used for convenient plugging and unplugging. The spring 29 is used for buffering to prevent the dust removal wheel 17 and the first and second deviation correcting wheels 13 and 14 from being too tightly attached and stuck. The extension shaft 30 facilitates the technician to press the spring 29 in the direction of the handle 31 when installing the dust removal component 15, so that the dust removal component 15 can be smoothly installed in the dust removal groove 22.

[0033] Example 2

[0034] See attached Figure 1-8 The difference between this embodiment and embodiment 1 is that the support plate 12 is provided with an adjusting bolt 32, the adjusting bolt 32 is rotatably connected with an adjusting block 33, the support plate 12 is provided with an adjusting block mounting plate 41, the adjusting block 33 is movably connected to the adjusting block mounting plate 41, the adjusting block 33 is rotatably connected with a flattening roller 34, the second rotating shaft 9 is provided with a third pulley 35, the flattening roller 34 is provided with a fourth pulley 36, the third pulley 35 is provided with a second belt 37 cooperating with the fourth pulley 36, the pole piece 421 is flattened by the flattening roller 34 to prevent it from warping, thereby ensuring the cutting accuracy, the flattening roller 34 It is rotatably connected to the adjusting block 33, and the flattening roller 34 is driven to rotate by the cooperation of the third pulley 35, the fourth pulley 36 and the second belt 37, so as to reduce the friction with the pole piece 421 and the probability of generating dust. Meanwhile, the counterclockwise rotation of the flattening roller 34 also serves the function of conveying the pole piece 421. Preferably, the upper and lower positions of the adjusting block 33 are adjusted by the adjusting bolt 32, so as to adjust the state of the flattening roller 34 contacting the pole piece 421, so as to avoid the lack of contact and excessive pressing, which affects the conveying and flattening of the pole piece 421. The structure is simple, and the power transmission of the second motor 21 is cleverly used to save energy.

[0035] Specifically, the support plate 12 is provided with a connecting ear 38, and the connecting ear 38 is provided with an adjusting screw rod 39. The adjusting screw rod 39 is rotatably connected to the movable plate 24. The movable plate 24 is adjusted by adjusting the adjusting screw rod 39 to improve the adjustment accuracy.

[0036] Specifically, the side plate 6 is rotatably connected to a flattening shaft 40 , and the pole piece 421 just stretched from the pole piece roll 42 is flattened by the flattening shaft 40 , thereby reducing the warping of the pole piece 421 and improving the cutting accuracy.

[0037] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. The protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A lithium battery manufacturing device, characterized in that: The present invention relates to a method for axially activating a rotation of the transmission mechanism, wherein the rotation of the transmission mechanism is controlled by the said rotation of the transmission mechanism, and the said rotation of the transmission mechanism is controlled by the said rotation of the transmission mechanism.

2. A lithium battery manufacturing device according to claim 1, characterized in that: The unwinding assembly comprises a first motor, and an output end of the first motor is connected to the unwinding shaft.

3. A lithium battery manufacturing device according to claim 1, characterized in that: The vertical plate is provided with a second motor, and the output end of the second motor is connected to the first rotating shaft.

4. A lithium battery manufacturing device according to claim 1, characterized in that: The support plate is provided with a dust removal groove, and the dust removal assembly is installed on the dust removal groove.

5. A lithium battery manufacturing device according to claim 1, characterized in that: The support plate is provided with a slide rail, the slide rail is provided with a matching movable plate, the movable plate is provided with a third motor, the third motor is connected to the first correcting wheel, the second correcting wheel is rotatably connected to the movable plate, the first correcting wheel is provided with a first pulley, the second correcting wheel is provided with a second pulley, and the first pulley is provided with a first belt matching the second pulley.

6. A lithium battery manufacturing device according to claim 1, characterized in that: The dust removal base plate is provided with a spring, one end of the spring is fixedly connected to the dust removal base plate, and the other end is connected to the dust removal wheel. The dust removal wheel is provided with an extension shaft, and the extension shaft passes through the upper part of the dust removal base plate. The upper part of the dust removal base plate is provided with a handle.

7. A lithium battery manufacturing device according to claim 1, characterized in that: The support plate is provided with an adjusting bolt, the adjusting bolt is rotatably connected to an adjusting block, the adjusting block is rotatably connected to a flattening roller, the second rotating shaft is provided with a third pulley, the flattening roller is provided with a fourth pulley, and the third pulley is provided with a second belt that cooperates with the fourth pulley.

8. A lithium battery manufacturing device according to claim 5, characterized in that: The support plate is provided with a connecting ear, and the connecting ear is provided with an adjusting screw rod, and the adjusting screw rod is rotatably connected to the movable plate.

9. A lithium battery manufacturing device according to claim 1, characterized in that: The side plate is rotatably connected with a flattening shaft.

Citation Information

Patent Citations

  • Full-automatic lithium battery flaking device

    CN215418228U