Texturing device of carbon-coated aluminum foil for lithium battery

By designing a carbon-coated aluminum foil lactation device for lithium batteries that combines laser head, adjustment device, wipe device and fan, the problems of inefficiency and uneven processing of traditional lactation treatment methods are solved, and the more uniform roughness of the aluminum foil surface is improved and the processing efficiency is improved.

CN222919804UActive Publication Date: 2025-05-30ANHUI MEIXIN ALUMINUM CO LTD
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Patent Information

Application Number
CN202421810401.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-05-30
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

The traditional carbon-coated aluminum foil blistering treatment method has problems such as inefficiency, uneven treatment, and many impurities on the surface of the aluminum foil.

Method used

A woven-coated aluminum foil for lithium batteries is designed, and the surface of the aluminum foil is polished by using a laser head, and the surface of the aluminum foil is uniformly wiped by the coordination device and the wiping device. The device uses a combination of spring and brush as a wiper device, and combined with the fan setting, the uniformity and efficiency of the blistering treatment are improved.

Benefits of technology

It improves the uniformity and processing efficiency of the surface roughness of the aluminum foil, extends the service life of the brush, and effectively removes impurities generated during the processing, improving the performance of lithium batteries.

✦ Generated by Eureka AI based on patent content.

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Abstract

The texturing device comprises a base, stand columns are fixedly connected to the tops of the two sides of the base, a top cover is fixedly connected to the tops of the stand columns, a mounting frame is fixedly connected to the bottom of the middle of the top cover, and an aluminum foil winding and unwinding device is arranged at the bottom of the mounting frame. The aluminum foil winding and unwinding device is used for winding and unwinding an aluminum foil roll. According to the texturing device for the carbon-coated aluminum foil for the lithium battery, the aluminum foil winding and unwinding device is used for winding and unwinding an aluminum foil roll, texturing the surface of the aluminum foil by using a laser head and increasing the surface roughness of the aluminum foil, and uniform wiping treatment on the surface of the aluminum foil can be realized through cooperation of the adjusting device and the wiping device; and the wiping device adopts the combination of a spring and a brush, so that the brush can effectively wipe the surface of the aluminum foil, excessive wear is avoided, and the service life of the brush is prolonged.
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Description

Technical Field

[0001] The utility model relates to the field of aluminum foil processing, and more specifically, to a texturing device for carbon-coated aluminum foil for lithium batteries. Background Art

[0002] With the continuous development of lithium battery technology, as an important component of lithium batteries, the performance and quality of carbon-coated aluminum foil have a crucial impact on the overall performance of lithium batteries. The texturing treatment of carbon-coated aluminum foil is a key step to improve its surface roughness and increase the adhesion with carbon conductive paste, thereby improving the performance of lithium batteries. However, the traditional texturing treatment methods for carbon-coated aluminum foil have problems such as low efficiency, uneven treatment, and many impurities on the aluminum foil surface. Therefore, developing a texturing device that is efficient, uniform, and has little damage to the aluminum foil is of great significance for improving the performance of lithium batteries. Summary of the Utility Model

[0003] 1. Technical Problems to be Solved

[0004] Aiming at the problems in the prior art that the traditional texturing treatment methods for carbon-coated aluminum foil have low efficiency, uneven treatment, and many impurities on the aluminum foil surface, the purpose of the utility model is to provide a texturing device for carbon-coated aluminum foil for lithium batteries, which can use the aluminum foil winding and unwinding device as the existing technology to wind and unwind the aluminum foil roll, use the laser head to texture the aluminum foil surface, increase the surface roughness of the aluminum foil, and through the cooperation of the adjusting device and the wiping device, it can achieve uniform wiping treatment of the aluminum foil surface, improve the treatment efficiency and quality. The wiping device adopts a combination of a spring and a brush, which not only ensures the effective wiping of the brush on the aluminum foil surface but also avoids excessive wear and extends the service life of the brush. The setting of the fan further improves the uniformity and efficiency of the texturing treatment, and at the same time helps with heat dissipation and removal of impurities generated during the treatment process.

[0005] 2. Technical Solutions

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A texturing device for carbon-coated aluminum foil for lithium batteries includes a base. On both sides of the top of the base, there are fixedly connected columns. At the top of the columns, there is a fixedly connected top cover. At the bottom of the middle of the top cover, there is a fixedly connected mounting rack. At the bottom of the mounting rack, there is an aluminum foil winding and unwinding device for winding and unwinding the aluminum foil roll. On the side wall of the column, there is a fixedly connected fixing rack. The fixing rack is fixedly connected with a collection box. Inside the collection box, there is an adjusting device. At the top of the adjusting device, there is a wiping device for wiping the aluminum foil surface. On the left side of the collection box, there is a laser head. On the other side of the collection box, there is a fan. The laser head and the fan correspond to the aluminum foil surface.

[0008] Preferably, the adjusting device includes a threaded rod, a moving frame, a first adjusting nut and a second adjusting nut. There are two threaded rods. The threaded rods are sleeved with the moving frame. The first adjusting nut and the second adjusting nut are respectively threadedly connected to the upper and lower sides of the moving frame. The first adjusting nut and the second adjusting nut cooperate to fix the position of the moving frame. The tops of both sides of the moving frame are connected to the wiping device.

[0009] Preferably, the thread directions of the two threaded rods are opposite.

[0010] Preferably, the wiping device includes a mounting frame, a spring, a brush, a guiding rod and a stop block. The mounting frame is fixedly connected to the top of the threaded rod. A spring is fixedly connected to the top of the mounting frame. The top of the spring is fixedly connected to the brush. The brush squeezes and wipes the surface of the aluminum foil. A guiding rod is fixedly connected to the bottom of the brush. The guiding rod is sleeved with the spring. The guiding rod is slidably connected to the mounting frame. A stop block is fixedly connected to one end of the guiding rod inside the mounting frame.

[0011] Preferably, the brush is designed to be replaceable, so that it can be conveniently replaced when worn to maintain the wiping effect.

[0012] Preferably, a scale is provided on the surface of the threaded rod.

[0013] 3. Beneficial effects

[0014] Compared with the prior art, the advantages of the present utility model are as follows:

[0015] By using a laser head to perform texturing treatment on the surface of the aluminum foil, which is a known prior art, the cooperation of the adjusting device and the wiping device can achieve uniform wiping treatment on the surface of the aluminum foil, improving the treatment efficiency and treatment quality.

[0016] By using a combination of a spring and a brush in the wiping device, it not only ensures the effective wiping of the brush on the surface of the aluminum foil, but also avoids excessive wear and extends the service life of the brush.

[0017] By setting up a fan, the uniformity and efficiency of the texturing treatment are further improved, and at the same time, it helps with heat dissipation and removal of impurities generated during the treatment process. Brief description of the drawings

[0018] Figure 1 It is a schematic diagram of the overall external structure of the present utility model;

[0019] Figure 2 It is a schematic diagram of the overall internal structure of the present utility model;

[0020] Figure 3Schematic structural diagram of the adjustment device of the present utility model;

[0021] Figure 4 Schematic structural diagram of the wiping device of the present utility model.

[0022] Description of the reference numerals in the figure:

[0023] 1. Base; 2. Column; 3. Top cover; 4. Mounting frame; 5. Aluminum foil winding and unwinding device; 6. Fixed frame; 7. Collection box; 8. Adjustment device; 81. Threaded rod; 82. Moving frame; 83. First adjusting nut; 84. Second adjusting nut; 9. Wiping device; 91. Mounting frame; 92. Spring; 93. Brush; 94. Guide rod; 95. Stopper; 10. Laser head; 11. Fan. Specific implementation mode

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0025] Embodiment 1:

[0026] Please refer to Figures 1-4 , the present utility model provides a technical solution: a texturing device for carbon-coated aluminum foil for lithium batteries, including a base 1, two side tops of the base 1 are fixedly connected with columns 2, the tops of the columns 2 are fixedly connected with a top cover 3, the middle bottom of the top cover 3 is fixedly connected with a mounting frame 4, the bottom of the mounting frame 4 is provided with an aluminum foil winding and unwinding device 5 for winding and unwinding aluminum foil rolls, the side wall of the column 2 is fixedly connected with a fixed frame 6, the fixed frame 6 is fixedly connected with a collection box 7, the inside of the collection box 7 is provided with an adjustment device 8, the top of the adjustment device 8 is provided with a wiping device 9 for wiping the surface of the aluminum foil, the left side of the collection box 7 is provided with a laser head 10, the other side of the collection box 7 is provided with a fan 11, and the laser head 10 and the fan 11 both correspond to the surface of the aluminum foil. The aluminum foil winding and unwinding device 5 is an existing technology for winding and unwinding aluminum foil rolls. The surface of the aluminum foil is textured by the laser head 10 to increase the surface roughness of the aluminum foil. The cooperation of the adjustment device 8 and the wiping device 9 can realize the uniform wiping treatment of the aluminum foil surface, improve the treatment efficiency and treatment quality. The wiping device 9 adopts the combination of a spring 92 and a brush 93, which not only ensures the effective wiping of the brush 93 on the aluminum foil surface, but also avoids excessive wear and extends the service life of the brush 93. The setting of the fan 11 further improves the uniformity and efficiency of the texturing treatment, and helps to dissipate heat and remove impurities generated during the treatment process.

[0027] Among them, the adjusting device 8 includes a threaded rod 81, a moving frame 82, a first adjusting nut 83 and a second adjusting nut 84. The number of threaded rods 81 is two. The threaded rod 81 is sleeved with the moving frame 82. The first adjusting nut 83 and the second adjusting nut 84 are respectively threadedly connected to the upper and lower sides of the moving frame 82. The first adjusting nut 83 and the second adjusting nut 84 cooperate to fix the position of the moving frame 82. The top sides of both sides of the moving frame 82 are connected to the wiping device 9. The adjusting device 8 is provided to respectively adjust the first adjusting nut 83 and the second adjusting nut 84 to change the height of the moving frame 82, and further adjust the wiping device 9.

[0028] Among them, the thread directions of the two threaded rods 81 are opposite. By using two threaded rods 81 with opposite thread directions, the influence on the adjusting nut during work is reduced, and the fixing stability of the moving frame 82 is improved.

[0029] Among them, the wiping device 9 includes a mounting frame 91, a spring 92, a brush 93, a guiding rod 94 and a stop block 95. The mounting frame 91 is fixedly connected to the top of the threaded rod 81. A spring 92 is fixedly connected to the top of the mounting frame 91. A brush 93 is fixedly connected to the top of the spring 92. The brush 93 squeezes and wipes the surface of the aluminum foil. A guiding rod 94 is fixedly connected to the bottom of the brush 93. The guiding rod 94 is sleeved with the spring 92. The guiding rod 94 is slidably connected to the mounting frame 91. A stop block 95 is fixedly connected to one end of the guiding rod 94 located inside the mounting frame 91. The wiping device 9 is provided. The mounting frame 91 supports the brush 93 through the spring 92, so that the brush 93 wipes the surface of the aluminum foil, wipes the aluminum foil that has undergone laser treatment, reduces the attachment of debris, and improves the product quality.

[0030] Among them, the brush 93 adopts a replaceable design, and can be conveniently replaced when the brush 93 is worn to maintain the wiping effect.

[0031] Among them, a scale is provided on the surface of the threaded rod 81. The adjustment accuracy is improved.

[0032] The above; only the preferred specific implementation manners of the present utility model; but the protection scope of the present utility model is not limited thereto; any person skilled in the art within the technical scope disclosed by the present utility model; according to the technical solution of the present utility model and its improved concept, making equivalent replacements or changes; should be covered by the protection scope of the present utility model.

Claims

1. A texturing device for carbon-coated aluminum foil for lithium batteries, comprising a base (1), characterized in that: The tops of both sides of the base (1) are fixedly connected with upright posts (2), the tops of the upright posts (2) are fixedly connected with a top cover (3), the middle bottom of the top cover (3) is fixedly connected with a mounting frame (4), the bottom of the mounting frame (4) is provided with an aluminium foil retracting device (5), the aluminium foil retracting device (5) is used for retracting an aluminium foil roll, the side walls of the upright posts (2) are fixedly connected with a fixing frame (6), the fixing frame (6) is fixedly connected with a collecting frame (7), an adjusting device (8) is provided inside the collecting frame (7), a wiping device (9) is provided on the top of the adjusting device (8), the wiping device (9) is used for wiping the surface of the aluminium foil, a laser head (10) is provided on the left side of the collecting frame (7), a fan (11) is provided on the other side of the collecting frame (7), the laser head (10) and the fan (11) both correspond to the surface of the aluminium foil.

2. The texturing device for carbon-coated aluminum foil for lithium battery according to claim 1, characterized in that: The adjusting device (8) comprises a threaded rod (81), a moving frame (82), a first adjusting nut (83) and a second adjusting nut (84); the number of the threaded rods (81) is two, the moving frame (82) is sleeved on the threaded rods (81), the threaded rods (81) are located on upper and lower sides of the moving frame (82), and are respectively threadedly connected to the first adjusting nut (83) and the second adjusting nut (84); the first adjusting nut (83) and the second adjusting nut (84) cooperate to fix the position of the moving frame (82), and the tops of both sides of the moving frame (82) are connected to the wiping device (9).

3. The texturing device for carbon-coated aluminum foil for lithium battery according to claim 2, characterized in that: The thread directions of the two threaded rods (81) are opposite.

4. The texturing device for carbon-coated aluminum foil for lithium battery according to claim 2, characterized in that: The wiping device (9) comprises a mounting frame (91), a spring (92), a brush (93), a guide rod (94) and a stopper (95); the mounting frame (91) is fixedly connected to the top of the threaded rod (81); the top of the mounting frame (91) is fixedly connected to the spring (92); the top of the spring (92) is fixedly connected to the brush (93); the brush (93) performs extrusion and wiping on the surface of the aluminum foil; the bottom of the brush (93) is fixedly connected to the guide rod (94); the guide rod (94) is sleeved with the spring (92); the guide rod (94) is slidably connected to the mounting frame (91); and one end of the guide rod (94) located inside the mounting frame (91) is fixedly connected to the stopper (95).

5. The texturing device for carbon-coated aluminum foil for lithium battery according to claim 4, characterized in that: The brush (93) is designed to be replaceable, and when the brush (93) is worn, it can be conveniently replaced to maintain the wiping effect.

6. The texturing device for carbon-coated aluminum foil for lithium battery according to claim 3, characterized in that: The surface of the threaded rod (81) is provided with scales.