Lithium battery material coating equipment

The lithium battery material coating equipment driven by the servo motor uses electric telescopic rods and nozzles to control the amount of coating material, combined with vacuum pumps and booster pumps, the problem of uneven thickness of the surface coating material on the lithium battery is solved, and efficient automatic coating is achieved.

CN223042936UActive Publication Date: 2025-07-01XINGNIU NEW ENERGY (HENAN) CO LTD
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Patent Information

Application Number
CN202421651853.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-12
Publication Date
2025-07-01
Estimated Expiration
2034-07-12

AI Technical Summary

Technical Problem

Existing lithium battery material coating equipment cannot effectively control the thickness uniformity of coating material on multiple battery surfaces, and it requires manual rotation and rotation of the handle to consume manpower.

Method used

The servo motor is used to drive the T-shaped sliding block, and the electric telescopic rod and the nozzle are driven close to the placement plate through the screw. The nozzle controls the coating material to the same amount, and combines the vacuum pump and the booster pump to form a vacuum environment to achieve uniform coating.

Benefits of technology

The coating materials on the surface of multiple lithium batteries are uniform in thickness, saving manpower, improving work efficiency, and improving coating effect and equipment automation.

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    Figure CN223042936U_ABST
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Abstract

The utility model relates to the technical field of coating, in particular to lithium battery material coating equipment which comprises a coating box body and a transparent sealing door hinged to one side of the coating box body, a placing plate is arranged in the coating box body, a plurality of placing holes are formed in the placing plate, a T-shaped sliding groove is formed in the upper end of the coating box body, and the T-shaped sliding groove is communicated with the transparent sealing door. A T-shaped sliding groove is formed in the base, a T-shaped sliding block is arranged in the T-shaped sliding groove in a sliding mode, an electric telescopic rod is fixedly arranged at the lower end of the T-shaped sliding block, a spray head is fixedly arranged at the lower end of the electric telescopic rod, and a plurality of nozzles are fixedly arranged at the lower end of the spray head. An electric telescopic rod can drive a sprayer and a nozzle to move downwards to be close to a placing plate, coating materials enter the sprayer through a telescopic material guide pipe, the surfaces of the lithium batteries are coated through the nozzle, the nozzle can control the amount of the sprayed coating materials to be consistent, the thicknesses of the coating materials on the surfaces of the multiple lithium batteries in the placing holes are uniform, manpower is saved, and the coating efficiency is improved. The working efficiency is improved.
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Description

Technical Field

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

[0002] As a power supply, the battery has brought great convenience to people's daily life. As a portable power supply, the battery has a wide range of application fields. Existing batteries contain positive and negative plates, and there is a separator between the positive and negative plates. Currently, in commonly used all-solid thin-film lithium batteries, the battery materials are deposited layer by layer by a coating method.

[0003] According to a coating device for battery materials disclosed in a Chinese patent document with the publication number CN213835516U, which includes a coating box, a battery placement box, and a placement hole. First, open the transparent sealing door, place the battery into the placement hole, then limit and fix the battery, and then close the transparent sealing door. At this time, connect to an external power supply to start the vacuum pump to absorb the air inside the coating box. After absorption, heat the temperature inside the coating box to the required temperature through a heating device, and then introduce the material into the coating box through an air inlet pipe to perform a coating operation on the surface of the battery. In the utility model, by rotating the rotating handle to rotate the battery, the coating on the battery surface can be ensured to be uniform, improving the coating effect. The setting of the protective sleeve reduces the phenomenon of hand slipping during operation; the setting of the material collection box and the transparent sealing door collects the excess material to avoid waste, and at the same time observes the coating effect on the battery inside the coating box through the transparent sealing door, reducing the phenomenon of having to rework due to incomplete coating.

[0004] Based on the retrieval of the above patent and the combination with the equipment in the existing technology, it is found that when the above equipment is applied, the coating material enters the coating box in a vacuum state through the air inlet pipe, and the surface of the battery is coated by continuously rotating the rotating handle. However, the content of the coating material on the surfaces of multiple lithium batteries entering the coating box cannot be controlled, and the thickness of the coating material on the surfaces of multiple batteries in the coating box cannot be made uniform. At the same time, it is necessary to manually rotate the rotating handle continuously, consuming manpower.

[0005] Therefore, it is urgent to improve the coating device for lithium battery materials to solve the above existing problems. Summary of the Utility Model

[0006] The purpose of the present utility model is to provide a coating device for lithium battery materials. When the servo motor is started, the servo motor drives the T-shaped sliding block to move through a screw rod. The electric telescopic rod can drive the spray head and nozzle to move downward and approach the placement plate. The coating material enters the spray head through the telescopic feeding pipe, and the surface of the lithium battery is coated through the nozzle. The nozzle can control the consistent dosage of the sprayed coating material, making the thickness of the coating material on the surfaces of multiple lithium batteries in the placement holes uniform, saving manpower and improving work efficiency.

[0007] To achieve the above purpose, the main technical solutions adopted by the present utility model include: a coating device for lithium battery materials, comprising a coating box body and a transparent sealing door hinged to one side of the coating box body. A placement plate is arranged inside the coating box body, and a plurality of placement holes are opened on the placement plate. A T-shaped sliding groove is opened at the upper end of the coating box body, and a T-shaped sliding block is slidably arranged in the T-shaped sliding groove. A driving mechanism for driving the T-shaped sliding block to move is arranged on one side of the coating box body. An electric telescopic rod is fixedly arranged at the lower end of the T-shaped sliding block, a spray head is fixedly arranged at the lower end of the electric telescopic rod, and a plurality of nozzles are fixedly arranged at the lower end of the spray head;

[0008] A storage box is fixedly arranged at the upper end of the coating box body. A feed inlet is opened at the upper end of the storage box, and a telescopic feeding pipe that penetrates the upper end of the coating box body and is communicated with the spray head is fixedly arranged at the lower end of the storage box.

[0009] Preferably, the driving mechanism includes a servo motor fixedly arranged on one side of the coating box body. The output end of the servo motor is fixedly provided with a screw rod that is rotatably connected to both sides of the coating box body. The screw rod is located in the T-shaped sliding groove, penetrates the T-shaped sliding block, and is screwed to the T-shaped sliding block.

[0010] Preferably, a booster pump is fixedly arranged on one side of the storage box, and an intake pipe communicated with the storage box is arranged at the output end of the booster pump.

[0011] Preferably, a plurality of compression springs are fixedly arranged at equal intervals on one side of the inner wall of the placement hole, and the other ends of the plurality of compression springs are fixedly connected to a push plate.

[0012] Preferably, a vacuum pump is fixedly arranged on one side of the coating box body through a fixing plate. The output end of the vacuum pump is fixedly provided with an intake pipe communicated with one side of the coating box body, and a switch valve is installed on the intake pipe.

[0013] Preferably, a rotating rod rotatably connected to both sides of the coating box body is fixedly arranged on the placement plate. One end of the rotating rod penetrates one side of the coating box body and is fixedly connected to a handle.

[0014] Preferably, the handle includes a cross bar and a vertical bar, the cross bar and the vertical bar are inserted into each other, a plurality of holes are formed on one side of the coating box body close to the handle, and one end of the cross bar fits with the holes.

[0015] The utility model has at least the following beneficial effects:

[0016] 1. By arranging the electric telescopic rod, the spray head and the nozzle can be close to the surface of the placing plate, which is convenient for coating the surfaces of a plurality of lithium batteries in the placing holes. By arranging the spray head and the nozzle, the nozzle can control the amount of the coating material sprayed to be consistent, so that the thickness of the coating material on the surfaces of a plurality of lithium batteries in the placing holes is uniform, saving manpower and improving work efficiency.

[0017] 2. By arranging a plurality of placing holes, it is convenient to place a plurality of lithium batteries, and multiple lithium batteries can be coated simultaneously, improving efficiency. By arranging the compression spring and the push plate, lithium batteries with different sizes placed in the placing holes can be fixed.

[0018] 3. By arranging the electric telescopic rod, the spray head and the nozzle can be close to the surface of the placing plate, which is convenient for uniformly coating the surfaces of a plurality of lithium batteries in the placing holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present application and form a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation of the present application. In the drawings:

[0020] Figure 1 is an isometric structural schematic diagram of the present utility model;

[0021] Figure 2 is a right view of the present utility model;

[0022] Figure 3 is of the present utility model Figure 2 stereoscopic sectional view at A-A therein;

[0023] Figure 4 is a front view of the present utility model;

[0024] Figure 5 is of the present utility model Figure 4 stereoscopic sectional view at B-B therein;

[0025] Figure 6 is of the present utility model Figure 4 sectional view at C-C therein;

[0026] Figure 7 is of the present utility model Figure 6 enlarged view at A therein.

[0027] In the figure, 1 is the main body of the coating box; 11 is the transparent sealing door; 12 is the placement plate; 13 are the placement holes; 14 is the T-shaped sliding groove; 15 is the T-shaped sliding block; 16 is the driving mechanism; 1601 is the servo motor; 1602 is the screw; 17 is the electric telescopic rod; 18 is the spray head; 19 is the nozzle; 120 is the storage tank; 121 is the feed inlet; 122 is the telescopic feed pipe; 3 is the booster pump; 31 is the intake pipe; 4 is the compression spring; 41 is the push plate; 5 is the vacuum pump; 51 is the suction pipe; 52 is the switch valve; 6 is the rotating rod; 61 is the handle; 6101 is the cross bar; 6102 is the vertical bar; 7 is the hole slot. Specific Embodiment

[0028] The following will cooperate with the drawings and embodiments to elaborate in detail on the implementation manner of the present application, so as to fully understand the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects and implement accordingly.

[0029] As Figures 1-6 shown, the lithium battery material coating equipment provided in this embodiment includes the main body 1 of the coating box and the transparent sealing door 11 hinged to one side of the main body 1 of the coating box. By setting the transparent sealing door 11, it is convenient to observe the internal situation of the main body 1 of the coating box. A placement plate 12 is arranged inside the main body 1 of the coating box, and a plurality of placement holes 13 are opened on the placement plate 12. By setting a plurality of placement holes 13, it is convenient to place a plurality of lithium batteries, and multiple lithium batteries can be coated simultaneously, improving the efficiency.

[0030] Among them, a rotating rod 6 rotatably connected to both sides of the main body 1 of the coating box is fixedly arranged on the placement plate 12. One end of the rotating rod 6 penetrates through one side of the main body 1 of the coating box and is fixedly connected with a handle 61. The handle 61 includes a cross bar 6101 and a vertical bar 6102. The cross bar 6101 and the vertical bar 6102 are inserted. A plurality of hole slots 7 are opened on one side of the main body 1 of the coating box close to the handle 61. One end of the cross bar 6101 fits with the hole slot 7. The cooperation of the cross bar 6101 and the hole slot 7 can play a role in fixing the placement plate 12. When the cross bar 6101 disengages from the hole slot 7, rotating the cross bar 6101 can drive the placement plate 12 to rotate through the rotating rod 6. When the horizontal position of the placement plate 12 is fixed, it is convenient to coat the lithium batteries in the placement holes 13. When the vertical position of the placement plate 12 is fixed, it is convenient to place and take out the lithium batteries.

[0031] Furthermore, a plurality of compression springs 4 are fixedly arranged at equal intervals on one side of the inner wall of the placement hole 13, and the other ends of the plurality of compression springs 4 are fixedly connected with a push plate 41. By setting the compression springs 4 and the push plate 41, it is possible to fix lithium batteries of different sizes placed in the placement holes 13.

[0032] The upper end of the coating box body 1 is provided with a T-shaped sliding groove 14, and a T-shaped sliding block 15 is slidably arranged in the T-shaped sliding groove 14. A driving mechanism 16 for driving the movement of the T-shaped sliding block 15 is arranged on one side of the coating box body 1.

[0033] Among them, the driving mechanism 16 includes a servo motor 1601 fixedly arranged on one side of the coating box body 1. The output end of the servo motor 1601 is fixedly provided with a screw rod 1602 rotatably connected to both sides of the coating box body 1. The screw rod 1602 is located in the T-shaped sliding groove 14, penetrates through the T-shaped sliding block 15 and is screwed to the T-shaped sliding block 15. By setting the servo motor 1601, when the servo motor 1601 rotates, it drives the sliding block to move through the screw rod 1602, drives the electric telescopic rod 17, the spray head 18 and the nozzle 19 at the lower end of the sliding block to move, and can coat the surfaces of multiple lithium batteries in the placement holes 13, so that the thickness of the coating material on the surfaces of multiple lithium batteries in the placement holes 13 is consistent, improving work efficiency.

[0034] The lower end of the T-shaped sliding block 15 is fixedly provided with an electric telescopic rod 17. The lower end of the electric telescopic rod 17 is fixedly provided with a spray head 18. The lower end of the spray head 18 is fixedly provided with a plurality of nozzles 19. By setting the electric telescopic rod 17, the spray head 18 and the nozzles 19 can be close to the surface of the placement plate 12, which is convenient for coating the surfaces of multiple lithium batteries in the placement holes 13. By setting the spray head 18 and the nozzles 19, the amount of the coating material sprayed by the nozzles 19 can be controlled to be consistent, so that the thickness of the coating material on the surfaces of multiple lithium batteries in the placement holes 13 is uniformly consistent, saving manpower and improving work efficiency. A storage tank 120 is fixedly arranged at the upper end of the coating box body 1. A booster pump 3 is fixedly arranged on one side of the storage tank 120. The output end of the booster pump 3 is provided with an air inlet pipe 31 communicated with the storage tank 120. The upper end of the storage tank 120 is provided with a feed inlet 121. The lower end of the storage tank 120 is fixedly provided with a telescopic material guide pipe 122 that penetrates through the upper end of the coating box body 1 and is communicated with the spray head 18. By setting the booster pump 3, continuously pressurizing the spray head 18 can enable the coating material to be sprayed on the surface of the lithium battery through the nozzle 19, and can better coat the surface of the lithium battery.

[0035] A vacuum pump 5 is fixedly arranged on one side of the coating box body 1 through a fixing plate. The output end of the vacuum pump 5 is fixedly provided with an air suction pipe 51 communicated with one side of the coating box body 1. A switch valve 52 is installed on the air suction pipe 51. By setting the vacuum pump 5 and the air suction pipe 51, a vacuum can be formed inside the coating box body 1, and the coating effect can be better.

[0036] Such as Figures 1-6As shown in the figure, the principle of the lithium battery material coating equipment provided in this embodiment is as follows: Open the transparent sealing door 11, turn the handle 61. When the placement plate 12 is in the vertical position, push the cross bar 6101, and the cross bar 6101 is inserted into the hole slot 7 to fix the placement plate 12. Push the push plate 41 to compress the compression spring 4. Place the lithium battery to be coated in the placement hole 13. The compression spring 4 rebounds under the force and acts on the push plate 41 to fix the lithium battery. After all the lithium batteries are placed, turn the handle 61 to make the placement plate 12 in the horizontal position. The cross bar 6101 is inserted into the hole slot 7 to fix the placement plate 12. Close the transparent sealing door 11, start the vacuum pump 5, extract the air inside the coating chamber body 1 to form a vacuum, then close the vacuum pump 5. Start the servo motor 1601, and move the sliding block to the side of the placement plate 12 through the screw rod 1602. Then close the servo motor 1601, start the electric telescopic rod 17 to drive the spray head 18 and the nozzle 19 to a suitable position close to the placement plate 12. Put the coating material in the storage tank 120, start the booster pump 3, and the coating material is evenly sprayed out through the nozzle 19. Start the servo motor 1601 to coat the surfaces of multiple lithium batteries in the placement holes 13 back and forth, and the observation can be carried out through the transparent sealing door 11.

[0037] As used in the specification and claims, certain terms are used to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in names as a way to distinguish components, but use the difference in functions of components as the criterion for distinction. As used throughout the specification and claims, the term "comprising" is an open-ended term and should be interpreted as "including but not limited to". "Substantially" means within an acceptable error range. Those skilled in the art can solve technical problems within a certain error range and basically achieve the technical effect.

[0038] It should be noted that the term "including", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that a commodity or system including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such commodity or system. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of another identical element in the commodity or system including the element.

[0039] The foregoing description illustrates and describes several preferred embodiments of the present utility model. However, as previously mentioned, it should be understood that the present utility model is not limited to the forms disclosed herein, should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the above teachings or the techniques or knowledge in related fields. Any alterations and changes made by those skilled in the art that do not depart from the spirit and scope of the present utility model shall fall within the protection scope of the appended claims of the present utility model.

Claims

1. A lithium battery material coating device, comprising a coating box body (1) and a transparent sealing door (11) hinged to one side of the coating box body (1), characterized in that: A placement plate (12) is provided inside the coating box body (1), and a plurality of placement holes (13) are provided on the placement plate (12); a T-shaped sliding groove (14) is provided at the upper end of the coating box body (1), and a T-shaped sliding block (15) is slidably provided in the T-shaped sliding groove (14); a driving mechanism (16) for driving the T-shaped sliding block (15) to move is provided on one side of the coating box body (1); an electric telescopic rod (17) is fixedly provided at the lower end of the T-shaped sliding block (15), a nozzle (18) is fixedly provided at the lower end of the electric telescopic rod (17), and a plurality of nozzles (19) are fixedly provided at the lower end of the nozzle (18); A material storage box (120) is fixedly arranged at the upper end of the coating box body (1), a material feed port (121) is opened at the upper end of the material storage box (120), and a telescopic material guide tube (122) is fixedly arranged at the lower end of the material storage box (120), which passes through the upper end of the coating box body (1) and is connected to the nozzle (18).

2. A lithium battery material coating device according to claim 1, characterized in that: The driving mechanism (16) includes a servo motor (1601) fixedly arranged on one side of the coating box body (1), and the output end of the servo motor (1601) is fixedly provided with a screw rod (1602) rotatably connected to both sides of the coating box body (1), and the screw rod (1602) is located in the T-shaped sliding groove (14), passes through the T-shaped sliding block (15) and is screwed to the T-shaped sliding block (15).

3. The lithium battery material coating device according to claim 1, characterized in that: A booster pump (3) is fixedly arranged on one side of the material storage box (120), and an air intake pipe (31) connected to the material storage box (120) is arranged at the output end of the booster pump (3).

4. The lithium battery material coating device according to claim 1, characterized in that: A plurality of compression springs (4) are fixedly arranged at equal intervals on one side of the inner wall of the placement hole (13), and a push plate (41) is fixedly connected to the other ends of the plurality of compression springs (4).

5. The lithium battery material coating device according to claim 1, characterized in that: A vacuum pump (5) is fixedly arranged on one side of the coating box body (1) via a fixing plate, and an air suction pipe (51) connected to one side of the coating box body (1) is fixedly arranged at the output end of the vacuum pump (5), and a switch valve (52) is installed on the air suction pipe (51).

6. The lithium battery material coating device according to claim 1, characterized in that: A rotating rod (6) is fixedly provided on the placement plate (12) and is rotatably connected to both sides of the coating box body (1); one end of the rotating rod (6) passes through one side of the coating box body (1) and is fixedly connected to a handle (61).

7. The lithium battery material coating device according to claim 6, characterized in that: The handle (61) comprises a horizontal bar (6101) and a vertical bar (6102), wherein the horizontal bar (6101) and the vertical bar (6102) are plugged into each other, and a plurality of holes (7) are provided on one side of the coating box body (1) close to the handle (61), and one end of the horizontal bar (6101) fits in with the hole (7).

Citation Information

Patent Citations

  • Film coating equipment for battery material

    CN213835516U