CN216757020U - Bottom coating pole piece coating device - Google Patents
Bottom coating pole piece coating device Download PDFInfo
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- CN216757020U CN216757020U CN202122187331.9U CN202122187331U CN216757020U CN 216757020 U CN216757020 U CN 216757020U CN 202122187331 U CN202122187331 U CN 202122187331U CN 216757020 U CN216757020 U CN 216757020U
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- pole piece
- coating
- assembly
- priming
- pole
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Abstract
The utility model relates to a priming coat pole piece coating device which comprises a pole roll unwinding assembly (1), a pole piece passing roller assembly (2), a laser module moving assembly (3) and a coating assembly (4), wherein a priming coat pole piece (5) is unwound from the pole roll unwinding assembly (1), the pole piece passing roller assembly (2) supports the priming coat pole piece (5), and the laser module moving assembly (3) is arranged between the pole roll unwinding assembly (1) and the coating assembly (4). Compared with the prior art, the utility model can improve the coating thickness of the pole piece, improve the monomer capacity of the pole piece, reduce the baking cracking risk of the pole piece and reduce the powder falling risk of the pole piece in the rolling process.
Description
Technical Field
The utility model relates to the technical field of battery production, in particular to a coating device for a bottom-coating pole piece.
Background
The foil coating is used as a key process for manufacturing the battery pole piece, the battery pole piece is manufactured mainly by foil bottom coating, primary coating cloth baking, primary coating cloth secondary coating and secondary coating baking, and as the secondary coating pole piece surface is not processed, if the secondary coating thickness is thicker, the coating cohesiveness is weakened, so that the coating consistency is poor; in addition, the pole piece is easy to crack in the coating and baking process; secondly, the powder is easy to fall off and stick to a roller in the rolling process from the coating to the next procedure, and the capacity and the production efficiency of the pole piece monomer are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a coating device for a bottom coating pole piece, which can increase the adhesion of secondary coating.
The purpose of the utility model can be realized by the following technical scheme: the utility model provides a first coat pole piece coating device, includes that the pole is rolled up and is unreeled subassembly, pole piece cross roller assembly, laser module removes subassembly and coating subassembly, and the first coat pole piece unreels from the pole is rolled up and unreels the subassembly, and the pole piece crosses roller assembly and supports the first coat pole piece, laser module remove the subassembly setting and unreel the subassembly and coat between the subassembly at the pole.
Preferably, the laser module moving assembly is arranged above the priming coating pole piece and is used for scoring the surface of the priming coating pole piece.
Preferably, the scores are arranged in parallel and at equal intervals, the depth is 0.05mm, the width is 1mm, and the gap is 5 mm.
Further preferably, the moving direction of the laser module in the laser module moving assembly is perpendicular to the moving direction of the base coating pole piece.
Preferably, the priming coating pole piece coating device further comprises a CCD feedback assembly.
Further preferably, the CCD feedback assembly includes a CCD light compensation plate and a CCD lens.
Preferably, the CCD light supplementing plate is arranged below the bottom coating pole piece, and the CCD lens is arranged above the bottom coating pole piece.
Further preferably, the CCD feedback assembly is arranged between the pole roll unwinding assembly and the laser module moving assembly.
Preferably, the pole roll unwinding assembly is controlled by a servo.
Preferably, the priming coat pole piece coating device further comprises an X-axis servo moving assembly, and the X-axis servo moving assembly adjusts the left and right positions of the pole roll unwinding assembly.
Preferably, the pole piece roller passing assembly comprises a plurality of pole piece roller passing assemblies arranged in parallel.
Preferably, the coating assembly is used for coating the pole piece for the second time, and the coating thickness can reach 300um at most.
Compared with the prior art, the utility model has the following advantages:
1. the utility model can improve the coating thickness of the pole piece, improve the monomer capacity of the pole piece, reduce the baking cracking risk of the pole piece, reduce the powder falling risk of the pole piece in the rolling process and improve the production efficiency of the next procedure;
2. according to the utility model, the laser module moving assembly is used for carrying out gap nicking on the bottom-coated pole piece, so that the roughness of the bottom coating is increased, the cohesiveness of the secondary coating is increased, the coating thickness of the pole piece is effectively improved, and the monomer capacity of the pole piece is further effectively improved;
3. according to the utility model, the gap nicking is carried out on the bottom-coated pole piece through the laser module moving assembly, so that the stability of secondary coating can be ensured, and the risk of baking and cracking of the pole piece and the risk of powder falling of the pole piece in the rolling process are reduced;
4. the utility model adopts a servo unreeling and pole roll position adjusting mechanism to ensure the consistency of the whole unreeling speed and position;
5. according to the utility model, the CCD feedback assembly and the laser module linkage mechanism are adopted, so that the scoring uniformity of the bottom-coating pole piece is ensured;
6. the device can increase the coating stability, the roller is not easy to stick in the rolling process, the cleaning times of the roller are reduced, and the rolling production efficiency can be effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of a prime coating pole piece coating apparatus of the present invention;
in the figure: the method comprises the following steps of 1-pole roll unreeling assembly, 2-pole piece passing roller assembly, 3-laser module moving assembly, 4-coating assembly, 5-base coating pole piece, 6-CCD feedback assembly, 61-CCD light supplement plate, 62-CCD lens, 7-X axis servo moving assembly, 8-nick, 9-secondary coating area and 10-pole piece edge area.
Detailed Description
The utility model is described in detail below with reference to the figures and the specific embodiments. The following examples are carried out on the premise of the technical scheme of the utility model, and detailed embodiments and specific operation processes are given, but the scope of the utility model is not limited to the following examples.
Example 1
A first-coating pole piece coating device is shown in figure 1 and comprises a pole roll unwinding assembly 1, a pole piece passing roller assembly 2, a laser module moving assembly 3, a coating assembly 4, a CCD feedback assembly 6 and an X-axis servo moving assembly 7, wherein a first-coating pole piece 5 subjected to foil bottom coating and baking is drawn out of the pole roll unwinding assembly 1 and sequentially passes through the CCD feedback assembly 6, the laser module moving assembly 3 and the coating assembly 4 under the support of the pole piece passing roller assembly 2 to be coated for the second time.
Wherein, the pole roll unreeling component 1 is arranged on the X-axis servo moving component 7, the left and right positions of the pole roll unreeling component 1 are adjusted by the X-axis servo moving component 7, and the pole roll unreeling component 1 is controlled by servo control to control the pole roll unreeling speed. The CCD feedback assembly 6 comprises a CCD light supplementing plate 61 and a CCD lens 62, the position of a bottom coating area can be detected in a linkage mode, and the X-axis servo moving assembly 7 is fed back to complete the adjustment of the left position and the right position of the pole roll unwinding assembly 1.
The laser module moving assembly 3 is used for scoring the surface of the base coating pole piece 5, the depth of a formed score 8 is 0.05mm, the width is 1mm, the gap is 5mm, then the coating assembly 4 carries out secondary coating on the scored base coating pole piece 5, a secondary coating area 9 is formed on the surface of the scored base coating pole piece, and the coating thickness of the secondary coating area 9 can reach 300um (single surface) to the maximum. In particular, the pole piece edge regions 10 on the left and right sides of the prime-coated pole piece 5 are not subjected to prime coating and secondary coating, so that the consistency of the thickness of the pole piece can be improved, and the monomer capacity of the assembled battery is improved.
Example 2
A CCD feedback assembly 6 is also arranged at a secondary coating area 9 of the bottom coating pole piece coating device, and the rest of the structure is the same as that of the embodiment 1.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The utility model provides a prime coat pole piece coating device, its characterized in that crosses roller set (2), laser module removal subassembly (3) and coating unit (4) including utmost point book unreeling subassembly (1), pole piece, and prime coat pole piece (5) unreel subassembly (1) from utmost point book unreeling subassembly (1), and the pole piece crosses roller set (2) and supports prime coat pole piece (5), laser module removal subassembly (3) set up and unreel between subassembly (1) and coating unit (4) at utmost point book.
2. The priming pole piece coating device according to claim 1, wherein the laser module moving assembly (3) is arranged above the priming pole piece (5) and is used for scoring the surface of the priming pole piece (5).
3. The priming pole piece coating device according to claim 2, wherein the moving direction of the laser module in the laser module moving assembly (3) is perpendicular to the moving direction of the priming pole piece (5).
4. The priming electrode sheet coating unit of claim 1, wherein said priming electrode sheet coating unit further comprises a CCD feedback assembly (6).
5. The priming pole piece coater of claim 4, wherein the CCD feedback assembly (6) comprises a CCD light complementing plate (61) and a CCD lens (62).
6. The priming electrode sheet coating device according to claim 5, characterized in that the CCD light compensating plate (61) is arranged below the priming electrode sheet (5), and the CCD lens (62) is arranged above the priming electrode sheet (5).
7. The priming pole piece coating device according to claim 4, wherein the CCD feedback assembly (6) is arranged between the pole roll unwinding assembly (1) and the laser module moving assembly (3).
8. The bottom-coating pole piece coating device according to claim 1, wherein the pole roll unwinding assembly (1) is servo-controlled.
9. The bottom-coating pole piece coating device according to claim 1, further comprising an X-axis servo moving assembly (7), wherein the X-axis servo moving assembly (7) adjusts the position of the pole roll unwinding assembly (1).
10. The priming pole piece coating apparatus of claim 1, wherein said pole piece pass-through roller assembly (2) comprises a plurality of pole piece pass-through rollers arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122187331.9U CN216757020U (en) | 2021-09-10 | 2021-09-10 | Bottom coating pole piece coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122187331.9U CN216757020U (en) | 2021-09-10 | 2021-09-10 | Bottom coating pole piece coating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216757020U true CN216757020U (en) | 2022-06-17 |
Family
ID=81954283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122187331.9U Active CN216757020U (en) | 2021-09-10 | 2021-09-10 | Bottom coating pole piece coating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216757020U (en) |
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2021
- 2021-09-10 CN CN202122187331.9U patent/CN216757020U/en active Active
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