Composite roller device for coating equipment

By adjusting the gap between the rollers using the clamping roller assembly and stabilizing the electrode substrate using the drive cylinder, the problem of electrode vibration was solved and the coating quality was improved.

CN121004101APending Publication Date: 2025-11-25HUIZHOU PENGJIN INTELLIGENT EQUIPMENT CO LTD
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Patent Information

Application Number
CN202510985047.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-17
Publication Date
2025-11-25

AI Technical Summary

Technical Problem

In battery manufacturing, when coating both sides of the electrode, the electrode may vibrate due to the undried paste when coating the other side, affecting the coating quality.

Method used

By using a clamping roller assembly and adjusting the spacing of the roller assembly, the electrode substrate is tightened and loosened using a drive cylinder, thus stabilizing the electrode and preventing vibration.

Benefits of technology

It improves coating quality, ensures the stability of the coating process, and avoids the impact of electrode vibration on the coating density.

✦ Generated by Eureka AI based on patent content.

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Abstract

The composite roller device for the coating equipment comprises the roller passing assembly and the clamping wheel assemblies arranged at the two ends of the roller passing assembly, the clamping wheel assemblies achieve the clamping action on a pole piece base material by adjusting the distance between the clamping wheel assemblies and the roller passing assembly, shaking of the pole piece base material is stabilized, and the coating efficiency is improved. The composite roller device for the coating equipment has the advantages of being high in stability and capable of effectively avoiding shaking and improving the coating quality, clamping of a pole piece base material is achieved through the clamping wheel assembly in the design process, the shaking problem occurring when a pole piece cannot be directly supported by a roller at some positions of a coating machine is perfectly solved, and the coating efficiency is improved. Therefore, the coating quality of the coating die head is greatly improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of design of double-sided coating equipment for lithium battery pole pieces, and particularly relates to a composite roller device for coating equipment. BACKGROUND

[0002] In battery production and manufacturing, pole piece coating manufacturing is mostly performed by using rollers for tensioning. In some special positions, such as double-sided coating, since one side of the pole piece is coated with slurry, the pole piece cannot be supported by a back roller when the other side is coated under the condition that the slurry is not dry. Figure 1 When the extrusion die is used to coat the second side, the pole piece entering the oven section is inevitably shaken under the action of the air field, thereby affecting the coating quality of the second side and the coating surface density. Therefore, further improvement is needed. SUMMARY

[0003] The present application aims to provide a composite roller device for coating equipment, which has high stability, can effectively avoid shaking, and improve coating quality.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0005] The composite roller device for coating equipment comprises a roller assembly and a clamping wheel assembly arranged at both ends of the roller assembly,

[0006] The clamping wheel assembly realizes the tightening action on the pole piece substrate by adjusting the distance from the roller assembly, thereby stabilizing the shaking of the pole piece substrate.

[0007] Further, the roller assembly comprises a roller body and first and second shaft bodies arranged at both ends of the roller body.

[0008] Further, the clamping wheel assembly comprises a roller and a roller mounting shaft.

[0009] Further, the roller mounting shaft is fixed with a mounting seat, and the mounting seat is connected with an adjusting assembly for adjusting the distance between the roller and the roller.

[0010] Further, the adjusting assembly comprises a connecting rod connected with the mounting seat, and the connecting rod is connected with a driving cylinder.

[0011] Further, the mounting seat is fixed on the base through a rotating shaft and realizes the tightening and loosening actions under the pushing of the driving cylinder.

[0012] Further, the driving cylinder is fixed on the base through a fixing member.

[0013] Compared with the prior art, the present application has the following advantages:

[0014] The composite roller device for coating equipment provided by this invention has the advantages of strong stability, effective avoidance of vibration and improvement of coating quality. In the design process, the clamping roller assembly is used to clamp the electrode substrate, which perfectly solves the vibration problem that occurs when the electrode cannot be directly supported by rollers in some positions of the coating machine, thereby greatly improving the coating quality of the coating die. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a composite roller device for coating equipment according to the present invention;

[0016] Figure 2 This is another structural schematic diagram of a composite roller device for coating equipment according to the present invention;

[0017] Figure 3 This is a schematic diagram of an embodiment of a composite roller device for coating equipment according to the present invention;

[0018] Figure 4 This is a schematic diagram of another embodiment of the composite roller device for coating equipment according to the present invention;

[0019] Figure 5 This is a schematic diagram of the third embodiment of a composite roller device for coating equipment according to the present invention;

[0020] Figure 6 This is a schematic diagram of the operation of a composite roller device for coating equipment according to the present invention;

[0021] Figure 7 This is another schematic diagram of the operation of a composite roller device for coating equipment according to the present invention. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] like Figures 1-2 As shown, the composite roller device for coating equipment provided in this embodiment includes a roller guide assembly 1 and clamping roller assemblies 2 disposed at both ends of the roller guide assembly 1.

[0024] The clamping roller assembly 2 tightens the electrode substrate 3 by adjusting the distance between itself and the roller assembly 1, thereby stabilizing the vibration of the electrode substrate 3.

[0025] In this embodiment, the roller assembly 1 includes a roller body 4 and a first shaft 5 and a second shaft 6 disposed at both ends of the roller body 4.

[0026] In the embodiment, the wheel clamping assembly 2 comprises a roller 7 and a roller mounting shaft 8.

[0027] The application will be further described in combination with specific use modes, and the embodiment is only used for illustrating an implementation mode, as shown in the drawings, Figures 3-5 The roller mounting shaft 8 is fixed with a mounting seat 9, and the mounting seat 9 is connected with an adjusting assembly 10 for adjusting the distance between the roller 7 and the over roller.

[0028] In the embodiment, the adjusting assembly 10 comprises a connecting rod 11 connected with the mounting seat 9, and the connecting rod 11 is connected with a driving cylinder 12.

[0029] In the embodiment, the mounting seat 9 is fixed on a base 14 through a rotating shaft 13 and realizes the tightening and loosening actions under the pushing of the driving cylinder 12.

[0030] In the embodiment, the driving cylinder 12 is fixed on the base 14 through a fixing piece 15.

[0031] The application is used as follows:

[0032] As shown in the drawings, Figures 6-7 The pole piece substrate 3 is sprayed once through a coating die 100, then is fixed by the application, and after the stable pole piece substrate 3 is coated twice through a coating die 200, enters an oven 300 for drying treatment.

[0033] The composite roller device for the coating equipment has the advantages of strong stability, can effectively avoid shaking and improve the coating quality, and in the design process, the wheel clamping assembly 2 is used to clamp the pole piece substrate 3, perfectly solves the shaking problem when the coating machine cannot directly support the pole piece with the roller in some positions, and greatly improves the coating quality of the coating die.

[0034] The basic principle, main features and advantages of the application are shown and described above. It should be understood by those skilled in the art that the application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the application and are not used to limit the application. Without departing from the spirit and scope of the application, various changes and improvements can be made to the application, and these changes and improvements all fall within the scope of the claimed application. The scope of protection of the application is defined by the appended claims and their equivalents.

Claims

1. A compound roller device for coating equipment, characterized in that: it comprises a passing roller assembly and a clamping wheel assembly arranged at both ends of the passing roller assembly, and the clamping wheel assembly realizes the clamping action of the pole piece substrate by adjusting the distance with the passing roller assembly, so as to stabilize the shaking of the pole piece substrate.

2. The compound roller device for coating equipment according to claim 1, characterized in that: the passing roller assembly comprises a roller body and first and second shaft bodies arranged at both ends of the roller body.

3. The compound roller device for coating equipment according to claim 1, characterized in that: the clamping wheel assembly comprises a roller and a roller mounting shaft.

4. The compound roller device for coating equipment according to claim 3, characterized in that: the roller mounting shaft is fixed with a mounting seat, and the mounting seat is connected with an adjusting assembly for adjusting the distance between the roller and the passing roller.

5. The compound roller device for coating equipment according to claim 4, characterized in that: the adjusting assembly comprises a connecting rod connected with the mounting seat, and the connecting rod is connected with a driving cylinder.

6. The compound roller device for coating equipment according to claim 4, characterized in that: the mounting seat is fixed on a base through a rotating shaft and realizes the clamping and loosening action under the pushing of the driving cylinder.

7. The compound roller device for coating equipment according to claim 5 or 6, characterized in that: the driving cylinder is fixed on the base through a fixing piece. ​ ​ ​ ​ ​ ​ ​ ​