A coating method and device
A coating device and coating technology, applied in the direction of electrode current collector coating, structural parts, electrical components, etc., can solve problems such as uneven coating, and achieve the effect of ensuring product yield
Active Publication Date: 2020-05-26
山西能际智能科技有限责任公司
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Problems solved by technology
[0004] In order to overcome the technical problem of uneven coating of existing coating devices, the present invention provides a coating method and device
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[0023] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and implementation examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0024] Please also refer to figure 1 and figure 2 , The first embodiment of the present invention provides a coating device 1 for coating a substrate 10 , which includes a coating assembly 100 , a conveying assembly 200 , a pair of clamping assemblies 300 , and a drying mechanism 400 . The coating assembly 100 is used for coating the substrate 10 . The conveying assembly 200 is used to convey the substrate 10 at a constant speed during the coating process. The pair of clamping assemblies 300 are disposed between the coating assembly 100 and the drying mechanism 400, and are arr...
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Abstract
The invention relates to a coating method and device. The coating device comprises a pair of clamping assemblies, a coating assembly and a drying mechanism, wherein the pair of the clamping assemblies are arranged between the coating assembly and the drying mechanism, are symmetrically arranged at two sides of a base material in a direction vertical to a base material conveying direction, and are used for supporting the base material; the coating assembly is used for coating the base material; the drying mechanism is used for carrying out drying treatment on the coated base material. The coating method comprises the following steps: arranging the base material in a penetrating way between the clamping assemblies which are symmetrically arranged at two sides of the base material in the direction vertical to the base material conveying direction; conveying the base material and coating the base material. According to the coating device, the one pair of clamping assemblies are arranged; the one pair of clamping assemblies are symmetrically arranged at two sides of the base material in the direction vertical to the base material conveying direction, so that the base plate is tensioned and flattened; a phenomenon that coating is not uniform, caused by jittering, folding or twisting deformation and the like, can be effectively avoided, so that the yield of products is improved.
Description
【Technical field】 [0001] The invention relates to the field of batteries, in particular to a method and device for coating pole pieces. 【Background technique】 [0002] Lithium-ion batteries have the advantages of high working voltage, long cycle life, high energy density, small size, light weight, and low pollution. The field has been widely developed and applied. [0003] At present, the preparation of lithium-ion batteries includes processes such as pole piece coating, packaging, formation, shaping, and degassing. However, during the coating process of the pole piece, due to the influence of the substrate transmission, the wind force of the oven and the insufficient support force at the coating site during actual production, the substrate will vibrate and cause wrinkles or distortions, etc., resulting in poor coating on the second side. Uniformity, thereby reducing the production yield and increasing the production cost. 【Content of invention】 [0004] In order to ove...
Claims
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IPC IPC(8): H01M4/04H01M4/139H01M10/0525
CPCH01M4/0404H01M4/139H01M10/0525Y02E60/10
Inventor 蒲万锦向勇彭晓丽贺永云
Owner 山西能际智能科技有限责任公司