Intermittent blank coating method and equipment for realizing the method
A coating method and blank technology, applied to the device and coating of the surface coating liquid, can solve the problems of not being able to realize the square blank, reduce the storage capacity of the battery, and affect the performance of the lithium battery, so as to achieve the solution efficiency Restriction, improvement of energy storage capacity, effect of high-speed coating
Active Publication Date: 2017-08-25
SHENZHEN HAONENG TECH
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Problems solved by technology
[0004] The above method of realizing the gap will form a whole blank on the substrate, but cannot realize a regular square blank. In addition, the blank formed by the previous method will cause the slurry to tail, which will affect the performance of the lithium battery. At the same time, due to The large blank area will inevitably reduce the coating area, so that the coating slurry for charging and discharging functions in the unit volume space will be reduced, thereby reducing the storage capacity of the battery
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[0019] In order to describe the technical content, structural features, achieved goals and effects of the present invention in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.
[0020] The most critical idea of the present invention is: the present invention adopts the continuous coating method to coat the slurry on the substrate, and meanwhile, adopts the suction device to suck the place where intermittent blanks need to be made, the present invention effectively improves the coating efficiency, Improved coating quality.
[0021] see figure 1 , the present embodiment intermittent blank coating method, comprises the steps:
[0022] S1: Coating slurry on the substrate by continuous coating;
[0023] S2: Provide a suction device to suck the portion of the base material coated with the slurry that needs to be made into an intermittent blank area.
[0024] It can be seen from the above description that the benefi...
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The invention discloses an intermittent blank coating method, which comprises the following steps: adopting a continuous coating method to coat slurry on a base material; part of the white space. Also disclosed is a device for realizing the above method, including a coating roller, a slurry tank, a doctor blade and a back pressure roller, and also includes a suction device and a passing roller; the passing roller is arranged on one side of the back pressure roller; The suction device is arranged above the passing roller, and the suction device includes a bracket, a driving device arranged on the bracket and a suction pipe arranged on the driving device, the driving device drives the suction pipe to move up and down, and the The upper part of the suction pipe is connected with a vacuum source, and the lower end of the suction pipe is provided with a suction nozzle, and the suction nozzle is adapted to the passing roller. The intermittent blank coating method and the equipment for realizing the method provided by the invention effectively improve the coating efficiency and the coating quality.
Description
technical field [0001] The invention relates to the field of lithium battery manufacturing, in particular to an intermittent blank coating method and equipment for realizing the method. Background technique [0002] Lithium battery coating machine is a common equipment in the production process of lithium batteries. At present, all coating machines implement intermittent coating machines by means of instant isolation coating slurry and substrate. The application number is 201310007555.4, and the name is The patent document for the coating machine of the lithium electronic power battery discloses a coating mechanism, the coating mechanism includes a frame, a side vertical plate installed on the frame, a coating roller fixed on the side vertical plate in parallel, The coating back roller and the servo motor that drives the coating roller and the coating back roller, this is the coating machine that moves the substrate coated on the back roller backwards to separate it from the...
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IPC IPC(8): B05C1/08B05C1/16
Inventor 汪正堂
Owner SHENZHEN HAONENG TECH