Coating die head and coating equipment
A die head and coating technology, which is applied to the surface coating liquid device, coating, etc., can solve the problems of increasing the cost of coating start-up and commissioning, waste of slurry and foil materials, etc., and achieve the goal of avoiding waste and reducing costs Effect
Active Publication Date: 2021-11-16
SHENZHEN MANST TECH CO LTD
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Problems solved by technology
[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defects that the coating equipment in the prior art has a stable period, which causes a lot of waste of slurry and foil, and increases the cost of coating and debugging, thereby providing a coating Die and Coating Equipment
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[0032] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0033] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, ...
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The invention relates to the technical field of coating die heads, and provides a coating die head and coating equipment. The coating die head comprises an upper die head, a lower die head and a gasket arranged between the upper die head and the lower die head, wherein a main slit runner is formed between the upper die head and the lower die head; auxiliary slit runners are arranged on the upper die head or the lower die head, and inlets of the auxiliary slit runners and an inlet of the main slit runner are both communicated with a feeding port of the coating die head; and adjusting mechanisms are arranged on the upper die head or the lower die head and are suitable for adjusting the distance between the outlets of the auxiliary slit runners. According to the coating die head provided by the invention, the auxiliary slit runners and the adjusting mechanisms are arranged, during coating starting debugging, the main slit runner can be blocked firstly, so that slurry entering from the feeding port of the coating die head flows out from the auxiliary slit runners, and the flowing-out slurry cannot be in contact with foil and can be recycled, so that waste is avoided, and the coating starting debugging cost can be reduced.
Description
technical field [0001] The invention relates to the technical field of coating dies, in particular to a coating die and coating equipment. Background technique [0002] At present, extrusion coating technology has been widely used in the lithium battery industry and has become a solid foundation for the development of the lithium battery industry; although the extrusion coating technology is relatively mature, there are still some problems that need to be optimized and improved; [0003] Extrusion coating has a stable period at the beginning of coating, which is affected by the environment, slurry, and the lagging factors of the conveying coating system. This stable time ranges from a few minutes to more than ten minutes. It has a great impact, especially when coating at high speed, it causes a lot of waste of slurry and foil, and increases the cost of coating and debugging. Contents of the invention [0004] Therefore, the technical problem to be solved by the present in...
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Login to View More IPC IPC(8): B05C5/02
CPCB05C5/0254
Inventor 彭建林许玉山
Owner SHENZHEN MANST TECH CO LTD