Coating mold
A mold and coating technology, which is applied in coatings and devices for coating liquid on the surface, etc., can solve the problems that the upper material layer cannot be completely covered, the thickness of the coating film is difficult to control, and the product performance is reduced.
Active Publication Date: 2019-01-04
IND TECH RES INST
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Problems solved by technology
However, there are still problems that need to be improved in the current technology
For example, gravure printing can only be used for full-width coating, and cannot achieve edge control of the substrate.
Dip coating can only be coated on both sides at the same time, it cannot be coated on only one side, and it cannot achieve edge blanking control, and it is difficult to control the thickness of the coating film
In general slit coating, the upper material layer cannot completely cover the lower material layer
[0003] When a structure that cannot meet the requirements is applied to the product (such as the structure of the plate of the battery), the performance of the product will be reduced, and there may even be safety concerns in use
Method used
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[0044] In the present invention, for the sake of brevity, the same components will be represented by the same symbols.
[0045] Please refer to figure 1 and figure 2 , which represents a schematic diagram of a coating method according to an embodiment. A material layer 104 is disposed on the flexible substrate 102 and can move on a roller 106 (or rubberized wheel) of the coating machine. The coating die 108 may include grooves 110 and slits 112 communicating with each other. The paint 114 pushed into the groove 110 by the pump flows toward the slit 112 and is discharged from the slit 112 to be coated on the material layer 104 on the substrate 102 to form a coating 116 .
[0046] In the embodiment, the slit 112 of the coating mold 108 is designed according to the material layer 104 disposed on the substrate 102, thereby uniformly discharging the coating 114 on the material layer 104 on the substrate 102, and making the formed coating The coating 116 can cover all the upper...
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The invention provides a painting cloth mode used to discharge the silt of painting , and the overall width value of the silt (Q) comprises: an intermediate width value (A), a left width value (Y1), and a right width value (Y2) corresponding to the total width value of the upper surface of the material layer, the width of the left portion of the upper left end point of the material layer and the right portion width value beyond the upper right end point of the material layer. The mode satisfies the relationship of Q=A+Y1+Y2.
Description
technical field [0001] The invention relates to a coating mold, and in particular to a coating mold design for forming a film layer structure. Background technique [0002] In various technical fields, a multilayer structure in which one (upper) material layer completely covers the upper surface and side surfaces of another (lower) material layer is often required. However, the current technology still has problems that need to be improved. For example, gravure printing can only be used for full-width coating and cannot achieve edge control of the substrate. Dip coating can only be coated on both sides at the same time, and it cannot be coated on only one side, nor can it achieve edge blanking control, and it is difficult to control the thickness of the coating film. In general slot coating, the upper material layer cannot completely cover the lower material layer. [0003] When a structure that cannot meet the requirements is applied to a product (such as a battery plate...
Claims
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IPC IPC(8): B05C5/00
CPCB05C5/005
Inventor 吴平耀朱文彬刘达人曾诗存徐文月
Owner IND TECH RES INST