Method for ink coating of inner wall of small hole and device thereof
A coating device and the technology of the inner wall of the hole, which is applied in the field of ink coating on the inner wall of the small hole and its device, can solve the problems of whitening, affecting the appearance of the product, ink spraying to the inner wall of the small hole, etc.
Inactive Publication Date: 2017-01-25
LENS TECH CHANGSHA
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Problems solved by technology
[0002] With the requirements for process and product quality precision, after opening small holes on the glass, traditional spraying, silk screen printing and other processes cannot spray ink to the inner wall of the small hole, and because glass is a transparent material, the inner wall of the small hole opened if If there is no ink attached, it will look white, which will directly affect the appearance of the product, especially when opening a through hole with a smaller diameter on a thicker glass, this whitening phenomenon will be more serious, so there is an urgent need for a way to solve it this situation
Method used
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Embodiment Construction
[0011] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0012] like figure 1 As shown, a small hole inner wall ink coating device includes a product support base 1, a gas distribution block 2, an air flow regulating valve 3 and a pipeline 4, and the gas distribution block 2 is connected to the air flow regulating valve through the pipeline 4, The pins are connected to the product support base 1, and the annular negative pressure hole 21 on the gas distribution block 2 forms an annular suction airflow to absorb the ink on the surface of the product into the small hole to be processed, so that the ink adheres to the inner wall of the small hole; the product supports The base 1 is used to support the product and connect the gas distribution block 2; the air flow regulating valve 3 connects the negative pressure generating device and the gas distribution block 2 through a pipeline, and acts on controlli...
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Provided is a method for ink coating of an inner wall of a small hole. Ink is positioned on the upper side of a to-be-processed small hole, and the ink is sucked out of the to-be-processed small hole through a negative pressure device arranged below the to-be-processed small hole. The device comprises a product supporting base; at the corresponding position of the to-be-processed small hole of a product, the product supporting base is provided with a negative pressure hole with the diameter not smaller than that of the to-be-processed small hole, and the negative pressure hole is communicated with a negative pressure generating device through a pipe. According to the method, negative pressure is utilized genuinely, so that the ink passes through the to-be-processed small hole, the ink adheres to the inner wall of the to-be-processed small hole, and the problem of how to coat the inner wall of the small hole with the ink, which is difficult to solve in the prior art, is solved in the most simplest mode.
Description
technical field [0001] The invention relates to a method and a device for coating ink on the inner wall of a small hole. Background technique [0002] With the requirements for process and product quality precision, after opening a small hole in the glass, traditional spraying, silk screen and other processes cannot spray ink to the inner wall of the small hole, and because the glass is a transparent material, the inner wall of the small hole opened if If there is no ink attached, it will look white, which will directly affect the appearance of the product, especially for thicker glass with small diameter through holes, this whitening phenomenon will be more serious, so there is an urgent need for a way to solve it This situation. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the invention provides an ink coating method and device for the small hole inner wall with simple processing, high efficiency and uniform ink adhesion. [0004] The...
Claims
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IPC IPC(8): B05D1/00B05C7/04
CPCB05D1/00B05C7/04
Inventor 周群飞饶桥兵彭德智
Owner LENS TECH CHANGSHA