A screen screen, double printing device, double printing machine and double printing process

Abstract

The invention provides a silk screen printing plate. A screen frame comprises an inner screen frame, a middle screen frame and an outer screen frame. A sliding groove is formed in the middle screen frame. A sliding rail matched with the inner screen frame is formed on the inner screen frame. The middle screen frame is provided with a blocking frame. A plurality of springs are evenly distributed between the inner screen frame and the blocking frame. An adjusting bolt is arranged on the outer screen frame in a matched mode. A silk screen is provided with an adjusting aligning point. An adjusting aligning scale is arranged on the outer screen frame. Accordingly, by means of the silk screen printing plate, silk screen patterns can be adjusted and aligned effectively, high-quality double-printing is achieved, obvious deformation of the silk screen can be avoided effectively, and the printing quality of the silk screen patterns is guaranteed. The invention further provides a double-printing device, the double-station double-printing operation can be achieved, the silk screen printing plate is excellent in effect, and the double-printing efficiency and quality are improved remarkably. The invention further provides a double-printing machine which has the excellent effects of the silk screen printing plate and the double-printing device, and the double-printing efficiency and quality are improved remarkably. The invention further provides a double-printing process. The process is concise and clear and high in double-printing efficiency and quality.

Description

technical field [0001] The invention relates to the field of screen printing devices and techniques, in particular to a screen screen capable of realizing double printing, a double printing device, a double printing machine and a double printing process. Background technique [0002] Screen printing device and technology are well known in the world, such as Chinese invention patent CN03104191.4 discloses a kind of screen printing method, the specified pattern is drawn out from the extracting part and wound on the winding part by screen printing at a certain distance. On the continuous sheet-like printed sheet, and screen print other graphics corresponding to the graphics so that the printing area of ​​the specified graphics overlaps with the printing area of ​​the other graphics, with: the squeegee is opposite The process of performing the first screen printing by sliding the screen printing plate of the predetermined pattern provided on the printed sheet along the length di...

AI Technical Summary

Problems solved by technology

In the actual printing process of the aforementioned inventions, the screen position of the screen screen is not easy to adjust, especially in the double printing process, two screen screens with different screen patterns are not easy to adjust, so that the screen pattern Correspondingly, intelligent alignment equipment with complex mechanism, cumbersome operation and high cost is usually used for pattern correspondence, and the cost of the enterprise remains high; and the ink scraping mechanism exerts pressure on the upper surface of the screen to deform the screen. Make up the gap between the screen and the substrate, make the lower surface of the screen contact with the substrate, and then realize printing, but at this time, the contact with the substrate is completely dependent on the deformation of the screen itself, and the deformation of the screen is very significant. It will cause serious deformation of the screen pattern, resulting in a great deviation from the preset pattern, and it is difficult to guarantee the printing quality of the screen pattern; and the rationality of the double printing device is insufficient, the mobility and matching in the printing process are poor, and the printing efficiency is difficult. Improve; Correspondingly, there are also defects in the supporting printing process, which seriously affects the printing efficiency and quality, and the practicability is poor

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