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Multi-color silk screen printing method and equipment

A screen printing, set-type technology, applied in screen printing machines, printing, printing machines and other directions, can solve the problems of difficult to guarantee printing accuracy, low printing production efficiency, increase printing costs, etc., to improve production efficiency and ensure The effect of printing quality and improving yield

Active Publication Date: 2008-01-09
CHINA BANKNOTE PRINTING & MINTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result of this kind of printing, not only the printing production efficiency is low, but also because of multiple overprinting, the printing accuracy is not easy to guarantee, and the yield is also low, which greatly increases the printing cost.

Method used

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  • Multi-color silk screen printing method and equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The set-type multi-color screen printing equipment of this embodiment is a screen printing machine in the form of a rotary screen, as shown in Figure 1, each part in the figure is respectively: the substrate (to be printed) (1), the paper feeding part (2), paper positioning and transmission parts (3) and (4), impression cylinder (5), screen printing plate (6), color collection cylinder (7), color mold cylinder (8), ink delivery device ( 9) and (10), delivery section (11), collected prints (12) and optional drying unit (13).

[0017] Inking device 9, color mold cylinder 8, color collection cylinder 7, screen printing plate 6, impression cylinder 5, paper transfer and positioning parts 4 and 3 are installed adjacent to the middle of the frame in sequence, driven by the transmission mechanism, forming the same group A drive train that is rotated by a power source. The substrate 1 passes through the paper conveying part 2 , the paper positioning and conveying parts 3 and 4...

Embodiment 2

[0021] The screen printing machine of this embodiment is a screen printing machine in the form of a flat screen, and its structure is shown in FIG. 2 . The main difference from Embodiment 1 is that the screen printing plate 6 is a flat screen. In addition, the two inking devices 9 and 10 and the two-color mold cylinder 8 connected thereto are located above the color collecting cylinder 7 instead of on the right side. The paper substrate conveying mechanism adopts the direct conveying type (the same as the existing screen printing machine in the form of flat screen). The process principle of printing and transferring ink is the same as that of the rotary screen printing machine shown in Figure 1, and will not be repeated here.

[0022] In order to further illustrate the sleeve-type multi-color screen printing method of the above embodiment, the following takes the one-time printing process of the two-color pattern shown in FIG. 3 as an example.

[0023] In order to realize the...

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PUM

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Abstract

The invention relates to a method for printing multicolor network and relative printing device, belonging to the printing device. The method comprises following steps: arranging at least two groups of color model rollers around the color-collection roller; individually arranging convex printing form on the surface of color model rollers; when printing, jointing the color model roller and the color-collection roller, and transferring the printing ink with at least two colors to the color-collection printing form on the surface of color-collection roller at one time; and using color-collection roller via network printing form to print the pattern with at least two colors. The invention can complete the joint printing of multicolor actual pattern at one time while it can improve the accuracy, producing efficiency and the rate of finished products, and reduce the producing processes to apply the printing quality.

Description

technical field [0001] The invention relates to a screen printing method, in particular to a set-type multi-color screen printing method, and also relates to corresponding printing equipment for realizing the method, belonging to the technical field of printing. Background technique [0002] According to the applicant's understanding, for a long time, the screen printing equipment has mostly used a scraper method to make the ink on the screen printing plate be printed on the substrate through the screen to print pictures and texts. This printing method can only complete one color printing at a time. For the splicing printing of multi-color solid patterns or lines, the number of printings needs to be determined according to the number of colors (that is, several colors need to be printed several times), and the splicing quality is guaranteed by the overprinting accuracy of the equipment. As a result of this kind of printing, not only the printing production efficiency is low...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41F15/10B41M1/14B41M1/12
Inventor 李根绪马仁选马立项
Owner CHINA BANKNOTE PRINTING & MINTING