Closed ink scraper on printing machine
A closed printing machine technology, applied to printing machines, general parts of printing machinery, printing, etc., can solve problems such as insufficient ink supply, ink leakage, insufficient transfer, etc., to achieve the effect of eliminating the spread
Pending Publication Date: 2022-05-27
WEINAN SANLI PRINTING MACHINERY
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Problems solved by technology
The open scraper is prone to ink leakage, especially the solvent-based ink will emit smell, and the smell of ink will pollute the surrounding environment
Furthermore, when the open scraper is printing at high speed, the ink supply is insufficient and the transfer is insufficient, which seriously affects the printing quality.
Method used
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[0019] The enclosed ink scraper on a printing press of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:
[0020] figure 1 It is a schematic structural diagram of a closed ink scraper on a printing machine of the present invention, figure 2 Yes figure 1 top view, image 3 Yes figure 2 bottom view, Figure 4 Yes figure 1 The enlarged view at A, Figure 5 Yes Figure 4 Another structure diagram of . In the figure, the closed ink scraper on the printing press includes a scraper box 5. The upper and lower sides of the scraper box 5 are respectively provided with planes for fixing the scraper frame 2. The scraper frame 2 fixes the scraper 11 on the scraper through the fastening screws 3. On the box body 5, the cutting surface of the blade of the scraper and the contact point with the plate roll has a specific angle, and the angle of the scraper is adjusted according to the diameter of the plate ro...
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The invention belongs to the technical field of printing machinery, and particularly relates to a closed ink scraper on a printing machine, which comprises a scraper box body, scraper frames are respectively arranged at the upper part and the lower part of the scraper box body, a scraper which forms a specific angle with the tangent plane of a plate roller is arranged on the scraper frames, and the angle of the scraper frames relative to the plate roller is adjustable. An upper ink cavity and a lower ink cavity are arranged in the scraper box, arranged in the circumferential direction of the printing roller and communicated through a pipeline, sealing plates are arranged on the front side face and the rear side face of the scraper box, the upper ink cavity and the lower ink cavity are connected with the ink box through an ink inlet pipe and an ink outlet pipe respectively, and a pump is arranged in the ink box. According to the closed scraper, ink is injected into the ink cavity through the pump in the ink box, and the problems of insufficient ink supply and insufficient transfer in the high-speed printing process are solved. And meanwhile, the closed scraper can completely seal the printing ink, so that the emission of the smell of the printing ink is avoided, and the surrounding production environment is protected from being polluted.
Description
technical field [0001] The invention belongs to the technical field of printing machinery, and in particular relates to a closed ink scraper on a printing machine. Background technique [0002] Due to its unique closed structure, the closed squeegee can effectively save printing ink or paint, especially suitable for volatile solvent units, saving solvents. Compared with the open squeegee system, it can greatly reduce the phenomenon of flying ink, effectively reducing the defective rate, improve the equipment environment. The open scraper is prone to ink leakage, especially the solvent-based ink will emit a smell, and the smell of the ink will pollute the surrounding environment. Furthermore, when the open squeegee is used for high-speed printing, the ink supply is insufficient and the transfer is insufficient, which seriously affects the printing quality. SUMMARY OF THE INVENTION [0003] In order to overcome the deficiencies in the prior art, the present invention provi...
Claims
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IPC IPC(8): B41F31/04
CPCB41F31/04B41P2231/00
Inventor 李丁
Owner WEINAN SANLI PRINTING MACHINERY