Water and ink co-feeding device of commercial printing machine

A printing press and ink technology, applied in printing presses, rotary printing presses, offset rotary printing presses, etc., can solve problems such as the inability to accurately control the water supply and affect the printing quality, achieve bright colors, improve the quality of finished products, and reduce effect of water

Pending Publication Date: 2021-04-06
GOSS GRAPHIC PRINTING SYST CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantage of this ink supply method is that the amount of water supply cannot be precisely controlled, which affects the printing quality.

Method used

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  • Water and ink co-feeding device of commercial printing machine
  • Water and ink co-feeding device of commercial printing machine
  • Water and ink co-feeding device of commercial printing machine

Examples

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with accompanying drawing.

[0037] see Figure 2 to Figure 9 , the water and ink of the commercial printing machine of the present invention co-loads the device, comprises the rubber cylinder 100, the printing plate cylinder 200, the string ink roller 300, the string water roller 500 that straddle between the two side wallboards of the printing press by the bearing seat, also Including the ink form roller 400 matched with the ink roller 300, the pressure adjustment mechanism between the ink form roller and the ink roller, the clutch mechanism between the ink form roller and the plate cylinder, the pressure adjustment mechanism between the ink form roller and the plate cylinder, and the ink form roller 500. The damping roller 600, the damping roller and the stringing roller pressure adjustment mechanism, the damping roller and the printing plate cylinder clutch mechanism, the damping roller and the print...

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PUM

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Abstract

The invention discloses a water and ink co-feeding device of a commercial printing machine. The water and ink co-feeding device comprises a rubber roller, a plate cylinder, an ink vibrator and a dampening vibrator which are bridged between wallboards at the two sides of the printing machine; the water and ink co-feeding device further comprises an inking roller matched with the ink vibrator, an inking roller and ink vibrator pressure adjusting mechanism, an inking roller and plate cylinder clutch mechanism, an inking roller and plate cylinder pressure adjusting mechanism, a form dampening roller matched with the dampening vibrator, a form dampening roller and dampening vibrator pressure adjusting mechanism, a form dampening roller and plate cylinder clutch mechanism, a form dampening roller and plate cylinder pressure adjusting mechanism, a water and ink co-feeding roller, a water and ink co-feeding roller and inking roller pressure adjusting mechanism and a water and ink co-feeding roller and form dampening roller pressure adjusting mechanism; and the water and ink co-feeding roller is arranged between the form dampening roller and the inking roller and is simultaneously engaged and disengaged with the inking roller and the form dampening roller through the water and ink co-feeding roller clutch mechanism. According to the water and ink co-feeding device, the printing color can be brighter, and the quality of a finished product printed on paper with poor water absorption is greatly improved.

Description

technical field [0001] The invention relates to an ink and water co-laying device for a commercial printing machine. Background technique [0002] At present, printing is realized on a conventional rotary offset printing machine, and water (fountain solution) and ink (ink) are supplied to the printing plate respectively. In this printing method, water is supplied first, and the water is transferred from the stringer roller 500 to the dampening roller 600. , and then transferred from the water roller 600 to the printing plate cylinder 200, forming a layer of water film on the printing plate; then ink is supplied, and the ink is transferred from the inking roller 300 to the ink forming roller 400, and then from the ink forming roller 400 to the printing plate On the cylinder 200; the ink mixes with water on the printing plate and adheres to the pattern of the printing plate, and finally passes to the rubber cylinder 100 to complete the printing (see figure 1 ). The main disa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F7/04B41F7/24B41F7/32
CPCB41F7/04B41F7/24B41F7/32
Inventor 黄荣豪丁健朱建钢
Owner GOSS GRAPHIC PRINTING SYST CHINA
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