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Offset printing press roller

A technology of offset printing machine and printing cylinder, applied in printing machine, rotary printing machine, printing, etc., can solve the problems of stability and printing quality instability, and achieve the effect of improving printing quality and ensuring stability

Inactive Publication Date: 2016-03-30
CHONGQING HONGSHENG PRINTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the smoothness and printing quality of the offset press cylinder in the prior art are not stable

Method used

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  • Offset printing press roller

Examples

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Embodiment Construction

[0015] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0016] figure 1 It is the structural representation of the cylinder of offset press of the present invention; figure 1 As shown, an offset printing cylinder includes a printing cylinder main body 1, two roller pillows 3 for making the printing cylinder main body 1 run at a constant speed, two journals 2 for ensuring the uniform running of the cylinder, and two shaft heads 4, The two roller pillows 3 are respectively located at both ends of the printing cylinder main body 1, the two journals 2 are respectively located at the end of the corresponding roller pillow 3 away from the printing cylinder main body 1, and the two shaft heads 4 are respectively located at the corresponding journals 2 away from the roller pillo...

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Abstract

The invention relates to an offset printing press roller. The offset printing press roller comprises a printing roller body, two cylinder bearers for enabling the printing roller body to operate at an uniform speed, two shaft necks for guaranteeing uniform operation of the roller, and two shaft heads; the two cylinder bearers are respectively positioned at the two ends of the printing roller body; the two shaft necks are respectively positioned at one ends, far from the printing roller body, of the corresponding cylinder bearers; the two shaft heads are respectively positioned at one ends, far from the cylinder bearers, of the corresponding shaft necks; and the printing roller body is wrapped with a gasket for direct transfer printing of printing marks.

Description

technical field [0001] The invention relates to the technical field of printing, in particular to a cylinder of an offset printing machine. Background technique [0002] The offset printing machine is a kind of lithographic printing machine. When printing, the printed image and text are first printed from the printing plate to the rubber cylinder, and then transferred to the paper by the rubber cylinder. Offset printing machines can be divided into sheet-fed offset printing machines and web offset printing machines according to different feeding methods; according to the number of printing colors completed in one pass, they can be divided into single-color, two-color, four-color and multi-color printing machines; The largest paper format can be divided into small offset printing machines, six-fold, four-fold, folio and full-sheet printing machines, and there is also a double-sided printing machine that can print on both sides at the same time with one pass. Sheet-fed offset...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F13/18
CPCB41F13/18
Inventor 蒲晓辉谭成彦
Owner CHONGQING HONGSHENG PRINTING