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Web press

A web and printing machine technology, applied to printing machines, rotary printing machines, printing, etc., can solve the problems affecting the printing quality of paper, and achieve the effect of avoiding slipping and ensuring printing quality

Inactive Publication Date: 2019-01-22
安徽瀚洋纸品印刷有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When the web is printing, the tension roller is used to adjust the tension of the paper during printing by moving up and down. However, the surface of the tension roller is relatively smooth. When the tension of the paper is high, it is easy to slip on the tension roller and affect the quality of the paper. print quality

Method used

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  • Web press

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Embodiment Construction

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0020] Such as figure 1 As shown, the embodiment of the present invention proposes a web printing machine, which includes a paper feeding part 1, a printing unit 2 and a paper output part 3 arranged sequentially on the main frame;

[0021] The paper feeding part 1 includes a web paper feed roller 101 and a tension roller 102 arranged on the main frame, and the paper of the web roller 101 is connected to the tension roller 102 for conveying the paper to the pri...

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Abstract

The invention provides a web press. The web press comprises a web feeding unit, a printing unit and a wed discharging unit which are sequentially arranged on a main frame, wherein the web feeding unitcomprises a web feeding roller and a tension roller which are mounted on the main frame, and webs on the web feeding roller are connected to the tension roller for being conveyed to the printing unitvia the tension rollers; the tension roller is used for conveying the webs to the printing unit and comprises an outer roller tube which is provided with suction holes and a vacuumizing pipe; both sides of the outer roller tube are provided with molecular vacuum pumps, the rotating blades of the molecular vacuum pumps are fixed onto the outer roller tube, and the fixed blades of the molecular vacuum pumps are arranged on a fixing shaft coaxial to the outer roller tube; the printing unit comprises a printing roller for printing the webs; the web discharging unit is used for collecting the websfrom the printing unit and conveying the webs out to a web discharging conveying belt. The web press can avoid skidding of the webs and ensure the web printing quality.

Description

technical field [0001] The invention relates to the technical field of printing machines, in particular to a web printing machine. Background technique [0002] Printed matter is a variety of printed products, and it is a general term for various finished products produced by printing technology. In daily life, people come into contact with newspapers, books and magazines, maps, posters, advertisements, envelopes, letterheads, portfolios, trademarks, labels, business cards, invitations, banknotes, greeting cards, desk calendars, wall calendars, picture albums, various cards , Packaging boxes, gift boxes, circuit boards, etc., everything that one expects to find, all belong to the category of printed matter. Printed matter is almost full of people's clothing, food, housing, and transportation, and it is very closely related to people's lives. [0003] Gravure printing products have the advantages of thick ink layer, rich layers, strong three-dimensional effect and good prin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F13/02
CPCB41F13/02
Inventor 李晓梅
Owner 安徽瀚洋纸品印刷有限公司
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