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Method for conveying paper sheets by printing technique machine and apparatus for implementing the same method

A printing technology, sheet technology, applied in general parts of printing machinery, printing presses, rotary printing presses, etc., can solve problems such as production decline

Inactive Publication Date: 2005-02-09
HEIDELBERGER DRUCKMASCHINEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The sheet transport can be carried out at low speed, but this will reduce the output of printing technology machines

Method used

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  • Method for conveying paper sheets by printing technique machine and apparatus for implementing the same method
  • Method for conveying paper sheets by printing technique machine and apparatus for implementing the same method
  • Method for conveying paper sheets by printing technique machine and apparatus for implementing the same method

Examples

Experimental program
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Embodiment Construction

[0027] figure 1 An offset printing unit 2 with an impression cylinder 2.1 is shown. The impression cylinder 2.1 guides a corresponding sheet in a processing direction indicated by the direction of rotation arrow 5 through the printing nip between the impression cylinder 2.1 and a blanket cylinder 2.2 associated with it, and then in this example When the gripper bar arranged on the impression cylinder 2.1 for grasping the front gripping edge of the sheet 3 is opened, the sheet is conveyed to one of the side guide cylinders 2.3 of a single revolution speed (eintourig) Gripper row. The sheet 3 is then conveyed from the bypass roller 2.3 of the one-turn speed to another bypass roller 2.4 of half-turn speed (halbtourig) in this example, which finally conveys the sheet 3 to a chain of the delivery 1 on the conveyor 4. The chain conveyor 4 comprises two endless conveyor chains 6 , each of which circulates operatively along a closed chain track in the vicinity of the respective sid...

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PUM

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Abstract

A method for conveying sheets through a printing machine and an apparatus for conveying the sheets permit adaptation of a sheet brake to various sheet thicknesses by reducing a speed of the sheets in the direction of advance by bringing the sheets individually one after another into contact with at least one suction element moved in the direction of advance, and by holding each sheet by the action of a suction apparatus on the suction element along a conveying section, dependent upon the sheet thickness, the suction action of the suction element along the conveying section is changed locally.

Description

technical field [0001] The invention relates to a method for conveying sheets by a machine of the printing technology type, wherein the speed of the sheets in the feed direction is reduced in that the individual sheets successively come into contact with at least one suction element moving in the feed direction, Each sheet is then held on the suction element along a transport section by the action of the suction device. [0002] The invention also relates to a device for carrying out the method, provided with a device for feeding the individual sheets to a braking station which reduces the speed of the sheets, wherein the braking station has at least one suction table, which With a suction belt for holding and transporting at least one sheet, wherein the suction belt is provided with a plurality of through holes, and wherein the suction belt table has a support surface for the suction belt, at least one suction hole of a suction channel passes through To the support surface, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F21/00B41F13/54B65H29/04B65H29/24B65H29/68
CPCB65H29/242B65H2511/13B65H29/686B65H2801/21B65H29/041B65H2701/176B65H2220/01
Inventor 托马斯·舍费尔于尔根·菲尔伯斯安德鲁·麦克莱伦
Owner HEIDELBERGER DRUCKMASCHINEN AG