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Machine for processing single sheet of printing material

A printing material and machine technology, applied in printing machines, rotary printing machines, screen printing machines, etc., can solve the problems of no back support and stability, and achieve the effect of high durability

Inactive Publication Date: 2005-08-31
HEIDELBERGER DRUCKMASCHINEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, in the region where the sheet support sections do not engage with each other, the carrier belt is only supported on the rear side by one sheet support section in each case, so that there is insufficient rear support and stability

Method used

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  • Machine for processing single sheet of printing material
  • Machine for processing single sheet of printing material
  • Machine for processing single sheet of printing material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025]A machine 1 for processing sheets 2 of printing material is depicted in a schematic plan view in FIG. 1a. The machine 1 is a sheet-fed printing press and comprises a printing unit 3 for offset offset printing with a cylinder 4 and a delivery 5 with a first chain conveyor 6 and a second chain conveyor 7 . This roller is a counter-pressure roller 4 .

[0026] The first chain conveyor 6 each comprises a sprocket 8 on the drive side and on the operating side, and a closed chain 9 which runs around the sprocket. The closed chains 9 of the first chain conveyor 6 have between them gripper bridges 10 running ahead in the transport direction 11 for holding the leading sheet ends 12 of the sheets 2 . The second chain conveyor 7 likewise comprises a sprocket 13 on each side of the machine and a closed chain 14 which circulates around the sprocket. The closed chains 14 of the second chain conveyor 7 have between them trailing gripper bridges 15 for holding sheet ends 16 running b...

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PUM

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Abstract

A machinery (1) for processing printing material page sheet (2) has a drum (4) for conveying these page sheets (2) and has page sheet supporting devices (18) capable of rotatably supporting the page sheets around the page sheet supporting device rotating axes (21), the page sheet supporting devices separately comprise supporting sections (22) for compacting the page sheets (2) at the drum. The supporting sections (22) are arranged in this way: they oscillate to an active position (22.2) and a passive position (22.1) about a rotating axes (21) skewed relative to the page sheet support axis or a rotating hinge (31) for determining the rotating axes.

Description

technical field [0001] The invention relates to a machine for processing single-sheet printing materials, which has a cylinder for feeding the sheets and has sheet supports arranged rotatably about the axis of rotation of the sheet supports, the sheet supports respectively Contains support segments for pressing the sheet against the cylinder. Background technique [0002] The sheet-fed printing press can have a delivery with a front gripper bridge in the direction of transport for securing the front end of the sheet to be received and a rear gripper bridge for simultaneously securing the rear end of the sheet. On such a delivery, the forward jaw bridge set can be placed on one chain pair and the rear jaw bridge set can be placed on the other chain pair. The forward and rear jaw bridges move together with the chain pair around a delivery roll carrying said sheet support means. The function of the sheet supporting device is to hold each sheet when the front claw bridge has b...

Claims

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Application Information

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IPC IPC(8): B41F21/08B41F22/00B65H5/12
CPCB41F22/00
Inventor 彼得·弗希亚历山大·克莱马库斯·默赫林格斯特凡·穆切尔保罗·妮古拉马里乌斯·施特尔特
Owner HEIDELBERGER DRUCKMASCHINEN AG