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Sheet-processing machine having a deliverer, and method for depositing sheets

An output device and a single-sheet technology, which is applied in the field of stacking single-sheets, and can solve the problems that skewed single-sheets cannot be detected, waste pages are time-consuming, etc.

Active Publication Date: 2017-09-29
KOENIG & BAUER AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, waste sheets occur, which have to be removed from the machine in a time-consuming manner, wherein the individual sensors only detect protruding sheets that protrude to a large extent, while at the same time the skewed sheets themselves cannot be detected arrive

Method used

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  • Sheet-processing machine having a deliverer, and method for depositing sheets
  • Sheet-processing machine having a deliverer, and method for depositing sheets
  • Sheet-processing machine having a deliverer, and method for depositing sheets

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Embodiment Construction

[0060] exist figure 1 shows the output device of a sheet-fed processing machine, here in particular a sheet-fed printing press, in particular a sheet-fed offset rotary printing press, preferably constructed in a block and row configuration. Such machines are correspondingly operated with the lithographic method, wherein other printing methods, such as screen printing, can also be integrated in the machine. In the arrangement of the machine, the individual sheets 7 are gripped at the front edge by means of the gripper system of the rotating cylinders and handed over between the cylinders with the grippers locked. In the printing unit, the individual sheets 7 are each substantially inked with printing ink in the printing nip formed by the cylinder and the blanket cylinder. In addition, one or more varnishing devices are provided, in which the individual sheets 7 can be varnished by a varnishing forme cylinder. The cylinders arranged in the machine can be designed as single-siz...

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PUM

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Abstract

The invention discloses a sheet-processing machine having a deliverer, and a method for depositing sheets. The invention relates to a sheet-processing machine having a deliverer and having a sheet conveying system which transports sheets (7) to a delivery stack (9) and with a respective sheet leading-edge of the sheets (7) onto at least two leading-edge stops (12), wherein the at least two leading-edge stops (12) define a leading-edge stop plane (12.2), wherein at least one further stop (16, 14) is provided for aligning the delivery stack (9) on a further edge of the delivery stack (9), and wherein at least one detecting unit (24, 29) is configured for monitoring at least one point (25.4, 26.4, 30.4) which is positioned downstream of the leading-edge stop plane (12.2) in the sheet transport direction (39), and having a sheet delivery system for delivering sheets over a delivery stack, and to a method for depositing sheets. The invention is based on the object of providing a deliverer of a sheet-processing machine. In particular, the deliverer is configured in such a way that damage as a result of sheets which are deposited in a faulty manner can be ruled out and the effectiveness of the machine is increased. According to the invention, the object is achieved by virtue of the fact that at least one sensor (17, 15) is configured for monitoring at least one further point (17.2, 15.2) which is positioned upstream of the leading-edge stop plane (12.2) in the sheet transport direction (39).

Description

technical field [0001] The invention relates to a machine for processing sheets with an output device and a sheet feeding system for feeding the sheets above the stack of the output device and to a method for stacking the sheets . Background technique [0002] In DE 10 2006 040 679 A1 a method and a device for stacking sheets of a sheet-fed machine on a sheet-sheet stack are described, wherein the sheets are fed by means of an endless sheet-fed feed The systems are transported one behind the other over the sheet stack and abut the leading edge of the sheet against a front edge stop. In order to enable precise stack formation, stop surfaces corresponding to such sheet-fed stacks in the upper region in the lateral direction are provided in this delivery device, with respect to the stop surfaces exhibiting a direction transverse to A reciprocating motion directed in the direction of sheet transport whereby the sheets are aligned with respect to their side edges. The position...

Claims

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Application Information

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IPC IPC(8): B65H29/04B65H29/52B65H29/58B65H31/20B65H31/32B65H31/38B65H43/00B65H43/04
CPCB65H29/041B65H29/52B65H29/585B65H31/20B65H31/32B65H31/38B65H43/00B65H43/04B65H2220/03B65H2220/02B65H2220/01B65H2220/11B65H2701/1311B65H2701/1313B65H2701/1315B65H2601/111B65H2801/21B65H2553/30B65H2553/41B65H2553/412B65H2553/414B65H2553/42B65H2511/414B65H2511/417B65H2511/20B65H2511/24B65H2513/512B65H2513/10B65H2405/1122B65H2405/114B65H2405/1134B65H2301/531B65H2553/82
Inventor 米夏埃尔·科赫沃尔克·塔申伯格马蒂亚斯·弗尔斯特
Owner KOENIG & BAUER AG
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