Device for feeding sheets to a sheet stack

A kind of technology of equipment and sheets, applied in general parts of printing machinery, printing, printing machines, etc., can solve problems such as wrinkles, sheet damage, tearing, etc.
CN102190191AInactive Publication Date: 2011-09-21HEIDELBERGER DRUCKMASCHINEN AG
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HEIDELBERGER DRUCKMASCHINEN AG
Publication Date
2011-09-21
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a device for feeding sheets to a sheet stack. In a delivery of a sheet-processing machine, in particular a printing press, provision is made for chain gripper systems for holding the sheets to be transported at the leading and trailing edges thereof. The holding devices are configured such that they can be displaced relative to one another for the purpose of format adjustment. The chain gripper system has a sprocket drive shaft and a sprocket deflection shaft for the chains of the chain gripper system. Here, provision is made for both the sprocket drive shaft and the sprocket deflection shaft to have a clutch.
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Description

technical field

[0001] The invention relates to a delivery of a sheet processing machine, in particular a printing press, with a chain gripper system for holding and transporting the sheets respectively at the leading edge and the trailing edge of the sheet. Background technique

[0002] A chain gripper system of this type is known from DE 103 43 428 A1. The chain gripper system has a first sprocket shaft to be driven and a second sprocket shaft for steering the chain. It is proposed here that the sprockets are mounted rotatably relative to one another for size adjustment and can be fixed by means of a rotary clutch.

[0003] The chain of jaw bridges on which the gripper bridges are arranged for holding the leading and trailing edges of the sheets to be transported tends to vibrate in the longitudinal direction during operation. These longitudinal vibrations have no noticeable influence in chain delivery systems in which the sheets are only held at the leading edge during ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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