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Method for controlling the feeder of a saddle stitcher

A technology of saddle stitching and feeder, which is applied in the direction of bookbinding, bookbinding, and combined continuous process of book processing. It can solve the problems of no open cam discs, etc., and achieve the effects of improving reliability, reducing quantity, and reducing manufacturing costs.

Inactive Publication Date: 2017-06-16
MULLER MARTINI HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Details for adjusting the cam discs are not disclosed in this publication

Method used

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  • Method for controlling the feeder of a saddle stitcher
  • Method for controlling the feeder of a saddle stitcher
  • Method for controlling the feeder of a saddle stitcher

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0022] figure 1 The saddle stitcher shown in in particular comprises three feeders 2 - 4 arranged one behind the other in the production direction 1 , a stitching station 5 and a transverse conveyor 6 . The individual folded sheets 7 - 9 in the feeder 2 - 4 are stacked on top of each other on a revolving collection chain 10 in a horse-riding manner and transported to the binding station 5 . In the binding station 5, the collated folded sheets 7-9 are joined to one another by backstabbing wire binding. Behind the transverse conveyor 6, the folded sheets 7-9 connected to one another acquire a new production direction 11 for further transport to the trimmer.

[0023] as from figure 2 As can be seen from the sectional view of the feeder 3 in , the folded sheets 7 are stacked one above the other in a magazine 12 . The bottom of the magazine 12 is inclined relative to the horizontal. The folded sheet 7 rests with its folded front edge on the register rail 13 and with its side e...

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PUM

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Abstract

The present invention relates to a method for controlling a feeder of a saddle stitching machine. The object of the present invention is to provide a method which reduces the operational complexity when adjusting the feeder, which method enables reliable placement of the folded sheets (7-9) on the conveying device Improvements and the method allow for improved quality in collation and binding. According to the invention, when controlling the feeder of the saddle stitcher, the opening or closing times of the grippers (22, 26, 35-37) are adjusted program-controlled, steplessly and according to specifications. For this purpose, data on the dimensions and the number of sheets of the folded sheets (7-9) are entered into a control device (18), from which data an adjustment signal for the adjustment mechanism of the gripper is generated.

Description

technical field [0001] The invention relates to a method for controlling a feeder of a saddle stitcher. Background technique [0002] Laid-open document DE 1 100 043 discloses a gripper for a bookbinding machine for gripping and fixing sheets, the closing movement of which is brought about by actuating a pneumatic cylinder. If the working cylinder is under vacuum or is supplied with compressed air, the gripper fingers attached to the piston rod are tightened against the force of the spring. The working cylinder is supplied with pressure or suction air via a control valve which is controlled by an adjustable cam disc in such a way that the gripper force is adjusted. The cam disc has a fixed adjustment characteristic corresponding to the cam curve. No details are disclosed in this publication for adjusting the cam disc. [0003] In the case of printing presses, it is known from DE 42 21 929 C2 to use a computer to control the movement of the gripper connected to the cylinde...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B42C19/00B42C19/08B42C1/12
CPCB42C1/12B42B4/00B42B9/02B42B9/04B65H3/0875B65H5/307B65H5/32B65H2511/415B65H2513/50B65H2701/1932B65H39/043B65H39/055B65H2301/322B65H2220/01B65H2220/02B65H39/00
Inventor S·弗里奇S·霍夫曼F·普罗伊斯
Owner MULLER MARTINI HLDG