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Intermittent leapfrogging machine, printing machine paper feeding device comprising same and printing machine

A paper feeding device and intermittent technology, which is applied in the field of printing equipment to achieve the effects of simple structure, low use cost and easy maintenance

Active Publication Date: 2015-09-30
河北海贺胜利印刷机械集团有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] It can be seen that at present, there is no printing machine paper feeding device that can adapt to wide paper, intermittent feeding with high tension, and a little rewinding at home and abroad.

Method used

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  • Intermittent leapfrogging machine, printing machine paper feeding device comprising same and printing machine
  • Intermittent leapfrogging machine, printing machine paper feeding device comprising same and printing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Embodiment 1: Intermittent jumping machine is only installed on the side of the unwinding machine

[0058] Such as figure 1 , 2 As shown, Embodiment 1 of the present invention relates to an intermittent skipping type paper feeding device in a printing press, especially the intermittent skipping stepping machine 3 in the paper feeding device.

[0059] Such as figure 1As shown, the paper feeding device in Embodiment 1 of the present invention includes an unwinder 1 , a paper feeding tractor 2 , an intermittent skipping machine 3 on the side of the unwinder, a paper output tractor 5 and a winder 6 arranged in sequence. During printing, the paper is conveyed to the printing color group 4 arranged between the paper feeding tractor 2 and the paper discharging tractor 5 by the paper conveying device.

[0060] As shown in the figure, the intermittent jumper 3 on the side of the unwinder is arranged between the paper feeding tractor 2 and the printing color group 4, and is ...

Embodiment 2

[0085] Embodiment 2: Intermittent skipping machines are arranged before and after the printing color group

[0086] The difference between Embodiment 2 and the above-mentioned Embodiment 1 is that in addition to setting the intermittent skipping machine 3 on the unwinding side, an intermittent skipping machine is also set between the printing color group 4 and the paper output tractor 5 3. It includes the discharge main jumping tractor 34 and the discharge auxiliary tensioner 35 . The structure of this intermittent stepping machine is the same as that of Embodiment 1, and will not be repeated here. This structure can ensure that the tension on both sides of the wide-width paper remains balanced during the printing process of the printing color group 4.

[0087] Other structures in embodiment 1 can be used in embodiment 2.

[0088] During printing, the printed paper of the printing color group 4 passes through the discharge main jumping tractor 34, the transition support ro...

Embodiment 3

[0090] Embodiment 3: printing machine with detection equipment

[0091] On the basis of the above-mentioned embodiments 1 and 2 or in other printing machines, it is possible to add figure 1 The pause machine 7 shown constitutes the printing press of Embodiment 3 as follows.

[0092]Specifically, in order to facilitate on-site quality inspection of the printed matter at any time, a pause machine 7 for quality inspection of the printed matter is provided between the paper discharge tractor 5 and the winder 6 . The pause machine 7 includes a pedal 71, and an observation platform 72 is arranged on one side above the pedal 71. The observation platform 72 is provided with a pressing roller 73 connected with a control device, and the control device is used to control the pressing roller 73 to press the printed matter. At the same time, an illuminating lamp 74 is arranged above the observation platform 72 . The printed matter is output by the paper output tractor 5, bypasses the g...

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PUM

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Abstract

The invention provides an intermittent leapfrogging machine for a printing machine paper feeding device. The intermittent leapfrogging machine for the printing machine paper feeding device comprises a main leapfrogging traction machine, an auxiliary tensioning machine and a transitional supporting roller, wherein the main leapfrogging traction machine, the auxiliary tensioning machine and the transitional supporting roller are arranged on a rack; the transitional supporting roller is arranged between the main leapfrogging traction machine and the auxiliary tensioning machine; and the main leapfrogging traction machine can drive paper to be fed intermittently and returns the paper in the reverse direction after a frame of printing pattern is printed. The invention also provides a printing machine paper feeding device comprising the intermittent leapfrogging machine and a printing machine. Because the printing machine is provided with the intermittent leapfrogging machine, in a printing process, a part of the paper can be returned, and the paper can be saved. Moreover, by the paper feeding device with the two intermittent leapfrogging machines, the traction force in the paper feeding device can be balanced, and printing of wide paper is implemented.

Description

technical field [0001] The invention relates to the field of printing equipment, in particular to an intermittent skipping machine, a printing machine paper feeding device including the same, and a printing machine. The intermittent skipping machine can make the paper feed intermittently and reverse a little. Background technique [0002] With the improvement of people's printing efficiency and precision requirements for printed matter such as packaging boxes, wine packaging boxes, etc., rotary presses have become a development trend of printing machines. Compared with satellite and stack printing machines, it has faster printing speed and can save printing materials. [0003] At present, the printing rotary machines of major enterprises mainly rely on imports, which are expensive and not convenient for operation and maintenance. Some domestic companies are also working on independent development, but as far as the current situation is concerned, they still cannot fully me...

Claims

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Application Information

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IPC IPC(8): B65H20/04B65H23/26
CPCB41F21/00
Inventor 李乾宁
Owner 河北海贺胜利印刷机械集团有限公司