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Printer roller platen rotation angle adjusting method and apparatus

A technology of embossing rollers and printing machines, applied in printing machines, rotary printing machines, printing, etc., can solve the problems of low alignment accuracy of printing plate rollers, affect the printing quality of printed products, and long adjustment strokes, and achieve direct adjustment methods Simple, short stroke, and the effect of improving printing quality

Inactive Publication Date: 2008-11-05
ZHEJIANG ZHONGTE MACHINERY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The planetary adjustment method is driven by multiple sets of gears, which has the problems of long adjustment stroke and low registration accuracy between printing plate rollers, which affects the printing quality of printed matter

Method used

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  • Printer roller platen rotation angle adjusting method and apparatus
  • Printer roller platen rotation angle adjusting method and apparatus

Examples

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Embodiment Construction

[0012] With reference to the accompanying drawings, the embossing roller corner setting method of the printing press of the present invention is: first, unclamp the nut 50 that is mounted on the screw rod 49 and the outer end of the threaded seat 23 that is sleeved on the screw rod 49; The knob 51 rotates the screw rod 49, and then the inner spline sleeve 17 which is installed on the periphery of the bearing 18 at the inner end of the screw rod 49 and connected with the inner end of the embossing roller shaft 16 moves horizontally; The shifting block 45 on the inner spline sleeve 17 and embedded in the rectangular threaded groove 53 on the inner wall of the embossing roller 15 moves, due to the dual restriction of the shifting block 45 and the rectangular threaded groove on the embossing roller 15, Force the embossing roller 15 and the embossing roller shaft 16 to produce relative rotational movement (about ± 30 degrees, as shown in Figure 4), due to the effect of the gear 14 a...

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Abstract

The invention provides a stamping roller rotation angle adjusting method for a printer, which is characterized in that an approaching nut is loosened; a knob is rotated to lead a screw to be rotated and lead an internal spline sleeve arranged at the bearing periphery of the internal end of the screw and connected with the internal end of a stamping roller shaft to generate horizontal movement further; meanwhile, a pulling block arranged on the internal spline sleeve and embedded in the rectangular thread trough of the internal wall of a stamping roller cylinder is driven to move so as to lead relative rotation motion to be generated between the stamping roller cylinder and the stamping roller shaft and lead a printing plate roller to carry out the relative rotation motion, thus realizing the object of plate aligning between the printing plate rollers. The device gained by the method has a screw arranged on an external side wall plate by a thread seat; the internal end of the screw is provided with a bearing; the screw is connected with the internal end of the stamping roller shaft by the bearing and the internal spline sleeve at the periphery of the bearing; the internal wall of the stamping roller cylinder is provided with the rectangular thread trough; the internal spline sleeve is provided with the pulling block; furthermore, the pulling block is embedded in the rectangular thread trough. The adjusting mode of the method of the invention on the rotation angle adjusting of the stamping roller is direct and simple, the stroke is short and the plate aligning precision of the printing plate rollers is improved.

Description

1. Technical field [0001] The invention relates to a printing machine, in particular to a method for setting the corner angle of an embossing roller of the printing machine and a corner setting device thereof. 2. Background technology [0002] At present, the method and device for setting the rotation angle of the embossing roller of the printing machine is to use the manual knob to drive the screw (also called the rotating shaft) to rotate to drive the planetary adjustment mechanism, and as the embossing roller is driven, the alignment between the printing plate rollers is realized. plate (the embossing roller is connected to the printing plate roller). The planetary adjustment method is driven by multiple sets of gears, which has the problems of long adjustment stroke and low registration accuracy between printing plate rollers, which affects the printing quality of printed matter. 3. Contents of the invention [0003] The object of the present invention is to overcome ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F13/24B41F13/20
Inventor 林孝余蔡建平孙毅
Owner ZHEJIANG ZHONGTE MACHINERY TECH CO LTD
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