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printing device

A printing device and supporting shaft technology, applied in the directions of printing devices, printing, printing machines, etc., can solve the problems of increased cost and time-consuming of printing machines.

Active Publication Date: 2020-10-30
MIYAKOSHI PRINTING MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a possibility that the cost of the printing machine increases
Since it is also necessary to operate the double eccentric mechanism correctly, there is a problem that it takes time to adjust the printing pressure.

Method used

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Experimental program
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Embodiment Construction

[0028] for the manner in which the invention is carried out

[0029] One embodiment of the printing apparatus of the present invention will be described with reference to the drawings.

[0030] The printing device according to this embodiment is a printing device capable of switching between printing on the front side of a web and printing on the back side of the web. Web is a strip of printing paper that is rolled into a roll. The roll paper is supplied from the supply device to the printing device, and the image is printed on the roll paper by the printing device. The printing device of this embodiment is a flexographic printing device, and an image is printed on a roll paper using a plate (relief plate) of a cylinder.

[0031] figure 1 It is a front view of the printing device 1 according to this embodiment, showing the printing device 1 viewed from one side in the width direction of the roll paper 2 . figure 2 It is a rear view of the printing device 1 according to th...

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PUM

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Abstract

A printing device that performs adjustment of printing pressure and movement of the cylinder relative to the cylinder by a simple mechanism while preventing changes in the contact pressure between the cylinder and the anilox roller. Equipped with a pair of support shafts (5, 6) facing each other with the web (2) in between; a cylinder sleeve (7) and a pressure cylinder detachably mounted on the support shafts (5, 6) different from each other a sleeve (8); an ink supply (40) having an anilox roller (41) movable in unison with the position of the plate sleeve (7) mounted on the support shaft (5) or (6); and One side of a pair of supporting shafts (5, 6) is held, and the rotating body (50) that rotates together with one supporting shaft (5) acts as an ink supply device (40) and a plate mounted on one supporting shaft (5). When the position of the cylinder sleeve (7) is moved in unison, the rotation center (43) of the anilox roller (41) coincides with the rotation center (51) of the rotor (50).

Description

technical field [0001] The invention relates to a printing device capable of switching between printing on the surface of a web and printing on the back of the web. Background technique [0002] In the printing device that prints from the plate cylinder and the platen cylinder to the web, at least one of the plate cylinder and the platen cylinder is moved, the plate cylinder and the platen cylinder are separated from each other or the plate cylinder and the platen cylinder are in contact with each other, and the pressure on the web is adjusted. stamping. In this state, the ink is supplied by the anilox roller relative to the plate cylinder, and the web passes between the plate cylinder and the platen cylinder. The printing device performs printing on each side of the roll paper by switching between printing on the front side of the roll paper and printing on the back side of the roll paper. As such a printing device, conventionally, a web rotary printing machine in which a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41F13/24
CPCB41F13/24B41F31/027B41F31/302B41F5/12B41F5/24B41F13/20B41F13/32B41F13/36B41F13/40B41P2213/802B41P2217/12B41P2217/14B41P2227/21B41F31/004
Inventor 藤原铃司嵯峨利浩
Owner MIYAKOSHI PRINTING MACHINERY