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Flexographic printing machine and box making machine

A technology of flexographic printing machine and printed matter, applied in printing machine, rotary printing machine, rotary printing machine and other directions, can solve the problem of uneven thickness of ink film and achieve the effect of ensuring printing quality

Active Publication Date: 2019-11-26
MITSUBISHI HEAVY IND MACHINERY SYST LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the ink film thickness is uneven due to the solvent gas atmosphere

Method used

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  • Flexographic printing machine and box making machine
  • Flexographic printing machine and box making machine
  • Flexographic printing machine and box making machine

Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment approach

[0046] Hereinafter, the flexographic printing machine according to the first embodiment will be described.

[0047] [1. Structure]

[0048] Flexographic printing machines are used to print printed materials such as corrugated cardboard and packaging paper using various inks such as water-based inks and UV inks. In this embodiment, a flexographic printing machine that prints on a corrugated cardboard using water-based ink will be described as an example. Specifically, a flexographic printing machine applied to a box making machine for manufacturing (box making) corrugated cardboard boxes from corrugated cardboard will be described.

[0049] 〔1-1. The overall structure of the box making machine〕

[0050] First, the overall structure of the box making machine will be described.

[0051] Such as Figure 4 As shown, from the upstream side of the program (box production line) in the box making machine, there are paper feeding part A, printing part B, slotting and pressing part C...

no. 2 Embodiment approach 〕

[0198] [1. Structure]

[0199] Next, refer to Image 6 , and the second embodiment of the present invention will be described.

[0200] In the flexographic printing machine according to the second embodiment of the present invention, the dot and tray 110 of the two-fluid spray device 100 are provided in a position corresponding to the water supply device 50 of the first embodiment as an ink solvent supply part. The structures of the embodiments are different. Except for the points described here, the configuration is the same as that of the first embodiment, and the same reference numerals are attached to these, and the description of each part is omitted. in addition, Image 6 In order to facilitate understanding, the two-fluid spray device 100 is schematically enlarged.

[0201]

[0202] The two-fluid spray device 100 mixes two fluids of air and water and sprays them from the injection port 109 . The ejection port 109 penetrates the guide member 60 and protrudes from ...

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PUM

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Abstract

The present invention relates to a flexographic printing machine which ensures printing quality even with increased printing plate lines. The flexographic printing machine has: a printing plate (31), at the ink transfer part (P 2 ) transfer ink to the printed object (S); the anilox roller (20), at the ink supply part (P 1 ) supplies ink to the printing plate (31); the printing plate cylinder (30) is wound with the printing plate (31) and rotates; 2 ) is more downstream in the direction of rotation of the plate cylinder (30) and compared to the ink supply location (P 1 ) the post-ink transfer area (R 1 ) to supply ink solvent to the surface (31a) of the printing plate (31).

Description

technical field [0001] The present invention relates to a flexographic printing machine and a box making machine equipped with the flexographic printing machine. Background technique [0002] The technology of a printing machine that prints using a printing plate is applicable not only to the printing of printed matter, but also to various fields. In such a printing machine, the printing atmosphere such as air temperature and humidity affects the printing quality, and therefore a technique of adjusting the printing atmosphere so that a predetermined printing quality can be obtained has been proposed. [0003] For example, Patent Document 1 discloses a technique of forming a light emitting layer on a substrate by flexographic printing using a relief plate (printing plate). In this technique, a light-emitting layer obtained by dissolving and dispersing a polymer organic light-emitting body in a solvent is printed with ink on a substrate to form a light-emitting layer. Howeve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41F31/28B41F5/24B41F19/08B41F31/06B41F33/00
CPCB41F5/24B41F17/26B41F19/008B41F23/0443B41F23/0453B41F23/0466B41F31/001B41F31/027B41F31/20B41F31/28B41F35/02B41P2235/14B41P2235/26B31B50/88B41F19/08B41F31/06B41F33/00B41F1/46B41F31/005B41F31/13B41F33/0045
Inventor 山本修杉本和也波多野治
Owner MITSUBISHI HEAVY IND MACHINERY SYST LTD