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A method of using an inking device for a gravure printing machine

A gravure printing machine and ink technology, applied in the field of printing, can solve the problems of affecting printing quality, uneven distribution of ink, and inability to effectively adjust the distance between a squeegee device and an ink roller, and achieve the effect of improving the mixing effect and the mixing strength.

Active Publication Date: 2021-05-07
江苏新美亚印刷有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main structure of the gravure printing machine consists of five parts: paper feeding, ink feeding, printing, drying, and paper delivery. The printing part is the main process. In the printing part, the ink roller is rotated in the ink pool to supply ink and Transmission, the uniformity of the ink in the ink pool will change to varying degrees due to gravity, usually the lower ink is thicker than the upper ink, which causes the overall distribution of the ink in the ink pool is not very uniform, which will affect printing quality; at the same time, when the existing ink scraping device scrapes off the excess ink on the ink roller, the distance between the ink scraping device and the ink roller cannot be effectively adjusted

Method used

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  • A method of using an inking device for a gravure printing machine
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  • A method of using an inking device for a gravure printing machine

Examples

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Effect test

Embodiment 1

[0049] Such as Figure 1 to Figure 9 As shown, a method for using an inking device of a gravure printing machine of the present invention comprises the following steps:

[0050] 1) Start the motor 30, the motor 30 drives the stirring shaft 14 to rotate in the lower tank body 3, and use the second telescopic tube to stir the ink in the lower tank body;

[0051] 2) Start the air pump 1 and feed high-pressure gas into the fourth air pipe 12. The high-pressure gas enters the second telescopic tube 18 through the fourth air pipe 12, forcing the second telescopic tube 18 to move toward the inner wall of the lower pool body 3. The second telescopic tube 18 When moving toward the inner wall of the lower tank body 3, the stirring plate 16 scrapes off the ink attached to the bottom of the lower tank body and mixes it with other inks;

[0052] 3) When the stirring plate 16 moves to fit the inner wall of the lower pool body 3, the air pump 1 is used to inject high-pressure gas into the t...

Embodiment 2

[0059] On the basis of Embodiment 1, the output end of the motor 30 extends into the lower pool body 3, the output shaft 29 of the motor 30 is provided with the first transmission gear 28, and the stirring shaft 14 is also provided with the first transmission gear. The tooth 28 meshes with the second transmission tooth 31 .

Embodiment 3

[0061] On the basis of Embodiment 1, a limit plate 24 is also provided on the top of the stirring shaft 14, a second elastic member 23 is also provided on the stirring shaft 14, and the second elastic member 23 is sleeved on the stirring shaft 14, and The second elastic member 23 is located between the limiting plate 24 and the movable block 21 .

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Abstract

The invention discloses a method for using an inking device of a gravure printing machine, which comprises an embossing cylinder and a printing plate cylinder, and also includes an air pump, a motor, and an ink storage tank. Assemblies, the stirring assembly includes a stirring shaft, a first telescopic tube, several second telescopic tubes, a movable block and a number of stirring plates, one side of the upper tank body is provided with a scraping assembly, and the scraping assembly includes a fixed plate, a first scraper and Several second scrapers, the fixed plate penetrates horizontally into the upper pool body, the end surface of the fixed plate located in the direction of the upper pool body is also provided with a first square hole matching the first scraper, and the first scraper is located in the first square hole , a second square hole is also provided in the first scraper. The invention can stir the ink stored in the ink storage pool, and can satisfy the needs of stirring inks of different depths in the ink pool, improve the stirring effect of the ink, and at the same time, use the ink scraping assembly to quickly adjust the amount of ink on the substrate.

Description

technical field [0001] The invention relates to the technical field of printing, in particular to a method for using an inking device of a gravure printing machine. Background technique [0002] Gravure printing is a printing method in which the inked part of the printing plate is concave. By applying ink to the concave graphic part of the printing plate, the excess ink is removed by a doctor blade or other methods, and then under the action of printing pressure, the ink is transferred to the substrate to complete the printing process. Gravure printing has clear layers, thick and bright ink layer, uniform ink color, can truly reproduce the effect of the original manuscript, and the printing speed is fast. It is one of the most widely used printing methods at present. [0003] The main structure of the gravure printing machine consists of five parts: paper feeding, ink feeding, printing, drying, and paper delivery. The printing part is the main process. In the printing part,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41F9/06B41F9/10B41F31/03B41F31/07
CPCB41F9/061B41F9/1036B41F31/03B41F31/07
Inventor 李凤英
Owner 江苏新美亚印刷有限公司
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