An inking device for a printing press

A technology for printing presses and impression cylinders, which is used in printing presses, general parts of printing machinery, inking devices, etc. It can solve problems such as affecting printing quality, uneven ink distribution, and inability to effectively adjust the distance between the ink scraping device and the ink roller, etc. problem, to achieve the effect of improving the mixing effect and increasing the mixing strength

Active Publication Date: 2021-05-14
浙江恒茂泰数码科技股份有限公司
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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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  • An inking device for a printing press
  • An inking device for a printing press
  • An inking device for a printing press

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Such as Figure 1 to Figure 9 As shown, the present invention comprises impression cylinder 7 and printing plate cylinder 8, and described impression cylinder 7 is positioned at the top of printing plate cylinder 8, also comprises air pump 1, motor 30, ink reservoir, and described ink reservoir comprises the lower pool body of circular structure 3 and an upper pool body 10 of rectangular structure, the upper pool body 10 is located above the lower pool body 3, and the inner bottom of the lower pool body 3 is provided with a stirring assembly 4, and the stirring assembly 4 includes a stirring shaft 14, a first telescopic tube 13. Several second telescopic tubes 18, movable blocks 21 and several stirring plates 16, the stirring shaft 14 is connected to the inner bottom of the lower pool body 3 in rotation, the motor 30 can drive the stirring shaft 14 to rotate in the lower pool body 3, the first telescopic The tube 13 is sleeved on the stirring shaft 14, and one end of th...

Embodiment 2

[0047] 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

[0049] 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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PUM

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Abstract

The invention discloses an inking device applied to a printing machine, which includes an impression cylinder and a printing plate cylinder, and also includes an air pump, a motor, and an ink storage tank. The ink storage tank includes a lower tank body and an upper tank body, and a stirring assembly is arranged on the inner bottom of the lower tank body The stirring assembly includes a stirring shaft, a first telescopic tube, several second telescopic tubes, a movable block, and several stirring plates. One side of the upper pool body is provided with a scraping assembly, and the scraping assembly includes a fixed plate, a first scraper and several The second scraper, the fixed plate horizontally penetrates 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, 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 an inking device applied to a 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, the ink roller is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41F31/07B41F31/03B41F31/04
CPCB41F31/03B41F31/04B41F31/07B41P2231/00
Inventor 李凤英
Owner 浙江恒茂泰数码科技股份有限公司
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