Printing machine roller

A technology for printing machines and printing rollers, applied in printing machines, rotary printing machines, printing, etc., can solve the problems of ink and dampening solution transfer performance deterioration, ink residue, printing difficulties, etc., to clean the surface of printing rollers, prevent Effects of glazing and improvement of printing performance

Pending Publication Date: 2022-03-25
张竟夫
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These residues accumulate for a long time, and under the action of printing pressure and heat, the surface of the printing roller will eventually be glazed. If the glaze cannot be processed in time, the glazed layer will become thicker and thicker, which will affect the transfer performance of ink

Method used

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  • Printing machine roller
  • Printing machine roller
  • Printing machine roller

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0028] As a specific embodiment of the present invention, the spindle 2 is engaged with the rotating shaft 7 by a gear;

[0029] As the motor is powered by the main shaft 2, the main shaft 2 is engaged with the rotating shaft 7 such that the main shaft 2 can be rotated simultaneously to the rotating axis, so that the spindle 2 is consistent with the rotation speed of the rotary shaft 7, thereby printing roller The 3 and the cleaning roller 8 can be mounted to each other to achieve the purpose of cleaning the surface of the printing roller 2 and the residual ink in the micropores 31; while the magnetic force generated by the electromagnetic rod 84 can have a sufficient time to have a sufficient time to the metal piston 32, the main shaft 2 The rotational speed of the rotating shaft 7 is 10-15 r / min.

[0030] As a specific embodiment of the present invention, there is a cavity 36 inside the printed roller 3, and the spring hole 34 is provided with a guiding tube 35 to connect the ...

Example Embodiment

[0032] As a specific embodiment of the present invention, the metal piston 32 is slidably connected to the inner wall of the microve 31, and the metal piston 32 is recessted inward, forming a slight surface, and the metal piston 32 wagon is high-point high-point micropores. At 31 ports, the metal piston 32 exceeds the print roller 3 surface is the maximum distance of the metal piston 32, the lowest point of the small hole is 1-2 mm;

[0033] When the print roller 3 is turned to the position of the ink to the position that deviates from the top operating surface, the portion residual ink remains within the microve 31, and the metal piston 32 and the microporous 31 inner wall without gaps to ensure the inside of the micropores 31. The sealing property, while the microporous 31 residual ink is stacked on the surface of the metal piston 32, and when the metal piston 32 is slidably sliding outward, the ink attached to the inner wall of the microve 31 is also shaved. In order to deposit...

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PUM

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Abstract

The invention belongs to the technical field of printers, and particularly relates to a printing machine roller which comprises a fixing frame, a main shaft, a printing roller body, a first connecting rod, a second connecting rod, a supporting rod, a rotating shaft, a cleaning roller body and a waste water tank, the printing roller body comprises a micropore, a metal piston, a spring and a spring hole, and the micropore is formed in the outer surface of the printing roller body; a metal piston is arranged in the micropore and is in sliding connection with the micropore, a spring is fixedly connected to the bottom of the metal piston, and the spring is located in the spring hole and is fixedly connected with the bottom of the spring hole; the cleaning roller comprises a roller body, a rotating shell, a rubber scraping plate and an electromagnetic rod, the outer surface of the roller body is sleeved with the rotating shell, the outer surface of the rotating shell is fixedly connected with the rubber scraping plate, the electromagnetic rod is arranged in the rubber scraping plate, and the top end of the rubber scraping plate makes contact with the surface of the printing roller; the cleaning of micropores and the surface of the printing roller can be realized, the printing roller is prevented from being glazed, and the printing performance is improved.

Description

technical field [0001] The invention belongs to the technical field of printers, in particular to a printing machine roller. Background technique [0002] The printing efficiency of the roller printing machine is high, and it is widely used. The existing roller printing machine first dips one side of the printing roller into the ink when printing, and the ink will adhere to the outer peripheral surface of the printing roller. Rotate to print ink onto paper or fabric; [0003] During the printing process of the existing printing roller, some residual ink accumulates on the surface of the printing roller, and part of the ink can be cleaned with water or solvent, but a small amount of ink remains on the bottom of the micropores on the surface of the printing roller and on the surface of the printing roller. These residues accumulate for a long time, and under the action of printing pressure and heat, the surface of the printing roller will eventually be glazed. If the glaze ca...

Claims

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Application Information

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IPC IPC(8): B41F13/10B41F13/22B41F35/02
CPCB41F13/10B41F35/02B41F13/22B41P2235/21
Inventor 张竟夫王永鑫
Owner 张竟夫
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