Closed type ink feeding device

A closed and ink-feeding technology, applied in printing, printing machines, general-purpose parts of printing machinery, etc., can solve problems affecting printing quality and uneven printing, and achieve the effect of improving ink supply and printing quality

Inactive Publication Date: 2015-03-25
江苏南风地暖科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Gravure printing is printed by direct printing with circular pressure. The printing plate is directly made on the printing plate cylinder, and the ink is supplied by immersion or inkjet. The printing machine must supply ink evenly when it is running,

Method used

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  • Closed type ink feeding device

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Embodiment Construction

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention.

[0020] Such as figure 1 As shown, a closed ink supply device is used for gravure printing machines, including an ink barrel 1, a motor 2 and a three-way ball valve 3 are installed above the ink barrel 1, and one side of the ball valve 3 is sequentially connected with an ink inlet pipe 1. 4. Ink inlet pipe 2. 5, spray gun 6 and an ink supply device; the other side of the three-way ball valve 3 is connected to one end of a return pipe 7, and the other end of the return pipe 7 is connected to the ink barrel 1; the three-way ball valve 3 is upward An ink outlet pipe 8 is connected, and the ink outlet pipe 8 is connected to the ink barrel 1 downward after being bent at the top;

[0021] A flowmeter 10 is arranged between the spray gun 6 and the ink inlet pipe 2 5; the ink supply d...

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PUM

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Abstract

The invention discloses a closed type ink feeding device used for a gravure printing machine. The closed type ink feeding device comprises an ink barrel, a motor and a three-way ball valve are installed above the ink barrel, and one side of the ball valve is sequentially connected with a first ink feeding pipe, a second ink feeding pipe, a spraying gun and an ink feeding device body. The closed type ink feeding device is provided with an ink supplying groove, a backflow pipe and a flowmeter. Ink is prevented from being thrown outside a plate while being supplied evenly, when surplus ink on the plate flows down, part of ink will be accumulated to soak the surface of a plate cylinder, the ink supplying situation is further improved, and the printing quality is improved.

Description

technical field [0001] The invention relates to a closed ink supply device. Background technique [0002] When printing on a gravure printing machine, the entire plate cylinder is inked, and the ink on the blank part of the plate is scraped off with a squeegee, leaving the ink on the graphic part, and then passed through the paper or pet film, and the impression cylinder is printed on the paper or pet. The back of the film is embossed, so that the ink in the concave part is directly transferred to the surface of the paper or PET film, and finally the printed matter is stacked or rewound through the delivery paper or the PET film. Gravure printing is printed by direct printing with circular pressure. The printing plate is directly made on the printing plate cylinder, and the ink is supplied by immersion or inkjet. The printing machine must supply ink evenly when it is running, especially for high-speed gravure printing machines. The requirements for this work are higher. Wh...

Claims

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Application Information

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IPC IPC(8): B41F31/04
Inventor 田薪
Owner 江苏南风地暖科技有限公司
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