Water cooling roller of roll paper intaglio printing press
A gravure printing machine, water cooling technology, applied to printing machines, general parts of printing machinery, printing, etc., can solve the problems of cumbersome operation, poor practical performance, complex structure of water cooling cylinder, etc., and achieve good cooling effect and easy operation , the effect of simple structure
Inactive Publication Date: 2018-01-09
侯鹏
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Problems solved by technology
The water cooling cylinder of the web gravure printing machine is an important part of the web gravure printing machine. The traditional web gravure printing machine water cooling cylinder has complex structure, cumbersome operation and poor practical performance.
Method used
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[0011] The present invention will be further described now in conjunction with accompanying drawing. These drawings are simplified schematic diagrams only to illustrate the basic structure of the present invention in a schematic way, so they only show the components relevant to the present invention.
[0012] Such as figure 1 The water-cooled cylinder of the web gravure printing machine shown includes a cylinder main body 6 with an interlayer 5, both ends of the cylinder main body 6 are mounted on the wall 2 through bearings 3, and the inner cavity of the cylinder main body 6 is provided with an inlet that communicates with the interlayer 5. Water channel 4 and return water channel 7; water inlet pipe 1 is installed on the drum main body 6, and water inlet pipe 1 communicates with water inlet channel 4; A water return pipe 8 is connected between them, and a water outlet 11 is provided on the water receiving tank 9 .
[0013] The water inlet pipe 1 is set through the water re...
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The invention relates to the technical field of accessories of a roll paper intaglio printing press, in particular to a water cooling roller of the roll paper intaglio printing press. The water cooling roller of the roll paper intaglio printing press comprises a roller body with an interlayer. The two ends of the roller body are installed on walls through bearings. A water inlet passage and a water returning passage communicating with the interlayer are arranged in an inner cavity of the roller body. A water inlet pipe is installed on the roller body and communicates with the water inlet passage. A water receiving tank is installed outside the wall on one side. A water returning pipe is connected between the water receiving tank and the water returning passage. The water receiving tank isprovided with a water outlet. The water cooling roller of the roll paper intaglio printing press is simple in structure, reasonable in design, easy and convenient to operate and good in cooling effect. A paper tape is printed and dried, and then immediately cooled through the cooling roller. During cooling, cooling water is introduced through the water inlet pipe, sequentially passes through the water inlet passage, the interlayer, the water returning passage and the water returning pipe, and flows back into the water receiving tank, so that the surface temperature of printed paper is lowered.
Description
technical field [0001] The invention relates to the technical field of web gravure printing machine accessories, in particular to a water cooling cylinder of a web gravure printing machine. Background technique [0002] Gravure printing, referred to as gravure printing, is one of the four printing methods. Gravure printing is a direct printing method. It imprints the ink contained in the gravure pits directly onto the substrate. The shades of the printed picture are determined by the size and depth of the pits. If the pits are deep , it contains more ink, and the ink layer left on the substrate after embossing is thicker; on the contrary, if the pit is shallower, the amount of ink contained is less, and the ink layer left on the substrate after embossing Just thinner. The printing plate of gravure printing is composed of pits corresponding to the original graphics and the surface of the printing plate. When printing, the ink is filled into the pits, and the ink on the sur...
Claims
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Inventor 侯鹏
Owner 侯鹏