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Laser transfer printing press

A laser laser and printing machine technology, applied in rotary printing machines, printing machines, transfer printing, etc., can solve problems such as waste and film damage, and achieve the effects of prolonging life, reducing costs, and ensuring stability

Inactive Publication Date: 2013-09-18
SHANGHAI QIANYAN MACHINERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the film at the unwinding place is usually more than 4000 meters and the thickness of the film is only about 0.2mm, and the speed of the machine is generally about 6000 sheets per hour, so in the process of use, unless the operator is very careful, once the film breaks Wrinkles will cause tens of meters or even hundreds of meters of film damage and waste

Method used

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Embodiment Construction

[0031] In order to describe the technical content of the present invention more clearly, further description will be given below in conjunction with specific embodiments.

[0032] Such as figure 1 Shown is a schematic diagram of the working process of the laser transfer printing machine.

[0033] The paper coated with varnish enters the film pressing device from the right paper feeding belt, and is pressed together by the controllable eccentric roller to compound the paper and the pretreated film. After the two pass through the UV curing device together, the ink on the surface of the paper is cured. Then the paper is separated from the film, and then the paper is driven by the delivery belt into the delivery unit for collection, while the film is recycled in the upper part.

[0034] UV curing device generally refers to a device that uses ultraviolet rays to cure coatings, paints, inks and other substances.

[0035] Such as figure 2 Shown is the structural block diagram of ...

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Abstract

The invention relates to a laser transfer printing press. The laser transfer printing press comprises a paper conveyor belt, a film pressing device, a UV (Ultraviolet) solidification device and a paper collection belt. An object to be printed is input from the paper conveyor belt and output from the paper collection belt via the film pressing device and the UV solidification device. The laser transfer printing press further comprises a thin film splicing device, a rolling device and an unrolling device, wherein the thin film splicing device is used for changing an old pre-treated thin film into a new pre-treated thin film when a pre-treated thin film is needed to be changed, and the operative pre-treated thin film is laid on a closed loop formed by the thin film splicing device, the film pressing device and the UV solidification device. With the adoption of the structure, the laser transfer printing press can achieve that a thin film is reused by the film pressing device in an internal circulation way, prevents external dust from reaching the thin film and affecting the service life of the thin film, reduces the loss of the thin film, lowers the risk factor for workers, and is simple in structure and wider in application range.

Description

technical field [0001] The invention relates to the field of printing, in particular to the field of transfer printing, in particular to a laser transfer printing machine. Background technique [0002] Laser transfer printing refers to using a paper feeder, such as a feeder, to feed the printed paper into the machine, and after a set of printing and glazing units, sheet-fed offset printing, gravure or flexographic printing can be used to print on the surface of the printed matter. Full or partial coating of special UV varnish, and then the paper coated with varnish is conveyed into the film pressing unit through the paper conveyor chain and vacuum conveyor belt. A pretreatment film that can be continuously recycled is arranged inside the film pressing unit, and the film and paper are pressed together by a pressing roller with a water-cooling cycle, and the two are water-cooled by the UV curing device to cure the surface of the ink, and then the surface of the ink is cured T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41F16/00
Inventor 牛志纲
Owner SHANGHAI QIANYAN MACHINERY CO LTD
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