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Spray head cleaning and maintaining method and apparatus for digital spraying machine

A digital inkjet and nozzle technology, applied in printing and other directions, can solve the problems of inconvenient operation, unreasonable installation, poor maintenance effect, etc., and achieve the effect of simple structure, low production cost and good maintenance effect.

Inactive Publication Date: 2004-09-15
HANGZHOU HONGHUA DIGITAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention mainly solves the technical problems of inconvenient operation, low efficiency, complex structure and high cost of use existing in the prior art.
[0005] The invention also solves the technical problems of unreasonable cleaning and maintenance methods and devices of the existing digital inkjet printer nozzles, poor stability, and poor maintenance effects.

Method used

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  • Spray head cleaning and maintaining method and apparatus for digital spraying machine
  • Spray head cleaning and maintaining method and apparatus for digital spraying machine

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Embodiment 1

[0027] Embodiment 1: The cleaning and maintenance device of the patent of the present invention mainly includes three circuits: an ink circuit, a cleaning liquid circuit and an air circuit. One is the described ink circuit, which specifically can include: the ink in the main ink bottles of each color passes through the liquid flow pump and the ink filter, injects the ink of this color into the ink supply bottles 5 of each color as required, and in the ink supply A valve body 7 is also arranged between the bottle 5 and the spray nozzle 9, and this valve body can adopt a common three-way valve. One way of the three-way valve can allow ink to enter, and the other way can allow air to enter or cleaning liquid to enter.

[0028] The second is the cleaning liquid circuit: the cleaning liquid bottle is passed through the liquid flow pump and the cleaning liquid filter, and the cleaning liquid is connected to each nozzle 7 through the pipeline; between the cleaning liquid filter and t...

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PUM

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Abstract

The invention relates to a method to wash and maintain sprayer of digital spray painter as the device. It includes the following steps: when not using in a longer time or staying over, firstly adopting air to exhaust the ink in the sprayer and nearby pipeline; charging in washing liquor and then shutting off the digital spray painter to make the spray painter in a maintaining state; before spray painting, adopting compressed air to exhaust the washing liquor in the pipeline; pressing each color ink into corresponding sprayer. The compressed air passes through safety bottle, where one way of the compressed air passes through the total washing valve to be directly connected with the valve body adjacent to each sprayer; the other way passes through each color ink to be connected with the valve body adjacent to each sprayer by each ink injecting pipeline. It has reasonable structure, convenient operation, etc.

Description

technical field [0001] The invention relates to a method and a device for cleaning and maintaining a nozzle of a digital inkjet printer, in particular to a method and a device for cleaning and maintaining a nozzle of a digital inkjet printer using solvent-based ink. Background technique [0002] For digital inkjet printers using solvent-based ink, due to the high volatility of solvent-based ink, the ink is easy to dry, condense, and agglomerate on the nozzle, resulting in clogging of the nozzle hole, so that the ink cannot be ejected from the nozzle hole smoothly, resulting in serious Affects print quality. Therefore, it is necessary to clean and maintain the nozzle during the interval of printing to ensure the smoothness of each nozzle hole. Especially when you do not print for a long period of time, you need to maintain the nozzle well. If the ink remains in the nozzle, the ink will dry, condense, or even dry out in the nozzle hole, making it impossible to clear the nozzl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/165
Inventor 白燕涛
Owner HANGZHOU HONGHUA DIGITAL TECH
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