Droplet jetting device and method

A liquid droplet spraying and liquid droplet technology, applied in printing and other directions, can solve the problems of reduced efficiency, high maintenance cost, liquid leakage, etc., and achieve the effects of ensuring sealing and stability, low maintenance cost, and simple structure

Pending Publication Date: 2020-12-01
浙江清科博动医疗科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] A common inkjet printer includes a paper feeding mechanism, a character carriage structure, and a main control circuit. The core components of all the above-mentioned inkjet printers include an inkjet mechanism. , the ink is not easy to control, it is easy to cause problems such as liquid leakage, efficiency drop, environmental pollution, etc. The most important thing is that the heating parts are difficult to process and the maintenance cost is high

Method used

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  • Droplet jetting device and method

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Embodiment Construction

[0021] The present invention provides a droplet spraying device and method, which will be further described below in conjunction with the accompanying drawings.

[0022] Such as figure 1 Shown is a schematic diagram of the structure of the droplet ejection device, in which the droplet ejection device includes a cavitation generator, a cavity, a cover plate and a nozzle; the cavitation generator is arranged on the cover plate 3, and the cavitation generator is controlled by the power controller , L-shaped electrode holder, positive electrode and negative electrode; the cavitation generator generates cavitation in the cavity; the liquid surface breaking jet caused by the cavitation behavior near the liquid surface completes the launch and delivery of droplets; the bottom of cavity 1 There is a liquid injection port 8, which is used to control the inflow or outflow of liquid; the upper end of the cavity 1 is provided with a cover plate 3 and a nozzle 4, and the cover plate is use...

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Abstract

The invention discloses a droplet jetting device and method, and belongs to the field of ink-jet printing. The droplet jetting device comprises a cavitation generator, a cavity, a cover plate and a nozzle. The cavitation generator is arranged on the cover plate, a liquid injection port is formed in the bottom of the cavity, and the cover plate and the nozzle are arranged at the upper end of the cavity. According to the device, under a combined action of the cavitation generator and a power supply controller, droplet jetting and conveying are completed through a liquid level breaking jet flow caused by cavitation behaviors near a liquid level, droplet conveying in a liquid level breaking form is adopted, the droplet jetting device is simple, compact, safe and reliable in structure, under the combined action of the cavitation generator and the power supply controller, the droplet jetting and conveying are completed through the liquid level breaking jet flow caused by the cavitation behaviors near the liquid level, no heating device, mechanical structure and other components exist, and the sealing performance and stability of the device are guaranteed. Therefore, the device has the advantages of simple structure, convenience in processing, low maintenance cost, high efficiency, energy conservation and the like.

Description

technical field [0001] The invention belongs to the field of inkjet printing, in particular to a droplet ejection device and method. Background technique [0002] A printer is a device that emits liquids such as ink onto paper and other carriers. The common ones are inkjet printers, dot matrix printers, and laser printers. As a liquid emission device, inkjet printers play an important role in the fields of office and printing. character of. [0003] A common inkjet printer includes a paper feeding mechanism, a character carriage structure, and a main control circuit. The core components of all the above-mentioned inkjet printers include an inkjet mechanism. , The ink is not easy to control, and it is easy to cause problems such as liquid leakage, efficiency drop, environmental pollution, etc. The most important thing is that the heating parts are difficult to process and the maintenance cost is high. Contents of the invention [0004] The object of the present invention ...

Claims

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Application Information

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IPC IPC(8): B41J2/14
CPCB41J2/14016
Inventor 刘树红李博左志钢
Owner 浙江清科博动医疗科技有限公司
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