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Airflow auxiliary electric jet printing spray-head integrated with grounding electrode

A technology of grounding electrodes and auxiliary electricity, which is applied in printing and other directions, can solve the problems of nozzles being unable to print, and achieve the effects of ensuring real-time observation, convenient operation, and improving centering accuracy

Active Publication Date: 2017-05-10
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of nozzle cannot print on insulating substrates or substrates with free-form surfaces

Method used

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  • Airflow auxiliary electric jet printing spray-head integrated with grounding electrode
  • Airflow auxiliary electric jet printing spray-head integrated with grounding electrode
  • Airflow auxiliary electric jet printing spray-head integrated with grounding electrode

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0025] see figure 1 and figure 2 , the air-assisted electrojet printing nozzle integrated with the ground electrode provided by the preferred embodiment of the present invention, the air-assisted electrojet printing nozzle includes a liquid inlet cylinder 1, a gas cover 2, a metal needle 3, a conductive wire 4, and a centering mechanism 5. Rubber gasket 6, glass cover 7, electrode cover 8 and...

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Abstract

The invention belongs to the field of electrofluid jet printing spray-head correlation technique, and discloses an airflow auxiliary electric jet printing spray-head integrated with a grounding electrode. The airflow auxiliary electric jet printing spray-head comprises a liquid inlet cylinder, a gas hood, a metal needle head, an electric lead, an electrode cover and an annular electrode. The liquid inlet cylinder is connected to the gas hood and is partially held in the gas hood; two ends of the gas hood connected with the liquid inlet cylinder and the electrode cover; one end of the metal needle head and the liquid inlet cylinder form threaded connection, and the other end of the metal needle head penetrates through the gas hood so as to stretch into the electrode cover; one end of the electric lead is connected to a high voltage power supply, and the other end of the electric lead penetrates through the liquid inlet cylinder so as to be connected to the metal needle head; the annular electrode is embedded into the electrode cover; and the grounding electrode is integrated into the airflow auxiliary electric jet printing spray-head through grounding. The airflow auxiliary electric jet printing spray-head provided by the invention is provided with the grounding electrode through arranging the annular electrode, so that a collecting substrate has no need to be grounded, and the application range and the flexibility are improved.

Description

technical field [0001] The invention belongs to the related technical field of electrofluid jet printing nozzles, and more specifically relates to an airflow assisted electrojet printing nozzle integrated with a ground electrode. Background technique [0002] Inkjet printing technology is an additive manufacturing method that can be well applied in the field of flexible manufacturing. Initially, inkjet printing technology was developed in graphic arts; now, inkjet printing technology has been well improved and has a wide range of applications in electronics, optics, bioengineering, etc. Inkjet printing equipment has been widely used in recent years due to its advantages of material saving, environmental friendliness, and simple operation. Traditional inkjet printing technology has disadvantages such as low printing resolution, droplet size limited by nozzle diameter, easy nozzle clogging, and complicated nozzle manufacturing process. Compared with traditional inkjet printi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/01
CPCB41J2/01
Inventor 黄永安刘宇钟瑞吴学洲
Owner HUAZHONG UNIV OF SCI & TECH
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