Ink-jet printing head and ink-jet printer

An inkjet printing head and nozzle technology, applied in printing and other directions, can solve the problems of affecting the jetting action of adjacent groove walls and not being able to act at the same time, and achieve the effect of simple structure, effective jetting action, and increased initial speed

Active Publication Date: 2014-01-08
广东金刚新材料有限公司 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing piezoelectric ceramic inkjet heads in the market, such as the British XAAR1001 GS6 and XAAR1001 GS12 inkjet heads with high market share, adopt the piezoelectric ceramic groove cutting process, through the shear deformation of the piezoelectric ceramic groove wall, Realize the extrusion action of ink, but

Method used

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  • Ink-jet printing head and ink-jet printer
  • Ink-jet printing head and ink-jet printer
  • Ink-jet printing head and ink-jet printer

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Embodiment Construction

[0054] In order to make the purpose, 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.

[0055] combine Figure 1 to Figure 12 , the present invention provides various embodiments of an inkjet printing head, comprising at least one ejection unit, a cover film adapted to the ejection unit, a piezoelectric ceramic actuator and a cover plate, a fluid inflow pipeline, The fluid flows out of the pipeline and the driving circuit device. The cover film, the piezoelectric ceramic actuator, the cover plate and the injection unit are sequentially connected from top to bottom. The cover film is an electrode of the piezoelectric ceramic brake, and also plays a role of protecting the piezoelectric ceramic brake. The cover plate provides physical support and a conductive channel for the piezoelectric ceramic actuator, and serves as another electrode of the piezo...

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Abstract

The invention discloses an ink-jet printing head which comprises at least one jetting unit, a cover film, a piezoelectric ceramic actuator, a cover plate, a fluid inflowing pipeline, a fluid outflowing pipeline and a driving circuit device. The cover film, the piezoelectric ceramic actuator and the cover plate are matched with the jetting unit, the piezoelectric ceramic actuator and the cover plate are connected to form a plurality of disconnected and independent piezoelectric ceramic units, the cover plate is connected with the jetting unit, a plurality of fluid grooves are formed in the position, arranged on one side of the jetting unit, of the connecting contact face, the piezoelectric ceramic units correspond to grooves in the fluid grooves in position, the fluid grooves and the cover plate form a fluid channel, each fluid channel is correspondingly provided with at least one nozzle to be communicated with the exterior, and therefore the ink-jet printing head forms the side face or end face jetting. Correspondingly, the invention further discloses an ink-jet printer. According to the ink-jet printing head and the ink-jet printer, on the premise that the deformation amount of the piezoelectric ceramic actuator can be increased, and the effective jetting motion of the large-particle-size ink is achieved, the adjacent nozzles can conduct simultaneous motion, therefore all the nozzles can work at the same time, and the working efficiency is improved.

Description

technical field [0001] The invention relates to the field of inkjet printing, in particular to an inkjet printing head and an inkjet printer suitable for inkjet printing, glaze decoration and biopharmaceuticals. Background technique [0002] At present, there are many types of ink nozzles and glaze nozzles driven by piezoelectric ceramics, but usually this type of inkjet print head (referred to as the nozzle) is separated from the ink cartridge for the convenience of replacement and cost reduction, and there is no need to replace the nozzle when changing the ink cartridge , so the nozzle is used for a long time, and the ink and impurities deposited in the ink chamber for a long time will easily cause the blockage of the fluid groove or nozzle, which has become a bottleneck problem that limits the life of the nozzle based on piezoelectric ceramic drive. Therefore, in recent years, many innovative designs have considered or pursued how to avoid the clogging of nozzles, so as t...

Claims

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Application Information

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IPC IPC(8): B41J2/14
CPCB41J2202/12B41J2/14233
Inventor 冯斌周梅禇祥诚黄大任
Owner 广东金刚新材料有限公司
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