Laser ink-jetting head

An inkjet head and laser technology, applied in printing and other directions, can solve the problems of restricting the type and quality of media, high manufacturing cost of inkjet head, and the distance cannot be too large, and achieve the effects of low cost, fast injection speed and simple circuit.

Inactive Publication Date: 2011-04-20
韦翔
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, piezoelectric inkjet printers have many disadvantages, such as the high manufacturing cost and complex structure of the inkjet head, and because of the mechanical factors of piezoelectric extrusion and the process of refilling the ink droplets into the nozzle, the spraying of the nozzle The speed is slow; due to the particularity of the nozzle structure, the distance between the nozzle and the medium cannot be too large (generally less than 0.5cm), which limits the type and quality of the medium; if the piezoelectric print head is damaged or blocked, the entire print head Printers need repairs

Method used

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  • Laser ink-jetting head
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  • Laser ink-jetting head

Examples

Experimental program
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Effect test

Embodiment Construction

[0021] figure 1 According to the internal structure diagram of the inkjet part of the present invention, the ink chamber (4) is full of ink, and the ink enters from the ink inlet passage (3) in the small ink chamber (2) separated by the substrate (5), and the ink is pressurized from Jet out from the ink jet hole (1).

[0022] figure 2 It is a schematic structural view of the A--A cross-section of the ink-jet unit according to the present invention. The laser passes through the transparent body (6) and directly heats the ink in the small ink chamber (2) to generate thermal pressure, and the ink flows from the ink-ejection hole ( 1) directly sprayed out.

[0023] image 3 It is another structural diagram of the A--A section of the inkjet component of the present invention. The laser passes through the transparent body (6), does not directly heat the ink, but irradiates on the active component (7), and the active component (7) Absorb heat and heat up or produce deformation, ...

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PUM

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Abstract

The invention relates to a laser ink-jetting printing head. The main parts of the laser ink-jetting printing head comprise a laser generator, a laser deflecting part, an ink-jetting part, and the like. Laser is sequentially projected in all small ink chambers of the ink-jetting part after being deflected by the laser deflecting part and generates thermal pressure or dynamic pressure, and ink is jetted out by pressure. Compared with a thermal bubble type and piezoelectric type ink-jetting head, laser ink-jetting printing head has low technical requirement for the manufacture process, simple circuit, high jetting speed and lower cost, can be easily manufactured into the ink-jetting head with page width and is easy to realize high-precision printing.

Description

technical field [0001] The present invention relates to an inkjet head that ejects ink droplets. Usually, this inkjet head is used to be installed in an inkjet printer. Background technique [0002] The so-called inkjet printer is to form text or image by spraying ink droplets onto the printing medium. Early inkjet printers and current large-format inkjet printers all use continuous inkjet technology, while the current popular inkjet printers generally use random inkjet technology. [0003] At present, random inkjet technology mainly has two categories: micro piezoelectric type and thermal bubble type. [0004] Inkjet printers generally use thermal bubble inkjet technology, which sprays ink onto printing paper to form ink dots through the heating, expansion, and compression of ink in a short period of time. In addition to the size of the ink droplet, the shape and consistency of the ink droplet will have a significant impact on the image quality, and the direction and sha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/01B41J2/04
Inventor 韦翔
Owner 韦翔
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