Inkjet printing nozzle, inkjet printing nozzle and inkjet printer
An inkjet printer and inkjet printing technology, which is applied in the field of inkjet printing nozzles, inkjet printers, and inkjet printing nozzles, can solve the problems of inability to form a single jet, instability of the electric field between the substrate and the printing nozzle, and inability to print, etc. question
Active Publication Date: 2021-12-03
GUANGDONG JUHUA PRINTING DISPLAY TECH CO LTD
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
[0003] In the case of a non-conductive substrate, even if the substrate is connected to an external power source, the charge on the non-conductive substrate will be in a state of accumulation and cannot be evacuated, which will cause the electric field between the substrate and the print head to be inconsistent. Stable, unable to form a stable single jet, it is impossible to print
Method used
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[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0036] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.
[0037] In the present in...
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Abstract
The invention discloses an inkjet printing nozzle, an inkjet printing nozzle and an inkjet printer, which are applied to an inkjet printer. The inner tube is provided with an ink flow port that communicates with the ink cavity; and an outer tube is sleeved on the inner tube and enclosed with the inner tube to form an isolation cavity, and the outer tube corresponds to the ink flow port An ink ejection port is opened, and a conductive layer is provided adjacent to the ink ejection port on the outer tube, and the conductive layer is used to be connected to the positive pole or the negative pole of the power supply. The inkjet printing nozzle proposed by the invention can realize electrofluid inkjet printing under the condition that the printing base material is non-conductive.
Description
technical field [0001] The invention relates to the technical field of printing, in particular to an inkjet printing nozzle, an inkjet printing nozzle and an inkjet printer. Background technique [0002] Electrofluid inkjet printing technology is a technology based on the principle of electrohydrodynamics to realize inkjet printing. When a conductive substrate is placed under the print nozzle, the print nozzle is connected to the positive pole of the power supply, and the conductive substrate is connected to the negative pole of the power supply. An electric field is established between the conductive substrates, and the effect of this electric field can induce the ink to deform at the nozzle of the print head. When the electric field force formed by the electric field is greater than the surface tension of the ink itself, a single jet will be formed, thereby achieving ink on the conductive substrate. print on . [0003] In the case of a non-conductive substrate, even if th...
Claims
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IPC IPC(8): B41J2/14
CPCB41J2/14B41J2/04B41J2002/041
Inventor 眭俊李哲黄航苏亮田亚蒙
Owner GUANGDONG JUHUA PRINTING DISPLAY TECH CO LTD