Inkjet printer

An inkjet printer and print head technology, applied in printing and other directions, can solve problems such as ineffectiveness and inability to use regulators, and achieve the effect of reducing costs

Active Publication Date: 2021-03-12
KISHU GIKEN INDS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] However, the second method needs to change the ink pressure, that is, the speed of the pump, so the regulator cannot be used
Therefore, although a damper and a check valve are connected in series to the piping in front of the nozzle to reduce the pulsation of the ink fluid, a sufficient effect cannot be achieved.

Method used

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Examples

Experimental program
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Embodiment Construction

[0049] Hereinafter, an inkjet printer according to an embodiment of the present invention will be described with reference to the drawings.

[0050]

[0051] figure 1 It is a piping diagram showing the inkjet printer according to the embodiment of the present invention, figure 2 yes means figure 1 Schematic diagram of the print head of the printer. in addition, image 3 yes means figure 1 The block diagram of the control system of the printer.

[0052] First, refer to figure 1 , to describe the configuration of the printer other than the print head, and then, refer to figure 2 , to explain the composition of the print head, and finally refer to image 3 , the configuration of the controller 1 will be described.

[0053] Such as figure 1 As shown in the piping diagram of , an inkjet printer (hereinafter referred to as "printer") 1 is composed of the following parts, namely: an ink cartridge 2 for storing ink 1, a print head 3 for ejecting ink to print on the surfac...

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PUM

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Abstract

The invention provides an inkjet printer, which adopts a method of reducing the pulsation of ink fluid by using a shock absorber and a one-way valve, and can achieve printing quality that is not inferior to the method of reducing the pulsation by using a regulator. The inkjet printer is provided with an ink cartridge (2), a print head (3), a recovery tank (51), and a pump (4) that transports ink between these components. On a pipe 5 connecting the ink cartridge (2) and the print head (3), a pulsation reduction mechanism (10) for reducing the pulsation of the ink fluid is installed. The pulsation reducing mechanism (10) is composed of a shock absorber (11), a static mixer (12) and a check valve (13).

Description

technical field [0001] The present invention relates to a continuous type inkjet printer, and more specifically, to an inkjet printer equipped with a mechanism for reducing ink fluid pulsation. Background technique [0002] Inkjet printers are roughly classified into a continuous type and an on demand type. Among them, a continuous type inkjet printer (hereinafter referred to as "CIJ") uses a pump to eject ink from the nozzle of the print head, and charges the ink droplet at the position where the ejected ink is separated into ink droplets, and uses bias The electrodes are used to deflect the trajectory of the charged ink droplet so that it hits the specified position on the recording surface. [0003] In CIJ, if the flight speed of the ink droplets ejected from the nozzle changes, the quality of printing will be deteriorated. In addition, the height of the characters is also inconsistent. Therefore, a certain flight speed is maintained to ensure the printing quality. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/01B41J2/17B41J2/175
CPCB41J2/01B41J2/1721B41J2/175B41J2/17556
Inventor 根崎大古田雄一
Owner KISHU GIKEN INDS
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