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inkjet recording device

An inkjet recording and inkjet head technology, which is applied to printing devices, printing, etc., can solve the problems of mixed dust and poor ejection, avoid the influence of pressure, protect the negative pressure forming part, and shorten the time.

Active Publication Date: 2015-11-25
KONICA MINOLTA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At this time, if the ink is mixed with dissolved gas, air bubbles, or foreign matter such as dust is mixed in the ink, it will become the cause of poor ejection. head for maintenance

Method used

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Examples

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Embodiment Construction

[0049] based on Figure 1 to Figure 13 An inkjet recording device 10 equipped with an ink supply device according to an embodiment of the present invention will be described. figure 1 It is a perspective view showing the entire inkjet recording device 10 .

[0050] The inkjet recording device 10 mainly has a conveying device 20 that conveys a recording medium in the horizontal direction, and a plurality of inkjet heads 3 that eject ink from the conveyed recording medium from above (refer to figure 2), the main scanning device 5 that transports the carriage 4 along the horizontal direction perpendicular to the conveying direction of the recording medium, the maintenance unit 7 that performs maintenance on each inkjet head 3 mounted on the carriage 4, and the The nozzle moisturizing unit 6 for moisturizing the nozzles 311 of each inkjet head 3 on the carriage 4, and the ink supply device 8 for supplying ink to each inkjet head 3 mounted on the carriage 4 (refer to Figure 4 )...

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PUM

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Abstract

This inkjet recording apparatus is provided with: a plurality of heads (3) that discharge the same color of ink onto a recording medium; an ink tank (84) that stores ink to be supplied to each of the plurality of heads; and a fluid delivery unit (850) that delivers ink from the ink tank to the head side. Each of the heads includes a manifold that is filled with ink and a first and a second ports (341, 342) in communication with the manifold (34) . Ink flow paths respectively connected to the first port and the second port of each head are fitted with open / close switchable valves (874, 875), and a control unit (9) that individually controls the opening and closing of the valves respectively connected to the first and the second ports of each head is provided. The heads can discharge ink individually such that maintenance can be performed quickly while ink consumption is suppressed.

Description

technical field [0001] The present invention relates to an inkjet recording device having an ink supply device for supplying ink to an inkjet head. Background technique [0002] As a recording device capable of forming images on various recording media such as plain paper and plastic sheets, there is an inkjet printer. An inkjet printer has an inkjet head that ejects ink from nozzle holes. An image is formed on the recording medium by ejecting ink as fine droplets from the nozzle holes of the inkjet head toward the recording medium. [0003] The inkjet head is connected to a cartridge storing ink, and ink is supplied from the cartridge to the inkjet head. [0004] At this time, if the ink is mixed with dissolved gas, air bubbles, or foreign matter such as dust is mixed in the ink, it will become the cause of poor ejection. head for maintenance. [0005] When maintaining the inkjet head, make the cover shell of the gland part that is arranged at the initial position close...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/175B41J2/18B41J2/185
CPCB41J2/175B41J2/17596B41J2/18B41J29/02B41J29/38B41J2002/1856
Inventor 简丽芳
Owner KONICA MINOLTA INC
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