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Method, mechanism, and device for maintaining inkjet head

A technology of inkjet nozzle and maintenance mechanism, which is applied in printing and other directions, can solve the problems of high-priced ink consumption, poor fluidity, time-consuming, etc., and achieve the effect of reducing ink consumption and shortening time

Active Publication Date: 2010-03-17
MUSASHI ENG INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In the case of inks that contain solid parts such as pigments, since inks with high viscosity have poor fluidity, it takes time to fill, and a large amount of expensive ink must be consumed for maintenance.

Method used

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  • Method, mechanism, and device for maintaining inkjet head
  • Method, mechanism, and device for maintaining inkjet head
  • Method, mechanism, and device for maintaining inkjet head

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0095] figure 1 It is a structural diagram of the maintenance mechanism of the inkjet coating apparatus of this Example.

[0096] The inkjet head 1 has a plurality of nozzles 6 and ejects the ink 31 stored in the first tank 11 communicated by the communicating member 9 to perform printing or the like. The maintenance of the inkjet nozzle 1 is to cover the nozzle 6 by the cover body 2, so that a negative pressure is generated in the cover body 2, and the sucked ink and the like are discharged into the waste liquid tank 14 communicated with the cover body 2 by the communication member 9. carried out in. The contact between the cover body 2 and the inkjet head 1 is automatically performed by the cover body opening and closing assembly 3 . The cover body opening and closing assembly 3 can make the inkjet nozzle 1 relatively move, and also can make the cover body 2 move relatively. In addition, depending on the industrial field, the opening and closing of the lid body 2 may be p...

Embodiment 2

[0118] Figure 5 is a structural diagram of the maintenance mechanism of this embodiment, Image 6 It is a schematic perspective view of a desktop inkjet coating device equipped with the maintenance mechanism of this embodiment.

[0119] The device of this embodiment is as Image 6 As shown, three inkjet heads 1 arranged in the Y direction are arranged on the Z direction moving unit 64 . The table 61 can move freely in the Y direction, and the Z direction moving unit 64 can move freely in the X direction by using the X direction moving unit 63 provided on the beam 62 . The three caps 2 are spaced apart and arranged to face the inkjet head 1 . Image 6 Among them, reference numeral 11 is a first tank storing ink 31 , reference numeral 12 is a second tank storing low-viscosity liquid 32 , and reference numeral 13 is a third tank storing solution 33 . in addition, Image 6 The waste liquid tank 14, the resupply application tank 18, the wiring of the motor system, and the pip...

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PUM

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Abstract

A method, mechanism, and device for maintaining an inkjet head, which can perform excellent application and in which ink discharge performance is recovered and come-out of a nozzle does not occur. [MEANS FOR SOLVING PROBLEMS] A maintenance method for drawing liquid by covering a nozzle of an inkjet head by a cap and generating a negative pressure, the method having a waste liquid tank for allowing the cap and negative pressure generation means to be communicated with each other, a low viscous liquid containing section communicating with the inkjet head, an ink containing section communicating with the inkjet head, and liquid selection means for allowing the inkjet head to be alternatively communicated with the low viscous liquid containing section or the ink containing section. In the maintenance method, mechanism, and device, the low viscous liquid containing section and the ink containing section are communicated with each other, a negative pressure is generated in the cap to fill the inkjet head with a low viscous liquid, and then the ink containing section and the inkjet head are communicated with each other to fill the inkjet head with ink.

Description

technical field [0001] The present invention relates to a method for filling an inkjet head with ink when installing / replacing an ink cartridge, or removing dust, dry ink, air bubbles, etc. from an inkjet head when printing is defective (hereinafter sometimes referred to as "maintenance") and Mechanisms and devices. Background technique [0002] In general, an inkjet recording device is provided with a maintenance mechanism in order to maintain ink ejection performance. It is known in the existing maintenance mechanism that the nozzle surface of the inkjet nozzle is covered with a cover, and then the negative pressure suction pump is operated, and the negative pressure suction is applied to the nozzle surface of the inkjet nozzle, and the inkjet nozzle is recovered from the side of the inkjet nozzle. waste ink. [0003] For example, the following structure is disclosed in Patent Document 1, including: a cover body covering the nozzle surface of the inkjet head, a negative ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/175B41J2/165
CPCB41J2/175B41J2/16552B41J2/1707B41J2/165
Inventor 生岛和正
Owner MUSASHI ENG INC