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Liquid circulation module, liquid discharging apparatus, and liquid discharging method

A technology of liquid circulation and liquid nozzles, which is applied in printing devices, printing, etc., and can solve problems such as difficulty in ensuring liquid ejection performance and difficulty in initial filling processing

Inactive Publication Date: 2018-06-29
TOSHIBA TEC KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In such a liquid circulation module and a liquid ejection device, it may be difficult for the supply pump to suck up the liquid from an empty state to the initial filling process of the pump, and it is difficult to ensure stable liquid ejection performance.

Method used

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  • Liquid circulation module, liquid discharging apparatus, and liquid discharging method
  • Liquid circulation module, liquid discharging apparatus, and liquid discharging method
  • Liquid circulation module, liquid discharging apparatus, and liquid discharging method

Examples

Experimental program
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Embodiment Construction

[0025] Hereinafter, for the liquid circulation module 10 and the inkjet recording apparatus 1 including the liquid circulation module 10 according to one embodiment, refer to Figure 1 to Figure 15 Be explained. In each figure, the configuration is appropriately enlarged, reduced, or omitted for explanation. figure 1 is a side view of the inkjet recording apparatus 1, figure 2 is a top view. image 3 as well as Figure 4 is a perspective view of the liquid circulation module 10, Figure 5 It is an explanatory diagram of the liquid circulation module 10 .

[0026] figure 1 and figure 2 The inkjet recording apparatus 1 shown has a plurality of liquid circulation modules 10, a head support mechanism 11 that movably supports the liquid circulation modules 10, a medium support mechanism 12 that moves and supports the recording medium S, a maintenance unit 13, The interface unit 14 and the control unit 15 .

[0027] A plurality of liquid circulation modules 10 are arranged...

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PUM

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Abstract

The invention provides a liquid circulation module, a liquid discharging apparatus and a liquid discharging method that ensure a stable liquid discharging performance. According to one embodiment, a liquid circulation module includes a supply container connected with a liquid supply room containing liquid that is supplied to a liquid nozzle, and the supply container keeps the liquid supplied by the supply room; the module also comprises a supply pump used for conveying liquid from the supply container to the supply room, and a control portion executing first and second supply processes; the first supply process drives the supply pump under a first driving condition; after the first supply process, the second supply process drives the supply pump under a second driving condition different from the first driving condition.

Description

technical field [0001] Embodiments of the present invention relate to a liquid circulation module, a liquid ejection device, and a liquid ejection method. Background technique [0002] There is known a liquid ejection device in which a liquid ejection head for ejecting a liquid and a liquid tank for accommodating the liquid supplied to the ejection head are provided, and the liquid is circulated in a circulation path connecting the liquid ejection head and the liquid tank With circulation type liquid circulation module. Such a circulation type liquid circulation module and liquid ejection device include a supply pump for supplying ink from a liquid tank to the device, and a circulation pump for circulating the liquid in a circulation path including the liquid ejection head and the circulation device. As the supply pump or the circulation pump, for example, a diaphragm-type piezoelectric pump mounted with a piezoelectric vibrating plate can be used. In such a liquid circula...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/045B41J2/175B41J29/38
CPCB41J2/045B41J2/17503B41J29/38B41J2/175B41J2/17596B41J2/18B41J2/14201B41J2/17566
Inventor 村田弘兼古佳明大津和彦
Owner TOSHIBA TEC KK
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