JP2017124618A5

JP2017124618A5 -

Info

Publication number: JP2017124618A5
Application number: JP2016240450A
Authority: JP
Filing date: 2016-12-12
Publication date: 2019-12-26
Anticipated expiration: 2036-12-12

Description

本発明の液体吐出装置は、液体を吐出口する複数の吐出口を備える液体吐出ヘッドを有する液体吐出装置であって、前記複数の吐出口に連通する前記液体吐出ヘッドの複数の領域に液体を供給する供給路と、吐出データに基づいて前記液体吐出ヘッドから液体が吐出されるときに、前記複数の領域毎の液体流量のうちの少なくとも１つが所定量を越える場合に、前記領域毎の前記液体流量が前記所定量以下となるように、前記液体吐出ヘッドからの単位時間当たりの液体の吐出量を制御する制御手段と、を備えることを特徴とする。 The liquid ejection device of the present invention is a liquid ejection device having a liquid ejection head having a plurality of ejection ports for ejecting a liquid, wherein the liquid is ejected to a plurality of regions of the liquid ejection head communicating with the plurality of ejection ports. A supply path for supplying, and when the liquid is ejected from the liquid ejection head based on the ejection data, if at least one of the liquid flow rates of the plurality of areas exceeds a predetermined amount, the Control means for controlling a liquid discharge amount per unit time from the liquid discharge head so that the liquid flow rate is equal to or less than the predetermined amount.

Claims

A liquid ejection apparatus having a liquid ejection head including a plurality of ejection ports for ejecting liquid,
A supply path for supplying liquid to a plurality of regions of the liquid ejection head communicating with the plurality of ejection ports,
When liquid is ejected from the liquid ejection head based on ejection data, if at least one of the liquid flow rates in the plurality of areas exceeds a predetermined amount, the liquid flow rate in each area is increased by the predetermined amount. Control means for controlling a liquid discharge amount per unit time from the liquid discharge head, as follows:
A liquid ejection device comprising:

2. The liquid ejection apparatus according to claim 1, further comprising a calculation unit configured to calculate the liquid flow rate based on ejection data for ejecting the liquid from the plurality of ejection ports. 3.

A moving unit that relatively moves the liquid ejection head and a medium to which the liquid ejected from the liquid ejection head is applied,
The liquid ejecting apparatus according to claim 1, wherein the control unit controls an ejection frequency at which the liquid ejection head ejects liquid and a moving speed of the moving unit.

The liquid ejection device according to claim 1, wherein the supply path is provided for each of the plurality of regions.

4. The liquid ejection apparatus according to claim 1, wherein the region includes a region where the supply path is provided and a region where the supply path is not provided. 5.

The liquid supply apparatus according to claim 1, wherein the supply path is branched in units of the area corresponding to each of the plurality of discharge ports.

The plurality of outlets are arranged to form a plurality of outlet rows,
6. The liquid ejection apparatus according to claim 1, wherein the supply path is branched in units of the area corresponding to each of the ejection port arrays. 7.

The liquid discharge head includes a plurality of liquid discharge substrates on which the discharge ports are formed,
The liquid discharge device according to claim 1, wherein the supply path is branched in units of the region corresponding to each of the liquid discharge substrates.

The liquid discharge head includes a plurality of flow paths communicating with the plurality of discharge ports, and a plurality of openings communicating with a plurality of the plurality of flow paths,
The liquid ejection device according to claim 1, wherein the supply path is branched in units of the area corresponding to each of the openings.

The liquid discharge head includes a discharge energy generating element for discharging liquid, a pressure chamber having the discharge energy generating element therein, and a recovery path for recovering liquid from the pressure chamber,
The liquid discharging apparatus according to any one of claims 1 to 9, wherein the liquid discharging apparatus includes a circulating unit that circulates the liquid through the supply path, the pressure chamber, and the recovery path.

An ink jet recording apparatus comprising the liquid ejection apparatus according to any one of claims 1 to 10,
The liquid discharge head is an inkjet liquid discharge head capable of discharging liquid ink supplied through the supply path from the plurality of discharge ports,
The inkjet recording apparatus according to claim 1, further comprising a moving unit configured to relatively move the inkjet liquid ejection head and a recording medium to which ink ejected from the inkjet liquid ejection head is applied.

A liquid ejection method for ejecting liquid from a plurality of ejection ports of a liquid ejection head,
Supplying a liquid to each of a plurality of regions of the liquid ejection head communicating with the plurality of ejection ports through a plurality of supply paths corresponding to the plurality of regions;
When liquid is ejected from the liquid ejection head based on ejection data, if at least one of the liquid flow rates in the plurality of areas exceeds a predetermined amount, the liquid flow rate in each area is increased by the predetermined amount. Controlling the amount of liquid ejected per unit time from the liquid ejection head, as follows:
A liquid discharging method comprising: