JP2011143331A5

JP2011143331A5 -

Info

Publication number: JP2011143331A5
Application number: JP2010004257A
Authority: JP
Filing date: 2010-01-12
Publication date: 2012-08-09
Anticipated expiration: 2030-01-12

Description

すなわち本発明は、以下に示すインクジェットヘッド、およびそれを具備するインクジェット装置に関する。
[１]外部からインクを供給するための供給口を有するインク供給流路と；前記インク供給流路に連通し、インクを吐出するためのノズルを有する複数のインク室と；前記インク室のそれぞれに配置されたアクチュエータと、を有するインクジェットヘッドであって、
前記インク供給流路の流路断面積は、前記供給口から離れるにしたがって前記インク供給流路の深さが浅くなることで減少し、かつ前記インク供給流路の側壁の一部は、ダイヤフラムで構成されている、インクジェットヘッド。
[２]外部からインクを供給するための供給口および外部へインクを排出するための排出口を有するインク供給流路と；前記インク供給流路に連通し、インクを吐出するためのノズルを有する複数のインク室と；前記インク室のそれぞれに配置されたアクチュエータと、を有するインクジェットヘッドであって、
前記インク供給流路の流路断面積は、前記供給口から離れるにしたがって前記インク供給流路の深さが浅くなることで減少し、かつ前記インク供給流路の側壁の一部は、ダイヤフラムで構成されている、インクジェットヘッド。
[３]外部からインクを供給するための供給口を有するインク供給流路と；外部にインクを排出するための排出口を有するインク排出流路と；前記インク供給流路および前記インク排出流路に連通し、インクを吐出するためのノズルを有する複数のインク室と；前記インク室のそれぞれに配置されたアクチュエータと、を有するインクジェットヘッドであって、
前記インク供給流路の流路断面積は、前記供給口から離れるにしたがって前記インク供給流路の深さが浅くなることで減少し、かつ前記インク供給流路の側壁の一部は、ダイヤフラムで構成されている、インクジェットヘッド。
That is, the present invention relates to the following inkjet head and an inkjet apparatus including the inkjet head.
[1] An ink supply channel having a supply port for supplying ink from the outside; a plurality of ink chambers communicating with the ink supply channel and having nozzles for discharging ink; and each of the ink chambers An ink jet head comprising:
The flow path cross-sectional area of the ink supply flow path decreases as the depth of the ink supply flow path decreases as the distance from the supply port increases, and a part of the side wall of the ink supply flow path is a diaphragm. An inkjet head configured .
[2] An ink supply channel having a supply port for supplying ink from outside and a discharge port for discharging ink to the outside; and a nozzle for communicating with the ink supply channel and discharging ink An inkjet head having a plurality of ink chambers; and an actuator disposed in each of the ink chambers,
The flow path cross-sectional area of the ink supply flow path decreases as the depth of the ink supply flow path decreases as the distance from the supply port increases, and a part of the side wall of the ink supply flow path is a diaphragm. An inkjet head configured .
[3] An ink supply channel having a supply port for supplying ink from the outside; an ink discharge channel having a discharge port for discharging ink to the outside; the ink supply channel and the ink discharge channel A plurality of ink chambers having nozzles for discharging ink; and an actuator disposed in each of the ink chambers;
The flow path cross-sectional area of the ink supply flow path decreases as the depth of the ink supply flow path decreases as the distance from the supply port increases, and a part of the side wall of the ink supply flow path is a diaphragm. An inkjet head configured .

[４]前記ダイヤフラムは、振動可能な金属膜または樹脂膜である、[１]〜[３]のいずれか一項に記載のインクジェットヘッド。
[５]前記インク排出流路の流路断面は、前記排出口から離れるにしたがって前記インク排出流路の深さが浅くなることで減少している、[３]に記載のインクジェットヘッド。
[６]前記[１]〜[５]のいずれかに記載のインクジェットヘッドを具備するインクジェット装置。
[4] The inkjet head according to any one of [1] to [3], wherein the diaphragm is a vibrating metal film or resin film.
[5] The ink jet head according to [3], wherein the cross section of the ink discharge channel decreases as the depth of the ink discharge channel decreases as the distance from the discharge port increases.
[6] An ink jet apparatus comprising the ink jet head according to any one of [1] to [5].

Claims

An ink supply channel having a supply port for supplying ink from the outside; a plurality of ink chambers communicating with the ink supply channel and having nozzles for ejecting ink; and disposed in each of the ink chambers An inkjet head comprising:
The flow path cross-sectional area of the ink supply flow path decreases as the depth of the ink supply flow path decreases as the distance from the supply port increases, and a part of the side wall of the ink supply flow path is a diaphragm. An inkjet head configured .

An ink supply channel having a supply port for supplying ink from outside and a discharge port for discharging ink to the outside; and a plurality of inks having nozzles for communicating with the ink supply channel and for discharging ink An inkjet head comprising: a chamber; and an actuator disposed in each of the ink chambers,
The flow path cross-sectional area of the ink supply flow path decreases as the depth of the ink supply flow path decreases as the distance from the supply port increases, and a part of the side wall of the ink supply flow path is a diaphragm. An inkjet head configured .

An ink supply channel having a supply port for supplying ink from the outside; an ink discharge channel having a discharge port for discharging ink to the outside; and communicating with the ink supply channel and the ink discharge channel An inkjet head having a plurality of ink chambers having nozzles for ejecting ink; and an actuator disposed in each of the ink chambers,
The flow path cross-sectional area of the ink supply flow path decreases as the depth of the ink supply flow path decreases as the distance from the supply port increases, and a part of the side wall of the ink supply flow path is a diaphragm. An inkjet head configured .

The inkjet head according to claim 1, wherein the diaphragm is a vibrated metal film or a resin film.

4. The inkjet head according to claim 3, wherein the flow path cross section of the ink discharge flow path decreases as the depth of the ink discharge flow path decreases as the distance from the discharge port increases.

An ink jet apparatus comprising the ink jet head according to claim 1.