JP2015054510A5 - - Google Patents
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- JP2015054510A5 JP2015054510A5 JP2013191054A JP2013191054A JP2015054510A5 JP 2015054510 A5 JP2015054510 A5 JP 2015054510A5 JP 2013191054 A JP2013191054 A JP 2013191054A JP 2013191054 A JP2013191054 A JP 2013191054A JP 2015054510 A5 JP2015054510 A5 JP 2015054510A5
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- damper
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- 239000007788 liquid Substances 0.000 claims description 129
- 239000012530 fluid Substances 0.000 claims description 13
- 230000000875 corresponding Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 3
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Description
上記の課題を解決するため、本発明の請求項１に係る液体吐出ヘッドは、
液滴を吐出する複数のノズルと、
前記ノズルに通じる複数の個別液室、前記個別液室に通じる複数の流体抵抗部、前記流体抵抗部に通じる液導入部を形成する流路板と、
前記個別液室に液体を供給する共通液室を形成する共通液室部材と、
前記流路板と前記共通液室部材との間に配置された壁面部材と、を備え、
前記複数の個別液室はノズル配列方向に沿って配列され、
ノズル配列方向に並ぶ２つの前記個別液室にそれぞれ液体を供給する第１共通液室及び第２共通液室と、
前記第１共通液室から液体を導入し、前記流体抵抗部に通じる第１液導入部と、
前記第２共通液室から液体を導入し、前記流体抵抗部に通じる第２液導入部と、有し、
前記第１共通液室と前記第２共通液室とは、ノズル配列方向と直交する方向で、並んで配置され、
前記第２共通液室は、前記第１共通液室よりも前記個別液室の列から離れた位置に設けられ、
前記第２液導入部は、前記流路板の厚み方向で、前記第１液導入部と同じ位置に形成された流路部分と、前記第１液導入部と異なる位置に形成された流路部分を有し、
前記壁面部材には、前記第１共通液室の壁面を形成する変形可能なダンパ領域及び前記第２共通液室の壁面を形成する変形可能なダンパ領域を有し、
前記流路板の前記壁面部材側には、前記第１共通液室の壁面を形成するダンパ領域に対応する部分にダンパ室を形成する凹部と、前記第２共通液室の壁面を形成するダンパ領域に対応する部分にダンパ室を形成する凹部が形成されている
構成とした。
In order to solve the above-described problem, a liquid discharge head according to claim 1 of the present invention includes:
A plurality of Nozzle for discharging droplets,
A plurality of individual liquid chambers communicating with the nozzle, a plurality of fluid resistance portions communicating with the individual liquid chambers, and a flow path plate forming a liquid introduction portion communicating with the fluid resistance portions;
A common liquid chamber member for forming a common liquid chamber for supplying a liquid to the individual liquid chamber;
A wall surface member disposed between the flow path plate and the common liquid chamber member,
The plurality of individual liquid chambers are arranged along a nozzle arrangement direction,
A first common liquid chamber and a second common liquid chamber for supplying a liquid to each of the two individual liquid chambers arranged in the nozzle arrangement direction;
A first liquid introduction part for introducing liquid from the first common liquid chamber and leading to the fluid resistance part;
Introducing a liquid from the second common liquid chamber, and having a second liquid introduction part leading to the fluid resistance part,
The first common liquid chamber and the second common liquid chamber are arranged side by side in a direction orthogonal to the nozzle arrangement direction,
The second common liquid chamber is provided at a position farther from the row of the individual liquid chambers than the first common liquid chamber,
The second liquid introduction part includes a flow path part formed at the same position as the first liquid introduction part and a flow path formed at a position different from the first liquid introduction part in the thickness direction of the flow path plate. Has a part,
The wall member has a deformable damper region that forms a wall surface of the first common liquid chamber and a deformable damper region that forms a wall surface of the second common liquid chamber,
On the wall member side of the flow path plate, a recess that forms a damper chamber in a portion corresponding to a damper region that forms the wall surface of the first common liquid chamber, and a damper that forms the wall surface of the second common liquid chamber It was set as the structure by which the recessed part which forms a damper chamber was formed in the part corresponding to an area | region.
そして、流路板２の振動板部材３側には、ダンパ領域５１Ａ、５１Ｂに対応してダンパ室５２Ａ、５２Ｂを形成する凹部をそれぞれ形成している。
And the recessed part which forms
Claims (9)
前記ノズルに通じる複数の個別液室、前記個別液室に通じる複数の流体抵抗部、前記流体抵抗部に通じる液導入部を形成する流路板と、
前記個別液室に液体を供給する共通液室を形成する共通液室部材と、
前記流路板と前記共通液室部材との間に配置された壁面部材と、を備え、
前記複数の個別液室はノズル配列方向に沿って配列され、
ノズル配列方向に並ぶ２つの前記個別液室にそれぞれ液体を供給する第１共通液室及び第２共通液室と、
前記第１共通液室から液体を導入し、前記流体抵抗部に通じる第１液導入部と、
前記第２共通液室から液体を導入し、前記流体抵抗部に通じる第２液導入部と、有し、
前記第１共通液室と前記第２共通液室とは、ノズル配列方向と直交する方向で、並んで配置され、
前記第２共通液室は、前記第１共通液室よりも前記個別液室の列から離れた位置に設けられ、
前記第２液導入部は、前記流路板の厚み方向で、前記第１液導入部と同じ位置に形成された流路部分と、前記第１液導入部と異なる位置に形成された流路部分を有し、
前記壁面部材には、前記第１共通液室の壁面を形成する変形可能なダンパ領域及び前記第２共通液室の壁面を形成する変形可能なダンパ領域を有し、
前記流路板の前記壁面部材側には、前記第１共通液室の壁面を形成するダンパ領域に対応する部分にダンパ室を形成する凹部と、前記第２共通液室の壁面を形成するダンパ領域に対応する部分にダンパ室を形成する凹部が形成されている
ことを特徴とする液体吐出ヘッド。 A plurality of Nozzle for discharging droplets,
A plurality of individual liquid chambers communicating with the nozzle, a plurality of fluid resistance portions communicating with the individual liquid chambers, and a flow path plate forming a liquid introduction portion communicating with the fluid resistance portions;
A common liquid chamber member for forming a common liquid chamber for supplying a liquid to the individual liquid chamber;
A wall surface member disposed between the flow path plate and the common liquid chamber member,
The plurality of individual liquid chambers are arranged along a nozzle arrangement direction,
A first common liquid chamber and a second common liquid chamber for supplying a liquid to each of the two individual liquid chambers arranged in the nozzle arrangement direction;
A first liquid introduction part for introducing liquid from the first common liquid chamber and leading to the fluid resistance part;
Introducing a liquid from the second common liquid chamber, and having a second liquid introduction part leading to the fluid resistance part,
The first common liquid chamber and the second common liquid chamber are arranged side by side in a direction orthogonal to the nozzle arrangement direction,
The second common liquid chamber is provided at a position farther from the row of the individual liquid chambers than the first common liquid chamber,
The second liquid introduction part includes a flow path part formed at the same position as the first liquid introduction part and a flow path formed at a position different from the first liquid introduction part in the thickness direction of the flow path plate. Has a part,
The wall member has a deformable damper region that forms a wall surface of the first common liquid chamber and a deformable damper region that forms a wall surface of the second common liquid chamber,
On the wall member side of the flow path plate, a recess that forms a damper chamber in a portion corresponding to a damper region that forms the wall surface of the first common liquid chamber, and a damper that forms the wall surface of the second common liquid chamber A liquid discharge head, wherein a recess for forming a damper chamber is formed in a portion corresponding to the region.
ことを特徴とする請求項１に記載の液体吐出ヘッド。 The damper chamber corresponding to the damper region forming the wall surface of the second common liquid chamber is a flow path formed at a position different from the first liquid introduction section in the thickness direction of the flow path plate of the second liquid introduction section. The liquid discharge head according to claim 1, wherein the liquid discharge head is formed between a portion and a damper region that forms a wall surface of the second common liquid chamber.
前記ノズルに通じる複数の個別液室、前記個別液室に通じる複数の流体抵抗部、前記流体抵抗部に通じる液導入部を形成する流路板と、
前記個別液室に液体を供給する共通液室を形成する共通液室部材と、
前記流路板と前記共通液室部材との間に配置された壁面部材と、を備え、
前記複数の個別液室はノズル配列方向に沿って配列され、
ノズル配列方向に並ぶ３つの前記個別液室にそれぞれ液体を供給する第１共通液室、第２共通液室及び第３共通液室と、
前記第１共通液室から液体を導入し、前記流体抵抗部に通じる第１液導入部と、
前記第２共通液室から液体を導入し、前記流体抵抗部に通じる第２液導入部と、
前記第３共通液室から液体を導入し、前記流体抵抗部に通じる第３液導入部と、有し、
前記第１共通液室、前記第２共通液室及び前記第３共通液室とは、ノズル配列方向と直交する方向で、並んで配置され、
前記第２共通液室は、前記第１共通液室よりも前記個別液室の列から離れた位置に設けられ、
前記第３共通液室は、前記第２共通液室よりも前記個別液室の列から離れた位置に設けられ、
前記第２液導入部及び前記第３液導入部は、前記流路板の厚み方向で、前記第１液導入部と同じ位置に形成された流路部分と、前記第１液導入部と異なる位置に形成された流路部分を有し、
前記壁面部材には、前記第１共通液室の壁面を形成する変形可能なダンパ領域、前記第２共通液室の壁面を形成する変形可能なダンパ領域及び前記第３共通液室の壁面を形成する変形可能なダンパ領域を有し、
前記流路板の前記壁面部材側には、前記第１共通液室の壁面を形成するダンパ領域に対応する部分にダンパ室を形成する凹部と、前記第２共通液室の壁面を形成するダンパ領域に対応する部分にダンパ室を形成する凹部と、前記第３共通液室の壁面を形成するダンパ領域に対応する部分にダンパ室を形成する凹部とが形成されている
ことを特徴とする液体吐出ヘッド。 A plurality of Nozzle for discharging droplets,
A plurality of individual liquid chambers communicating with the nozzle, a plurality of fluid resistance portions communicating with the individual liquid chambers, and a flow path plate forming a liquid introduction portion communicating with the fluid resistance portions;
A common liquid chamber member for forming a common liquid chamber for supplying a liquid to the individual liquid chamber;
A wall surface member disposed between the flow path plate and the common liquid chamber member,
The plurality of individual liquid chambers are arranged along a nozzle arrangement direction,
A first common liquid chamber, a second common liquid chamber, and a third common liquid chamber for supplying a liquid to each of the three individual liquid chambers arranged in the nozzle arrangement direction;
A first liquid introduction part for introducing liquid from the first common liquid chamber and leading to the fluid resistance part;
A second liquid introduction part for introducing liquid from the second common liquid chamber and leading to the fluid resistance part;
Introducing a liquid from the third common liquid chamber, and having a third liquid introduction part leading to the fluid resistance part,
The first common liquid chamber, the second common liquid chamber, and the third common liquid chamber are arranged side by side in a direction orthogonal to the nozzle arrangement direction,
The second common liquid chamber is provided at a position farther from the row of the individual liquid chambers than the first common liquid chamber,
The third common liquid chamber is provided at a position farther from the row of the individual liquid chambers than the second common liquid chamber,
The second liquid introduction part and the third liquid introduction part are different from the first liquid introduction part and the flow path part formed at the same position as the first liquid introduction part in the thickness direction of the flow path plate. Having a channel portion formed at a position;
The wall member is formed with a deformable damper region that forms a wall surface of the first common liquid chamber, a deformable damper region that forms a wall surface of the second common liquid chamber, and a wall surface of the third common liquid chamber. A deformable damper area that
On the wall member side of the flow path plate, a recess that forms a damper chamber in a portion corresponding to a damper region that forms the wall surface of the first common liquid chamber, and a damper that forms the wall surface of the second common liquid chamber A liquid comprising: a concave portion that forms a damper chamber in a portion corresponding to the region; and a concave portion that forms a damper chamber in a portion corresponding to the damper region that forms the wall surface of the third common liquid chamber. Discharge head.
前記第３共通液室の壁面を形成するダンパ領域に対応するダンパ室は、前記第３液導入部の前記流路板の厚み方向で前記第１液導入部と異なる位置に形成された流路部分と前記第３共通液室の壁面を形成するダンパ領域との間に形成されている
ことを特徴とする請求項３に記載の液体吐出ヘッド。 The damper chamber corresponding to the damper region forming the wall surface of the second common liquid chamber is a flow path formed at a position different from the first liquid introduction section in the thickness direction of the flow path plate of the second liquid introduction section. Formed between a portion and a damper region forming a wall surface of the second common liquid chamber,
The damper chamber corresponding to the damper region forming the wall surface of the third common liquid chamber is a flow path formed at a position different from the first liquid introduction section in the thickness direction of the flow path plate of the third liquid introduction section. The liquid discharge head according to claim 3, wherein the liquid discharge head is formed between a portion and a damper region forming a wall surface of the third common liquid chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013191054A JP6187070B2 (en) | 2013-09-13 | 2013-09-13 | Liquid ejection head and image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013191054A JP6187070B2 (en) | 2013-09-13 | 2013-09-13 | Liquid ejection head and image forming apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015054510A JP2015054510A (en) | 2015-03-23 |
| JP2015054510A5 true JP2015054510A5 (en) | 2017-08-10 |
| JP6187070B2 JP6187070B2 (en) | 2017-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013191054A Expired - Fee Related JP6187070B2 (en) | 2013-09-13 | 2013-09-13 | Liquid ejection head and image forming apparatus |
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| JP (1) | JP6187070B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2562444A (en) * | 2016-09-16 | 2018-11-21 | Xaar Technology Ltd | Droplet deposition head and actuator component therefor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001270103A (en) * | 2000-03-24 | 2001-10-02 | Seiko Epson Corp | Ink-jet recording head |
| JP2008030354A (en) * | 2006-07-31 | 2008-02-14 | Brother Ind Ltd | Liquid droplet discharge device |
| JP2008036988A (en) * | 2006-08-08 | 2008-02-21 | Brother Ind Ltd | Droplet ejector and method of manufacturing the same |
| JP4950628B2 (en) * | 2006-11-15 | 2012-06-13 | キヤノン株式会社 | Liquid discharge head |
| JP4869108B2 (en) * | 2007-03-01 | 2012-02-08 | 株式会社リコー | Liquid ejection head, liquid cartridge, and image forming apparatus |
| US7766463B2 (en) * | 2008-08-19 | 2010-08-03 | Xerox Corporation | Fluid dispensing subassembly with compliant film |
| JP2010076372A (en) * | 2008-09-29 | 2010-04-08 | Brother Ind Ltd | Liquid discharge head, and liquid delivery device equipped therewith |
| JP2010188614A (en) * | 2009-02-18 | 2010-09-02 | Fujifilm Corp | Recording head and image forming device |
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2013
- 2013-09-13 JP JP2013191054A patent/JP6187070B2/en not_active Expired - Fee Related
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