JP7545632B2 - 液体吐出装置 - Google Patents
液体吐出装置 Download PDFInfo
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- JP7545632B2 JP7545632B2 JP2020050844A JP2020050844A JP7545632B2 JP 7545632 B2 JP7545632 B2 JP 7545632B2 JP 2020050844 A JP2020050844 A JP 2020050844A JP 2020050844 A JP2020050844 A JP 2020050844A JP 7545632 B2 JP7545632 B2 JP 7545632B2
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- nozzle
- wiper
- ejection
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- unit
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04541—Specific driving circuit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04526—Control methods or devices therefor, e.g. driver circuits, control circuits controlling trajectory
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04581—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on piezoelectric elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/16535—Cleaning of print head nozzles using wiping constructions
- B41J2/16538—Cleaning of print head nozzles using wiping constructions with brushes or wiper blades perpendicular to the nozzle plate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/16535—Cleaning of print head nozzles using wiping constructions
- B41J2/16544—Constructions for the positioning of wipers
- B41J2/16547—Constructions for the positioning of wipers the wipers and caps or spittoons being on the same movable support
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/16552—Cleaning of print head nozzles using cleaning fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/1721—Collecting waste ink; Collectors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/16552—Cleaning of print head nozzles using cleaning fluids
- B41J2002/16558—Using cleaning liquid for wet wiping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/05—Heads having a valve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
Landscapes
- Coating Apparatus (AREA)
- Ink Jet (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Description
これにより、少ないダウンタイムで、高品質描画を継続して行うことができる。
1 キャリッジ(液体吐出ユニットの一例)
3 ワイパ(突出部、接触部の一例)
3A 第1のワイパ(第1の突出部の一例)
3B 第2のワイパ(第2の突出部の一例)
3H 上端面
4 ワイパユニット(移動部の一例)
5 洗浄液供給部
6 洗浄液回収部材(液体保持部、洗浄液保持部の一例)
7 ヘッド固定板、8H、8L ガイド板(筐体の一例)
8 筐体(保持部の一例)
12 洗浄液回収チューブ(可撓性の管の一例)
23 凸部(突出部の一例)
24 インク受け面(液体受け面の一例)
93 シリンダ
100 被描画物(対象物の一例)
101 X軸レール、102 Y軸レール、103 Z軸レール(保持部、ガイド部の一例)
230 コンプレッサ(加圧空気供給部の一例)
240 廃液タンク(洗浄液回収部の一例)
242 真空発生器(負圧発生部の一例)
300 ヘッド
302 ノズル(吐出口の一例)
302a ノズル面(液体吐出面の一例)
330 インクタンク(液体保持部の一例)
335 濃度検出部
500 制御部
702 描画対象物
830 レール
Claims (9)
- 対象物に向けて液体を吐出する吐出口と、
前記吐出口から吐出された前記液体を受ける液体受け面または前記吐出口に接触する接触部を保持し、前記液体受け面または前記接触部が前記吐出口に対向する位置と、前記液体受け面または前記接触部が前記吐出口に対向しない位置の間で、移動可能な移動部と、
前記吐出口を前記吐出する方向に移動可能に保持する保持部と、
前記吐出口と前記移動部と前記保持部とを有する液体吐出ユニットと、
前記液体吐出ユニットを前記吐出する方向と直交する方向に移動可能に保持するガイド部と、
を備え、
前記移動部は、前記吐出口に対して前記吐出方向と直交する方向に移動可能である液体吐出装置。 - 前記移動部は、前記液体受け面および前記接触部を保持する請求項1記載の液体吐出装置。
- 前記吐出口を保持し、前記移動部を移動可能に支持する筐体を備えた請求項1または2記載の液体吐出装置。
- 前記筐体は、前記保持部であって、前記吐出する方向において、前記移動部に対して前記吐出口を移動可能に保持する請求項3記載の液体吐出装置。
- 前記吐出口を前記吐出する方向と直交する移動方向に移動させながら、前記吐出口から前記液体を吐出させる制御部を備え、
前記制御部は、前記吐出口を前記移動方向に移動させている途中で、第1の条件を満たす場合、前記吐出口を前記移動方向に移動させることを停止するとともに、前記吐出口から前記液体を吐出させることを停止し、その後、第2の条件を満たす場合、前記吐出口が前記移動方向に移動することを停止した停止位置から、前記吐出口を前記移動方向に移動させることを再開するとともに、前記吐出口から前記液体を吐出させることを再開する請求項1~4の何れか記載の液体吐出装置。 - 前記制御部は、前記吐出口を移動させることを停止した場合、前記吐出口を前記吐出する方向と反対方向に移動させるとともに、前記液体受け面または前記接触部が前記吐出口に対向する位置になるように、前記移動部を移動させる請求項5記載の液体吐出装置。
- 前記吐出口を有するヘッドを備え、
前記ヘッドは、液室と、前記液室と前記吐出口の間の流路を開閉する開閉部材と、前記開閉部材を駆動する圧電素子と、を収納するハウジングを備える請求項1~6の何れか記載の液体吐出装置。 - 前記吐出口は、前記対象物に向けて、重力方向と交差する方向に液体を吐出する請求項1~7の何れか記載の液体吐出装置。
- 前記液体吐出ユニットは、複数の前記吐出口を有し、
前記移動部は、前記液体受け面または前記接触部が前記複数の吐出口のうち第1の色に対応する第1の吐出口と前記第1の色とは異なる第2の色に対応する第2の吐出口とに対向する位置と、前記液体受け面または前記接触部が前記第1の吐出口及び前記第2の吐出口とに対向しない位置の間で、水平方向に移動可能である請求項1~8の何れか記載の液体吐出装置。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020050844A JP7545632B2 (ja) | 2020-03-23 | 2020-03-23 | 液体吐出装置 |
| US17/209,262 US11724492B2 (en) | 2020-03-23 | 2021-03-23 | Liquid discharge apparatus |
| JP2024143219A JP2024161086A (ja) | 2020-03-23 | 2024-08-23 | 液体吐出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020050844A JP7545632B2 (ja) | 2020-03-23 | 2020-03-23 | 液体吐出装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024143219A Division JP2024161086A (ja) | 2020-03-23 | 2024-08-23 | 液体吐出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2021146676A JP2021146676A (ja) | 2021-09-27 |
| JP7545632B2 true JP7545632B2 (ja) | 2024-09-05 |
Family
ID=77747333
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020050844A Active JP7545632B2 (ja) | 2020-03-23 | 2020-03-23 | 液体吐出装置 |
| JP2024143219A Pending JP2024161086A (ja) | 2020-03-23 | 2024-08-23 | 液体吐出装置 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024143219A Pending JP2024161086A (ja) | 2020-03-23 | 2024-08-23 | 液体吐出装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US11724492B2 (ja) |
| JP (2) | JP7545632B2 (ja) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11597221B2 (en) | 2020-10-06 | 2023-03-07 | Ricoh Company, Ltd. | Liquid discharge apparatus |
| EP3984760B1 (en) | 2020-10-14 | 2024-12-18 | Ricoh Company, Ltd. | Liquid discharge apparatus and liquid discharge method |
| US11884065B2 (en) | 2020-10-30 | 2024-01-30 | Ricoh Company, Ltd. | Liquid discharge apparatus and liquid discharge method |
| JP2023039522A (ja) | 2021-09-09 | 2023-03-22 | 日本トムソン株式会社 | 軸受 |
| JP7748618B2 (ja) * | 2021-11-15 | 2025-10-03 | 株式会社リコー | 液体吐出装置 |
| JP2023118643A (ja) * | 2022-02-15 | 2023-08-25 | 株式会社リコー | 液体吐出ヘッド、液体吐出装置 |
| JP7823452B2 (ja) * | 2022-03-23 | 2026-03-04 | 株式会社リコー | 液体吐出装置、液体吐出システム及び液体吐出装置の洗浄方法。 |
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| US20210291514A1 (en) | 2021-09-23 |
| JP2024161086A (ja) | 2024-11-15 |
| US11724492B2 (en) | 2023-08-15 |
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