[go: up one dir, main page]

WO2015152186A1 - Procédé d'entraînement de tête à jet d'encre et appareil d'impression à jet d'encre - Google Patents

Procédé d'entraînement de tête à jet d'encre et appareil d'impression à jet d'encre Download PDF

Info

Publication number
WO2015152186A1
WO2015152186A1 PCT/JP2015/060018 JP2015060018W WO2015152186A1 WO 2015152186 A1 WO2015152186 A1 WO 2015152186A1 JP 2015060018 W JP2015060018 W JP 2015060018W WO 2015152186 A1 WO2015152186 A1 WO 2015152186A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive signal
droplet
pulse
driving
droplets
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2015/060018
Other languages
English (en)
Japanese (ja)
Inventor
諒平 小林
亜紀子 木澤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to EP15774447.5A priority Critical patent/EP3127705B1/fr
Priority to CN201580024427.8A priority patent/CN106457823B/zh
Priority to JP2016511902A priority patent/JP6497384B2/ja
Publication of WO2015152186A1 publication Critical patent/WO2015152186A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

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
    • B41J2/04581—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
    • B41J2/015—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
    • B41J2/04573—Timing; Delays
    • 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
    • B41J2/04588—Control methods or devices therefor, e.g. driver circuits, control circuits using a specific waveform
    • 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
    • B41J2/04593—Dot-size modulation by changing the size of the drop
    • 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
    • B41J2/04595—Dot-size modulation by changing the number of drops per dot
    • 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
    • B41J2202/10—Finger type piezoelectric elements

Definitions

  • the present inventor combined a relatively large droplet and a relatively small droplet.
  • the relationship between the droplet velocities and the timing for ejecting relatively small droplets it has been found that large dots can be formed on the medium and the generation of satellites can be suppressed. It came to.
  • (A) is a conceptual diagram of a droplet ejected by a first drive signal
  • (b) is a conceptual diagram of a droplet ejected by a second drive signal.
  • (A) is a figure explaining other examples of the 1st drive signal
  • (b) is a figure explaining other examples of the 2nd drive signal.
  • the transport mechanism 2 sandwiches a medium 7 made of paper, a plastic sheet, a fabric, or the like by a pair of transport rollers 22, and rotates the transport roller 21 by a transport motor 23 in the Y direction (sub-scanning direction). ).
  • An ink jet head (hereinafter simply referred to as a head) 3 is provided between the transport roller 21 and the transport roller pair 22.
  • the head 3 is mounted on the carriage 5 so that the nozzle surface side faces the recording surface 71 of the medium 7, and is electrically connected to the drive control unit 8 constituting the drive control means in the present invention via the flexible cable 6. It is connected.
  • 30 is a channel substrate.
  • a large number of narrow groove-like channels 31 and partition walls 32 are arranged in parallel so as to be alternately arranged.
  • a cover substrate 33 is provided on the upper surface of the channel substrate 30 so as to block all the channels 31 above.
  • a nozzle plate 34 is bonded to the end surfaces of the channel substrate 30 and the cover substrate 33. One end of each channel 31 communicates with the outside through a nozzle 341 formed in the nozzle plate 34.
  • drive electrodes are formed from the wall surfaces of the partition walls 32, 32 to the bottom surface.
  • a drive signal having a predetermined voltage is applied from the drive control unit 8 to the two drive electrodes arranged with the partition wall 32 in between
  • the partition wall 32 is bordered on the joint surface between the upper wall portion 321 and the lower wall portion 322. Shear deformation.
  • two adjacent partition walls 32 and 32 are shear-deformed in opposite directions, the volume of the channel 31 sandwiched between the partition walls 32 and 32 expands or contracts, and a pressure wave is generated inside. As a result, pressure for ejection is applied to the ink in the channel 31.
  • FIG. 3 is a diagram for explaining an example of a driving method for forming a large dot on the medium 7 by applying a plurality of driving signals within one pixel period in the present invention.
  • a plurality of drive signals applied within one pixel period T to the drive electrodes of the channel 31 corresponding to the nozzles 341 that discharge droplets are illustrated.
  • first drive signals PA are applied in succession, satellites can be suppressed, but only dots consisting of a total of 24 pl droplets can be formed. Further, in order to form dots composed of 36 pl droplets, it is necessary to apply six first drive signals PA in one pixel period T, so productivity is lowered. In addition, if only the second drive signal PB is continuously applied, the last ejected droplet is also a large droplet, so there is a concern about the generation of satellites. However, as in the present invention, one or more second drive signals PB are applied within one pixel period T, and at the end of a plurality of drive signals arranged in time series within the one pixel period T.
  • the diameter of the droplet 100 ejected by the first drive signal PA is smaller than the diameter of the nozzle 341.
  • the diameter of the droplet 200 ejected by the second drive signal PB is a diameter in a state where the first droplet 201 and the second droplet 202 are integrated into one large droplet. .
  • gradation representation is performed by applying N second drive signals PB within one pixel period T, and applying the first drive signal PA at least last, from the same nozzle 341.
  • a droplet is ejected to form a pixel composed of a droplet on the medium 7, and the number N of second drive signals PB applied is changed by an integer of 0 or more according to image data. This can be done by creating dots of different sizes on the media 7 and forming pixels with dots of various sizes on the media 7.
  • FIG. 11 shows an example of a driving method in the present invention in the case where gradation expression is performed using the first driving signal PA and the second driving signal PB described above.
  • Level 0 minimum gradation
  • Level 5 six levels of gradation (maximum gradation) are expressed. Level 0 is when no drive signal is applied.
  • the droplet velocities of the droplets ejected by the three second drive signals PB were 4.5 m / s, 5.0 m / s, and 5.5 m / s in order.
  • the droplet amounts of the droplets ejected by the three second drive signals PB were 9.5 pl (diameter 26 ⁇ m), 10 pl (diameter 26.5 ⁇ m), and 10.5 pl (diameter 26 ⁇ m) in this order. It was.

Landscapes

  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)

Abstract

L'objectif de la présente invention est de fournir un procédé d'entraînement de tête à jet d'encre et un appareil d'impression à jet d'encre qui peuvent supprimer la réduction de la productivité, tout en limitant l'apparition de satellites, et qui sont capables d'imprimer des images de haute qualité même lorsque de multiples gouttelettes sont déchargées dans une période d'un pixel afin de former un grand point sur le support. Le signal d'entraînement, lors de l'application d'une pression de décharge sur un liquide dans une chambre de pression en appliquant le signal d'entraînement sur un moyen de génération de pression pour décharger des gouttelettes depuis une buse, comprend au moins deux types de signaux d'entraînement, un premier signal d'entraînement (PA) pour décharger une gouttelette et un second signal d'entraînement (PB) pour décharger une grande gouttelette à une vitesse relativement plus lente qu'avec le premier signal d'entraînement (PA). Des pixels de points obtenus à partir de gouttelettes sur un support sont formés en appliquant N des seconds signaux d'entraînement (PB) et en appliquant le premier signal d'entraînement (PA) au moins au niveau de l'extrémité d'une période d'un pixel pour décharger des gouttelettes provenant de la même buse ; N est un nombre entier au moins égal à 1.
PCT/JP2015/060018 2014-03-31 2015-03-30 Procédé d'entraînement de tête à jet d'encre et appareil d'impression à jet d'encre Ceased WO2015152186A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP15774447.5A EP3127705B1 (fr) 2014-03-31 2015-03-30 Procédé d'entraînement de tête à jet d'encre et appareil d'impression à jet d'encre
CN201580024427.8A CN106457823B (zh) 2014-03-31 2015-03-30 喷墨头的驱动方法以及喷墨记录装置
JP2016511902A JP6497384B2 (ja) 2014-03-31 2015-03-30 インクジェットヘッドの駆動方法及びインクジェット記録装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-073970 2014-03-31
JP2014073970 2014-03-31

Publications (1)

Publication Number Publication Date
WO2015152186A1 true WO2015152186A1 (fr) 2015-10-08

Family

ID=54240507

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/060018 Ceased WO2015152186A1 (fr) 2014-03-31 2015-03-30 Procédé d'entraînement de tête à jet d'encre et appareil d'impression à jet d'encre

Country Status (4)

Country Link
EP (1) EP3127705B1 (fr)
JP (1) JP6497384B2 (fr)
CN (1) CN106457823B (fr)
WO (1) WO2015152186A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020170437A1 (fr) * 2019-02-22 2020-08-27 コニカミノルタ株式会社 Procédé d'entraînement d'une tête d'éjection de gouttelettes de liquide
JP2020152070A (ja) * 2019-03-22 2020-09-24 東芝テック株式会社 液体吐出ヘッド及び液体吐出装置
CN114619760A (zh) * 2020-12-11 2022-06-14 东芝泰格有限公司 喷墨头

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110861410B (zh) * 2018-08-28 2021-11-19 东芝泰格有限公司 液体喷出装置以及图像形成装置
JP7113713B2 (ja) * 2018-10-02 2022-08-05 東芝テック株式会社 液体吐出ヘッド
JP2021020338A (ja) * 2019-07-25 2021-02-18 理想科学工業株式会社 インクジェット印刷装置
JP2021070880A (ja) 2019-10-30 2021-05-06 セイコーエプソン株式会社 インクジェット記録方法
JP7500269B2 (ja) 2020-05-15 2024-06-17 東芝テック株式会社 液体吐出ヘッド及び液体吐出装置
JP2022135692A (ja) * 2021-03-05 2022-09-15 東芝テック株式会社 液滴吐出ヘッド及びその駆動回路とプリンタ
JPWO2023047769A1 (fr) * 2021-09-24 2023-03-30

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000085158A (ja) * 1998-09-11 2000-03-28 Matsushita Electric Ind Co Ltd インクジェット記録装置及び記録方法
JP2000198226A (ja) * 1998-10-27 2000-07-18 Matsushita Electric Ind Co Ltd インクジェット印刷機
JP2001301207A (ja) * 2000-04-26 2001-10-30 Konica Corp インク滴噴射装置
JP2004188932A (ja) * 2002-12-13 2004-07-08 Sharp Corp インクジェットヘッドの駆動方法
JP2005074651A (ja) * 2003-08-28 2005-03-24 Toshiba Tec Corp インクジェット式記録装置
JP2011031442A (ja) * 2009-07-31 2011-02-17 Riso Kagaku Corp インクジェット記録装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6513915B1 (en) * 1998-10-27 2003-02-04 Matsushita Electric Industrial Co., Ltd. Variable dot ink-jet printer
JP5440392B2 (ja) * 2010-05-31 2014-03-12 コニカミノルタ株式会社 インクジェット記録装置
JP5867072B2 (ja) * 2011-12-27 2016-02-24 コニカミノルタ株式会社 液滴射出装置及び液滴射出装置の駆動方法
JP5861513B2 (ja) * 2012-03-14 2016-02-16 コニカミノルタ株式会社 インクジェット記録装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000085158A (ja) * 1998-09-11 2000-03-28 Matsushita Electric Ind Co Ltd インクジェット記録装置及び記録方法
JP2000198226A (ja) * 1998-10-27 2000-07-18 Matsushita Electric Ind Co Ltd インクジェット印刷機
JP2001301207A (ja) * 2000-04-26 2001-10-30 Konica Corp インク滴噴射装置
JP2004188932A (ja) * 2002-12-13 2004-07-08 Sharp Corp インクジェットヘッドの駆動方法
JP2005074651A (ja) * 2003-08-28 2005-03-24 Toshiba Tec Corp インクジェット式記録装置
JP2011031442A (ja) * 2009-07-31 2011-02-17 Riso Kagaku Corp インクジェット記録装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020170437A1 (fr) * 2019-02-22 2020-08-27 コニカミノルタ株式会社 Procédé d'entraînement d'une tête d'éjection de gouttelettes de liquide
JPWO2020170437A1 (ja) * 2019-02-22 2021-12-16 コニカミノルタ株式会社 液滴吐出ヘッドの駆動方法
JP7188551B2 (ja) 2019-02-22 2022-12-13 コニカミノルタ株式会社 液滴吐出ヘッドの駆動方法
JP2020152070A (ja) * 2019-03-22 2020-09-24 東芝テック株式会社 液体吐出ヘッド及び液体吐出装置
CN114619760A (zh) * 2020-12-11 2022-06-14 东芝泰格有限公司 喷墨头
CN114619760B (zh) * 2020-12-11 2023-08-18 东芝泰格有限公司 喷墨头

Also Published As

Publication number Publication date
CN106457823A (zh) 2017-02-22
EP3127705A4 (fr) 2017-11-08
CN106457823B (zh) 2018-09-04
EP3127705A1 (fr) 2017-02-08
JP6497384B2 (ja) 2019-04-10
JPWO2015152186A1 (ja) 2017-04-13
EP3127705B1 (fr) 2020-11-04

Similar Documents

Publication Publication Date Title
JP6497384B2 (ja) インクジェットヘッドの駆動方法及びインクジェット記録装置
JP6497383B2 (ja) インクジェットヘッドの駆動方法及びインクジェット記録装置
US7988247B2 (en) Ejection of drops having variable drop size from an ink jet printer
JP6624205B2 (ja) インクジェット記録装置、インクジェットヘッドの駆動方法及び駆動波形の設計方法
JP6848976B2 (ja) インクジェット記録装置及びインクジェット記録方法
JP6575534B2 (ja) 液滴吐出ヘッドの駆動方法及び液滴吐出装置
JP4765491B2 (ja) インクジェット式記録ヘッドの駆動方法及びインクジェット式記録ヘッド並びに画像記録装置
JP5459695B2 (ja) インクジェット記録装置及びインクジェット記録方法
JP2015168187A (ja) 液体吐出装置及び液体吐出ヘッドの駆動方法
JP2011037260A (ja) インクジェット記録装置
JP5440392B2 (ja) インクジェット記録装置
JP4474987B2 (ja) 液滴吐出ヘッドの駆動方法
JP4474988B2 (ja) 液滴吐出ヘッドの駆動方法
JP5304498B2 (ja) インクジェット記録装置
JP2007210348A (ja) インク滴噴射装置
JP2016087918A (ja) インクジェットヘッドの駆動方法及びインクジェット記録装置
JP5733354B2 (ja) 液滴吐出ヘッドの駆動装置および駆動方法ならびに画像形成装置
WO2007063671A1 (fr) Procede d'entrainement d'une tete a jet d'encre piezoelectrique et imprimante a jet d'encre

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15774447

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2016511902

Country of ref document: JP

Kind code of ref document: A

REEP Request for entry into the european phase

Ref document number: 2015774447

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2015774447

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE