JP2012144035A5 - - Google Patents
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- JP2012144035A5 JP2012144035A5 JP2011178514A JP2011178514A JP2012144035A5 JP 2012144035 A5 JP2012144035 A5 JP 2012144035A5 JP 2011178514 A JP2011178514 A JP 2011178514A JP 2011178514 A JP2011178514 A JP 2011178514A JP 2012144035 A5 JP2012144035 A5 JP 2012144035A5
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図２１（ａ），（ｂ）は、特許文献１に開示されたインクジェットヘッドの洗浄モード及び保湿モードを模式的に示した図である。また、図２１（ｃ）、（ｄ）は、特許文献１に開示された構成の課題を説明する図である。 Figure 21 (a), (b) is a diagram of the cleaning mode and moisturizing mode of the ink jet head disclosed in Patent Document 1 shown schematically. FIGS. 21C and 21D are diagrams for explaining the problems of the configuration disclosed in Patent Document 1. FIG.
特許文献２に開示された液滴吐出装置は、ノズル面から滲み出させたインクによりノズル面全体を湿潤させているので、洗浄液が用いられる場合と同様の洗浄効果を得ることが困難である。また、ノズル面を保湿するための構成を別途備える必要があり、装置が大型化してしまう。 Droplet ejection apparatus disclosed in Patent Document 2, since the wetted whole more nozzle surface ink was oozing out from the nozzle surface, it is difficult to obtain the same cleaning effect as the cleaning solution is used . Moreover, it is necessary to provide the structure for moisturizing a nozzle surface separately, and an apparatus will enlarge.
第１の態様によれば、インクジェットヘッドに対して、液体吐出面と所定の距離を有する洗浄液膜保持面との間に洗浄液を流すことで、液体吐出面の洗浄を行なうことができる。また、液体吐出面と対向する洗浄液貯留部を設けることで、洗浄液貯留部から蒸発した洗浄液により液体吐出面を保湿することができる。したがって、インクジェットヘッドに対しても効率良く、洗浄、保湿による保存を行なうことができる。そして、洗浄液膜保持面と洗浄液貯留部を液滴吐出面に対して、略平行に相対的に移動させることで、洗浄モードと保湿モードの切り替えを容易に行なうことができる。 According to the first aspect, the liquid discharge surface can be cleaned by flowing the cleaning liquid between the liquid discharge surface and the cleaning liquid film holding surface having a predetermined distance with respect to the ink jet head. Further, by providing the cleaning liquid reservoir facing the liquid ejection surface, it is possible to moisturizing liquid discharge surface by the cleaning liquid evaporated from the washing liquid reservoir. Accordingly, the ink jet head can be efficiently stored by washing and moisture retention. Then, the cleaning mode and the moisturizing mode can be easily switched by moving the cleaning liquid film holding surface and the cleaning liquid storage part relatively in parallel to the droplet discharge surface.
かかる態様によれば、保湿手段を洗浄液保持手段の下流側に設けることで、洗浄液膜保持面を流れる洗浄液を洗浄液貯留部に貯めることができる。したがって、液体吐出面の洗浄に用いた洗浄液を用いて液体吐出面の保湿を行なうため、洗浄液の再利用をすることができる。 According to this embodiment, the moisturizing means by providing the downstream side of the cleaning liquid holding means, it is possible to accumulate the cleaning liquid flowing through the cleaning liquid film holding surface to the cleaning liquid reservoir. Accordingly, since the liquid discharge surface is moisturized using the cleaning liquid used for cleaning the liquid discharge surface, the cleaning liquid can be reused.
かかる態様によれば洗浄液供給部から連続的に液体吐出面の洗浄を行なうことができる。また、供給した洗浄液は、傾斜の下流側に設けられた洗浄液貯留部に貯めることができる。 According to this aspect, the liquid discharge surface can be continuously cleaned from the cleaning liquid supply unit. Also, the supplied cleaning liquid can accumulate in the cleaning liquid storage section provided on the downstream side of the slope.
第７の態様は、第１から第６の態様のいずれかに係る液体吐出装置において、前記洗浄液貯留部は、前記液体吐出面と同じまたは広い開口部を有している。 A seventh aspect, the liquid ejection apparatus according to any one of the first to sixth aspects, the cleaning liquid storage portion has the same or wide opening and the liquid ejection surface.
かかる態様によれば、洗浄液貯留部が、インクジェットヘッドの液体吐出面と同じ、あるいは、それ以上の面積である（液体吐出面よりも広い）開口部を有するので、液体吐出面の保湿を効果的に行なうことができる。 According to this aspect, the cleaning liquid reservoir has an opening having the same area as or larger than the liquid ejection surface of the inkjet head (wider than the liquid ejection surface), so that the liquid ejection surface is effectively moisturized. Can be done.
第９の態様は、第１から第８の態様のいずれかに係る液体吐出装置において、前記液体吐出面と前記洗浄液貯留部とのクリアランスが、２ｍｍ以下である。 A ninth aspect, in the liquid discharge apparatus according to any one of the first to eighth aspects, the clearance between the cleaning liquid storage portion and the liquid ejection surface is 2mm or less.
かかる態様は、液体吐出面と洗浄液貯留部のクリアランスを規定したものであり、２ｍｍ以下とすることにより、蒸発した気体が洗浄液貯留部からにげることを抑制することができ、液体吐出面の保湿を行なうことができる。 In this aspect, the clearance between the liquid discharge surface and the cleaning liquid storage part is defined. By setting the clearance to 2 mm or less, it is possible to suppress evaporation of the evaporated gas from the cleaning liquid storage part, and to keep the liquid discharge surface moisturized. Can be done.
第１０の態様は、第１から第９の態様のいずれかに係る液体吐出装置において、前記洗浄液貯留部の、傾斜の下流側および側部側の周囲にシール部が設けられている。 According to a tenth aspect, in the liquid ejection apparatus according to any one of the first to ninth aspects, a seal portion is provided around the downstream side and the side portion side of the inclination of the cleaning liquid storage portion .
かかる態様によれば、洗浄液貯留部の傾斜の下流側および側部側にシール部を設けている。すなわち、洗浄液膜保持面から流れる洗浄液の流れが邪魔にならないようにシール部を設けている。シール部を設けることで、洗浄液貯留部と液体吐出部の密閉性を高めることができ、保湿性を高めることができる。また、インクジェットヘッドのパージを行なった場合に、インクが飛び散ることを防止することができる。 According to this aspect, the seal part is provided on the downstream side and the side part side of the inclination of the cleaning liquid storage part . That is, the seal portion is provided so that the flow of the cleaning liquid flowing from the cleaning liquid film holding surface does not get in the way. By providing the seal part, it is possible to improve the sealing property between the cleaning liquid storage part and the liquid discharge part, and it is possible to improve the moisture retention. Further, when the ink jet head is purged, it is possible to prevent ink from being scattered.
第１２の態様は、第１１の態様に記載の液体吐出装置において、前記払拭部材は、前記洗浄液貯留部の前記洗浄液膜保持面の側の端部に配置される。 According to a twelfth aspect, in the liquid ejection device according to the eleventh aspect, the wiping member is disposed at an end of the cleaning liquid storage section on the cleaning liquid film holding surface side.
第１３の態様は、第１１又は１２の態様に記載の液体吐出装置において、前記払拭部材は、前記液体吐出面の前記移動手段の移動方向と略直交する長手方向の長さに対応する同方向の長さを有し、前記移動手段の移動方向と略平行方向に沿って前記液体吐出面を払拭する。 A thirteenth aspect is the liquid ejection apparatus according to the eleventh or twelfth aspect, wherein the wiping member is in the same direction corresponding to the length of the liquid ejection surface in the longitudinal direction substantially orthogonal to the movement direction of the moving means. The liquid ejection surface is wiped along a direction substantially parallel to the moving direction of the moving means.
第１４の態様は、第１１から１３のいずれかの態様に係る液体吐出装置において、前記払拭部材の少なくとも前記液体吐出面に接触させる部分を前記洗浄液貯留部に収容されている洗浄液に接触させるように、前記払拭部材を移動させる払拭部材移動手段を備えている。 Aspect of the fourteenth, the liquid ejection apparatus according to any of the aspects of the 11th to 13, for contacting a portion brought into contact with at least the liquid ejection surface of the wiping member washing liquid contained in the cleaning liquid storage unit Further, wiping member moving means for moving the wiping member is provided.
上記目的を達成するために、第１６の態様に係るインクジェットヘッドのメンテナンス方法は、液体を吐出させる液体吐出面を有するインクジェットヘッドのメンテナンス方法であって、前記液体吐出面と洗浄液膜保持面とを略平行に近接させた状態で、前記液体吐出面と前記洗浄液膜保持面との間に洗浄液の液膜が形成されるように、前記液体吐出面と前記洗浄液膜保持面との間に洗浄液を供給して前記液体吐出面を洗浄する洗浄工程と、前記洗浄液膜保持面とつながる面に開口が設けられ、前記洗浄液膜保持面に供給された洗浄液が回収される洗浄液貯留部の前記開口に前記液体吐出面を近接させて前記液体吐出面を保湿する保湿工程と、前記液体吐出面と略平行方向に、前記液体吐出面と前記洗浄液膜保持面及び前記洗浄液貯留部とを相対的に移動させて、前記洗浄工程と前記保湿工程とを切り換える切換工程と、を含んでいる。 In order to achieve the above object, a maintenance method for an ink jet head according to a sixteenth aspect is a maintenance method for an ink jet head having a liquid ejection surface for ejecting liquid, wherein the liquid ejection surface and the cleaning liquid film holding surface are provided. A cleaning liquid is applied between the liquid discharge surface and the cleaning liquid film holding surface so that a liquid film of the cleaning liquid is formed between the liquid discharge surface and the cleaning liquid film holding surface in a state of being close to each other in parallel. A cleaning step for supplying and cleaning the liquid discharge surface, and an opening is provided in a surface connected to the cleaning liquid film holding surface, and the opening of the cleaning liquid storage unit for recovering the cleaning liquid supplied to the cleaning liquid film holding surface is provided in the opening a moisturizing step for moisturizing in close proximity to the liquid ejection surface the liquid ejection surface, the liquid ejection surface substantially parallel direction, and the liquid ejection surface and the cleaning liquid film holding surface and the cleaning liquid storage unit Move-to manner, it includes a switching step of switching between step and the washing step the moisturizing.
キャップ部４４２にワイパーブレード４５０を備えることで、洗浄装置４３２’をインクジェットヘッド４０６に対して移動させながら、吐出面４０６Ａに付着している洗浄液を除去することができる。 By providing the cap unit 442 with the wiper blade 450, it is possible to remove the cleaning liquid adhering to the ejection surface 406A while moving the cleaning device 432 ′ relative to the inkjet head 406.
（保湿モード（ワイパーブレード洗浄モード）の説明）
図２０（ａ），（ｂ）は、第４実施形態に係るインクジェット記録装置における洗浄装置４３２”の保湿モード（ワイパーブレード洗浄モード）を模式的に図示した説明図である。同図に示すように、キャップ部４４２を吐出面４０６Ａの近接位置に移動させて、キャップ部４４２の開口を吐出面４０６Ａに近接させることで、吐出面４０６Ａの保湿がされる。
(Description of moisturizing mode (wiper blade cleaning mode))
20A and 20B are explanatory views schematically showing a moisture retention mode (wiper blade cleaning mode) of the cleaning device 432 ″ in the ink jet recording apparatus according to the fourth embodiment. Further, the cap portion 442 is moved to a position close to the discharge surface 406A and the opening of the cap portion 442 is brought close to the discharge surface 406A, whereby the discharge surface 406A is moisturized.
また、保湿モードにおいて、キャップ部４４２に設けられたワイパーブレード４５０の少なくとも吐出面４０６Ａと接触する部分を洗浄液に浸漬させることで、ワイパーブレード４５０に付着した汚れが除去される。 Further, in the moisturizing mode, dirt attached to the wiper blade 450 is removed by immersing at least a portion of the wiper blade 450 provided on the cap portion 442 in contact with the discharge surface 406A in the cleaning liquid.
Claims (17)
前記液体吐出面に洗浄液を付与する洗浄装置と、
を備え、
前記洗浄装置は、前記液体吐出面に略平行に近接させた状態で、前記液体吐出面との間に洗浄液の液膜が形成される洗浄液膜保持面を具備し、前記液体吐出面と前記洗浄液膜保持面との間に洗浄液を供給する洗浄液供給部を具備する洗浄液保持手段と、
前記洗浄液膜保持面とつながる面に開口が設けられ、前記洗浄液膜保持面に供給された洗浄液が回収される洗浄液貯留部を有し、前記液体吐出面に前記開口を近接させて前記液体吐出面を保湿する保湿手段と、
前記液体吐出面と略平行方向に、前記液体吐出面と前記洗浄液保持手段及び前記保湿手段とを相対的に移動させる移動手段と、
を具備することを特徴とする液体吐出装置。 An inkjet head having a liquid ejection surface for ejecting liquid;
A cleaning device for applying a cleaning liquid to the liquid discharge surface;
With
The cleaning apparatus includes a cleaning liquid film holding surface on which a liquid film of a cleaning liquid is formed between the liquid discharge surface and the liquid discharge surface in a state of being close to and substantially parallel to the liquid discharge surface. A cleaning liquid holding means comprising a cleaning liquid supply section for supplying a cleaning liquid between the film holding surface;
An opening is provided in a surface connected to the cleaning liquid film holding surface, and there is a cleaning liquid reservoir for collecting the cleaning liquid supplied to the cleaning liquid film holding surface, and the liquid discharge surface is brought close to the liquid discharge surface. Moisturizing means to moisturize,
Moving means for relatively moving the liquid discharge surface, the cleaning liquid holding means and the moisturizing means in a direction substantially parallel to the liquid discharge surface;
A liquid ejection apparatus comprising:
前記インクジェットヘッドは前記液体吐出面が前記外周面に対向するように水平面に対して傾けられて配置され、
前記洗浄液膜保持面は、前記液体吐出面と略平行に傾けられていることを特徴とする請求項１又は２に記載の液体吐出装置。 A rotating conveyance means having a cylindrical shape, holding a medium to which the liquid ejected from the inkjet head is attached on an outer peripheral surface, rotating the cylindrical axis as a rotation axis, and rotating and conveying the medium;
The inkjet head is disposed to be inclined with respect to a horizontal plane so that the liquid discharge surface faces the outer peripheral surface,
The liquid ejection apparatus according to claim 1, wherein the cleaning liquid film holding surface is inclined substantially parallel to the liquid ejection surface.
前記インクジェットヘッドは、前記液体吐出面が水平面と略平行に配置され、
前記洗浄液膜保持面は、前記液体吐出面と略平行に配置されることを特徴とする請求項１又は２に記載の液体吐出装置。 Holding a medium to which the liquid discharged from the inkjet head is attached substantially parallel to a horizontal plane, and comprising a horizontal conveying means for relatively horizontally conveying the inkjet head and the medium;
In the inkjet head, the liquid discharge surface is disposed substantially parallel to a horizontal plane,
The liquid ejection apparatus according to claim 1, wherein the cleaning liquid film holding surface is disposed substantially parallel to the liquid ejection surface.
前記洗浄装置は、前記インクジェットヘッドが前記媒体へ液体吐出を行う液体吐出位置に対して離れた位置に配置されることを特徴とする請求項１から１４のいずれか１項に記載の液体吐出装置。 A medium moving means for relatively moving the inkjet head and a medium to which the liquid ejected from the inkjet head is attached;
15. The liquid ejection apparatus according to claim 1, wherein the cleaning device is disposed at a position away from a liquid ejection position at which the inkjet head ejects liquid onto the medium. .
前記液体吐出面と洗浄液膜保持面とを略平行に近接させた状態で、前記液体吐出面と前記洗浄液膜保持面との間に洗浄液の液膜が形成されるように、前記液体吐出面と前記洗浄液膜保持面との間に洗浄液を供給して前記液体吐出面を洗浄する洗浄工程と、
前記洗浄液膜保持面とつながる面に開口が設けられ、前記洗浄液膜保持面に供給された洗浄液が回収される洗浄液貯留部の前記開口に前記液体吐出面を近接させて前記液体吐出面を保湿する保湿工程と、
前記液体吐出面と略平行方向に、前記液体吐出面と前記洗浄液膜保持面及び前記洗浄液貯留部とを相対的に移動させて、前記洗浄工程と前記保湿工程とを切り換える切換工程と、
を含むことを特徴とするインクジェットヘッドのメンテナンス方法。 A maintenance method for an inkjet head having a liquid ejection surface for ejecting liquid,
In a state where the liquid discharge surface and the cleaning liquid film holding surface are close to each other in parallel, a liquid film of the cleaning liquid is formed between the liquid discharge surface and the cleaning liquid film holding surface. A cleaning step of cleaning the liquid discharge surface by supplying a cleaning liquid between the cleaning liquid film holding surface;
An opening is provided in a surface connected to the cleaning liquid film holding surface, and the liquid discharge surface is brought close to the opening of the cleaning liquid storage unit from which the cleaning liquid supplied to the cleaning liquid film holding surface is collected to moisturize the liquid discharge surface A moisturizing process;
A switching step of switching between the cleaning step and the moisturizing step by relatively moving the liquid discharge surface, the cleaning liquid film holding surface, and the cleaning liquid reservoir in a direction substantially parallel to the liquid discharge surface;
A maintenance method of an ink jet head, comprising:
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| Application Number | Priority Date | Filing Date | Title |
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| JP2011178514A JP5529088B2 (en) | 2010-12-20 | 2011-08-17 | Liquid ejection apparatus and inkjet head maintenance method |
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| JP2010283405 | 2010-12-20 | ||
| JP2010283405 | 2010-12-20 | ||
| JP2011178514A JP5529088B2 (en) | 2010-12-20 | 2011-08-17 | Liquid ejection apparatus and inkjet head maintenance method |
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| JP2012144035A JP2012144035A (en) | 2012-08-02 |
| JP2012144035A5 true JP2012144035A5 (en) | 2014-03-13 |
| JP5529088B2 JP5529088B2 (en) | 2014-06-25 |
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| JP6142991B2 (en) * | 2013-03-29 | 2017-06-07 | セイコーエプソン株式会社 | Inkjet recording device |
| JP6464793B2 (en) * | 2015-02-17 | 2019-02-06 | コニカミノルタ株式会社 | Moisturizing apparatus and inkjet recording apparatus |
| US9162465B1 (en) * | 2015-03-30 | 2015-10-20 | Xerox Corporation | Method and apparatus to clean printheads in an inkjet printer |
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| JP4989361B2 (en) * | 2007-08-17 | 2012-08-01 | 富士フイルム株式会社 | Maintenance device, liquid ejection device, and nozzle surface maintenance method |
| JP5143779B2 (en) * | 2009-03-31 | 2013-02-13 | 富士フイルム株式会社 | Head cleaning apparatus, image recording apparatus, and head cleaning method |
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