CN105798018B - A kind of cleaning device and its cleaning procedure of spray head - Google Patents

A kind of cleaning device and its cleaning procedure of spray head Download PDF

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Publication number
CN105798018B
CN105798018B CN201610191204.7A CN201610191204A CN105798018B CN 105798018 B CN105798018 B CN 105798018B CN 201610191204 A CN201610191204 A CN 201610191204A CN 105798018 B CN105798018 B CN 105798018B
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CN
China
Prior art keywords
spray head
liquid
black liquid
suction nozzle
molten
Prior art date
Application number
CN201610191204.7A
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Chinese (zh)
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CN105798018A (en
Inventor
欧远鹏
李劲
彭历山
周武娇
徐地华
Original Assignee
广东正业科技股份有限公司
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Priority to CN201610191204.7A priority Critical patent/CN105798018B/en
Publication of CN105798018A publication Critical patent/CN105798018A/en
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Publication of CN105798018B publication Critical patent/CN105798018B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04Cleaning by suction, with or without auxiliary action

Abstract

The invention discloses a kind of cleaning devices of spray head, the suction nozzle being arranged upward including suction inlet, it further include the liquid trap that molten black liquid is set side by side with and can stored with the suction nozzle, the upper end of the liquid trap is provided with the opening for allowing spray head to contact molten black liquid on the liquid trap.Because being provided with liquid trap on cleaning device, when in use, the spout face of spray head is first immersed to or contacted the molten black liquid on liquid trap, then takes out spray head, spray head is made to be directed at suction nozzle, opens suction nozzle, suction nozzle is made to draw the liquid on spray head.Because spray head is first contacted with molten black liquid before spray head is aspirated by suction nozzle, black liquid misty on spray head is set to synthesize big drop, and the big drop is collected under surface tension and Gravitative Loads by molten black liquid in advance, while suction nozzle aspirates big drop and can more aspirate completely.So the cleaning device of the spray head can efficiently solve the sordid problem of sprayer cleaning.The invention also discloses a kind of cleaning procedures of spray head.

Description

A kind of cleaning device and its cleaning procedure of spray head

Technical field

The present invention relates to cleaning appliance technical fields to further relate to one more specifically to a kind of cleaning device of spray head The cleaning procedure of kind spray head.

Background technique

Core component spray head on jet printer needs, to keep the clean of spray head, then to be protected by the cleaning of frequency Demonstrate,prove the printing effect of jet printer.It in the prior art, is all the cleaning device of spray head, the cleaning of the spray head for the cleaning of spray head It is provided with one and the matched suction nozzle of spray head on device, and is provided with row's sucker on suction nozzle.When spray head is moved to suction nozzle position When setting, vacuum pump is provided on cleaning device, vacuum pump can make to generate negative pressure on suction nozzle, and the negative pressure that suction nozzle generates can make on spray head Remaining ink is siphoned away by suction nozzle.

The discovery but process inventor studies for a long period of time, spray head will form one layer of ink mist, ink mist and spray sometimes Adhesive ability between head is strong, and the suction of general suction nozzle can not siphon away ink mist, because it is unclean to will lead to sprayer cleaning.

It is that current those skilled in the art are badly in need of in conclusion how to efficiently solve the sordid problem of sprayer cleaning It solves the problems, such as.

Summary of the invention

In view of this, the first purpose of this invention is to provide a kind of cleaning device of spray head, which can be with The sordid problem of sprayer cleaning is efficiently solved, a second object of the present invention is to provide a kind of cleaning procedures of spray head.

In order to reach above-mentioned first purpose, the invention provides the following technical scheme:

A kind of cleaning device of spray head further includes being set side by side with the suction nozzle including the suction nozzle that suction inlet is arranged upward And the liquid trap of molten black liquid can be stored, the upper end of the liquid trap, which is provided with, allows spray head to contact molten black liquid on the liquid trap Opening.

Preferably, the liquid trap is liquid collecting platform.

It preferably, further include being connected between vacuum generator and the suction nozzle for filtering out the vacuum buffer of black liquid Tank.

It preferably, further include that the silica gel scraper plate being set side by side with the suction nozzle and the driving silica gel scraping plate lifting are mobile Elevating mechanism, the silica gel scraper plate is vertically arranged and upper end is used to sweep ink-jet on the spout face of the spray head.

Preferably, described further includes the diving board for capableing of compressive deformation in the vertical direction, and the liquid collecting platform is arranged in institute It states on the upper side of diving board.

It preferably, further include black for receiving the collection of the liquid collecting platform and the silica gel scraper plate overflow trickle Slot.

Preferably, the cleaning device includes that clean hatch, base and driving clean hatch are moved relative to base along cleaning direction Driving device, the suction nozzle and the liquid trap are arranged on the clean hatch.

Preferably, the driving device includes linking with the relatively-stationary motor of the base, with the main shaft of the motor Lead screw and with the threads of lead screw cooperation nut, the nut and the clean hatch are relatively fixed.

The cleaning device of a kind of spray head provided by the invention, i.e., for the ink-jet on cleaning printer.The cleaning device packet Suction nozzle and liquid trap are included, wherein the suction inlet of suction nozzle is upward.Wherein liquid trap is set side by side with suction nozzle, and can store molten black liquid Liquid trap, herein it should be noted that wherein molten black liquid refers to the liquid that can be dissolved each other with black liquid, the specific can be that black liquid. Wherein the upper end of liquid trap, which is provided with, allows spray head to contact the opening for melting black liquid on liquid trap, to facilitate spray head to enter from opening It is in contact at liquid trap and with black liquid molten on liquid trap.

According to above-mentioned technical solution, it is recognised that because being provided with liquid trap on cleaning device, when in use, first Storage on liquid trap is set to have molten black liquid, specifically, molten black liquid can be using the liquid as the hydrojet of spray head.Then it is then turned on Before suction nozzle, should before this spray head spout face immerse or contact molten black liquid, then take out spray head, make spray head be aligned suction nozzle, open Suction nozzle is opened, suction nozzle is made to draw the liquid on spray head.Because spray head is first contacted with molten black liquid before spray head is aspirated by suction nozzle, make Misty black liquid synthesizes big drop on spray head, and the big drop is received under surface tension and Gravitative Loads by molten black liquid in advance Collection, it is easy compared to suction fog-like liquid many that suction nozzle aspirates big drop, so can more aspirate clean.So the cleaning of the spray head Device can efficiently solve the sordid problem of sprayer cleaning.

In order to reach above-mentioned second purpose, the present invention also provides the following technical solutions: a kind of cleaner of spray head Skill, comprising: S1: spray head is immersed in molten black liquid or is in contact with the liquid level of the molten black liquid;S2: by spray head from the molten ink It is taken out at liquid, and spray head is aligned to the suction inlet of suction nozzle, suction is generated at suction inlet.

Preferably, S1 includes: the platform that the spout opposite direction of spray head can be stored to the molten black liquid, and sprays molten black liquid; Spray head is immersed in the molten black liquid or is in contact with the liquid level of the molten black liquid.

In above-mentioned cleaning procedure, it is provided to make to spray head with more preferable with what above-mentioned cleaning device used Suction cleaning effect, spray head suction cleaning before, contact spray head with molten black liquid, effectively eliminate mist black liquid.So The beneficial effect of the cleaning procedure can refer to the beneficial effect of above-mentioned cleaning equipment.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of cleaning device provided in an embodiment of the present invention;

Fig. 2 is the structural schematic diagram of the clean hatch of cleaning device provided in an embodiment of the present invention;

Fig. 3 is the structural schematic diagram before spray head provided in an embodiment of the present invention is contacted with molten black liquid;

Fig. 4 is the structural schematic diagram during spray head provided in an embodiment of the present invention is contacted with molten black liquid;

Fig. 5 is the structural schematic diagram in spray head provided in an embodiment of the present invention and the disengaging of molten black liquid;

Fig. 6 is the structural schematic diagram after spray head provided in an embodiment of the present invention and the disengaging of molten black liquid;

Fig. 7 is structural schematic diagram when suction nozzle provided in an embodiment of the present invention is directed at spray head and draws black liquid.

Specific embodiment

The embodiment of the invention discloses a kind of cleaning devices of spray head, and to efficiently solve, sprayer cleaning is sordid to be asked Topic.

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Fig. 1-Fig. 2 is please referred to, Fig. 1 is the partial structural diagram of burnisher provided in an embodiment of the present invention;Fig. 2 is this The structural schematic diagram of the clean hatch for the cleaning device that inventive embodiments provide.

In a specific embodiment, a kind of cleaning device of spray head is present embodiments provided, that is, is used for cleaning printer On ink-jet.The cleaning device includes suction nozzle 1 and liquid trap, and wherein upward, suction nozzle 1 can be connected to vacuum to the suction inlet of suction nozzle 1 Device, vacuum generator can make the oral area of suction nozzle 1 generate negative pressure.When being cleaned, the spout of spray head 4 downward, is being aligned spray head 4 When the suction inlet of suction nozzle 1, the negative pressure that the suction inlet of suction nozzle 1 generates forms suction, can siphon away the oil droplet of spray head 4.

Wherein liquid trap is set side by side with suction nozzle 1, and can store the liquid trap of molten black liquid, herein it should be noted that its In molten black liquid refer to the liquid that can be dissolved each other with black liquid, the specific can be that black liquid, black liquid can dissolve each other with black liquid, generally Aqueous solution, i.e., when spray head 4 contacts molten black liquid, the misty black liquid on spray head 4 can be added in molten black liquid, misty black liquid Be added in molten black liquid so that spray head 4 be detached from molten black liquid contact when, misty black liquid formed big droplet-like black liquid or by Molten black liquid siphons away, and misty molten black liquid is then made to disappear.Wherein the upper end of liquid trap, which is provided with, allows spray head 4 to contact on liquid trap The opening of molten black liquid, to facilitate spray head 4 to enter from liquid trap from opening and be in contact with black liquid molten on liquid trap.Specifically, The liquid trap can be liquid-collecting bottle, collecting tank, can also be liquid collecting platform 2, because the surface of liquid generally has certain Power, it is possible to store certain molten black liquid, manufacture for convenience, and opening is sufficiently large to facilitate spray head 4 to contact molten black liquid, herein It is preferred that liquid trap is liquid collecting platform 2.Specific cleaning method can refer to Fig. 3-Fig. 7, and Fig. 3 is spray provided in an embodiment of the present invention Head contacted with molten black liquid before structural schematic diagram;Fig. 4 is the structure during spray head provided in an embodiment of the present invention is contacted with molten black liquid Schematic diagram;Fig. 5 is the structural schematic diagram in spray head provided in an embodiment of the present invention and the disengaging of molten black liquid;Fig. 6 is that the present invention is implemented The spray head that example provides and the structural schematic diagram after the disengaging of molten black liquid;Fig. 7 is that suction nozzle provided in an embodiment of the present invention is directed at spray head simultaneously Draw structural schematic diagram when black liquid.First spray head 4 is declined, to guarantee the contact of spray head 4 with molten black liquid, misty black liquid at this time Will form big droplet-like black liquid, big droplet-like black liquid may be fallen into molten black liquid under surface tension of liquid or Gravitative Loads, Spray head 4 may be stayed in siphon away to suction nozzle.

In this embodiment, because being provided with liquid trap on cleaning device, when in use, have storage molten Black liquid, specifically, molten black liquid can be using the liquid as the hydrojet of spray head 4.Then it is then turned on before suction nozzle 1, it should be first Be spray head 4 spout face immerse or contact molten black liquid, then take out spray head 4, make spray head 4 be aligned suction nozzle 1, open suction nozzle 1, make to inhale First 1 draws the liquid on spray head 4.Because spray head 4 is first contacted with molten black liquid before spray head 4 is aspirated by suction nozzle 1, molten black liquid and Black liquid is dissolved each other, and so that black liquid misty on spray head 4 is synthesized big drop, and the big drop is molten under surface tension and Gravitative Loads Black liquid is collected in advance, while being easy very much, can more aspirate compared to suction fog-like liquid because suction nozzle 1 aspirates big drop again Completely.So the cleaning device of the spray head can efficiently solve spray head 4 and clean sordid problem.

Suction nozzle 1 in order to avoid black liquid pollution environment and avoids black liquid from causing energy waste after siphoning away black liquid, can be right The black liquid that suction nozzle 1 siphons away is recycled.Specifically, being also provided with vacuum buffer tank, it is provided with and is used in vacuum buffer tank Filter out the filtration core of black liquid.Vacuum buffer tank can be specifically connected between vacuum generator and suction nozzle 1, wherein vacuum The specific structure and usage mode of surge tank can refer to the prior art.It should be specifically the black liquid and gas that suction nozzle 1 is walked It filter out black liquid can by the effect of filtration core by vacuum buffer tank, it is slow that the black liquid storage filtered out stays in vacuum It rushes in tank, takes out black liquid for convenience, can make to be provided with the discharging opening for permitting discharging of the toner for discharging black liquid on the downside of vacuum buffer tank.

It is considered that still there can be some a small amount of misty ink, big drop can not be formed, can not also be dissolved in molten black liquid, It is even more impossible to directly pass through suction nozzle 1 to siphon away.Especially spray head 4 after a period of use, misty ink is more easier to generate, in order to protect The cleaning effect for demonstrate,proving spray head 4, can make to be provided with the scraper plate being vertically arranged on cleaning device, in order to reduce spray head 4 because scraper plate is scraped Ink and caused by abrasion loss, scraper plate silica gel scraper plate 3 can be made, i.e., sweep the spout of spray head 4 by the upper end of silica gel scraper plate 3 Ink-jet on face.In order to avoid scraper plate interferes the close of suction nozzle 1 and spray head 4, it is also provided with for driving 3 liters of silica gel scraper plate Mobile elevating mechanism drops.In order to preferably recycle ink-jet, ink collecting trough can be set, ink collecting trough is for receiving liquid collecting platform 2 And 3 overflow trickle of silica gel scraper plate, i.e. black liquid or molten black liquid, specifically in the vertical direction, can make liquid collecting platform 2 with And silica gel scraper plate 3 is all located in the notch face of ink collecting trough.

When spray head 4 enters on liquid collecting platform 2, spray head 4 needs to decline to immerse or contact the molten ink on liquid collecting platform 2 Liquid, it is contemplated that the molten black liquid stored on liquid collecting platform 2 is generally more shallow, and spray head 4 is easy to strike the platform of liquid collecting platform 2 Face.And then will cause the decline of 4 service life of spray head, it is based on this, the bullet for capableing of compressive deformation in the vertical direction can be set Plate, and liquid collecting platform 2 is arranged on the upper side of diving board, specifically, the upper side of diving board can be made to be liquid collecting platform 2. Because the effect of diving board can slow down the shock between spray head 4 and the table top of liquid collecting platform 2.

In view of needed on spray head 4 by it is clean be entire spout face, since the area in spout face is generally bigger, in order to It avoids just using the suction inlet of suction nozzle 1 excessive, the vacuum magnitude for causing suction inlet to generate is influenced.So being typically all not improve suction inlet Size, but moved on suction inlet by spray head 4, so that the spout face of spout can access enough suction.For reality It is now uniform to clean, and clean conveniently, can make cleaning device includes clean hatch 5, base 6 and driving device, wherein driving Device is for driving 6 relative clean platform 5 of base to move along direction is cleaned, and suction nozzle 1 and liquid trap are arranged on clean hatch 5, Drive suction nozzle 1 mobile by clean hatch 5.Herein it should be noted that when cleaning direction refers to cleaning, 1 opposing showerhead of suction nozzle 4 mobile directions, and the direction can specifically obtain from the prior art, no longer narration in detail herein.Wherein driving device It is preferred that motor 7 drives, transmission mechanism preferentially uses screw nut driven mechanism, can allow scraper plate with suction nozzle along clear at this time Direction is swept to be set side by side, wherein motor 7 can preferably carry out stroke adjustment compared to telescoping cylinder, it can then effectively realize, Make to can choose the state of sweeping by motor control and inhale the switching swept between state, reduces the use of driving device.Simultaneously Screw nut driven mechanism opposing cranks slider driving gear can effectively guarantee that motor 7 drives clean hatch 5 at the uniform velocity to move. Specifically, even if driving device include with the relatively-stationary motor 7 of the base 6, the lead screw to link with the main shaft of motor 7 and With the nut of threads of lead screw cooperation, nut and clean hatch 5 are relatively fixed.

It avoids clean hatch too long, liquid trap can be made to realize with suction nozzle 1 and be laterally set side by side, while can be set and be used for The lateral driver device of clean hatch transverse shifting is driven, wherein laterally referring on spout face, perpendicular to the side in cleaning direction To for laterally.In order to facilitate arrangement silica gel scraper plate 3, one on the edge cleaning direction of cleaning platform is can be set in silica gel scraper plate 3 Side, silica gel scraper plate 3 can be made to sweep spout face automatically by above-mentioned driving device.

In another specific embodiment, the present embodiment provides a kind of cleaning procedure of spray head, the cleaning procedures of the spray head Include:

Step 1, spray head is immersed in molten black liquid or is in contact with the liquid level of molten black liquid, specific molten black liquid storage is held Device, can be using liquid trap in an embodiment as above, and wherein the upper end of liquid trap, which should be provided with, allows spray head to contact liquid trap The opening of upper molten black liquid, to facilitate spray head to enter from liquid trap from opening and be in contact with black liquid molten on liquid trap.The liquid collecting Device can be liquid-collecting bottle, collecting tank, can also be liquid collecting platform, because the surface of liquid generally has certain tension, Certain molten black liquid can be stored.Herein it should be noted that wherein molten black liquid refers to the liquid that can be dissolved each other with black liquid, tool Body can be black liquid, and black liquid can dissolve each other with black liquid, generally aqueous solution, i.e., when spray head contacts molten black liquid, on spray head Misty black liquid can be added in molten black liquid, and misty black liquid is added in molten black liquid, so as to be detached from and molten black liquid in spray head When contact, misty black liquid forms the black liquid of big droplet-like or is siphoned away by molten black liquid, and misty molten black liquid is then made to disappear.

Step 2, it will melt described in spray head and be taken out at black liquid, i.e., be disengaged with molten black liquid, and spray head is aligned to the suction of suction nozzle Mouthful, and make to generate suction at suction inlet, ink droplet is pumped with by suction to reach clean effect.

In cleaning procedure used by the present embodiment and upper embodiment cleaning device, in order to make that there is more spray head Good suction cleaning effect, core are all to contact spray head with molten black liquid before spray head suction cleaning, effectively eliminate misty Molten black liquid.So cleaning procedure used by the present embodiment can refer to above-described embodiment, details are not described herein.

In order to enable black liquid misty on spray head preferably to be removed, and free from environmental pollution and spray head, preferably make Molten black liquid is the ink-jet of the ejection of spray head, in order to quickly and conveniently clean to spray head, above-mentioned steps 1 can be made specifically to wrap It includes: the spout opposite direction of spray head can be stored to the platform of molten black liquid, and spray head is made to spray black liquid, that is, molten black liquid is sprayed, because of liquid The effect of body tension, so a certain amount of molten black liquid can be stored on platform;Then by spray head be immersed in molten black liquid or with it is molten The liquid level of black liquid is in contact.

Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.

The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (9)

1. a kind of cleaning device of spray head, the suction nozzle being arranged upward including suction inlet (1) and clean hatch (5), which is characterized in that also wrap It includes and the liquid trap of molten black liquid is set side by side with and can stored with the suction nozzle (1), the upper end of the liquid trap is provided with permission Spray head (4) contacts the opening of molten black liquid on the liquid trap;The suction nozzle and the liquid trap are arranged at the clean hatch, institute It states liquid trap to be laterally set side by side with the suction nozzle, further includes the laterally driven dress for driving the clean hatch transverse shifting It sets, to draw the spray by the suction nozzle after the spout face of the spray head is immersed or contacts the molten black liquid of the liquid trap Liquid on head.
2. cleaning device according to claim 1, which is characterized in that the liquid trap is liquid collecting platform (2).
3. cleaning device according to claim 2, which is characterized in that further include being connected to vacuum generator and the suction nozzle (1) for filtering out the vacuum buffer tank of black liquid between.
4. cleaning device according to claim 3, which is characterized in that further include the silicon being set side by side with the suction nozzle (1) The elevating mechanism of glue scraper plate (3) and driving silica gel scraper plate (3) lifting moving, the silica gel scraper plate (3) be vertically arranged and on Hold ink-jet on the spout face for sweeping the spray head (4).
5. cleaning device according to claim 4, which is characterized in that further including being capable of compressive deformation in the vertical direction Diving board, the liquid collecting platform (2) are arranged on the upper side of the diving board.
6. cleaning device according to claim 5, which is characterized in that further include for receive the liquid collecting platform (2) with And the ink collecting trough of silica gel scraper plate (3) the overflow trickle.
7. cleaning device according to claim 1-6, which is characterized in that including base (6) and driving clean hatch (5) driving device moved relative to base (6) along cleaning direction.
8. cleaning device according to claim 7, which is characterized in that for driving clean hatch (5) with respect to base (6) along clear The mobile driving device in clean direction includes joining with the base (6) relatively-stationary motor (7), with the main shaft of the motor (7) Dynamic lead screw and the nut with threads of lead screw cooperation, the nut and the clean hatch (5) are relatively fixed.
9. a kind of cleaning procedure of spray head characterized by comprising
S1: spray head is immersed in molten black liquid or is in contact with the liquid level of the molten black liquid;
S2: spray head is taken out from the molten black liquid, and spray head is aligned to the suction inlet of suction nozzle, and suction is generated at suction inlet;S1 Include:
The spout opposite direction of spray head can be stored to the platform of the molten black liquid, and spray molten black liquid;Spray head is immersed in described molten It is in contact in black liquid or with the liquid level of the molten black liquid.
CN201610191204.7A 2016-03-30 2016-03-30 A kind of cleaning device and its cleaning procedure of spray head CN105798018B (en)

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CN105798018B true CN105798018B (en) 2019-07-09

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Publication number Priority date Publication date Assignee Title
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CN102046386A (en) * 2008-05-29 2011-05-04 伊斯曼柯达公司 Multicolor printhead maintenance station
CN102921663A (en) * 2012-11-22 2013-02-13 深圳市华星光电技术有限公司 Method and device for cleaning nozzles of alignment film printer

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JP3794225B2 (en) * 1999-12-03 2006-07-05 富士ゼロックス株式会社 Inkjet recording device
KR20060105127A (en) * 2005-04-01 2006-10-11 삼성전자주식회사 Ink jet head cleaning system and and manufacturing method thereof
JP5027113B2 (en) * 2005-04-25 2012-09-19 株式会社アルバック Printing device
WO2012054951A1 (en) * 2010-10-25 2012-05-03 Silverbrook Research Pty Ltd Print head maintenance system
CN202144144U (en) * 2011-06-01 2012-02-15 杭州宏华数码科技股份有限公司 Scraper type cleaning device for inkjet heads, with ink blotting function
JP6537243B2 (en) * 2013-11-22 2019-07-03 キヤノン株式会社 Liquid discharge apparatus, method of controlling liquid discharge apparatus, imprint apparatus and method of manufacturing parts

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Publication number Priority date Publication date Assignee Title
CN101209620A (en) * 2006-12-30 2008-07-02 财团法人工业技术研究院 Device and method for eliminating residual liquid
CN102046386A (en) * 2008-05-29 2011-05-04 伊斯曼柯达公司 Multicolor printhead maintenance station
CN102921663A (en) * 2012-11-22 2013-02-13 深圳市华星光电技术有限公司 Method and device for cleaning nozzles of alignment film printer

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