CN109968820A - A kind of ink jet printing head automatic cleaning apparatus and method - Google Patents
A kind of ink jet printing head automatic cleaning apparatus and method Download PDFInfo
- Publication number
- CN109968820A CN109968820A CN201711464309.6A CN201711464309A CN109968820A CN 109968820 A CN109968820 A CN 109968820A CN 201711464309 A CN201711464309 A CN 201711464309A CN 109968820 A CN109968820 A CN 109968820A
- Authority
- CN
- China
- Prior art keywords
- wiper member
- ink jet
- jet printing
- printing head
- solvent
- 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.)
- Pending
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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
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting 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
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting 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
Abstract
The present invention relates to electronic device manufacturing technology fields, a kind of ink jet printing head automatic cleaning apparatus and method are provided, cleaning device includes wiper member, draw off gear, the support shaft below wiper member, preceding tensioning shaft and rear tensioning shaft, and ejection of solvent device, preceding tensioning shaft and rear tensioning shaft, which are pressed, to be set on wiper member, preceding tensioning shaft and rear tensioning shaft are located at the two sides of support shaft, preceding tensioning shaft is axially arranged with through-hole along it, preceding tensioning shaft is equipped with the spray orifice being connected to through-hole with the contact surface of wiper member, and ejection of solvent device is connected to through-hole.In the present invention, wiper member is infiltrated using ejection of solvent device, the wiper member part of infiltration is propped up using support shaft, clean spray head will be needed to be pressed on the wiper member of infiltration and move horizontally spray head to complete wiping, moreover, discharging the wiper member more renewed again using draw off gear after the completion of wiping, this automatic cleaning apparatus structure is simple, easy to use, cleaning effect is good, and improves the degree of automation.
Description
Technical field
The present invention relates to electronic device manufacturing technology fields, especially provide a kind of ink jet printing head automatic cleaning apparatus and
Method.
Background technique
Inkjet printing (Inkjet Printing) technology is quickly sent out in electronic function device manufacturing field in recent years
Exhibition, especially causes great concern in flat display field, such as in OLED (Organic Light-Emitting
Diode, Organic Electricity laser display) and QLED (Quantum Dot Light Emitting Diodes, quantum dot are shown) manufacture
In, inkjet printing technology have stock utilization it is high, without using fine metal mask plate (FMM), can large area preparation etc. pass
Advantage not available for system vacuum coating technology, therefore be considered as the effective way for reducing cost and realizing large area preparation.
Ink-jet print system generally includes print head, and print head has one or more nozzle, ink from nozzle with
The form of ink droplet sprays, and is eventually deposited at the corresponding position of stock, forms the pattern being pre-designed.In the forming process of ink droplet
In, ink is easy that infiltration, trickling occur at print-head nozzle mouth or overflows, and for ink lower for solvent boiling point,
The remaining ink of jet hole is easier to dry out, and is precipitated so as to cause solute in jet hole, and then lead to the obstruction of nozzle, causes to spray
The problems such as mouth is not out of ink or ink drop size changes, trails, heading deviates, reduces ink printed stability, significantly shadow
Ring print quality.
Summary of the invention
The purpose of the present invention is to provide a kind of ink jet printing head automatic cleaning apparatus and its application methods, it is intended to solve
Easily block at jet hole when inkjet printing in the prior art, influence the technical issues of print quality.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of ink jet printing head automatic cleaning apparatus, packet
The draw off gear of wiper member described in wiper member, folding and unfolding is included, the wiper member lower section is located at and is wide along the wiper member
The setting of degree direction is used to support the support shaft of the wiper member, moves along the wiper member before front-rear position sets gradually
Tensioning shaft and rear tensioning shaft, and the ejection of solvent device set on the wiper member side, the preceding tensioning shaft and it is described after
Tensioning shaft, which is pressed, to be set on the wiper member, and the preceding tensioning shaft and the rear tensioning shaft are located at the two of the support shaft
Side, the preceding tensioning shaft are axially arranged with through-hole along it, and the contact surface of the preceding tensioning shaft and the wiper member is equipped with and institute
The spray orifice of through-hole connection is stated, the ejection of solvent device is connected to the through-hole.
Further, the spray orifice is multiple, is uniformly distributed along the preceding tensioning shaft length direction.
Further, the draw off gear includes unreeling shaft and Scroll disposed in parallel, and the wiper member winds shape
At drum sheath be set to the unreeling shaft on, the outer end of the wiper member is fixed on the Scroll.
Further, the support shaft is made of rubber material.
The present invention also provides a kind of ink jet printing head automatic cleaning methods, comprising the following steps:
Preliminary step:
Above-mentioned ink jet printing head automatic cleaning apparatus, the ejection of solvent device are set below ink jet printing head
Interior placement cleaning solvent；
Cleaning:
Using the ejection of solvent device by ejection of solvent to wiper member, and a part of wiper member is infiltrated；
Wiper member described in folding and unfolding, by moving partially into above the support shaft for wiper member infiltration；
Ink jet printing head is moved to above the support shaft, being downwardly applied to pressure makes the spray of the ink jet printing head
Nozzle surface is contacted with the wiper member of infiltration, moves horizontally the ink jet printing head, completes wiping action.
Further, the cleaning solvent for ink jet printing head institute ink-jet water phase same type or similar type
Solvent.
Further, the cleaning solvent is alcohols solvent or alcohol ethers solvent.
Further, the cleaning solvent is that long chain alkane class solvent or aromatic hydrocarbon solvent or Polyhalogenated aromatic hydrocarbons are molten
Agent.
Further, the ink jet printing head is removed, is rolled up used wiper member part by draw off gear
Rise and release new wiper member, again repeatedly cleaning, update wiper member the step of.
Further, in the cleaning, the ink jet printing head is connect with a mobile controller, the ink-jet
Printing head moves under the control of the mobile controller along tri- directions X, Y, Z.
Beneficial effects of the present invention:
Ink jet printing head automatic cleaning apparatus provided by the invention is infiltrated wiper member using ejection of solvent device,
The wiper member part of infiltration is propped up using support shaft, then clean spray head will be needed to be pressed on the wiper member of infiltration
And move horizontally spray head and complete wiping, moreover, discharging the cleaning part more renewed again using draw off gear after the completion of wiping
Part, this automatic cleaning apparatus structure is simple, easy to use, and cleaning effect is good, and improves the degree of automation, reduces manpower
Output.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram of ink jet printing head automatic cleaning apparatus provided in an embodiment of the present invention；
Fig. 2 is that preceding tensioning shaft and ejection of solvent fill in ink jet printing head automatic cleaning apparatus provided in an embodiment of the present invention
Set the bottom view of connection；
Fig. 3 is the flow chart of ink jet printing head automatic cleaning method provided in an embodiment of the present invention；
11- wiper member；12- unreeling shaft；13- Scroll；Tensioning shaft before 14-；Tensioning shaft after 15-；16- support shaft；17-
Ejection of solvent device；21- ink jet printing head；22- mobile controller；31- spray orifice.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Please refer to Fig. 1, Fig. 2, a kind of ink jet printing head automatic cleaning apparatus provided in an embodiment of the present invention, including wiping
Component 11, the draw off gear of folding and unfolding wiper member 11 are arranged below wiper member 11 and along 11 width direction of wiper member
It support shaft 16 for jacking up wiper member 11, the tensioning apparatus between support shaft 16 and wiper member 11 and is used for
Infiltrate the ejection of solvent device 17 of wiper member 11.Specifically, tensioning apparatus include moved along wiper member 11 front-rear position according to
The preceding tensioning shaft 14 and rear tensioning shaft 15 of secondary setting, preceding tensioning shaft 14 is pressed with rear tensioning shaft 15 to be set on wiper member 11, and
Preceding tensioning shaft 14 is located at the two sides of support shaft 16 with rear tensioning shaft 15.In two tensioning shafts are arranged on wiper member 11, utilize
Two tensioning shafts are pressed downward wiper member 11, make to be bonded between wiper member 11 and support shaft 16 closer, prevent in wiping process
In due to wiper member 11 loosening and cause wiping effect bad.Preceding tensioning shaft 14 is axially arranged with through-hole along it and (does not mark in figure
Out), preceding tensioning shaft 14 and the contact surface of wiper member 11 are equipped with the spray orifice 31 be connected to through-hole, ejection of solvent device 17 with lead to
Hole connection.In the present embodiment, preceding 14 multi-purpose content of tensioning shaft not only acts as tension, simultaneously as it is provided with spray orifice
It 31 and is connected to ejection of solvent device 17 and also infiltrates wiper member 11 during tensioning, be ready for cleaning in next step
Work.
In the present invention, wiper member 11 is infiltrated using ejection of solvent device 17, utilizes the wiping of the support infiltration of support shaft 16
Component 11 is wiped, then clean spray head will be needed to be pressed on the wiper member 11 of infiltration and move horizontally spray head to complete to wipe
It wipes, moreover, discharging the wiper member 11 more renewed, this automatic cleaning apparatus knot again using draw off gear after the completion of wiping
Structure is simple, easy to use, and cleaning effect is good.
In the present embodiment, draw off gear includes unreeling shaft 12 and Scroll 13 disposed in parallel, and wiper member 11 winds shape
At drum sheath be set to unreeling shaft 12 on, the outer end of wiper member 11 is fixed on Scroll 13.In this way, passing through unreeling shaft 12
The recycling of release and Scroll 13 guarantees that wiper member 11 can be moved forward swimmingly.Turn of unreeling shaft 12 and Scroll 13
It is dynamic to be controlled respectively by motor, it is identical as existing draw off gear herein, it does not repeat herein.
Specifically, in the present embodiment, support shaft 16 is between unreeling shaft 12 and Scroll 13.Support shaft 16 will be for that will wipe
It wipes component 11 to jack up upwards, supporting table when spray head and wiper member 11 contact when as wiping, while support shaft 16 is preferably adopted
It is prepared with the smooth pliables material such as rubber, to reduce the frictional force between wiper member 11, to guarantee that wiper member 11 exists
It can smoothly be moved forward when folding and unfolding, and prevent from spray head to be pressed on when wiping in support shaft to be scratched.
Preferably, spray orifice 31 is multiple, is uniformly distributed along preceding 14 length direction of tensioning shaft.In this way, guaranteeing under tensioning shaft
The wiper member 11 just passed through is equably infiltrated in the direction of the width, guarantees postorder wiping effect.Certainly, 31 quantity of spray orifice
It can be adjusted according to actual needs, such as be adjusted to one, two or other quantity.The wiper member of this case can be wiping
Cloth, cleansing tissue.
Referring to Fig. 3, the embodiment of the invention also provides a kind of ink jet printing head automatic cleaning methods, including following step
It is rapid:
S01, preliminary step:
Above-mentioned ink jet printing head automatic cleaning apparatus, ejection of solvent device 17 are set below ink jet printing head 21
Interior placement cleaning solvent；
Preferably, the cleaning solvent placed in ejection of solvent device 17 is similar with 21 ink-jet water phases of ink jet printing head
The solvent of type or similar type.
Specifically, when 21 ink-jet water of ink jet printing head are the materials such as PEDOT, ZnO, the cleaning solvent is alcohols
Solvent such as n-hexyl alcohol, ethylene glycol or alcohol ethers solvent such as ethylene glycol ethyl ether equal solvent.
As an alternative, when 21 ink-jet water of ink jet printing head are the materials such as quantum dot, the cleaning solvent is
Long chain alkane class solvent such as n-decane or aromatic hydrocarbon solvent such as ethylbenzene or Polyhalogenated aromatic hydrocarbons solvent such as bromobenzene iodobenzene etc. have
Solvent.In this way, infiltrating wiper member 11 using the solvent of same type or similar type, in cleaning, be conducive to spray
The precipitation solute of mouthpiece surface attachment and the ink residue of drying are dissolved and are taken away, and clean nozzle surface effectively.
S02, cleaning:
Using ejection of solvent device 17 by ejection of solvent to wiper member 11, and a part of wiper member 11 is soaked
Profit；
Folding and unfolding wiper member 11 moves partially into 16 top of support shaft for what wiper member 11 infiltrated；
Ink jet printing head 21 is moved to 16 top of support shaft, being downwardly applied to pressure makes the nozzle of ink jet printing head 21
Surface is contacted with the wiper member 11 of infiltration, moves horizontally ink jet printing head 21, completes wiping action.
In conjunction with Fig. 1, in the present embodiment, ink jet printing head 21 is connect with a mobile controller 22, ink jet printing head 21
It can be moved along tri- directions X, Y, Z under the control of mobile controller 22.In wiping, ink-jet is beaten using mobile controller 22
Print spray head 21 is moved to the top of support shaft 16, apply and keep a certain amount of uniform pressure make spray nozzle surface be close to support
The wetting wiper member 11 of axis 16 contacts, and horizontal slowly mobile ink jet printing head 21 completes wiping action.
In the present embodiment, further include the steps that the S03 after cleaning, replacement wiper member 11, is wiped when completion is primary
After wiping movement, ink jet printing head 21 is removed, to same direction rotation unreeling shaft 12 and Scroll 13,11 reel of wiper member
It is rotated with unreeling shaft 12, used part is rolled up on Scroll 13, and new wiper member 11 is released on unreeling shaft 12.
Spray head is cleaned using 21 automatic cleaning apparatus of ink jet printing head provided in this embodiment and method, is not only guaranteed
Cleaning effect, and the degree of automation is improved, reduce manpower output.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of ink jet printing head automatic cleaning apparatus, it is characterised in that: including wiper member described in wiper member, folding and unfolding
Draw off gear is used to support the wiper member below the wiper member and along wiper member width direction setting
Support shaft, move the preceding tensioning shaft and rear tensioning shaft that front-rear position is set gradually along the wiper member, and be set to described
The ejection of solvent device of wiper member side, the preceding tensioning shaft and the rear tensioning shaft are pressed and are set on the wiper member,
The preceding tensioning shaft and the rear tensioning shaft are located at the two sides of the support shaft, and the preceding tensioning shaft is axially arranged with logical along it
Hole, the preceding tensioning shaft are equipped with the spray orifice being connected to the through-hole, the ejection of solvent with the contact surface of the wiper member
Device is connected to the through-hole.
2. ink jet printing head automatic cleaning apparatus according to claim 1, it is characterised in that: the spray orifice be it is multiple,
It is uniformly distributed along the preceding tensioning shaft length direction.
3. ink jet printing head automatic cleaning apparatus according to claim 1 or 2, it is characterised in that: the draw off gear
Including unreeling shaft disposed in parallel and Scroll, the drum sheath that the wiper member is wound is set on the unreeling shaft, institute
The outer end for stating wiper member is fixed on the Scroll.
4. ink jet printing head automatic cleaning apparatus according to claim 1, it is characterised in that: the support shaft uses rubber
Glue material matter is made.
5. a kind of ink jet printing head automatic cleaning method, it is characterised in that: the following steps are included:
Preliminary step:
Ink jet printing head automated cleaning dress according to any one of claims 1 to 4 is set below ink jet printing head
It sets, cleaning solvent is placed in the ejection of solvent device；
Cleaning:
Using the ejection of solvent device by ejection of solvent to wiper member, and a part of wiper member is infiltrated；
Wiper member described in folding and unfolding, by moving partially into above the support shaft for wiper member infiltration；
Ink jet printing head is moved to above the support shaft, being downwardly applied to pressure makes the nozzle table of the ink jet printing head
Face is contacted with the wiper member of infiltration, moves horizontally the ink jet printing head, completes wiping action.
6. ink jet printing head automatic cleaning method according to claim 5, it is characterised in that: the cleaning solvent be with
The solvent of ink jet printing head institute ink-jet water phase same type or similar type.
7. ink jet printing head automatic cleaning method according to claim 5 or 6, it is characterised in that: the cleaning solvent
For alcohols solvent or alcohol ethers solvent.
8. ink jet printing head automatic cleaning method according to claim 5 or 6, it is characterised in that: the cleaning solvent
For long chain alkane class solvent or aromatic hydrocarbon solvent or Polyhalogenated aromatic hydrocarbons solvent.
9. ink jet printing head automatic cleaning method according to claim 5 or 6, it is characterised in that: after cleaning
There are also update wiper member: the ink jet printing head being removed, by draw off gear by used wiper member
Part roll and release new wiper member, again repeatedly cleaning, update wiper member the step of.
10. ink jet printing head automatic cleaning method according to claim 5 or 6, it is characterised in that: walked in the cleaning
In rapid, the ink jet printing head is connect with a mobile controller, control of the ink jet printing head in the mobile controller
It is moved under system along tri- directions X, Y, Z.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464309.6A CN109968820A (en) | 2017-12-28 | 2017-12-28 | A kind of ink jet printing head automatic cleaning apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711464309.6A CN109968820A (en) | 2017-12-28 | 2017-12-28 | A kind of ink jet printing head automatic cleaning apparatus and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109968820A true CN109968820A (en) | 2019-07-05 |
Family
ID=67075147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711464309.6A Pending CN109968820A (en) | 2017-12-28 | 2017-12-28 | A kind of ink jet printing head automatic cleaning apparatus and method |
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| CN (1) | CN109968820A (en) |
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| CN114599457A (en) * | 2019-10-28 | 2022-06-07 | 京瓷株式会社 | Coating device and wiping method |
| CN111845077A (en) * | 2020-08-11 | 2020-10-30 | 广州市贝云科技有限公司 | Jet printing execution terminal and ink jet printer |
| CN113662468A (en) * | 2021-07-15 | 2021-11-19 | 南京医科大学 | Portable dry-wet separation paper towel environment-friendly storage box |
| CN113662468B (en) * | 2021-07-15 | 2022-10-25 | 南京医科大学 | Portable dry-wet separation paper towel environment-friendly storage box |
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