CN106733358A - Nozzle cleaning device and coating solution equipment - Google Patents
Nozzle cleaning device and coating solution equipment Download PDFInfo
- Publication number
- CN106733358A CN106733358A CN201710067218.2A CN201710067218A CN106733358A CN 106733358 A CN106733358 A CN 106733358A CN 201710067218 A CN201710067218 A CN 201710067218A CN 106733358 A CN106733358 A CN 106733358A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- cleaning device
- cleaning
- unit
- groove
- 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.)
- Granted
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 114
- 239000011248 coating agent Substances 0.000 title claims abstract description 18
- 238000000576 coating method Methods 0.000 title claims abstract description 18
- 239000012530 fluid Substances 0.000 claims abstract description 25
- 239000004744 fabric Substances 0.000 claims description 56
- 238000001514 detection method Methods 0.000 claims description 22
- 239000000835 fiber Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 10
- 229920000742 Cotton Polymers 0.000 claims description 7
- 229920000728 polyester Polymers 0.000 claims description 6
- 230000008719 thickening Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 14
- 239000007788 liquid Substances 0.000 description 9
- 239000000243 solution Substances 0.000 description 6
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000004425 Makrolon Substances 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B08B1/143—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
-
- B08B1/165—
Abstract
The present invention relates to display preparing technical field, a kind of nozzle cleaning device and coating solution equipment are disclosed.It is used to improve the cleannes of nozzle, and then improves the yield of product.Nozzle cleaning device, including：Squeegee unit, squeegee unit is used to scrape off the coating fluid of nozzle surface；The wiper unit of squeegee unit side is arranged at, wiper unit is used to wipe nozzle surface.The nozzle cleaning device that the present invention is provided, can repeatedly be cleaned by setting squeegee unit and wiper unit to the surface of nozzle, improve the cleannes of nozzle.
Description
Technical field
The present invention relates to display preparing technical field, more particularly to a kind of nozzle cleaning device and coating solution set
It is standby.
Background technology
PI films (polyimide film) rely on its own excellent characteristic, are widely used in display manufacture field.It is flexible
Be coated in PI liquid on glass by nozzle be made by hot setting by substrate P I films.In coating procedure, it is located at
After PI liquid solidification at jet hole, nozzle can be made to result in blockage, cause blocked nozzle to spue PI liquid, reduce PI films
Yield.
At present for nozzle choking problems, common solution has：
First, the pressure of the PI liquid in the nozzle for blocking is improved, makes PI liquid quickly through jet hole, to rinse or dissolve nozzle
The PI liquid of mouth solidification.The method can solve the slight blocking of nozzle, but success rate is still relatively low；The consumption of PI liquid is increased simultaneously
Amount, causes production cost to increase, while the maintenance time needed for it is more long, causes capacity loss to increase.
2nd, when the above method one is invalid, then typically take and use the method for wiping nozzle manually by the PI liquid of jet hole
Solidfied material is wiped.This kind of cleaning mode can take equipment substantial amounts of downtime, reduce the operating efficiency of equipment.
3rd, after nozzle is blocked for a long time, shower nozzle must be changed.Spare parts consumption loss is this method increase, and PI liquid loses
Further improved with capacity loss.
In sum, spray nozzle clogging restorative procedure conventional at present increased production cost, and improve capacity loss amount.
The content of the invention
The invention provides a kind of nozzle cleaning device and coating solution equipment, it is used to improve the cleannes of nozzle, enters
And improve the yield of product.
To achieve the above object, the present invention provides following technical scheme：
The invention provides a kind of nozzle cleaning device, including：
Squeegee unit, the squeegee unit is used to scrape off the coating fluid of nozzle surface；
The wiper unit of the squeegee unit side is arranged at, the wiper unit is used to wipe the nozzle surface.
The nozzle cleaning device that the present invention is provided, can be entered by setting squeegee unit and wiper unit to the surface of nozzle
Row is repeatedly cleaned, and improves the cleannes of nozzle.
In some optional implementation methods, said nozzle cleaning device also includes：For detecting the nozzle surface
The detection unit of cleannes.The setting of detection unit can detect whether nozzle cleans, and can further improve the cleaning of nozzle
Degree.
In some optional implementation methods, the detection unit is photoelectric detector, and the nozzle cleaning device is also wrapped
Include：
The controller being connected with the photoelectric detector signal, the controller is used to be detected when the photoelectric detector
Light intensity signal be less than preset value when produce alarm signal；
The alarm being connected with the controller signals, the alarm produces announcement according to the alarm signal for receiving
It is alert.Whether detection unit detection nozzle is clean by cleaning, if not up to cleaning angle value, alarm can alarm, and remind staff
Nozzle is cleaned again.
In some optional implementation methods, the wiper unit includes：
The first cleaning cloth and dry second cleaning cloth immersed with cleaning fluid；
Bracket for supporting and fixing the first cleaning cloth and the second cleaning cloth, the bottom of the bracket is provided with
Multiple first through hole, the side wall of bracket part corresponding with the described first cleaning cloth is provided with the second through hole.First cleaning
Cloth is cleaned again by cleaning fluid to nozzle, and the second cleaning cloth can be wiped to nozzle, improve the cleannes of nozzle.
First through hole is easy to unnecessary cleaning fluid to flow out, and the second through hole is easy to the injection of cleaning fluid.
In some optional implementation methods, the one of the squeegee unit is laterally away from along near the one of the squeegee unit
Side, the first cleaning cloth and the second cleaning cloth are gradually thickening.Also allow for increase first and clean cloth and the second cleaning cloth pair
The extruding force of nozzle.
In some optional implementation methods, the first cleaning cloth is by polyester fiber, superfine fibre, submicro scale fiber
In the dustless cotton that is made of any one material；And/or,
The second cleaning cloth is by any one material making in polyester fiber, superfine fibre, submicro scale fiber
Into dustless cotton.
In some optional implementation method said nozzle cleaning devices, also include：
Housing, the housing has for supporting and fixing the first groove of the squeegee unit, for supporting the support
Second groove of frame and the 3rd groove for supporting and fixing the detection unit, wherein：The bottom land of second groove
It is provided with third through-hole.The setting of third through-hole is easy to unnecessary and cleaning fluid that is extruding to flow out housing.
In some optional implementation methods, the side wall of first groove is provided with cleaning sprayer mouthful, and described second is recessed
The side wall of groove be provided with the one-to-one cleaning fluid spout of second through hole, be provided with for protecting in the 3rd groove
State the baffle plate of detection unit.
Present invention also offers a kind of coating solution equipment, including：Coater nozzle, also including described in any of the above-described
Nozzle cleaning device.The cleannes of nozzle can be improved due to said nozzle cleaning device, therefore the coating fluid that the present invention is provided is applied
Cloth equipment has preferable Painting effect.
Brief description of the drawings
Fig. 1 is the structural representation of nozzle cleaning device provided in an embodiment of the present invention；
Fig. 2 is the structural representation of nozzle provided in an embodiment of the present invention；
Fig. 3 is the structural representation of bracket provided in an embodiment of the present invention；
Fig. 4 is the structural representation of housing provided in an embodiment of the present invention.
Reference：
1- squeegee unit 2- wiper units
The cleaning cloth of 21- first 22- second cleans cloth
23- bracket 231- first through hole
The second through holes of 232- 233- clamps ear
3- detection unit 4- housings
41- the first groove 411- cleaning sprayers mouthful
42- the second groove 421- third through-holes
422- cleaning fluid spout 43- baffle plates
5- nozzle 6- slits
7- conduits
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of protection of the invention is belonged to.
As shown in figure 1, Fig. 1 is the structural representation of nozzle cleaning device provided in an embodiment of the present invention, the present invention is provided
A kind of nozzle cleaning device, including：
Squeegee unit 1, squeegee unit 1 is used to scrape off the coating fluid of nozzle surface；
The wiper unit 2 of the side of squeegee unit 1 is arranged at, wiper unit 2 is used to wipe nozzle surface.
The nozzle cleaning device that the present invention is provided, can be to the surface of nozzle by setting squeegee unit 1 and wiper unit 2
Repeatedly cleaned, improved the cleannes of nozzle.
Further, said nozzle cleaning device also includes：Detection unit 3 for detecting the cleannes of nozzle surface.
The setting of detection unit 3 can detect whether nozzle cleans, and can further improve the cleannes of nozzle.As shown in Fig. 2 nozzle
5 is prismatoid structure, and the end of prismatoid has the slit for spraying coating fluid, easily pasted in coated middle coating fluid
On the side wall of prismatoid, therefore detection unit 3 is that the both sides cleannes of slit 6 of nozzle 5 are detected, does not detect nozzle
Slit 6.
The concrete structure of above-mentioned detection unit 3 can have various, and optionally, detection unit 3 is photoelectric detector, and nozzle is clear
Clean device also includes：
The controller being connected with photoelectric detector signal, controller is used for the light intensity signal detected when photoelectric detector
Alarm signal is produced during less than preset value；
The alarm being connected with controller signals, alarm produces alarm according to the alarm signal for receiving.Detection unit 3
Whether detection nozzle is clean by cleaning, if not up to cleaning angle value, alarm can alarm, and remind staff to carry out again nozzle
Secondary cleaning.The Cleaning Principle of photoelectric detector is：The laser that photoelectric detector sends by coating fluid and nozzle lateral surface meeting
Reflect, photoelectric detector can judge the cleannes of nozzle surface according to the intensity of the reflected light for receiving.
As shown in figures 1 and 3, in a kind of optional embodiment that the present invention is provided, wiper unit 2 includes：
The first cleaning cloth 21 and dry second cleaning cloth 22 immersed with cleaning fluid；
Bracket 23 for supporting and fixing the first cleaning cloth 21 and the second cleaning cloth 22, the bottom of bracket 23 is provided with multiple
First through hole 231, bracket 23 is provided with the second through hole 232 with the side wall of the first corresponding part of cleaning cloth 21.First cleaning cloth
21 are cleaned again by cleaning fluid to nozzle, and the second cleaning cloth 22 can be wiped to nozzle, improve the cleaning of nozzle
Degree.First through hole 231 is easy to unnecessary cleaning fluid to flow out, and the second through hole 232 facilitates insertion into conduit 7 so as to the injection of cleaning fluid.
In a kind of preferably implementation method, the side of squeegee unit 1, first are laterally away from along near the one of squeegee unit 1
The cleaning cleaning cloth 22 of cloth 21 and second is gradually thickening.Such structure setting, is easy to nozzle along the first cleaning cloth 21 and second
Cleaning cloth 22 is moved, and is also allowed for increase first and is cleaned extruding force of the cleaning cloth 22 of cloth 21 and second to nozzle
The specific material of above-mentioned first cleaning cloth 21 and second cleaning cloth 22 can have various, optionally, the first cleaning cloth
It is the dustless cotton being made by any one material in polyester fiber, superfine fibre, submicro scale fiber；And/or,
Second cleaning cloth is to be made by any one material in polyester fiber, superfine fibre, submicro scale fiber
Dustless cotton.
The material of above-mentioned first cleaning cloth 21 and second cleaning cloth 22 can be the same or different.
The replacing of cloth 22 is cleaned for the ease of the first cleaning cloth 21 and second, optionally, bracket 23 has clamping ear 233.
Change first clean the cleaning cloth 22 of cloth 21 and second when bracket 23 can directly be clamped away, the bracket 23 that more renews and the
One cleaning, the second cleaning cloth 22, naturally it is also possible to be changed without bracket 23 and only change the first cleaning cleaning cloth 22 of cloth 21 and second.
The material of above-mentioned bracket and scraping blade is any in polytetrafluoroethylene (PTFE), Kynoar, makrolon, polyimides
It is a kind of.
As shown in figure 4, said nozzle cleaning device, also includes：
Housing 4, housing 4 has for supporting and fixing the first groove 41 of squeegee unit 1, for Support bracket 23 the
Two grooves 42 and for support and fixed test unit 3 the 3rd groove, wherein：The bottom land of the second groove 42 is provided with threeway
Hole 421.The setting of third through-hole 421 is easy to unnecessary and cleaning fluid that is extruding to flow out housing 4.
Further, the side wall of the first groove 41 is provided with cleaning sprayer mouthfuls 411, the side wall of the second groove 42 be provided with
The one-to-one cleaning fluid spout 422 of second through hole 232, is provided with the baffle plate 43 for protecting detection unit 3 in the 3rd groove.Gear
The setting of plate 43 is easy to nozzle movement to touch detection unit 3.The setting of cleaning sprayer mouthful 411 is easy to carry out squeegee unit 1
Cleaning.
The cleaning cloth 22 of distance second that above-mentioned detection unit 3 can be set is away from 0.5 millimeter of one end of the first cleaning cloth 21
~50 millimeters, above-mentioned cleaning fluid can be 1-METHYLPYRROLIDONE, and above-mentioned first cleaning cloth 21 and second cleaning cloth 22 is individual layer
Or sandwich construction, dustless cotton can be used.
Present invention also offers a kind of coating solution equipment, including：Coater nozzle, also including described in any of the above-described
Nozzle cleaning device.The cleannes of nozzle can be improved due to said nozzle cleaning device, therefore the coating fluid that the present invention is provided is applied
Cloth equipment has preferable Painting effect.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this hair to the embodiment of the present invention
Bright spirit and scope.So, if these modifications of the invention and modification belong to the claims in the present invention and its equivalent technologies
Within the scope of, then the present invention is also intended to comprising these changes and modification.
Claims (10)
1. a kind of nozzle cleaning device, it is characterised in that including：
Squeegee unit, the squeegee unit is used to scrape off the coating fluid of nozzle surface；
The wiper unit of the squeegee unit side is arranged at, the wiper unit is used to wipe the nozzle surface.
2. nozzle cleaning device according to claim 1, it is characterised in that also include：For detecting the nozzle surface
Cleannes detection unit.
3. nozzle cleaning device according to claim 2, it is characterised in that the detection unit is photoelectric detector, institute
Stating nozzle cleaning device also includes：
The controller being connected with the photoelectric detector signal, the controller is used for the light detected when the photoelectric detector
Strength signal produces alarm signal when being less than preset value；
The alarm being connected with the controller signals, the alarm produces alarm according to the alarm signal for receiving.
4. nozzle cleaning device according to claim 1, it is characterised in that the wiper unit includes：
The first cleaning cloth and dry second cleaning cloth immersed with cleaning fluid；
Bracket for supporting and fixing the first cleaning cloth and the second cleaning cloth, the bottom of the bracket is provided with multiple
First through hole, the side wall of bracket part corresponding with the described first cleaning cloth is provided with the second through hole.
5. nozzle cleaning device according to claim 4, it is characterised in that along near the lateral remote of the squeegee unit
It is gradually thickening from the side of the squeegee unit, the first cleaning cloth and the second cleaning cloth.
6. nozzle cleaning device according to claim 4, it is characterised in that the first cleaning cloth be by polyester fiber,
The dustless cotton that any one material in superfine fibre, submicro scale fiber is made；And/or,
The second cleaning cloth is to be made by any one material in polyester fiber, superfine fibre, submicro scale fiber
Dustless cotton.
7. nozzle cleaning device according to claim 4, it is characterised in that the bracket has clamping ear.
8. nozzle cleaning device according to claim 7, it is characterised in that also include：
Housing, the housing has for supporting and fixing the first groove of the squeegee unit, for supporting the bracket
Second groove and the 3rd groove for supporting and fixing the detection unit, wherein：The bottom land of second groove is provided with
Third through-hole.
9. nozzle cleaning device according to claim 8, it is characterised in that the side wall of first groove is provided with cleaning
Shower nozzle mouthful, the side wall of second groove be provided with the one-to-one cleaning fluid spout of second through hole, the described 3rd is recessed
The baffle plate for protecting the detection unit is provided with groove.
10. a kind of coating solution equipment, including：Coater nozzle, it is characterised in that also including such as any one of claim 1~9
Described nozzle cleaning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067218.2A CN106733358B (en) | 2017-02-06 | 2017-02-06 | Nozzle cleaning device and coating fluid coating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710067218.2A CN106733358B (en) | 2017-02-06 | 2017-02-06 | Nozzle cleaning device and coating fluid coating apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106733358A true CN106733358A (en) | 2017-05-31 |
| CN106733358B CN106733358B (en) | 2019-10-01 |
Family
ID=58956150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710067218.2A Expired - Fee Related CN106733358B (en) | 2017-02-06 | 2017-02-06 | Nozzle cleaning device and coating fluid coating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106733358B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019056669A1 (en) * | 2017-09-25 | 2019-03-28 | 武汉华星光电技术有限公司 | Cleaning device |
| CN110124920A (en) * | 2019-05-30 | 2019-08-16 | 昆山国显光电有限公司 | A kind of nozzle cleaning device and coating apparatus |
| WO2019184328A1 (en) * | 2018-03-26 | 2019-10-03 | 京东方科技集团股份有限公司 | Nozzle cleaning device, scraper blade replacing apparatus, and scraper blade replacing method |
| JP2020037092A (en) * | 2018-09-06 | 2020-03-12 | 株式会社Ｓｃｒｅｅｎホールディングス | Substrate treatment apparatus and substrate treatment method |
| US11241707B2 (en) | 2018-03-26 | 2022-02-08 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Nozzle cleaning device, doctor blade replacing apparatus and doctor blade replacing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005270841A (en) * | 2004-03-25 | 2005-10-06 | Tokyo Ohka Kogyo Co Ltd | Apparatus for cleaning slit nozzle |
| JP2007237122A (en) * | 2006-03-10 | 2007-09-20 | Tokyo Ohka Kogyo Co Ltd | Apparatus for cleaning slit nozzle |
| CN102161028A (en) * | 2010-02-17 | 2011-08-24 | 东京毅力科创株式会社 | Cleaning device and coating device for slit nozzle |
| CN203591909U (en) * | 2013-12-13 | 2014-05-14 | 合肥京东方光电科技有限公司 | Device for integrated cleaning of inner wall and outer wall of slit nozzle |
| CN205761985U (en) * | 2016-05-20 | 2016-12-07 | 北京京东方显示技术有限公司 | The cleaning device of coating machine nozzle and coating machine |
-
2017
- 2017-02-06 CN CN201710067218.2A patent/CN106733358B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005270841A (en) * | 2004-03-25 | 2005-10-06 | Tokyo Ohka Kogyo Co Ltd | Apparatus for cleaning slit nozzle |
| JP2007237122A (en) * | 2006-03-10 | 2007-09-20 | Tokyo Ohka Kogyo Co Ltd | Apparatus for cleaning slit nozzle |
| CN102161028A (en) * | 2010-02-17 | 2011-08-24 | 东京毅力科创株式会社 | Cleaning device and coating device for slit nozzle |
| CN203591909U (en) * | 2013-12-13 | 2014-05-14 | 合肥京东方光电科技有限公司 | Device for integrated cleaning of inner wall and outer wall of slit nozzle |
| CN205761985U (en) * | 2016-05-20 | 2016-12-07 | 北京京东方显示技术有限公司 | The cleaning device of coating machine nozzle and coating machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019056669A1 (en) * | 2017-09-25 | 2019-03-28 | 武汉华星光电技术有限公司 | Cleaning device |
| WO2019184328A1 (en) * | 2018-03-26 | 2019-10-03 | 京东方科技集团股份有限公司 | Nozzle cleaning device, scraper blade replacing apparatus, and scraper blade replacing method |
| US11241707B2 (en) | 2018-03-26 | 2022-02-08 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Nozzle cleaning device, doctor blade replacing apparatus and doctor blade replacing method |
| JP2020037092A (en) * | 2018-09-06 | 2020-03-12 | 株式会社Ｓｃｒｅｅｎホールディングス | Substrate treatment apparatus and substrate treatment method |
| JP7111565B2 (en) | 2018-09-06 | 2022-08-02 | 株式会社Ｓｃｒｅｅｎホールディングス | SUBSTRATE PROCESSING APPARATUS AND SUBSTRATE PROCESSING METHOD |
| CN110124920A (en) * | 2019-05-30 | 2019-08-16 | 昆山国显光电有限公司 | A kind of nozzle cleaning device and coating apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106733358B (en) | 2019-10-01 |
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