CN103551336A - Cleaning device and cleaning method - Google Patents
Cleaning device and cleaning method Download PDFInfo
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- CN103551336A CN103551336A CN201310560619.3A CN201310560619A CN103551336A CN 103551336 A CN103551336 A CN 103551336A CN 201310560619 A CN201310560619 A CN 201310560619A CN 103551336 A CN103551336 A CN 103551336A
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- cleaning
- rinse bath
- printing plate
- galley
- cleaning device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
- B08B3/123—Cleaning travelling work, e.g. webs, articles on a conveyor
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- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The invention discloses a cleaning device. The cleaning device is used for cleaning a printing plate and comprises a printing plate roller, a revolving shaft, an ultrasonic generator, a support and a cleaning tank, wherein the printing plate roller is sleeved on the revolving shaft, the two ends of the revolving shaft are arranged on the support, the printing plate roller stimulates a printing state and the cleaning tank is arranged below the printing plate roller; the height of the support can be adjusted according to requirements, the printing plate roller is immersed into a cleaning solution in the cleaning tank by adjusting the height of the support, and the ultrasonic generator can transmit ultrasonic waves of different frequencies and is used for cleaning residues in the lattice points of the printing plate. The cleaning device provided by the invention can always stimulate the printing plate roller to be in the printing state, so that the printing plate is always in the cleaning solution, the cleaning time can be reduced and the cleaning efficiency can be improved; the residues in the different lattice points on the printing plates of different models can be cleaned by ultrasonic waves of different frequencies, so that a good cleaning effect can be realized.
Description
Technical field
The present invention relates to technical field of liquid crystal display, relate in particular to a kind of cleaning device and cleaning method.
Background technology
TFT-LCD(Thin Film Transistor-Liquid Crystal Display, film crystal field-effect transistor liquid crystal display) manufacturing is in liquid crystal molding process process, need on substrate, apply alignment films, the material of alignment films is polyimide film (Polyimide, be called for short PI), so PI film generally just refers to alignment films.PI film is by PI Coater(alignment films printing machine) be printed on array (Thin Film Transistor, TFT) substrate and color film (Color Filter, CF) on substrate, in the process of galley printing direction-orienting films on substrate, want frequent transfer printing orientation liquid, and in orientation liquid, tend to exist a small amount of impurity, and after switching, the model of galley needs galley to clean timely and effectively.
Existing galley cleaning device as shown in Figure 1, galley 00 is vertically fixed on and is cleaned on support 05, clean support 05 and be " door " font, centre clamps needs galley 00 to be cleaned, mechanical arm 06 captures the top of support, make galley 00 moving up and down in rinse bath 01,02, realize the cleaning to galley 00.Galley 00 captures under the control of cleaning support 05 at mechanical arm 06, enter into successively the first rinse bath 01, the second rinse bath 02, tank 03 and dry slot 04, wherein in the first rinse bath 01 and the second rinse bath 02, cleaning fluid is all housed, cleaning fluid is 1-METHYLPYRROLIDONE (being NMP), in tank 03, deionized water is housed, in dry slot 04, dry gas is housed.Although this cleaning device can be realized the cleaning performance to galley 00, still there is following problem:
1. clean support and clamping galley and move up and down while cleaning, probably have half the time galley not contact with cleaning fluid, so cleaning efficiency is low;
2. the ultrasonic frequency size of using while cleaning is unadjustable, and the site foreign matter of different sizes in different model galley cannot be reached comprehensively and be cleaned thoroughly;
3. clean support and adopt vertical fixing mode, easily distortion of long-term use, thus interfere and cause that other are bad with rinse bath;
4. the cleaning fluid in rinse bath is repeatedly used, and cannot detect in time the virtual condition of cleaning fluid, if cleaning fluid cleans the number of times of galley, surpasses the cleaning performance that just can not realize ideal after predetermined threshold.
Therefore, existing galley cleaning device can only carry out the cleaning of yo-yo fashion, and because hyperacoustic frequency size is fixing, for the foreign matter of different sizes, cannot realize thoroughly and cleaning, and cleaning efficiency is very low, and cleaning performance is also bad.
Summary of the invention
(1) technical problem that will solve
For above-mentioned defect, the technical problem to be solved in the present invention is the cleaning efficiency how improving residue in galley site.
(2) technical scheme
For addressing the above problem, the invention provides a kind of cleaning device, comprising: printing plate cylinder, rotating shaft, supersonic generator, support and rinse bath;
Described printing plate cylinder is sleeved in described rotating shaft, the two ends of described rotating shaft are arranged on described support, described printing plate cylinder simulate press state, the below of described printing plate cylinder is provided with described rinse bath, the height of described support regulates as required, by regulating printing plate cylinder described in the height of described support to be immersed in the cleaning fluid of described rinse bath, described supersonic generator can be launched the ultrasonic wave of different frequency, for the residue in described galley site, cleans.
Further, described cleaning device also comprises automatic control unit, is connected with described supersonic generator, and hyperacoustic frequency of described supersonic generator transmitting is controlled.
Further, described cleaning device also comprises reservoir, is arranged on the below of described rinse bath.
Further, the below of described rinse bath offers lower liquid valve and outlet, and described lower liquid valve and described outlet are arranged on the bottom of described rinse bath, for the cleaning fluid after cleaning is completed, is discharged to described reservoir.
Further, described outlet place is also provided with densimeter, for the concentration of lotion that described rinse bath is discharged, detects, and confirms whether described concentration of lotion surpasses default concentration threshold, if surpass, the cleaning fluid in described rinse bath changed, otherwise do not changed cleaning fluid.
Further, described cleaning device also comprises liquid pump, is arranged on the bottom of described support.
Further, described cleaning device also comprises driver element, is connected, for described rotating shaft provides power with described rotating shaft.
Further, described automatic control unit is also connected with described driver element with described lower liquid valve, described upper liquid pump.
For addressing the above problem, the present invention also provides a kind of cleaning method, comprises the following steps:
Printing plate cylinder rotates, the state that simulation is printed galley;
Under the control of supersonic generator, described galley is cleaned, and the cleaning fluid after cleaning is discharged;
Concentration to the cleaning fluid of discharging detects, and concentration of lotion is judged whether the cleaning fluid in rinse bath to change;
If do not change described cleaning fluid, be discharged in reservoir and stored, and be pumped in described rinse bath by upper liquid pump.
Further, described ultrasonic wave is sent out generator and is launched the large I of hyperacoustic frequency and regulate as required.
Further, described concentration of lotion judged specifically and comprised:
The concentration of lotion that detection is obtained and default concentration threshold compare, if surpass described concentration threshold, the cleaning fluid in described rinse bath is changed, otherwise do not changed.
(3) beneficial effect
The invention provides a kind of cleaning device, comprise: printing plate cylinder, rotating shaft, supersonic generator, support and rinse bath, printing plate cylinder is sleeved in rotating shaft, the two ends of rotating shaft are arranged on support, printing plate cylinder simulate press state, the below of printing plate cylinder is provided with rinse bath, the height of support regulates as required, by regulating the height printing plate cylinder of support to be immersed in the cleaning fluid of rinse bath, supersonic generator can be launched the ultrasonic wave of different frequency, for the residue in galley site, cleans.This cleaning device is by the galley cleaning device using in existing TFT-LCD manufacturing PI film coating process is improved, by printing plate cylinder always simulate press state the mode in cleaning fluid indirectly reduce scavenging period, improve cleaning efficiency.For the galley site residue of different sizes, pass through to use the ultrasonic wave of different frequency simultaneously, greatly improved cleaning performance.Therefore, cleaning device provided by the invention can improve the cleaning efficiency to galley, can also realize good cleaning performance simultaneously.
Accompanying drawing explanation
Fig. 1 is the composition structural representation of cleaning device in prior art;
Fig. 2 is the composition structural representation of a kind of cleaning device provided by the invention;
Fig. 3 is the flow chart of steps of a kind of cleaning method provided by the invention.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
The invention provides a kind of cleaning device, form structural representation as shown in Figure 2, comprise: printing plate cylinder 1, rotating shaft 2, supersonic generator 3, support 4 and rinse bath 6, printing plate cylinder 1 is sleeved in rotating shaft 2, the two ends of rotating shaft 2 are arranged on support 4, printing plate cylinder 1 simulate press state, the below of printing plate cylinder 1 is provided with rinse bath 6, the height of support 4 regulates as required, by regulating the height printing plate cylinder 1 of support 4 to be immersed in the cleaning fluid of rinse bath 6, supersonic generator 3 can be launched the ultrasonic wave of different frequency, for the residue in galley site is cleaned.
Above-mentioned cleaning device is by by printing plate cylinder simulate press state always, and always in cleaning fluid, can indirectly reduce scavenging period, improves cleaning efficiency.For the residue in the galley site of different sizes in different model galley being removed effectively up hill and dale, the ultrasonic wave that supersonic generator can vary in size for different demand tranmitting frequencies, realize good cleaning performance, effectively to have improved the cleaning way that prior art moves up and down affect the problem of cleaning efficiency, and overcome that ultrasonic frequency is fixed and the not good drawback of cleaning performance brought.
In the embodiment of the present invention for cleaning the cleaning device of galley, existing galley cleaning device is improved, printing plate cylinder is sleeved in rotating shaft, can be along with rotating shaft is rotated, make printing plate cylinder in simulate press state, galley can be always in cleaning fluid, be no longer in prior art in the process moving up and down galley only have half the time to clean in cleaning fluid, therefore can reduce the time of cleaning galley, improve cleaning efficiency.
Preferably, cleaning device in the embodiment of the present invention also comprises automatic control unit, not shown in Fig. 2, for being connected with supersonic generator 3, hyperacoustic frequency to supersonic generator 3 transmittings is controlled, the ultrasonic wave that tranmitting frequency varies in size according to demand.The galley surface of different model has the galley site of different sizes, and the ultrasonic wave that need to vary in size by frequency for different big or small galley sites cleans, and residues different in site thoroughly could be washed, and realizes good cleaning performance.Wherein, the diameter of the residue particulate on galley site and a kind of best correspondence of ultrasonic frequency are: residue particulate more than 10um adopts the ultrasonic wave of 40kHz to clean, and the residue particulate below 10um adopts the ultrasonic wave of 72kHz to clean.It should be noted that, in the present embodiment, the corresponding relation of residue particle size and ultrasonic frequency is determined based on experience value.
Preferably, the cleaning device in the embodiment of the present invention also comprises reservoir 5, is arranged on the below of rinse bath 6.Below rinse bath 6, also offer lower liquid valve 8 and outlet 9, lower liquid valve 8 and outlet 9 are arranged on the bottom of rinse bath 6, for the cleaning fluid after rinse bath 6 cleaning operations are completed, are discharged in reservoir 5.As shown in Figure 2, the size of reservoir 5 will be a bit larger tham the size of rinse bath 6, and in the outside of rinse bath 6 bottoms, is also provided with two overflow launder outlets 7, for the cleaning fluid that rinse bath 6 is overflowed, is also discharged in reservoir 5.
It should be noted that, for the number of overflow launder outlet 7, do not limit, is to take two for example describes in the present embodiment, can also change as required in other embodiments of the invention overflow launder and export 7 number.
Preferably, in cleaning device in the embodiment of the present invention, at outlet 9 places, be also provided with densimeter, for the concentration of lotion that rinse bath 6 is discharged, detect, confirm whether concentration of lotion surpasses default concentration threshold, if surpass, the cleaning fluid in rinse bath 6 changed, otherwise do not changed cleaning fluid.Wherein default concentration threshold is to determine based on experience value, and this concentration threshold is to descend clearly effect to limit to cleaning fluid, surpasses this default concentration threshold and cannot realize due clear lower effect.Adopt this kind of structure can obtain in time the concentration of lotion in rinse bath 6, to determine the clean level of the cleaning fluid in rinse bath 6, if the excessive concentration of cleaning fluid will affect cleaning performance, need to change in time, to manage automatically and reasonably whole cleaning process, also can improve further cleaning efficiency.
Preferably, the cleaning device in the embodiment of the present invention also comprises liquid pump 10, is arranged on the bottom of support 4.As shown in Figure 2, upper liquid pump 10 is arranged on the bottom in the support 4 of reservoir 5 one sides.It should be noted that, in the present embodiment, upper liquid pump 10 and supersonic generator 3 are arranged on to the not homonymy of support, just, for the upper-lower position relation of supersonic generator 3, upper liquid pump 10 and support 4 is described, can also adjust supersonic generator 3 and upper liquid pump 10 left and right relations in other embodiments of the invention.
Preferably, the cleaning device in the embodiment of the present invention also comprises driver element, not shown in Fig. 2, is connected, for rotating shaft 2 provides power with rotating shaft 2.In addition, automatic control unit is also connected with lower liquid valve 8, upper liquid pump 10 and above-mentioned driver element, realizes the automatic control to cleaning.
In sum, a kind of cleaning device that the embodiment of the present invention provides, by the galley cleaning device using in existing TFT-LCD manufacturing PI film coating process is improved, by printing plate cylinder always simulate press state the mode in cleaning fluid indirectly reduce scavenging period, improve cleaning efficiency.For the galley site residue of different sizes, pass through to use the ultrasonic wave of different frequency simultaneously, greatly improved cleaning performance.Therefore, cleaning device provided by the invention can improve the cleaning efficiency to galley, can also realize good cleaning performance simultaneously.
Based on above-mentioned cleaning device, the embodiment of the present invention also provides a kind of cleaning method, and steps flow chart as shown in Figure 3, comprises the following steps:
Step S1, printing plate cylinder rotate, the state that simulation is printed galley.
Step S2, under the control of supersonic generator, galley is cleaned, and the cleaning fluid after cleaning is discharged.
Step S3, the concentration of the cleaning fluid of discharging is detected, and concentration of lotion is judged whether the cleaning fluid in rinse bath to change.
If step S4 does not change cleaning fluid, be discharged in reservoir and stored, and be pumped in rinse bath by upper liquid pump.
Cleaning method based on above-mentioned steps, can utilize printing plate cylinder simulate press state always, make galley always in cleaning fluid, reduce scavenging period, concentration of lotion is detected in real time, prevent the too high cleaning performance that affects of concentration of lotion, the ultrasonic wave that frequency of utilization varies in size cleans also and can thoroughly effectively the residue in galley site be removed, and realizes good cleaning performance.
Preferably, the ultrasonic wave in the present embodiment is sent out generator and is launched the large I of hyperacoustic frequency and regulate as required.The galley surface of different model has the galley site of different sizes, and the ultrasonic wave that need to vary in size by frequency for different big or small galley sites cleans, and residues different in site thoroughly could be washed, and realizes good cleaning performance.Wherein, the diameter of the residue particulate on galley site and a kind of best correspondence of ultrasonic frequency are: residue particulate more than 10um adopts the ultrasonic wave of 40kHz to clean, and the residue particulate below 10um adopts the ultrasonic wave of 72kHz to clean.It should be noted that, in the present embodiment, the corresponding relation of residue particle size and ultrasonic frequency is determined based on experience value.
Preferably, concentration of lotion is judged specifically and is comprised:
The concentration of lotion that detection is obtained and default concentration threshold compare, if surpass concentration threshold, the cleaning fluid in rinse bath is changed, otherwise do not changed.
By the concentration of cleaning fluid in rinse bath is detected, compare with default concentration threshold more afterwards, to determine the clean level of the cleaning fluid in rinse bath, if the excessive concentration of cleaning fluid will affect cleaning performance, need to change in time, to manage automatically and reasonably whole cleaning process, also can improve further cleaning efficiency.
In sum, the cleaning method that the present embodiment provides, printing plate cylinder is simulate press state the mode in cleaning fluid always, can indirectly reduce scavenging period, improves cleaning efficiency.For the galley site residue of different sizes, pass through to use the ultrasonic wave of different frequency simultaneously, greatly improved cleaning performance.Therefore, cleaning method provided by the invention can improve the cleaning efficiency to galley, can also realize good cleaning performance simultaneously.
Above embodiment is only for illustrating the present invention; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; without departing from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be defined by the claims.
Claims (11)
1. a cleaning device, for cleaning galley, is characterized in that, comprising: printing plate cylinder, rotating shaft, supersonic generator, support and rinse bath;
Described printing plate cylinder is sleeved in described rotating shaft, the two ends of described rotating shaft are arranged on described support, described printing plate cylinder simulate press state, the below of described printing plate cylinder is provided with described rinse bath, the height of described support regulates as required, by regulating printing plate cylinder described in the height of described support to be immersed in the cleaning fluid of described rinse bath, described supersonic generator can be launched the ultrasonic wave of different frequency, for the residue in described galley site, cleans.
2. cleaning device as claimed in claim 1, is characterized in that, also comprises automatic control unit, is connected with described supersonic generator, and hyperacoustic frequency of described supersonic generator transmitting is controlled.
3. cleaning device as claimed in claim 1, is characterized in that, also comprises reservoir, is arranged on the below of described rinse bath.
4. cleaning device as claimed in claim 3, it is characterized in that, the below of described rinse bath offers lower liquid valve and outlet, and described lower liquid valve and described outlet are arranged on the bottom of described rinse bath, for the cleaning fluid after cleaning is completed, is discharged to described reservoir.
5. cleaning device as claimed in claim 4, it is characterized in that, described outlet place is also provided with densimeter, for the concentration of lotion that described rinse bath is discharged, detect, confirm whether described concentration of lotion surpasses default concentration threshold, if surpass, the cleaning fluid in described rinse bath changed, otherwise do not changed cleaning fluid.
6. cleaning device as claimed in claim 1, is characterized in that, also comprises liquid pump, is arranged on the bottom of described support.
7. cleaning device as claimed in claim 1, is characterized in that, also comprises driver element, is connected, for described rotating shaft provides power with described rotating shaft.
8. the cleaning device as described in any one in claim 2,4,6 or 7, is characterized in that, described automatic control unit is also connected with described driver element with described lower liquid valve, described upper liquid pump.
9. a cleaning method, is characterized in that, described method comprises:
Printing plate cylinder rotates, the state that simulation is printed galley;
Under the control of supersonic generator, described galley is cleaned, and the cleaning fluid after cleaning is discharged;
Concentration to the cleaning fluid of discharging detects, and concentration of lotion is judged whether the cleaning fluid in rinse bath to change;
If do not change described cleaning fluid, be discharged in reservoir and stored, and be pumped in described rinse bath by upper liquid pump.
10. cleaning method as claimed in claim 9, is characterized in that, described ultrasonic wave is sent out generator and launched the large I of hyperacoustic frequency and regulate as required.
11. cleaning methods as claimed in claim 9, is characterized in that, described concentration of lotion is judged specifically and comprised:
The concentration of lotion that detection is obtained and default concentration threshold compare, if surpass described concentration threshold, the cleaning fluid in described rinse bath is changed, otherwise do not changed.
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| CN201310560619.3A CN103551336A (en) | 2013-11-12 | 2013-11-12 | Cleaning device and cleaning method |
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| CN201310560619.3A CN103551336A (en) | 2013-11-12 | 2013-11-12 | Cleaning device and cleaning method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104475392A (en) * | 2014-11-14 | 2015-04-01 | 无锡信大气象传感网科技有限公司 | New part cleaning device |
| CN104588362A (en) * | 2015-01-08 | 2015-05-06 | 北京航天试验技术研究所 | Automatic detection and cleaning system of redundant substance of liquid rocket engine pipeline |
| CN104607412A (en) * | 2015-02-11 | 2015-05-13 | 贝内克-长顺汽车内饰材料（张家港）有限公司 | Ultrasonic cleaning device for water-based paint printing rolls |
| CN104849347A (en) * | 2015-05-29 | 2015-08-19 | 京东方科技集团股份有限公司 | Method and system for detecting application degree of cleaning fluid |
| CN106914366A (en) * | 2015-12-17 | 2017-07-04 | 东丽工程株式会社 | Spreader cleaning device and apparatus for coating |
| CN110001064A (en) * | 2018-01-05 | 2019-07-12 | 渭南鼎信创新智造科技有限公司 | A kind of Stereo Lithography Quick-forming cleaning equipment and its cleaning method |
| CN112354964A (en) * | 2020-10-14 | 2021-02-12 | 宁波格劳博智能工业有限公司 | Full-automatic cleaning and detecting equipment and method for lithium battery gravure printing roller |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104475392A (en) * | 2014-11-14 | 2015-04-01 | 无锡信大气象传感网科技有限公司 | New part cleaning device |
| CN104588362A (en) * | 2015-01-08 | 2015-05-06 | 北京航天试验技术研究所 | Automatic detection and cleaning system of redundant substance of liquid rocket engine pipeline |
| CN104588362B (en) * | 2015-01-08 | 2016-09-14 | 北京航天试验技术研究所 | A kind of liquid-propellant rocket engine pipeline fifth wheel detects and purging system automatically |
| CN104607412A (en) * | 2015-02-11 | 2015-05-13 | 贝内克-长顺汽车内饰材料（张家港）有限公司 | Ultrasonic cleaning device for water-based paint printing rolls |
| CN104849347A (en) * | 2015-05-29 | 2015-08-19 | 京东方科技集团股份有限公司 | Method and system for detecting application degree of cleaning fluid |
| CN104849347B (en) * | 2015-05-29 | 2018-03-09 | 京东方科技集团股份有限公司 | A kind of method and system for detecting cleaning fluid usage degree |
| CN106914366A (en) * | 2015-12-17 | 2017-07-04 | 东丽工程株式会社 | Spreader cleaning device and apparatus for coating |
| CN110001064A (en) * | 2018-01-05 | 2019-07-12 | 渭南鼎信创新智造科技有限公司 | A kind of Stereo Lithography Quick-forming cleaning equipment and its cleaning method |
| CN112354964A (en) * | 2020-10-14 | 2021-02-12 | 宁波格劳博智能工业有限公司 | Full-automatic cleaning and detecting equipment and method for lithium battery gravure printing roller |
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Application publication date: 20140205 |