CN102921596B - Continuity point colloid system and continuity point gluing method - Google Patents
Continuity point colloid system and continuity point gluing method Download PDFInfo
- Publication number
- CN102921596B CN102921596B CN201110225777.4A CN201110225777A CN102921596B CN 102921596 B CN102921596 B CN 102921596B CN 201110225777 A CN201110225777 A CN 201110225777A CN 102921596 B CN102921596 B CN 102921596B
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- Prior art keywords
- glue
- viscose glue
- pump housing
- channel
- gas separator
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Links
- 239000000084 colloidal system Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000004026 adhesive bonding Methods 0.000 title claims description 7
- 239000003292 glue Substances 0.000 claims abstract description 152
- 229920000297 Rayon Polymers 0.000 claims abstract description 69
- 230000004888 barrier function Effects 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 49
- 230000008901 benefit Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of continuity point colloid system, comprise a glue pump housing, described some glue pump housing lower end is provided with a plastic pin, and be provided with plunger in the some glue pump housing, described glue pump housing top is provided with gas separator, and described gas separator is provided with viscose glue entrance; Described gas separator comprises first passage and second channel, described first passage respectively with the inner space of described viscose glue entrance and the described some glue pump housing, second channel is communicated with vavuum pump; Separated by barrier film between two passages, described barrier film is provided with micropore, and the diameter of micropore is greater than the diameter of air molecule and is less than the diameter of viscose glue molecule.The present invention carries out the degassed process of secondary to viscose glue, the molecule level gas dissolved in viscose glue can be separated by gas separator, thus ensure the pure quiet degree of the viscose glue in inlet point glue pump, gas evolution is there will not be in a glue process, the liquid crystal display bubble-free produced is ensure that while realizing continuity point glue, substantially increase production efficiency and product percent of pass, the generation reducing product produces this.
Description
Technical field
The present invention relates to liquid crystal display production field, specifically, is a kind ofly produce the continuity point colloid system and continuity point gluing method that the liquid crystal displays such as capacitance touch screen use.
Background technology
Capacitance touch screen, because have light transmittance and the advantage such as definition is high, accurate positioning, support multiple point touching, has been widely applied to the field such as mobile phone, panel computer.But capacitance touch screen is when production process, and under non-vacuum environment, traditional some colloid system is generally adopt plunger type (syringe).Utilize thrust to make forward plunger motion, liquid state colloid is extruded and is applied to workpiece.But this some glue mode cannot realize continuity point glue and produce.When a pipe glue is finished, need to stop to produce, in pin packing element, mend glue, its complex operation, production efficiency is low.In order to enhance productivity, in prior art, there is continuity point colloid system.But this continuity point colloid system ubiquity bubble phenomenon, requiring high photoelectric field (as liquid crystal display), need to do deaeration process to glue, and the deaeration techniques such as centrifugal mixer formula of the prior art only can remove the bubble contained in glue, but be also dissolved with the gas of molecule level in glue, prior art cannot remove, the impact of condition such as to be stressed when glue of these gases can be separated out, make to occur steam bubble in liquid crystal display, need manual removal again to bond, there is the problems such as rework rate is high, qualification rate is low.It is high that these technical problems result in the product prices such as capacitance touch screen, limits applying of product.
In addition, existing some colloid system in use ubiquity overflows glue phenomenon, in order to solve excessive glue problem, a kind of practice of the prior art is, after having produced a product, make to produce negative pressure in a packing element, to make a glue of plastic pin end to resorption a bit, but this technology needs accurately to control resorption amount, and slightly error just easily sucks space, cause bubble to produce, affect production qualification rate.
Summary of the invention
The technical problem to be solved in the present invention is to provide high, the degassed clean nothing of a kind of production efficiency and overflows the high continuity point colloid system of glue, yield rate and continuity point gluing method.
In order to solve the problems of the technologies described above, the invention provides a kind of continuity point colloid system, comprise a glue pump housing, described some glue pump housing lower end is provided with a plastic pin, be provided with plunger in the some glue pump housing, described glue pump housing top is provided with gas separator, and described gas separator is provided with viscose glue entrance; Described gas separator comprises first passage and second channel, described first passage respectively with the inner space of described viscose glue entrance and the described some glue pump housing, second channel is communicated with vavuum pump; Separated by barrier film between two passages, described barrier film is provided with micropore, and the diameter of micropore is greater than the diameter of air molecule and is less than the diameter of viscose glue molecule.
Further, the inner chamber top of described some plastic pin is provided with pressure valve.
Further, described plunger is screw plunger.
Further, described gas separator is ring-type, is located on described glue pump housing top periphery.
Further, the viscose glue entrance on described gas separator connects the container filling viscose glue by pipeline, described pipeline is provided with defeated glue pump, and described pipe end stretches into the bottom of described container; The top of described container is communicated with vavuum pump.
Further, the pipeline between described defeated glue pump device separated from the gas is provided with check valve.
Further, the top of described container is also connected with mends Jiao Kou, and described benefit Jiao Kou is provided with stop valve.
Present invention also offers a kind of continuity point gluing method, comprising:
Slough the bubble in viscose glue;
Slough dissolved gases in viscose glue;
The viscose glue sloughing bubble and gas is sent into some glue pump;
Point glue pump is utilized to carry out the production of continuity point glue.
Further, the method for sloughing dissolved gases in viscose glue described in is:
There is provided first passage and second channel, separated between two passages by barrier film, described barrier film is provided with micropore, and the diameter of micropore is greater than the diameter of air molecule and is less than the diameter of viscose glue molecule;
Make viscose glue by a first passage, and second channel is communicated with vacuum source, make dissolved gases in viscose glue separate out under negative pressure and enter second channel by the micropore on barrier film, drain via vacuum source.
The present invention can be separated the molecule level gas dissolved in viscose glue by gas separator, thus ensure the pure quiet degree of the viscose glue in inlet point glue pump, gas evolution is there will not be in a glue process, the liquid crystal display bubble-free produced is ensure that while realizing continuity point glue, substantially increase production efficiency and product percent of pass, the generation reducing product produces this.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of continuity point colloid system of the present invention.
Fig. 2 is the structural representation of an embodiment of gas separator in the present invention.
Fig. 3 is the structural representation of another preferred embodiment of gas separator in the present invention.
Fig. 4 is the front view of middle bimetallic tube embodiment illustrated in fig. 3.
Fig. 5 is the stereogram of middle bimetallic tube embodiment illustrated in fig. 3.
In figure: 1. mend Jiao Kou, 2. stop valve, 3. container, 4. viscose glue, 5. vavuum pump, 6. defeated glue pump, 7. pipeline, 8. check valve, 9. gas separator, 10. plunger, 11. glue pump housings, 12. pressure valve, 13. plastic pins, 14. workpiece, 15. first passages, 16. second channels, 17. barrier films, 18. viscose glue entrances, 19. suction mouths, 20. seals, 21. bimetallic tubes, 211. outer tubes, pipe in 212,22. spiral grooves.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described, can better understand the present invention and can be implemented, but illustrated embodiment is not as a limitation of the invention to make those skilled in the art.
As shown in Figure 1, continuity point colloid system of the present invention comprises a glue pump housing 11, and the some glue pump housing 11 lower end is provided with a plastic pin 13, is provided with plunger 10 in the some glue pump housing 11, and puts the glue pump housing 11 top and be provided with gas separator 9, and gas separator 9 is provided with viscose glue entrance; Viscose glue entrance is connected by pipeline 7 and fills the container 3 of viscose glue 4, and pipeline 7 is provided with defeated glue pump 6, and the bottom of described container 3 is stretched in pipeline 7 end, defeated glue pump 6 device separated from the gas 9 between pipeline be provided with check valve 8; The top of container 3 is communicated with vavuum pump 5; The top of container 3 is also connected with mends glue mouth 1, mends glue mouth 1 and is provided with stop valve 2.
During work, be evacuated by the top of vavuum pump 5 by container 3, the bubble in the viscose glue 4 in container 3 rises to container 3 top under vacuum, takes away through vavuum pump 5, realizes a de-bubbled process.Viscose glue after de-bubbled is transported to gas separator 9 by defeated glue pump 6, carries out the degassed process of secondary in gas separator 9, removes the molecule level gas dissolved in viscose glue.Then, the viscose glue inlet point glue pump housing 11, realizes some glue and produces under the promotion of plunger 10.Check valve 8 on pipeline 7 can cause viscose glue to reflux due to the increase of pressure in a glue pump housing 11 during anti-stop glue.When viscose glue in container 3 is not enough, stop valve 2 can being opened, in container 3, mending glue by mending glue mouth 1.
Embodiment as shown in Figure 2, gas separator 9 of the present invention comprises first passage 15 and second channel 16, first passage 15 respectively with the inner space of described viscose glue entrance and the some glue pump housing 11, second channel 16 is communicated with vavuum pump 5; Separated by barrier film 17 between two passages, barrier film 17 is provided with micropore, and the diameter of micropore is greater than the diameter of air molecule and is less than the diameter of viscose glue molecule.Utilize vavuum pump 5 to be evacuated by second channel 16, produce negative pressure.Under suction function, the gas in the viscose glue in first passage 15 is precipitated, and the micropore of gas on barrier film 17 of precipitation enters second channel 16, and siphons away through vavuum pump 5.Diameter due to micropore is greater than the diameter of air molecule and is less than the diameter of viscose glue molecule, its allow air through and viscose glue is blocked in first passage 15, thus realize the degassed process of secondary.
In the embodiment depicted in figure 2, the some first passages be made up of tubular diaphragm 15 are placed in a second channel 16.Gas separator 9 can be set to ring-type, is located on the glue pump housing 11 top periphery, can increases filter area like this, improves degassing efficiency.
As shown in Fig. 3 ~ 5, it is a better embodiment.In this embodiment, gas separator is a bimetallic tube 21 made by porous material, and outer tube 211 outer wall of bimetallic tube 21 is provided with spiral groove 22.Bimetallic tube 21 is sealed in a top of the glue pump housing 11 inner chamber by seal 20, and the spiral groove 22 between outer tube 211 outer wall and the some glue pump housing 11 inwall forms described first passage 15, forms described second channel 16 between the outer tube 211 of bimetallic tube 21 and interior pipe 212; The upper end of spiral groove 22 is communicated with viscose glue entrance 18, lower end and the some glue pump housing 11 inner space, and second channel 16 is provided with suction mouth 19, and suction mouth 19 is connected to vavuum pump 5; Plunger 10 is through the interior pipe 212 of bimetallic tube 21.During use, viscose glue enters spiral first passage 15 through viscose glue entrance 18, and flows into the inner chamber of the some glue pump housing 11 along first passage 15, meanwhile, utilizes vavuum pump 5 to be vacuumized by the second channel 16 between outer tube 211 and interior pipe 212.In the process that viscose glue flows in spiral first passage 15, due to the effect of negative pressure of vacuum in second channel 16, be dissolved in the most of gas evolution in viscose glue, and enter second channel 16 through the tube wall of outer tube 211, then drain.
As a further improvement on the present invention, pressure valve 12 can be set on the inner chamber top of a plastic pin 13.Open when the pressure of pressure valve 12 in a glue pump housing 11 reaches a predetermined value, allow viscose glue to pass through; When pressure is less than predetermined value, pressure valve is closed.Thus, when needing glue, plunger applies pressure, promote plunger 10 and move down, the viscose glue pressure increase in the some glue pump housing 11.When viscose glue pressure reaches predetermined value, pressure valve 12 is opened, and viscose glue is coated on workpiece 14 by a plastic pin 13.When having produced a slice workpiece, the pressure on release plunger 10, the viscose glue pressure in the some glue pump housing 11 has reduced, and when viscose glue pressure is reduced to below predetermined value, pressure valve 10 is closed, thus ensures both can not overflow glue, can not have again air inlet point plastic pin 13.
Preferably, plunger 10 is screw plunger, namely on the outer surface of plunger 10 bottom, arranges spirality channel.The effect of spirality channel is when plunger 10 moves to bottom a glue pump housing 11, and need to retract plunger 10, the viscose glue now in gas separator 9 can enter the space of plunger 10 bottom along spirality channel, gets ready for putting glue next time.In addition, when glue, due to the effect of shearing force and frictional force, can produce high temperature, high temperature can make a small amount of residual gas dissolved in viscose glue separate out, and forms bubble.In the present invention, these bubbles are under buoyancy, and the spirality channel along plunger periphery rises and enters gas separator 9, and is drained by vavuum pump.Especially in embodiment illustrated in fig. 3, the bubble produced because of shearing force and frictional force both can enter first passage and enter into second channel through outer tube, the gap that also can enter between interior pipe and plunger enters second channel through interior pipe, degassed completely, efficiency is high.The present invention can realize three grades of degassed process, and structure is simple, and cost is low.
Continuity point gluing method of the present invention first sloughs the bubble in viscose glue, then sloughs dissolved gases in viscose glue, then the viscose glue sloughing bubble and gas sent into some glue pump, finally utilizes some glue pump to carry out the production of continuity point glue.
Wherein, sloughing a kind of method for optimizing of dissolved gases in viscose glue is: provide first passage and second channel, separated between two passages by barrier film, described barrier film is provided with micropore, and the diameter of micropore is greater than the diameter of air molecule and is less than the diameter of viscose glue molecule; Make viscose glue by a first passage, and second channel is communicated with vacuum source, make dissolved gases in viscose glue separate out under negative pressure and enter second channel by the micropore on barrier film, drain via vacuum source.
The above embodiment is only that protection scope of the present invention is not limited thereto in order to absolutely prove the preferred embodiment that the present invention lifts.The equivalent alternative or conversion that those skilled in the art do on basis of the present invention, all within protection scope of the present invention.Protection scope of the present invention is as the criterion with claims.
Claims (8)
1. a continuity point colloid system, comprises a glue pump housing, and described some glue pump housing lower end is provided with a plastic pin, and be provided with plunger in the some glue pump housing, it is characterized in that, described glue pump housing top is provided with gas separator, and described gas separator is provided with viscose glue entrance; Described gas separator comprises first passage and second channel, described first passage respectively with the inner space of described viscose glue entrance and the described some glue pump housing, second channel is communicated with vavuum pump; Separated by barrier film between described first passage and second channel, described barrier film is provided with micropore, and the diameter of micropore is greater than the diameter of air molecule and is less than the diameter of viscose glue molecule, and wherein, described gas separator is set to ring-type, is located on a glue pump housing top periphery.
2. continuity point colloid system according to claim 1, is characterized in that, the inner chamber top of described some plastic pin is provided with pressure valve.
3. continuity point colloid system according to claim 1, is characterized in that, described plunger is screw plunger.
4. continuity point colloid system according to claim 1, is characterized in that, the bimetallic tube that described gas separator is manufactured by porous material is formed, and the outer tube outer wall of bimetallic tube is formed with spiral groove; Described bimetallic tube is sealed in the top of described some glue pump housing inner chamber by seal, the spiral groove on described outer tube outer wall and form described first passage between the some glue pump housing, forms described second channel between the two-layer tube wall of described bimetallic tube; The upper end of described spiral groove is communicated with described viscose glue entrance, lower end and described some glue pump housing inner space, and described second channel is provided with suction mouth; Described plunger is through the interior pipe of described bimetallic tube.
5. continuity point colloid system according to claim 1, is characterized in that, the viscose glue entrance on described gas separator connects the container filling viscose glue by pipeline, described pipeline is provided with defeated glue pump, and described pipe end stretches into the bottom of described container; The top of described container is communicated with vavuum pump.
6. continuity point colloid system according to claim 5, is characterized in that, the pipeline between described defeated glue pump device separated from the gas is provided with check valve.
7. continuity point colloid system according to claim 5, is characterized in that, the top of described container is also connected with mends Jiao Kou, and described benefit Jiao Kou is provided with stop valve.
8. a continuity point gluing method, is characterized in that, comprising:
Slough the bubble in viscose glue;
Utilize and be located on the gas separator that a glue pump housing top periphery is set to ring-type and slough dissolved gases in viscose glue;
The viscose glue sloughing bubble and gas is sent into some glue pump;
Point glue pump is utilized to carry out the production of continuity point glue;
Wherein, the method for sloughing dissolved gases in viscose glue described in is:
There is provided first passage and second channel, separated between first passage and second channel by barrier film, described barrier film is provided with micropore, and the diameter of micropore is greater than the diameter of air molecule and is less than the diameter of viscose glue molecule;
Make viscose glue by first passage, and second channel is communicated with vacuum source, make dissolved gases in viscose glue separate out under negative pressure and enter second channel by the micropore on barrier film, drain via vacuum source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110225777.4A CN102921596B (en) | 2011-08-08 | 2011-08-08 | Continuity point colloid system and continuity point gluing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110225777.4A CN102921596B (en) | 2011-08-08 | 2011-08-08 | Continuity point colloid system and continuity point gluing method |
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| Publication Number | Publication Date |
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| CN102921596A CN102921596A (en) | 2013-02-13 |
| CN102921596B true CN102921596B (en) | 2015-09-09 |
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| CN201110225777.4A Expired - Fee Related CN102921596B (en) | 2011-08-08 | 2011-08-08 | Continuity point colloid system and continuity point gluing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103212512B (en) * | 2013-04-28 | 2015-09-30 | 迈得医疗工业设备股份有限公司 | Glue spreading apparatus in a kind of medical needle kludge |
| CN104437980A (en) * | 2014-12-19 | 2015-03-25 | 深圳市轴心自控技术有限公司 | Dispensing feeding system |
| CN104907224B (en) * | 2015-06-03 | 2017-04-12 | 宜昌劲森光电科技股份有限公司 | Glue pouring method for quantum dot colloid |
| CN106040538B (en) * | 2016-08-10 | 2019-01-22 | 东莞市凯格精密机械有限公司 | Dispensing equipment |
| CN109701831B (en) * | 2018-11-14 | 2024-05-24 | 中材锂膜有限公司 | Lithium battery diaphragm coating slurry return feeding tank and use method |
| CN112439639A (en) * | 2019-08-28 | 2021-03-05 | 天津博雅全鑫磁电科技有限公司 | High-precision high-efficiency multi-station automatic dispensing method and equipment |
| CN112517320A (en) * | 2019-09-19 | 2021-03-19 | 深圳鼎晶科技有限公司 | Double-air-pressure type micro-dispensing device |
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| JPS6488542A (en) * | 1987-09-30 | 1989-04-03 | Hitachi Electr Eng | Apparatus for coating film forming substance |
| JPH11156267A (en) * | 1997-11-28 | 1999-06-15 | Toshiba Corp | Sealant defoaming device, sealant defoaming method and dispenser device |
| CN101030611A (en) * | 2006-03-05 | 2007-09-05 | 浙江古越龙山电子科技发展有限公司 | Large-power light-emitting diodes gluing process |
| CN101384374A (en) * | 2006-02-21 | 2009-03-11 | 武藏工业株式会社 | Liquid material discharge device with debubbling mechanism |
| JP4424480B2 (en) * | 2004-03-15 | 2010-03-03 | 日本電気株式会社 | COATING UNIT, COATING APPARATUS PROVIDED WITH THE COATING UNIT, AND METHOD OF PACKING THE COATING UNIT |
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2011
- 2011-08-08 CN CN201110225777.4A patent/CN102921596B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6488542A (en) * | 1987-09-30 | 1989-04-03 | Hitachi Electr Eng | Apparatus for coating film forming substance |
| JPH11156267A (en) * | 1997-11-28 | 1999-06-15 | Toshiba Corp | Sealant defoaming device, sealant defoaming method and dispenser device |
| JP4424480B2 (en) * | 2004-03-15 | 2010-03-03 | 日本電気株式会社 | COATING UNIT, COATING APPARATUS PROVIDED WITH THE COATING UNIT, AND METHOD OF PACKING THE COATING UNIT |
| CN101384374A (en) * | 2006-02-21 | 2009-03-11 | 武藏工业株式会社 | Liquid material discharge device with debubbling mechanism |
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| CN102921596A (en) | 2013-02-13 |
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