CN102151627B - Liquid control system for double-fluid injector - Google Patents
Liquid control system for double-fluid injector Download PDFInfo
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- CN102151627B CN102151627B CN 201110080533 CN201110080533A CN102151627B CN 102151627 B CN102151627 B CN 102151627B CN 201110080533 CN201110080533 CN 201110080533 CN 201110080533 A CN201110080533 A CN 201110080533A CN 102151627 B CN102151627 B CN 102151627B
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- liquid
- fluid injector
- double
- control device
- suck
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- 239000007788 liquid Substances 0.000 title claims abstract description 135
- 239000012530 fluid Substances 0.000 title claims abstract description 37
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 11
- 230000010349 pulsation Effects 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 3
- 230000008676 import Effects 0.000 claims 1
- 238000005070 sampling Methods 0.000 claims 1
- 239000003292 glue Substances 0.000 abstract description 26
- 238000002347 injection Methods 0.000 abstract description 8
- 239000007924 injection Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 5
- 238000005491 wire drawing Methods 0.000 abstract description 3
- 238000004026 adhesive bonding Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 238000005507 spraying Methods 0.000 description 4
- 238000004100 electronic packaging Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 206010019133 Hangover Diseases 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The invention relates to a liquid control system for double-fluid injection, which comprises a liquid source device, a liquid control device, a return suction device and a double-fluid injector, wherein the liquid source device, the liquid control device, the double-fluid injector and the return suction device are connected by hoses in turn, and liquid supply and recovery of the double-fluid injector are realized. In a liquid source device, a hydraulic pump is adopted to convey liquid to the system, and a peristaltic pump is used to reduce impulse. In the liquid control device, a liquid electromagnetic valve is adopted to supply continuous or impulse liquid flow to downstream equipment, a liquid one-way valve is arranged in the path of liquid before entering a mixing chamber to prevent liquid backflow caused by overhigh pressure in the mixing chamber, a return suction opening is formed on the other side of the mixing chamber, and a micro air pump is used to suck liquid before the system stops working to avoid trailing, wire drawing and other phenomena. The system can be used in ink injection, glue injection and welding processes and other processes, particularly a double-fluid injection spot gluing process.
Description
Technical field
The present invention relates to a kind of liquid control system, relate in particular to a kind of liquid control system that is used for the two-fluid injector, this liquid control system is an a kind of sub-systems of two-fluid injector spraying system.
Background technology
The Electronic Packaging technology is an important component part of current semiconductor manufacturing industry, and the glue distribution technique is one of key technology in the Electronic Packaging, is widely used in the technologies such as chip attachment, chip coating, heat conductive silica gel filling, chip and substrate interconnection.
At present both at home and abroad to the research of glue distribution technique by initial a large amount of formula cloth glue, develop into present contactless glue, contactless glue has become the dispensing technology of main flow in the industry.In the world; U.S. Asymtek company (belonging to Nordson company now) marches at the forefront of the world in contactless fluid dispensing technology research and application facet; And captured market greatly, released DV-09, DJ-100, DJ-2100, DJ-2200, DJ-9000, DJ-9500 series Glue dripping head so far.Japan MUSASHI company adopts liquid control technology alone; Comply with the diversified requirement of point gum machine, the major product series of the said firm has air pulsing formula point gum machine, noncontact jetting type point gum machine, high performance screws formula point gum machine, mechanical type high accuracy point gum machine, creeping motion type point gum machine and the quantitative point gum machine of ultramicron.Domestic have a people such as the Ding Han of the Central China University of Science and Technology, and people such as Deng of Central South University Gui tinkling of pieces of jade have done many work in this respect, comprise time-modeling and the theory analysis of pressure-type point glue, and screw pump point gum machine reason or the like research.
In existing technical field, the glue spraying equipment that is used for Electronic Packaging mainly with mechanical type spraying point glue and time-pressure-type point glue is main, their confession glue mode all is with in the glue load point plastic pin tube basically; Compressed Gas with constant pressure is clamp-oned glue in the cavity of glue solution injector, and then acts on the glue with different media, with its jetting nozzle; Relevant therewith have a patent (CN 101190429A); This patent has proposed a kind of high viscosity fluid microscale spraying glue dropping machine,, starts working before with injecting a certain amount of glue in the syringe in order to fixing point plastic pin tube at injection apparatus installed beside one support; Treat to change glue more again after the interior glue of syringe exhausts; There is the deficiency of following several respects in this kind feed liquid way: one of which, because syringe is fixed on the glue solution injector, strengthened the overall dimensions of injector; Occupation space is bigger than single glue solution injector during work, can not realize the some glue of some minute sized device; Its two, along with carrying out of glue, glue reduces gradually in the syringe, the shared volume of gas is increasing, but the input quantity of Compressed Gas do not become, and supplies long-pending not of uniform size the causing of colloid before and after causing, thereby influenced glue point uniformity.
Summary of the invention
The invention reside in overcome prior art not enough and provide a kind of easy to operate, can realize the liquid control system that is used for the two-fluid the injector continuous and feed flow of pulsing.
For achieving the above object, design of the present invention is:
The liquid control system that is used for the two-fluid injector of the present invention has the liquid source apparatus.
The liquid source apparatus is that system provides the liquid source, has ensured the existence of working media, is the mobile pressure and the power of providing in downstream;
The liquid control system that is used for the two-fluid injection of the present invention has liquid control device.
Liquid control device is regulated the flow of liquid, changes flow direction, and equipment provides constant current amount, pulsation or continuous liquid downstream.
The liquid control system that is used for the two-fluid injection of the present invention has suck-back device.
Resorption liquid when suck-back device quits work in system prevents that liquid from owing to inertia and self flow behavior flow out hybrid chamber, reaching the purpose of liquid with precise control.
According to the foregoing invention design, the present invention adopts following proposal:
A kind of liquid control system that is used for the two-fluid injection; Comprise liquid source apparatus, liquid control device, suck-back device and two-fluid injector; It is characterized in that: said liquid source apparatus, liquid control device, two-fluid injector are connected through flexible pipe with suck-back device successively, realize that the liquid of two-fluid injector is supplied with and withdrawal liquid.
Above-mentioned said liquid source apparatus is that system provides the liquid source, has ensured the existence of working media; The structure of said liquid source apparatus is: a liquid source connects a hydraulic pump, a peristaltic pump, a filter and a liquid storing barrel successively, and said hydraulic pump and peristaltic pump have signal port, links to each other with microcontroller in the liquid control device.
Above-mentioned hydraulic pump is transported to the liquid source in the system, has realized even, the continuous feed flow to system, has reduced the operation inconvenience that adopts the syringe feed flow.
Above-mentioned peristaltic pump has reduced to make liquid smooth flow in pipeline from the hydraulic pump pulsation, and said peristaltic pump is many pump heads peristaltic pump.
Above-mentioned liquid storing barrel improves the continuity and the pressure stability of output flow, for upstream device provides continuous stable flow, reduces the impact of the flow of pulsation to equipment.
The aforesaid liquid control device is regulated the flow of liquid, changes flow direction, and equipment provides constant current amount, pulsation or continuous liquid downstream; The structure of said liquid source apparatus is: a mass flowmenter connects a liquid reversal valve and a liquid check valve successively; Said mass flowmenter, liquid reversal valve and liquid check valve all have signal port; Be connected with the signal port of microcontroller; Microcontroller is connected with industrial computer and carries out parameter through industrial computer and set, and said mass flowmenter outlet is provided with a flow and shows meter, and it shows that signal is transferred to microcontroller;
The aforesaid liquid reversal valve has a liquid outlet and an overfall, through the action of microprocessor controls valve cycle, makes liquid become flowing out from outlet of cycle, has realized the pulsation feed flow, also can realize continuous liquid supply simultaneously.
Above-mentioned check valve only allows the liquid folk prescription to flowing, and has limited liquid countercurrent, prevents to cause liquid to reflux owing to mixing chamber pressure is excessive.
Resorption liquid when above-mentioned suck-back device quits work in system prevents liquid because inertia flows out from the hybrid chamber of two-fluid injector with self flow behavior, reaches the purpose of liquid with precise control; It is characterized in that the said suck-back device of suck-back device has hybrid chamber and a waste liquid barrel of a micro air pump, a two-fluid injector.
Above-mentioned micro air pump begins resorption when quitting work in system, prevents to flow out hybrid chamber owing to the inertia of liquid, avoids occurring bad phenomenon such as hangover, wire drawing, realizes the accurate control of liquid.
The present invention has following conspicuous outstanding substantive distinguishing features and remarkable advantage compared with prior art:
1, the present invention adopts hydraulic pump that liquid is transported in the system, has realized even, the continuous feed flow to system, has eliminated the inconvenience of employing syringe feed flow frequent change liquid and the volume of injector, has increased range of application.
2, the present invention adopts many pump heads peristaltic pump, reduces the pulsation from hydraulic pump, for upstream device provides continuous stable flow, reduces the impact of the flow of pulsation to equipment.
3, the present invention adopts the liquid reversal valve to change the flow direction of liquid, and equipment provides pulsation or continuous flow downstream.
4, the present invention adopts the liquid check valve, only allows the liquid folk prescription to flowing, and has limited liquid countercurrent, prevents to cause liquid to reflux owing to mixing chamber pressure is excessive.
5, the present invention adopts micro air pump to carry out the liquid resorption, prevents to flow out owing to the inertia of liquid the hybrid chamber of two-fluid injector, avoids occurring bad phenomenon such as hangover, wire drawing, realizes the accurate control of liquid.
Description of drawings
Fig. 1 structured flowchart of the present invention.
Fig. 2 system architecture sketch map of the present invention.
The structural representation of Fig. 3 two-fluid injector.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is done further to introduce in detail.
Embodiment one:
With reference to Fig. 1, Fig. 2 and Fig. 3; Originally be used for the liquid control system that two-fluid sprays; Comprise liquid source apparatus (1), liquid control device (2), suck-back device (3) and two-fluid injector (34); It is characterized in that: said liquid source apparatus (1), liquid control device (2), two-fluid injector (34) and suck-back device (3) are connected through flexible pipe successively, realize that the liquid of two-fluid injector is supplied with and withdrawal liquid.
Embodiment two:
With reference to Fig. 1, Fig. 2 and Fig. 3, present embodiment and embodiment one are basic identical, special feature be said liquid source apparatus (1) for system provides the liquid source, ensured the existence of working media; The structure of said liquid source apparatus (1) is: a liquid source (11) connects a hydraulic pump (12), a peristaltic pump (13), a filter (14) and a liquid storing barrel (15) successively; Said hydraulic pump (12) and peristaltic pump (13) have signal port, link to each other with microcontroller (25) in the liquid control device (2).
Embodiment three:
With reference to Fig. 1, Fig. 2 and Fig. 3, present embodiment and embodiment one are basic identical, and special feature is the flow that said liquid control device (2) is regulated liquid, changes flow direction, and equipment provides constant current amount, pulsation or continuous liquid downstream; The structure of said liquid source apparatus is: a mass flowmenter (21) connects a liquid reversal valve (22) and a liquid check valve (23) successively; Said mass flowmenter (21), liquid reversal valve (22) and liquid check valve (23) all have signal port; Be connected with the signal port of microcontroller (25); Microcontroller (25) is connected with industrial computer (24) and carries out parameter through industrial computer (24) and set; Said mass flowmenter (21) outlet is provided with a flow and shows meter (26), and it shows that signal is transferred to microcontroller (25).
Embodiment four:
With reference to Fig. 1, Fig. 2 and Fig. 3; Present embodiment and embodiment one are basic identical; Special feature is said suck-back device (3) resorption liquid when quitting work in system; Prevent that liquid from owing to inertia and self flow behavior flow out the hybrid chamber (32) of two-fluid injector (34), reaching the purpose of liquid with precise control; It is characterized in that the said suck-back device of suck-back device (3) (3) has the hybrid chamber (32) and a waste liquid barrel (33) of a micro air pump (31), a two-fluid injector (34).
Claims (3)
1. liquid control system that is used for the two-fluid injector; Comprise liquid source apparatus (1), liquid control device (2), suck-back device (3) and two-fluid injector (34); It is characterized in that: said liquid source apparatus (1), liquid control device (2), two-fluid injector (34) and suck-back device (3) are connected through flexible pipe successively, realize that the liquid of two-fluid injector is supplied with and withdrawal liquid; The structure of said liquid source apparatus (1) is: a liquid source (11) connects a hydraulic pump (12), a peristaltic pump (13), a filter (14) and a liquid storing barrel (15) successively; Said hydraulic pump (12) and peristaltic pump (13) have signal port, link to each other with microcontroller (25) in the liquid control device (2); The structure of said liquid control device (2) is: a mass flowmenter (21) connects a liquid reversal valve (22) and a liquid check valve (23) successively; Said mass flowmenter (21), liquid reversal valve (22) and liquid check valve (23) all have signal port; Be connected with the signal port of microcontroller (25); Microcontroller (25) is connected with industrial computer (24) and carries out parameter through industrial computer (24) and set; Said mass flowmenter (21) outlet is provided with a flow and shows meter (26), and it shows that signal is transferred to microcontroller (25).
2. the liquid control system that is used for the two-fluid injector according to claim 1; Said suck-back device (3) resorption liquid when quitting work in system; Prevent liquid because inertia flows out from the hybrid chamber (32) of two-fluid injector (34) with self flow behavior, reach the purpose of liquid with precise control; Said suck-back device (3) has the import an of micro air pump (31), this micro air pump (31) to connect the hybrid chamber (32) of a two-fluid injector (34), connects a waste liquid barrel (33) and export.
3. the liquid control system that is used for the two-fluid injector according to claim 1; It is characterized in that liquid reversal valve (22) has a liquid outlet and an overfall; Through microcontroller (25) by-pass valve control sampling action; Make liquid become flowing out of cycle, realized the pulsation feed flow, also can realize continuous liquid supply simultaneously from outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110080533 CN102151627B (en) | 2011-04-01 | 2011-04-01 | Liquid control system for double-fluid injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110080533 CN102151627B (en) | 2011-04-01 | 2011-04-01 | Liquid control system for double-fluid injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102151627A CN102151627A (en) | 2011-08-17 |
| CN102151627B true CN102151627B (en) | 2012-12-19 |
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ID=44433490
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110080533 Expired - Fee Related CN102151627B (en) | 2011-04-01 | 2011-04-01 | Liquid control system for double-fluid injector |
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| Country | Link |
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| CN (1) | CN102151627B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102879380B (en) * | 2012-09-24 | 2015-05-13 | 厦门大学 | Raman spectrum enhanced particle applying device |
| CN103316791B (en) * | 2013-06-14 | 2015-12-02 | 上海大学 | The integrated micro-some mist jet device of multiple spot |
| CN104549885A (en) * | 2014-12-31 | 2015-04-29 | 东莞市三基音响科技有限公司 | Glue-amount detection method and glue machine |
| CN110052363A (en) * | 2018-01-19 | 2019-07-26 | 神讯电脑(昆山)有限公司 | The glue-pouring device of board |
| DE102020214438A1 (en) * | 2020-02-10 | 2021-08-12 | Robert Bosch Gesellschaft mit beschränkter Haftung | Plastic coating device designed to be self-cleaning |
| CN115284747B (en) * | 2022-09-02 | 2024-03-29 | 苏州微知电子科技有限公司 | Aerosol spot-spraying nozzle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053904A (en) * | 1990-02-06 | 1991-08-21 | 巴尔德温技术公司 | Spray blanket cleaning system |
| CN1431134A (en) * | 2002-01-11 | 2003-07-23 | 英业达股份有限公司 | Quantified type device for dripping glue |
| CN201008812Y (en) * | 2007-02-15 | 2008-01-23 | 深圳市宜极邦机电设备有限公司 | Spray type point rubber valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19951004A1 (en) * | 1999-10-22 | 2001-04-26 | Bosch Gmbh Robert | Hydraulic regulator esp. for fuel injector for motor vehicles has hydraulic converter between actor and valve member, to reverse actor movement |
-
2011
- 2011-04-01 CN CN 201110080533 patent/CN102151627B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1053904A (en) * | 1990-02-06 | 1991-08-21 | 巴尔德温技术公司 | Spray blanket cleaning system |
| CN1431134A (en) * | 2002-01-11 | 2003-07-23 | 英业达股份有限公司 | Quantified type device for dripping glue |
| CN201008812Y (en) * | 2007-02-15 | 2008-01-23 | 深圳市宜极邦机电设备有限公司 | Spray type point rubber valve |
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| Publication number | Publication date |
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| CN102151627A (en) | 2011-08-17 |
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Granted publication date: 20121219 |