CN103521396B - A kind of Pneumatic injection valve - Google Patents
A kind of Pneumatic injection valve Download PDFInfo
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- CN103521396B CN103521396B CN201310527488.9A CN201310527488A CN103521396B CN 103521396 B CN103521396 B CN 103521396B CN 201310527488 A CN201310527488 A CN 201310527488A CN 103521396 B CN103521396 B CN 103521396B
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- valve body
- main valve
- striker
- cooling duct
- piston
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Abstract
The present invention relates to fluid spot gluing equipment technical field, refer in particular to a kind of Pneumatic injection valve, feeder provides gas, electromagnetic valve controls open the inlet channel of main valve body and cut out the cooling duct of main valve body, control gas and be introduced into the inlet channel of main valve body, the gas outlet of inlet channel is positioned at the lower section of piston, gas push piston upwards, and piston driving striker also moves upward; Striker moves to certain altitude, feeder stops providing gas, electromagnetic valve controls to open the cooling duct of main valve body again, pretension regulates device and makes piston reset, coating is penetrated by striker in the moment of Guan Bi, the gas that piston will be located in piston cavity is discharged by cooling duct, owing to cooling duct is distributed in the not ipsilateral within main valve body, gas can take away the heat of main valve body in the process discharged, reach the purpose of main valve body heat radiation, without self being dispelled the heat by other medium, simple in construction, and radiating effect is notable.
Description
Technical field
The present invention relates to fluid spot gluing equipment technical field, refer in particular to a kind of Pneumatic injection valve.
Background technology
Fluid dispensing technology is a key technology in microelectronics Packaging, and it can construct formation point, line, surface (coating) and various figure, is widely used in chip and fixes, encapsulates back-off and chip coating. This technology convection cell in a controlled manner accurately distributes, the fluid (solder flux, conducting resinl, epoxy resin and binding agent etc.) of desirable amount can be transferred to the correct position of workpiece (chip, electronic component etc.), to realize between components and parts connection mechanically or electrically, this technology requires a some colloid system good operation performance, some glue speed glue point concordance that is high and that point out good and precision height. Along with the development of encapsulation industry, dispensing technology is also changed to non-contact type (injection) some glue by contact point glue gradually.
The injection valve of prior art drives piston movement by feeder, piston is further driven to striker rum point glue back and forth, piston can produce certain heat in reciprocating process, the heat radiation of valve body is not had good solution by the injection valve of prior art, all there is certain technological deficiency.
Summary of the invention
Present invention aims to the deficiencies in the prior art and a kind of Pneumatic injection valve is provided, after gas drives piston movement to carry out a glue action, recycle this gas and main valve body is done further heat radiation, it is not necessary to self can be cooled down by external substance, simple in construction, radiating effect is notable.
For achieving the above object, a kind of Pneumatic injection valve of the present invention, including main valve body, the lower end of described main valve body is provided with nozzle assembly, the upper end of described main valve body is provided with plastic emitting quantity regulating device, the side of described main valve body connects the feeding device of promising nozzle assembly feed, another side of described main valve body is connected to feeder, described main valve body is internally provided with striker with nozzle assembly, described striker is connected with plastic emitting quantity regulating device, it is provided with for control bound body air inlet and the electromagnetic valve given vent to anger between described feeder and main valve body, the upper end of described striker is connected to piston,The upper end of described main valve body is provided with the piston cavity for housing described piston, and described piston and piston cavity are tightly connected; Described main valve body offers inlet channel, and described inlet channel is communicated between electromagnetic valve and piston cavity, and the gas outlet of described inlet channel is positioned at the lower section of piston; Described main valve body offers the cooling duct for cooling down main valve body, and described cooling duct connects with electromagnetic valve, inlet channel, piston cavity.
As preferably, described main valve body is provided with the striker passage for housing striker, described cooling duct includes the first cooling duct, the second cooling duct and the 3rd cooling duct, and described first cooling duct, the second cooling duct and the 3rd cooling duct are opened in three of main valve body not ipsilaterals respectively; Described first cooling duct, the second cooling duct and the 3rd cooling duct are interconnected respectively through striker passage; The junction of described striker passage and piston cavity is provided with the junction of the first sealing member, described striker passage and nozzle assembly assembly and is provided with the second sealing member.
As preferably, described first cooling duct is connected with inlet channel by electromagnetic valve, the side of described second cooling duct and the 3rd cooling duct is provided with cooling cavity, described second cooling duct, the 3rd cooling duct connect with each contiguous cooling cavity respectively, and the lateral surface of each cooling cavity is respectively connected with acoustical panel.
As preferably, the contact surface being provided with shock seat, described shock seat and striker between described nozzle and striker is taper concave surface.
As preferably, described nozzle assembly includes nozzle body and nozzle, described nozzle is arranged at the front end of nozzle body, coating gap is left in the inside of described striker and nozzle body, the junction of described nozzle body and main valve body is provided with clamp ring, and described nozzle body is connected by clamp ring and main valve body are fixing; The side of described nozzle body offers charging hole, and described charging hole connects with coating gap, and the discharging opening of described feeding device connects with charging hole.
As preferably, described feeding device includes feed hopper, conduit and discharging joint, and described feed hopper is connected by fixed mount and main valve body are fixing, and described conduit is communicated between feed hopper and discharging joint, and described discharging joint is connected to charging hole.
As preferably, described striker is provided above striker seat; Described plastic emitting quantity regulating device includes stroke adjusting device and pretension regulates device, and described pretension regulates and abutted preloading spring between device and striker seat; Described stroke adjusting device is arranged at pretension and regulates the top of device, for controlling the stroke of striker.
As preferably, described striker passage is provided with the positioning sleeve preventing striker double swerve.
Beneficial effects of the present invention: a kind of Pneumatic injection valve, feeder provides gas, electromagnetic valve controls open the inlet channel of main valve body and cut out the cooling duct of main valve body, control gas and be introduced into the inlet channel of main valve body, owing to the gas outlet of inlet channel is positioned at the lower section of piston, gas push piston upwards, piston driving striker also moves upward, striker moves to certain altitude, feeder stops providing gas, electromagnetic valve controls to open the cooling duct of main valve body again, after the sealing state of piston cavity is broken, pretension regulates the preloading spring of device and makes piston reset, the gas that piston will be located in piston cavity is discharged by cooling duct, owing to cooling duct is distributed in the not ipsilateral within main valve body, gas can take away heat produced by main valve body in the process discharged, reach the purpose of main valve body heat radiation, without self being dispelled the heat by other medium, while simplifying self structure, also save work operating cost, and radiating effect is notable.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the present invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the Section View of line A-A along Fig. 2.
Fig. 4 is the perspective view of the present invention.
Fig. 5 is the main TV structure schematic diagram of the main valve body of the present invention.
Fig. 6 is the Section View of line B-B along Fig. 5.
Fig. 7 is the left view of Fig. 5.
Fig. 8 is the Section View of line C-C along Fig. 7.
Accompanying drawing labelling includes:
1 main valve body 10 clashes into seat 11 striker 12 piston
13 cooling duct, piston cavity 14 inlet channel 15 cooling ducts 151 first
152 second cooling duct 16, cooling duct 153 the 3rd striker passages
17 first sealing member 18 second sealing members 19 cool down cavity
20 acoustical panel 2 nozzle assembly 21 nozzle body 22 nozzles
23 coating gap 24 clamp ring 25 striker seat 3 plastic emitting quantity regulating devices
31 stroke adjusting device 32 pretensions regulate device 321 preloading spring
4 feeding device 41 feed hopper 42 conduit 43 discharging joints
5 feeder 6 electromagnetic valve 7 positioning sleeves.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
As shown in Figures 1 to 8, a kind of Pneumatic injection valve of the present invention, including main valve body 1, the lower end of described main valve body 1 is provided with nozzle assembly 2, the upper end of described main valve body 1 is provided with plastic emitting quantity regulating device 3, the side of described main valve body 1 connects the feeding device 4 of promising nozzle assembly 2 feed, another side of described main valve body 1 is connected to feeder 5, described main valve body 1 is internally provided with striker 11 with nozzle assembly 2, described striker 11 is connected with plastic emitting quantity regulating device 3, it is provided with for control bound body 1 air inlet and the electromagnetic valve 6 given vent to anger between described feeder 5 and main valve body 1, the upper end of described striker 11 is connected to piston 12, the upper end of described main valve body 1 is provided with the piston cavity 13 for housing described piston 12, and described piston 12 is tightly connected with piston cavity 13, described main valve body 1 offers inlet channel 14, and described inlet channel 14 is communicated between electromagnetic valve 6 and piston cavity 13, and the gas outlet of described inlet channel 14 is positioned at the lower section of piston 12, described main valve body 1 offers the cooling duct 15 for cooling down main valve body 1, and described cooling duct 15 connects with electromagnetic valve 6, inlet channel 14, piston cavity 13. feeder 5 provides gas, electromagnetic valve 6 controls open the inlet channel 14 of main valve body 1 and cut out the cooling duct 15 of main valve body 1, control gas and be introduced into the inlet channel 14 of main valve body 1, owing to the gas outlet of inlet channel 14 is positioned at the lower section of piston 12, gas push piston 12 moves upward, and piston 12 drives striker 11 also to move upward, striker 11 moves to certain altitude, feeder 5 stops providing gas, electromagnetic valve 6 controls to open the cooling duct 15 of main valve body 1 again, after the sealing state of piston cavity 13 is broken, pretension regulates the preloading spring 321 of device 32 makes piston 12 reset, striker 11 and nozzle assembly 2 collide, and are penetrated by nozzle 22 to drip glue by coating in the moment of Guan Bi. piston 12 is in descending process, the gas that will be located in piston cavity 13 is discharged by cooling duct 15, owing to cooling duct 15 is distributed in the not ipsilateral within main valve body 1, gas can take away heat produced by main valve body 1 in the process discharged, reach the purpose of main valve body 1 heat radiation, it is not necessary to self can be dispelled the heat by other medium, while simplifying self structure, also save work operating cost, and radiating effect is notable.
As viewed in figures 5-8, the main valve body 1 of the present embodiment is provided with the striker passage 16 for housing striker 11, described cooling duct 15 includes the 151, second cooling duct, the first cooling duct 152 and the 3rd cooling duct 153, and the 151, second cooling duct, described first cooling duct 152 and the 3rd cooling duct 153 are opened in three of main valve body 1 not ipsilaterals respectively; The 151, second cooling duct, described first cooling duct 152 and the 3rd cooling duct 153 are interconnected respectively through striker passage 16; The junction of described striker passage 16 and piston cavity 13 is provided with the first sealing member 17, and the junction of described striker passage 16 and nozzle assembly 2 assembly is provided with the second sealing member 18.
Sealing by the first sealing member 17, gas can not be entered striker passage 16 by piston cavity 13, makes piston cavity 13 form a space closed, makes the gas of entrance piston cavity 13 have enough air pressure by piston 12 jack-up, piston 12 drives striker 11 up, carries out follow-up some glue action. Gas in the descending compression piston cavity 13 of piston 12, gas enters the first cooling duct 151 through electromagnetic valve 6, then pass through striker passage 16, owing to the second sealing member 18 is arranged at the junction of striker passage 16 and nozzle assembly 2 assembly, gas can not enter nozzle assembly 2 assembly, and respectively enteing the second cooling duct 152 and the 3rd cooling duct 153, gas is discharged outside through the heat that main valve body 1 is produced by above-mentioned passage, reaches the purpose of heat radiation.
As preferably, described first cooling duct 151 is connected with inlet channel 14 by electromagnetic valve 6, side residing for described second cooling duct 152 and the 3rd cooling duct 153 is provided with cooling cavity 19, described second cooling duct 153, cooling duct the 152, the 3rd connects with respective cooling cavity 19 respectively, and the lateral surface of each cooling cavity 19 is respectively connected with acoustical panel 20. electromagnetic valve 6 controls the Guan Bi of passage, the gas that piston 12 compresses out is made to be respectively enterd each self-cooling channel 15 by inlet channel 14, owing to the second cooling duct 152 and the 3rd cooling duct 153 are provided with cooling cavity 19, gas is entered striker passage 16 by the first cooling duct 151, respective cooling cavity 19 is respectively enterd again through the second cooling duct 152 and the 3rd cooling duct 153, gas is finally discharged through acoustical panel 20 by cooling cavity 19, the area that main valve body 1 is bigger is occupied to due to cooling cavity 19, increase the contact area of gas and main valve body 1, allow gas to enough take away the more heat of main valve body 1, better heat-radiation effect, acoustical panel 20 reduces noise when gas is discharged.
The nozzle assembly 2 of the present embodiment includes nozzle body 21 and nozzle 22, described nozzle 22 is arranged at the front end of nozzle body 21, coating gap 23 is left in the inside of described striker 11 and nozzle body 21, the junction of described nozzle body 21 and main valve body 1 is provided with clamp ring 24, and described nozzle body 21 is connected by clamp ring 24 is fixing with main valve body 1; The side of described nozzle body 21 offers charging hole, and described charging hole connects with coating gap 23, and the discharging opening of described feeding device 4 connects with charging hole. Coating is entered coating gap 23 by charging hole by feeding device 4, and when striker 11 rises, coating enters nozzle 22, and when striker 11 declines and clashes into nozzle 22 generation, coating penetrates rapidly from nozzle 22.
Being provided with shock seat 25 described in the present embodiment between nozzle 22 and striker 11, the contact surface of described shock seat 25 and striker 11 is taper concave surface.The striking face employing taper concave surface of shock seat 25 can increase explosive force during shock, adds the jet velocity of coating.
The feeding device 4 of the present embodiment includes feed hopper 41, conduit 42 and discharging joint 43, described feed hopper 41 is connected by fixed mount is fixing with main valve body 1, and described conduit 42 is communicated between feed hopper 41 and discharging joint 43, and described discharging joint 43 is connected to charging hole. Feed hopper 41 and main valve body 1 are fixed on one, and the structure making injection valve is compacter, meets the feed demand of self.
As preferably, described striker 11 is provided above striker seat 10; Described plastic emitting quantity regulating device 3 includes stroke adjusting device 31 and pretension regulates device 32, and described pretension regulates device 32 and abutted preloading spring 321 with clashing between seat 10; Described stroke adjusting device 31 is arranged at pretension and regulates the top of device 32, for controlling the stroke of striker 11. In piston 12 uphill process, striker 11 promotes striker seat 10, and striker seat 10 compresses preloading spring 321 further, can control, by regulating preloading spring 321, the height that striker 11 rises, thus the gap controlled between striker 11 and nozzle 22, control the gel quantity of nozzle 22. The gas of same pressure, the elastic force of preloading spring 321 is more big, and the height that striker 11 rises is more little; The elastic force of preloading spring 321 is more little, and the height that striker 11 rises is more big, reaches to control the purpose of the gel quantity of nozzle 22. Stroke adjusting device 31 can also control the stroke of striker 11, can reach to control the purpose of the gel quantity of nozzle 22.
As preferably, described striker passage 16 is provided with the positioning sleeve 7 preventing striker 11 double swerve, it is to avoid striker 11 shakes in knockout process, improves the precision of injection.
As preferably, the aperture of described nozzle 22 is gradually decreased to discharge end by feed end, and nozzle 22 adopts the mode shrinking aperture to design, and can increase the jet velocity of gluing.
Above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the thought of the present invention, all will change in specific embodiments and applications, and this specification content should not be construed as limitation of the present invention.
Claims (7)
1. a Pneumatic injection valve, including main valve body (1), the lower end of described main valve body (1) is provided with nozzle assembly (2), the upper end of described main valve body (1) is provided with plastic emitting quantity regulating device (3), the side of described main valve body (1) connects the feeding device (4) of promising nozzle assembly (2) feed, another side of described main valve body (1) is connected to feeder (5), described main valve body (1) is internally provided with striker (11) with nozzle assembly (2), described striker (11) is connected with plastic emitting quantity regulating device (3), it is characterized in that: be provided with for control bound body (1) air inlet and the electromagnetic valve (6) given vent to anger between described feeder (5) and main valve body (1), the upper end of described striker (11) is connected to piston (12), the upper end of described main valve body (1) is provided with the piston cavity (13) for housing described piston (12), and described piston (12) and piston cavity (13) are tightly connected, described main valve body (1) offers inlet channel (14), and described inlet channel (14) is communicated between electromagnetic valve (6) and piston cavity (13), and the gas outlet of described inlet channel (14) is positioned at the lower section of piston (12), described main valve body (1) offers the cooling duct (15) for cooling down main valve body (1), and described cooling duct (15) connect with electromagnetic valve (6), inlet channel (14), piston cavity (13),
Described main valve body (1) is provided with the striker passage (16) for housing striker (11), described cooling duct (15) includes the first cooling duct (151), the second cooling duct (152) and the 3rd cooling duct (153), and described first cooling duct (151), the second cooling duct (152) and the 3rd cooling duct (153) are opened in three of main valve body (1) not ipsilaterals respectively; Described first cooling duct (151), the second cooling duct (152) and the 3rd cooling duct (153) are interconnected respectively through striker passage (16); The junction of described striker passage (16) and piston cavity (13) is provided with the junction of the first sealing member (17), described striker passage (16) and nozzle assembly (2) assembly and is provided with the second sealing member (18).
2. a kind of Pneumatic injection valve according to claim 1, it is characterized in that: described first cooling duct (151) is connected with inlet channel (14) by electromagnetic valve (6), the side of described second cooling duct (152) and the 3rd cooling duct (153) is provided with cooling cavity (19), described second cooling duct (152), the 3rd cooling duct (153) connect with each contiguous cooling cavity (19) respectively, and the lateral surface of each cooling cavity (19) is respectively connected with acoustical panel (20).
3. a kind of Pneumatic injection valve according to claim 1, it is characterized in that: described nozzle assembly (2) includes nozzle body (21) and nozzle (22), described nozzle (22) is arranged at the front end of nozzle body (21), coating gap (23) is left in the inside of described striker (11) and nozzle body (21), the junction of described nozzle body (21) and main valve body (1) is provided with clamp ring (24), and described nozzle body (21) is connected by clamp ring (24) and main valve body (1) are fixing;
The side of described nozzle body (21) offers charging hole, and described charging hole connects with coating gap (23), and the discharging opening of described feeding device (4) connects with charging hole.
4. a kind of Pneumatic injection valve according to claim 3, it is characterised in that: the contact surface being provided with shock seat (25), described shock seat (25) and striker (11) between described nozzle (22) and striker (11) is taper concave surface.
5. a kind of Pneumatic injection valve according to claim 3, it is characterized in that: described feeding device (4) includes feed hopper (41), conduit (42) and discharging joint (43), described feed hopper (41) is connected by fixed mount and main valve body (1) are fixing, described conduit (42) is communicated between feed hopper (41) and discharging joint (43), and described discharging joint (43) is connected to charging hole.
6. a kind of Pneumatic injection valve according to claim 1, it is characterised in that: described striker (11) is provided above striker seat (10); Described plastic emitting quantity regulating device (3) includes stroke adjusting device (31) and pretension regulates device (32), and described pretension regulates and abutted preloading spring (321) between device (32) and striker seat (10); Described stroke adjusting device (31) is arranged at pretension and regulates the top of device (32), is used for controlling the stroke of striker (11).
7. a kind of Pneumatic injection valve according to claim 1, it is characterised in that: described striker passage (16) is provided with the positioning sleeve (7) preventing striker (11) double swerve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310527488.9A CN103521396B (en) | 2013-10-31 | 2013-10-31 | A kind of Pneumatic injection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310527488.9A CN103521396B (en) | 2013-10-31 | 2013-10-31 | A kind of Pneumatic injection valve |
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| Publication Number | Publication Date |
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| CN103521396A CN103521396A (en) | 2014-01-22 |
| CN103521396B true CN103521396B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310527488.9A Active CN103521396B (en) | 2013-10-31 | 2013-10-31 | A kind of Pneumatic injection valve |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618329A (en) * | 2016-03-10 | 2016-06-01 | 中南大学 | Jet dispensing valve and dispensing method thereof |
| CN107185774A (en) * | 2017-06-07 | 2017-09-22 | 惠科股份有限公司 | Conductive glue coating method, glue spreading apparatus and the coating system of a kind of array base palte |
| CN108097539A (en) * | 2018-02-06 | 2018-06-01 | 苏州市睿成达电子有限公司 | A kind of improved-type injection glue dispensing valve |
| CN109395969A (en) * | 2018-11-26 | 2019-03-01 | 深圳市锐德精密科技有限公司 | Mechanical type spraying valve |
| CN109332098A (en) * | 2018-12-04 | 2019-02-15 | 深圳金皇尚热熔胶喷涂设备有限公司 | Needle-valve and glue rifle |
| CN111299083A (en) * | 2020-03-31 | 2020-06-19 | 江苏立讯机器人有限公司 | Dispensing machine |
| CN114589028B (en) * | 2022-01-05 | 2023-03-14 | 广东博智林机器人有限公司 | Spray gun |
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| CN201913049U (en) * | 2010-11-29 | 2011-08-03 | 吴海源 | Glue dispensing valve |
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| CN202070458U (en) * | 2011-04-20 | 2011-12-14 | 吴海源 | Novel glue dispensing valve |
| CN203540815U (en) * | 2013-10-31 | 2014-04-16 | 刘飞 | Pneumatic jet valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102005023046A1 (en) * | 2005-05-13 | 2006-11-16 | Nordson Corp., Westlake | Glue nozzle with cooled monitoring optics |
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| CN1849486A (en) * | 2003-07-14 | 2006-10-18 | 诺信公司 | Apparatus and method for dispensing discrete amounts of viscous material |
| CN201913049U (en) * | 2010-11-29 | 2011-08-03 | 吴海源 | Glue dispensing valve |
| CN202070458U (en) * | 2011-04-20 | 2011-12-14 | 吴海源 | Novel glue dispensing valve |
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Effective date of registration: 20160318 Address after: Manufacturing industry base in Hunan province Liuyang City Road 410300 No. 3 Hunan Han de Technology Co. Ltd. Applicant after: Hunan Hankede Science and Technology Co., Ltd. Address before: Dongguan City, Guangdong province 523460 Dongguan village Hengli Industrial Zone tail anda automation equipment Co. Applicant before: Liu Fei |
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