CN203540815U - Pneumatic jet valve - Google Patents
Pneumatic jet valve Download PDFInfo
- Publication number
- CN203540815U CN203540815U CN201320679394.9U CN201320679394U CN203540815U CN 203540815 U CN203540815 U CN 203540815U CN 201320679394 U CN201320679394 U CN 201320679394U CN 203540815 U CN203540815 U CN 203540815U
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- valve body
- main valve
- striker
- cooling duct
- piston
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Abstract
The utility model relates to the technical field of fluid dispensing equipment and in particular relates to a pneumatic jet valve. Air is provided by an air supply device, an air inlet channel of a main valve body is opened and cooling channels of the main valve body are closed under the control of a solenoid valve so as to control air firstly to enter the air inlet channel of the main valve body; an air outlet of the air inlet channel is formed below a piston, the piston is pushed by the air to move up, and a striker is driven by the piston to also move up; when the striker moves to a certain height, the air supply device stops providing of the air, the cooling channels of the main valve body are opened under the control of the solenoid valve, the piston is reset by a pre-tightening adjustment device, paint is ejected by the striker at the closing moment, the air in a cavity of the piston is discharged by the piston through the cooling channels, and heat of the main valve body can be taken away by the air in the discharging process to reach the purpose of dissipating the heat of the main valve body as the cooling channels are distributed on different side surfaces in the main valve body. The pneumatic jet valve can dissipate heat without other media, is simple in structure and has a remarkable heat dissipation effect.
Description
Technical field
The utility model relates to fluid spot gluing equipment technical field, refers in particular to a kind of pneumatic type injection valve.
Background technology
Fluid dispensing technology is a key technology in microelectronics Packaging, and it can formation of structure point, line, surface (coating) and various figure, is widely used in chip and fixes, encapsulates back-off and chip coating.This technology in a controlled manner convection cell is accurately distributed, the fluid of desirable amount (solder flux, conducting resinl, epoxy resin and adhesive etc.) can be transferred to the correct position of workpiece (chip, electronic component etc.), to realize between components and parts machinery or electric connection, this specification requirement point colloid system good operation performance, to put glue speed glue point high conformity and precision high and that point out high.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 further drives striker rum point glue back and forth, piston can produce certain heat in reciprocating process, the injection valve of prior art does not have good solution to the heat radiation of valve body, all has certain technological deficiency.
Summary of the invention
The purpose of this utility model is to provide a kind of pneumatic type injection valve for the deficiencies in the prior art, gas drives piston movement to carry out after a glue action, recycle this gas main valve body is done to further heat radiation, without carrying out cooling to self by external substance, simple in structure, radiating effect is remarkable.
For achieving the above object, a kind of pneumatic type injection valve of the present utility model, comprise 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 gel quantity adjusting 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 with feeder, the inside of described main valve body and nozzle assembly is provided with striker, described striker is connected with gel quantity adjusting device, between described feeder and main valve body, be provided with for controlling main valve body air inlet and the magnetic valve of giving vent to anger, the upper end of described striker is connected with piston, the upper end of described main valve body is provided with the piston cavity for accommodating 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 magnetic valve and piston cavity, and the gas outlet of described inlet channel is positioned at the below of piston, described main valve body offers the cooling duct for cooling main valve body, and described cooling duct is communicated with magnetic valve, inlet channel, piston cavity.
As preferably, described main valve body is provided with the striker passage for accommodating striker, described cooling duct comprises the first cooling duct, the second cooling duct and the 3rd cooling duct, and described the first cooling duct, the second cooling duct and the 3rd cooling duct are opened in respectively three of main valve body not ipsilaterals; Described the first cooling duct, the second cooling duct and the 3rd cooling duct are interconnected by striker passage respectively; The junction of described striker passage and piston cavity is provided with the first seal, and the junction of described striker passage and nozzle assembly assembly is provided with the second seal.
As preferably, described the first cooling duct is communicated with inlet channel by magnetic valve, the side of described the second cooling duct and the 3rd cooling duct is provided with cooling cavity, described the second cooling duct, the 3rd cooling duct are communicated with contiguous separately cooling cavity respectively, and the lateral surface of each cooling cavity is all connected with acoustical panel.
As preferably, between described nozzle and striker, be provided with and clash into seat, described shock seat is taper concave surface with the contact-making surface of striker.
As preferably, described nozzle assembly comprises 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 fixedly connected with main valve body by clamp ring; The side of described nozzle body offers charging hole, and described charging hole is communicated with coating gap, and the discharging opening of described feeding device is communicated with charging hole.
As preferably, described feeding device comprises feed hopper, conduit and discharging joint, and described feed hopper is fixedly connected with main valve body by fixed mount, and described conduit is communicated between feed hopper and discharging joint, and described discharging joint is connected in charging hole.
As preferably, above described striker, be provided with striker seat; Described gel quantity adjusting device comprises stroke adjusting device and pretension adjusting device, and between described pretension adjusting device and striker seat, butt has preloading spring; Described stroke adjusting device is arranged at the top of pretension adjusting device, for controlling the stroke of striker.
As preferably, described striker channel setting has the positioning sleeve that prevents striker double swerve.
The beneficial effects of the utility model: a kind of pneumatic type injection valve, feeder provides gas, solenoid control is opened the inlet channel of main valve body and is closed the cooling duct of main valve body, control the inlet channel that gas is introduced into main valve body, because the gas outlet of inlet channel is positioned at the below of piston, gas push piston moves upward, and piston driving striker also moves upward, striker moves to certain altitude, feeder stops providing gas, magnetic valve is controlled the cooling duct of opening main valve body again, after the sealing state of piston cavity is broken, the preloading spring of pretension adjusting device makes piston reset, piston is discharged the gas that is positioned at piston cavity by cooling duct, because cooling duct is distributed in the not ipsilateral of main valve body inside, gas can be taken away the heat that main valve body produces in the process of discharging, reach the object of main valve body heat radiation, without dispelling the heat to self by other medium, when simplifying self structure, also save work operating cost, and radiating effect is remarkable.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the Section View along A-A line in Fig. 2.
Fig. 4 is perspective view of the present utility model.
Fig. 5 is the main TV structure schematic diagram of main valve body of the present utility model.
Fig. 6 is the Section View along B-B line in Fig. 5.
Fig. 7 is the left view of Fig. 5.
Fig. 8 is the Section View along C-C line in Fig. 7.
Reference numeral comprises:
1-main valve body 10-shock seat, 11-striker, 12-piston
The 151-the first cooling duct, 13-piston cavity, 14-inlet channel, 15-cooling duct
152-the second cooling duct 153-the three cooling duct 16-striker passage
17-the first seal the 18-the second seal 19-cooling cavity
20-acoustical panel, 2-nozzle assembly, 21-nozzle body, 22-nozzle
23-coating gap, 24-clamp ring, 25-striker seat, 3-gel quantity adjusting device
31-stroke adjusting device, 32-pretension adjusting device, 321-preloading spring
4-feeding device, 41-feed hopper, 42-conduit, 43-discharging joint
5-feeder, 6-magnetic valve, 7-positioning sleeve.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
As shown in Figures 1 to 8, a kind of pneumatic type injection valve of the present utility model, comprise 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 gel quantity adjusting 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 with feeder 5, described main valve body 1 is provided with striker 11 with the inside of nozzle assembly 2, described striker 11 is connected with gel quantity adjusting device 3, between described feeder 5 and main valve body 1, be provided with for controlling main valve body 1 air inlet and the magnetic valve 6 of giving vent to anger, the upper end of described striker 11 is connected with piston 12, the upper end of described main valve body 1 is provided with the piston cavity 13 for accommodating 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 magnetic valve 6 and piston cavity 13, and the gas outlet of described inlet channel 14 is positioned at the below of piston 12, described main valve body 1 offers the cooling duct 15 for cooling main valve body 1, and described cooling duct 15 is communicated with magnetic valve 6, inlet channel 14, piston cavity 13.Feeder 5 provides gas, magnetic valve 6 controls and opens the inlet channel 14 of main valve body 1 and cut out the cooling duct 15 of main valve body 1, control the inlet channel 14 that gas is introduced into main valve body 1, because the gas outlet of inlet channel 14 is positioned at the below 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, magnetic valve 6 is controlled the cooling duct 15 of opening main valve body 1 again, after the sealing state of piston cavity 13 is broken, the preloading spring 321 of pretension adjusting device 32 resets piston 12, striker 11 bumps with nozzle assembly 2, in closed moment, coating is penetrated by nozzle 22 to drip glue.Piston 12 is in descending process, the gas that is positioned at piston cavity 13 is discharged by cooling duct 15, because cooling duct 15 is distributed in the not ipsilateral of main valve body 1 inside, gas can be taken away the heat that main valve body 1 produces in the process of discharging, reach the object of main valve body 1 heat radiation, without dispelling the heat to self by other medium, when simplifying self structure, also save work operating cost, and radiating effect is remarkable.
As shown in Fig. 5-8, the main valve body 1 of the present embodiment is provided with the striker passage 16 for accommodating striker 11, described cooling duct 15 comprises the first cooling duct 151, the second cooling duct 152 and the 3rd cooling duct 153, and described the first cooling duct 151, the second cooling duct 152 and the 3rd cooling duct 153 are opened in respectively three of main valve body 1 not ipsilaterals; Described the first cooling duct 151, the second cooling duct 152 and the 3rd cooling duct 153 are interconnected by striker passage 16 respectively; Described striker passage 16 is provided with the first seal 17 with the junction of piston cavity 13, and described striker passage 16 is provided with the second seal 18 with the junction of nozzle assembly 2 assemblies.
By the sealing of the first seal 17, gas can not enter striker passage 16 by piston cavity 13, makes piston cavity 13 form the space of a sealing, makes the gas that enters 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 magnetic valve 6, then by striker passage 16, because the second seal 18 is arranged at the junction of striker passage 16 and nozzle assembly 2 assemblies, gas can not enter nozzle assembly 2 assemblies, and entering respectively the second cooling duct 152 and the 3rd cooling duct 153, it is outside that the heat that gas produces main valve body 1 through above-mentioned passage is discharged, and reaches the object of heat radiation.
As preferably, described the first cooling duct 151 is communicated with inlet channel 14 by magnetic valve 6, described the second cooling duct 152 and the 3rd residing side, cooling duct 153 are provided with cooling cavity 19, described the second cooling duct 152, the 3rd cooling duct 153 are communicated with cooling cavity 19 separately respectively, and the lateral surface of each cooling cavity 19 is all connected with acoustical panel 20.The closure of magnetic valve 6 control channels, make piston 12 compressions gas out enter respectively each self-cooling channel 15 by inlet channel 14, because the second cooling duct 152 and the 3rd cooling duct 153 are provided with cooling cavity 19, gas enters striker passage 16 by the first cooling duct 151, by the second cooling duct 152 and the 3rd cooling duct 153, enter respectively cooling cavity 19 separately again, gas is finally discharged through acoustical panel 20 by cooling cavity 19, to because cooling cavity 19 occupies the area that main valve body 1 is larger, increased the contact area of gas and main valve body 1, make gas can take away the more heat of main valve body 1, better heat-radiation effect, noise when acoustical panel 20 reduces gas discharge.
The nozzle assembly 2 of the present embodiment comprises nozzle body 21 and nozzle 22, described nozzle 22 is arranged at the front end of nozzle body 21, described striker 11 leaves coating gap 23 with the inside of nozzle body 21, described nozzle body 21 is provided with clamp ring 24 with the junction of main valve body 1, and described nozzle body 21 is fixedly connected with main valve body 1 by clamp ring 24; The side of described nozzle body 21 offers charging hole, and described charging hole is communicated with coating gap 23, and the discharging opening of described feeding device 4 is communicated with charging hole.Feeding device 4 enters coating gap 23 by coating by charging hole, and when striker 11 rises, coating enters nozzle 22, and when striker 11 declines with nozzle 22 generation shock, coating penetrates rapidly from nozzle 22.
Described in the present embodiment, between nozzle 22 and striker 11, be provided with and clash into seat 25, the described seat 25 that clashes into is taper concave surface with the contact-making surface of striker 11.The striking face that clashes into seat 25 adopts taper concave surface can increase the explosive force while clashing into, and has increased the jet velocity of coating.
The feeding device 4 of the present embodiment comprises feed hopper 41, conduit 42 and discharging joint 43, described feed hopper 41 is fixedly connected with main valve body 1 by fixed mount, and described conduit 42 is communicated between feed hopper 41 and discharging joint 43, and described discharging joint 43 is connected in charging hole.Feed hopper 41 is fixed on one with main valve body 1, makes the structure of injection valve compacter, meets the feed demand of self.
As preferably, described striker 11 tops are provided with striker seat 10; Described gel quantity adjusting device 3 comprises stroke adjusting device 31 and pretension adjusting device 32, and between described pretension adjusting device 32 and shock seat 10, butt has preloading spring 321; Described stroke adjusting device 31 is arranged at the top of pretension adjusting device 32, for controlling the stroke of striker 11.In piston 12 uphill process, striker 11 promotes striker seat 10, and striker seat 10 is compression preloading spring 321 further, by regulating preloading spring 321 can control the height that striker 11 rises, thereby control the gap between striker 11 and nozzle 22, the gel quantity of Control Nozzle 22.The gas of same pressure, the elastic force of preloading spring 321 is larger, and the height that striker 11 rises is less; The elastic force of preloading spring 321 is less, and the height that striker 11 rises is larger, reaches the object of the gel quantity of Control Nozzle 22.Stroke adjusting device 31 also can be controlled the stroke of striker 11, can reach the object of the gel quantity of Control Nozzle 22.
As preferably, described striker passage 16 is provided with the positioning sleeve 7 that prevents striker 11 double swerves, avoids striker 11 to shake in knockout process, improves the precision of spraying.
As preferably, the aperture of described nozzle 22 is reduced gradually by feed end to discharge end, and nozzle 22 adopts the mode of shrinking apertures to design, and can increase the jet velocity of gluing.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (8)
1. a pneumatic type injection valve, comprise 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 gel quantity adjusting 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 with feeder (5), described main valve body (1) is provided with striker (11) with the inside of nozzle assembly (2), described striker (11) is connected with gel quantity adjusting device (3), it is characterized in that: between described feeder (5) and main valve body (1), be provided with for controlling main valve body (1) air inlet and the magnetic valve (6) of giving vent to anger, the upper end of described striker (11) is connected with piston (12), the upper end of described main valve body (1) is provided with the piston cavity (13) for accommodating 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 magnetic valve (6) and piston cavity (13), and the gas outlet of described inlet channel (14) is positioned at the below of piston (12); Described main valve body (1) offers the cooling duct (15) for cooling main valve body (1), and described cooling duct (15) are communicated with magnetic valve (6), inlet channel (14), piston cavity (13).
2. a kind of pneumatic type injection valve according to claim 1, it is characterized in that: described main valve body (1) is provided with the striker passage (16) for accommodating striker (11), described cooling duct (15) comprises the first cooling duct (151), the second cooling duct (152) and the 3rd cooling duct (153), and described the first cooling duct (151), the second cooling duct (152) and the 3rd cooling duct (153) are opened in respectively three of main valve body (1) not ipsilaterals;
Described the first cooling duct (151), the second cooling duct (152) and the 3rd cooling duct (153) are interconnected by striker passage (16) respectively;
Described striker passage (16) is provided with the first seal (17) with the junction of piston cavity (13), and described striker passage (16) is provided with the second seal (18) with the junction of nozzle assembly (2) assembly.
3. a kind of pneumatic type injection valve according to claim 2, it is characterized in that: described the first cooling duct (151) is communicated with inlet channel (14) by magnetic valve (6), the side of described the second cooling duct (152) and the 3rd cooling duct (153) is provided with cooling cavity (19), described the second cooling duct (152), the 3rd cooling duct (153) are communicated with contiguous separately cooling cavity (19) respectively, and the lateral surface of each cooling cavity (19) is all connected with acoustical panel (20).
4. a kind of pneumatic type injection valve according to claim 1, it is characterized in that: described nozzle assembly (2) comprises nozzle body (21) and nozzle (22), described nozzle (22) is arranged at the front end of nozzle body (21), described striker (11) leaves coating gap (23) with the inside of nozzle body (21), described nozzle body (21) is provided with clamp ring (24) with the junction of main valve body (1), and described nozzle body (21) is fixedly connected with main valve body (1) by clamp ring (24);
The side of described nozzle body (21) offers charging hole, and described charging hole is communicated with coating gap (23), and the discharging opening of described feeding device (4) is communicated with charging hole.
5. a kind of pneumatic type injection valve according to claim 4, is characterized in that: between described nozzle (22) and striker (11), be provided with and clash into seat (10), the described seat (10) that clashes into is taper concave surface with the contact-making surface of striker (11).
6. a kind of pneumatic type injection valve according to claim 4, it is characterized in that: described feeding device (4) comprises feed hopper (41), conduit (42) and discharging joint (43), described feed hopper (41) is fixedly connected with main valve body (1) by fixed mount, described conduit (42) is communicated between feed hopper (41) and discharging joint (43), and described discharging joint (43) is connected in charging hole.
7. a kind of pneumatic type injection valve according to claim 1, is characterized in that: described striker (11) top is provided with striker seat (25); Described gel quantity adjusting device (3) comprises stroke adjusting device (31) and pretension adjusting device (32), and between described pretension adjusting device (32) and striker seat (25), butt has preloading spring (321); Described stroke adjusting device (31) is arranged at the top of pretension adjusting device (32), for controlling the stroke of striker (11).
8. a kind of pneumatic type injection valve according to claim 2, is characterized in that: described striker passage (16) is provided with the positioning sleeve (7) that prevents striker (11) double swerve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320679394.9U CN203540815U (en) | 2013-10-31 | 2013-10-31 | Pneumatic jet valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320679394.9U CN203540815U (en) | 2013-10-31 | 2013-10-31 | Pneumatic jet valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203540815U true CN203540815U (en) | 2014-04-16 |
Family
ID=50458985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320679394.9U Withdrawn - After Issue CN203540815U (en) | 2013-10-31 | 2013-10-31 | Pneumatic jet valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203540815U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521396A (en) * | 2013-10-31 | 2014-01-22 | 刘飞 | Pneumatic injection valve |
| CN106733446A (en) * | 2016-12-19 | 2017-05-31 | 苏州睿斯合机电设备有限公司 | A kind of firing pin type point glue equipment |
| CN108855657A (en) * | 2017-05-12 | 2018-11-23 | 诺信公司 | Nozzle and coating system including it |
-
2013
- 2013-10-31 CN CN201320679394.9U patent/CN203540815U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521396A (en) * | 2013-10-31 | 2014-01-22 | 刘飞 | Pneumatic injection valve |
| CN103521396B (en) * | 2013-10-31 | 2016-06-08 | 湖南汉科德科技有限公司 | A kind of Pneumatic injection valve |
| CN106733446A (en) * | 2016-12-19 | 2017-05-31 | 苏州睿斯合机电设备有限公司 | A kind of firing pin type point glue equipment |
| CN108855657A (en) * | 2017-05-12 | 2018-11-23 | 诺信公司 | Nozzle and coating system including it |
| CN108855657B (en) * | 2017-05-12 | 2021-08-13 | 诺信公司 | Nozzle and gluing system comprising same |
| US11724266B2 (en) | 2017-05-12 | 2023-08-15 | Nordson Corporation | Nozzle and applicator system comprising the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140416 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |