CN209476588U - Mechanical type spraying valve - Google Patents
Mechanical type spraying valve Download PDFInfo
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- CN209476588U CN209476588U CN201821968746.1U CN201821968746U CN209476588U CN 209476588 U CN209476588 U CN 209476588U CN 201821968746 U CN201821968746 U CN 201821968746U CN 209476588 U CN209476588 U CN 209476588U
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- striker
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- master cylinder
- slideway
- type spraying
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Abstract
The utility model is suitable for micro-amounts of liquids injection apparatus field, provides a kind of mechanical type spraying valve, including liquid guide flow pipe, gas control valve, master cylinder, liquid material cylinder and nozzle.There is gas chamber and slideway inside master cylinder, slideway forms upper and lower distribution first, second slideway by barrier component, venthole is offered on the inner wall of gas chamber, reflux air inlet is offered on one inner sidewall of the second slideway, venthole is connected to by pipeline with reflux air inlet, offers reflux venthole on another inner sidewall of the second slideway.The utility model is designed by cleverly structure, can cool down the heat generating components in master cylinder in gas backstreaming to master cylinder, is avoided the raising of fluent material temperature, be ensure that material property, realize the utilization again of gas；Meanwhile the gas of reflux is not necessarily to additional power mechanism, compared to the existing injection valve by additionally increasing cooling device.
Description
Technical field
The utility model belongs to micro-amounts of liquids injection apparatus field more particularly to a kind of mechanical type spraying valve.
Background technique
Injection valve is a kind of device that can eject denier fluent material at a high speed, can be applied to microelectronics Packaging.
Different products has different requirements to the characteristic of encapsulation glue, is distinguished according to the characteristic of applied encapsulation glue, injection
Valve can be divided into hot melt adhesive injection valve and cryogenic liquid injection valve.Wherein, hot melt adhesive injection valve needs to add fluent material
Heat, and cryogenic liquid injection valve then needs good temperature control capability, to prevent fluent material from temperature change occurs, influences liquid
The material property of body, influences package quality.However, valve inner has the structure of the phases mutual friction such as sealing ring and striker,
Heat will necessarily be generated in friction process, if valve inner cannot radiate in time, temperature will necessarily be increased, and then influence
The intracorporal fluent material of valve.For this purpose, existing cryogenic liquid injection valve increases cooling body to cool down to injection valve, however,
Existing cooling body is required to additionaling power to drive refrigerant, requires the expenditure of energy, also, cooling body also adds injection
Overall volume, weight and the material cost of valve.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of mechanical type spraying valves, it is intended to solve the prior art
In cryogenic liquid injection valve because be added cooling body caused by energy consumption it is big, and increase overall volume, weight with
And the problem of material cost.
The utility model is realized in this way a kind of mechanical type spraying valve, including liquid guide flow pipe, gas control valve, master
Cylinder, liquid material cylinder and nozzle；The gas control valve be used to control air inlet on the gas control valve unlatching or
It closes, striker and elastic top tight pieces is provided in the master cylinder, when the air inlet is opened, the striker is in gas
The lower activity upwards of driving, the elasticity top tight pieces press the top of the striker, when the air inlet bore closure, the elastic top
Tight part pushes the striker to move downward；The liquid material cylinder is installed on the bottom of the master cylinder, and the bottom end of the striker is stretched
Enter in the liquid material cylinder, the bottom end of the liquid guide flow pipe is accessed in the liquid material cylinder, and the nozzle is installed on the liquid
Body bottom of the cylinder；There is gas chamber inside the master cylinder and supply the movable slideway of the striker, the gas chamber is located at described hit
The top of needle, the bottom of the gas chamber are connected to the slideway；The slideway forms upper and lower distribution first by barrier component
Slideway and the second slideway, first slideway are connected to the gas chamber and air inlet, offer out on the inner wall of the gas chamber
Stomata, reflux air inlet is offered on an inner sidewall of second slideway, and the venthole is flowed back by pipeline with described
Stomata is connected to, and offers reflux venthole on another inner sidewall of second slideway.
Further, the mechanical type spraying valve further includes vertically arranged snorkel, the bottom of the snorkel and institute
State reflux venthole connection.
Further, the mechanical type spraying valve further includes regulating mechanism, and the regulating mechanism includes micrometer and thousand
Dividing rod support, the micrometer stand is installed on the top of the master cylinder, and the micrometer is installed on the micrometer stand, and
And the position of the micrometer can up and down adjustment；The bottom of the micrometer is fixedly connected with the top of the striker.
Further, the gas control valve is solenoid valve comprising electromagnetic valve body and gland, the electromagnetic valve body are logical
The gland is crossed to be installed on the side of the master cylinder.
Further, the mechanical type spraying valve further includes nozzle retaining cap, and the nozzle is fixed embedded at the nozzle
The bottom of cap, also, the top of the nozzle retaining cap is threadedly coupled with the liquid material cylinder.
Further, the pipeline venthole being connected to reflux air inlet is additional pipeline or institute
State the pipeline set in master cylinder.
Further, the cavity for setting the elastic top tight pieces, the cavity are provided at the top of the master cylinder
It is inside provided with a guide post, the elasticity top tight pieces are spring, and the elasticity top tight pieces are around the home on the periphery of the guide post；
Spring pedestal is installed, the bottom end of the elasticity top tight pieces presses the spring pedestal at the top of the striker.
Further, extend forced section at the top of the striker, the size of the forced section matches with the gas chamber.
Further, the barrier component includes guide sleeve, and the guide sleeve in the slideway, wear by the striker
In the guide sleeve.
Further, the junction of the liquid material cylinder and the master cylinder is equipped with sealing ring, and the striker is arranged in
In the sealing ring.
Compared with prior art, beneficial effect is the utility model: the mechanical type spraying valve of the utility model, Yu Zhuqi
Venthole is offered on the gas chamber inner wall of cylinder, the air in gas chamber is extruded during striker moves downward, then from out
It flows out in stomata, and is back in slideway through pipeline.It can be dissipated into the air in slideway to components such as cylinder body, the strikers of master cylinder
Heat, to be avoided that heat transfer to fluent material, it is therefore prevented that the temperature of fluent material changes.As it can be seen that the utility model
It is designed by cleverly structure, the heating position and hair that in gas backstreaming to master cylinder, can will can be cooled down in master cylinder
Thermal part, the temperature for avoiding fluent material increase, ensure that the performance of fluent material, realize the utilization again of gas；Together
When, the gas of reflux is not necessarily to additional power mechanism, and compared to the existing injection valve by additionally increasing cooling device, this is practical
Novel injection valve overall volume is small, light-weight, and the cost of material is low.
Detailed description of the invention
Fig. 1 is a kind of longitudinal schematic cross-sectional view of mechanical type spraying valve provided by the embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention；Term " first ", " the
Two ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance；In addition, unless otherwise specific
Regulation and restriction, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to
It is detachably connected, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also lead to
It crosses intermediary to be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be with
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Referring to Figure 1, it is a preferred embodiment provided by the utility model, provides a kind of mechanical type spraying valve, including
Liquid guide flow pipe 1, gas control valve 2, master cylinder 3, liquid material cylinder 4, nozzle 5, nozzle retaining cap 6, regulating mechanism 7 and vertical
The snorkel 8 of setting.Wherein, striker 31 and elastic top tight pieces 32 are provided in master cylinder 3.
Above-mentioned gas control valve 2 is solenoid valve comprising electromagnetic valve body 21 and gland 22.The electromagnetic valve body 21 passes through
Gland 22 is installed on the side of master cylinder 3.Gas control valve 2 is used to control unlatching or the pass of the air inlet 30 on master cylinder 3
It closes, when air inlet 30 is opened, striker 31 activity upwards, elastic top tight pieces 32 under the driving of gas press the top of striker 31
Portion, when air inlet 211 is closed, elastic top tight pieces 32 push striker 31 to move downward.
Aforesaid liquid material cylinder 4 is installed on the bottom of master cylinder 3, and the bottom end of striker 31 is protruded into liquid material cylinder 4, liquid guide flow
In the bottom end access liquid material cylinder 4 of pipe 1, so that fluent material can be from the entrance influent material cylinder 4 of 1 upper end of liquid guide flow pipe
In.The nozzle 5 is embedded at the bottom of the nozzle retaining cap 6, also, the top of nozzle retaining cap 6 and the liquid material cylinder 4
It is threadedly coupled.Striker 31 can squeeze the fluent material in liquid material cylinder 4 during moving downward, and then spray from nozzle 5
Out.
Specifically, there is gas chamber 33 inside above-mentioned master cylinder 3 and supply the movable slideway 34 of the striker 31.The gas chamber
33 are located at the top of striker 31, and the bottom of the gas chamber 33 is connected to the slideway 34.Extend forced section in the top of striker 31
310, size and the gas chamber 33 of forced section 310 match, thus, the good inner wall close to gas chamber 33 of the forced section of striker 31 proper 310
It moves up and down.
Above-mentioned slideway 34 forms upper and lower distribution first slideway and the second slideway by barrier component.First slideway with
Gas chamber 33 and air inlet 30 are connected to, and are offered venthole 35 on the inner sidewall of gas chamber 33, are opened up on an inner sidewall of the second slideway
There is reflux air inlet 36, venthole 35 is connected to reflux air inlet 36 by pipeline 9, is opened up on another inner sidewall of the second slideway
There is reflux venthole 37.The bottom of snorkel 8 is connected to the reflux venthole 37.In practical applications, by the venthole
35 pipelines 9 being connected to reflux air inlet 36 are the pipelines set in additional pipeline or master cylinder 3.
Further, the top of above-mentioned master cylinder 3 is provided with the cavity for setting the elastic top tight pieces 32, the chamber
It is provided with a guide post 38 in vivo, the elasticity top tight pieces 32 are spring, and elastic top tight pieces 32 are around the home in the periphery of guide post 38
On, thus, elastic top tight pieces 32 can do dilatation along guide post 38.The top of the striker 31 is equipped with spring pedestal
311, the bottom end top pressure spring pedestal 311 of the elasticity top tight pieces 32, spring pedestal 311 is connected with the top of striker 31, when
When air inlet 30 is closed, elastic top tight pieces 32 push striker 31 to move downward.
Above-mentioned barrier component includes guide sleeve 341, and the guide sleeve 341 is in the slideway 34, the striker 31
It is arranged in the guide sleeve 341.The junction of the liquid material cylinder 4 and the master cylinder 3 is equipped with sealing ring 342, described
Striker 31 is arranged in the sealing ring 342.
Above-mentioned regulating mechanism 7 includes micrometer 71 and micrometer stand 72, and the micrometer stand 72 is installed on the main gas
The top of cylinder 3, the micrometer 71 is installed on micrometer stand 72, also, the position of the micrometer 71 can be adjusted above and below；
The bottom of the micrometer 71 is fixedly connected with the top of the striker 31.It, can be with by adjusting the upper and lower position of micrometer 71
The gap size between nozzle 5 and nozzle retaining cap 6 is adjusted, to adjust the dispensing amount of injection valve single.
As it can be seen that the mechanical type spraying valve of the present embodiment, in offering venthole 35, gas on 33 inner wall of gas chamber of master cylinder 3
Air in room 33 is extruded during striker 31 moves downward, and is then flowed out from venthole 35, and is flowed back through pipeline 9
To slideway 34.The heat dissipation of the components such as cylinder body, the striker 31 of master cylinder 3 can be given into the air in slideway 34, to be avoided that heat
Amount passes to fluent material, it is therefore prevented that the temperature of fluent material changes.As it can be seen that the present embodiment is set by cleverly structure
Meter, can avoid liquid for the heating position and heat generating components that in gas backstreaming to master cylinder 3, can be cooled down in master cylinder 3
The temperature of body material increases, and ensure that the performance of fluent material, realizes the utilization again of gas；Meanwhile the gas of reflux without
Additional power mechanism is needed, compared to the existing injection valve by additionally increasing cooling device, the injection valve of the utility model is whole
Body is small in size, light-weight, and the cost of material is low.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of mechanical type spraying valve, including liquid guide flow pipe, gas control valve, master cylinder, liquid material cylinder and nozzle；It is described
Gas control valve is used to control opening or closing for the air inlet on the gas control valve, is provided with striker in the master cylinder
And elastic top tight pieces, when the air inlet is opened, activity, the elasticity are held out against the striker upwards under the driving of gas
Part presses the top of the striker, and when the air inlet bore closure, the elasticity top tight pieces push the striker to move downward；Institute
The bottom that liquid material cylinder is installed on the master cylinder is stated, the bottom end of the striker is protruded into the liquid material cylinder, and the liquid is led
The bottom end of flow tube is accessed in the liquid material cylinder, and the nozzle is installed on the liquid bottom of the cylinder；Tool inside the master cylinder
There is gas chamber and supply the movable slideway of the striker, the gas chamber is located at the top of the striker, the bottom of the gas chamber and institute
State slideway connection；It is characterized in that, the slideway forms upper and lower distribution first slideway and the second cunning by barrier component
Road, first slideway are connected to the gas chamber and air inlet, and venthole is offered on the inner wall of the gas chamber, and described second is sliding
Offering reflux air inlet on one inner sidewall in road, the venthole is connected to by pipeline with the reflux air inlet, and described the
Reflux venthole is offered on another inner sidewall of two slideways.
2. mechanical type spraying valve as described in claim 1, which is characterized in that the mechanical type spraying valve further includes vertically arranged
Snorkel, the bottom of the snorkel is connected to the reflux venthole.
3. mechanical type spraying valve as described in claim 1, which is characterized in that the mechanical type spraying valve further includes adjusting machine
Structure, the regulating mechanism include micrometer and micrometer stand, and the micrometer stand is installed on the top of the master cylinder, described
Micrometer is installed on the micrometer stand, also, the position of the micrometer can up and down adjustment；The bottom of the micrometer with
The top of the striker is fixedly connected.
4. mechanical type spraying valve as described in claim 1, which is characterized in that the gas control valve is solenoid valve comprising
Electromagnetic valve body and gland, the electromagnetic valve body are installed on the side of the master cylinder by the gland.
5. mechanical type spraying valve as described in claim 1, which is characterized in that the mechanical type spraying valve further includes that nozzle is fixed
Cap, the nozzle are embedded at the bottom of the nozzle retaining cap, also, the top of the nozzle retaining cap and the liquid material cylinder
It is threadedly coupled.
6. the mechanical type spraying valve as described in any one of claim 1 to 5, which is characterized in that by the venthole and return
The pipeline for flowing into stomata connection is the pipeline set in additional pipeline or the master cylinder.
7. the mechanical type spraying valve as described in any one of claim 1 to 5, which is characterized in that the top of the master cylinder
It is provided with the cavity for setting the elastic top tight pieces, a guide post is provided in the cavity, the elasticity top tight pieces are
Spring, the elasticity top tight pieces are around the home on the periphery of the guide post；Spring pedestal is installed at the top of the striker, it is described
The bottom end of elastic top tight pieces presses the spring pedestal.
8. the mechanical type spraying valve as described in any one of claim 1 to 5, which is characterized in that prolong at the top of the striker
Forced section is stretched out, the size of the forced section matches with the gas chamber.
9. the mechanical type spraying valve as described in any one of claim 1 to 5, which is characterized in that the barrier component includes
Guide sleeve, in the slideway, the striker is arranged in the guide sleeve guide sleeve.
10. the mechanical type spraying valve as described in any one of claim 1 to 5, which is characterized in that the liquid material cylinder and institute
The junction of master cylinder is stated equipped with sealing ring, the striker is arranged in the sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821968746.1U CN209476588U (en) | 2018-11-26 | 2018-11-26 | Mechanical type spraying valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821968746.1U CN209476588U (en) | 2018-11-26 | 2018-11-26 | Mechanical type spraying valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209476588U true CN209476588U (en) | 2019-10-11 |
Family
ID=68117165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821968746.1U Active CN209476588U (en) | 2018-11-26 | 2018-11-26 | Mechanical type spraying valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209476588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-11-26 CN CN201821968746.1U patent/CN209476588U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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