CN206527006U - A kind of injection valve feeding device and the injection valve using the feeding device - Google Patents

A kind of injection valve feeding device and the injection valve using the feeding device Download PDF

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Publication number
CN206527006U
CN206527006U CN201720144923.3U CN201720144923U CN206527006U CN 206527006 U CN206527006 U CN 206527006U CN 201720144923 U CN201720144923 U CN 201720144923U CN 206527006 U CN206527006 U CN 206527006U
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China
Prior art keywords
injection valve
screw
feeding device
fluid
striker
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Application number
CN201720144923.3U
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Chinese (zh)
Inventor
杨忠
陈克银
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SHANGHAI TERIDGE AUTOMATION TECHNOLOGY Co Ltd
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SHANGHAI TERIDGE AUTOMATION TECHNOLOGY Co Ltd
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Priority to CN201720144923.3U priority Critical patent/CN206527006U/en
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Abstract

The utility model proposes the injection valve of a kind of injection valve feeding device and the use feeding device.Injection valve feeding device includes screw drive motor, reductor, shaft coupling, screw rotor, screw stator and temperature control device;Screw stator is fixed in temperature control device, and screw rotor is installed in screw stator, and screw rotor one end is connected by shaft coupling with reductor, screw drive motor, and the screw rotor other end is exported towards feed.Screw rotor and screw stator in the utility model have self sealss, the Fluid pressure of fluid cavity and the Fluid pressure of feed inlet can be isolated, it can prevent striker during upward motion, fluid, which is squeezed, to be pressed back into feed streams road, it is ensured that the stabilization of feed.Temperature control device outside screw stator ensure that stablizing for fluid is constant, prevent fluid viscosity to fluctuate, and further enhancing the stabilization of fluid flow.

Description

A kind of injection valve feeding device and the injection valve using the feeding device
Technical field
The utility model belongs to spot gluing equipment, is related to injection valve and its feeding device, and especially a kind of self sealss screw rod turns Son and stator feeding device and corresponding injection valve.
Background technology
In the industries such as electric mechanical, medicine equipment, high-precision equipment, injection valve is used for will be a small amount of with contactless Or the high viscosity substance of droplet is assigned on substrate or workpiece, this high viscosity substance generally comprises solder flux, soldering paste, bonding The compounds such as agent, oil, sealed polymer, silicone, usual this high viscosity substance will not flow down in its own gravity at normal temperatures It is dynamic, injecting jet valve is generally required when using, then be assigned in the way of a small amount of or drop on substrate or workpiece by injection valve.
The structure of existing injection valve fluid supply using air pressure as shown in figure 1, be directly fed, and fluid is from syringe or pressure Bucket is directly entered feed inlet 101, and the fluid cavity 104 of injection valve is then transported to by feed runner 102 and heater 103 At nozzle 105, in the presence of striker 106, fluid is ejected from nozzle 105.This kind of structure controls to supply using air pressure Stream amount, controls the viscosity of fluid by the way of heating, so as to reach the purpose of control fluid feed streams amount.Due to temperature wave Dynamic and air pressure cause of fluctuation, can cause to be fed flowed fluctuation, so as to cause the weight of the fluid ejected to fluctuate therewith.
Utility model content
To overcome above-mentioned the deficiencies in the prior art, the utility model provides a kind of injection valve feeding device and uses the feed The injection valve of device, it is therefore intended that ensure the stabilization of fluid supply.
In order to achieve the above object, solution of the present utility model is:
One of the technical scheme in the invention for solving the technical problem is to provide a kind of injection valve feeding device, including spiral shell Bar drive motor, reductor, shaft coupling, screw rotor, screw stator and temperature control device;The temperature control device provided with cavity with And the feed inlet and feed being connected with the cavity are exported, the screw stator is fixed on the cavity of the temperature control device Interior, the screw rotor is installed in the screw stator, and one end of the screw rotor is subtracted by the shaft coupling with described Fast machine, the screw drive motor are sequentially connected, and the other end of the screw rotor is exported towards the feed.
According to the one side of the utility model injection valve feeding device, the screw rotor is made using rigid material, The screw stator is made using flexible material.
According to the one side of the utility model injection valve feeding device, between the screw rotor and the screw stator With self sealss.
The two of the technical scheme in the invention for solving the technical problem are to provide a kind of injection valve, including any above-mentioned Injection valve feeding device.
According to the one side of the utility model injection valve, including injection valve body, there is stream in the injection valve body The charging aperture that the feed outlet with the injection valve feeding device is communicated is offered on body cavity, the side wall of the fluid cavity, it is described The bottom of injection valve body, which is formed with the nozzle communicated with the fluid cavity, the fluid cavity, is provided with striker, the striker One end towards the nozzle, the other end of the striker is connected with hammer-driven device, and the striker can drive in the striker Move and fitted or away from the side of the nozzle with the nozzle towards the direction of the nozzle under the drive of dynamic device To motion.
According to the one side of the utility model injection valve, the junction of the striker and the fluid cavity is provided with sealing Circle.
Due to using such scheme, the beneficial effects of the utility model are:
The utility model combination actual conditions, it is proposed that a kind of injection valve feeding device and the injection using the feeding device Valve.There are self-sealing characteristics between screw rotor and screw stator in the utility model, can be by the Fluid pressure of fluid cavity Isolate with the Fluid pressure of feed inlet.Therefore the utility model can prevent striker during upward motion, fluid quilt Extruding is returned in feed runner, therefore, it is possible to ensure the stabilization of feed.Temperature control device outside screw stator ensure that fluid Stablize constant, prevent fluid viscosity to fluctuate, further enhancing the stabilization of fluid flow.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the utility model embodiment, it will make below to required in embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings Other accompanying drawings.
Fig. 1 is the structural representation of existing injection valve.
Fig. 2 is the structural representation of the injection valve using the utility model feeding device.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 2 show injection valve feeding device of the present utility model and using the feeding device injection valve.On the left of Fig. 2 For injection valve feeding device, right side is injection valve body.
As shown in Fig. 2 injection valve feeding device includes screw drive motor 201, reductor 202, shaft coupling 203, screw rod Rotor 204, screw stator 205 and temperature control device 206.It is provided with the middle of temperature control device 206 on cavity, the side wall of temperature control device 206 Provided with UNICOM's cavity and extraneous feed inlet 207, one end of cavity is feed outlet 208.Screw stator 205 is fixed on temperature control In the cavity of device 206, screw rotor 204 is installed in screw stator 205.One end of screw rotor 204 passes through shaft coupling 203 It is connected successively with reductor 202, screw drive motor 201, the other end of screw rotor 204 exports 208 towards feed.Wherein, Screw rotor 204 is made using rigid material, and screw stator 205 is made using flexible material.Screw rotor 204 and screw stator There are self sealss between 205.
Offered and injection valve on fluid cavity 209, the side wall of fluid cavity 209 as shown in Fig. 2 injection valve body interior has The charging aperture 2010 that the feed outlet 208 of feeding device is communicated, the bottom of injection valve body is formed with what is communicated with fluid cavity 209 Nozzle 2011.It is vertically-mounted in fluid cavity 209 to have striker 2012, one end of striker 2012 towards nozzle 2011, striker 2012 The other end is connected with hammer-driven device 2013.Hammer-driven device 2013 can be motor.Striker 2012 can be in hammer-driven Move and fitted with nozzle 2011 towards the direction of nozzle 2011 under the drive of device 2013, or away from nozzle 2011 Move in direction.The junction of striker 2012 and fluid cavity 209 is provided with sealing ring 2014.
With reference to Fig. 2, operation principle of the present utility model is as follows:
Feeding device uses helical structure, pressure-resistant seal.In the presence of screw drive motor 201, reductor 202, spiral shell The directional-rotation in the die cavity of screw stator 205 of bar rotor 204, realizes fluid media (medium) conveying function.Course of conveying is not situated between to fluid Matter produces shear action, will not any influence of fluid medium character generation.It can be inverted simultaneously by screw drive motor 201, Realize fluid media (medium) resorption.
There are self sealss between screw rotor 204 and screw stator 205, can by the Fluid pressure of fluid cavity 209 and The Fluid pressure isolation of feed inlet 207, prevents striker 2012 during upward motion, fluid media (medium), which is squeezed, is pressed back into confession In stream road, the stabilization of feed ensure that.Temperature control device 206 outside screw stator 205 ensure that the stable permanent of fluid It is fixed, prevent fluid viscosity to fluctuate, further enhancing the stabilization of fluid flow.
Striker 2012 presses in the presence of hammer-driven device 2013 with nozzle 2011, prevents fluid media (medium) from flowing out, place In closed mode, fluid media (medium) is full of fluid cavity 209.Under the driving of hammer-driven device 2013, striker 2012 is moved upwards, Separated with nozzle 2011, striker 2012 stops one section of reasonable time in highest position.Then, striker 2012 is in hammer-driven Under the active force of device 2013, fast ram nozzle 2011, fluid media (medium) is cut off in flow process, and fluid is situated between in moment Matter sprays out to complete a work period with glue drop-wise by nozzle 2011.Striker 2012 is equally stopped in its lowest position One section of reasonable time, then up motion starts next period of motion.Sealing ring 2014 can prevent fluid media (medium) from hitting Pin 2012 flows out with the gap of fluid cavity 209, and has blessing and guide effect to striker 2012.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and special using this Profit.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein General Principle is applied in other embodiment without passing through performing creative labour.Therefore, the utility model is not limited to here Embodiment, those skilled in the art disclose according to of the present utility model, do not depart from improvement that the utility model category made and Modification all should be within protection domain of the present utility model.

Claims (6)

1. a kind of injection valve feeding device, it is characterised in that including screw drive motor, reductor, shaft coupling, screw rotor, Screw stator and temperature control device;The temperature control device is provided with cavity and the feed inlet and feed that are connected with the cavity Outlet, the screw stator is fixed in the cavity of the temperature control device, and the screw rotor is installed in the screw stator, One end of the screw rotor is sequentially connected by the shaft coupling with the reductor, the screw drive motor, the spiral shell The other end of bar rotor is exported towards the feed.
2. according to the injection valve feeding device described in claim 1, it is characterised in that the screw rotor uses rigid material system Make, the screw stator is made using flexible material.
3. according to the injection valve feeding device described in claim 1, it is characterised in that the screw rotor and the screw stator Between have self sealss.
4. a kind of injection valve, it is characterised in that including any described injection valve feeding device of claims 1 to 3.
5. according to the injection valve described in claim 4, it is characterised in that including injection valve body, have in the injection valve body Have and the charging aperture that the feed outlet with the injection valve feeding device is communicated offered on fluid cavity, the side wall of the fluid cavity, The bottom of the injection valve body, which is formed with the nozzle communicated with the fluid cavity, the fluid cavity, is provided with striker, described One end of striker is connected towards the nozzle, the other end of the striker with hammer-driven device, and the striker can be hit described Move and fitted or away from the nozzle with the nozzle towards the direction of the nozzle under the drive of needle actuating device Direction motion.
6. according to the injection valve described in claim 5, it is characterised in that the junction of the striker and the fluid cavity is provided with close Seal.
CN201720144923.3U 2017-02-17 2017-02-17 A kind of injection valve feeding device and the injection valve using the feeding device Active CN206527006U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720144923.3U CN206527006U (en) 2017-02-17 2017-02-17 A kind of injection valve feeding device and the injection valve using the feeding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720144923.3U CN206527006U (en) 2017-02-17 2017-02-17 A kind of injection valve feeding device and the injection valve using the feeding device

Publications (1)

Publication Number Publication Date
CN206527006U true CN206527006U (en) 2017-09-29

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Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108760168A (en) * 2018-06-26 2018-11-06 哈尔滨工业大学(威海) Test device for air tightness

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108760168A (en) * 2018-06-26 2018-11-06 哈尔滨工业大学(威海) Test device for air tightness
CN108760168B (en) * 2018-06-26 2020-05-26 哈尔滨工业大学(威海) Air tightness testing device

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