CN116871132A - Double-component diaphragm type switch valve - Google Patents
Double-component diaphragm type switch valve Download PDFInfo
- Publication number
- CN116871132A CN116871132A CN202310910330.3A CN202310910330A CN116871132A CN 116871132 A CN116871132 A CN 116871132A CN 202310910330 A CN202310910330 A CN 202310910330A CN 116871132 A CN116871132 A CN 116871132A
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- valve
- component
- diaphragm type
- cylinder
- glue
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- 239000003292 glue Substances 0.000 claims abstract description 120
- 238000007599 discharging Methods 0.000 claims abstract description 18
- 238000004378 air conditioning Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 8
- 239000004615 ingredient Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 49
- 239000012530 fluid Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000003031 feeding effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1026—Valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet
Abstract
The application discloses a two-component diaphragm type on-off valve, and relates to the technical field of valves. Wherein, this two ingredient diaphragm type ooff valve includes: a glue outlet base; the discharging hole is arranged at the bottom of the glue outlet base; the component A diaphragm type switch valve is arranged on the upper surface of the glue outlet base; the component B diaphragm type switching valve is arranged on the glue outlet base adjacent to the component A diaphragm type switching valve; the A-component diaphragm type switching valve gas path is arranged on the A-component diaphragm type switching valve; the B component diaphragm type on-off valve gas path is arranged on the B component diaphragm type on-off valve. The application solves the problem that the existing two-component switch valve has poor performance when applied to abrasive glue; the glue type is less for the application with high viscosity and large flow; the glue outlet precision is not enough, and the phenomenon of glue leakage and glue dripping can occur due to the insufficient sealing property of the valve after the glue outlet is stopped; and the lack of a switching valve type suitable for a two-component diaphragm type structure with a large mixing ratio.
Description
Technical Field
The application relates to the technical field of valves, in particular to a two-component diaphragm type on-off valve.
Background
The two-component switch valve is used for switching on and off glue of the two-component dispensing equipment, so that the performance of the two-component switch valve plays a key role in a final glue outlet link.
The type of glue used, the abrasiveness, the viscosity, the flow rate, the glue outlet precision, the tightness of the switch valve and the mixing proportion of the two-component glue are all factors to be considered for the two-component switch valve.
The existing two-component switch valve has poor performance when applied to abrasive glue; the glue type is less for the application with high viscosity and large flow; the glue outlet precision is not enough, and the phenomenon of glue leakage and glue dripping can occur due to the insufficient sealing property of the valve after the glue outlet is stopped; and the lack of a switching valve type suitable for a two-component diaphragm type structure with a large mixing ratio. In view of the above-mentioned problems, no effective solution has been proposed yet.
Disclosure of Invention
The application aims to: a two-component diaphragm type on-off valve is provided to solve the above problems existing in the prior art.
The technical scheme is as follows: a two-component diaphragm-type on-off valve comprising: a glue outlet base; the discharging hole is arranged at the bottom of the glue outlet base; the component A diaphragm type switch valve is arranged on the upper surface of the glue outlet base; the component B diaphragm type switch valve is arranged on the glue outlet base adjacent to the component A diaphragm type switch valve; the A-component diaphragm type switching valve gas path is arranged on the A-component diaphragm type switching valve; the B component diaphragm type switching valve gas path is arranged on the B component diaphragm type switching valve; the electromagnetic valve is electrically connected with the A component diaphragm type switching valve air passage and the B component diaphragm type switching valve air passage respectively; the solenoid valve sends out a control signal to respectively control the gas paths of the diaphragm type switch valve of the component A and the diaphragm type switch valve of the component B so that glue is mixed and discharged through the glue discharging base and the discharge hole in sequence according to a preset path.
Preferably, the membrane-type on-off valve air path of the component A and the membrane-type on-off valve air path of the component B comprise: a first cylinder; the second cylinder is connected with the bottom of the first cylinder; the diaphragm cavity is arranged at the bottom of the second cylinder;
the A-component diaphragm type switching valve and the B-component diaphragm type switching valve further comprise: the feeding cavity is connected with the bottom of the diaphragm cavity; the valve rod is arranged in the feeding cavity; the glue outlet base is arranged at the bottom of the feeding cavity;
the first cylinder, the second cylinder, the diaphragm cavity, the feeding cavity and the glue outlet base are sequentially arranged along a first direction, and the valve rod is driven by the first cylinder and the second cylinder to reciprocate in the diaphragm cavity and the feeding cavity.
Preferably, a first cylinder piston is arranged in the first cylinder, a second cylinder piston is arranged in the second cylinder, the second cylinder piston is propped against the first cylinder piston, a rotating part is arranged at the top of the first cylinder, the rotating part is connected with the top of the first cylinder piston, and a spring is sleeved on the second cylinder piston.
Preferably, a diaphragm is arranged in the diaphragm cavity at one side close to the second cylinder.
Preferably, the first cylinder, the second cylinder, the diaphragm cavity and the feeding cavity are connected through a plurality of connecting pieces.
Preferably, a valve rod base is arranged between the feeding cavity and the glue outlet base, the valve rod base is connected with the valve rod, a valve rod fixing ring is arranged at the bottom of the valve rod, and the valve rod fixing ring is located below the valve rod base.
Preferably, the side of the second cylinder is provided with a first air port, the side of the diaphragm cavity is provided with a second air port, the first air port and the second air port are arranged on the same side, and the first air port and the second air port act asynchronously through the electromagnetic valve.
Preferably, a plurality of fixing holes are formed in the side edge of the glue outlet base.
Preferably, a feed inlet is formed in one side of the feed cavity.
Preferably, a first inclined flow channel and a second inclined flow channel are oppositely arranged in the glue outlet base, and the first inclined flow channel and the second inclined flow channel are respectively positioned below the valve rod.
The beneficial effects are that: in the embodiment of the application, a mode of a double-component diaphragm type switch valve is adopted, a control signal is sent out by the electromagnetic valve to respectively control the gas path of the A-component diaphragm type switch valve and the gas path of the B-component diaphragm type switch valve to act, so that glue is sequentially mixed and discharged through the glue discharging base and the discharge port according to a preset path, the aim of improving the performance of the switch valve is achieved, the glue discharging precision is improved, the phenomena of glue leakage and glue dripping are avoided, the technical effect of mixing glue in a large proportion is achieved, and the problem that the existing double-component switch valve is poor in the performance of glue applied to abrasiveness is solved; the glue type is less for the application with high viscosity and large flow; the glue outlet precision is not enough, and the phenomenon of glue leakage and glue dripping can occur due to the insufficient sealing property of the valve after the glue outlet is stopped; and the technical problem of lack of a switching valve type suitable for a two-component diaphragm type structure with a large mixing proportion.
Drawings
FIG. 1 is an isometric schematic view of a two-component diaphragm-type on-off valve of the present application;
FIG. 2 is a further schematic axial side view of a two-component diaphragm-type on-off valve of the present application;
FIG. 3 is a left side view of the two-component diaphragm-type on-off valve of the present application;
FIG. 4 is a schematic E-E cross-sectional view of a two-component diaphragm-type switching valve of the present application;
FIG. 5 is an isometric view of a partially disassembled structure of a cylinder of the two-component diaphragm type switching valve of the present application;
FIG. 6 is an isometric view of a diaphragm and valve stem partial disassembly structure of a two-component diaphragm type switching valve of the present application.
The reference numerals are: 1. a rotating member; 2. a first air port; 3. a first cylinder; 4. a second cylinder; 5. a diaphragm chamber; 6. a feed chamber; 7. a feed inlet; 8. a glue outlet base; 9. a discharge port; 10. a fixing hole; 11. a first cylinder piston; 12. a second cylinder piston; 13. a spring; 14. a diaphragm; 15. a valve stem; 16. a valve stem base; 17. a valve stem securing ring; 18. a second air port; 19. a connecting piece; 20. a component diaphragm type on-off valve; 21. b component diaphragm type on-off valve; 22. a component diaphragm type switch valve gas circuit; 23. b component diaphragm type switch valve gas circuit; 24. a first diagonal flow path; 25. and a second inclined flow passage.
Detailed Description
In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1-6, the present application relates to a two-component diaphragm type on-off valve. The two-component diaphragm type switching valve includes: a glue outlet base 8; the glue outlet base 8 is a component with bottom fixing, supporting and glue outlet functions, and can achieve the effect of arranging a plurality of diaphragm type switch valves on the glue outlet base 8.
The discharging hole 9 is arranged at the bottom of the glue outlet base 8; good mixed discharging effect can be achieved, so that stable glue discharging effect is ensured.
The A component diaphragm type switch valve 20 is arranged on the upper surface of the glue outlet base 8; by mounting the a-component diaphragm type on-off valve 20 on the upper surface of the glue outlet base 8, a good assembly effect can be achieved.
A component B diaphragm type on-off valve 21, which is disposed adjacent to the component a diaphragm type on-off valve 20 on the glue outlet base 8; by mounting the B-component diaphragm type on-off valve 21 on the upper surface of the glue outlet base 8, a good assembly effect can be achieved; meanwhile, the switching valve can achieve good matching effect.
The A-component diaphragm type on-off valve gas path 22 is arranged on the A-component diaphragm type on-off valve 20; good pneumatic action effect can be realized.
The B component diaphragm type on-off valve gas path 23 is arranged on the B component diaphragm type on-off valve 21; good pneumatic action effect can be realized.
The electromagnetic valve is electrically connected with the A-component diaphragm type on-off valve air passage 22 and the B-component diaphragm type on-off valve air passage 23 respectively; solenoid valves are devices that use electromagnetic force to control the flow of a liquid or gas. It consists of a coil and a valve body. When current passes through the coil, the generated electromagnetic force can enable the valve body to be opened or closed, so that the on-off of a medium is controlled, a good electrical control effect can be achieved, and good action effects of other components are controlled.
The solenoid valve sends out a control signal to respectively control the action of the A component diaphragm type switch valve air passage 22 and the B component diaphragm type switch valve air passage 23, so that glue is mixed and discharged through the glue discharging base 8 and the discharge hole 9 in sequence according to a preset path. Good control effect can be realized to realize accurate mixed play and glue the effect.
From the above description, it can be seen that the following technical effects are achieved:
in the embodiment of the application, a mode of a double-component diaphragm type switch valve is adopted, a control signal is sent by the electromagnetic valve to respectively control the action of the A-component diaphragm type switch valve air passage 22 and the B-component diaphragm type switch valve air passage 23, so that glue is sequentially mixed and discharged through the glue discharging base 8 and the discharging hole 9 according to a preset path, the aim of improving the performance of the switch valve is achieved, the glue discharging precision is improved, the phenomena of glue leakage and glue dripping are avoided, the technical effect of large-proportion mixed glue discharging is achieved, and the problem that the existing double-component switch valve is poor in abrasive glue performance when applied to the existing double-component switch valve is solved; the glue type is less for the application with high viscosity and large flow; the glue outlet precision is not enough, and the phenomenon of glue leakage and glue dripping can occur due to the insufficient sealing property of the valve after the glue outlet is stopped; and the technical problem of lack of a switching valve type suitable for a two-component diaphragm type structure with a large mixing proportion.
Further, the diaphragm-type on-off valve air path 22 of the component a and the diaphragm-type on-off valve air path 23 of the component B each include: a first cylinder 3; the second cylinder 4 is connected with the bottom of the first cylinder 3; the diaphragm cavity 5 is arranged at the bottom of the second cylinder 4;
the a-component diaphragm type switching valve 20 and the B-component diaphragm type switching valve 21 further include: a feeding cavity 6 connected with the bottom of the diaphragm cavity 5; the valve rod is arranged in the feeding cavity 6; and the glue outlet base 8 is arranged at the bottom of the feeding cavity 6;
the first air cylinder 3, the second air cylinder 4, the diaphragm cavity 5, the feeding cavity 6 and the glue outlet base 8 are sequentially arranged along the first direction, and the valve rod is driven to reciprocate in the diaphragm cavity 5 and the feeding cavity 6 by the first air cylinder 3 and the second air cylinder 4.
Specifically, the first cylinder 3; the first air cylinder 3 is an upper air cylinder, and can achieve a good driving effect, so that the effect of driving other components to stably run is achieved.
The second cylinder 4 is connected with the bottom of the first cylinder 3; the second cylinder 4 is a lower cylinder, and the second cylinder 4 is fixedly arranged at the bottom of the first cylinder 3 by adopting a bolt or screw fixing mode, so that a good fixing effect can be realized; meanwhile, by using two cylinders for driving, the driving force effect can be improved, and therefore the normal operation effect of the switch valve is ensured. Further, a first cylinder piston 11 is arranged in the first cylinder 3, a second cylinder piston 12 is arranged in the second cylinder 4, the second cylinder 4 is arranged against the first cylinder piston 11, a rotating component 1 is arranged at the top of the first cylinder 3, the rotating component 1 is connected with the top of the first cylinder piston 11, and a spring 13 is sleeved on the second cylinder piston 12; by arranging the pistons in the cylinders, respectively, a good power transmission effect can be achieved. By arranging the rotating part 1 at the top of the first cylinder 3 and connecting the rotating part 1 with the top of the first cylinder piston 11, a good distance adjusting effect can be achieved, and thus the effect of controlling the suction force of glue back suction is achieved. Preferably, the rotating member 11 is a knob, and can achieve an effect of easy rotation. Of course, it is readily conceivable that to ensure a good sealing effect, a plurality of sealing members may be used in the open valve, including but not limited to: o-ring, sealing washer, piston seal. By arranging the spring 13 on the cylinder of the switching valve as an aid, the response speed of the switching valve in switching is greatly improved, and the precision of the switching valve is greatly improved. The auxiliary spring 13 is arranged on the cylinder of the switch valve, so that the running speed of the cylinder can be increased, the closing speed is further increased, the glue discharging precision can be improved, and the glue discharging precision can reach +/-1%.
The diaphragm cavity 5 is arranged at the bottom of the second cylinder 4; by employing a combination of materials including but not limited to: the mode of bolt connection can realize good connection effect of the diaphragm cavity 5 and the second cylinder 4; at the same time, by providing the diaphragm chamber 5, two media of different pressures can be isolated from each other, preventing them from interfering with or contaminating each other. The diaphragm chamber 5 may be, among other things, generally composed of two elastic films and one intermediate chamber. When the medium under high pressure enters the intermediate diaphragm chamber 5, the diaphragm will move to the low pressure side, pushing the medium on the low pressure side out of the diaphragm chamber 5. This structure allows mass transfer and isolation between two pressure environments.
A feeding cavity 6 connected with the bottom of the diaphragm cavity 5; good fixed connection effect can be realized, and good feeding effect can also be realized simultaneously.
The valve rod is arranged in the feeding cavity 6; good contact effect of the liquid can be achieved, thereby achieving good liquid control effect. Preferably, the valve rod base 16 is made of tungsten steel, a valve rod in contact with fluid in the switch valve is made of tungsten steel, and the valve rod base 16 has the characteristics of high hardness (the hardness can reach 89-95 HRA), wear resistance, heat resistance and corrosion resistance; the diaphragm contacted with the fluid is made of polyurethane, and the polyurethane has the characteristics of oil resistance, wear resistance, aging resistance, high hardness and elasticity; polyurethane and tungsten steel can improve the performance of the switching valve in conveying abrasion type and chemical corrosive fluid materials.
The glue outlet base 8 is arranged at the bottom of the feeding cavity 6; through adopting detachable mode, link to each other out gluey base 8 and feeding chamber 6 bottom, can realize good play gluey effect, simultaneously, can also select the play gluey base 8 of corresponding model according to actual glue use kind to realize the effect of nimble use.
The first air cylinder 3, the second air cylinder 4, the diaphragm cavity 5, the feeding cavity 6 and the glue outlet base 8 are sequentially arranged along a first direction, and the valve rod is driven to reciprocate in the diaphragm cavity 5 and the feeding cavity 6 by the first air cylinder 3 and the second air cylinder 4; the first air cylinder 3, the second air cylinder 4, the diaphragm cavity 5, the feeding cavity 6 and the glue outlet base 8 are sequentially arranged from top to bottom, and a plurality of components are connected through the connecting piece 19, so that the effect of forming the shape of the two-component diaphragm type switch valve can be realized; meanwhile, the valve rod is driven by the first air cylinder 3 and the second air cylinder 4 to reciprocate in the cavity, so that a stable glue outlet effect can be realized. The first direction refers to the Y-axis direction in a two-coordinate system, i.e. the vertical direction.
The application can solve the problems of insufficient glue leakage, poor glue dropping tightness, poor glue discharging precision, high application viscosity, less glue application working condition with large flow, suitable abrasion of the switch valve and poor fluid performance of chemical corrosiveness of the glue outlet after the glue is stopped.
Further, a diaphragm 14 is arranged in the diaphragm cavity 5 at one side close to the second cylinder 4; the dielectric isolation effect can be good.
Further, the first cylinder 3, the second cylinder 4, the diaphragm chamber 5 and the feeding chamber 6 are connected by a plurality of connecting pieces 19; an effect of easy assembly can be achieved. Preferably, the connecting piece 19 is a bolt, so that a good fastening and connecting effect can be realized; more preferably, the number of the connecting pieces 19 is four, so that the effect of sufficiently firmly connecting the components can be ensured.
Further, a valve rod base 16 is arranged between the feeding cavity 6 and the glue outlet base 8, the valve rod base 16 is connected with the valve rod 15, a valve rod fixing ring 17 is arranged at the bottom of the valve rod 15, and the valve rod fixing ring 17 is positioned below the valve rod base 16; a good mating effect with the valve stem 15 can be achieved; and at the same time, the effect of limiting the valve rod 15 can be achieved.
Further, a first air port 2 is arranged on the side of the first air cylinder 3, a second air port 18 is arranged on the side of the second air cylinder 4, the first air port 2 and the second air port 18 are arranged on the same side, and the first air port 2 and the second air port 18 act asynchronously through the electromagnetic valve; good air passage inlet and outlet effects can be achieved, and therefore good up-and-down movement effects of the piston are guaranteed. Preferably, the first air port 2 is a first air port inlet/outlet; the second air port 18 is a second air path inlet/outlet. Good air inlet or outlet effect can be realized, so that the effect of driving other parts to act is realized. By adopting an asynchronous action control mode, the effect of one gas inlet and one gas outlet can be ensured, so that the condition that the gas inlet and the gas outlet are the same is avoided, and the control effect is further influenced.
Furthermore, a plurality of fixing holes 10 are formed in the side edge of the glue outlet base 8; the integrated installation of the switch valve can be facilitated.
Further, a feed inlet 7 is formed in one side of the feed cavity 6; a good feeding effect can be achieved, thereby ensuring a stable feeding effect.
Further, a first inclined flow channel 24 and a second inclined flow channel 25 are relatively arranged in the glue outlet base 8, and the first inclined flow channel 24 and the second inclined flow channel 25 are respectively positioned below the valve rod; the effect of supplying glue circulation can be realized, and the effect of mixing glue in a large proportion can be realized simultaneously.
The working principle of the application is as follows:
the feeding unit conveys the fluid material to a fluid inlet of the switching valve;
when triggering the gluing signal: the solenoid valve controls the air passage of the A/B component diaphragm type switching valve 21, the first air passage 2 at the upper part is opened, the second air passage 18 at the lower part is closed, the first air cylinder piston 11 and the second air cylinder piston 12 in the switching valve move downwards simultaneously, the second air cylinder 4 piston is connected with the valve rod, the valve rod moves downwards, the valve rod fixing ring 17 is separated from the valve rod base 16, the fluid passage of the A/B component diaphragm type switching valve 21 is opened, the A/B component fluid flows into the glue outlet base 8 from the A/B component diaphragm type switching valve 21 respectively, the A/B component glue flows into the mixing pipe from the discharge hole 9 at the lower part of the glue outlet respectively, and glue is mixed in the mixing pipe;
when triggering the stop signal: the electromagnetic valve switches the air passage, the first air passage 2 at the upper part is closed, the second air passage 18 at the lower part is opened, the first air passage 11 and the second air passage 12 in the switch valve move upwards simultaneously, the second air cylinder 4 is connected with the valve rod, the valve rod moves upwards, the valve rod fixing ring 17 is attached to the valve rod base 16, the fluid passage of the A/B component diaphragm type switch valve 21 is closed, the valve rod moves upwards to have a back suction effect, and the glue of the glue outlet base 8 can be sucked upwards;
the knob on the switch valve can adjust the distance that the valve rod separated from the base, and the bigger the separation distance is, the bigger the back suction force is, and the better the back suction effect is.
The application also has the following beneficial effects:
1. the maximum working pressure of the switch valve can reach 200bar, the maximum flow can reach 20L/min, and the maximum fluid viscosity can reach 2,000,000cps;
2. the parts in the switch valve, which are in contact with the fluid, are made of corrosion-resistant and wear-resistant materials, and the abrasion and chemical corrosion performance of the switch valve can be improved by adopting a diaphragm type sealing mode;
3. the pressure resistance value of the switch valve is high, the glue outlet caliber of various specifications is selectable, and the working condition of glue with high viscosity and large flow can be applied;
4. the switch valve adopts a back suction function design, and can suck back glue when the switch valve is closed, so that the problems of glue leakage and glue dripping at a glue outlet after stopping glue can be effectively solved;
5. the switch valve has a plurality of glue outlet types, and applicable 1: 1-10: 1, the type of the mixing proportion of the A/B component glue is large in the mixing proportion range;
6. the switch valve adopts the cylinder upward movement to close the runner, and the cylinder downward movement opens the switch mode of runner, can make the switch valve have the back suction function, and the knob at switch valve top can adjust the strong and weak of back suction, and the back suction function can carry out the back suction to the glue in the play gluey mouth after the switch valve closes, can avoid the phenomenon of leaking glue, the glue dripping that appears after the switch valve closes.
The preferred embodiments of the present application have been described in detail above with reference to the accompanying drawings, but the present application is not limited to the specific details of the above embodiments, and various equivalent changes can be made to the technical solutions of the present application within the scope of the technical concept of the present application, and these equivalent changes all fall within the scope of the present application.
Claims (10)
1. The two-component diaphragm type on-off valve is characterized by comprising:
a glue outlet base;
the discharging hole is arranged at the bottom of the glue outlet base;
the component A diaphragm type switch valve is arranged on the upper surface of the glue outlet base;
the component B diaphragm type switch valve is arranged on the glue outlet base adjacent to the component A diaphragm type switch valve;
the A-component diaphragm type switching valve gas path is arranged on the A-component diaphragm type switching valve;
the B component diaphragm type switching valve gas path is arranged on the B component diaphragm type switching valve; a kind of electronic device with high-pressure air-conditioning system
The electromagnetic valve is electrically connected with the A-component diaphragm type switching valve air passage and the B-component diaphragm type switching valve air passage respectively;
the solenoid valve sends out a control signal to respectively control the gas paths of the diaphragm type switch valve of the component A and the diaphragm type switch valve of the component B so that glue is mixed and discharged through the glue discharging base and the discharge hole in sequence according to a preset path.
2. The two-component diaphragm type on-off valve of claim 1, wherein the a-component diaphragm type on-off valve air path and the B-component diaphragm type on-off valve air path each comprise: a first cylinder; the second cylinder is connected with the bottom of the first cylinder; the diaphragm cavity is arranged at the bottom of the second cylinder;
the A-component diaphragm type switching valve and the B-component diaphragm type switching valve further comprise: the feeding cavity is connected with the bottom of the diaphragm cavity; the valve rod is arranged in the feeding cavity; the glue outlet base is arranged at the bottom of the feeding cavity;
the first cylinder, the second cylinder, the diaphragm cavity, the feeding cavity and the glue outlet base are sequentially arranged along a first direction, and the valve rod is driven by the first cylinder and the second cylinder to reciprocate in the diaphragm cavity and the feeding cavity.
3. The two-component diaphragm type switching valve according to claim 2, wherein a first cylinder piston is arranged in the first cylinder, a second cylinder piston is arranged in the second cylinder, the second cylinder piston is arranged against the first cylinder piston, a rotating part is arranged at the top of the first cylinder, the rotating part is connected with the top of the first cylinder piston, and a spring is sleeved on the second cylinder piston.
4. The two-component diaphragm type on-off valve according to claim 2, wherein a diaphragm is arranged in the diaphragm cavity at a side close to the second cylinder.
5. The two-component diaphragm type switching valve of claim 2, wherein the first cylinder, the second cylinder, the diaphragm chamber and the feed chamber are connected by a plurality of connectors.
6. The two-component diaphragm type switching valve of claim 2, wherein a valve stem base is disposed between the feed chamber and the glue outlet base, the valve stem base is connected to the valve stem, a valve stem fixing ring is disposed at the bottom of the valve stem, and the valve stem fixing ring is disposed below the valve stem base.
7. The two-component diaphragm type switching valve of claim 2, wherein a first air port is arranged on the side edge of the second cylinder, a second air port is arranged on the side edge of the diaphragm cavity, the first air port and the second air port are arranged on the same side, and the first air port and the second air port act asynchronously through the electromagnetic valve.
8. The two-component diaphragm type switching valve of claim 1, wherein a plurality of fixing holes are formed on the side edge of the glue outlet base.
9. The two-component diaphragm type on-off valve of claim 2, wherein a feed port is provided on one side of the feed chamber.
10. The two-component diaphragm type switching valve of claim 2, wherein a first inclined flow passage and a second inclined flow passage are oppositely arranged in the glue outlet base, and the first inclined flow passage and the second inclined flow passage are respectively positioned below the valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310910330.3A CN116871132A (en) | 2023-07-24 | 2023-07-24 | Double-component diaphragm type switch valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310910330.3A CN116871132A (en) | 2023-07-24 | 2023-07-24 | Double-component diaphragm type switch valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116871132A true CN116871132A (en) | 2023-10-13 |
Family
ID=88269645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310910330.3A Withdrawn CN116871132A (en) | 2023-07-24 | 2023-07-24 | Double-component diaphragm type switch valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116871132A (en) |
-
2023
- 2023-07-24 CN CN202310910330.3A patent/CN116871132A/en not_active Withdrawn
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| PB01 | Publication | ||
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Application publication date: 20231013 |