CN221033391U - Cartridge valve device with double channels and adjustable piston movement stroke - Google Patents

Cartridge valve device with double channels and adjustable piston movement stroke Download PDF

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Publication number
CN221033391U
CN221033391U CN202322574432.0U CN202322574432U CN221033391U CN 221033391 U CN221033391 U CN 221033391U CN 202322574432 U CN202322574432 U CN 202322574432U CN 221033391 U CN221033391 U CN 221033391U
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China
Prior art keywords
piston
cavity
glue
valve
valve rod
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CN202322574432.0U
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Chinese (zh)
Inventor
陈璋勰
袁华雷
付登鹏
杨少飞
曹远哲
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Shanghai Fanuc Robotics Co Ltd
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Shanghai Fanuc Robotics Co Ltd
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Abstract

The utility model discloses a double-runner cartridge valve device capable of adjusting the movement stroke of a piston, which comprises a valve body, wherein at least two glue outlet mechanisms are arranged in the valve body; each glue discharging mechanism comprises: at least one valve rod assembly, locate at least one drive chamber in the valve body, at least one glue chamber and with glue inlet channel, the play of gluing the passageway that the chamber is linked together, valve rod assembly activity is located in the drive chamber, and stretch into glue the intracavity, through the change glue the volume in the intracavity, thereby change the play glues the volume of passageway exhaust. The utility model can realize the function of controlling the two kinds of colloid to be discharged simultaneously according to the proportion, and has compact structure and high integration degree.

Description

Cartridge valve device with double channels and adjustable piston movement stroke
Technical Field
The utility model relates to the technical field of liquid silica gel feeding systems, in particular to a cartridge valve device with double channels and adjustable piston movement stroke.
Background
The current mainstream application form is cartridge valve of single flow path, has simple structure, characteristics such as with low costs. However, under some conditions of controlling two fluids, the structure of the device becomes complex, the sealing performance is poor, the reliability is low, and when two kinds of colloid are needed, the colloid is needed to be measured respectively, the working efficiency is low, the measurement precision is not accurate enough, and the device cannot be applied to occasions with high AB glue proportioning precision requirements.
Therefore, it is necessary to design a dual-channel cartridge valve.
Disclosure of utility model
Aiming at the problems of the prior cartridge valve, the cartridge valve device with double flow channels and adjustable piston movement stroke can realize the function of controlling two types of colloid to be discharged at the same time in proportion, and has compact structure and high integration degree.
The specific technical scheme is as follows:
A dual-flow path, piston travel adjustable cartridge valve assembly comprising: the valve body is internally provided with at least two glue outlet mechanisms;
Each glue discharging mechanism comprises: at least one valve rod assembly, locate at least one drive chamber in the valve body, at least one glue chamber and with glue inlet channel, the play of gluing the passageway that the chamber is linked together, valve rod assembly activity is located in the drive chamber, and stretch into glue the intracavity, through the change glue the volume in the intracavity, thereby change the play glues the volume of passageway exhaust.
The cartridge valve device with the double flow channels and the adjustable piston movement stroke, wherein the glue outlet mechanism further comprises: the first air inlet and the second air inlet are arranged in the valve body, the first air inlet and the second air inlet are respectively communicated with the driving cavity, and the valve rod assembly is driven to move by inflating or exhausting the first air inlet and the second air inlet.
The cartridge valve device with the double flow passages and the adjustable piston movement stroke, wherein the valve rod assembly comprises: the piston is fixed to one end of the valve rod, the piston and one end of the valve rod are movably arranged in the driving cavity, the other end of the valve rod stretches into the rubber cavity, the piston is in sealing fit with the periphery of the driving cavity, and the first air inlet and the second air inlet are respectively located on two sides of the piston.
The glue outlet mechanism further comprises: the movable channel is arranged in the valve body, two ends of the movable channel are respectively communicated with the driving cavity and the rubber cavity, and the valve rod movably penetrates through the movable channel.
The cartridge valve device with the double flow channels and the adjustable piston movement stroke, wherein the glue outlet mechanism further comprises: the valve rod seat is positioned between the glue cavity and the glue outlet channel, and the valve rod seat is internally provided with a passageway which is respectively communicated with the glue cavity and the glue outlet channel.
The cartridge valve device with the double flow channels and the adjustable piston movement stroke, wherein the glue outlet mechanism further comprises: at least one regulation cavity and locate regulation piston and the regulation piston rod in the regulation cavity, the regulation cavity is located in the valve body, the regulation cavity with the drive chamber is linked together, the regulation piston with the sealed cooperation of regulation cavity, the regulation piston rod with the regulation piston can dismantle and be connected, just the regulation piston rod with the spacing cooperation of valve rod subassembly.
The cartridge valve device with the double flow channels and the adjustable piston movement stroke, wherein the glue outlet mechanism further comprises: at least one seal chamber and activity locate the general stopper seal seat in the seal chamber, the seal chamber is located in the valve body, and be located the week side of movable channel, the outside of general stopper seal seat with seal fit between the seal chamber, the inside of general stopper seal seat with seal fit between the valve rod.
The cartridge valve device with the double flow channels and the adjustable piston movement stroke, wherein the glue outlet mechanism further comprises: at least one direction chamber and locate the guide holder in the direction chamber, the direction chamber is located in the valve body, and be located the week side of movable channel, and with the drive chamber is linked together, the periphery of guide holder with seal fit between the inner wall in direction chamber, the valve rod runs through the guide holder, just the valve rod with seal fit between the guide holder.
The cartridge valve device with the double flow channels and the adjustable piston movement stroke comprises a piston seat, a main body and a mixed flow block which are sequentially connected, wherein the adjusting cavity and the driving cavity are arranged in the piston seat, the glue cavity is arranged in the main body, the glue outlet channel is arranged in the mixed flow block, the sealing cavity is arranged between the piston seat and the main body, and the mounting cavity is arranged between the main body and the mixed flow block.
The cartridge valve device with the double flow channels and the adjustable piston movement stroke comprises a valve body, wherein a switching block is arranged on the valve body, two third air inlets and two fourth air inlets are arranged on the switching block, the two third air inlets are respectively communicated with the two first air inlets, and the two fourth air inlets are respectively communicated with the two second air inlets.
Compared with the prior art, the technical scheme has the following positive effects:
The utility model can realize the function of controlling the two kinds of colloid to be discharged simultaneously according to the proportion, and has compact structure and high integration degree.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a dual-channel plug-in valve device with adjustable piston movement travel according to the present utility model;
FIG. 2 is a schematic diagram of a single side glue outlet mechanism in a valve body of a dual-channel plug-in valve device with adjustable piston movement stroke;
FIG. 3 is a schematic view of a guide seat of a dual-channel plug-in valve device with adjustable piston movement stroke;
FIG. 4 is a schematic diagram of the structure of a plug seal seat of a dual-channel plug valve device with adjustable piston movement stroke;
In the accompanying drawings: 1. a valve body; 2. a glue discharging mechanism; 3. a valve stem assembly; 11. a piston seat; 12. a main body; 13. a mixed flow block; 14. a transfer block; 21. a drive chamber; 22. a glue cavity; 23. a glue outlet channel; 24. a glue inlet channel; 25. a first air inlet; 26. a second air inlet; 27. a movable channel; 28. a third air inlet; 29. a fourth air inlet; 31. a valve stem; 32. a piston; 41. a mounting cavity; 42. a valve rod seat; 43. an aisle; 51. a regulating chamber; 52. an adjusting piston; 53. adjusting a piston rod; 61. sealing the cavity; 62. sealing the seat by using a plug; 71. a guide chamber; 72. a guide seat.
Detailed Description
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
As shown in fig. 1 to 4, there is shown a cartridge valve device with a dual flow passage for adjusting a movement stroke of a piston according to a preferred embodiment, comprising: the valve body 1, have at least two rubberizing mechanisms 2 in the valve body 1.
Further, as a preferred embodiment, each of the glue discharging mechanisms 2 includes: at least one valve stem assembly 3, at least one drive chamber 21, at least one glue chamber 22 provided within the valve body 1.
Each glue discharging mechanism 2 further comprises: the valve rod assembly 3 is movably arranged in the driving cavity 21 and extends into the glue cavity 22, and the glue outlet amount discharged by the glue outlet channel 23 is changed by changing the volume in the glue cavity 22.
Preferably, the glue inlet channel 24 extends to the outside of the valve body 1.
Further, as a preferred embodiment, the glue discharging mechanism 2 further includes: the first air inlet 25 and the second air inlet 26 are arranged in the valve body 1, the first air inlet 25 and the second air inlet 26 are respectively communicated with the driving cavity 21, and the valve rod assembly 3 is driven to move by inflating or deflating the first air inlet 25 and the second air inlet 26.
Further, as a preferred embodiment, the valve stem assembly 3 includes: the valve rod 31 and the piston 32, the piston 32 is fixed in the one end of valve rod 31, and the one end activity of piston 32 and valve rod 31 is located in the drive chamber 21, and the other end of valve rod 31 stretches into gluey chamber 22, and piston 32 and the week side sealing fit of drive chamber 21, and first air inlet 25 and second air inlet 26 are located the both sides of piston 32 respectively.
The foregoing is merely a preferred embodiment of the present utility model, and is not intended to limit the embodiments and the protection scope of the present utility model.
The present utility model has the following embodiments based on the above description:
In a further embodiment of the present utility model, please continue to refer to fig. 1 to 4, the glue mechanism 2 further comprises: at least one movable channel 27, the movable channel 27 is arranged in the valve body 1, two ends of the movable channel 27 are respectively communicated with the driving cavity 21 and the glue cavity 22, and the valve rod 31 movably penetrates through the movable channel 27.
In a further embodiment of the present utility model, the glue discharging mechanism 2 further includes: at least one installation cavity 41 and a valve rod seat 42 arranged in the installation cavity 41, wherein the installation cavity 41 is arranged in the valve body 1, the valve rod seat 42 is positioned between the glue cavity 22 and the glue outlet channel 23, a passageway 43 is arranged in the valve rod seat 42, and the passageway 43 is respectively communicated with the glue cavity 22 and the glue outlet channel 23.
In a further embodiment of the present utility model, the glue discharging mechanism 2 further includes: at least one adjusting cavity 51, an adjusting piston 52 and an adjusting piston rod 53 which are arranged in the adjusting cavity 51, the adjusting cavity 51 is arranged in the valve body 1, the adjusting cavity 51 is communicated with the driving cavity 21, the adjusting piston 52 is in sealing fit with the adjusting cavity 51, the adjusting piston rod 53 is detachably connected with the adjusting piston 52, and the adjusting piston rod 53 is in limiting fit with the valve rod assembly 3.
In a further embodiment of the present utility model, the glue discharging mechanism 2 further includes: at least one seal cavity 61 and the wide plug seal seat 62 of movable setting in seal cavity 61, seal cavity 61 locates in the valve body 1, and is located the week side of movable channel 27, and the sealed cooperation between the outside of wide plug seal seat 62 and seal cavity 61, the sealed cooperation between the inboard of wide plug seal seat 62 and valve rod 31.
Preferably, the plug seal 62 is movably disposed in the seal cavity 61 along the length of the valve stem 31.
In a further embodiment of the present utility model, the glue discharging mechanism 2 further includes: at least one guide cavity 71 and locate the guide holder 72 in the guide cavity 71, the guide cavity 71 is located in the valve body 1, and is located the week side of movable passageway 27 to be linked together with the drive chamber 21, sealing fit between the inner wall of guide cavity 71 and the periphery of guide holder 72, valve rod 31 runs through guide holder 72, and sealing fit between valve rod 31 and the guide holder 72.
In a further embodiment of the present utility model, the valve body 1 includes a piston seat 11, a main body 12 and a mixing block 13 connected in sequence, the adjusting chamber 51 and the driving chamber 21 are disposed in the piston seat 11, the glue chamber 22 is disposed in the main body 12, the glue outlet channel 23 is disposed in the mixing block 13, the sealing chamber 61 is disposed between the piston seat 11 and the main body 12, and the mounting chamber 41 is disposed between the main body 12 and the mixing block 13.
In a further embodiment of the utility model, the valve body 1 is provided with a switching block 14, and the switching block 14 is provided with two third air inlets 28 and two fourth air inlets 29, wherein the two third air inlets 28 are respectively communicated with the two first air inlets 25, and the two fourth air inlets 29 are respectively communicated with the two second air inlets 26.
Preferably, the adjusting piston 52 is fixed to the piston seat 11 by a circlip, and seals the inside of the driving chamber 21 by an O-ring, maintaining the air pressure in the driving chamber 21.
Preferably, the adjustment piston rod 53 is linked to the adjustment piston 52 by fine threads, which may be in direct contact with the piston 32. By screwing the adjusting piston rod 53, the movement stroke of the piston 32 and the valve rod 31 can be limited, thereby controlling the glue flow rate of the glue outlet channel 23.
Preferably, the piston 32 is inflated or deflated from the outside through the first air inlet 25 and the second air inlet 26 into the driving cavity 21, so as to form a pressure difference on both sides of the piston 32, and the piston 32 is pushed to move in a required direction. The piston 32 is connected with the valve rod 31 through a threaded link, and the distance between the valve rod 31 and the valve rod seat 42 can be controlled through the movement of the piston 32, so that the colloid flow of the glue outlet channel 23 can be controlled.
In a preferred state of the alternative embodiment, the ratio of the cross-sectional area of the piston 32 to the valve rod 31 can be calculated by the diameters of the valve rod 31 and the piston 32 which are fixed, and the fluid pressure value when the valve rod 31 is descending can be known from the pressure of the gas introduced into the piston 32. The function of accurately controlling the glue outlet quantity of the glue outlet channel 23 by adjusting the air inlet pressure is realized.
Preferably, the guide seat 72 is fixed on the piston seat 11 through screw connection, guides the movement direction of the valve rod 31, and cooperates with an O-ring to seal the interior of the cavity of the piston seat 11.
Preferably, the plug seal seat 62 is composed of two O-rings and two plug seals, so as to avoid leakage of the valve rod 31 during reciprocating motion. Compared with the traditional sealing mode, the combined sealing mode can avoid the leakage of colloid in the cavity and isolate external air. Meanwhile, the combined sealing mode has longer service life than the traditional single-channel sealing mode.
Preferably, the valve rod 31 is made of tungsten carbide, and has high surface hardness and good wear resistance. The valve rod surface is processed in a finish machining mode, the surface roughness is low, the valve rod surface is prevented from being scratched by the sealing assembly in the moving process of the valve rod, the sealing performance of the valve body is affected, and the service life of the valve body is prolonged. The middle section of the valve rod is provided with an annular scale, and the scale can be observed through the groove on the piston seat, so that the size of the gap between the valve rod and the valve rod seat can be judged.
Preferably, the valve stem seat 42 is a hard seal, and the size of the gap between the valve stem 31 and the valve stem seat 42 controls the flow of glue out of the glue outlet channel 23. When the first air inlet 25 of the piston seat 11 is filled with a sufficient amount of air, the piston 32 tightly presses the valve rod 31 on the surface of the valve rod seat 42, and the valve rod 31 and the valve rod seat 42 realize the sealing inside the valve body through line contact, so that the leakage of colloid inside the valve body 1 is avoided.
According to the feeding requirement of liquid silica gel, AB glue is respectively injected from two glue inlets of the valve body, the high-frequency electromagnetic valve controls the two pistons 32 to reciprocate simultaneously by simultaneously controlling the air on and off of the first air inlet 25 and the second air inlet 26 at two sides of the valve body, and the gap between the valve rod 31 and the valve rod seat 42 is adjusted, so that the AB glue with the required proportion is discharged from the two glue outlet channels.
The movement stroke of the piston 32 can be changed by screwing the adjusting piston rod 53, and the gap between the valve rod 31 and the valve rod seat 42 is changed as the piston 32 is connected with the valve rod 31, so that the colloid flow rate of the colloid outlet channel 23 is adjusted when the valve body 1 is opened.
According to the utility model, by using the two glue discharging mechanisms 2, the glue discharging amount of AB glue can be accurately controlled, and meanwhile, the operation is simpler, the structure is more compact, and the integration degree is high.
The utility model has good sealing effect and longer overall service life of the device.
The present utility model controls the glue flow rate of the glue outlet channel 23 by adjusting the movement stroke of the inner piston 32 using the adjusting piston rod 53.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims (9)

1. A dual-flow path, piston travel adjustable cartridge valve assembly comprising: the valve body is internally provided with at least two glue outlet mechanisms;
Each glue discharging mechanism comprises: the valve rod assembly is movably arranged in the driving cavity and extends into the rubber cavity, and the volume in the rubber cavity is changed, so that the rubber outlet amount discharged by the rubber outlet channel is changed;
The glue outlet mechanism further comprises: at least one regulation cavity and locate regulation piston and the regulation piston rod in the regulation cavity, the regulation cavity is located in the valve body, the regulation cavity with the drive chamber is linked together, the regulation piston with the sealed cooperation of regulation cavity, the regulation piston rod with the regulation piston can dismantle and be connected, just the regulation piston rod with the spacing cooperation of valve rod subassembly.
2. The dual flow path adjustable piston travel cartridge valve apparatus of claim 1 wherein said glue dispensing mechanism further comprises: the first air inlet and the second air inlet are arranged in the valve body, the first air inlet and the second air inlet are respectively communicated with the driving cavity, and the valve rod assembly is driven to move by inflating or exhausting the first air inlet and the second air inlet.
3. The dual-channel adjustable piston travel cartridge valve device of claim 2, wherein the valve stem assembly comprises: the piston is fixed to one end of the valve rod, the piston and one end of the valve rod are movably arranged in the driving cavity, the other end of the valve rod stretches into the rubber cavity, the piston is in sealing fit with the periphery of the driving cavity, and the first air inlet and the second air inlet are respectively located on two sides of the piston.
4. The dual flow path adjustable piston travel cartridge valve apparatus of claim 3 wherein said glue dispensing mechanism further comprises: the movable channel is arranged in the valve body, two ends of the movable channel are respectively communicated with the driving cavity and the rubber cavity, and the valve rod movably penetrates through the movable channel.
5. The dual flow path adjustable piston travel cartridge valve apparatus of claim 4 wherein said glue dispensing mechanism further comprises: the valve rod seat is positioned between the glue cavity and the glue outlet channel, and the valve rod seat is internally provided with a passageway which is respectively communicated with the glue cavity and the glue outlet channel.
6. The dual flow path adjustable piston travel cartridge valve apparatus of claim 5 wherein said glue dispensing mechanism further comprises: at least one seal chamber and activity locate the general stopper seal seat in the seal chamber, the seal chamber is located in the valve body, and be located the week side of movable channel, the outside of general stopper seal seat with seal fit between the seal chamber, the inside of general stopper seal seat with seal fit between the valve rod.
7. The dual-channel adjustable piston travel cartridge valve apparatus of claim 6 wherein said glue dispensing mechanism further comprises: at least one direction chamber and locate the guide holder in the direction chamber, the direction chamber is located in the valve body, and be located the week side of movable channel, and with the drive chamber is linked together, the periphery of guide holder with seal fit between the inner wall in direction chamber, the valve rod runs through the guide holder, just the valve rod with seal fit between the guide holder.
8. The dual-flow-passage plug-in valve device capable of adjusting the movement stroke of a piston according to claim 7, wherein the valve body comprises a piston seat, a main body and a mixed flow block which are sequentially connected, the adjusting cavity and the driving cavity are arranged in the piston seat, the glue cavity is arranged in the main body, the glue outlet passage is arranged in the mixed flow block, the sealing cavity is arranged between the piston seat and the main body, and the mounting cavity is arranged between the main body and the mixed flow block.
9. The cartridge valve device with the double-flow passage capable of adjusting the movement stroke of the piston according to claim 2, wherein a switching block is arranged on the valve body, two third air inlets and two fourth air inlets are arranged on the switching block, the two third air inlets are respectively communicated with the two first air inlets, and the two fourth air inlets are respectively communicated with the two second air inlets.
CN202322574432.0U 2023-09-21 2023-09-21 Cartridge valve device with double channels and adjustable piston movement stroke Active CN221033391U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322574432.0U CN221033391U (en) 2023-09-21 2023-09-21 Cartridge valve device with double channels and adjustable piston movement stroke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322574432.0U CN221033391U (en) 2023-09-21 2023-09-21 Cartridge valve device with double channels and adjustable piston movement stroke

Publications (1)

Publication Number Publication Date
CN221033391U true CN221033391U (en) 2024-05-28

Family

ID=91131296

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322574432.0U Active CN221033391U (en) 2023-09-21 2023-09-21 Cartridge valve device with double channels and adjustable piston movement stroke

Country Status (1)

Country Link
CN (1) CN221033391U (en)

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