CN213825644U - High-precision dispensing valve - Google Patents
High-precision dispensing valve Download PDFInfo
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- CN213825644U CN213825644U CN202022698672.8U CN202022698672U CN213825644U CN 213825644 U CN213825644 U CN 213825644U CN 202022698672 U CN202022698672 U CN 202022698672U CN 213825644 U CN213825644 U CN 213825644U
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- valve body
- nozzle
- firing pin
- valve
- convex strip
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Abstract
The utility model discloses a high-precision dispensing valve, which comprises a valve body with a containing cavity, a pressure rod, a swinging rod, a firing pin and a glue feeding mechanism, wherein the lower surface of the left end of the swinging rod is provided with a second groove for embedding a lower raised line; the lower surface of depression bar has a first arc recess near its left end one side, piezoceramics stack cylinder is located between depression bar, the swinging arms and is close to left end one side, connects through the second ball that is located the first arc recess of depression bar and the second arc recess of piezoceramics stack cylinder between this piezoceramics stack cylinder up end and the depression bar. The utility model discloses make the clearance between firing pin and the nozzle remain unanimous throughout, and then improve the precision and the uniformity of gluing.
Description
Technical Field
The utility model relates to a glue the equipment field, especially relate to a high accuracy dispensing valve.
Background
The dispensing system is a process device widely applied to the product production field, and the application range of the dispensing system covers the processes of bonding, filling, coating, sealing, filling, dropping, scribing, gluing and the like of products. The dispensing valve is a core component of the dispensing system, and has decisive influence on the flow rate, flow velocity, appearance and the like of glue application. According to different dispensing principles, dispensing valves can be roughly divided into contact type and non-contact type.
The contact type dispensing valve mainly pushes fluid to perform dispensing operation through various needle heads with different apertures through certain gas pressure, the size of the dispensing amount depends on the size of air pressure and the apertures of the needle heads, and the displacement in the direction perpendicular to the working platform needs to be repeatedly corrected. The non-contact dispensing valve enables the glue to be subjected to high pressure in a certain mode, the glue is sprayed onto the substrate at a certain speed after enough kinetic energy is obtained, and the needle head does not have displacement in the direction vertical to the working platform in the glue spraying process, so that high-speed and controllable-capacity dispensing of various fluids and adhesives can be realized.
The injection valve belongs to a non-contact dispensing valve, and generally controls a cylinder in the high-speed injection valve through a high-speed solenoid valve so that a firing pin ejects fluid from a nozzle under the action of a spring, thereby completing a dispensing operation. In the prior art, on one hand, a firing pin at the lower end of the air cylinder is long in stroke, easy to deform during high-speed up-and-down motion, poor in stability, low in verticality, capable of influencing the injection effect, convenient to use, weak in power of the air cylinder, incapable of meeting the working environment at high frequency and low in injection efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high accuracy dispensing valve, this high accuracy dispensing valve make the clearance between firing pin and the nozzle remain unanimous throughout, and then improve the precision and the uniformity of gluing.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a high-precision dispensing valve comprises a valve body with an accommodating cavity, a pressure lever, a swinging lever, a firing pin and a glue feeding mechanism, wherein the glue feeding mechanism is arranged on the lower end face of the valve body;
the rotary adjusting component is mounted at the upper part of the valve body, a hanging rack is arranged in the accommodating cavity of the valve body, a first groove and a lower convex strip are respectively arranged on the upper surface and the lower surface of the accommodating cavity of the valve body, an upper convex strip is arranged on the upper surface of the left end of the compression bar, and a first spring is arranged between the lower surface of the right end of the compression bar and the hanging rack;
the lower end of the rotary adjusting assembly is in contact with the upper surface of the right end of the pressing rod, and when the lower end of the rotary adjusting assembly moves up and down, the upper convex strip of the pressing rod can rotate around the first groove in the accommodating cavity;
the lower surface of the left end of the swinging rod is provided with a second groove for the lower convex strip to be embedded in, a supporting spring is arranged between the lower surface of the middle part of the swinging rod and the bottom of the accommodating cavity, one side of the upper surface of the swinging rod, which is close to the left end of the swinging rod, is provided with a positioning convex strip, and the lower surface of the right end of the swinging rod is connected with the firing pin;
the lower surface of the pressure rod is provided with a first arc-shaped groove close to the left end of the pressure rod, the piezoelectric ceramic stack column is positioned between the pressure rod and the oscillating rod and close to one side of the left end, the upper end surface of the piezoelectric ceramic stack column is connected with the pressure rod through a second ball positioned in the first arc-shaped groove of the pressure rod and a second arc-shaped groove of the piezoelectric ceramic stack column, and the groove on the lower end surface of the piezoelectric ceramic stack column is used for embedding and rotatably connecting a positioning convex strip of the oscillating rod;
a guide blocking body is arranged in an opening at the lower end of the valve body, the firing pin is embedded into a through hole of the guide blocking body and extends into the glue storage cavity of the glue feeding mechanism, the lower end of the firing pin corresponds to the impact surface of the nozzle, and a second spring is arranged between the upper end surface of the firing pin and the guide blocking body;
the glue inlet mechanism comprises a glue storage cavity in the valve body and a glue inlet pipeline communicated with the glue storage cavity, the glue storage cavity mainly comprises a nozzle nut arranged at the opening of the valve body and a nozzle arranged on the lower end face of the nozzle nut, and the nozzle nut and the nozzle are arranged in a locking nut connected with the valve body.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, the inner wall of the locking nut is detachably connected with the valve body through threads.
2. In the above scheme, the lower end of the striker is embedded into the through hole of the nozzle nut.
3. In the above scheme, a sealing ring is arranged between the outer side wall of the nozzle nut and the valve body.
4. In the above scheme, the cross-sectional shape of the first arc-shaped groove is semicircular.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model discloses high accuracy dispensing valve, it is through the linkage setting of adjusting the structure between subassembly and depression bar, the swinging arms soon, can realize the accurate adjustment to the firing pin position and do not rely on people's experience to make the clearance between firing pin and the nozzle remain unanimous all the time, and then improve the precision and the uniformity of point gluing; further, store up gluey chamber and mainly constitute by installing in the nozzle nut of valve body opening part and the nozzle that is located terminal surface under the nozzle nut, nozzle nut and nozzle are located one with valve body coupling's lock nut, through nozzle nut, lock nut and the valve body between be connected the setting, under the condition of realizing that the clearance is adjustable between firing pin and the nozzle, further realized the stable installation to the nozzle, avoid the nozzle to take place to shake the skew at the high frequency striking in-process to improve the life and the point of nozzle and firing pin and glue the precision and satisfy different point and glue demands.
2. The utility model discloses high accuracy dispensing valve, its piezoceramics stack cylinder is located between depression bar, swinging arms and is close to left end one side, the recess of piezoceramics stack cylinder lower extreme face supplies the location sand grip embedding of swinging arms and rotatably connects, and through the power on and power off of piezoceramics stack cylinder, the drive firing pin strikes the nozzle repeatedly, pushes out the colloid in the glue storage chamber, realizes quick, high accuracy point and glues; furthermore, the second ball that passes through the first arc recess that is located the depression bar and the second arc recess of piezoceramics stack cylinder between this piezoceramics stack cylinder up end and the depression bar is connected for it has the stable movement track of high straightness that hangs down, thereby promotes injection efficiency and stability and life by a wide margin.
Drawings
FIG. 1 is a schematic structural view of the high-precision dispensing valve of the present invention;
FIG. 2 is a schematic diagram of a longitudinal section structure of the high-precision dispensing valve of the present invention;
fig. 3 is the utility model discloses local section structure sketch map one of high accuracy dispensing valve.
FIG. 4 is a schematic diagram of a partial sectional structure of the high-precision dispensing valve of the present invention;
fig. 5 is the schematic diagram of the local section structure of the high-precision dispensing valve of the present invention.
In the above drawings: 1. an accommodating cavity; 2. a valve body; 3. a pressure lever; 301. a first arc-shaped groove; 4. a swing lever; 402. positioning the convex strip; 5. a striker; 6. a glue feeding mechanism; 601. a glue storage cavity; 602. a glue inlet pipeline; 7. a piezoelectric ceramic stack column; 701. a groove; 702. a second arc-shaped groove; 8. a rotary adjusting component; 9. a hanger; 10. a first groove; 11. a lower convex strip; 12. upward convex strips; 13. a first spring; 14. a second groove; 15. a support spring; 16. a guiding plug body; 161. a through hole; 17. a nozzle; 171. an impact surface; 18. a second spring; 19. a nozzle nut; 20. a lock nut; 23. a seal ring; 24. a second round ball.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.
Example 1: a high-precision dispensing valve comprises a valve body 2 with an accommodating cavity 1, a pressure lever 3, a swinging lever 4, a firing pin 5 and a glue feeding mechanism 6, wherein the glue feeding mechanism 6 is arranged on the lower end face of the valve body 2, and a piezoelectric ceramic stack column 7 is arranged in the accommodating cavity 1 of the valve body 2;
a rotary adjusting assembly 8 is mounted at the upper part of the valve body 2, a hanging frame 9 is arranged in the accommodating cavity 1 of the valve body 2, a first groove 10 and a lower convex strip 11 are respectively arranged on the upper surface and the lower surface of the accommodating cavity 1 of the valve body 2, an upper convex strip 12 is arranged on the upper surface of the left end of the pressure lever 3, and a first spring 13 is arranged between the lower surface of the right end of the pressure lever 3 and the hanging frame 9;
the lower end of the rotary adjusting component 8 is in contact with the upper surface of the right end of the pressure lever 3, and when the lower end of the rotary adjusting component 8 moves up and down, the upper convex strip 12 of the pressure lever 3 can rotate around the first groove 10 on the accommodating cavity 1;
the lower surface of the left end of the swing rod 4 is provided with a second groove 14 for the lower convex strip 11 to be embedded in, a supporting spring 15 is arranged between the lower surface of the middle part of the swing rod 4 and the bottom of the accommodating cavity 1, one side of the upper surface of the swing rod 4 close to the left end thereof is provided with a positioning convex strip 402, and the lower surface of the right end of the swing rod 4 is connected with the firing pin 5;
a first arc-shaped groove 301 is formed in one side, close to the left end, of the lower surface of the pressing rod 3, the piezoelectric ceramic stack column 7 is located between the pressing rod 3 and the oscillating rod 4 and close to one side of the left end, the upper end face of the piezoelectric ceramic stack column 7 is connected with the pressing rod 3 through a second ball 24 located in the first arc-shaped groove 301 of the pressing rod 3 and a second arc-shaped groove 702 of the piezoelectric ceramic stack column 7, and a groove 701 in the lower end face of the piezoelectric ceramic stack column 7 is used for a positioning convex strip 402 of the oscillating rod 4 to be embedded and rotatably connected;
a guide blocking body 16 is installed in the opening at the lower end of the valve body 2, the firing pin 5 is embedded into the through hole 161 of the guide blocking body 16, the firing pin 5 extends into the glue storage cavity 601 of the glue feeding mechanism 6, the lower end of the firing pin 5 corresponds to the impact surface 171 of the nozzle 17, and a second spring 18 is arranged between the upper end surface of the firing pin 5 and the guide blocking body 16;
advance gluey mechanism 6 including be located valve body 2 in store up gluey chamber 601 and with store up gluey chamber 601 intercommunication advance gluey pipeline 602, store up gluey chamber 601 mainly by install in the nozzle nut 19 of valve body 2 opening part and be located nozzle 17 of terminal surface under the nozzle nut 19 and constitute, nozzle nut 19 and nozzle 17 are located one and are connected with valve body 2 in the lock nut 20.
The inner wall of the lock nut 20 is detachably connected with the valve body 2 through threads; the lower end of the striker 5 is fitted into a through hole of the nozzle nut 19.
Example 2: a high-precision dispensing valve comprises a valve body 2 with an accommodating cavity 1, a pressure lever 3, a swinging lever 4, a firing pin 5 and a glue feeding mechanism 6, wherein the glue feeding mechanism 6 is arranged on the lower end face of the valve body 2, and a piezoelectric ceramic stack column 7 is arranged in the accommodating cavity 1 of the valve body 2;
a rotary adjusting assembly 8 is mounted at the upper part of the valve body 2, a hanging frame 9 is arranged in the accommodating cavity 1 of the valve body 2, a first groove 10 and a lower convex strip 11 are respectively arranged on the upper surface and the lower surface of the accommodating cavity 1 of the valve body 2, an upper convex strip 12 is arranged on the upper surface of the left end of the pressure lever 3, and a first spring 13 is arranged between the lower surface of the right end of the pressure lever 3 and the hanging frame 9;
the lower end of the rotary adjusting component 8 is in contact with the upper surface of the right end of the pressure lever 3, and when the lower end of the rotary adjusting component 8 moves up and down, the upper convex strip 12 of the pressure lever 3 can rotate around the first groove 10 on the accommodating cavity 1;
the lower surface of the left end of the swing rod 4 is provided with a second groove 14 for the lower convex strip 11 to be embedded in, a supporting spring 15 is arranged between the lower surface of the middle part of the swing rod 4 and the bottom of the accommodating cavity 1, one side of the upper surface of the swing rod 4 close to the left end thereof is provided with a positioning convex strip 402, and the lower surface of the right end of the swing rod 4 is connected with the firing pin 5;
a first arc-shaped groove 301 is formed in one side, close to the left end, of the lower surface of the pressing rod 3, the piezoelectric ceramic stack column 7 is located between the pressing rod 3 and the oscillating rod 4 and close to one side of the left end, the upper end face of the piezoelectric ceramic stack column 7 is connected with the pressing rod 3 through a second ball 24 located in the first arc-shaped groove 301 of the pressing rod 3 and a second arc-shaped groove 702 of the piezoelectric ceramic stack column 7, and a groove 701 in the lower end face of the piezoelectric ceramic stack column 7 is used for a positioning convex strip 402 of the oscillating rod 4 to be embedded and rotatably connected;
a guide blocking body 16 is installed in the opening at the lower end of the valve body 2, the firing pin 5 is embedded into the through hole 161 of the guide blocking body 16, the firing pin 5 extends into the glue storage cavity 601 of the glue feeding mechanism 6, the lower end of the firing pin 5 corresponds to the impact surface 171 of the nozzle 17, and a second spring 18 is arranged between the upper end surface of the firing pin 5 and the guide blocking body 16;
advance gluey mechanism 6 including be located valve body 2 in store up gluey chamber 601 and with store up gluey chamber 601 intercommunication advance gluey pipeline 602, store up gluey chamber 601 mainly by install in the nozzle nut 19 of valve body 2 opening part and be located nozzle 17 of terminal surface under the nozzle nut 19 and constitute, nozzle nut 19 and nozzle 17 are located one and are connected with valve body 2 in the lock nut 20.
A sealing ring 23 is arranged between the outer side wall of the nozzle nut 19 and the valve body 2; the first arc-shaped groove 301 has a semicircular cross-sectional shape.
Through the linkage arrangement of the structures among the rotary adjusting assembly, the pressure rod and the swinging rod, the precise adjustment of the position of the striker can be realized without depending on the experience of people, so that the gap between the striker and the nozzle is always kept consistent, and the precision and consistency of dispensing are improved;
furthermore, by the connection arrangement of the nozzle nut and the lock nut with the valve body, under the condition that the gap between the firing pin and the nozzle is adjustable, the stable installation of the nozzle is further realized, and the nozzle is prevented from shaking and deviating in the high-frequency impact process, so that the service life of the nozzle and the firing pin is prolonged, the dispensing precision is improved, and different dispensing requirements are met;
in addition, the firing pin is driven to repeatedly impact the nozzle by power on and power off of the piezoelectric ceramic stack cylinder, so that the colloid in the colloid storage cavity is pushed out, and quick and high-precision dispensing is realized; furthermore, the pulse voltage of the piezoelectric ceramic stack cylinder can accurately adjust the speed of the firing pin, so that the stroke of the firing pin is accurate and controllable, the dispensing precision and the spraying efficiency are further improved, and the service life is prolonged.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. The utility model provides a high accuracy point gum valve which characterized in that: the valve comprises a valve body (2) with an accommodating cavity (1), a pressure lever (3), a swinging lever (4), a firing pin (5) and a glue feeding mechanism (6), wherein the glue feeding mechanism (6) is arranged on the lower end face of the valve body (2), and a piezoelectric ceramic stack column (7) is arranged in the accommodating cavity (1) of the valve body (2);
a rotary adjusting assembly (8) is mounted at the upper part of the valve body (2), a hanging rack (9) is arranged in the accommodating cavity (1) of the valve body (2), a first groove (10) and a lower convex strip (11) are respectively arranged on the upper surface and the lower surface of the accommodating cavity (1) of the valve body (2), an upper convex strip (12) is arranged on the upper surface of the left end of the pressure lever (3), and a first spring (13) is arranged between the lower surface of the right end of the pressure lever (3) and the hanging rack (9);
the lower end of the rotary adjusting component (8) is in contact with the upper surface of the right end of the pressing rod (3), and when the lower end of the rotary adjusting component (8) moves up and down, an upper convex strip (12) of the pressing rod (3) can rotate around a first groove (10) in the accommodating cavity (1);
the lower surface of the left end of the swing rod (4) is provided with a second groove (14) for the lower convex strip (11) to be embedded in, a supporting spring (15) is arranged between the lower surface of the middle part of the swing rod (4) and the bottom of the accommodating cavity (1), one side, close to the left end, of the upper surface of the swing rod (4) is provided with a positioning convex strip (402), and the lower surface of the right end of the swing rod (4) is connected with the firing pin (5);
one side, close to the left end, of the lower surface of the pressure lever (3) is provided with a first arc-shaped groove (301), the piezoelectric ceramic stack cylinder (7) is positioned between the pressure lever (3) and the oscillating lever (4) and is close to one side of the left end, the upper end surface of the piezoelectric ceramic stack cylinder (7) is connected with the pressure lever (3) through a first arc-shaped groove (301) positioned in the pressure lever (3) and a second ball (24) of a second arc-shaped groove (702) of the piezoelectric ceramic stack cylinder (7), and a groove (701) on the lower end surface of the piezoelectric ceramic stack cylinder (7) is used for a positioning convex strip (402) of the oscillating lever (4) to be embedded and rotatably connected;
a guide blocking body (16) is arranged in an opening at the lower end of the valve body (2), the firing pin (5) is embedded into a through hole (161) of the guide blocking body (16), the firing pin (5) extends into the glue storage cavity (601) of the glue feeding mechanism (6), the lower end of the firing pin (5) corresponds to an impact surface (171) of the nozzle (17), and a second spring (18) is arranged between the upper end surface of the firing pin (5) and the guide blocking body (16);
advance gluey mechanism (6) including be located valve body (2) interior storage glue chamber (601) and with store up gluey pipeline (602) of advancing of gluey chamber (601) intercommunication, store up gluey chamber (601) mainly by install in nozzle nut (19) of valve body (2) opening part and be located nozzle nut (19) nozzle (17) of terminal surface down and constitute, nozzle nut (19) and nozzle (17) are located one and are connected with valve body (2) lock nut (20) in.
2. The high precision dispensing valve of claim 1, wherein: the inner wall of the lock nut (20) is detachably connected with the valve body (2) through threads.
3. The high precision dispensing valve of claim 1, wherein: the lower end of the firing pin (5) is embedded into a through hole of the nozzle nut (19).
4. The high precision dispensing valve of claim 1, wherein: and a sealing ring (23) is arranged between the outer side wall of the nozzle nut (19) and the valve body (2).
5. The high precision dispensing valve of claim 1, wherein: the cross section of the first arc-shaped groove (301) is semicircular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022698672.8U CN213825644U (en) | 2020-11-20 | 2020-11-20 | High-precision dispensing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022698672.8U CN213825644U (en) | 2020-11-20 | 2020-11-20 | High-precision dispensing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213825644U true CN213825644U (en) | 2021-07-30 |
Family
ID=77017931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022698672.8U Active CN213825644U (en) | 2020-11-20 | 2020-11-20 | High-precision dispensing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213825644U (en) |
-
2020
- 2020-11-20 CN CN202022698672.8U patent/CN213825644U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215011 No.3, phase I, standard plant, No.588 Wutaishan Road, high tech Zone, Suzhou City, Jiangsu Province Patentee after: Suzhou Zhuozhao dispensing Co.,Ltd. Address before: 215011 No.3, phase I, standard plant, No.588 Wutaishan Road, high tech Zone, Suzhou City, Jiangsu Province Patentee before: SUZHOU TERUITE ROBOT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 189, Wutaishan Road, Suzhou High tech Zone, Suzhou City, Jiangsu Province, 215011 Patentee after: Suzhou Zhuozhao dispensing Co.,Ltd. Address before: 215011 No.3, phase I, standard plant, No.588 Wutaishan Road, high tech Zone, Suzhou City, Jiangsu Province Patentee before: Suzhou Zhuozhao dispensing Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |