CN213825648U - High-precision injection valve - Google Patents
High-precision injection valve Download PDFInfo
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- CN213825648U CN213825648U CN202022705512.1U CN202022705512U CN213825648U CN 213825648 U CN213825648 U CN 213825648U CN 202022705512 U CN202022705512 U CN 202022705512U CN 213825648 U CN213825648 U CN 213825648U
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- valve body
- nozzle
- firing pin
- glue
- convex strip
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Abstract
The utility model discloses a high-precision injection valve, which comprises a valve body with a holding cavity, a pressure rod, a swinging rod, a firing pin and a glue feeding mechanism, wherein the glue feeding mechanism is arranged on the lower end surface 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 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 utility model discloses under the clearance adjustable condition between realization firing pin and the nozzle, further realized the stable installation to the nozzle.
Description
Technical Field
The utility model relates to an equipment field is glued to the point, especially relates to a high-accuracy injection valve.
Background
In the existing glue dispenser, a high-speed injection valve is often adopted, and a cylinder in the high-speed injection valve is controlled by a high-speed electromagnetic valve so that a firing pin injects fluid out of a nozzle under the action of a spring, thereby completing the glue dispensing working process. 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 injection valve, this high-accuracy injection valve under the clearance adjustable condition between realization firing pin and nozzle, further realized the stable installation to the nozzle.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a high-precision injection 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 surface 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 piezoelectric ceramic stack column is positioned between the pressure rod and the oscillating rod and is close to one side of the left end, the upper end of the piezoelectric ceramic stack column is contacted with the pressure rod close to the left end of the pressure rod, and the groove on the lower end surface of the piezoelectric ceramic stack column is used for the positioning convex strip of the oscillating rod to be embedded and rotatably connected;
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 above scheme, the valve body is detachably connected with the lock nut 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, the glue feeding mechanism is connected to the lower end face of the valve body through at least 2 bolts.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the utility model discloses high-precision injection valve, it is through the linkage setting of adjusting the subassembly soon with structure between depression bar, the swinging arms, 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 gluing; furthermore, its glue storage chamber mainly comprises the nozzle nut of installing in 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 the nozzle nut, lock nut and the valve body between be connected the setting, under the condition that realizes clearance adjustable between firing pin and the nozzle, further realized the stable installation to the nozzle, avoid the nozzle to take place the shake 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.
Drawings
FIG. 1 is a schematic structural view of the high precision injection valve of the present invention;
FIG. 2 is a longitudinal sectional view of the high precision injection valve of the present invention;
FIG. 3 is a sectional view of the middle pressure rod structure of the high precision injection valve of the present invention;
fig. 4 is a sectional view of the local structure of the high-precision injection valve of the present invention.
In the above drawings: 1. an accommodating cavity; 2. a valve body; 3. a pressure lever; 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; 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. and (5) locking a nut.
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 injection 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;
the piezoelectric ceramic stack column 7 is positioned between the pressure rod 3 and the oscillating rod 4 and close to one side of the left end, the upper end of the piezoelectric ceramic stack column 7 is contacted with the pressure rod 3 close to the left end of the pressure rod, and a groove 701 on the lower end surface of the piezoelectric ceramic stack column 7 is used for embedding and rotatably connecting a positioning convex strip 402 of the oscillating rod 4;
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 valve body 2 is detachably connected with the lock nut 20 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 injection 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;
the piezoelectric ceramic stack column 7 is positioned between the pressure rod 3 and the oscillating rod 4 and close to one side of the left end, the upper end of the piezoelectric ceramic stack column 7 is contacted with the pressure rod 3 close to the left end of the pressure rod, and a groove 701 on the lower end surface of the piezoelectric ceramic stack column 7 is used for embedding and rotatably connecting a positioning convex strip 402 of the oscillating rod 4;
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 glue feeding mechanism 6 is connected to the lower end face of the valve body 2 through at least 2 bolts.
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;
in addition, through the connection setting between the nozzle nut, the lock nut and 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, the shaking deviation of the nozzle in the high-frequency impact process is avoided, and therefore the service life of the nozzle and the service life of the firing pin are prolonged, the dispensing precision is improved, and different dispensing requirements are met.
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 (4)
1. A high precision injection valve characterized by: 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);
the piezoelectric ceramic stack column (7) is positioned between the pressure rod (3) and the oscillating rod (4) and is close to one side of the left end, the upper end of the piezoelectric ceramic stack column (7) is contacted with the pressure rod (3) close to the left end of the pressure rod, and a groove (701) on the lower end face of the piezoelectric ceramic stack column (7) is used for embedding and rotatably connecting a positioning convex strip (402) of the oscillating rod (4);
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 injection valve according to claim 1, characterized in that: the valve body (2) is detachably connected with the lock nut (20) through threads.
3. The high precision injection valve according to claim 1, characterized in that: the lower end of the firing pin (5) is embedded into a through hole of the nozzle nut (19).
4. The high precision injection valve according to claim 1, characterized in that: the glue feeding mechanism (6) is connected to the lower end face of the valve body (2) through at least 2 bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022705512.1U CN213825648U (en) | 2020-11-20 | 2020-11-20 | High-precision injection valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022705512.1U CN213825648U (en) | 2020-11-20 | 2020-11-20 | High-precision injection valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213825648U true CN213825648U (en) | 2021-07-30 |
Family
ID=77018375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022705512.1U Active CN213825648U (en) | 2020-11-20 | 2020-11-20 | High-precision injection valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213825648U (en) |
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2020
- 2020-11-20 CN CN202022705512.1U patent/CN213825648U/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, 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 |