CN215940462U - Novel pneumatic dispensing valve - Google Patents
Novel pneumatic dispensing valve Download PDFInfo
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- CN215940462U CN215940462U CN202122206735.8U CN202122206735U CN215940462U CN 215940462 U CN215940462 U CN 215940462U CN 202122206735 U CN202122206735 U CN 202122206735U CN 215940462 U CN215940462 U CN 215940462U
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Abstract
The utility model discloses a novel pneumatic dispensing valve, which comprises a valve body, wherein an upper cavity is arranged in the valve body, a valve core seat is movably arranged in the upper cavity, the lower end of the valve core seat is connected with a valve core needle, a first air supply connector and a second air supply connector are vertically arranged at intervals outside the valve body, the first air supply connector is positioned on the upper side of the valve core seat, and the second air supply connector is positioned on the lower side of the valve core seat; the valve needle seat is arranged at the lower end of the valve body and is in sealing connection with the valve body, a lower cavity is arranged in the valve needle seat and is communicated with the upper cavity, a sealing ejector pin is movably arranged in the lower cavity and is connected with the valve core needle, a glue supply connector is arranged on the outer side of the valve needle seat, a bottom cover is arranged at the lower end of the valve needle seat, and the bottom cover is connected with a needle head. The utility model has reasonable and simple structural design, controls the dispensing amount of the dispensing valve by rotating the adjusting nut to drive the flow adjusting rod to move in the valve body, has high sensitivity, has good integral sealing performance, can effectively prevent the glue solution from leaking and prolongs the service life.
Description
Technical Field
The utility model relates to the technical field of cigarette paper dispensing, in particular to a novel pneumatic dispensing valve.
Background
In the production process of the cigarette making machine set, the latex in the rubber barrel is conveyed to the pneumatic dispensing valve through the action of gravity or a rubber pump, and the rubber nozzle of the pneumatic dispensing valve continuously coats the latex on the cigarette paper. In the production process, the adhesive needs to be firmly bonded and is generally fixed through glue solution, so that the dispenser needs to perform dispensing in advance at a specific position.
In the existing dispensing valve mechanism, a piston generally slides up and down by means of pushing and compression of an elastic element, so that dispensing is started or closed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel pneumatic dispensing valve to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a novel pneumatic dispensing valve comprising:
the valve comprises a valve body, a valve core seat is movably arranged in the valve body, a valve core needle is connected to the lower end of the valve core seat, a first air supply connector and a second air supply connector are vertically arranged at intervals outside the valve body, the first air supply connector is positioned on the upper side of the valve core seat, and the second air supply connector is positioned on the lower side of the valve core seat;
the valve needle seat is arranged at the lower end of the valve body and is in sealed connection with the valve body, a lower cavity is arranged in the valve needle seat and is communicated with the upper cavity, a sealing ejector pin is movably arranged in the lower cavity and is connected with the valve core needle, a glue supply connector is arranged on the outer side of the valve needle seat, a bottom cover is arranged at the lower end of the valve needle seat, and the bottom cover is connected with a needle head.
As a preferable technical scheme of the utility model, a film-bulging pad is arranged on the outer side of the joint of the sealing thimble and the valve core needle.
As a preferred technical scheme, the inner wall of the valve body is provided with a limiting table, a positioning hole is formed in the limiting table, and the lower end of the valve core seat is provided with a positioning pin which is matched with the positioning hole.
As a preferable technical scheme of the utility model, an O-shaped ring is arranged on the outer side of the valve needle seat and is in contact with the inner wall of the valve body.
As a preferable technical scheme, the upper end of the valve body is provided with an adjusting mechanism, the adjusting mechanism comprises an upper cover arranged at the top of the valve body, the upper cover is in threaded connection with an adjusting seat, the lower end of the adjusting seat is connected with an adjusting rod, and the upper end of the adjusting seat is provided with an adjusting nut.
As a preferable technical solution of the present invention, a dial is provided outside the adjusting nut.
As a preferable technical scheme of the utility model, the needle head is connected with the bottom cover through the needle head seat.
As a preferable technical solution of the present invention, the first air supply joint, the second air supply joint, and the glue supply joint are all L-shaped rotary joints.
Compared with the prior art, the utility model has the beneficial effects that: this novel pneumatic dispensing valve, structural design is reasonable, simple, and drives flow control pole at the valve body internal motion through rotating adjusting nut, and the volume of gluing of dispensing valve carries out effective control, and the sensitivity is high, installs holistic leakproofness moreover well, can prevent effectively that the glue solution from leaking outward, extension equipment life.
Drawings
FIG. 1 is a schematic oblique side view of the overall structure of the present invention;
FIG. 2 is a schematic view of an adjustment mechanism of the present invention;
FIG. 3 is a top view of the overall structure of the present invention;
FIG. 4 is a cross-sectional view of the overall construction of the present invention;
FIG. 5 is a schematic view of the position relationship between the valve core seat and the position-limiting table according to the present invention;
in the figure: 10. a valve body; 11. a first gas supply connection; 12. a second gas supply connection; 13. a valve core seat; 131. an O-shaped ring; 132. positioning pins; 14. a valve core needle; 15. a membrane-bulging pad; 16. a limiting table; 161. positioning holes; 20. a valve needle seat; 21. a glue supply joint; 22. sealing the thimble; 30. a bottom cover; 40. a needle head; 41. a needle head seat; 50. an adjustment mechanism; 51. an upper cover; 52. an adjusting seat; 53. adjusting the nut; 531. a dial scale; 54. and adjusting the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-5, the present invention provides a technical solution: a novel pneumatic dispensing valve comprises a valve body 10, wherein an upper cavity is arranged in the valve body 10, a valve core seat 13 is movably arranged in the upper cavity, the lower end of the valve core seat 13 is connected with a valve core needle 14, a first air supply connector 11 and a second air supply connector 12 are vertically arranged on the outer side of the valve body 10 at intervals, the first air supply connector 11 is positioned on the upper side of the valve core seat 13, and the second air supply connector 12 is positioned on the lower side of the valve core seat 13;
the valve needle seat 20 is arranged at the lower end of the valve body 10 and is connected with the valve body 10 in a sealing manner, a lower cavity is arranged in the valve needle seat 20 and is communicated with the upper cavity, a sealing thimble 22 is movably arranged in the lower cavity, the sealing thimble 22 is connected with the valve core needle 14, a glue supply connector 21 is arranged on the outer side of the valve needle seat 20, a bottom cover 30 is arranged at the lower end of the valve needle seat 20, and the bottom cover 30 is connected with a needle.
And a film-bulging pad 15 is arranged on the outer side of the joint of the sealing thimble 22 and the valve core needle 14.
The inner wall of the valve body 10 is provided with a limit table 16, the limit table 16 is provided with a positioning hole 161, the lower end of the valve core seat 13 is provided with a positioning pin 132, and the positioning pin 132 is matched with the positioning hole 161.
An O-ring 131 is arranged on the outer side of the valve needle seat 20, and the O-ring 131 is in contact with the inner wall of the valve body 10.
The upper end of the valve body 10 is provided with an adjusting mechanism 50, the adjusting mechanism 50 comprises an upper cover 51 arranged at the top of the valve body 10, the upper cover 51 is in threaded connection with an adjusting seat 52, the lower end of the adjusting seat 52 is connected with an adjusting rod 54, and the upper end of the adjusting seat 52 is provided with an adjusting nut 53.
The adjusting nut 53 is provided with a dial 531 on the outside.
The needle 40 is connected to the bottom cap 30 by a needle holder 41.
The first air supply joint 11, the second air supply joint 12 and the glue supply joint 21 are all L-shaped rotary joints.
The working mode of the pneumatic dispensing valve provided by the utility model is as follows:
s1: the first air supply connector 11 and the second air supply connector 12 are connected with an air source, and the glue supply connector 21 is connected with a glue injection source;
s2: the group of electromagnetic valves opens the air source, the air source enters the valve body 10 through the second air supply connector 12, when a sufficient amount of air is filled in the valve body 10, pressure is applied to the valve core seat 13, the sealing ejector pin 22 is driven to move upwards and return, and at the moment, the latex enters the valve needle seat 20 from the rubber supply connector 21 for rubber supply;
s3: after the glue is supplied, one set of solenoid valves closes the air source, the second air supply connector 12 stops supplying air, meanwhile, the other set of solenoid valves opens the air source, the air source enters the valve body 10 through the first air supply connector 11, the valve core seat 13 drives the sealing ejector pin 22 to move downwards for resetting, and the latex is sprayed out from the needle head 40 for dispensing.
The utility model has the beneficial effects that: this novel pneumatic dispensing valve, structural design is reasonable, simple, and drives flow control pole 54 through rotating adjusting nut 53 and move in valve body 10, and the volume of gluing of dispensing valve carries out effective control, and the sensitivity is high, installs holistic leakproofness moreover well, can prevent effectively that the glue solution from leaking outward, extension equipment life.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a novel pneumatic dispensing valve which characterized in that includes:
the valve comprises a valve body, a valve core seat is movably arranged in the valve body, a valve core needle is connected to the lower end of the valve core seat, a first air supply connector and a second air supply connector are vertically arranged at intervals outside the valve body, the first air supply connector is positioned on the upper side of the valve core seat, and the second air supply connector is positioned on the lower side of the valve core seat;
the valve needle seat is arranged at the lower end of the valve body and is in sealed connection with the valve body, a lower cavity is arranged in the valve needle seat and is communicated with the upper cavity, a sealing ejector pin is movably arranged in the lower cavity and is connected with the valve core needle, a glue supply connector is arranged on the outer side of the valve needle seat, a bottom cover is arranged at the lower end of the valve needle seat, and the bottom cover is connected with a needle head.
2. The novel pneumatic dispensing valve according to claim 1, wherein a film-bulging pad is arranged outside the joint of the sealing ejector pin and the valve core pin.
3. The novel pneumatic dispensing valve according to claim 1, wherein the inner wall of the valve body is provided with a limiting table, the limiting table is provided with a positioning hole, the lower end of the valve core seat is provided with a positioning pin, and the positioning pin is matched with the positioning hole.
4. The novel pneumatic dispensing valve as claimed in claim 1, wherein an O-ring is arranged on the outer side of the valve needle seat, and the O-ring is in contact with the inner wall of the valve body.
5. The novel pneumatic dispensing valve according to claim 1, wherein an adjusting mechanism is mounted at the upper end of the valve body, the adjusting mechanism comprises an upper cover arranged at the top of the valve body, the upper cover is in threaded connection with an adjusting seat, the lower end of the adjusting seat is connected with an adjusting rod, and an adjusting nut is arranged at the upper end of the adjusting seat.
6. The novel pneumatic dispensing valve according to claim 5, wherein a dial is arranged on the outer side of the adjusting nut.
7. The new pneumatic dispensing valve of claim 1, wherein the needle is connected to the bottom cap by a needle base.
8. The novel pneumatic dispensing valve of claim 1, wherein the first air supply joint, the second air supply joint and the glue supply joint are all L-shaped rotary joints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122206735.8U CN215940462U (en) | 2021-09-13 | 2021-09-13 | Novel pneumatic dispensing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122206735.8U CN215940462U (en) | 2021-09-13 | 2021-09-13 | Novel pneumatic dispensing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215940462U true CN215940462U (en) | 2022-03-04 |
Family
ID=80429449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122206735.8U Active CN215940462U (en) | 2021-09-13 | 2021-09-13 | Novel pneumatic dispensing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215940462U (en) |
-
2021
- 2021-09-13 CN CN202122206735.8U patent/CN215940462U/en active Active
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