CN216137544U - Three-way valve for glue dispenser - Google Patents
Three-way valve for glue dispenser Download PDFInfo
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- CN216137544U CN216137544U CN202121549725.8U CN202121549725U CN216137544U CN 216137544 U CN216137544 U CN 216137544U CN 202121549725 U CN202121549725 U CN 202121549725U CN 216137544 U CN216137544 U CN 216137544U
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Abstract
The utility model discloses a three-way valve for a glue dispenser, which comprises a body, driving cavities respectively positioned at two ends in the body and a glue supply cavity with a glue inlet channel, a glue outlet channel and a glue discharge channel, wherein a middle through hole is arranged between the driving cavities and the glue supply cavity, the left end and the right end of a plunger rod positioned in the middle through hole are respectively positioned in the driving cavities and the glue supply cavity, a piston disc hermetically connected with the inner wall of the driving cavity is fixed at the right end of the plunger rod, the piston disc is positioned between a left air inlet and a right air inlet, a guide sleeve for embedding the plunger rod is arranged in the middle of the plunger rod, the guide sleeve comprises a guide part and a convex part positioned on the side surface of the left end of the guide part, the convex part of the guide sleeve is positioned in a limiting groove of the body, and a plurality of small grooves are axially formed on the surface of the inner wall of the through hole of the guide part. The three-way valve for the glue dispenser improves the glue dispensing efficiency and the processing quality of products while ensuring the glue discharging quality, and can also ensure the glue discharging stability in the long-term use process.
Description
Technical Field
The utility model relates to the technical field of dispensing, in particular to a three-way valve for a dispensing machine.
Background
Along with the development of economy, the continuous upgrading of products and the continuous expansion of application fields, the requirements on glue injection and dispensing equipment are wider and more diversified, for example, the stricter requirements of industries such as automotive electronics, new energy, motors, sensors, capacitors, ignition coils and the like promote the manufacturing technology and the product quality of the glue injection and dispensing equipment to be continuously improved, and meanwhile, the higher requirements are also provided for the glue injection and dispensing equipment.
In the working process of the dispensing equipment, once bubbles or impurities appear in the pipeline, the equipment needs to be suspended, and after the bubbles or the impurities are completely discharged by operators manually, the equipment is restarted, so that the automatic assembly line production is not facilitated, and the dispensing efficiency is greatly reduced.
Disclosure of Invention
The utility model aims to provide a three-way valve for a glue dispenser, which improves glue dispensing efficiency and processing quality of products while ensuring glue discharging quality and can ensure glue discharging stability in a long-term use process.
In order to achieve the purpose, the utility model adopts the technical scheme that: a three-way valve for a glue dispenser comprises a body, driving cavities respectively positioned at two ends in the body, and a glue supply cavity provided with a glue inlet channel, a glue outlet channel and a glue discharging channel, wherein a middle through hole is formed between the driving cavity and the glue supply cavity;
a piston disc which is hermetically connected with the inner wall of the driving cavity is fixed at the right end of the plunger rod, the piston disc is positioned between the left air inlet and the right air inlet, a guide sleeve for embedding the plunger rod is arranged in the middle of the plunger rod, a sealing ring positioned between the glue outlet channel and the guide sleeve is arranged between the plunger rod and the middle through hole, and a clearance channel is arranged between the left end of the middle through hole and the glue outlet channel between the plunger rod and the body;
when the piston disc moves left and right in the driving cavity under the driving of the left air inlet or the right air inlet, the plunger head of the plunger rod correspondingly moves left and right in the glue supply cavity, so that the plunger head of the plunger rod is in contact with the first gasket or the flange part of the plunger rod is in contact with the second gasket;
the guide sleeve comprises a guide part and a protruding part located on the side surface of the left end of the guide part, the protruding part of the guide sleeve is located in a limiting groove of the body, the plunger rod is embedded into a through hole of the guide part, the inner wall of the through hole of the guide part is in contact with the outer side surface of the plunger rod, a plurality of small grooves are formed in the surface of the inner wall of the through hole of the guide part along the axial direction, and the small grooves are distributed at intervals along the circumferential direction.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the body further includes supplies to glue sub-body, drive sub-body and is located the middle body that supplies between glue sub-body, the drive sub-body, supply to glue the chamber, advance gluey passageway and be located and supply this internally of glue sub-, it is originally internal that drive chamber, play gluey passageway are located the drive sub-, the clearance passageway is located this internally of centre.
2. In the above scheme, an O-shaped sealing ring is arranged between the piston disc and the driving cavity.
3. In the above scheme, the first gasket and the second gasket are both teflon gaskets.
4. In the above scheme, the left air inlet and the right air inlet are connected to an electromagnetic valve through vent pipes.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the three-way valve for the glue dispenser can automatically discharge waste glue with bubbles or impurities in time in the glue dispensing process, and continuously supply the glue after the waste glue is discharged, so that the glue dispensing efficiency and the processing quality of products are improved while the glue dispensing quality is ensured; furthermore, the guide sleeve for embedding the plunger rod comprises a guide part and a convex part positioned on the side surface of the left end of the guide part, the convex part of the guide sleeve is positioned in a limiting groove of the body, the plunger rod is embedded in a through hole of the guide part, the inner wall of the through hole of the guide part is contacted with the outer side surface of the plunger rod, the surface of the inner wall of the through hole of the guide part is axially provided with a plurality of small grooves which are distributed at intervals along the circumferential direction, and in the long-term repeated high-speed moving process of the plunger rod, on the basis of preventing the plunger rod from shaking to cause the accelerated wear of the plunger head, an air cushion can be formed to reduce the friction between the plunger rod and the guide sleeve, and the unilateral wear aggravation caused by the sealing surface and the single-side pressure difference formed by the unilateral contact between the plunger rod and the guide sleeve can be avoided, a channel can be provided for chips formed by the wear, and the wear and scratch of the guide sleeve and the plunger rod can be avoided, thereby ensuring the stability of glue discharging in the long-term use process.
Drawings
FIG. 1 is a schematic structural diagram of a three-way valve for a dispenser according to the present invention;
FIG. 2 is a cross-sectional view of a three-way valve for a dispenser in a glue dispensing state;
FIG. 3 is a cross-sectional view of a three-way valve for a dispenser in a glue dispensing state;
FIG. 4 is a schematic view of the assembly of a partial structure of a three-way valve for a dispenser according to the present invention;
fig. 5 is a schematic view of a partial structure of a three-way valve for a dispenser according to the present invention.
In the above drawings: 11. a body; 111. a glue supply body; 112. a middle body; 113. a driver body; 12. a drive chamber; 131. a glue inlet channel; 132. a glue outlet channel; 133. a glue discharging channel; 13. a glue supply cavity; 14. a middle through hole; 15. a plunger rod; 16. a first gasket; 17. a plunger head; 18. a flange portion; 19. a second gasket; 20. a piston disc; 21. a left air inlet; 22. a right air inlet; 23. a guide sleeve; 24. a seal ring; 25. a clearance channel; 26. an O-shaped sealing ring; 27. a guide portion; 28. a boss portion; 29. a limiting groove; 30. a through hole; 31. a small groove.
Detailed Description
In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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 being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus 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 three-way valve for a glue dispenser comprises a body 11, a driving cavity 12 and a glue supply cavity 13, wherein the driving cavity 12 is respectively positioned at two ends inside the body 11, the glue supply cavity 13 is provided with a glue inlet channel 131, a glue outlet channel 132 and a glue discharging channel 133, a middle through hole 14 is arranged between the driving cavity 12 and the glue supply cavity 13, the left end and the right end of a plunger rod 15 positioned in the middle through hole 14 are respectively positioned in the driving cavity 12 and the glue supply cavity 13, a first gasket 16 is arranged at one port of the glue discharging channel 133, the left end of the plunger rod 15 is provided with a plunger head 17 which can be in sealing fit with the first gasket 16, a flange part 18 is arranged at the position, close to the plunger head 17, of the plunger rod 15, and a second gasket 19 which can be in sealing contact with the flange part 18 is arranged at one end, communicated with the glue supply cavity 13, of the middle through hole 14;
a piston disc 20 which is hermetically connected with the inner wall of the driving cavity 12 is fixed at the right end of the plunger rod 15, the piston disc 20 is positioned between the left air inlet 21 and the right air inlet 22, a guide sleeve 23 for embedding the plunger rod 15 is arranged in the middle of the plunger rod 15, a sealing ring 24 positioned between the glue outlet channel 132 and the guide sleeve 23 is arranged between the plunger rod 15 and the middle through hole 14, and a clearance channel 25 is arranged between the left end of the middle through hole 14 and the glue outlet channel 132 between the plunger rod 15 and the body 11;
when the piston disc 20 moves left and right in the drive chamber 12 under the driving of the left air inlet 21 or the right air inlet 22, the plunger head 17 of the plunger rod 15 correspondingly moves left and right in the glue supply chamber 13, so that the plunger head 17 of the plunger rod 15 is contacted with the first gasket 16 or the flange part 18 of the plunger rod 15 is contacted with the second gasket 19;
the guide sleeve 23 comprises a guide part 27 and a convex part 28 positioned on the side surface of the left end of the guide part 27, the convex part 28 of the guide sleeve 23 is positioned in a limiting groove 29 of the body 11, the plunger rod 15 is embedded in a through hole 30 of the guide part 27, the inner wall of the through hole 30 of the guide part 27 is contacted with the outer side surface of the plunger rod 15, a plurality of small grooves 31 are formed in the inner wall surface of the through hole 30 of the guide part 27 along the axial direction, and the small grooves 31 are distributed at intervals along the circumferential direction.
The body 11 further includes a glue supplying body 111, a driving body 113 and a middle body 112 located between the glue supplying body 111 and the driving body 113, the glue supplying cavity 13 and the glue inlet channel 131 are located in the glue supplying body 111, the driving cavity 12 and the glue outlet channel 132 are located in the driving body 113, and the gap channel 25 is located in the middle body 112; an O-ring seal 26 is provided between the piston disc 20 and the drive chamber 12.
Example 2: a three-way valve for a glue dispenser comprises a body 11, a driving cavity 12 and a glue supply cavity 13, wherein the driving cavity 12 is respectively positioned at two ends inside the body 11, the glue supply cavity 13 is provided with a glue inlet channel 131, a glue outlet channel 132 and a glue discharging channel 133, a middle through hole 14 is arranged between the driving cavity 12 and the glue supply cavity 13, the left end and the right end of a plunger rod 15 positioned in the middle through hole 14 are respectively positioned in the driving cavity 12 and the glue supply cavity 13, a first gasket 16 is arranged at one port of the glue discharging channel 133, the left end of the plunger rod 15 is provided with a plunger head 17 which can be in sealing fit with the first gasket 16, a flange part 18 is arranged at the position, close to the plunger head 17, of the plunger rod 15, and a second gasket 19 which can be in sealing contact with the flange part 18 is arranged at one end, communicated with the glue supply cavity 13, of the middle through hole 14;
a piston disc 20 which is hermetically connected with the inner wall of the driving cavity 12 is fixed at the right end of the plunger rod 15, the piston disc 20 is positioned between the left air inlet 21 and the right air inlet 22, a guide sleeve 23 for embedding the plunger rod 15 is arranged in the middle of the plunger rod 15, a sealing ring 24 positioned between the glue outlet channel 132 and the guide sleeve 23 is arranged between the plunger rod 15 and the middle through hole 14, and a clearance channel 25 is arranged between the left end of the middle through hole 14 and the glue outlet channel 132 between the plunger rod 15 and the body 11;
when the piston disc 20 moves left and right in the drive chamber 12 under the driving of the left air inlet 21 or the right air inlet 22, the plunger head 17 of the plunger rod 15 correspondingly moves left and right in the glue supply chamber 13, so that the plunger head 17 of the plunger rod 15 is contacted with the first gasket 16 or the flange part 18 of the plunger rod 15 is contacted with the second gasket 19;
the guide sleeve 23 comprises a guide part 27 and a convex part 28 positioned on the side surface of the left end of the guide part 27, the convex part 28 of the guide sleeve 23 is positioned in a limiting groove 29 of the body 11, the plunger rod 15 is embedded in a through hole 30 of the guide part 27, the inner wall of the through hole 30 of the guide part 27 is contacted with the outer side surface of the plunger rod 15, a plurality of small grooves 31 are formed in the inner wall surface of the through hole 30 of the guide part 27 along the axial direction, and the small grooves 31 are distributed at intervals along the circumferential direction.
The first gasket 16 and the second gasket 19 are both teflon gaskets; the left and right air inlets 21 and 22 are connected to an electromagnetic valve through a breather pipe.
When the three-way valve for the glue dispenser is adopted, the waste glue with bubbles or impurities can be automatically discharged in time in the glue dispensing process, and the glue is continuously supplied after the waste glue is discharged, so that the glue dispensing efficiency and the processing quality of products are improved while the glue quality is ensured;
furthermore, the guide sleeve for embedding the plunger rod comprises a guide part and a convex part positioned on the side surface of the left end of the guide part, the convex part of the guide sleeve is positioned in a limiting groove of the body, the plunger rod is embedded in a through hole of the guide part, the inner wall of the through hole of the guide part is contacted with the outer side surface of the plunger rod, the surface of the inner wall of the through hole of the guide part is axially provided with a plurality of small grooves which are distributed at intervals along the circumferential direction, and in the long-term repeated high-speed moving process of the plunger rod, on the basis of preventing the plunger rod from shaking to cause the accelerated wear of the plunger head, an air cushion can be formed to reduce the friction between the plunger rod and the guide sleeve, and the unilateral wear aggravation caused by the sealing surface and the single-side pressure difference formed by the unilateral contact between the plunger rod and the guide sleeve can be avoided, a channel can be provided for chips formed by the wear, and the wear and scratch of the guide sleeve and the plunger rod can be avoided, thereby ensuring the stability of glue discharging in the long-term use process.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to 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 within the protection scope of the present invention.
Claims (5)
1. The utility model provides a three-way valve for point gum machine which characterized in that: comprises a body (11), a driving cavity (12) respectively positioned at two ends in the body (11), and a glue supply cavity (13) provided with a glue inlet channel (131), a glue outlet channel (132) and a glue discharge channel (133), a middle through hole (14) is arranged between the driving cavity (12) and the glue supply cavity (13), the left end and the right end of a plunger rod (15) which is positioned in the middle through hole (14) are respectively positioned in the driving cavity (12) and the glue supply cavity (13), a first gasket (16) is arranged at one port of the rubber discharging channel (133), a plunger head (17) which can be in sealing fit with the first gasket (16) is arranged at the left end of the plunger rod (15), a flange part (18) is arranged at the position, close to the plunger head (17), of the plunger rod (15), one end of the middle through hole (14) communicated with the glue supply cavity (13) is provided with a second gasket (19) which can be in sealing contact with the flange part (18);
a piston disc (20) which is hermetically connected with the inner wall of the driving cavity (12) is fixed at the right end of the plunger rod (15), the piston disc (20) is positioned between the left air inlet (21) and the right air inlet (22), a guide sleeve (23) for embedding the plunger rod (15) is arranged in the middle of the plunger rod (15), a sealing ring (24) positioned between the glue outlet channel (132) and the guide sleeve (23) is arranged between the plunger rod (15) and the middle through hole (14), and a clearance channel (25) is arranged between the left end of the middle through hole (14) and the glue outlet channel (132) between the plunger rod (15) and the body (11);
when the piston disc (20) moves left and right in the driving cavity (12) under the driving of the left air inlet (21) or the right air inlet (22), the plunger head (17) of the plunger rod (15) correspondingly moves left and right in the glue supply cavity (13), so that the plunger head (17) of the plunger rod (15) is contacted with the first gasket (16) or the flange part (18) of the plunger rod (15) is contacted with the second gasket (19);
the guide sleeve (23) comprises a guide part (27) and a protruding part (28) located on the side surface of the left end of the guide part (27), the protruding part (28) of the guide sleeve (23) is located in a limiting groove (29) of the body (11), the plunger rod (15) is embedded into a through hole (30) of the guide part (27), the inner wall of the through hole (30) of the guide part (27) is in contact with the outer side surface of the plunger rod (15), a plurality of small grooves (31) are formed in the surface of the inner wall of the through hole (30) of the guide part (27) along the axial direction, and the small grooves (31) are distributed at intervals along the circumferential direction.
2. The three-way valve for the dispenser according to claim 1, wherein: the body (11) further comprises a glue supply body (111), a driving sub-body (113) and a middle body (112) positioned between the glue supply body (111) and the driving sub-body (113), the glue supply cavity (13) and the glue inlet channel (131) are positioned in the glue supply body (111), the driving cavity (12) and the glue outlet channel (132) are positioned in the driving sub-body (113), and the gap channel (25) is positioned in the middle body (112).
3. The three-way valve for the dispenser according to claim 1 or 2, wherein: an O-shaped sealing ring (26) is arranged between the piston disc (20) and the driving cavity (12).
4. The three-way valve for the dispenser according to claim 1 or 2, wherein: the first gasket (16) and the second gasket (19) are both Teflon gaskets.
5. The three-way valve for the dispenser according to claim 1 or 2, wherein: the left air inlet (21) and the right air inlet (22) are connected to an electromagnetic valve through vent pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121549725.8U CN216137544U (en) | 2021-07-08 | 2021-07-08 | Three-way valve for glue dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121549725.8U CN216137544U (en) | 2021-07-08 | 2021-07-08 | Three-way valve for glue dispenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216137544U true CN216137544U (en) | 2022-03-29 |
Family
ID=80801746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121549725.8U Active CN216137544U (en) | 2021-07-08 | 2021-07-08 | Three-way valve for glue dispenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216137544U (en) |
-
2021
- 2021-07-08 CN CN202121549725.8U patent/CN216137544U/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 |