CN218475512U - High-precision glue dispensing device - Google Patents
High-precision glue dispensing device Download PDFInfo
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- CN218475512U CN218475512U CN202222120346.8U CN202222120346U CN218475512U CN 218475512 U CN218475512 U CN 218475512U CN 202222120346 U CN202222120346 U CN 202222120346U CN 218475512 U CN218475512 U CN 218475512U
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Abstract
The utility model discloses a high accuracy point mucilage binding is put, include: advance gluey seat, play gluey seat and needle, it is provided with a screw valve to advance gluey seat outside, advance to set up the first through-hole that link up from top to bottom and the gluey runner of advancing of one end and this first through-hole intercommunication on the gluey seat, advance gluey runner other end through a switching seat and the play of screw valve mouthful intercommunication, form a gluey groove between the stator of screw valve and the rotor, should glue the groove with go out to glue through a gluey passageway intercommunication between the mouth, the stator outside of screw valve is provided with a lug, and a pressure sensor is installed in the embedding on this lug, one end in the pressure sensor embedding lug and play through a response runner intercommunication between the gluey passageway. The utility model discloses both can realize the regulation and control to supplying the volume of gluing, can improve the precision of gluing again, can also avoid leading to the glue runner to take place to block up and then the condition of damage screw valve rotor because of local glue becomes dry.
Description
Technical Field
The utility model relates to a valve technical field, in particular to high accuracy point mucilage binding is put.
Background
In industrial production, dispensing is required in many places, such as integrated circuits, semiconductor packages, printed circuit boards, color liquid crystal panels, electronic components, automobile parts, and the like. The glue dispenser is an automatic machine for controlling fluid, dripping and coating the fluid on the surface of a product or in the product; the glue, paint and other liquid which are mainly used in the product process are accurately dripped, poured, coated and dripped to each product accurate position, and can be used for realizing dotting, line drawing, circular or arc; the glue outlet nozzle of the glue dispenser generally adopts a glue dispensing valve to discharge glue. The existing dispensing valve has low glue discharging precision, and the glue overflow condition is easy to occur after the glue supply is stopped, so that the dispensing precision and the dispensing quality are influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a high accuracy point mucilage binding is put, this high accuracy point mucilage binding both can realize the regulation control to supplying the volume of gluing, can improve the precision of gluing again, can also avoid leading to the glue runner to take place to block up and then harm the condition of screw valve rotor because of local glue becomes dry.
In order to solve the technical problem, the utility model discloses a technical scheme is: a high accuracy dispensing device, includes: the glue feeding device comprises a glue feeding seat, a glue discharging seat and a valve needle, wherein a screw valve is arranged on the outer side of the glue feeding seat, a first through hole which is communicated up and down and a glue feeding runner of which one end is communicated with the first through hole are formed in the glue feeding seat, and the other end of the glue feeding runner is communicated with a glue discharging port of the screw valve through a transfer seat;
a rubber groove is formed between the stator and the rotor of the screw valve and is communicated with the rubber outlet through a rubber outlet channel, a convex block is arranged on the outer side of the stator of the screw valve, a pressure sensor is embedded and mounted on the convex block, and one end of the pressure sensor embedded in the convex block is communicated with the rubber outlet channel through an induction channel;
the glue outlet seat is arranged below the glue inlet seat and is provided with a second through hole communicated with the first through hole, the upper end of the valve needle is connected with the driving mechanism, the lower end of the valve needle is embedded into the first through hole and the second through hole in sequence, the outer surface of the valve needle is arranged in a gap with the inner walls of the first through hole and the second through hole in sequence, so that a first flow passage and a second flow passage which are communicated in sequence are formed between the valve needle and the first through hole and the second through hole, the lower end of the glue outlet seat is provided with a glue outlet nozzle, the glue outlet flow passage arranged in the glue outlet nozzle is communicated with the second flow passage, and the inner diameter of the glue outlet flow passage is smaller than the outer diameter of the lower end of the valve needle.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the upper surface of the bump is provided with a mounting groove for embedding the pressure sensor, and the bottom of the mounting groove is provided with a through hole communicated with the sensing flow channel.
2. In the above scheme, one end of the induction flow channel is arranged on the lug, and the other end of the induction flow channel is arranged on the stator of the screw valve.
3. In the above scheme, the horizontal part of the adapter is connected with the rubber inlet seat, and the vertical part of the adapter is connected with the screw valve.
4. In the above scheme, a horizontal runner with one end communicated with the glue inlet runner horizontally arranged is arranged in the horizontal part, the other end of the horizontal runner is communicated with a vertical runner arranged in the vertical part, and one end of the vertical runner, which is far away from the horizontal runner, is communicated with the glue outlet of the screw valve.
Because of the application of above-mentioned technical scheme, compared with the prior art, the utility model has the following advantage:
1. the utility model discloses high accuracy point mucilage binding is put, its advance the gluey seat outside and be provided with a screw valve, advance to set up a first through-hole and one end that link up from top to bottom and the entering glue runner that this first through-hole communicates on the gluey seat, advance the glue runner other end and communicate with the play jiao kou of screw valve through a joint chair, supply glue in advancing gluey seat through the screw valve, both can realize the regulation and control to supplying glue volume, can guarantee supplying glue volume's stability again, improve the precision of final point mucilage binding; form a gluey groove between the stator of screw valve and the rotor in addition, should glue the groove with go out to glue through a gluey passageway intercommunication between the mouth, the stator outside of screw valve is provided with a lug, and a pressure sensor is installed in the embedding on this lug, and the one end in the pressure sensor embedding lug is through a response runner intercommunication with going out between the gluey passageway, and when the pressure value that pressure sensor monitored in real time was higher than certain settlement threshold value, can in time send out the police dispatch newspaper, avoids causing the glue runner to take place to block up and then the condition of damaging the screw valve rotor because of local glue drying out.
2. The utility model discloses high accuracy adhesive deposite device forms the first runner, the second runner that communicate in proper order between its needle and first through-hole, the second through-hole, offers out the interior play of glue mouth glue runner and second runner intercommunication and should go out the internal diameter that glues the runner and be less than the external diameter of needle lower extreme, and when the needle was in the extension state, the lower terminal surface of needle and the upper end in close contact with who goes out the glue runner made it breaks off to go out the runner between glue runner and the second runner, when the needle was in the shrink state, go out the runner intercommunication between glue runner and the second runner, through with the cooperation that can stably supply the screw valve that glues, guarantee the equilibrium and the stability of glue atress in first runner, second runner, the play glue runner, the shrink of rethread needle releases glue, both can realize the accurate regulation of the counter point volume through the frequency of controlling the needle motion, can further improve the precision of gluing again.
Drawings
FIG. 1 is a schematic view of the overall structure of the high-precision dispensing device of the present invention;
FIG. 2 is a schematic sectional view of a partial structure of the high-precision dispensing device of the present invention;
FIG. 3 is a schematic sectional view of a partial structure of the high-precision dispensing device of the present invention when no valve needle is installed;
FIG. 4 is a schematic view of the high-precision dispensing device according to the present invention;
fig. 5 is the utility model discloses high accuracy point mucilage binding device's local structure section stereogram.
In the drawings above: 100. a screw valve; 101. a glue outlet; 102. a stator; 103. a rotor; 104. a glue groove; 105. a glue outlet channel; 1. a glue inlet flow channel; 2. a glue inlet seat; 3. discharging the rubber seat; 4. a valve needle; 5. a first through hole; 51. a first flow passage; 6. a second through hole; 61. a second flow passage; 7. a glue outlet; 71. a glue outlet flow channel; 8. connecting sleeves; 9. a guide seat; 10. a sleeve; 11. a mounting seat; 12. a transfer seat; 121. a horizontal portion; 122. a vertical portion; 123. a horizontal flow channel; 124. a vertical flow channel; 13. a bump; 131. mounting grooves; 132. a through hole; 14. a pressure sensor; 15. an induction flow channel; 16. a drive mechanism.
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; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; to those of ordinary skill in the art, the specific meanings of the above terms in this patent can be understood in specific instances;
example 1: a high accuracy dispensing device, includes: the glue inlet seat 2, the glue outlet seat 3 and the valve needle 4, wherein a screw valve 100 is arranged on the outer side of the glue inlet seat 2, a first through hole 5 which is through up and down and a glue inlet runner 1 with one end communicated with the first through hole 5 are formed in the glue inlet seat 2, and the other end of the glue inlet runner 1 is communicated with a glue outlet 101 of the screw valve 100 through a transfer seat 12;
a glue groove 104 is formed between a stator 102 and a rotor 103 of the screw valve 100, the glue groove 104 is communicated with the glue outlet 101 through a glue outlet channel 105, a convex block 13 is arranged outside the stator 102 of the screw valve 100, a pressure sensor 14 is embedded and mounted on the convex block 13, and one end of the pressure sensor 14, which is embedded in the convex block 13, is communicated with the glue outlet channel 105 through an induction flow channel 15;
a second through hole 6 communicated with the first through hole 5 is formed in the glue outlet seat 3 arranged below the glue inlet seat 2, the lower end of the valve needle 4 with the upper end connected with the driving mechanism 16 is sequentially embedded into the first through hole 5 and the second through hole 6, the outer surface of the valve needle 4 is arranged in a gap with the inner walls of the first through hole 5 and the second through hole 6, so that a first flow passage 51 and a second flow passage 61 which are sequentially communicated are formed between the valve needle 4 and the first through hole 5 and the second through hole 6, a glue outlet nozzle 7 is arranged at the lower end of the glue outlet seat 3, a glue outlet flow passage 71 arranged in the glue outlet nozzle 7 is communicated with the second flow passage 61, and the inner diameter of the glue outlet flow passage 71 is smaller than the outer diameter of the lower end of the valve needle 4; when the valve needle is in an extension state, the lower end face of the valve needle is in close contact with the upper end of the glue outlet flow channel, so that the flow channel between the glue outlet flow channel and the second flow channel is disconnected, when the valve needle is in a contraction state, the flow channel between the glue outlet flow channel and the second flow channel is communicated, the glue outlet flow channel is directly blocked through the lower end of the valve needle, the quick glue breaking at the glue outlet nozzle can be realized, the glue overflow condition is avoided, the balance and stability of glue stress in the first flow channel, the second flow channel and the glue outlet flow channel are ensured through the matching of the screw valve capable of stably supplying glue, and glue is released through the contraction of the valve needle, so that the accurate adjustment of glue dispensing amount can be realized through controlling the movement frequency of the valve needle, and the glue dispensing accuracy can be further improved.
The upper surface of the convex block 13 is provided with an installation groove 131 for the pressure sensor 14 to be embedded in, and the bottom of the installation groove 131 is provided with a through hole 132 communicated with the sensing flow channel 15;
one end of the sensing flow passage 15 is opened to the projection 13, and the other end is opened to the stator 102 of the screw valve 100.
Example 2: a high accuracy dispensing device, includes: the glue feeding device comprises a glue feeding seat 2, a glue discharging seat 3 and a valve needle 4, wherein a screw valve 100 is arranged on the outer side of the glue feeding seat 2, a first through hole 5 which is through up and down and a glue feeding runner 1 with one end communicated with the first through hole 5 are formed in the glue feeding seat 2, the other end of the glue feeding runner 1 is communicated with a glue discharging port 101 of the screw valve 100 through a transfer seat 12, glue is supplied into the glue feeding seat through the screw valve, the adjustment and control of glue supply can be realized, the stability of the glue supply can be ensured, and the precision of final glue dispensing is improved;
a glue groove 104 is formed between a stator 102 and a rotor 103 of the screw valve 100, the glue groove 104 is communicated with the glue outlet 101 through a glue outlet channel 105, a convex block 13 is arranged outside the stator 102 of the screw valve 100, a pressure sensor 14 is embedded and mounted on the convex block 13, one end, embedded into the convex block 13, of the pressure sensor 14 is communicated with the glue outlet channel 105 through an induction flow channel 15, when a pressure value monitored by the pressure sensor in real time is higher than a certain set threshold value, an alarm can be given in time, and the situation that the glue flow channel is blocked to damage the screw valve rotor due to local glue drying is avoided;
the glue outlet seat 3 arranged below the glue inlet seat 2 is provided with a second through hole 6 communicated with the first through hole 5, the lower end of the valve needle 4, the upper end of which is connected with the driving mechanism 16, is sequentially embedded into the first through hole 5 and the second through hole 6, the outer surface of the valve needle 4 is arranged in a clearance with the respective inner walls of the first through hole 5 and the second through hole 6, so that a first flow passage 51 and a second flow passage 61 which are sequentially communicated are formed between the valve needle 4 and the first through hole 5 and the second through hole 6, the lower end of the glue outlet seat 3 is provided with a glue outlet nozzle 7, a glue outlet flow passage 71 arranged in the glue outlet nozzle 7 is communicated with the second flow passage 61, and the inner diameter of the glue outlet flow passage 71 is smaller than the outer diameter of the lower end of the valve needle 4.
The horizontal part 121 of the adapter 12 is connected to the glue inlet 2, and the vertical part 122 of the adapter 12 is connected to the screw valve 100;
a horizontal flow channel 123 with one end communicated with the horizontally arranged glue inlet flow channel 1 is arranged in the horizontal part 121, the other end of the horizontal flow channel 123 is communicated with a vertical flow channel 124 arranged in the vertical part 122, and one end of the vertical flow channel 124 far away from the horizontal flow channel 123 is communicated with the glue outlet 101 of the screw valve 100;
the glue outlet nozzle 7 and the glue outlet base 3 are of an integrated structure; the glue outlet flow passage 71 is communicated with the second flow passage 61 through a conical flow passage;
the upper end of the glue inlet seat 2 is provided with a flange part which extends outwards along the radial direction, and the glue inlet runner 1 which is horizontally arranged is arranged on the flange part;
the upper part of the glue outlet base 3 is connected with the lower part of the glue inlet base 2 through a connecting sleeve 8; the upper surface of the glue inlet seat 2 is provided with a guide seat 9, and the valve needle 4 penetrates through the guide seat 9 and is in sliding fit with the inner wall of the guide seat;
the driving mechanism 16 is a cylinder; the upper end of the valve needle 4 is connected with a piston rod of the cylinder; the upper end of the valve needle 4 is connected with a piston rod of the cylinder through a sleeve 10; the cylinder is fixedly mounted on the guide base 9 through a mounting base 11.
The working principle is as follows: the valve needle is in an initial extension state under the action of the cylinder and is blocked at the upper end of the glue outlet flow channel; the screw valve which can quantitatively and stably supply glue is used for continuously injecting the glue to be glued from the glue inlet at one end of the glue inlet flow passage, so that the regulation and control of the glue supply amount can be realized, the stability of the glue supply amount can be ensured, and the final glue dispensing precision is improved;
glue flows through the first flow passage and the second flow passage, the valve needle reciprocates under the action of the cylinder during glue dispensing, when the valve needle is in a contraction state, the flow passages between the glue outlet flow passage and the second flow passage are communicated, and the glue continuously flows into the glue outlet flow passage and then flows out from the lower end of the glue outlet nozzle; the balance and stability of the stress of glue in the first flow channel, the second flow channel and the glue outlet flow channel are ensured by matching with the screw valve capable of stably supplying glue, and the glue is released by the shrinkage of the valve needle, so that the precise adjustment of the glue dispensing amount can be realized by controlling the movement frequency of the valve needle, and the glue dispensing precision can be improved;
the pressure value of the glue outlet channel is monitored in real time through the pressure sensor, when the pressure value monitored in real time by the pressure sensor is higher than a certain set threshold value, an alarm can be sent out in time, and the situation that a glue flow channel is blocked and then a screw valve rotor is damaged due to drying of local glue is avoided.
By adopting the high-precision glue dispensing device, glue is supplied into the glue inlet seat through the screw valve, so that the regulation and control of the glue supply amount can be realized, the stability of the glue supply amount can be ensured, and the final glue dispensing precision is improved; when the pressure value monitored by the pressure sensor in real time is higher than a set threshold value, an alarm can be given in time, and the situation that a glue flow channel is blocked due to the drying of local glue to further damage a screw valve rotor is avoided;
in addition, when the valve needle is in an extension state, the lower end face of the valve needle is in close contact with the upper end of the glue outlet flow channel, so that the flow channel between the glue outlet flow channel and the second flow channel is disconnected, when the valve needle is in a contraction state, the flow channel between the glue outlet flow channel and the second flow channel is communicated, the balance and the stability of glue stress in the first flow channel, the second flow channel and the glue outlet flow channel are ensured through the matching of the valve needle and a screw valve capable of stably supplying glue, glue is released through the contraction of the valve needle, the precise adjustment of glue dispensing amount can be realized through controlling the movement frequency of the valve needle, and the glue dispensing precision can be further improved.
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 those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, 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. A high accuracy dispensing device includes: advance gluey seat (2), go out gluey seat (3) and needle (4), its characterized in that: a screw valve (100) is arranged on the outer side of the rubber inlet seat (2), a first through hole (5) which is through up and down and a rubber inlet flow channel (1) with one end communicated with the first through hole (5) are formed in the rubber inlet seat (2), and the other end of the rubber inlet flow channel (1) is communicated with a rubber outlet (101) of the screw valve (100) through a transfer seat (12);
a glue groove (104) is formed between a stator (102) and a rotor (103) of the screw valve (100), the glue groove (104) is communicated with the glue outlet (101) through a glue outlet channel (105), a convex block (13) is arranged on the outer side of the stator (102) of the screw valve (100), a pressure sensor (14) is embedded and mounted on the convex block (13), and one end, embedded into the convex block (13), of the pressure sensor (14) is communicated with the glue outlet channel (105) through an induction flow channel (15);
install in advancing gluey seat (2) below go out on gluey seat (3) seted up with second through-hole (6) of first through-hole (5) intercommunication, the upper end is connected with actuating mechanism (16) the lower extreme of needle (4) imbeds in first through-hole (5), second through-hole (6) in proper order, the surface of needle (4) and the respective inner wall clearance setting of first through-hole (5), second through-hole (6) to form first runner (51), second runner (61) that communicate in proper order between needle (4) and first through-hole (5), second through-hole (6), the lower extreme of going out gluey seat (3) is provided with a gluey mouth (7), and the play gluey runner (71) of seting up in this gluey mouth (7) communicates with second runner (61) and the internal diameter that should go out gluey runner (71) is less than the external diameter of needle (4) lower extreme.
2. The high-precision glue dispensing device according to claim 1, characterized in that: the upper surface of the convex block (13) is provided with an installation groove (131) for embedding the pressure sensor (14), and the bottom of the installation groove (131) is provided with a through hole (132) communicated with the induction flow channel (15).
3. The high-precision glue dispensing device according to claim 1 or 2, characterized in that: one end of the induction flow channel (15) is arranged on the lug (13), and the other end of the induction flow channel is arranged on a stator (102) of the screw valve (100).
4. The high-precision glue dispensing device according to claim 1, characterized in that: the horizontal part (121) of adapter (12) is connected with advance gluey seat (2), the vertical portion (122) of adapter (12) is connected with screw valve (100).
5. The high-precision glue dispensing device according to claim 4, characterized in that: a horizontal flow channel (123) with one end communicated with the horizontally arranged glue inlet flow channel (1) is formed in the horizontal portion (121), the other end of the horizontal flow channel (123) is communicated with a vertical flow channel (124) formed in the vertical portion (122), and one end, far away from the horizontal flow channel (123), of the vertical flow channel (124) is communicated with a glue outlet (101) of the screw valve (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222120346.8U CN218475512U (en) | 2022-08-12 | 2022-08-12 | High-precision glue dispensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222120346.8U CN218475512U (en) | 2022-08-12 | 2022-08-12 | High-precision glue dispensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218475512U true CN218475512U (en) | 2023-02-14 |
Family
ID=85166609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222120346.8U Active CN218475512U (en) | 2022-08-12 | 2022-08-12 | High-precision glue dispensing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218475512U (en) |
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2022
- 2022-08-12 CN CN202222120346.8U patent/CN218475512U/en active Active
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Address after: No. 189, Wutaishan Road, High tech Zone, Suzhou City, Jiangsu Province, 215002 Patentee after: Suzhou Zhuozhao dispensing Co.,Ltd. Address before: 215002 No. 3, Phase I, Standard Plant, No. 588, Wutaishan Road, High-tech Zone, Suzhou, Jiangsu Province Patentee before: Suzhou Zhuozhao dispensing Co.,Ltd. |