CN111889311A - Micro-pneumatic spray valve - Google Patents
Micro-pneumatic spray valve Download PDFInfo
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- CN111889311A CN111889311A CN202010717441.9A CN202010717441A CN111889311A CN 111889311 A CN111889311 A CN 111889311A CN 202010717441 A CN202010717441 A CN 202010717441A CN 111889311 A CN111889311 A CN 111889311A
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- valve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet
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Abstract
The invention discloses a micro-pneumatic spray valve which comprises a valve body and an atomizing and air-spraying assembly, wherein the valve body comprises a glue dispensing part, the atomizing and air-spraying assembly comprises an air inlet part and an air spraying part, the air inlet part is communicated with the valve body, and the air spraying part is arranged on the glue dispensing part so as to realize uniform air spraying. The dispensing part is provided with the air injection part, and the atomized compressed air is uniformly sprayed out through the air injection part, so that the atomization uniformity is ensured to the maximum extent.
Description
Technical Field
The invention relates to the technical field of pneumatic spray valves, in particular to a trace pneumatic spray valve.
Background
The dispensing machine is also called a glue spreader, and is an automatic machine for spreading fluid glue solution on the surface of a specified product, a dispensing valve is a key component for accurately distributing the fluid such as glue solution and the like in the dispensing process of the dispensing machine, wherein a pneumatic spray valve is a commonly used dispensing valve, and atomization is to change the liquid into fine water drops and discharge the water drops in a spray form. The traditional spray valve has uneven atomization and unsatisfactory dispensing effect.
Therefore, in order to solve the technical problems, the invention provides a micro-pneumatic spray valve.
Disclosure of Invention
The invention provides a micro-pneumatic spray valve which comprises a valve body and an atomizing and air-spraying assembly, wherein the valve body comprises a dispensing part, the atomizing and air-spraying assembly comprises an air inlet part and an air spraying part, the air inlet part is communicated with the valve body, and the air spraying part is arranged on the dispensing part to realize uniform air spraying.
Technical scheme more than adopting, some glue portions are including some jiao kou and profile modeling dustcoat, profile modeling dustcoat detachable install point is glued on the mouth.
According to the technical scheme, the air injection part comprises a multi-section separation type air passage, and the multi-section separation type air passage is arranged on the side wall of the glue dispensing opening.
According to the technical scheme, the single-section separation type air passage comprises the integrally formed main air passage and the plurality of air dividing passages, and the plurality of air dividing passages are communicated with the main air passage.
Technical scheme more than adopting, air inlet portion includes intake pipe and jet-propelled pipe, and the intake pipe is located on the lateral wall of valve body and is run through with the jet-propelled pipe and be connected, and the jet-propelled mouth of jet-propelled pipe is to multistage cellular-type air flue.
According to the technical scheme, the glue dispensing device further comprises a valve needle and a pneumatic differential head assembly, the valve needle is arranged in the valve body, and the pneumatic differential head assembly is arranged at one end of the valve body and used for adjusting the axial movement distance of the valve needle so as to change the glue dispensing amount.
Technical scheme more than adopting, pneumatic differential head subassembly includes differential head body, piston and intake pipe, locate in the piston in the valve body, the intake pipe is located on the valve body lateral wall and with piston through connection, the piston is equipped with the clearance with the differential head body, be equipped with adjust knob on the differential head body in order to adjust the clearance of differential head body and piston.
Technical scheme more than adopting, pneumatic differential head subassembly includes spring a, the differential head body has integrated into one piece's pole portion, and pole portion and piston reserve has the clearance, and the cover is equipped with spring a and is connected with the piston on the pole portion, and the piston is connected with the needle, and intake pipe air admission jack-up piston drives the needle rebound in order to open the dispensing mouth, and spring a resets and drives the needle rebound in order to close the dispensing mouth.
By adopting the technical scheme, a spring b is arranged between the valve needle and the dispensing opening.
Technical scheme more than adopting still including advancing gluey subassembly, be equipped with out gluey runner in the valve body, advance gluey subassembly including advancing the rubber tube, advance the rubber tube and go out gluey runner through connection.
The invention has the beneficial effects that: the dispensing part is provided with the air injection part, and the atomized compressed air is uniformly sprayed out through the air injection part, so that the atomization uniformity is ensured to the maximum extent.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a schematic cross-sectional view a-a of fig. 2.
Fig. 4 is a schematic view of the internal structure of the present invention.
Fig. 5 is a partially enlarged schematic view of a portion B in fig. 4.
The reference numbers in the figures illustrate: 1. a valve body; 11. dispensing a glue port; 12. a profiling outer cover; 2. a valve needle; 21. a needle bar; 22. a needle tip; 31. a differential head body; 311. adjusting a knob; 312. a rod portion; 32. a piston; 33. an air inlet pipe; 34. a spring a; 4. a spring b; 5. a glue outlet flow channel; 61. feeding a rubber tube; 71. an air inlet pipe; 72. a gas ejector tube; 73. a divided air passage; 731. a main air passage; 732. and (4) air distributing channels.
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.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. 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 to 3, the micro pneumatic spray valve of the present invention comprises a valve body 1, a valve needle 2 and a pneumatic differential head assembly, wherein one end of the valve body 1 is open, the other end opposite to the open end is provided with a dispensing part, the dispensing part comprises a dispensing opening and a profiling outer cover, the profiling outer cover is detachably mounted on the dispensing opening, and preferably, the profiling outer cover of the present invention is locked on the dispensing opening through a bolt. Traditional needle is placed in the valve in mostly, leads to its glue mouth of gluing to spout and is mostly the drippage form, and the face is glued to the point is less, and the point is glued speed and is slower, leads to the work efficiency of spraying valve lower. Therefore, the open end of the valve body 1 is connected with the pneumatic differential head assembly, the pneumatic differential head assembly comprises a differential head body 31, a piston 32, an air inlet pipe 33 and a spring a34, the piston 32 is arranged in the valve body 1, the air inlet pipe 33 is arranged on the side wall of the valve body 1 and is in through connection with the piston 32, the differential head body 31 is provided with a rod part 312 which is integrally formed, a gap is reserved between the rod part 312 and the piston 32, the rod part 312 is sleeved with the spring a34 and is connected with the piston 32, the larger the gap between the rod part 312 and the piston 32 is, the larger the axial movement distance of the valve needle 2 is, namely, the larger the opening degree of the dispensing port; in the same way, the smaller the gap between the rod 312 and the piston 32 is, the smaller the distance that the valve needle 2 moves axially is, that is, the smaller the opening degree of the dispensing opening 11 is, the smaller the dispensing amount at this time is, and the adjusting knob 311 is arranged on the differential head body 31 to adjust the gap between the differential head body 31 and the piston 32, and the differential head body 31 is adopted to precisely adjust the distance that the valve needle 2 moves axially to adjust the dispensing amount, so that the micro-dispensing device is applicable to micro-dispensing and has good universality.
In the embodiment, referring to fig. 3, the valve needle 2 is axially movably disposed in the valve body 1, the valve needle 2 includes a needle rod 21 and a needle point 22, the needle rod 21 is connected to the piston 32, the air inlet pipe 33 is used for ejecting the piston 32 to drive the valve needle 2 to move upwards to open the dispensing opening 11, the spring a34 is reset to drive the valve needle 2 to move downwards to close the dispensing opening 11, more specifically, the spring b4 is disposed between the needle rod 21 and the dispensing opening 11, the axial movement of the valve needle 2 realizes the gradual opening or gradual closing of the dispensing opening 11, in particular, the air inlet pipe 33 is used for ejecting the piston 32 to drive the valve needle 2 to move upwards, at this time, the dispensing opening 11 starts, that is, the dispensing operation starts, the opening degree of the dispensing opening 11 increases with the continuous upward movement of the valve needle 2, and in the same way, after the air inlet operation of the valve needle 33 is finished, the spring a34, at this time, the dispensing port 11 starts to be closed, the degree of closing the dispensing port 11 is increased along with the continuous downward movement of the valve needle 2, the valve needle 2 is made of two materials, namely, the needle rod 21 is made of stainless steel, and the needle point 22 is made of PEEK, so that the strength of the needle rod 21 is ensured, and the corrosion resistance of the needle point 22 is also ensured.
In this embodiment, referring to fig. 1 and fig. 2, the valve further includes an atomizing and gas-spraying assembly, the atomizing and gas-spraying assembly includes a gas inlet portion and a gas-spraying portion, the gas inlet portion includes a gas inlet pipe 71 and a gas-spraying pipe 72, the gas inlet pipe 71 is disposed on the side wall of the valve body 1 and is connected to the gas-spraying pipe 72 in a penetrating manner; in addition, the air injection part comprises a plurality of sections of separated air passages 73, the plurality of sections of separated air passages 73 are arranged on the side wall of the dispensing opening 11, preferably, the plurality of sections of separated air passages 73 are two sections of separated air passages 73, the two sections of separated air passages 73 are arranged at intervals, a single section of separated air passage 73 comprises a main air passage 731 and a plurality of separated air passages 732 which are integrally formed, the plurality of separated air passages 732 are communicated and connected with the main air passage 731, in a preferred scheme of the embodiment, the number of the plurality of separated air passages 732 is two, the two separated air passages 732 are communicated and connected with the main air passage 731, atomized compressed air introduced from the air inlet pipe 71 enters the air injection pipe 72 and then is sprayed out from the air injection openings of the air injection pipe 72, and the atomized compressed air is uniformly sprayed out from the four separated air.
In this embodiment, still include and advance gluey subassembly, advance gluey subassembly and locate and be used for advancing gluey on the lateral wall of valve body 1, advance gluey subassembly and include into rubber tube 61, be equipped with out gluey runner 5 in the valve body 1, go out gluey runner 5 and advance rubber tube 61 through connection, the glue solution gets into out gluey runner 5 from advancing rubber tube 61, jets out from some glue ports 11 at last.
The working principle of the invention is as follows: according to the glue dispensing amount, the gap between the rod part 312 and the piston 32 is adjusted through the differential head body 31, the air inlet pipe 33 is used for air inlet and jacking the piston 32 to drive the valve needle 2 to move upwards, the glue dispensing opening 11 is opened to start glue dispensing, meanwhile, atomized compressed air is introduced into the air inlet pipe 7133 and is sprayed out from the air spraying opening, at this time, the air inlet pipe 33 is used for air inlet and finishing, the spring a34 and the spring b4 are reset to drive the valve needle 2 to move downwards, the glue dispensing rate is accelerated, the atomized compressed air is uniformly sprayed out from the four air distributing passages 732 through the main air passage.
The invention has the beneficial effects that: the dispensing part is provided with the air injection part, and the atomized compressed air is uniformly sprayed out through the air injection part, so that the atomization uniformity is ensured to the maximum extent.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. The utility model provides a pneumatic spraying valve of trace, its characterized in that includes valve body and the jet-propelled subassembly of atomizing, the valve body includes the point portion of gluing, the jet-propelled subassembly of atomizing includes air inlet portion and jet-propelled portion, air inlet portion with the valve body link up, and jet-propelled portion is located in the point portion of gluing to realize even jet-propelled.
2. A micro-pneumatic aerosol valve as claimed in claim 1, wherein: the dispensing part comprises a dispensing opening and a profiling outer cover, and the profiling outer cover is detachably arranged on the dispensing opening.
3. A micro-pneumatic aerosol valve as claimed in claim 1, wherein: the air injection part comprises a multi-section separated air passage which is arranged on the side wall of the glue dispensing opening.
4. A micro-pneumatic aerosol valve as claimed in claim 3, wherein: the single-section separated air passage comprises a main air passage and a plurality of air dividing passages which are integrally formed, and the air dividing passages are communicated with the main air passage.
5. A micro-pneumatic aerosol valve as claimed in claim 1, wherein: the air inlet portion comprises an air inlet pipe and an air injection pipe, the air inlet pipe is arranged on the side wall of the valve body and is in through connection with the air injection pipe, and an air injection port of the air injection pipe faces the multi-section separation type air passage.
6. A micro-pneumatic aerosol valve as claimed in claim 1, wherein: the valve needle is arranged in the valve body, and the pneumatic differential head assembly is arranged at one end of the valve body and used for adjusting the axial movement distance of the valve needle so as to change the dispensing amount.
7. A micro-pneumatic aerosol valve as claimed in claim 6, wherein: the pneumatic differential head assembly comprises a differential head body, a piston and an air inlet pipe, the piston is arranged in the valve body, the air inlet pipe is arranged on the side wall of the valve body and is communicated with the piston, a gap is formed between the piston and the differential head body, and an adjusting knob is arranged on the differential head body to adjust the gap between the differential head body and the piston.
8. A micro-pneumatic aerosol valve as claimed in claim 6, wherein: the pneumatic differential head assembly comprises a spring a, the differential head body is provided with an integrally formed rod part, a gap is reserved between the rod part and a piston, the rod part is sleeved with the spring a and connected with the piston, the piston is connected with a valve needle, the air inlet pipe is used for air inlet and jacking the piston to drive the valve needle to move upwards to open the dispensing opening, and the spring a is reset to drive the valve needle to move downwards to close the dispensing opening.
9. A micro-pneumatic aerosol valve as claimed in claim 6, wherein: and a spring b is arranged between the valve needle and the dispensing opening.
10. A micro-pneumatic aerosol valve as claimed in claim 1, wherein: still including advancing gluey subassembly, be equipped with out the gluey runner in the valve body, advance gluey subassembly including advancing the rubber tube, advance the rubber tube and go out gluey runner through connection.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020167129 | 2020-02-13 | ||
| CN2020201671292 | 2020-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111889311A true CN111889311A (en) | 2020-11-06 |
Family
ID=73189819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010717441.9A Pending CN111889311A (en) | 2020-02-13 | 2020-07-23 | Micro-pneumatic spray valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111889311A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201482679U (en) * | 2009-07-21 | 2010-05-26 | 深圳市轴心自控技术有限公司 | Spraying valve |
| CN102527580A (en) * | 2012-03-09 | 2012-07-04 | 深圳市轴心自控技术有限公司 | Full-automatic high-speed online non-contact bottom filling machine |
| CN103857474A (en) * | 2011-09-02 | 2014-06-11 | 岛田机械合同会社 | Valve for ejecting small amount of liquid material and capable of being assembled and disassembled without use of tool |
| CN204093671U (en) * | 2014-09-19 | 2015-01-14 | 铜陵富仕三佳机器有限公司 | A kind of atomizing glue dispensing valve |
| CN205797544U (en) * | 2016-07-02 | 2016-12-14 | 苏州横远微控技术有限公司 | Spraying system |
| CN206184690U (en) * | 2016-10-03 | 2017-05-24 | 东莞市雅弘自动化设备有限公司 | Spray type dispensing valve |
| CN206184624U (en) * | 2016-10-03 | 2017-05-24 | 东莞市雅弘自动化设备有限公司 | Accurate spray valve |
| CN109290134A (en) * | 2018-11-26 | 2019-02-01 | 深圳市博锐自动化设备有限公司 | A kind of ejector pin type glue dispensing valve |
| EP2589437B1 (en) * | 2011-11-01 | 2019-10-23 | Focke & Co. (GmbH & Co. KG) | Method for detecting failures and for recording the valve stroke of a glue valve |
-
2020
- 2020-07-23 CN CN202010717441.9A patent/CN111889311A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201482679U (en) * | 2009-07-21 | 2010-05-26 | 深圳市轴心自控技术有限公司 | Spraying valve |
| CN103857474A (en) * | 2011-09-02 | 2014-06-11 | 岛田机械合同会社 | Valve for ejecting small amount of liquid material and capable of being assembled and disassembled without use of tool |
| EP2589437B1 (en) * | 2011-11-01 | 2019-10-23 | Focke & Co. (GmbH & Co. KG) | Method for detecting failures and for recording the valve stroke of a glue valve |
| CN102527580A (en) * | 2012-03-09 | 2012-07-04 | 深圳市轴心自控技术有限公司 | Full-automatic high-speed online non-contact bottom filling machine |
| CN204093671U (en) * | 2014-09-19 | 2015-01-14 | 铜陵富仕三佳机器有限公司 | A kind of atomizing glue dispensing valve |
| CN205797544U (en) * | 2016-07-02 | 2016-12-14 | 苏州横远微控技术有限公司 | Spraying system |
| CN206184690U (en) * | 2016-10-03 | 2017-05-24 | 东莞市雅弘自动化设备有限公司 | Spray type dispensing valve |
| CN206184624U (en) * | 2016-10-03 | 2017-05-24 | 东莞市雅弘自动化设备有限公司 | Accurate spray valve |
| CN109290134A (en) * | 2018-11-26 | 2019-02-01 | 深圳市博锐自动化设备有限公司 | A kind of ejector pin type glue dispensing valve |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201106 |
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| RJ01 | Rejection of invention patent application after publication |