CN103949370A - Vortex scattering ultrasonic wave spray head - Google Patents
Vortex scattering ultrasonic wave spray head Download PDFInfo
- Publication number
- CN103949370A CN103949370A CN201410187358.XA CN201410187358A CN103949370A CN 103949370 A CN103949370 A CN 103949370A CN 201410187358 A CN201410187358 A CN 201410187358A CN 103949370 A CN103949370 A CN 103949370A
- Authority
- CN
- China
- Prior art keywords
- shell
- transducer
- turbine
- air inlet
- spray nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
- B05B17/0623—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers coupled with a vibrating horn
- B05B17/063—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers coupled with a vibrating horn having an internal channel for supplying the liquid or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
Abstract
The invention provides a vortex scattering ultrasonic wave spray head which comprises a transducer, a casing front cover, a casing rear cover, an electric joint, an air inlet and a draft chamber casing, wherein the transducer is connected with the casing rear cover; the casing front cover covers outside the transducer and is connected with the casing rear cover. According to the vortex scattering ultrasonic wave spray head, the draft chamber casing is connected with the casing front cover, a turbine-shaped gear is arranged between the front end rod of the transducer and the draft chamber casing and a circle of inclined turbine teeth is arranged on the outer periphery of the turbine gear. The air inlet is a through hole formed in the side surface of the draft chamber casing and the position of the air inlet is higher than that of the turbine gear.
Description
Affiliated technical field
The present invention relates to a kind of ultrasonic spraying device, particularly relate to the ultrasonic spraying shower nozzle that a kind of spray area is larger, belong to liquid spray field.
Background technology
Along with the development of nano material technology, it is all the more extensive that the application of nanoscale film becomes, as: transparent conductive film, every optical thin film, anti-fingerprint film, nano-catalytic agent film etc.Therefore the industrialization demand of nanoscale film preparation also increases day by day.Traditional method for manufacturing thin film has two fluid sprayings, rotary spraying, vacuum evaporation, serigraphy, sputter etc.Two fluid sprayings are owing to producing based on gases at high pressure and liquid the atomizing spraying that kinetic energy carries out, so can cause a large amount of wastes of coating.Rotary spraying during due to substrate High Rotation Speed large quantity of fluid can be thrown out of, vacuum evaporation is because a large amount of liquid vapours can be deposited on the place beyond furnace wall and workpiece, serigraphy is because a large amount of liquid coatings can be trapped on silk screen, so above 4 kinds of surface treatment modes all can cause a large amount of wastage of material, coating efficiency is very low.And because the atomizing particle of two fluids sprayings is inhomogeneous and the uncontrollability of spraying flow, rotary spraying core is different from brim-portion thickness, the flow uncontrollability of vacuum evaporation, the silk screen precision of serigraphy, the film equality that causes these 4 kinds of surface treatment modes to make is poor.And two fluid sprayings, rotary spraying and serigraphy are all difficult to realize the film preparation of nano-precision.The mode of sputter is by the particle of atomic level, target to be sprayed one by one and realizes coating, although the mode of sputter can realize very high accuracy and uniformly film, but it carries out owing to requiring under vacuum or special atmosphere environment, thereby the cost of film preparation is improved greatly, greatly reduce preparation efficiency, and be difficult to realize larger area film preparation.
Ultrasonic atomization spraying method (the patent No.: 2013205313376) be applied in the preparation of nanoscale film as a kind of new technique, this technology increases by ultrasonic variable amplitude bar hyperacoustic amplitude that ultrasonic transducer sends, the liquid or solid particle suspension liquid that viscosity is larger can be atomized, and by the Compressed Gas that applies particular orientation, liquid mist evenly be sprayed.Ultrasonic atomization sprays to have and sprays even, the controlled advantage of flow, and can realize under normal temperature and pressure environment and prepare film, makes the large-scale production of nanoscale film become possibility.But during for large-area thin film coatings, need fog-spray nozzle to realize as much as possible maximum spraying swath to improve spray efficiency.Adopt the ultrasonic spray nozzle of this technology, the spraying of the larger fabric width of very difficult realization, thus in large-area thin film coatings application, be restricted carrying out.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is to realize the ultrasonic spray nozzle of large spraying swath width, thereby improves the efficiency of large area film spraying.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides a kind of vortex scattering type ultrasonic spray nozzle, it comprises transducer, shell protecgulum, shell bonnet, electrical connector, air inlet, airflow chamber's shell, described transducer is connected with shell bonnet, and shell protecgulum covers on outside transducer and is connected with shell bonnet.Airflow chamber's shell of described vortex scattering type ultrasonic spray nozzle is connected with shell protecgulum, the turbine teeth that have a turbine-like gear, this turbine top circle to have a circle to tilt between transducer front end bar and airflow chamber's shell.It is air inlet that there is a through hole described airflow chamber's shell side, and air inlet position is higher than turbine gear.
The gradient of described turbine teeth is between 20 °-60 °.
Described turbine gear by a cylinder-like structure through transducer front end bar and be fixed on transducer and airflow chamber's shell.
The inner side first half of described shell is circular cone tubular structure, and taper seat angle is 60 °-170 °.
Described air inlet diameter is D, and turbine gear upper surface is h apart from the height at air inlet center, h>0.5D.
Described transducer comprises transducer rear end, piezoelectric vibrator group, electrode weld tabs and transducer front end, and the electrode of piezoelectric vibrator group is drawn by electrode weld tabs.Piezoelectric vibrator group is coaxially enumerated and is formed by the circular piezoelectric ceramic piece of even number, and with parallel way electrical connection, a piezoelectric vibrator group wherein utmost point is electrically connected with transducer front end and transducer rear end.Transducer front end is structurally sequentially divided into atomization end, front end bar, middle-end bar and rear end bar and feed liquor port five parts.The rear end bar of transducer front end is connected with connecting rod with transducer rear end through piezoelectric vibrator group, electrode weld tabs.
When work, liquid enters from feed liquor port, flows to atomization end face be atomized by the clear opening in transducer.Pass into Compressed Gas at air inlet port simultaneously, the cylindrical one that Compressed Gas flows through turbo tooth wheel encloses the gap of inclination turbine teeth, thereby form the air whirl of rotation, air whirl flows out in the gap in atomization end and shell circular hole exit, and the eddy current of ejection drives the liquid mist being atomized coning to spread ejection.
(3) beneficial effect
Adopt vortex scattering type ultrasonic spray nozzle according to technical solution of the present invention, spraying liquid can be sprayed with the form diffusion of circular cone, thereby the spraying swath width of ultrasonic spray nozzle is improved, significantly improve the efficiency of thin film coatings.And the air whirl producing by turbine gear also can time atomization uniform liquid distribute, the film that makes to be sprayed on surface of the work is more even.
Brief description of the drawings:
Fig. 1 is the 3D entity schematic diagram of vortex scattering type ultrasonic spray nozzle of the present invention;
Fig. 2 is the 3D profile of vortex scattering type ultrasonic spray nozzle of the present invention;
Fig. 3 is the section of structure of transducer in vortex scattering type ultrasonic spray nozzle of the present invention;
Fig. 4 is the section of structure of airflow chamber's shell in vortex scattering type ultrasonic spray nozzle of the present invention;
Fig. 5 is the 3D entity schematic diagram of turbine gear in vortex scattering type ultrasonic spray nozzle of the present invention.
Detailed description of the invention:
As depicted in figs. 1 and 2, the invention discloses a kind of vortex scattering type ultrasonic spray nozzle, it comprises transducer 1, shell protecgulum 2, shell bonnet 3, airflow chamber's shell 4 and turbine gear 5.Described transducer 1 is connected with shell bonnet 3, shell protecgulum 2 covers on outside transducer 1 and is connected with shell bonnet 3, shell bonnet 3 rear sides are connected with electrical port 31, and airflow chamber's shell 4 covers on outside transducer 1 and is connected with shell protecgulum 2, the turbine teeth that turbine gear 5 cylindricals have a circle to tilt.Described airflow chamber shell 4 inner side first halfs are circular cone tubular structure, it is air inlet port 41 that there is a through hole side, air inlet port 41 positions are higher than turbine gear, and its front end face centre bit is equipped with a circular hole outlet, and the atomization end 11a of transducer front end 11 is positioned at this circular hole exit.The tail end of transducer 11 is feed liquor port 11f, and a clear opening 11e is run through in transducer 1 central shaft position.
As shown in Figure 3, described transducer 1 comprises transducer rear end 12, piezoelectric vibrator group 13, electrode weld tabs 14 and transducer front end 11, and the electrode of piezoelectric vibrator group 13 is drawn by electrode weld tabs 14.Piezoelectric vibrator group 13 is coaxially enumerated and is formed by 2 circular piezoelectric ceramic pieces, and with parallel way electrical connection, a piezoelectric vibrator group 13 wherein utmost point is electrically connected with transducer front end 11 and transducer rear end 12.Transducer front end 11 is structurally sequentially divided into atomization end 11a, front end bar 11b, middle-end bar 11c, rear end bar 11d and feed liquor port 11f five parts.The rear end bar 11d of transducer front end 11 is connected with shell bonnet 3 with transducer rear end 12 through piezoelectric vibrator group 13, electrode weld tabs 14.
As shown in Fig. 4 and Fig. 2, the inner side first half of airflow chamber's shell 4 is circular cone tubular structure, and taper seat angle is 80 °.It is air inlet port 41 that there is a through hole airflow chamber's shell side, and air inlet port 41 center is to the height h>0.5D of the upper surface 51 of turbine gear 5, and D is the diameter of air inlet port 41.
As shown in Figure 5, described turbine gear 5 by a cylinder-like structure 53 through transducer front end bar 11b and be fixed on transducer 1 and airflow chamber's shell 4.The turbine teeth that turbine top circle has a circle to tilt, the teeth face 52 of turbine gear 5 is 55 ° with the angle of the upper surface 51 of turbine gear 5, the gradient of turbine teeth is 55 °.
When work, liquid enters from feed liquor port 32, flows to atomization end face 11a be atomized by the clear opening 11e in transducer 1.Pass into Compressed Gas at air inlet port 33 simultaneously, the cylindrical one that Compressed Gas flows through turbo tooth wheel 5 encloses the gap of inclination turbine teeth, thereby form the air whirl of rotation, air whirl flows out in the gap in atomization end 11a and airflow chamber's shell 4 circular hole exits, and the eddy current of ejection drives the liquid mist being atomized coning to spread ejection.
Claims (5)
1. a vortex scattering type ultrasonic spray nozzle, it comprises transducer, shell protecgulum, shell bonnet, electrical connector, air inlet, airflow chamber's shell, and described transducer is connected with shell bonnet, and shell protecgulum covers on outside transducer and is connected with shell bonnet; It is characterized in that: airflow chamber's shell of described vortex scattering type ultrasonic spray nozzle is connected with shell protecgulum the turbine teeth that have a turbine-like gear, this turbine top circle to have a circle to tilt between transducer front end bar and airflow chamber's shell; It is air inlet that there is a through hole described airflow chamber's shell side, and air inlet position is higher than turbine gear.
2. vortex scattering type ultrasonic spray nozzle according to claim 1, is characterized in that: the gradient of described turbine teeth is between 20 °-60 °.
3. vortex scattering type ultrasonic spray nozzle according to claim 1, is characterized in that: described turbine gear by a cylinder-like structure through transducer front end bar and be fixed on transducer and airflow chamber's shell.
4. vortex scattering type ultrasonic spray nozzle according to claim 1, is characterized in that: described airflow chamber enclosure is taper cone barrel shape, and taper seat angle angle is 60 °-170 °.
5. vortex scattering type ultrasonic spray nozzle according to claim 1, is characterized in that: described air inlet diameter is D, turbine gear upper surface is h apart from the height at air inlet center, h>0.5D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187358.XA CN103949370A (en) | 2014-05-05 | 2014-05-05 | Vortex scattering ultrasonic wave spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410187358.XA CN103949370A (en) | 2014-05-05 | 2014-05-05 | Vortex scattering ultrasonic wave spray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103949370A true CN103949370A (en) | 2014-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410187358.XA Pending CN103949370A (en) | 2014-05-05 | 2014-05-05 | Vortex scattering ultrasonic wave spray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103949370A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174511A (en) * | 2014-08-14 | 2014-12-03 | 北京东方金荣超声电器有限公司 | Ultrasonic spray-drying nozzle |
| CN109331205A (en) * | 2018-10-26 | 2019-02-15 | 深圳美特优科技有限公司 | A kind of indoor sterilizing equipment |
| CN110181406A (en) * | 2019-06-28 | 2019-08-30 | 东北大学 | A kind of polishing fluid ultrasound sprinkling atomising device |
| CN110202459A (en) * | 2018-10-26 | 2019-09-06 | 杭州潇楠科技有限公司 | A kind of modified high density plate material derusting device |
| CN111229507A (en) * | 2020-03-24 | 2020-06-05 | 杭州驰飞超声波设备有限公司 | Non-woven fabrics ultrasonic spraying machine |
| CN112453414A (en) * | 2020-11-26 | 2021-03-09 | 杭州嘉振超声波科技有限公司 | Ultrasonic metal powder making method |
| CN114100942A (en) * | 2021-12-30 | 2022-03-01 | 北京科技大学 | Ultrasonic atomizing nozzle for forming rectangular spraying section |
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| CN1086157A (en) * | 1992-09-15 | 1994-05-04 | 戈雷·桑德霍姆 | Nozzle |
| CN2445821Y (en) * | 2000-08-23 | 2001-09-05 | 牛喜华 | Nozzle of water mist gun |
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| CN203494705U (en) * | 2013-08-29 | 2014-03-26 | 咸威 | Ultrasonic spraying device for atomizing viscous liquid and suspension |
| CN203791115U (en) * | 2014-05-05 | 2014-08-27 | 北京东方金荣超声电器有限公司 | Vortex scattering type ultrasonic sprayer |
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2014
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Patent Citations (11)
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| SU485780A1 (en) * | 1973-04-09 | 1975-09-30 | Ultrasonic nozzle | |
| US4316580A (en) * | 1979-07-13 | 1982-02-23 | Sontek Industries, Inc. | Apparatus for fragmenting fluid fuel to enhance exothermic reactions |
| CN1037286A (en) * | 1987-12-30 | 1989-11-22 | 多瑙化学和食物制品商业公司 | Vniversal spraying nozzle |
| CN1086157A (en) * | 1992-09-15 | 1994-05-04 | 戈雷·桑德霍姆 | Nozzle |
| CN2445821Y (en) * | 2000-08-23 | 2001-09-05 | 牛喜华 | Nozzle of water mist gun |
| CN101932877A (en) * | 2007-11-19 | 2010-12-29 | 喷雾系统公司 | Ultrasonic atomizing nozzle with cone-spray feature |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104174511A (en) * | 2014-08-14 | 2014-12-03 | 北京东方金荣超声电器有限公司 | Ultrasonic spray-drying nozzle |
| CN109331205A (en) * | 2018-10-26 | 2019-02-15 | 深圳美特优科技有限公司 | A kind of indoor sterilizing equipment |
| CN110202459A (en) * | 2018-10-26 | 2019-09-06 | 杭州潇楠科技有限公司 | A kind of modified high density plate material derusting device |
| CN110181406A (en) * | 2019-06-28 | 2019-08-30 | 东北大学 | A kind of polishing fluid ultrasound sprinkling atomising device |
| CN110181406B (en) * | 2019-06-28 | 2023-05-26 | 东北大学 | Ultrasonic polishing solution spraying and atomizing device |
| CN111229507A (en) * | 2020-03-24 | 2020-06-05 | 杭州驰飞超声波设备有限公司 | Non-woven fabrics ultrasonic spraying machine |
| CN112453414A (en) * | 2020-11-26 | 2021-03-09 | 杭州嘉振超声波科技有限公司 | Ultrasonic metal powder making method |
| CN112453414B (en) * | 2020-11-26 | 2023-01-24 | 杭州嘉振超声波科技有限公司 | Ultrasonic metal powder making method |
| CN114100942A (en) * | 2021-12-30 | 2022-03-01 | 北京科技大学 | Ultrasonic atomizing nozzle for forming rectangular spraying section |
| CN114100942B (en) * | 2021-12-30 | 2023-02-24 | 北京科技大学 | Ultrasonic atomizing nozzle for forming rectangular spraying section |
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| PB01 | Publication | ||
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Application publication date: 20140730 |