CN203791115U - Vortex scattering type ultrasonic sprayer - Google Patents
Vortex scattering type ultrasonic sprayer Download PDFInfo
- Publication number
- CN203791115U CN203791115U CN201420226714.XU CN201420226714U CN203791115U CN 203791115 U CN203791115 U CN 203791115U CN 201420226714 U CN201420226714 U CN 201420226714U CN 203791115 U CN203791115 U CN 203791115U
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- shell
- transducer
- type ultrasonic
- scattering type
- turbine
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- Expired - Lifetime
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- 239000007921 spray Substances 0.000 claims description 26
- 238000005507 spraying Methods 0.000 description 19
- 239000010408 film Substances 0.000 description 15
- 239000007788 liquid Substances 0.000 description 13
- 238000000889 atomisation Methods 0.000 description 10
- 239000007789 gas Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000009501 film coating Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000007738 vacuum evaporation Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 230000003666 anti-fingerprint Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Special Spraying Apparatus (AREA)
Abstract
A vortex scattering type ultrasonic sprayer comprises a transducer, a housing front cover, a housing rear cover, an electrical connector, an air inlet and an air current chamber housing, wherein the transducer is connected with the housing rear cover, and the housing front cover covers the transducer and is connected with the housing rear cover. According to the vortex scattering type ultrasonic sprayer, the air current chamber housing is connected with the housing front cover, a turbine gear is arranged between a front end rod of the transducer and the air current chamber housing, a circle of inclined turbine gear teeth are arranged on the outer circle of the turbine gear, a through hole is formed in the side face of the air current chamber housing and is the air inlet, and the position of the air inlet is higher than that of the turbine gear.
Description
Affiliated technical field
The utility model relates to a kind of ultrasonic spraying device, particularly relates to the ultrasonic spraying shower nozzle that a kind of spray area is larger, belongs 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 furnace wall and workpiece place in addition, 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 that the particle by atomic level sprays one by one and realizes coating target, 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 applying the Compressed Gas of 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 problems to be solved in the utility model 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 utility model 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, between transducer front end Gan Yu airflow chamber shell, has a turbine-like gear, the turbine teeth that this turbine top circle has a circle to tilt.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 between.
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 is electrically connected to parallel way, and a piezoelectric vibrator group wherein utmost point is electrically connected to 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.
During work, liquid enters from feed liquor port, flows to atomization end face be atomized by the clear opening in transducer.At air inlet port, pass into Compressed Gas simultaneously, Compressed Gas flows through the gap of the cylindrical one circle inclination turbine teeth of turbo tooth wheel, 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
According to technical solutions of the utility model, adopt vortex scattering type ultrasonic spray nozzle, spraying liquid can be sprayed in the form diffusion with 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.
Accompanying drawing explanation:
Fig. 1 is the 3D entity schematic diagram of vortex scattering type ultrasonic spray nozzle of the present utility model;
Fig. 2 is the 3D profile of vortex scattering type ultrasonic spray nozzle of the present utility model;
Fig. 3 is the section of structure of transducer in vortex scattering type ultrasonic spray nozzle of the present utility model;
Fig. 4 is the section of structure of airflow chamber's shell in vortex scattering type ultrasonic spray nozzle of the present utility model;
Fig. 5 is the 3D entity schematic diagram of turbine gear in vortex scattering type ultrasonic spray nozzle of the present utility model.
The specific embodiment:
As depicted in figs. 1 and 2, the utility model 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 is electrically connected to parallel way, and a piezoelectric vibrator group 13 wherein utmost point is electrically connected to 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 between.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 °.
During work, liquid enters from feed liquor port 32, flows to atomization end face 11a be atomized by the clear opening 11e in transducer 1.At air inlet port 33, pass into Compressed Gas simultaneously, Compressed Gas flows through the gap of the cylindrical one circle inclination turbine teeth of turbo tooth wheel 5, thereby form the air whirl of rotation, air whirl flows out in the gap in atomization Duan11aYu airflow chamber 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 it is outer and be connected with shell bonnet that shell protecgulum covers on transducer; It is characterized in that: airflow chamber's shell of described vortex scattering type ultrasonic spray nozzle is connected with shell protecgulum having a turbine-like gear between transducer front end Gan Yu airflow chamber shell, the turbine teeth that this turbine top circle has a circle to tilt;
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 between.
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, and 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 |
|---|---|---|---|
| CN201420226714.XU CN203791115U (en) | 2014-05-05 | 2014-05-05 | Vortex scattering type ultrasonic sprayer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420226714.XU CN203791115U (en) | 2014-05-05 | 2014-05-05 | Vortex scattering type ultrasonic sprayer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203791115U true CN203791115U (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420226714.XU Expired - Lifetime CN203791115U (en) | 2014-05-05 | 2014-05-05 | Vortex scattering type ultrasonic sprayer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203791115U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949370A (en) * | 2014-05-05 | 2014-07-30 | 北京东方金荣超声电器有限公司 | Vortex scattering ultrasonic wave spray head |
| CN110420826A (en) * | 2019-07-30 | 2019-11-08 | 吕舒晗 | It is a kind of for generating the PZT (piezoelectric transducer) and its system of sound vortex wave beam |
-
2014
- 2014-05-05 CN CN201420226714.XU patent/CN203791115U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949370A (en) * | 2014-05-05 | 2014-07-30 | 北京东方金荣超声电器有限公司 | Vortex scattering ultrasonic wave spray head |
| CN110420826A (en) * | 2019-07-30 | 2019-11-08 | 吕舒晗 | It is a kind of for generating the PZT (piezoelectric transducer) and its system of sound vortex wave beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |