CN104324839B - The most focusing a kind of ultrasonic atomizatio shower nozzle - Google Patents
The most focusing a kind of ultrasonic atomizatio shower nozzle Download PDFInfo
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- CN104324839B CN104324839B CN201410648984.4A CN201410648984A CN104324839B CN 104324839 B CN104324839 B CN 104324839B CN 201410648984 A CN201410648984 A CN 201410648984A CN 104324839 B CN104324839 B CN 104324839B
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- Prior art keywords
- fluid injector
- ultrasonic atomizatio
- ultrasonic
- transducer
- face
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
Abstract
The open the most focusing a kind of ultrasonic atomizatio shower nozzle of the present invention；Solving the technical problem that: the atomizer for natural divergence form of the prior art there are disadvantages that, volume is big, the invalid liquid splash of centre bore, and relative air consumption is big, and maximum flow quantity is little, the nearly problem waited of spraying distance.The technical scheme taked, the most focusing a kind of ultrasonic atomizatio shower nozzle, including ultrasonic atomizatio transducer, air flue, fluid injector and shell；Ultrasonic atomizatio transducer is arranged in the enclosure, and fluid injector is fixedly installed on the lower section of shell by shock-absorbing support mechanism；Air flue is arranged on the centre of ultrasonic atomizatio transducer；Ultrasonic atomizatio transducer includes piezoelectric vibration heap and ultrasonic amplitude transformer；Piezoelectric vibration heap is arranged in the enclosure；Ultrasonic amplitude transformer is positioned at fluid injector；The bottom end face of ultrasonic amplitude transformer is atomising head end face；The nozzle liquid discharge ring of fluid injector is arranged around atomising head end face concentrically circulating type；The nozzle liquid entrance of fluid injector is arranged on the top of fluid injector.
Description
Technical field
The present invention relates to a kind of Ultrasonic spraying equipment, specifically one for precision spraying, spray printing, air brushing from
Right focusing ultrasonic atomizatio shower nozzle.
Background technology
Atomizing spraying is to utilize outside energy that liquid dispersion is become molecule, is reinjected in respective surfaces.In the market
Wide variety of spraying technology is pressure atomization and pneumatic atomizing spraying.Its major defect is owing to operating pressure is big, atomization
Grain jet velocity is fast, thus it is serious to splash, and stock utilization is low, seriously polluted, cleaning difficulty.Ultrasonic atomizatio be therefore and
A kind of flexible atomizing spraying technology grown up.It mainly utilizes ultrasonic vibration to make the liquid atomization, and then utilizes low-pressure gas
Form atomization bundle.Owing to air pressure is little, paint splash is few, and utilization rate is high, and controllability is good.Additionally, due to Under Ultrasonic Vibration
Dynamic effect, nozzle is not easily blocked, slurry good dispersion, and coating quality is good, is the spraying technology of a kind of precision.
The principle of ultrasonic atomizatio is as it is shown in figure 1, liquid forms liquid film after being transported to surface of ultrasonic transducer, and liquid film is ultrasonic
Form surface wave, crest and trough under the excitation of vibration to be alternately present, along with the amplitude of ultrasonic transducer is gradually increased, crest
Uprising, trough deepens, and after reaching specific threshold, surface wave UNSTABLE FAILURE, drop flies out from crest.The wavelength of surface wave
Close with frequency relation, usual frequency is the highest, and wavelength is the shortest, and drop size is the least.
In the middle of actual application, control coating quality and efficiency for improving, also can introduce shaping gas, to control atomization bundle
Profile and spraying distance.Therefore the atomizer of current practice mainly includes two parts, atomization transducer, Yi Jicheng
Shape gas spout.Typical atomizer is designed as the design of nature divergence form.In the middle of this design, atomization transducer has one
Centre bore, is atomized liquid and arrives transducer vibrations surface by centre bore, spread to vibration surface, as there is no gas effect,
Droplet trends towards divergence form or sector flies out.The generally peripheral annular gas spout that arranges of atomization transducer vibration head, so,
Atomization bundle is surrounded by gas.Thus under the effect of gas, form definite shape (with reference to Fig. 4).
The natural divergence form design wide application of ratio, but still there are disadvantages that, such as: volume is big, and centre bore is invalid
Liquid splash, relative air consumption is big, and maximum flow quantity is little, and spraying distance is near etc..
Summary of the invention
The technical problem to be solved is: there are some for the atomizer of natural divergence form of the prior art and lacks
Point, volume is big, the invalid liquid splash of centre bore, and relative air consumption is big, and maximum flow quantity is little, the nearly problem waited of spraying distance.
It is an object of the invention to, it is proposed that the most focusing a kind of ultrasonic atomizatio shower nozzle, this atomizer can be prevented effectively from
State shortcoming, improve accuracy and the high efficiency of atomizing spraying further.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
The most focusing a kind of ultrasonic atomizatio shower nozzle, including ultrasonic atomizatio transducer, air flue, fluid injector and shell；Described
Ultrasonic atomizatio transducer is arranged in the enclosure, and fluid injector is fixedly installed on the lower section of shell by shock-absorbing support mechanism；Described
Air flue is arranged on the centre of ultrasonic atomizatio transducer；
Described ultrasonic atomizatio transducer includes piezoelectric vibration heap and the ultrasonic amplitude transformer being connected with piezoelectric vibration heap；Described piezoelectricity shakes
Dynamic heap is arranged in the enclosure；Described ultrasonic amplitude transformer is positioned at fluid injector；The bottom end face of described ultrasonic amplitude transformer is atomization
End surface；
The nozzle liquid discharge ring of described fluid injector is arranged around atomising head end face concentrically circulating type；The nozzle liquid of fluid injector
Body entrance is arranged on the top of fluid injector；
The air flue entrance of described air flue is positioned at the top of shell, and air passage outlet is positioned at atomising head end face.
Improving further, the vibration velocity of described ultrasonic atomizatio transducer is more than 5m/s.
Improve further, the cross sectional shape that nozzle liquid outlet and the atomising head end face of described fluid injector is formed for circular or
Square or track type.
Heretofore described ultrasonic atomizatio transducer is ultrasonic atomizatio transducer of the prior art, its concrete structure this
Bright it is not described in detail.
Compared with prior art, it provides the benefit that the present invention:
1, volume is little, hand-holdable.
2, thin-walled atomization bundle, Pcnten-1 yne-4 is uniform；Atomization Shu Wending.
3, self-focusing design, spraying distance is remote, in the case of same gas-liquid flow, up to 1.5-2 times of divergence form design.
4, saving throughput, under the conditions of same nearly parallel atomization bundle, air consumption reduces nearly half.
5, liquid handling wide ranges, the ratio of the highest fluid flow and minimum flow, up to 180, is the design of nature focus type
More than 30 times.
6, nebulization efficiency is high, and in the case of same throughput, liquid atomization quantity is up to natural divergence form of the prior art
2-3 times of design.
7, compatible pneumatic nebulization, pure pneumatic type can operate, thus expands liquid handling amount.
To sum up, the most focusing ultrasonic atomizatio shower nozzle in the present invention is relative to natural divergence form of the prior art atomization spray
Head, can realize the Ultrasonic spraying of precise high-efficiency.
Accompanying drawing explanation
Fig. 1 is ultrasonic atomizatio principle schematic.
Fig. 2 is the structural representation of the most focusing ultrasonic atomizatio shower nozzle of the present embodiment.
Fig. 3 is the front view at the A in Fig. 2.
Fig. 4 is the working state figure of nature divergence form atomizer.
Fig. 5 is the working state figure of the most focusing ultrasonic atomizatio shower nozzle in embodiment.
Fig. 6 is micro-divergence form atomization bundle that the most focusing ultrasonic atomizatio shower nozzle in embodiment produces.
Fig. 7 is the parallel type atomization bundle that the most focusing ultrasonic atomizatio shower nozzle in embodiment produces.
Fig. 8 is the focus type atomization bundle that the most focusing ultrasonic atomizatio shower nozzle in embodiment produces.
Fig. 9 is that the nozzle liquid of fluid injector exports the circular cross-section schematic diagram formed with atomising head end face.
Figure 10 is that the nozzle liquid of fluid injector exports the square-section schematic diagram formed with atomising head end face.
Figure 11 is that the nozzle liquid of fluid injector exports the race track shaped cross-section schematic diagram formed with atomising head end face.
Figure 12 is the ultrasonic atomizatio transducer of integral structure design.
Figure 13 is the ultrasonic atomizatio transducer of split-type structural design.
Figure 14 is the structural representation of straight barrel type air flue.
Figure 15 is the structural representation of segmented air flue.
Figure 16 is the structural representation of interpolation type air flue.
In figure: 1, piezoelectric vibration heap, 2, ultrasonic amplitude transformer, 3, ultrasonic atomizatio transducer, 4, air flue, 5, air flue goes out
Mouthful, 6, atomising head end face, 7, nozzle liquid outlet, 8, fluid injector, 9, nozzle liquid entrance, 10, shell, 11,
Shock-absorbing support mechanism, 12, air flue entrance, 13, solid bar.
Detailed description of the invention
Below technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.
Understandable for making present disclosure become apparent from, do further below in conjunction with accompanying drawing 1-Figure 16 and detailed description of the invention
Describe.
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, to this
Invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, not
For limiting the present invention.
Embodiment:
Such as Fig. 2, for the structural representation of the present embodiment；The most focusing a kind of ultrasonic atomizatio shower nozzle, changes including ultrasonic atomizatio
Energy device 3, air flue 4, fluid injector 8 and shell 10.
Ultrasonic atomizatio transducer 3 includes piezoelectric vibration heap 1 and ultrasonic amplitude transformer 2.
Piezoelectric vibration heap 1, function produces ultrasonic vibration for utilizing inverse piezoelectric effect；Ultrasonic amplitude transformer 2, function is for amplifying piezoelectricity
The amplitude that heap produces.Piezoelectric vibration heap 1 and ultrasonic amplitude transformer 2 form ultrasonic atomizatio transducer 3.Ultrasonic mist in the present embodiment
Change the vibration velocity of transducer 3 more than 5m/s.
Ultrasonic atomizatio transducer 3 in the present embodiment is arranged in shell 10, and fluid injector 8 is fixed by shock-absorbing support mechanism 11
It is arranged on the lower section of shell 10；Air flue 4 is arranged on the centre of ultrasonic atomizatio transducer 3.
The air flue 4 in the middle of ultrasonic atomizatio transducer 3 in the present embodiment, to provide shaping gas, 12 is air flue entrance, and 5 are
Air passage outlet.
The effect of the shock-absorbing support mechanism 11 in the present embodiment is the vibration between isolation shell 10 and fluid injector 8, effectively
Prevent ultrasonic atomizatio transducer 3 from fluid injector 8 is produced impact.Shock-absorbing support mechanism 11 in this enforcement uses in prior art
Shock-absorbing support mechanism the most permissible, therefore the present embodiment is not further limited.
Ultrasonic atomizatio transducer 3 in the present embodiment includes piezoelectric vibration heap 1 and the ultrasonic amplitude transformer being connected with piezoelectric vibration heap 1
2；Piezoelectric vibration heap 1 is arranged in shell 10；Ultrasonic amplitude transformer 2 is positioned at fluid injector 8；The bottom end of ultrasonic amplitude transformer 2
Face is atomising head end face 6；The nozzle liquid outlet 7 of fluid injector 8 is arranged around atomising head end face 6 concentrically circulating type；Liquid
The nozzle liquid entrance 9 of nozzle 8 is arranged on the top of fluid injector 8；The air flue entrance 12 of air flue 4 is positioned at the top of shell 10,
Air passage outlet 5 is positioned at atomising head end face 6.
Fluid injector 8 in the present embodiment is for sealing cavity, and nozzle liquid outlet 7 is around atomising head end face 6 concentrically circulating type
Arrange；Nozzle liquid outlet 7 is concentric with atomising head end face 6.Fluid injector 8 in the present embodiment carries liquid for accommodating, and 9
For nozzle liquid entrance, 7 export for nozzle liquid.Fluid injector 8 can be fixed on shell 10 by modes such as screw threads.
The cross sectional shape that the nozzle liquid outlet 7 of the fluid injector 8 in the present embodiment is formed with atomising head end face 6 for circular or
Square or track type.As shown in Fig. 9,10,11.
As shown in Figure 4, it is the working state figure of nature divergence form atomizer.In figure, atomization bundle is solid cylindrical.As
Shown in Fig. 5, the working state figure of the present invention the most focusing ultrasonic atomizatio shower nozzle.In figure, atomization bundle is hollow cylinder.
The present embodiment is the most contrary with the design of natural divergence form atomizer of the prior art.Spray at the most focusing ultrasonic atomizatio
In Tou, liquid is flowed to ultrasonic atomizatio transducer center line by nozzle ring liquid outlet is natural, ultrasonic dual with gas
It is atomized under effect.
As shown in Fig. 6,7,8, the atomization bundle profile produced for the most focusing ultrasonic atomizatio shower nozzle.In use, adjustable
The big I of the throughput in solar term road 4 obtains the atomization bundles such as micro-divergence form, parallel type, and focus type.
The size of the air flue 4 in the present embodiment, can flexible modulation as required, for reducing gas consumption, it is recommended that use
0.01mm-2mm.For reducing air consumption further, the segmented air flue shown in Figure 15 and 16 and interpolation type air flue can be used.
In the middle of segmented air flue design, the different piece of air flue 4 has different cross-sectional areas, can be by reducing cross-sectional area
Method reduces air consumption.In the middle of the design of interpolation type air flue, in air flue 4, solid bar 13 cylinder such as grade is inserted air flue 4
Axial centerline, thus effectively reduce gas path cross sections amass；In this design of interpolation type air flue, gas becomes
Hollow cylindrical.
Ultrasonic atomizatio transducer 3 in the present embodiment, in actual processing, for convenience, its ultrasonic atomizatio transducing
Device 3 atomization end surface part and ultrasonic amplitude transformer 2 can use split type structure.Its atomising head end face part can use
The modes such as screw thread, welds, bonding are attached with ultrasonic amplitude transformer 2.As shown in Figures 12 and 13.
Although as it has been described above, represented and described the present invention with reference to specific preferred embodiment, but its shall not be construed as right
The restriction of the present invention self.Under the spirit and scope of the present invention premise defined without departing from claims, can to its
In form and in details, various changes can be made.
Claims (3)
1. the most focusing ultrasonic atomizatio shower nozzle, it is characterised in that include ultrasonic atomizatio transducer (3), air flue (4),
Fluid injector (8) and shell (10)；Described ultrasonic atomizatio transducer (3) is arranged in shell (10), fluid injector
(8) lower section of shell (10) it is fixedly installed on by shock-absorbing support mechanism (11)；Described air flue (4) is arranged on ultrasonic
The centre of atomization transducer (3)；
Described ultrasonic atomizatio transducer (3) includes piezoelectric vibration heap (1) and the ultrasonic change being connected with piezoelectric vibration heap (1)
Width bar (2)；Described piezoelectric vibration heap (1) is arranged in shell (10)；Described ultrasonic amplitude transformer (2) is positioned at liquid spray
In mouth (8)；The bottom end face of described ultrasonic amplitude transformer (2) is atomising head end face (6)；
Nozzle liquid outlet (7) of described fluid injector (8) is arranged around atomising head end face (6) concentrically circulating type；
The nozzle liquid entrance (9) of fluid injector (8) is arranged on the top of fluid injector (8)；
The air flue entrance (12) of described air flue (4) is positioned at the top of shell (10), and air passage outlet (5) is positioned at atomising head
End face (6).
2. the most focusing ultrasonic atomizatio shower nozzle as claimed in claim 1, the vibration of described ultrasonic atomizatio transducer (3)
Speed is more than 5m/s.
3. the most focusing ultrasonic atomizatio shower nozzle as claimed in claim 1, it is characterised in that described fluid injector (8)
The cross sectional shape that formed of nozzle liquid outlet (7) and atomising head end face (6) be circular or square or track type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648984.4A CN104324839B (en) | 2014-11-14 | 2014-11-14 | The most focusing a kind of ultrasonic atomizatio shower nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648984.4A CN104324839B (en) | 2014-11-14 | 2014-11-14 | The most focusing a kind of ultrasonic atomizatio shower nozzle |
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| Publication Number | Publication Date |
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| CN104324839A CN104324839A (en) | 2015-02-04 |
| CN104324839B true CN104324839B (en) | 2016-08-24 |
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| CN201410648984.4A Active CN104324839B (en) | 2014-11-14 | 2014-11-14 | The most focusing a kind of ultrasonic atomizatio shower nozzle |
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| FR3039257B1 (en) * | 2015-07-23 | 2017-08-04 | Valeo Systemes Thermiques | NEBULIZATION DEVICE AND METHOD FOR IMPLEMENTING SAID DEVICE |
| CN105642454B (en) * | 2015-12-31 | 2017-11-10 | 东北大学 | A kind of nozzle for vacuum winding spraying plated film |
| ITUB20160735A1 (en) * | 2016-02-15 | 2017-08-15 | Technoalpin Holding S P A | Nucleatore nozzle and method for the formation of freezing nuclei |
| CN106042646B (en) * | 2016-06-21 | 2018-01-02 | 祖海娇 | Integrated atomizing formula printing head |
| TWI626088B (en) * | 2016-10-12 | 2018-06-11 | 財團法人金屬工業研究發展中心 | Nozzle |
| CN106903996B (en) | 2017-03-09 | 2020-05-29 | 京东方科技集团股份有限公司 | Printing apparatus |
| JP6915498B2 (en) * | 2017-10-23 | 2021-08-04 | 東京エレクトロン株式会社 | Nozzle standby device, liquid treatment device, operation method of liquid treatment device, and storage medium |
| CN107899846A (en) * | 2017-11-21 | 2018-04-13 | 江西天祥通用航空股份有限公司 | A kind of ultrasonic atomizatio shower nozzle |
| US11571222B2 (en) | 2017-11-21 | 2023-02-07 | Qingdao university of technology | Neurosurgical ultrasonic focusing assisted three-stage atomization cooling and postoperative wound film forming device |
| CN111085382B (en) * | 2019-12-30 | 2021-06-11 | 北京航空航天大学 | Non-nozzle type spraying device |
| CN114932751B (en) * | 2022-06-08 | 2023-04-14 | 西北工业大学 | Device and method for ultrasonically focusing and spray-printing aerosol ink particles |
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| CN2460224Y (en) * | 2001-01-11 | 2001-11-21 | 古晋光 | Ultrasonic atomization nozzle structure of humidifier |
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