CN207509380U - Air knife apparatus - Google Patents
Air knife apparatus Download PDFInfo
- Publication number
- CN207509380U CN207509380U CN201721585732.7U CN201721585732U CN207509380U CN 207509380 U CN207509380 U CN 207509380U CN 201721585732 U CN201721585732 U CN 201721585732U CN 207509380 U CN207509380 U CN 207509380U
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- Prior art keywords
- air
- air knife
- secondary cavity
- nozzle
- knife apparatus
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Abstract
The utility model discloses a kind of air knife apparatus, including main body, the main chamber for being connected with high-pressure air source is provided in the main body, several nozzles as high-speed flow outflow are arranged in equal spacing with along the main body longitudinally, several secondary cavities equal with the volume of each nozzle connection respectively are additionally provided in the main body, it is independent mutually between the secondary cavity, each secondary cavity is connected by a gas control valve with main chamber room, and the pressure sensor for detecting wherein air pressure is additionally provided in each secondary cavity；Air knife apparatus using the above structure has the effect for effectively adjusting the air-flow ejection uniformity, and can also adjust the speed that nozzle 12 sprays air-flow according to demand, meets the needs of various working environments.
Description
Technical field
The utility model is related to the air knife of sheet air-flow is generated using compressed air more particularly to a kind of facilitates adjusting outlet
The air knife apparatus of the implication stream uniformity and air velocity.
Background technology
With the aggravation of global energy problem, people begin look for new regenerative resource, to substitute non-renewable energy resources
For used in people, and air can be used as a kind of love knot regenerative resource, be more and more included in research object using field.Gas
Knife, also referred to as air knife are a kind of typical cases to air energy, are one of most common drying equipments, are widely used in various
In industrial circle, for dedusting of blowing, liquid drying, cooling down are gone.Air knife structure generally includes air inlet, gas chamber and spray
Mouth etc., air inlet is usually located at bottom surface center or both sides, nozzle are generally at least a gap or at least row's small structure.One
As in the case of, it is high since air inlet is set to bottom surface center or both sides, air curtain flow velocity are unevenly distributed on air knife length direction
After pressure air enters air knife structure by air inlet, blown out from nozzle, band-like high-pressure injection is formed under the constraint of delivery nozzle shape
Air-flow, that is, air knife, but traditional air knife structure along its length on outlet air flow velocity, it is high, separate generally proximate to the position of air inlet
The position of air inlet is low, and so as to form the air knife of unimodal shape distribution, gas stream speed difference is more than 10%, in some special applications fields
It closes, high temperature compressed air method belt removal component waste and old circuit board technique is such as sprayed using air knife, it is desirable that each nozzle of air knife
Gas flow rate difference is less than 5%；Furthermore requirement of the different working environments to the gas flow rate of air knife nozzle is also different, is
The service efficiency of air knife is improved, the adjusting that air velocity is sprayed to the nozzle of air knife is also the demand in market.Traditional air knife without
Method meets this kind of needs.
Utility model content
The purpose of this utility model is to provide a kind of air knife apparatus, which provides one for each nozzle thereon
The air-flow of a flow velocity size equalization, and the flow velocity size for adjusting nozzle can be facilitated as needed.
To achieve these goals, the utility model discloses a kind of air knife apparatus, including including main body, are set in the main body
The main chamber for being connected with high-pressure air source is equipped with, is arranged in equal spacing with along the main body longitudinally several for high-speed flow
The nozzle of outflow is additionally provided with several secondary cavities equal with the volume of each nozzle connection respectively, institute in the main body
State independent mutually between secondary cavity, each secondary cavity is connected by a gas control valve with main chamber room, it is described each
The pressure sensor for detecting wherein air pressure is additionally provided in secondary cavity.
Compared with prior art, air knife apparatus disclosed in the utility model be provided in its main body respectively with each spray
The secondary cavity of mouth connection, after the high pressure gas from high-pressure air source enters main chamber, is respectively enterd each by gas control valve
Then secondary cavity is discharged via secondary cavity from nozzle, the setting of this secondary cavity causes high pressure gas to have one from main chamber to nozzle
A to gather buffering course, high pressure gas first fills up secondary cavity, then is discharged from nozzle, since the volume of each secondary cavity is equal
, then this secondary cavity just plays the role of compensating the uniformity of each nozzle discharge air-flow；In addition, due in each secondary chamber
The pressure sensor of detection gas pressure is additionally provided in room, when the gas pressure value in some secondary cavity is not in preset value
When, the gas control valve of the secondary cavity can be adjusted, to increase or reduce the air-flow velocity for entering the secondary cavity by main chamber, directly
Gas pressure value in the secondary cavity is equal to preset value, so as to reach the air-flow stream at the automatic adjustment each nozzle of air knife apparatus
The purpose of speed.
Preferably, the air knife apparatus further includes controller, the controller respectively with each gas control valve and
Pressure sensor in each secondary cavity is electrically connected, and controls the working condition of the gas control valve.
Preferably, the nozzle is integrally formed with the secondary cavity.
Preferably, the cavity of the secondary cavity is become narrow gradually from its bottom to the nozzle direction, the shape at the nozzle
Into a cutting-edge structure.
Preferably, main chamber room is connected by pressure valve with the high-pressure air source
Preferably, the gas control valve is solenoid valve.
Preferably, the nozzle is round or thin-and-long structure.
Preferably, it is coated with acoustic damping materials on the inner wall of the secondary cavity.
Description of the drawings
Fig. 1 is the cross-sectional view of the utility model embodiment air knife apparatus.
Fig. 2 is the control principle schematic diagram of the utility model embodiment air knife apparatus.
Specific embodiment
For technology contents, structure feature, realization principle and the objects and the effects of the utility model are described in detail, with
Lower combination embodiment simultaneously coordinates attached drawing to be explained in detail.
The utility model discloses a kind of air knife apparatus, as shown in Figure 1, including main body 1, setting is useful in the main body 1
In the main chamber 10 connected with high-pressure air source 2, it is arranged in equal spacing with along 1 longitudinally of main body several for high-speed flow stream
The nozzle 12 gone out is additionally provided with several secondary cavities equal with the volume that each nozzle 12 connects respectively in the main body 1
11, independent mutually between the secondary cavity 11, each secondary cavity 11 passes through a gas control valve 13 and main chamber room 10
It connects, the pressure sensor 14 for detecting wherein air pressure is additionally provided in each secondary cavity 11.
The course of work of air knife apparatus with above structure is：High pressure gas from high-pressure air source 2 enters main chamber
After 10, each secondary cavity 11 is respectively enterd by gas control valve 13, is then discharged via secondary cavity 11 from nozzle 12, this secondary chamber
The setting of room 11 causes high pressure gas from main chamber 10 to nozzle 12 there are one buffering course is gathered, into the high pressure of main chamber 10
Gas first fills up secondary cavity 11, then is discharged from nozzle 12, due to the volume of each secondary cavity 11 be it is equal, this secondary cavity 11
Setting just plays the role of compensating the uniformity that each nozzle 12 in main body 1 discharges air-flow.In addition, due in each secondary cavity
The pressure sensor 14 of detection gas pressure is additionally provided in 11, when the gas pressure value in some secondary cavity 11 is not in preset value
When interior, the gas control valve 13 of the secondary cavity 11 can be adjusted, the secondary cavity 11 is entered by main chamber 10 to increase or reduce
Air-flow velocity directly causes the gas pressure value in the secondary cavity 11 to be equal to preset value, so as to reach the every of automatic adjustment air knife apparatus
The purpose of air-flow velocity at a nozzle 12, to ensure the air-flow uniformity at all nozzles 12 below 5%.Moreover, according to
The demand of use environment, can also be by the air velocity of each nozzle 12 of 13 integrated regulation of gas control valve, to reach raising gas
The purpose of the service efficiency of knife system.
In order to improve the intelligent behaviour of the utility model air knife apparatus, the air knife apparatus of the utility model has further included control
Device 15, using PLC controller in the present embodiment, certainly, other kinds of controller 15 can also be used in those skilled in the art.Compared with
Good, the gas control valve 13 in the present embodiment is solenoid valve.Controller 15 and each solenoid valve and each pressure sensor 14
It is electrically connected.The pressure value that each secondary cavity 11 of preset requirement is reached first in controller 15, during work, positioned at each pair
Pressure sensor 14 in chamber 11 is by the atmospheric pressure value real-time Transmission in the secondary cavity 11 to controller 15, and controller 15 is by secondary chamber
The real-time pressure value of room 11 is made comparisons with preset value, and the flow-rate adjustment of solenoid valve is controlled according to comparison result.In addition, in this implementation
In example, main chamber 10 is connected by pressure valve 3 with high-pressure air source 2, increases the security performance used.
In another preferred embodiment of the utility model, nozzle 12 is with secondary cavity 11 using integrated formed structure, processing side
Just, and air-tightness is good, and circular configuration or thin-and-long structure may be used in nozzle 12, when using thin-and-long structure, passes through
Improve the air velocity at nozzle 12 can also cut paper, plank etc. by the air knife apparatus.In order to improve spray from structure
The fluency of air velocity and exhaust at mouth 12, the cavity of secondary cavity 11 is become narrow gradually from bottom to 12 direction of nozzle, in institute
One cutting-edge structure of formation at nozzle 12 is stated, can further improve the speed that air-flow is discharged in secondary cavity 11 in this way, and further
Improve effect of the secondary cavity 11 as surge chamber.
Further, in order to reduce the noise pollution of the utility model air knife apparatus, be coated on the inner wall of secondary cavity 11 by
Bath material.
The concrete structure and operation principle of the utility model air knife apparatus are described above by specific embodiment, in use
Stating the air knife apparatus of structure has the effect for effectively adjusting the air-flow ejection uniformity, and can also adjust nozzle 12 according to demand and spray
Go out the speed of air-flow, meet the needs of various working environments.
Above disclosed is only the preferred embodiments of the utility model, cannot limit the utility model with this certainly
Interest field, therefore equivalent variations made according to present utility model application the scope of the claims still fall within the utility model and are covered
Range.
Claims (8)
1. a kind of air knife apparatus, which is characterized in that including main body, the master for being connected with high-pressure air source is provided in the main body
Chamber is arranged in equal spacing with several nozzles as high-speed flow outflow along the main body longitudinally, is also set in the main body
It is equipped with several secondary cavities equal with the volume of each nozzle connection respectively, it is independent mutually between the secondary cavity, it is described
Each secondary cavity is connected by a gas control valve with main chamber room, is additionally provided with to detect it in each secondary cavity
The pressure sensor of middle air pressure.
2. air knife apparatus according to claim 1, which is characterized in that further include controller, the controller respectively with institute
It states each gas control valve and the pressure sensor in each secondary cavity is electrically connected, control the gas control valve
Working condition.
3. air knife apparatus according to claim 1, which is characterized in that the nozzle is integrally formed with the secondary cavity.
4. air knife apparatus according to claim 3, which is characterized in that the cavity of the secondary cavity is from its bottom to the spray
Mouth direction becomes narrow gradually, and a cutting-edge structure is formed at the nozzle.
5. air knife apparatus according to claim 1, which is characterized in that main chamber room passes through pressure valve and the high pressure gas
Source connects.
6. air knife apparatus according to claim 1, which is characterized in that the gas control valve is solenoid valve.
7. air knife apparatus according to claim 1, which is characterized in that the nozzle is round or thin-and-long structure.
8. air knife apparatus according to claim 1, which is characterized in that be coated with acoustic damping materials on the inner wall of the secondary cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721585732.7U CN207509380U (en) | 2017-11-23 | 2017-11-23 | Air knife apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721585732.7U CN207509380U (en) | 2017-11-23 | 2017-11-23 | Air knife apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207509380U true CN207509380U (en) | 2018-06-19 |
Family
ID=62540120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721585732.7U Active CN207509380U (en) | 2017-11-23 | 2017-11-23 | Air knife apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207509380U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107718165A (en) * | 2017-11-23 | 2018-02-23 | 深圳市共享能源技术有限公司 | Air knife apparatus |
| CN109943797A (en) * | 2019-04-30 | 2019-06-28 | 太仓巨仁光伏材料有限公司 | A kind of air knife for wide type photovoltaic welding belt |
| CN111097754A (en) * | 2019-12-31 | 2020-05-05 | 深圳迈迪科技有限公司 | Dust removal device and control method thereof |
| CN111203938A (en) * | 2020-01-09 | 2020-05-29 | 泰州海达塑胶包装有限公司 | Cutting device of bag making machine |
| CN109943797B (en) * | 2019-04-30 | 2024-04-26 | 太仓巨仁光伏材料有限公司 | Air knife for wide photovoltaic solder strip |
-
2017
- 2017-11-23 CN CN201721585732.7U patent/CN207509380U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107718165A (en) * | 2017-11-23 | 2018-02-23 | 深圳市共享能源技术有限公司 | Air knife apparatus |
| CN107718165B (en) * | 2017-11-23 | 2024-02-13 | 广州共享能源科技有限公司 | Air knife device |
| CN109943797A (en) * | 2019-04-30 | 2019-06-28 | 太仓巨仁光伏材料有限公司 | A kind of air knife for wide type photovoltaic welding belt |
| CN109943797B (en) * | 2019-04-30 | 2024-04-26 | 太仓巨仁光伏材料有限公司 | Air knife for wide photovoltaic solder strip |
| CN111097754A (en) * | 2019-12-31 | 2020-05-05 | 深圳迈迪科技有限公司 | Dust removal device and control method thereof |
| CN111203938A (en) * | 2020-01-09 | 2020-05-29 | 泰州海达塑胶包装有限公司 | Cutting device of bag making machine |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211216 Address after: 523000 01, No. 1, Zhenxi Road, Dalingshan Town, Dongguan City, Guangdong Province Patentee after: Xie Jieying Address before: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee before: SHENZHEN SHARE ENERGY TECHNOLOGY CO.,LTD. |