CN215566945U - Multistage honeycomb type efficient vacuum generator - Google Patents
Multistage honeycomb type efficient vacuum generator Download PDFInfo
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- CN215566945U CN215566945U CN202120106793.0U CN202120106793U CN215566945U CN 215566945 U CN215566945 U CN 215566945U CN 202120106793 U CN202120106793 U CN 202120106793U CN 215566945 U CN215566945 U CN 215566945U
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Abstract
The utility model discloses a multi-stage honeycomb type efficient vacuum generator which comprises a generator body, wherein an energy storage cavity is arranged at the front part of the generator body, a vacuum cavity is arranged in the middle of the generator body, a collecting cavity is arranged at the rear part of the generator body, a plurality of nozzles are arranged at the front part of the vacuum cavity and are honeycomb-shaped, air inlets of the nozzles penetrate through the energy storage cavity, stepped vacuum diffusion nozzles are arranged at the rear parts of air outlets of the nozzles at intervals, an air outlet at the end part of a rear end diffusion cavity of each stepped vacuum diffusion nozzle is communicated with the collecting cavity arranged at the rear part of the generator body, a main air outlet is arranged at the rear part of the collecting cavity, a control valve plate is horizontally arranged in the energy storage cavity, and a plurality of partition plates are horizontally arranged in the vacuum cavity in the height direction; the air inlet valve has the advantages of compact structure, novel and unique thought, high safety performance, flexible negative pressure regulation, simple integrated design and installation, simplicity and conciseness in operation, high reliability, no rotating equipment, no control system, no maintenance, low maintenance cost, small volume, light weight and convenience in installation, and air is introduced from the front end and exhausted from the rear end.
Description
Technical Field
The utility model relates to the technical field of vacuum generators, in particular to a pneumatic vacuum recovery device taking a high-pressure air source as a power source, and particularly relates to a multi-stage honeycomb type efficient vacuum generator.
Background
The vacuum generator is a novel, efficient, clean, economic and small vacuum component which utilizes a positive pressure air source to generate negative pressure, so that the negative pressure can be obtained easily and conveniently in a place with compressed air or in a place needing the positive and negative pressure in a pneumatic system. Vacuum generators are widely used in industrial automation in the fields of machinery, electronics, packaging, printing, plastics, robots, and the like.
Most of the existing vacuum generation technologies are electric vacuum, even though various fans are driven by a motor to generate vacuum, explosion-proof design needs to be carried out on site, the system is rotating equipment, the continuous operation time is short, frequent maintenance is needed, the continuous operation time of the fans is about 2 years, the replacement and maintenance cost of spare parts is high, the occupied area is large, and the device is heavy.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the existing problems and provides a multi-stage honeycomb type efficient vacuum generator.
The utility model is realized by the following technical scheme: a multi-stage honeycomb type high-efficiency vacuum generator comprises a generator body, wherein an energy storage cavity is arranged at the front part of the generator body, a vacuum cavity is arranged in the middle of the generator body, a collecting cavity is arranged at the rear part of the generator body, a plurality of nozzles are arranged at the front part of the vacuum cavity and are honeycomb-shaped, air inlets of the nozzles penetrate through the energy storage cavity, stepped vacuum diffusion nozzles are arranged at intervals at the rear parts of air outlets of the nozzles, an air outlet at the end part of a rear end diffusion cavity of each stepped vacuum diffusion nozzle is communicated with the collecting cavity arranged at the rear part of the generator body, a main air outlet is arranged at the rear part of the collecting cavity, a control valve plate is horizontally arranged in the energy storage cavity, and a plurality of partition plates are horizontally arranged in the vacuum cavity in the height direction;
the front part of the stepped vacuum diffusion nozzle is provided with a primary diffusion cavity with a small inlet end and a large outlet end, the tail part of the stepped vacuum diffusion nozzle is smoothly connected with a secondary diffusion cavity with the front end being in equal diameter and the rear end being expanded, and the tail part of the secondary diffusion cavity is smoothly connected with the front end of the diffusion cavity.
As a further improvement to the above scheme, the control valve plate is provided with an adjusting valve rod, the outer end of the adjusting valve rod penetrates through the generator body, and the outer end of the adjusting valve rod is provided with a handle.
As a further improvement of the scheme, the primary diffusion cavity is arranged at the front part of the stepped vacuum diffusion nozzle, the front end of the primary diffusion cavity is provided with a reducing cavity with a small front part and a large rear part, and the reducing cavity is integrally connected with an equal-diameter cavity at the rear end.
As a further improvement to the above scheme, the secondary diffusion cavity is arranged in the middle of the stepped vacuum diffusion nozzle, the front end of the secondary diffusion cavity is connected with the rear end of the primary diffusion cavity, and the rear end of the secondary diffusion cavity is provided with a reducer cavity with a small front part and a large rear part.
As a further improvement of the scheme, the diffusion cavity is arranged at the rear part of the stepped vacuum diffusion nozzle and is divided into three sections, the inner aperture of the front section of the diffusion cavity is the same as that of the rear end of the secondary diffusion cavity, the middle section of the diffusion cavity is provided with a bell mouth with a small front end and a large rear end, and the inner aperture of the rear section of the diffusion cavity is the same as that of the bell mouth of the middle section.
As a further improvement to the scheme, the air outlet of the nozzle is communicated with the spacing area and the vacuum cavity between the stepped vacuum diffusion nozzles.
As a further improvement of the scheme, the multistage honeycomb type efficient vacuum generator adjusts the required vacuum degree of equipment by adjusting the pressure range of compressed air and/or adjusting the number of working spray pipes on the premise of ensuring the vacuum pressure, firstly, factory compressed air is used as a power source, the compressed air is most stable in a factory, the function of adjusting the pressure range and the suction capacity can be realized only by setting adjusting valves at the inlets of the spray pipes to change the working number of the honeycomb spray pipes, and the required vacuum degree and the required vacuum capacity of the equipment can be obtained through the two modes.
Compared with the prior art, the utility model has the following advantages: the novel multi-stage honeycomb high-efficiency vacuum pump has the advantages of compact structure, novel and unique thought, air inlet at the front end and air exhaust at the rear end, high safety performance, flexible negative pressure regulation, simple integrated design and installation, simplicity and conciseness in operation, high reliability, no rotating equipment and no control system, no maintenance during use, low maintenance cost, no requirement on the design of explosion-proof equipment on site, highest safety, capability of effectively and flexibly regulating the safe negative pressure required by the equipment, high reliability, small volume, light weight, convenience in installation, quick vacuum establishment and high vacuum degree.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal cross-sectional structure of the present invention.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-2, a multi-stage honeycomb high-efficiency vacuum generator comprises a generator body 1, wherein an energy storage cavity 2 is arranged at the front part of the generator body 1, a vacuum cavity 10 is arranged in the middle of the generator body, a collecting cavity 8 is arranged at the rear part of the generator body, a plurality of nozzles 5 are arranged at the front part of the vacuum cavity 10 and are honeycomb-shaped, air inlets of the nozzles 5 penetrate through the energy storage cavity 2, stepped vacuum diffusion nozzles 6 are arranged at the rear parts of air outlets of the nozzles 5 at intervals, an air outlet at the end part of a rear end diffusion cavity 13 of the stepped vacuum diffusion nozzle 6 is communicated with the collecting cavity 8 arranged at the rear part of the generator body 1, a total air outlet 9 is arranged at the rear part of the collecting cavity 8, a control valve plate 3 is horizontally arranged in the energy storage cavity 2, and a plurality of partition plates 7 are horizontally arranged in the vacuum cavity 10 in the height direction;
the front part of the stepped vacuum diffusion nozzle 6 is provided with a primary diffusion cavity 11 with a small inlet end and a large outlet end, the tail part of the stepped vacuum diffusion nozzle is smoothly connected with a secondary diffusion cavity 12 with the front end being equal in diameter and the rear end being expanded, and the tail part of the secondary diffusion cavity 12 is smoothly connected with the front end of a diffusion cavity 13.
As a further improvement of the scheme, the control valve plate 3 is provided with an adjusting valve rod 4, the outer end of the adjusting valve rod 4 penetrates through the generator body 1, and the outer end of the adjusting valve rod 4 is provided with a handle.
As a further improvement to the above scheme, the primary diffusion chamber 11 is disposed at the front of the stepped vacuum diffusion nozzle 6, and the front end of the primary diffusion chamber 11 is provided with a reducing chamber with a small front part and a large rear part, and is integrally connected with an equal diameter chamber at the rear end.
As a further improvement to the above scheme, the secondary diffusion cavity 12 is arranged in the middle of the stepped vacuum diffusion nozzle 6, the front end of the secondary diffusion cavity 12 is connected with the rear end of the primary diffusion cavity 11, and the rear end of the secondary diffusion cavity 12 is provided with a reducing cavity with a small front part and a large rear part.
As a further improvement of the above scheme, the diffusion chamber 13 is disposed at the rear of the stepped vacuum diffusion nozzle 6, the diffusion chamber 13 is divided into three sections, the inner aperture of the front section of the diffusion chamber is the same as the inner aperture of the rear end of the secondary diffusion chamber 12, the middle section of the diffusion chamber is provided with a bell mouth with a small front end and a large rear end, and the inner aperture of the rear section of the diffusion chamber is the same as the large bell mouth of the middle section.
As a further improvement to the scheme, the air outlet of the nozzle 5 is communicated with the spacing area between the stepped vacuum diffusion nozzles and the vacuum cavity 10.
As a further improvement of the scheme, the multistage honeycomb type efficient vacuum generator adjusts the required vacuum degree of equipment by adjusting the pressure range of compressed air and/or adjusting the number of working spray pipes on the premise of ensuring the vacuum pressure, firstly, factory compressed air is used as a power source, the compressed air is most stable in a factory, the function of adjusting the pressure range and the suction capacity can be realized only by setting adjusting valves at the inlets of the spray pipes to change the working number of the honeycomb spray pipes, and the required vacuum degree and the required vacuum capacity of the equipment can be obtained through the two modes.
As a further improvement to the above scheme, the working principle of the multistage honeycomb high-efficiency vacuum generator of the present application is that the multistage honeycomb nozzle 5 is used to simultaneously spray compressed air entering the stepped vacuum diffusion nozzle 6 at a high speed, and a high-speed jet flow is formed at the outlet of the multistage honeycomb nozzle 5, so as to generate entrainment flow; under the high-efficiency entrainment effect, air around the outlet of the multi-stage honeycomb nozzle 5 is continuously pumped away, so that the pressure in the pumping vacuum chamber is reduced to be below the atmospheric pressure, and a certain vacuum degree is formed; the gas after doing work is exhausted through an exhaust port;
compressed air enters an energy storage cavity 2 at the front end of the vacuum generator body through a compressed air main inlet 1, and a multistage vacuum generator with matched power is selected according to the vacuum degree required by equipment; compressed air enters an inlet N1-1-N1-N of the stepped vacuum diffusion nozzle 6 through the multi-stage honeycomb nozzle 5, and high-speed jet flow is formed in a front-section smooth cavity 10 of the stepped vacuum diffusion nozzle 6, so that entrainment flow is generated; under the high-efficiency entrainment effect, the pressure in the suction vacuum cavity 10 is reduced to be lower than the atmospheric pressure, and the secondary pressure expansion cavity 4 forms a certain vacuum degree; finally, the gas is discharged through a plurality of exhaust ports N2-1-N2-N by reducing the speed of the diffusion cavity 6, the vacuum degree in the suction vacuum cavity 10 of the stepped vacuum diffusion nozzle 6 is converged to a convergence cavity 8, namely the vacuum degree required by the equipment, and finally the gas is discharged through a total exhaust port 9;
if the required vacuum degree of equipment is too high or the allowance is too large, the working quantity of the multistage honeycomb nozzle is adjusted by adjusting the control valve plate 3.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A multi-stage honeycomb type high-efficiency vacuum generator comprises a generator body and is characterized in that an energy storage cavity is arranged at the front part of the generator body, a vacuum cavity is arranged in the middle of the generator body, a collecting cavity is arranged at the rear part of the generator body, a plurality of nozzles are arranged at the front part of the vacuum cavity and are honeycomb-shaped, air inlets of the nozzles penetrate through the energy storage cavity, stepped vacuum diffusion nozzles are arranged at the rear parts of air outlets of the nozzles at intervals, an air outlet at the end part of a rear end diffusion cavity of each stepped vacuum diffusion nozzle is communicated with the collecting cavity arranged at the rear part of the generator body, a main air outlet is arranged at the rear part of the collecting cavity, a control valve plate is horizontally arranged in the energy storage cavity, and a plurality of partition plates are horizontally arranged in the vacuum cavity in the height direction;
the front part of the stepped vacuum diffusion nozzle is provided with a primary diffusion cavity with a small inlet end and a large outlet end, the tail part of the stepped vacuum diffusion nozzle is smoothly connected with a secondary diffusion cavity with the front end being in equal diameter and the rear end being expanded, and the tail part of the secondary diffusion cavity is smoothly connected with the front end of the diffusion cavity.
2. The multi-stage honeycomb high-efficiency vacuum generator as claimed in claim 1, wherein the control valve plate is provided with an adjusting valve rod, the outer end of the adjusting valve rod penetrates through the generator body, and the outer end of the adjusting valve rod is provided with a handle.
3. The multi-stage honeycomb high-efficiency vacuum generator as claimed in claim 1, wherein the primary diffusion chamber is disposed in front of the stepped vacuum diffusion nozzle, and the front end of the primary diffusion chamber is provided with a tapered chamber with a small front end and a large rear end, and is integrally connected with a constant diameter chamber at the rear end.
4. The multi-stage honeycomb high-efficiency vacuum generator as claimed in claim 1, wherein the secondary diffusion chamber is disposed in the middle of the stepped vacuum diffusion nozzle, and the front end of the secondary diffusion chamber is connected to the rear end of the primary diffusion chamber, and the rear end of the secondary diffusion chamber is disposed with a tapered chamber having a small front and a large rear.
5. The multi-stage honeycomb high-efficiency vacuum generator according to claim 1, wherein the diffusion chamber is disposed at the rear of the stepped vacuum diffusion nozzle, the diffusion chamber is divided into three sections, the inner aperture of the front section is the same as the inner aperture of the rear end of the second-stage diffusion chamber, the middle section is provided with a bell mouth with a small front end and a large rear end, and the inner aperture of the rear section is the same as the large bell mouth of the middle section.
6. The multi-stage honeycomb high efficiency vacuum generator as claimed in claim 1, wherein the outlet of said nozzle is connected to the vacuum chamber and the spacing region between the stepped vacuum diffuser nozzles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120106793.0U CN215566945U (en) | 2021-01-15 | 2021-01-15 | Multistage honeycomb type efficient vacuum generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120106793.0U CN215566945U (en) | 2021-01-15 | 2021-01-15 | Multistage honeycomb type efficient vacuum generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215566945U true CN215566945U (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120106793.0U Active CN215566945U (en) | 2021-01-15 | 2021-01-15 | Multistage honeycomb type efficient vacuum generator |
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| Country | Link |
|---|---|
| CN (1) | CN215566945U (en) |
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2021
- 2021-01-15 CN CN202120106793.0U patent/CN215566945U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220413 Address after: 100000 1206, block 2, floor 11, building 1, No. 101, Shaoyaoju Beili, Chaoyang District, Beijing Patentee after: Beijing Paragon Electromechanical Equipment Co.,Ltd. Address before: 233400 No.6 Longteng Road, Huaiyuan Economic Development Zone, Bengbu City, Anhui Province Patentee before: Anhui Jiurun Intelligent Equipment Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220808 Address after: 233400 No.6 Longteng Road, Huaiyuan Economic Development Zone, Bengbu City, Anhui Province Patentee after: Anhui Jiurun Intelligent Equipment Co.,Ltd. Address before: 100000 1206, block 2, floor 11, building 1, No. 101, Shaoyaoju Beili, Chaoyang District, Beijing Patentee before: Beijing Paragon Electromechanical Equipment Co.,Ltd. |
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| TR01 | Transfer of patent right |