CN113803273A - Alloy aluminum impeller with staggered blade distribution structure - Google Patents
Alloy aluminum impeller with staggered blade distribution structure Download PDFInfo
- Publication number
- CN113803273A CN113803273A CN202111221205.9A CN202111221205A CN113803273A CN 113803273 A CN113803273 A CN 113803273A CN 202111221205 A CN202111221205 A CN 202111221205A CN 113803273 A CN113803273 A CN 113803273A
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- Prior art keywords
- blade
- impeller
- distribution structure
- staggered
- cylinder
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- 239000000956 alloy Substances 0.000 title claims abstract description 28
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 23
- 238000009826 distribution Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims description 10
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000035939 shock Effects 0.000 abstract description 6
- 239000000725 suspension Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
- F04D17/168—Pumps specially adapted to produce a vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an alloy aluminum impeller with a staggered blade distribution structure, which comprises a base station, wherein the middle part of the upper end surface of the base station is fixedly connected with a cylinder, a main blade and an auxiliary blade are arranged on the outer side of the cylinder, and the inner cavity of the cylinder is fixedly connected with a rotating shaft through a locking mechanism. The alloy aluminum impeller with the staggered blade distribution structure solves the problems of high quality, high manufacturing cost and poor shock resistance of the impeller in the conventional magnetic suspension vacuum pump.
Description
Technical Field
The invention relates to the technical field of fluid machinery, in particular to an alloy aluminum impeller with a staggered blade distribution structure.
Background
The traditional vacuum pump adopts a mechanical bearing for supporting, is restricted by the friction of the mechanical bearing and the vibration of a rotor, can only operate at a low rotating speed, and has low power density and low efficiency. In industrial application such as high rotating speed, high energy density and the like, a multi-stage speed increasing mechanism is required, so that the system is huge, the energy consumption is high, the reliability is poor, and the noise pollution and the oil pollution are serious. The high-speed vacuum pump supported by the magnetic bearing eliminates friction and wear, does not need lubrication, has the advantages of high power density, small volume, light weight, quick response and the like, and can effectively improve the system efficiency and has obvious energy-saving effect. Therefore, the magnetic suspension vacuum pump is an ideal updating product for saving energy and reducing consumption in the industry, and has wide application space.
The impeller is used as a core pneumatic rotating part of the magnetic suspension vacuum pump, and needs to bear larger centrifugal force and pressure in a working state, and the efficiency of the impeller is influenced by thermal deformation caused by high-speed fluid friction. The existing mainstream magnetic suspension vacuum pump impeller can be divided into an aluminum alloy impeller and a titanium alloy impeller according to different materials, wherein the aluminum alloy impeller and the titanium alloy impeller are mainly made of high-strength aluminum alloy materials, have good machining performance and light weight, but have low mechanical strength and are easy to rub and wear in a high-speed working process; the latter has high mechanical strength, good bearing impact performance, but heavier mass, higher requirement on the performance of the magnetic bearing and higher price of the titanium alloy, thus leading to the increase of the production cost of enterprises. The present application thus proposes an alloy aluminum impeller with a staggered blade distribution structure to address such issues.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an alloy aluminum impeller with a staggered blade distribution structure, which solves the problems of high quality, high manufacturing cost and poor shock resistance of the impeller in the existing magnetic suspension vacuum pump.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides an alloy aluminum impeller with staggered blade distribution structure, includes the base station, base station up end middle part fixedly connected with cylinder, the cylinder outside is provided with main blade and auxiliary blade, the cylinder inner chamber passes through locking mechanism and pivot fixed connection.
Preferably, the main blades are fixedly connected with the base platform, and at least 10 groups of the main blades are arranged on the base platform in an annular array.
Preferably, the auxiliary blades are fixedly connected with the base, and at least 10 groups of the auxiliary blades are arranged on the base in an annular array.
Preferably, the main blade and the auxiliary blade are distributed on the base platform in an staggered manner, and the longitudinal height of the main blade is 2 times that of the auxiliary blade.
Preferably, the transverse length of the main blade is 1.5 times of that of the auxiliary blade, a first inclined plane is arranged on the main blade, and a second inclined plane is arranged on the auxiliary blade.
Preferably, the slope angle of the first inclined plane is 135 degrees.
Preferably, the slope angle of the second inclined plane is 130 degrees.
Preferably, the main blade and the auxiliary blade are made of aluminum alloy, and the base station and the cylinder are made of titanium alloy.
Preferably, locking mechanism includes locking screw, first gasket, second gasket and lock nut, terminal surface fixedly connected with locking screw before the pivot, the base station rear end face is provided with the second gasket, the terminal surface is provided with first gasket before the cylinder, the anterior threaded connection of locking screw lateral wall has lock nut.
Preferably, the locking screw is connected with the first gasket, the second gasket, the column body and the base platform in a penetrating manner.
Advantageous effects
The invention provides an alloy aluminum impeller with a staggered blade distribution structure. The method has the following beneficial effects:
(1) this alloy aluminum impeller with staggered blade distribution structure, the bank angle through first inclined plane is 135 degrees, the bank angle on second inclined plane is 130 degrees to whole device has realized carrying out the optimal design to the structure of main blade and auxiliary blade, can reach the purpose that reduces the resistance of admitting air, increase exit area, improvement impeller work efficiency, thereby improves the wholeness ability of pump effectively.
(2) This alloy aluminium impeller with staggered blade distribution structure, be the aluminum alloy material through main blade and auxiliary blade material, the base station is the titanium alloy material with the cylinder, both improved whole device shock resistance and reliability at the during operation, effectively alleviate impeller weight again, reduction in production cost, the practicality of whole device has been improved, with first gasket, the second gasket, the base station runs through the locking screw rod with the cylinder and places back on the locking screw rod, it can make the impeller keep fixed to rotate lock nut, the operating stability of whole device in the use has been ensured.
Drawings
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic front view of the present invention;
fig. 4 is a schematic diagram of a disassembled structure of the locking mechanism of the present invention.
In the figure: 1. a base station; 2. a cylinder; 3. a main blade; 31. a first inclined plane; 4. a secondary blade; 41. a second inclined plane; 5. a locking mechanism; 51. locking the screw rod; 52. a first gasket; 53. a second gasket; 54. a lock nut; 6. a rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
an alloy aluminum impeller with a staggered blade distribution structure comprises a base platform 1, a cylinder 2 is fixedly connected to the middle of the upper end face of the base platform 1, a main blade 3 and an auxiliary blade 4 are arranged on the outer side of the cylinder 2, the inner cavity of the cylinder 2 is fixedly connected with a rotating shaft 6 through a locking mechanism 5, the main blade 3 is fixedly connected with the base platform 1, at least 10 groups of main blades 3 are arranged on the base platform 1 in an annular array, the auxiliary blade 4 is fixedly connected with the base platform 1, at least 10 groups of auxiliary blades 4 are arranged on the base platform 1 in an annular array, the main blade 3 and the auxiliary blades 4 are staggered on the base platform 1, the longitudinal height of the main blade 3 is 2 times of the longitudinal height of the auxiliary blade 4, the transverse length of the main blade 3 is 1.5 times of the transverse length of the auxiliary blade 4, a first inclined plane 31 is arranged on the main blade 3, a second inclined plane 41 is arranged on the auxiliary blade 4, the first inclined plane 31 is 135 degrees, and the second inclined plane 41 is 130 degrees, the main blade 3 and the auxiliary blade 4 are made of aluminum alloy, the base platform 1 and the cylinder 2 are made of titanium alloy, the locking mechanism 5 comprises a locking screw 51, a first gasket 52, a second gasket 53 and a locking nut 54, the front end face of the rotating shaft 6 is fixedly connected with the locking screw 51, the rear end face of the base platform 1 is provided with the second gasket 53, the front end face of the cylinder 2 is provided with the first gasket 52, the front part of the outer side wall of the locking screw 51 is in threaded connection with the locking nut 54, and the locking screw 51 is in threaded connection with the first gasket 52, the second gasket 53, the cylinder 2 and the base platform 1. The slope angle through the first inclined plane 31 is 135 degrees and the slope angle through the second inclined plane 41 is 130 degrees, thereby the whole device realizes the optimized design of the structure of the main blade 3 and the auxiliary blade 4, can achieve the purposes of reducing air inlet resistance, increasing outlet area and improving the working efficiency of the impeller, thereby effectively improving the overall performance of the pump, the main blade 3 and the auxiliary blade 4 are made of aluminum alloy, the base platform 1 and the cylinder 2 are made of titanium alloy, thereby not only improving the shock resistance and the reliability of the whole device during working, but also effectively reducing the weight of the impeller, lowering the production cost and improving the practicability of the whole device, after the first gasket 52, the second gasket 53, the base platform 1 and the cylinder 2 penetrate through the locking screw 51 and are placed on the locking screw 51, the impeller can be kept fixed by rotating the locking nut 54, and the running stability of the whole device in use is ensured.
When in operation, the slope angle of the first inclined plane 31 is 135 degrees, the slope angle of the second inclined plane 41 is 130 degrees, thereby the whole device realizes the optimized design of the structure of the main blade 3 and the auxiliary blade 4, can achieve the purposes of reducing air inlet resistance, increasing outlet area and improving the working efficiency of the impeller, thereby effectively improving the overall performance of the pump, the main blade 3 and the auxiliary blade 4 are made of aluminum alloy, the base platform 1 and the cylinder 2 are made of titanium alloy, thereby not only improving the shock resistance and the reliability of the whole device during working, but also effectively reducing the weight of the impeller, lowering the production cost and improving the practicability of the whole device, after the first gasket 52, the second gasket 53, the base platform 1 and the cylinder 2 penetrate through the locking screw 51 and are placed on the locking screw 51, the impeller can be kept fixed by rotating the locking nut 54, and the running stability of the whole device in use is ensured. The whole alloy aluminum impeller with the staggered blade distribution structure is made of aluminum alloy through the main blades 3 and the auxiliary blades 4, the base station 1 and the cylinder 2 are made of titanium alloy, and the production cost of the whole device is saved while the shock resistance is guaranteed to be high.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an alloy aluminium impeller with staggered blade distribution structure, includes base station (1), its characterized in that: base station (1) up end middle part fixedly connected with cylinder (2), the cylinder (2) outside is provided with main blade (3) and auxiliary blade (4), cylinder (2) inner chamber passes through locking mechanism (5) and pivot (6) fixed connection.
2. The alloy aluminum impeller with staggered blade distribution structure of claim 1, wherein: the main blades (3) are fixedly connected with the base platform (1), and at least 10 groups of the main blades (3) are arranged on the base platform (1) in an annular array mode.
3. The alloy aluminum impeller with staggered blade distribution structure of claim 1, wherein: the auxiliary blades (4) are fixedly connected with the base platform (1), and the auxiliary blades (4) are not less than 10 groups in an annular array on the base platform (1).
4. The alloy aluminum impeller with staggered blade distribution structure of claim 1, wherein: the main blades (3) and the auxiliary blades (4) are distributed on the base platform (1) in a staggered mode, and the longitudinal height of the main blades (3) is 2 times of that of the auxiliary blades (4).
5. The alloy aluminum impeller with staggered blade distribution structure of claim 1, wherein: the transverse length of the main blade (3) is 1.5 times of the transverse length of the auxiliary blade (4), a first inclined plane (31) is arranged on the main blade (3), and a second inclined plane (41) is arranged on the auxiliary blade (4).
6. The alloy aluminum impeller with staggered blade distribution structure of claim 5, wherein: the slope angle of the first inclined plane (31) is 135 degrees.
7. The alloy aluminum impeller with staggered blade distribution structure of claim 5, wherein: the slope angle of the second inclined plane (41) is 130 degrees.
8. The alloy aluminum impeller with staggered blade distribution structure of claim 1, wherein: the main blade (3) and the auxiliary blade (4) are made of aluminum alloy materials, and the base platform (1) and the cylinder (2) are made of titanium alloy materials.
9. The alloy aluminum impeller with staggered blade distribution structure of claim 1, wherein: locking mechanism (5) are including locking screw (51), first gasket (52), second gasket (53) and lock nut (54), terminal surface fixedly connected with locking screw (51) before pivot (6), base station (1) rear end face is provided with second gasket (53), the terminal surface is provided with first gasket (52) before cylinder (2), the anterior threaded connection of locking screw (51) lateral wall has lock nut (54).
10. The alloy aluminum impeller with staggered blade distribution according to claim 9, wherein: the locking screw (51) is in penetrating connection with the first gasket (52), the second gasket (53), the cylinder (2) and the base platform (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111221205.9A CN113803273A (en) | 2021-10-20 | 2021-10-20 | Alloy aluminum impeller with staggered blade distribution structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111221205.9A CN113803273A (en) | 2021-10-20 | 2021-10-20 | Alloy aluminum impeller with staggered blade distribution structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113803273A true CN113803273A (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111221205.9A Pending CN113803273A (en) | 2021-10-20 | 2021-10-20 | Alloy aluminum impeller with staggered blade distribution structure |
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| Country | Link |
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| CN (1) | CN113803273A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0441934A (en) * | 1990-06-04 | 1992-02-12 | Nissan Motor Co Ltd | Balance correction method of resin impeller |
| CN201610855U (en) * | 2010-02-23 | 2010-10-20 | 武汉康华粮机厂 | Centrifugal ventilator |
| CN102518602A (en) * | 2011-12-29 | 2012-06-27 | 中联重科股份有限公司 | Centrifugal fan impeller and centrifugal fan |
| US20160273545A1 (en) * | 2013-12-11 | 2016-09-22 | Mitsubishi Heavy Industries, Ltd. | Rotational body and method for manufacturing the same |
| CN207920910U (en) * | 2017-02-17 | 2018-09-28 | 日本电产株式会社 | Air-supply arrangement |
| CN110439855A (en) * | 2019-09-04 | 2019-11-12 | 盐城工业职业技术学院 | A kind of centrifugal blower applied to air conditioning for automobiles ventilating system |
| CN110630536A (en) * | 2018-06-22 | 2019-12-31 | 雷勃美国公司 | Fan and electromechanical assembly and method thereof |
| JP2020076330A (en) * | 2018-11-05 | 2020-05-21 | 日本電産株式会社 | Blower device |
| CN212643161U (en) * | 2020-05-08 | 2021-03-02 | 江苏冠顺电机有限公司 | Impeller and three-phase asynchronous motor using same |
| CN113007132A (en) * | 2021-04-16 | 2021-06-22 | 山东天瑞重工有限公司 | Combined three-dimensional flow impeller |
-
2021
- 2021-10-20 CN CN202111221205.9A patent/CN113803273A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0441934A (en) * | 1990-06-04 | 1992-02-12 | Nissan Motor Co Ltd | Balance correction method of resin impeller |
| CN201610855U (en) * | 2010-02-23 | 2010-10-20 | 武汉康华粮机厂 | Centrifugal ventilator |
| CN102518602A (en) * | 2011-12-29 | 2012-06-27 | 中联重科股份有限公司 | Centrifugal fan impeller and centrifugal fan |
| US20160273545A1 (en) * | 2013-12-11 | 2016-09-22 | Mitsubishi Heavy Industries, Ltd. | Rotational body and method for manufacturing the same |
| CN207920910U (en) * | 2017-02-17 | 2018-09-28 | 日本电产株式会社 | Air-supply arrangement |
| CN110630536A (en) * | 2018-06-22 | 2019-12-31 | 雷勃美国公司 | Fan and electromechanical assembly and method thereof |
| JP2020076330A (en) * | 2018-11-05 | 2020-05-21 | 日本電産株式会社 | Blower device |
| CN110439855A (en) * | 2019-09-04 | 2019-11-12 | 盐城工业职业技术学院 | A kind of centrifugal blower applied to air conditioning for automobiles ventilating system |
| CN212643161U (en) * | 2020-05-08 | 2021-03-02 | 江苏冠顺电机有限公司 | Impeller and three-phase asynchronous motor using same |
| CN113007132A (en) * | 2021-04-16 | 2021-06-22 | 山东天瑞重工有限公司 | Combined three-dimensional flow impeller |
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