CN109458358A - A kind of antivibration molecular pump herringbone movable vane wheel - Google Patents
A kind of antivibration molecular pump herringbone movable vane wheel Download PDFInfo
- Publication number
- CN109458358A CN109458358A CN201910052350.5A CN201910052350A CN109458358A CN 109458358 A CN109458358 A CN 109458358A CN 201910052350 A CN201910052350 A CN 201910052350A CN 109458358 A CN109458358 A CN 109458358A
- Authority
- CN
- China
- Prior art keywords
- mandrel
- antivibration
- molecular pump
- pull cylinder
- movable vane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
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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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
-
- 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
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
-
- 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
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
Embodiment of the invention discloses a kind of antivibration molecular pump herringbone movable vane wheels, it is characterized in that, including mandrel, it is arranged rotor and pull cylinder on the mandrel, multiple chevron-type vanes are provided on the mandrel, the pull cylinder includes being separately positioned on the first pull cylinder and the second pull cylinder of the chevron-type vanes two sides.A kind of antivibration molecular pump provided in the embodiment of the present invention, by the configuration of setting chevron-type vanes and mandrel, rotor and pull cylinder, can be effectively improved pumping performance, pumping performance is doubled with herringbone movable vane wheel.
Description
Technical field
The present invention relates to technical field of vacuum equipment, and in particular to a kind of antivibration molecular pump herringbone movable vane wheel.
Background technique
Molecular pump is the pumping equipment of mainstream, is the critical component of analysis instrument.Portable instrument and vehicle-mounted instrument
Application environment it is very severe, not only pumping performance requires high, and vibrate with impact by force, the temperature difference it is big, molecular pump allows for
Bear very high ambient vibration.It is limited by volume, weight etc., existing antivibration molecular pump cannot take into account pumping performance and anti-vibration
Ability causes pumping performance insufficient and expensive, and delivery cycle is long, seriously constrains the sound development of domestic equipment.
Summary of the invention
To solve the above-mentioned problems in the prior art, the present invention provides a kind of antivibration molecular pump herringbone movable vanes
Wheel, which is characterized in that including mandrel, it is arranged rotor and pull cylinder on the mandrel,
Multiple chevron-type vanes are provided on the mandrel,
The pull cylinder includes being separately positioned on the first pull cylinder and the second pull cylinder of the chevron-type vanes two sides.
Optionally, blade interconnecting piece is provided in the middle part of the mandrel, the diameter of the blade interconnecting piece is greater than the core
Shaft diameter, multiple chevron-type vanes are circumferentially evenly distributed on the blade interconnecting piece, blade interconnecting piece and the mandrel
Coaxial arrangement.
Optionally, first pull cylinder and second pull cylinder are made of carbon fibre reinforced plastic.
Optionally, first pull cylinder and second pull cylinder and the mandrel are interference fitted.
Optionally, the rotor is bonded on the mandrel.
Optionally, chevron-type vanes both sides angle is 70 °~90 °
Optionally, projected along chevron-type vanes' normal direction, be overlapped length and chevron-type vanes' length ratio be 0.1~
0.2。
Optionally, the mandrel is made of 7 line aluminium alloys, and yield strength is higher than 450MPa.
Optionally, the mandrel surface roughness is lower than Ra0.8.
Optionally, the mandrel, the rotor and pull cylinder coaxial arrangement.
The utility model has the advantages that
A kind of antivibration molecular pump provided in the embodiment of the present invention with herringbone movable vane wheel by setting chevron-type vanes and
The configuration of mandrel, rotor and pull cylinder can effectively improve pumping performance, pumping performance is doubled.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the embodiment of antivibration molecular pump herringbone movable vane wheel of the invention.
Wherein:
1, mandrel；2, rotor；3, the first pull cylinder；4, the second pull cylinder；5, blade interconnecting piece；6, chevron-type vanes.
Specific embodiment
Technical solution of the present invention is described in detail below.
Embodiment 1
As shown in Figure 1, a kind of antivibration molecular pump herringbone movable vane wheel, including mandrel 1, the motor being set on the mandrel 1
Rotor 2 and pull cylinder,
Multiple chevron-type vanes 6 are provided on the mandrel 1,
The pull cylinder includes being separately positioned on the first pull cylinder 3 and the second pull cylinder 4 of 6 two sides of chevron-type vanes.
Further, the diameter of the rotor 2 is greater than 1 diameter of mandrel, and the rotor 2 is matched with stator
It closes, realizes rotation.
Further, multiple chevron-type vanes 6 circumferentially arrange, and when rotation to same position, the herringbone
Blade 6 towards identical.
Specifically, in the present embodiment, including 6 chevron-type vanes 6.
Further, the chevron-type vanes 6 include both sides, and both sides are connected
Further, first pull cylinder 3 is identical with the diameter of second pull cylinder 4.
Further, it is equipped with sleeve in first pull cylinder 3 and second pull cylinder 4, and passes through the sleeve set
It is located on the outer wall of the mandrel 1.
The middle part of the mandrel 1 is provided with blade interconnecting piece 5, and it is straight that the diameter of the blade interconnecting piece 5 is greater than the mandrel 1
Diameter, multiple chevron-type vanes 6 are circumferential to be evenly distributed on the blade interconnecting piece 5, blade interconnecting piece 5 and the mandrel 1
Coaxial arrangement.
Further, the mandrel 1, the blade interconnecting piece 5 and the chevron-type vanes 6 are integrally formed manufacture.
Further, 6 chevron-type vanes 6 are circumferentially uniformly arranged along the side wall of the blade interconnecting piece 5.
First pull cylinder 3 and second pull cylinder 4 are made of carbon fibre reinforced plastic.
First pull cylinder 3 and second pull cylinder 4 and the mandrel 1 are interference fitted.
The rotor 2 is bonded on the mandrel 1.
6 angle of chevron-type vanes is 70 °~90 °
Specifically, 6 angle of chevron-type vanes is 80 ° in the present embodiment.
Projected along 6 normal direction of chevron-type vanes, be overlapped length and 6 length ratio of chevron-type vanes be 0.1~
0.2。
Specifically, it is overlapped length in the present embodiment and 6 length ratio of chevron-type vanes is 0.15.
The mandrel 1 is made of 7 line aluminium alloys, and yield strength is higher than 450MPa.
Specifically, the yield strength of mandrel 1 described in the present embodiment is 460MPa.
1 surface roughness of mandrel is lower than Ra0.8.
Specifically, the surface roughness of mandrel 1 described in the present embodiment is Ra0.75.
The mandrel, the rotor and pull cylinder coaxial arrangement.
Further, the mandrel 1, the rotor 2 and first pull cylinder 3 and second pull cylinder 4 are same
Axis setting, the mandrel 1, the blade interconnecting piece 5 and the chevron-type vanes 6 are integrally formed manufacture.
A kind of antivibration molecular pump provided in the embodiment of the present invention passes through setting herringbone leaf with herringbone movable vane wheel
The configuration of piece 6 and mandrel 1, rotor 2 and pull cylinder can effectively improve pumping performance, pumping performance is doubled.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of antivibration molecular pump herringbone movable vane wheel, which is characterized in that including mandrel, be arranged motor on the mandrel
Rotor and pull cylinder,
Multiple chevron-type vanes are provided on the mandrel,
The pull cylinder includes being separately positioned on the first pull cylinder and the second pull cylinder of the chevron-type vanes two sides.
2. a kind of antivibration molecular pump herringbone movable vane wheel according to claim 1, which is characterized in that the mandrel
Middle part is provided with blade interconnecting piece, and the diameter of the blade interconnecting piece is greater than the axle diameter, multiple chevron-type vanes
It is circumferentially evenly distributed on the blade interconnecting piece, blade interconnecting piece and the mandrel are coaxially disposed.
3. a kind of antivibration molecular pump herringbone movable vane wheel described in claim 1, which is characterized in that first pull cylinder and
Second pull cylinder is made of carbon fibre reinforced plastic.
4. a kind of antivibration molecular pump herringbone movable vane wheel according to claim 1, which is characterized in that first traction
Cylinder and second pull cylinder and the mandrel are interference fitted.
5. a kind of antivibration molecular pump herringbone movable vane wheel according to claim 1, which is characterized in that the rotor
Bonding is on the mandrel.
6. a kind of antivibration molecular pump herringbone movable vane wheel according to claim 1, which is characterized in that the herringbone leaf
Piece both sides angle is 70 °~90 °.
7. a kind of antivibration molecular pump herringbone movable vane wheel according to claim 1, which is characterized in that along the herringbone
The projection of blade normal direction, is overlapped length and chevron-type vanes' length ratio is 0.1~0.2.
8. according to a kind of antivibration molecular pump herringbone movable vane wheel described in claim 1, which is characterized in that the mandrel uses 7
Line aluminium alloy is made, and yield strength is higher than 450MPa.
9. a kind of antivibration molecular pump herringbone movable vane wheel according to claim 1, which is characterized in that the mandrel surface
Roughness is lower than Ra0.8.
10. a kind of antivibration molecular pump herringbone movable vane wheel according to claim 2, which is characterized in that the mandrel, institute
Rotor and pull cylinder coaxial arrangement are stated, the mandrel, the blade interconnecting piece and the chevron-type vanes are integrated
Molding manufacture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910052350.5A CN109458358A (en) | 2019-01-21 | 2019-01-21 | A kind of antivibration molecular pump herringbone movable vane wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910052350.5A CN109458358A (en) | 2019-01-21 | 2019-01-21 | A kind of antivibration molecular pump herringbone movable vane wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109458358A true CN109458358A (en) | 2019-03-12 |
Family
ID=65616468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910052350.5A Pending CN109458358A (en) | 2019-01-21 | 2019-01-21 | A kind of antivibration molecular pump herringbone movable vane wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109458358A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5205721A (en) * | 1991-02-13 | 1993-04-27 | Nu-Tech Industries, Inc. | Split stator for motor/blood pump |
| JP2006090231A (en) * | 2004-09-24 | 2006-04-06 | Boc Edwards Kk | Method for manufacturing fixed blade of turbo molecular pump and vacuum pump |
| CN101046211A (en) * | 2006-03-30 | 2007-10-03 | 株式会社电装 | Impeller for fuel oil pump and fuel oil pump using the same |
| CN101457758A (en) * | 2008-10-31 | 2009-06-17 | 东北大学 | Enhancement air exhaust composite molecular pump |
| CN103307018A (en) * | 2013-06-24 | 2013-09-18 | 西安航空学院 | Novel high-performance double-bearing vortex pump |
| CN104005984A (en) * | 2014-04-16 | 2014-08-27 | 北京北重伟业电机技术开发有限公司 | Impeller |
| CN106015034A (en) * | 2016-07-11 | 2016-10-12 | 中国工程物理研究院机械制造工艺研究所 | High-pressure ratio compound molecular pump |
| CN108105121A (en) * | 2017-12-29 | 2018-06-01 | 东北大学 | A kind of multistage composite high vacuum dry pump |
| CN108678975A (en) * | 2018-07-17 | 2018-10-19 | 中国工程物理研究院机械制造工艺研究所 | A kind of anti-vibration molecular pump |
| CN209294131U (en) * | 2019-01-21 | 2019-08-23 | 中国工程物理研究院机械制造工艺研究所 | A kind of antivibration molecular pump herringbone movable vane wheel |
-
2019
- 2019-01-21 CN CN201910052350.5A patent/CN109458358A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5205721A (en) * | 1991-02-13 | 1993-04-27 | Nu-Tech Industries, Inc. | Split stator for motor/blood pump |
| JP2006090231A (en) * | 2004-09-24 | 2006-04-06 | Boc Edwards Kk | Method for manufacturing fixed blade of turbo molecular pump and vacuum pump |
| CN101046211A (en) * | 2006-03-30 | 2007-10-03 | 株式会社电装 | Impeller for fuel oil pump and fuel oil pump using the same |
| CN101457758A (en) * | 2008-10-31 | 2009-06-17 | 东北大学 | Enhancement air exhaust composite molecular pump |
| CN103307018A (en) * | 2013-06-24 | 2013-09-18 | 西安航空学院 | Novel high-performance double-bearing vortex pump |
| CN104005984A (en) * | 2014-04-16 | 2014-08-27 | 北京北重伟业电机技术开发有限公司 | Impeller |
| CN106015034A (en) * | 2016-07-11 | 2016-10-12 | 中国工程物理研究院机械制造工艺研究所 | High-pressure ratio compound molecular pump |
| CN108105121A (en) * | 2017-12-29 | 2018-06-01 | 东北大学 | A kind of multistage composite high vacuum dry pump |
| CN108678975A (en) * | 2018-07-17 | 2018-10-19 | 中国工程物理研究院机械制造工艺研究所 | A kind of anti-vibration molecular pump |
| CN209294131U (en) * | 2019-01-21 | 2019-08-23 | 中国工程物理研究院机械制造工艺研究所 | A kind of antivibration molecular pump herringbone movable vane wheel |
Non-Patent Citations (1)
| Title |
|---|
| 陶继忠: "分子泵转子多学科设计优化技术", vol. 53, no. 6, pages 1 - 4 * |
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