CN207485481U - A kind of high-speed permanent magnetic body magnetic-suspension main-shaft air power drive device - Google Patents
A kind of high-speed permanent magnetic body magnetic-suspension main-shaft air power drive device Download PDFInfo
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- CN207485481U CN207485481U CN201721659386.2U CN201721659386U CN207485481U CN 207485481 U CN207485481 U CN 207485481U CN 201721659386 U CN201721659386 U CN 201721659386U CN 207485481 U CN207485481 U CN 207485481U
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- suspension
- main shaft
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Abstract
The utility model discloses a kind of high-speed permanent magnetic body magnetic-suspension main-shaft air power drive device, rotor main shaft including permanent magnet magnetic suspension, spiral case is cased on the outside of the rotor main shaft, impeller is placed in spiral case, impeller is fixedly connected with rotor main shaft, the spiral case is equipped with one or more pairs of axisymmetric nozzles, while spiral case is equipped with the exhaust outlet of one or more pairs of axisymmetric radial directions.The utility model can run to very high rotating speed, small with mechanical wear, low energy consumption, long lifespan, the advantages that need not lubricating, permanent magnet magnetic suspension main shaft not only has the characteristics that the whole of magnetic-suspension main-shaft, and can return the heart automatically, simple without active control structure, it is and simple in structure, it is at low cost, it is stable, there is preferable application prospect in high-speed main spindle field.
Description
Technical field
The utility model belongs to a kind of air turbine device, and in particular to a kind of high-speed permanent magnetic body magnetic-suspension main-shaft air moves
Force driving device.
Background technology
High-speed main spindle is commonly utilized in industries, the performance such as metal cutting, PCB punchings and directly affects product quality, at a high speed
Main shaft can be divided into mechanical main shaft, air-floating main shaft, oil film main shaft, magnetic-suspension main-shaft etc. according to bearing type difference；Traditional contact
There are Mechanical Contacts for formula main shaft, and rotating speed is relatively low, and mechanical wear is big, high energy consumption, short life, the shortcomings of needing to lubricate, with processing
Raising of the industry to speed of mainshaft demand, to motor frequency conversion and cooling propose great challenge, limit the speed of mainshaft into
One step improves.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of high-speed permanent magnetic body magnetic-suspension main-shaft air force driving
Device can provide driving force for high-speed permanent magnetic body magnetic-suspension main-shaft.
What the purpose of this utility model was realized in：A kind of high-speed permanent magnetic body magnetic-suspension main-shaft air force driving dress
It puts, the rotor main shaft including permanent magnet magnetic suspension, is cased with spiral case on the outside of the rotor main shaft, impeller is placed in spiral case, leaf
Wheel is fixedly connected with rotor main shaft, and the spiral case is equipped with one or more pairs of axisymmetric nozzles, while spiral case is equipped with one
Pair or multipair axisymmetric radial direction exhaust outlet.
The utility model also has following technical characteristic：
1st, the impeller is deformation impact formula turbo blade.
2nd, it is provided with multigroup magnetic sheet in the inner cavity of the rotor main shaft.
3rd, the nozzle is daraf(reciprocal of farad) that nozzle of air supply.
The utility model has the advantages that and advantage：The present apparatus can run to very high rotating speed, have machinery mill
Damage small, low energy consumption, long lifespan, and the advantages that without lubricating, permanent magnet magnetic suspension main shaft is not only all special with magnetic-suspension main-shaft
Point, and the heart can be returned automatically, without active control, the structure of magnetic-suspension main-shaft is greatly simplified, air impeller is using high
It calms the anger as driving force, as long as Impeller Design is reasonable, the limitation of no maximum speed, and the heat generated is taken away with air-flow, nothing
It needs to cool down, simple in structure, processing cost is low, has preferable application prospect in high-speed main spindle field.
Description of the drawings
Fig. 1 is the main structure diagram of the utility model embodiment 1.
Fig. 2 is the side structure schematic view of the utility model embodiment 1.
The dimensional structure diagram of Fig. 3 positions the utility model embodiment 1.
Specific embodiment
The utility model is further explained below according to Figure of description citing：
Embodiment 1
With reference to shown in Fig. 1-3, a kind of high-speed permanent magnetic body magnetic-suspension main-shaft air power drive device, including permanent magnet magnetcisuspension
Floating rotor main shaft 4, the outside of the rotor main shaft 4 are cased with spiral case 2, and impeller 3 is placed in spiral case 2, impeller 3 and rotor main shaft
4 are fixedly connected, and the spiral case 2 is equipped with a pair of axisymmetric nozzle 1, while spiral case 2 is equipped with a pair of axisymmetric radial direction
Exhaust outlet 6.High pressure gas enters impeller 3 from two nozzles 1, and with 3 blade of high speed impact impeller, gas kinetic energy is converted into leaf
3 shaft works are taken turns, the exhaust outlet 6 of two finally set from spiral case 2 radial symmetric is discharged.Impeller 3 described in the present embodiment is
Deformation impact formula turbo blade.The nozzle 1 is daraf(reciprocal of farad) that nozzle of air supply.It is provided in the inner cavity of the rotor main shaft 4
Multigroup magnetic sheet 5 generates magnetic suspension effect with external stator magnetic ring effect.
The operation principle of the present embodiment：Present apparatus Laval-cavity nozzle 1 throat diameter 6mm, 3 outer diameter 56mm of impeller, high pressure gas
Body enters impeller 3 from two Laval-cavity nozzles 1 of radial symmetric, and with 3 blade of high speed impact impeller, and impeller 3 drives 4 turns of main shaft
It is dynamic, gas kinetic energy is converted into impeller shaft work, the exhaust outlet discharge of two finally arranged from spiral case 2 radial symmetric.
The present embodiment provides power for high-speed permanent magnetic body magnetic-suspension main-shaft, and further improving can be used as a kind of high-speed main spindle should
Used in processing industry, rotating speed is processed for improving, simplifies structure, reduces cost and have important practical significance, application prospect
It is very wide.
Claims (4)
1. a kind of high-speed permanent magnetic body magnetic-suspension main-shaft air power drive device, the rotor main shaft (4) including permanent magnet magnetic suspension,
It is characterized in that：Be cased with spiral case (2) on the outside of the rotor main shaft (4), impeller (3) is placed in spiral case (2), impeller (3) with
Rotor main shaft (4) is fixedly connected, and the spiral case (2) is equipped with one or more pairs of axisymmetric nozzles (1), while spiral case (2)
It is equipped with the exhaust outlet (6) of one or more pairs of axisymmetric radial directions.
2. a kind of high-speed permanent magnetic body magnetic-suspension main-shaft air power drive device according to claim 1, it is characterised in that：
The impeller (3) is deformation impact formula turbo blade.
3. a kind of high-speed permanent magnetic body magnetic-suspension main-shaft air power drive device according to claim 1, it is characterised in that：
Multigroup magnetic sheet (5) is provided in the inner cavity of the rotor main shaft (4).
4. a kind of high-speed permanent magnetic body magnetic-suspension main-shaft air power drive device according to claim 1, it is characterised in that：
The nozzle (1) is daraf(reciprocal of farad) that nozzle of air supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721659386.2U CN207485481U (en) | 2017-12-04 | 2017-12-04 | A kind of high-speed permanent magnetic body magnetic-suspension main-shaft air power drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721659386.2U CN207485481U (en) | 2017-12-04 | 2017-12-04 | A kind of high-speed permanent magnetic body magnetic-suspension main-shaft air power drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207485481U true CN207485481U (en) | 2018-06-12 |
Family
ID=62457500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721659386.2U Active CN207485481U (en) | 2017-12-04 | 2017-12-04 | A kind of high-speed permanent magnetic body magnetic-suspension main-shaft air power drive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207485481U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829787A (en) * | 2017-12-04 | 2018-03-23 | 中国航空工业集团公司哈尔滨空气动力研究所 | A kind of high-speed permanent magnetic body magnetic-suspension main-shaft air power drive device |
-
2017
- 2017-12-04 CN CN201721659386.2U patent/CN207485481U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829787A (en) * | 2017-12-04 | 2018-03-23 | 中国航空工业集团公司哈尔滨空气动力研究所 | A kind of high-speed permanent magnetic body magnetic-suspension main-shaft air power drive device |
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