CN110729846A - Novel superspeed motor structure for supporting and driving spinning cup by mixed magnetic bearing - Google Patents
Novel superspeed motor structure for supporting and driving spinning cup by mixed magnetic bearing Download PDFInfo
- Publication number
- CN110729846A CN110729846A CN201911145822.8A CN201911145822A CN110729846A CN 110729846 A CN110729846 A CN 110729846A CN 201911145822 A CN201911145822 A CN 201911145822A CN 110729846 A CN110729846 A CN 110729846A
- Authority
- CN
- China
- Prior art keywords
- motor
- axial
- magnetic ring
- sleeve
- spindle
- 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
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/09—Structural association with bearings with magnetic bearings
Abstract
The utility model provides a novel motor structure of hypervelocity by mixing magnetic bearing support drive spinning cup, belong to textile machinery technical field, structurally by the main shaft, axial coil seat, the black glue layer, radial suspension structure, axial suspension structure, the motor lid constitutes, little sleeve coil and big sleeve coil produce the rotating magnetic field and act on the motor main shaft after the motor circular telegram, form magnetoelectric power rotating torque, the main shaft begins the suspension to rotate, magnetic ring and second lower magnetic ring are gone up to the axial second, produce the magnetic field, the axial effort is produced to motor spindle unit in the magnetic field that changes, thereby the main shaft that suspends, axial first go up magnetic ring and first magnetic ring down, also produce the magnetic field that changes, thereby the axial suspension of control motor spindle unit. The spindle of the spinning cup high-speed motor is changed from sliding friction to air friction, so that the friction force is reduced, the rotating speed is increased, the effect of balancing the external force applied to the spindle of the motor can be achieved, and the spindle of the motor can work more stably at high speed.
Description
Technical Field
The invention belongs to the technical field of textile machinery, relates to a textile electric machine manufacturing system, and particularly relates to a novel ultra-high-speed motor structure for supporting and driving a spinning cup by a mixed magnetic bearing.
Background
The motor is a power source in the industrial field, and mutual conversion between electric energy and kinetic energy is realized through interaction of electricity and magnetism. The motor occupies a great position in the global industrial automation market and is widely applied to the textile industry. In China, the textile industry is the industry passed down from ancient times and has been passed for thousands of years, the textile industry in China enters the high-speed development stage, and the development of the textile industry and the development of the upstream and downstream of the textile industry are very obvious after decades of development. The magnetic suspension technology has great development in the field of motors, and the market share is also great. The advantages of the conventional high-speed bearing are: high precision, small surface roughness, small clearance and small volume; the disadvantages are that: the high-speed bearing is seriously worn, the working temperature is high when the load is large, the failure rate is high, the service life is short and the power consumption is large; the corresponding magnetic suspension bearing has great development prospect and economic value due to a series of characteristics of low noise, environmental protection, high rotating speed, small friction and the like, and the spindle is driven by the motor to automatically suspend so as to realize stable and friction-free operation and achieve the speed of tens of thousands or hundreds of thousands of revolutions without lubrication. The cup-imitating motor for textile industry adopts contact type bearings, so that the contact surface is seriously abraded, the rotating speed is low, the adjusting precision and the sensitivity are not high, and the structural size is larger.
Disclosure of Invention
The invention aims to provide a novel super-high-speed motor structure for supporting and driving a rotor by a mixed magnetic bearing, aiming at the defects of low rotating speed of a motor main shaft, low adjusting precision, high noise, serious abrasion, larger structural size and the like of the conventional rotor spinning motor.
The technical scheme of the invention is as follows: a novel super-high-speed motor structure for supporting and driving a spinning cup by a mixed magnetic bearing comprises a main shaft connected with the spinning cup; the method is characterized in that: the main shaft is formed by connecting a shaft head, a magnetic bar, a shaft tail and a shaft sleeve, the shaft sleeve is sleeved outside the magnetic bar, the shaft head is connected and arranged at the left side of the shaft sleeve, the shaft tail is connected and arranged at the right side of the shaft sleeve, axial gaps are formed between the shaft head and the shaft tail and the magnetic bar, a first upper magnetic ring and a first hoop are arranged outside the shaft head, a second lower magnetic ring and a second hoop are arranged outside the shaft tail, an axial coil seat, a black glue layer, a radial suspension structure, an axial suspension structure, a motor cover and a second upper magnetic ring are sequentially arranged outside the shaft sleeve from left to right, a first lower magnetic ring in magnetic suspension connection with the shaft sleeve is arranged in the axial coil seat, an axial gap is formed between the first lower magnetic ring and the first upper magnetic ring, a coil is arranged between the first lower magnetic ring and the axial coil base, and a black glue layer is arranged on the right side of the axial coil base; the radial suspension structure and the axial suspension structure are axially limited between the black glue layer and the motor cover;
the radial suspension structure consists of a motor coil base, a small sleeve coil, a large sleeve coil and a silicon steel sheet, wherein the motor coil base is arranged in the middle of the shaft sleeve, the small sleeve coil and the large sleeve coil are both arranged in a groove on the inner side of the motor coil base, the large sleeve coil is arranged outside the small sleeve coil, the silicon steel sheet is arranged on the outer side of the whole motor coil base, and radial gaps are formed between the black glue layer and the motor coil base and the shaft sleeve;
the axial suspension structure is composed of a motor cover, a second upper magnetic ring, a second lower magnetic ring and a second hoop, the motor cover is arranged on the right side of the motor coil base, the second upper magnetic ring is arranged on the right side of the motor cover, a radial gap is formed between the motor cover and the shaft sleeve, and an axial gap is formed between the second upper magnetic ring and the second lower magnetic ring.
The shaft sleeve and the magnetic rod form interference fit, the shaft head and the shaft sleeve and the shaft tail and the shaft sleeve are in clearance fit, and the axial clearance between the shaft head and the magnetic rod is equal to the axial clearance between the shaft tail and the magnetic rod.
The axial gap between the first upper magnetic ring and the first lower magnetic ring is equal to the axial gap between the second upper magnetic ring and the second lower magnetic ring; the radial clearance between the first lower magnetic ring and the shaft sleeve is equal to the radial clearance between the second upper magnetic ring and the shaft sleeve.
The outer diameter of the black glue layer is equal to that of the silicon steel sheet.
The width of the small sleeve coil is 1/2 the width of the large sleeve coil.
The invention has the beneficial effects that: the invention provides a linkage mechanism for one-time vertical cutting blanking and horizontal punching, which structurally comprises a main shaft, an axial coil seat, a black adhesive layer, a radial suspension structure, an axial suspension structure and a motor cover. The application of the magnetic bearing in the invention changes the sliding friction of the spindle of the rotor high-speed motor into air friction, reduces the friction force, improves the rotating speed of the spindle to hundreds of thousands of revolutions, and can more conveniently adjust the position of the spindle of the motor by the novel stator winding structure combining electromagnetism and permanent magnetism, thereby achieving the effect of balancing the external force applied to the spindle of the motor and enabling the spindle of the motor to work more stably at high speed.
Drawings
Fig. 1 is an overall sectional structural view of the present invention.
Fig. 2 is a schematic sectional view of the main shaft according to the present invention.
In the figure: the magnetic coupling comprises a main shaft 1, a first upper magnetic ring 2, a first lower magnetic ring 3, a first hoop 4, a coil 5, an axial coil base 6, a black glue layer 7, a silicon steel sheet 8, a small sleeve coil 9, a large sleeve coil 10, a motor coil base 11, a motor cover 12, a second upper magnetic ring 13, a second lower magnetic ring 14, a second hoop 15, a shaft head 16, a magnetic rod 17, a shaft tail 18 and a shaft sleeve 19.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-2, a novel super-high speed motor structure for supporting and driving a spinning cup by a mixed magnetic bearing comprises a main shaft 1 connected with the spinning cup, the main shaft 1 is formed by connecting a shaft head 16, a magnetic rod 17, a shaft tail 18 and a shaft sleeve 19, the shaft sleeve 19 is sleeved outside the magnetic rod 17, the shaft head 16 is connected and arranged at the left side of the shaft sleeve 19, the shaft tail 18 is connected and arranged at the right side of the shaft sleeve 19, axial gaps are formed between the shaft head 16 and the shaft tail 18 and the magnetic rod 17, a first upper magnetic ring 2 and a first hoop 3 are arranged outside the shaft head 16, a second lower magnetic ring 14 and a second hoop 15 are arranged outside the shaft tail 18, an axial coil base 6, a black glue layer 7, a radial suspension structure, an axial suspension structure, a motor cover 12 and a second upper magnetic suspension ring 13 are sequentially arranged outside the shaft head 16, a first lower magnetic ring 3 connected with the shaft sleeve 19 is arranged in the axial coil base 6, an axial gap is formed between the first lower magnetic ring 3, a coil 5 is arranged between the first lower magnetic ring 3 and the axial coil holder 6, and a black glue layer 7 is arranged on the right side of the axial coil holder 6; the radial suspension structure and the axial suspension structure are axially limited between the black rubber layer 7 and the motor cover 12. Radial suspension structure comprises motor coil base 11, little sleeve coil 9, big sleeve coil 10, silicon steel sheet 8, and motor coil base 11 sets up at the middle part of axle sleeve 19, and little sleeve coil 9 and big sleeve coil 10 all set up in the recess of motor coil base 11 inboard, big sleeve coil 10 sets up in the outside of little sleeve coil 9, and silicon steel sheet 8 sets up in the outside of whole motor coil base 11, forms radial clearance between black adhesive layer 7, motor coil base 11 and the axle sleeve 19. The axial suspension structure is composed of a motor cover 12, a second upper magnetic ring 13, a second lower magnetic ring 14 and a second hoop 15, the motor cover 12 is arranged on the right side of the motor coil base 11, the second upper magnetic ring 13 is arranged on the right side of the motor cover 12, a radial gap is formed between the motor cover 12 and the shaft sleeve 19, and an axial gap is formed between the second upper magnetic ring 13 and the second lower magnetic ring 14.
As shown in fig. 1-2, in a novel ultra-high-speed motor structure in which a magnetic mixing bearing supports and drives a rotor, an interference fit is formed between a shaft sleeve 19 and a magnetic rod 17, clearance fits are formed between a shaft head 16 and the shaft sleeve 19, and between a shaft tail 18 and the shaft sleeve 19, and an axial clearance between the shaft head 16 and the magnetic rod 17 is equal to an axial clearance between the shaft tail 18 and the magnetic rod 17; the axial clearance between the first upper magnetic ring 2 and the first lower magnetic ring 3 is equal to the axial clearance between the second upper magnetic ring 13 and the second lower magnetic ring 14; the radial clearance between the first lower magnetic ring 3 and the shaft sleeve 19 is equal to the radial clearance between the second upper magnetic ring 13 and the shaft sleeve 19; the outer diameter of the black adhesive layer 7 is equal to that of the silicon steel sheet 8; the width of the small sleeve coil 9 is 1/2 the width of the large sleeve coil 10.
As shown in fig. 1-2, the working principle of the ultra-high speed novel motor structure for supporting and driving the spinning cup by the mixed magnetic bearing is as follows: the motor is electrified, the small sleeve coil and the large sleeve coil generate a rotating magnetic field and act on a motor spindle to form magnetoelectric power rotating torque, the motor spindle part starts to rotate in a suspended mode, the second upper magnetic ring and the second lower magnetic ring are axially arranged to generate a magnetic field, the changed magnetic field generates axial acting force on the motor spindle part to suspend the motor spindle part, the first upper magnetic ring and the first lower magnetic ring are axially arranged to generate a changed magnetic field, and the size of the magnetic field can be adjusted through the coils to control the axial suspension of the motor spindle part and balance the effect of external force. The application of the magnetic bearing in the invention changes the sliding friction of the spindle of the rotor high-speed motor into air friction, reduces the friction force, improves the rotating speed and ensures that the rotating speed of the spindle is improved to hundreds of thousands of revolutions. Meanwhile, the novel stator winding mode combines electromagnetism and permanent magnets, the position of the motor spindle can be adjusted more conveniently, the effect of balancing external force applied to the motor spindle can be achieved, and the motor spindle can work more stably and at high speed.
Claims (5)
1. A novel ultra-high-speed motor structure for supporting and driving a spinning cup by a mixed magnetic bearing comprises a main shaft (1) connected with the spinning cup; the method is characterized in that: the spindle (1) is formed by connecting a spindle head (16), a magnetic rod (17), a spindle tail (18) and a spindle sleeve (19), the spindle sleeve (19) is sleeved outside the magnetic rod (17), the spindle head (16) is connected and arranged on the left side of the spindle sleeve (19), the spindle tail (18) is connected and arranged on the right side of the spindle sleeve (19), axial gaps are formed between the spindle head (16) and the spindle tail (18) and the magnetic rod (17), a first upper magnetic ring (2) and a first hoop ring (3) are arranged outside the spindle head (16), a second lower magnetic ring (14) and a second hoop ring (15) are arranged outside the spindle tail (18), an axial coil base (6), a black glue layer (7), a radial suspension structure, an axial suspension structure, a motor cover (12) and a second upper magnetic ring (13) are sequentially arranged outside the spindle head (16) from left to right, and a first lower magnetic suspension ring (3) connected with the spindle sleeve (19) is arranged in the axial coil base (6), an axial gap is formed between the first lower magnetic ring (3) and the first upper magnetic ring (2), a coil (5) is arranged between the first lower magnetic ring (3) and the axial coil base (6), and a black glue layer (7) is arranged on the right side of the axial coil base (6); the radial suspension structure and the axial suspension structure are axially limited between the black glue layer (7) and the motor cover (12);
the radial suspension structure is composed of a motor coil base (11), a small sleeve coil (9), a large sleeve coil (10) and a silicon steel sheet (8), the motor coil base (11) is arranged in the middle of a shaft sleeve (19), the small sleeve coil (9) and the large sleeve coil (10) are both arranged in a groove in the inner side of the motor coil base (11), the large sleeve coil (10) is arranged outside the small sleeve coil (9), the silicon steel sheet (8) is arranged on the outer side of the whole motor coil base (11), and radial gaps are formed among the black glue layer (7), the motor coil base (11) and the shaft sleeve (19);
the axial suspension structure is composed of a motor cover (12), a second upper magnetic ring (13), a second lower magnetic ring (14) and a second hoop ring (15), the motor cover (12) is arranged on the right side of the motor coil base (11), the second upper magnetic ring (13) is arranged on the right side of the motor cover (12), a radial gap is formed between the motor cover (12) and the shaft sleeve (19), and an axial gap is formed between the second upper magnetic ring (13) and the second lower magnetic ring (14).
2. The ultra-high speed novel motor structure of the driving rotor supported by the mixed magnetic bearing as claimed in claim 1, wherein: the magnetic rod bearing is characterized in that interference fit is formed between the shaft sleeve (19) and the magnetic rod (17), clearance fit is formed between the shaft head (16) and the shaft sleeve (19) and between the shaft tail (18) and the shaft sleeve (19), and the axial clearance between the shaft head (16) and the magnetic rod (17) is equal to the axial clearance between the shaft tail (18) and the magnetic rod (17).
3. The ultra-high speed novel motor structure of the driving rotor supported by the mixed magnetic bearing as claimed in claim 1, wherein: the axial clearance between the first upper magnetic ring (2) and the first lower magnetic ring (3) is equal to the axial clearance between the second upper magnetic ring (13) and the second lower magnetic ring (14); the radial clearance between the first lower magnetic ring (3) and the shaft sleeve (19) is equal to the radial clearance between the second upper magnetic ring (13) and the shaft sleeve (19).
4. The ultra-high speed novel motor structure of the driving rotor supported by the mixed magnetic bearing as claimed in claim 1, wherein: the outer diameter of the black glue layer (7) is equal to that of the silicon steel sheet (8).
5. The ultra-high speed novel motor structure of the driving rotor supported by the mixed magnetic bearing as claimed in claim 1, wherein: the width of the small sleeve coil (9) is 1/2 of the width of the large sleeve coil (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911145822.8A CN110729846A (en) | 2019-11-21 | 2019-11-21 | Novel superspeed motor structure for supporting and driving spinning cup by mixed magnetic bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911145822.8A CN110729846A (en) | 2019-11-21 | 2019-11-21 | Novel superspeed motor structure for supporting and driving spinning cup by mixed magnetic bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110729846A true CN110729846A (en) | 2020-01-24 |
Family
ID=69225496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911145822.8A Pending CN110729846A (en) | 2019-11-21 | 2019-11-21 | Novel superspeed motor structure for supporting and driving spinning cup by mixed magnetic bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110729846A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729824A (en) * | 2019-12-03 | 2020-01-24 | 扬州大学 | Double-layer distributed stator structure for ultra-high-speed motor |
-
2019
- 2019-11-21 CN CN201911145822.8A patent/CN110729846A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729824A (en) * | 2019-12-03 | 2020-01-24 | 扬州大学 | Double-layer distributed stator structure for ultra-high-speed motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102828973B (en) | Air compressor directly driven by permanent magnet synchronous magnetic suspension high-speed motor | |
| CN201934324U (en) | Permanent magnetic levitation axial electric pump | |
| CN110224540B (en) | Permanent magnet collar motor | |
| CN202555839U (en) | Novel gas magnetic bearing electric spindle | |
| CN201167264Y (en) | Permanent magnetic levitation electric principal shaft | |
| CN110453322A (en) | A kind of separate type permanent magnetic suspending shaft bearing structure for Yarn-spinning spindle | |
| CN110729846A (en) | Novel superspeed motor structure for supporting and driving spinning cup by mixed magnetic bearing | |
| CN102721510A (en) | Electromagnet-permanent magnet mixed type online active balance head structure for rotary machine and control method thereof | |
| CN207354032U (en) | A kind of motor of dust collector and dust catcher | |
| CN107516990B (en) | Dust collector motor and dust collector | |
| CN108847763A (en) | A kind of magnetic suspension magnetic resistance linear motor of constant-current source excitation | |
| CN203796751U (en) | Magnetic bearing | |
| CN211142279U (en) | Mixed magnetic suspension bearing for driving spindle of rotor ultra-high-speed motor | |
| CN208445497U (en) | Rotating machinery is adjustable magnetic levitation system | |
| CN104632889B (en) | There is fulcrum friction-free axial permanent-magnet suspension bearing | |
| CN210985855U (en) | Novel superspeed motor structure for supporting and driving spinning cup by mixed magnetic bearing | |
| CN107332389A (en) | A kind of blower motor and hair-dryer | |
| CN108123562B (en) | Bearingless permanent magnet synchronous motor | |
| CN108649840A (en) | Rotating machinery is adjustable magnetic levitation system | |
| CN207353982U (en) | A kind of blower motor and hair-dryer | |
| CN110670183B (en) | Mixed magnetic suspension bearing for driving spindle of rotor ultra-high speed motor | |
| CN205792179U (en) | Adjustable speed umbrella-type magnetic coupling | |
| CN209805588U (en) | Permanent magnet collar motor | |
| CN210826494U (en) | Separated permanent magnetic suspension bearing structure for spinning spindle | |
| CN210978220U (en) | Rotor bearing structure with adjustable permanent magnetic suspension bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |