CN207868884U - A kind of embedded rotor module of servo motor - Google Patents
A kind of embedded rotor module of servo motor Download PDFInfo
- Publication number
- CN207868884U CN207868884U CN201721849888.1U CN201721849888U CN207868884U CN 207868884 U CN207868884 U CN 207868884U CN 201721849888 U CN201721849888 U CN 201721849888U CN 207868884 U CN207868884 U CN 207868884U
- Authority
- CN
- China
- Prior art keywords
- rotor
- holes
- rectangular
- magnet steel
- punching
- 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.)
- Active
Links
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a kind of embedded rotor module of servo motor,Including rotor core and multiple magnet steel,Rotor core includes multiple rotor punchings,Several circular holes being spaced apart axially are offered in the internal circumference of rotor punching,The rectangular through holes that several are spaced apart axially are offered in the internal circumference of rotor punching and the rectangular through holes are located at the outside of circular hole,The self-clinching point that several are spaced apart axially is offered in the internal circumference of rotor punching and the self-clinching point is located at the inside of rectangular through holes,Multiple semicircle straight slots being spaced apart axially are offered on the inner hole wall of rotor punching to make to form protrusion between two adjacent semicircle straight slots,The protrusion of the inner hole wall of rotor punching is equipped with shaft positioning convex platform,It mutually rivets to form rotor core by self-clinching point between multiple rotor punchings,It is equipped with magnet steel in the rectangular through holes of rotor core；The utility model is at low cost, and the general interchangeability of rotor module is good, and magnetic steel material dosage is few, light-weight.
Description
Technical field
The utility model is related to field of electromechanical technology more particularly to a kind of embedded rotor module of servo motor.
Background technology
Rotor module is the core component of servo motor rotor component, and the structure of rotor module determines the system of rotor assembly
Make technique, cost, performance and versatility.Existing rotor module of servo motor is usually that rotor punching is first laminated into rotor iron
Core is labelled to extremely each 1 piece of arc magnet steel of few poles N, S on the circumference of rotor core；It is pressed metallic sheath or carbon fiber in magnet steel outer circle
Pipe.The rotor module of this structure wants the machining accuracy and assembly precision of rotor punching, magnet steel and metallic sheath or carbon fiber pipe
Ask higher；The material consumption amount of magnet steel is more；Metallic sheath easy tos produce eddy-current loss, and expensive carbon fiber pipe has certain wall
Thickness can also reduce the working efficiency of motor；Existing rotor module is special-purpose member, and general interchangeability is poor.
Utility model content
Technical problem to be solved in the utility model, which is that offer one kind is embedded in view of the above shortcomings of the prior art, to be watched
Rotor module is taken, this embedded rotor module of servo motor eliminates metallic sheath or carbon fiber pipe, and cost is remarkably decreased, and turns
The general interchangeability of submodule is good, and magnetic steel material dosage is less, light-weight.
To realize the above-mentioned technical purpose, the technical solution that the utility model is taken is：
A kind of embedded rotor module of servo motor, including rotor core and multiple magnet steel, it is characterised in that：The rotor
Iron core includes multiple rotor punchings, several circular holes being spaced apart axially are offered in the internal circumference of the rotor punching,
The rectangular through holes that several are spaced apart and the rectangular through holes position are axially offered in the internal circumference of the rotor punching
In axially offering the self-clinching point and the self-clinching that several are spaced apart on the outside of circular hole, the internal circumference of the rotor punching
Point axially offers multiple semicircle straight slots being spaced apart on the inside of rectangular through holes, the inner hole wall of the rotor punching
To make to form protrusion between two adjacent semicircle straight slots, the protrusion of the inner hole wall of the rotor punching is positioned equipped with shaft
Boss mutually rivets to form rotor core, the rectangle of the rotor core by self-clinching point between multiple rotor punchings
Magnet steel is equipped in through-hole.
Further, the rotor punching uses silicon steel sheet.
Further, it is positive even numbers that the rectangular through holes, which are at least 2 and the quantity of rectangular through holes, and the shaft is fixed
Position boss is one or more.
Further, the magnet steel includes the poles N magnet steel and the poles S magnet steel
The beneficial effects of the utility model are：
（1）The utility model is related to embedded rotor module of servo motor, rotor punching is self-locking structure, rotor iron
The high precision machining of core, production automation degree are high.
（2）The magnet steel of the utility model is rectangle magnetic shoe, relative to the rotor of surface-mount type magnet steel, the magnetic of the utility model
The consumptive material of steel is less, need not position magnetic shoe；Rotor module eliminates metallic sheath or carbon fiber pipe；The manufacturing cost of rotor module
It is remarkably decreased.The utility model need not both be pressed metallic sheath, need not also be pressed carbon fiber pipe, and the operating power consumption of rotor is effective
It reduces, working efficiency also gets a promotion.
（3）After the rotor module of the utility model, rotor assembly can select one or more according to different length requirements
This embedded rotor module of servo motor combination, and a rotor assembly can match multiple stator modules, it can be achieved that rotor module
Versatility and interchangeability.
（4）Circular hole and semicircle straight slot on the rotor punching of the utility model are convenient for the heat dissipation of rotor core, reduce rotor
Iron core temperature reduces the weight of rotor core, reduces the rotary inertia of integral rotor module.The shaft convex of the utility model
Platform is used to after assembling with shaft play the role of positioning, and rotor core is with respect to shaft radial motion when preventing from rotating.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the planar structure schematic diagram of the utility model.
Specific implementation mode
Specific embodiment of the present utility model is further illustrated below according to Fig. 1 and Fig. 2：
Referring to Fig. 1 and Fig. 2, a kind of embedded rotor module of servo motor, including rotor core 8 and multiple magnet steel, it is described
Rotor core 8 includes multiple rotor punchings 1, and axially offering several in the internal circumference of the rotor punching 1 is spaced apart
Circular hole 2, axially offer the rectangular through holes 3 and the length that several are spaced apart in the internal circumference of the rotor punching 1
Square through hole 3 is located at the outside of circular hole 2, axially offers what several were spaced apart in the internal circumference of the rotor punching 1
Self-clinching point 4 and the self-clinching point 4 are located at the inside of rectangular through holes 3, are axially offered on the inner hole wall of the rotor punching 1 multiple
The semicircle straight slot 5 being spaced apart to make to form protrusion 6 between two adjacent semicircle straight slots 5, be convenient for by the design of semicircle straight slot 5
Heat dissipation reduces rotor module bulk temperature, reduces rotor module weight, reduces rotor module rotary inertia, the rotor punching 1
The protrusion 6 of inner hole wall be equipped with shaft positioning convex platform 7, shaft positioning convex platform 7 when rotor core 8 and shaft are assembled from position
It acts on, the opposite shaft radial motion of rotor core 8 when preventing rotor from rotating, it is mutual by self-clinching point 4 between multiple rotor punchings 1
To form rotor core 8, rotor punching 1 presses the period of the day from 5 am. to 7 am. in punching, is riveted by multiple self-clinching points 4, and multi-disc rotor is made to rush for riveting
Piece 1 is from the fourth of the twelve Earthly Branches at an entirety.It is equipped with magnet steel in the rectangular through holes 3 of rotor core 8.
The rotor punching 1 uses silicon steel sheet.Rotor core 8 is folded the fourth of the twelve Earthly Branches by multiple silicon steel sheets and is formed.
It is positive even numbers, the shaft positioning convex platform 7 that the rectangular through holes 3, which are at least 2 and the quantity of rectangular through holes 3,
For one or more.
The magnet steel includes the poles N magnet steel and the poles S magnet steel, and for magnet steel made of permanent-magnet material, magnet steel is cuboid, magnet steel
Size and the axially external rectangular through holes 3 of rotor core 8 match, the total quantity of magnet steel is rectangular according to 8 inside of rotor core
The quantity of shape through-hole 3 is consistent；The quantity of magnet steel is positive even numbers, and is ranked sequentially according to the pole polarity of N-S-N.The magnet steel is adopted
With rectangle magnetic shoe.
The rotor punching 1 that rotor core 8 includes, structure are designed to auto-buckled type, and it is logical that silicon steel sheet folds rotor core 8 made of the fourth of the twelve Earthly Branches
It crosses high velocity ram machine and the production of radical mould is wanted with the inner and outer diameter and the geometric tolerance of height dimension and iron core that ensure rotor module
It asks.The axial direction of rotor core 8 is provided with several circular holes 2 being spaced apart, and reduces rotor weight, and the rotation for decreasing rotor is used
Amount.One or more shaft positioning convex platforms 7 that the endoporus of rotor core 8 is equipped with, are used as the radial positioning with rotor shaft.
The height of rotor module is determined by the quantity of rotor punching 1, is realized by automatic high-speed former and mold.Specific peace
Dress method is：It first will mutually be riveted by self-clinching point 4 between multiple rotor punchings 1, rotor core 8 formed, by the first block of poles N magnetic
Steel is embedded into the rectangular through holes 3 in rotor core 8, and the poles N magnet steel end face is fixed after being aligned with 8 end face of rotor core；Then
The first block of poles S magnet steel is embedded into the rectangular through holes 3 adjacent with the first block of poles N magnet steel, the poles S magnet steel end face and rotor core
It is fixed after the alignment of 8 end faces；1 pair or multipair magnet steel are ranked sequentially according to the pole polarity of N-S-N successively and are embedded into rotor core 8
Rectangular through holes 3 in；Complete an embedded rotor module of servo motor.It as needed will be one or more such
Embedded rotor module of servo motor is installed in series on servomotor spindle.Therefore after the present embodiment can make rotor module,
Rotor assembly can select one or more rotor modules to combine according to different length requirements, and the rotor module of the utility model
Composition a rotor assembly can match multiple stator modules, it can be achieved that rotor module versatility and interchangeability, i.e., a variety of electricity
Machine can share a rotor assembly, but stator module can be different.The embedded rotor module of servo motor that the present embodiment is related to,
Rotor punching 1 is self-locking structure, the high precision machining of rotor core 8, production automation degree height.Magnet steel is commonly rectangular
The consumptive material of shape magnetic shoe, magnet steel is less, need not position magnetic shoe；Rotor module eliminates metallic sheath or carbon fiber pipe；Rotor module
Manufacturing cost be remarkably decreased.Rotor module need not both be pressed metallic sheath, need not also be pressed carbon fiber pipe, rotor module
Operating power consumption effectively reduces, and working efficiency also gets a promotion.
The scope of protection of the utility model includes but not limited to embodiment of above, and the scope of protection of the utility model is to weigh
Subject to sharp claim, any replacement being readily apparent that those skilled in the art that this technology is made, deformation, improvement are each fallen within
The scope of protection of the utility model.
Claims (4)
1. a kind of embedded rotor module of servo motor, including rotor core（8）With multiple magnet steel, it is characterised in that：Described turn
Sub- iron core（8）Including multiple rotor punchings（1）, the rotor punching（1）Internal circumference on axially offer several intervals
The circular hole of distribution（2）, the rotor punching（1）Internal circumference on axially offer several rectangular through holes being spaced apart
（3）And the rectangular through holes（3）Positioned at circular hole（2）Outside, the rotor punching（1）If internal circumference on axially offer
The dry self-clinching point being spaced apart（4）And the self-clinching point（4）Positioned at rectangular through holes（3）Inside, the rotor punching（1）'s
Multiple semicircle straight slots being spaced apart axially are offered on inner hole wall（5）To make two adjacent semicircle straight slots（5）Between shape
At protrusion（6）, the rotor punching（1）Inner hole wall protrusion（6）It is equipped with shaft positioning convex platform（7）, multiple rotor punchings
（1）Between pass through self-clinching point（4）Mutually riveting is to form rotor core（8）, the rotor core（8）Rectangular through holes
（3）Inside it is equipped with magnet steel.
2. embedded rotor module of servo motor according to claim 1, it is characterised in that：The rotor punching（1）It adopts
Use silicon steel sheet.
3. embedded rotor module of servo motor according to claim 1, it is characterised in that：The rectangular through holes（3）
At least 2 and rectangular through holes（3）Quantity be positive even numbers, the shaft positioning convex platform（7）For one or more.
4. embedded rotor module of servo motor according to claim 1, it is characterised in that：The magnet steel includes the poles N magnetic
Steel and the poles S magnet steel, the magnet steel use rectangle magnetic shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721849888.1U CN207868884U (en) | 2017-12-26 | 2017-12-26 | A kind of embedded rotor module of servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721849888.1U CN207868884U (en) | 2017-12-26 | 2017-12-26 | A kind of embedded rotor module of servo motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207868884U true CN207868884U (en) | 2018-09-14 |
Family
ID=63466804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721849888.1U Active CN207868884U (en) | 2017-12-26 | 2017-12-26 | A kind of embedded rotor module of servo motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207868884U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752723A (en) * | 2019-11-27 | 2020-02-04 | 中昇创举（天津）科技有限公司 | Permanent magnet motor rotor processing technology and rotor assembly |
| CN114069925A (en) * | 2020-07-29 | 2022-02-18 | 上海海立电器有限公司 | Rotor core, motor and compressor |
-
2017
- 2017-12-26 CN CN201721849888.1U patent/CN207868884U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110752723A (en) * | 2019-11-27 | 2020-02-04 | 中昇创举（天津）科技有限公司 | Permanent magnet motor rotor processing technology and rotor assembly |
| CN114069925A (en) * | 2020-07-29 | 2022-02-18 | 上海海立电器有限公司 | Rotor core, motor and compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108258877B (en) | A kind of permanent-magnetism linear motor based on stator arc with interior stepped mixed structure | |
| CN104319913A (en) | Stator and rotor mechanism of axial magnetic flow switch reluctance motor | |
| CN102157996A (en) | Motor rotor | |
| CN207868884U (en) | A kind of embedded rotor module of servo motor | |
| CN202405896U (en) | Rotor core and high-efficiency variable-frequency speed regulation permanent magnet synchronous motor with same | |
| CN102891555A (en) | Dual-purpose three-phase permanent magnet synchronous motor rotor structure for power frequency and frequency conversion control | |
| CN104242504A (en) | Rotor of synchronous reluctance motor | |
| CN105529876A (en) | Manufacturing technology for hybrid exciting permanent magnet wind generator | |
| CN102457116A (en) | Permanent-magnet surface-mounted motor rotor with fixed plates | |
| CN202918080U (en) | Dual-purpose three-phase permanent magnet synchronous motor rotor structure for power frequency and frequency conversion control | |
| CN109412385A (en) | A kind of Halbach type array double-cylinder type Adjustuble speed magnetic mechanical couple | |
| CN203151355U (en) | Magneto type claw-pole stepping motor | |
| CN207184191U (en) | A kind of rotor and servomotor | |
| CN202918078U (en) | Shaded pole motor one-piece punching sheet | |
| CN201910723U (en) | Rotor sheet for servo permanent magnet synchronous motor | |
| CN202076903U (en) | Motor rotor | |
| CN205639011U (en) | Be suitable for through -flow fan structure of high rotational speed | |
| CN114884235A (en) | Magnetic field modulation motor magnetic circuit structure for robot arm joint | |
| CN207719912U (en) | A kind of servo motor rotor | |
| CN202178634U (en) | Rotor assembly of wind-driven power generator | |
| CN109687615B (en) | Three-phase permanent magnet synchronous motor for injection molding | |
| CN209267406U (en) | A kind of disc-type permanent magnet motor stator core construction | |
| CN203135604U (en) | Magnetic steel embedded rotor structure of brushless motor | |
| CN203362827U (en) | Magnetic bearing | |
| CN201256312Y (en) | Brushless motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |