CN207868971U - A kind of permanent magnet synchronous servo motor stator structure and permanent magnet synchronous servo motor - Google Patents
A kind of permanent magnet synchronous servo motor stator structure and permanent magnet synchronous servo motor Download PDFInfo
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- CN207868971U CN207868971U CN201820233961.0U CN201820233961U CN207868971U CN 207868971 U CN207868971 U CN 207868971U CN 201820233961 U CN201820233961 U CN 201820233961U CN 207868971 U CN207868971 U CN 207868971U
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- servo motor
- permanent magnet
- magnet synchronous
- electric machine
- synchronous servo
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Abstract
The utility model is related to servo motor technical fields,In particular a kind of permanent magnet synchronous servo motor stator structure and permanent magnet synchronous servo motor,Including electric machine casing and the rotor being set to inside electric machine casing,Rotor includes rotor core,The cylindrical structure of rotor core,And the inside coaxial sleeve of rotor core is equipped with shaft,Two end surfaces circle centre positions of rotor core offer the second axis hole,The inner wall of second axis hole is provided with bearing,The inner wall of bearing is provided with wear-resisting ring,Two end surfaces of rotor core are uniformly provided with several air holes,Surface between rotor core both ends offers radiating groove,The arc-shaped setting of radiating groove,The utility model is simple in structure,It is easy to use,The frictional force of two ends of rotor in motor work can be reduced by the bearing and wear-resisting ring that are provided with,Reduce its abrasion,Greatly prolong its service life,Radiating groove and air hole can exclude the heat generated in motor work in time,The utility model has great practical value,Convenient for promoting.
Description
Technical field
The utility model is related to servo motor technical field, specially a kind of permanent magnet synchronous servo motor stator structure and forever
Magnetic-synchro servo motor.
Background technology
It is notable that permasyn morot has that simple in structure, loss is small, power factor is high, efficient, power density is high etc.
Feature.Increasingly raising with international community to low-carbon economy and energy-saving and emission-reduction requirement, PMSM Control System rely on it
Performance advantage obtains more in numerous areas such as servo-drive system, electric vehicle, rail traffic, heating and ventilation, oil, wind-power electricity generations
To be more widely applied.Permasyn morot produces being permitted for feature and different properties since rotor structure is extremely various
The more kind.
For existing permanent magnet synchronous servo motor rotor at work since rotating speed is very big, inner body can be mutual in rotation
Friction, makes motor generate prodigious noise at work, can influence the people of surrounding, due to rubbing between rotor and shaft, when long
Between can cause the service life for wearing to reduce motor, and friction will produce amount of heat, causes temperature excessively high, influences electricity
Machine works, in consideration of it, it is proposed that a kind of permanent magnet synchronous servo motor stator structure and permanent magnet synchronous servo motor.
Utility model content
The purpose of this utility model is to provide a kind of permanent magnet synchronous servo motor stator structure and permanent magnet synchronous servo electricity
The problems such as machine, temperature is excessively high when solving rotor mentioned above in the background art easy to wear and motor work.
To achieve the above object, the utility model provides the following technical solutions：
A kind of permanent magnet synchronous servo motor stator structure and permanent magnet synchronous servo motor, including electric machine casing and be set to
Rotor inside the electric machine casing, the rotor include rotor core, the cylindrical structure of rotor core, and described turn
The inside coaxial sleeve of sub- iron core is equipped with shaft, and two end surfaces circle centre positions of the rotor core offer the second axis hole, described
The inner wall of second axis hole is provided with bearing, and the inner wall of the bearing is provided with wear-resisting ring, and two end surfaces of the rotor core are equal
Even to offer several air holes, the surface between the rotor core both ends offers radiating groove, and the radiating groove is arc-shaped to be set
It sets.
Preferably, one end of the cylindrical structure of the electric machine casing, the electric machine casing is provided with nose shell, before described
End housing is that round and diameter is identical as the diameter of section of electric machine casing, and the first axis hole is arranged at the center of the nose shell, described
The size of first axis hole is identical as the size of the second axis hole, and the one end of the electric machine casing far from nose shell is provided with rear end housing.
Preferably, terminal box is provided at the top of the electric machine casing, the inner wall of the electric machine casing is provided with stator, institute
The bottom for stating electric machine casing is provided with pedestal.
Preferably, the nose shell is bolted with electric machine casing.
Preferably, the quantity of the air hole is at least ten and circumferentially evenly distributed.
Compared with prior art, the beneficial effects of the utility model：The utility model is simple in structure, easy to use, passes through
The bearing and wear-resisting ring being provided with can reduce the frictional force of two ends of rotor in motor work, reduce its abrasion, greatly prolong
Its service life, wherein radiating groove and air hole can exclude the heat generated in motor work in time, and the utility model has
Prodigious practical value, convenient for promoting.
Description of the drawings
Fig. 1 is the configuration schematic diagram of the utility model；
Fig. 2 is the dimensional structure diagram of rotor in the utility model；
Fig. 3 is the front view of rotor in the utility model.
In figure：1, electric machine casing；11, terminal box；12, stator；2, nose shell；21, the first axis hole；3, rear end housing；4, bottom
Seat；5, shaft；6, rotor；61, rotor core；62, radiating groove；63, the second axis hole；64, bearing；65, wear-resisting ring；66, it breathes freely
Hole.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：
A kind of permanent magnet synchronous servo motor stator structure and permanent magnet synchronous servo motor, including electric machine casing 1 and setting
Rotor 6 inside electric machine casing 1, rotor 6 include rotor core 61,61 cylindrical structure of rotor core, and rotor core
61 inside coaxial sleeve is equipped with shaft 5, and two end surfaces circle centre positions of rotor core 61 offer the second axis hole 63, the second axis hole
63 inner wall is provided with bearing 64, rotor both ends and frictional force of other parts in rotation can be made to subtract by bearing 64
It is few, so that its long-time is used and not will produce prodigious heat, while can also reduce noise.
The inner wall of bearing 64 is provided with wear-resisting ring 65, and wear-resisting ring 65 is fluorine resin material, and fluororesin is contained in molecular structure
There is a kind of thermoplastic resin of fluorine atom, there is excellent high and low temperature resistance, dielectric properties, chemical stability, weatherability, no
The characteristics such as combustion property, non-stick and low friction coefficient, are each department of national economy, especially advanced science technology and national defense industry
Indispensable important materials, wear-resisting ring 65 can reduce the frictional force of bearing 64 and shaft 5, but also can replace at any time,
The service life of bearing 64 can effectively be extended.
Two end surfaces of rotor core 61 are uniformly provided with several air holes 66, and the quantity of air hole 66 is ten and in circle
Week is evenly distributed, and the heat that air hole 66 generates when motor can work sheds in time, avoids the excessively high influence work of motor temperature
Make efficiency, the surface between 61 both ends of rotor core offers radiating groove 62, and 62 arc-shaped setting of radiating groove, radiating groove 62 can
The contact area for effectively increasing rotor surface and air, to greatly increase its radiating efficiency.
One end of 1 cylindrical structure of electric machine casing, electric machine casing 1 is provided with nose shell 2, nose shell 2 and electric machine casing 1
It is bolted, nose shell 2 can be removed arbitrarily, easy to repair, and nose shell 2 is section of round and diameter and electric machine casing 1
Face diameter is identical, and the first axis hole 21, the size phase of the size of the first axis hole 21 and the second axis hole 63 are arranged at the center of nose shell 2
Together, the one end of electric machine casing 1 far from nose shell 2 is provided with rear end housing 3, and the top of electric machine casing 1 is provided with terminal box 11, motor
The inner wall of shell 1 is provided with stator 12, and the bottom of electric machine casing 1 is provided with pedestal 4, and pedestal 4 can ensure the firm of motor, make
It is not easy to topple at work.
The operation principle of the utility model：When the motor works, the rotation of rotor 6 drives shaft 5 to rotate, and the two of rotor 6
End and the contact position of shaft 5 will produce friction, and the frictional force that rotor 6 can be made to be subject to by the bearing 64 of setting subtracts significantly
It is few, to the service life of Extending Rotor 6, and the heat of internal generation can be reduced, 64 inside of bearing is arranged wear-resisting
Circle 65 can avoid the abrasion of shaft 5 and bearing 64, and wear-resisting ring 65 can be replaced arbitrarily, to inside sustainable protection motor
Shaft 5 and bearing 64, the radiating groove 62 of rotor surface can make rotor that there is good heat dissipation performance, the setting of 6 both ends of rotor
Air hole 66 can increase its surface air flowing, increase its radiating rate, to greatly improve the working efficiency of motor.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model
Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within this claimed practicality
In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (5)
1. a kind of permanent magnet synchronous servo motor stator structure and permanent magnet synchronous servo motor, including electric machine casing (1) and setting
In the internal rotor (6) of the electric machine casing (1), it is characterised in that：The rotor (6) includes rotor core (61), described turn
The cylindrical structure of sub- iron core (61), and the inside coaxial sleeve of the rotor core (61) is equipped with shaft (5), the rotor core
(61) two end surfaces circle centre positions offer the second axis hole (63), and the inner wall of second axis hole (63) is provided with bearing
(64), the inner wall of the bearing (64) is provided with wear-resisting ring (65), and two end surfaces of the rotor core (61) are uniformly provided with
Several air holes (66), the surface between rotor core (61) both ends offer radiating groove (62), the radiating groove (62)
Arc-shaped setting.
2. permanent magnet synchronous servo motor stator structure according to claim 1 and permanent magnet synchronous servo motor, feature exist
In：One end of the cylindrical structure of the electric machine casing (1), the electric machine casing (1) is provided with nose shell (2), the front end
Shell (2) is that round and diameter is identical as the diameter of section of electric machine casing (1), and first axle is arranged at the center of the nose shell (2)
The size in hole (21), first axis hole (21) is identical as the size of the second axis hole (63), and the electric machine casing (1) is far from front end
One end of shell (2) is provided with rear end housing (3).
3. permanent magnet synchronous servo motor stator structure according to claim 1 and permanent magnet synchronous servo motor, feature exist
In：Terminal box (11) is provided at the top of the electric machine casing (1), the inner wall of the electric machine casing (1) is provided with stator (12),
The bottom of the electric machine casing (1) is provided with pedestal (4).
4. permanent magnet synchronous servo motor stator structure according to claim 2 and permanent magnet synchronous servo motor, feature exist
In：The nose shell (2) is bolted with electric machine casing (1).
5. permanent magnet synchronous servo motor stator structure according to claim 1 and permanent magnet synchronous servo motor, feature exist
In：The quantity of the air hole (66) is at least ten and circumferentially evenly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820233961.0U CN207868971U (en) | 2018-02-09 | 2018-02-09 | A kind of permanent magnet synchronous servo motor stator structure and permanent magnet synchronous servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820233961.0U CN207868971U (en) | 2018-02-09 | 2018-02-09 | A kind of permanent magnet synchronous servo motor stator structure and permanent magnet synchronous servo motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207868971U true CN207868971U (en) | 2018-09-14 |
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ID=63458221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820233961.0U Active CN207868971U (en) | 2018-02-09 | 2018-02-09 | A kind of permanent magnet synchronous servo motor stator structure and permanent magnet synchronous servo motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN207868971U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111614225A (en) * | 2020-05-08 | 2020-09-01 | 南京铁道职业技术学院 | DC servo motor device |
| CN111917263A (en) * | 2020-08-28 | 2020-11-10 | 上海莘汭驱动技术有限公司 | Permanent magnet alternating current servo motor |
-
2018
- 2018-02-09 CN CN201820233961.0U patent/CN207868971U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111614225A (en) * | 2020-05-08 | 2020-09-01 | 南京铁道职业技术学院 | DC servo motor device |
| CN111917263A (en) * | 2020-08-28 | 2020-11-10 | 上海莘汭驱动技术有限公司 | Permanent magnet alternating current servo motor |
| CN111917263B (en) * | 2020-08-28 | 2021-11-23 | 上海莘汭驱动技术有限公司 | Permanent magnet alternating current servo motor |
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