CN208608799U - A kind of permanent magnet synchronous servo motor rotor structure - Google Patents
A kind of permanent magnet synchronous servo motor rotor structure Download PDFInfo
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- CN208608799U CN208608799U CN201820232897.4U CN201820232897U CN208608799U CN 208608799 U CN208608799 U CN 208608799U CN 201820232897 U CN201820232897 U CN 201820232897U CN 208608799 U CN208608799 U CN 208608799U
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- conducting plate
- electric machine
- machine casing
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Abstract
The utility model relates to servo motor technical fields, in particular a kind of permanent magnet synchronous servo motor rotor structure, including electric machine casing and the rotor being set to inside electric machine casing, rotor includes rotor core, rotor core offers first shaft hole at one end center of drive end bearing bracket, heat-conducting plate is provided on the outside of first shaft hole, heat-conducting plate is provided with several flow deflectors far from a side surface of rotor core, the surface of heat-conducting plate offers air-permeating hole at flow deflector inside, several heat sinks are provided between rotor core and heat-conducting plate, the surface of rotor core offers several heat release holes between two adjacent heat sinks, the utility model structure is simple, it is easy to use, heat can be dispersed in time rotor inside motor by air flowing at work, heat sink is capable of increasing the contact area of rotor surface and air, to make It radiates faster, and Air Filter can be avoided dust entrance, can greatly prolong the service life of motor.
Description
Technical field
The utility model relates to servo motor technical field, specially a kind of permanent magnet synchronous servo motor rotor structure.
Background technique
Permasyn morot has that structure is simple, loss is small, power factor is high, high-efficient, power density is high etc. significantly
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-system, electric car, rail traffic, heating and ventilation, petroleum, 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.
Existing permanent magnet synchronous servo motor rotor can generate a large amount of heat at work since revolving speed is very big, if
It excludes not in time, being likely to result in persistently overheating inside motor influences motor work quality, or even can cause failure, and internal
Many dusts can inevitably be generated by working long hours, and cleaning up is time-consuming and laborious, in consideration of it, it is proposed that a kind of permanent magnet synchronous servo
Motor rotor construction.
Utility model content
The purpose of this utility model is to provide a kind of permanent magnet synchronous servo motor rotor structures, to solve above-mentioned background skill
The rotor rotation generation heat proposed in art can not remove and internal dust is difficult to the problems such as clearing up.
To achieve the above object, the utility model provides the following technical solutions:
A kind of permanent magnet synchronous servo motor rotor structure including electric machine casing and is set to inside the electric machine casing
The inside coaxial sleeve of rotor, the rotor is equipped with shaft, and the rotor includes rotor core, and the rotor core is in cylinder knot
Structure, the rotor core offer first shaft hole at one end center of drive end bearing bracket, are provided on the outside of the first shaft hole
Heat-conducting plate, the heat-conducting plate are circular configuration, offer the second axis hole, the diameter of the heat-conducting plate at the center of the heat-conducting plate
Identical as the diameter of section of rotor core, the heat-conducting plate is provided with several flow deflectors, institute far from a side surface of rotor core
Flow deflector is stated in evenly distributed, the flow deflector extends outwardly in bending structure and along the surface of heat-conducting plate, the heat-conducting plate
Surface on the inside of the flow deflector at offer air-permeating hole, the air-permeating hole is circular configuration；
Be provided with several heat sinks between the rotor core and heat-conducting plate, the two sides of the heat sink respectively with rotor iron
Core and heat-conducting plate closely weld, and the surface of the rotor core offers several dissipate between two adjacent heat sinks
Hot hole.
Preferably, one end of the electric machine casing is provided with drive end bearing bracket, and the electric machine casing is set far from one end of drive end bearing bracket
It is equipped with rear end cap, the inner wall of the electric machine casing is provided with stator, and terminal box, the electricity are provided at the top of the electric machine casing
The bottom of casing body is provided with pedestal.
Preferably, one end of the shaft and the inside of electric machine casing are connected by bearing, and the other end of the shaft passes through
It wears the center of the drive end bearing bracket and is connect at the center of the drive end bearing bracket by bearing.
Preferably, the rear end cap is internally provided with fan, and the fan is connect with rotating shaft transmission, the rear end cap is remote
Several exhaust vents are offered from the one side wall of shaft, the exhaust vent is in uniform spaced set.
Preferably, the heat release hole is circular configuration, and the surface of the heat release hole is provided with Air Filter.
Compared with prior art, easy to use the utility model has the beneficial effects that the utility model structure is simple, pass through
The heat-conducting plate and heat release hole rotor being provided with, capable of making the rotor inside motor, heat is flowed in time by air at work
It disperses, the contact area of rotor surface and air is capable of increasing by the heat sink being provided with, to make its heat dissipation faster, lead to
The Air Filter crossed inside heat release hole can be avoided dust entrance, can greatly prolong the service life of motor, the utility model tool
There is very big practical value, convenient for promoting.
Detailed description of the invention
Fig. 1 is the configuration schematic diagram of rotor in the utility model；
Fig. 2 is the schematic perspective view of the utility model；
Fig. 3 is the top view of the utility model；
Fig. 4 is the A-A sectional view in the utility model Fig. 3.
In figure: 1, electric machine casing；11, terminal box；12, stator；2, drive end bearing bracket；3, rear end cap；31, fan；32, outlet air
Hole；4, shaft；5, pedestal；6, rotor；61, rotor core；611, first shaft hole；612, heat sink；613, heat release hole；6131,
Air Filter；62, heat-conducting plate；621, flow deflector；622, air-permeating hole；623, the second axis hole.
Specific embodiment
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
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution:
A kind of permanent magnet synchronous servo motor rotor structure, including electric machine casing 1 and turn being set to inside electric machine casing 1
The inside coaxial sleeve of son 6, rotor 6 is equipped with shaft 4, and one end of shaft 4 is connect with the inside of electric machine casing 1 by bearing, shaft
4 other end runs through the center of drive end bearing bracket 2 and is connect at the center of drive end bearing bracket 2 by bearing, and rotor 6 includes rotor core
61, rotor core 61 is in cylindrical structure, and rotor core 61 offers first shaft hole 611 at one end center of drive end bearing bracket 2, is turned
Axis 4 is stretched out from first shaft hole 611, and the outside of first shaft hole 611 is provided with heat-conducting plate 62, and heat-conducting plate 62 is circular configuration, thermally conductive
The second axis hole 623 is offered at the center of plate 62, the diameter of heat-conducting plate 62 is identical as the diameter of section of rotor core 61, heat-conducting plate
62 side surfaces far from rotor core 61 are provided with several flow deflectors 621, and flow deflector 621 is in evenly distributed, flow deflector 621
Extend outwardly in bending structure and along the surface of heat-conducting plate 62, the surface of heat-conducting plate 62 opens up at 621 inside of flow deflector
There is air-permeating hole 622, air-permeating hole 622 is circular configuration, by the setting of flow deflector 621, can change the generation in rotation of rotor 6
Air flow direction, flow air-flow along air-permeating hole 622, to increase the superficial air velocity of rotor 6, cooling can be reached and dissipated
The effect of heat；
Be provided with several heat sinks 612 between rotor core 61 and heat-conducting plate 62, the two sides of heat sink 612 respectively with rotor
Iron core 61 and heat-conducting plate 62 closely weld, and heat sink 612 is capable of increasing the contact area on rotor 6 surface and air, to increase
Heat dissipation, the surface of rotor core 61 offers several heat release holes 613, heat release hole 613 between two adjacent heat sinks 612
The surface of circular configuration, and heat release hole 613 is provided with Air Filter 6131, heat release hole 613 can exclude hot gas, while will be outer
Air-flow importing in boundary's makes airflow circulating, and Air Filter 6131 therein can prevent the dust in air from entering, zero inside effective protection
Part.
One end of electric machine casing 1 is provided with drive end bearing bracket 2, and electric machine casing 1 is provided with rear end cap 3 far from one end of drive end bearing bracket 2,
Rear end cap 3 is internally provided with fan 31, and fan 31 and shaft 4 are sequentially connected, and rear end cap 3 is opened up far from the one side wall of shaft 4
There are several exhaust vents 32, exhaust vent 32 can be such that the both ends of rotor 6 produce in uniform spaced set by the setting of fan 31
The raw air-flow through entire motor substantially reduces so that motor be enable to make internal heat that air-flow be followed to exclude together in work
Internal temperature, the inner wall of the electric machine casing 1 are provided with stator 12, and the top of electric machine casing 1 is provided with terminal box 11, electricity
The bottom of casing body 1 is provided with pedestal 5, and pedestal 5 can guarantee the firm of motor.
Working principle of the utility model is: the rotation of inner rotator 6 turns when motor work to drive shaft 4 to rotate
Axis 4 connects equipment and can work, and rotor 6 can generate amount of heat in rotation, can change heat-conducting plate 62 by flow deflector 621
The air on surface flows to, and flows air-flow along air-permeating hole 622, and air-flow enters heat-conducting plate 62 and rotor 6 by air-permeating hole 622
Between space, air-flow velocity increase, to increase the superficial air velocity of rotor 6, can have the function that cooling and heat dissipation, dissipate
Hot plate 612 is capable of increasing the contact area on rotor 6 surface and air, to increase heat dissipation effect, heat release hole 613 can be by hot gas
It excludes, while external air flow importing is made into airflow circulating, Air Filter 6131 therein can prevent the dust in air from entering, have
Effect protection inner body can make the both ends of rotor 6 generate the air-flow for running through entire motor by the setting of fan 31, thus
Enable motor to make internal heat that air-flow be followed to exclude together in work, greatly reduces internal temperature.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
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 claimed it is practical
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 rotor structure, including electric machine casing (1) and it is set in the electric machine casing (1)
The rotor (6) in portion, it is characterised in that: the inside coaxial sleeve of the rotor (6) is equipped with shaft (4), and the rotor (6) includes rotor
Iron core (61), the rotor core (61) are in cylindrical structure, and the rotor core (61) is at one end center of drive end bearing bracket (2)
It offers first shaft hole (611), is provided with heat-conducting plate (62) on the outside of the first shaft hole (611), the heat-conducting plate (62) is
Circular configuration offers the second axis hole (623) at the center of the heat-conducting plate (62), the diameter and rotor of the heat-conducting plate (62)
The diameter of section of iron core (61) is identical, and the heat-conducting plate (62) is provided with several water conservancy diversion far from a side surface of rotor core (61)
Piece (621), the flow deflector (621) is in evenly distributed, and the flow deflector (621) is in bending structure and along heat-conducting plate (62)
Surface extends outwardly, and the surface of the heat-conducting plate (62) offers air-permeating hole (622) at flow deflector (621) inside, described
Air-permeating hole (622) is circular configuration；
It is provided with several heat sinks (612) between the rotor core (61) and heat-conducting plate (62), the two of the heat sink (612)
Side is closely welded with rotor core (61) and heat-conducting plate (62) respectively, and the surface of the rotor core (61) is located at two adjacent
Several heat release holes (613) are offered between the heat sink (612).
2. permanent magnet synchronous servo motor rotor structure according to claim 1, it is characterised in that: the electric machine casing (1)
One end be provided with drive end bearing bracket (2), the electric machine casing (1) is provided with rear end cap (3) far from the one end of drive end bearing bracket (2), described
The inner wall of electric machine casing (1) is provided with stator (12), is provided with terminal box (11), the electricity at the top of the electric machine casing (1)
The bottom of casing body (1) is provided with pedestal (5).
3. permanent magnet synchronous servo motor rotor structure according to claim 1, it is characterised in that: the one of the shaft (4)
End is connect with the inside of electric machine casing (1) by bearing, and the other end of the shaft (4) runs through the center of the drive end bearing bracket (2)
And it is connect at the center of the drive end bearing bracket (2) by bearing.
4. permanent magnet synchronous servo motor rotor structure according to claim 2, it is characterised in that: the rear end cap (3)
It being internally provided with fan (31), the fan (31) and shaft (4) are sequentially connected, and the one of the rear end cap (3) separate shaft (4)
Side wall offers several exhaust vents (32), and the exhaust vent (32) is in uniform spaced set.
5. permanent magnet synchronous servo motor rotor structure according to claim 1, it is characterised in that: the heat release hole (613)
The surface of circular configuration, and the heat release hole (613) is provided with Air Filter (6131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820232897.4U CN208608799U (en) | 2018-02-09 | 2018-02-09 | A kind of permanent magnet synchronous servo motor rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820232897.4U CN208608799U (en) | 2018-02-09 | 2018-02-09 | A kind of permanent magnet synchronous servo motor rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208608799U true CN208608799U (en) | 2019-03-15 |
Family
ID=65659474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820232897.4U Active CN208608799U (en) | 2018-02-09 | 2018-02-09 | A kind of permanent magnet synchronous servo motor rotor structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN208608799U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116365776A (en) * | 2023-04-10 | 2023-06-30 | 常州宝龙电机股份有限公司 | Low-voltage high-current inner rotor permanent magnet synchronous servo motor |
| CN116961285A (en) * | 2023-07-25 | 2023-10-27 | 金华江科动力有限公司 | Permanent magnet motor |
-
2018
- 2018-02-09 CN CN201820232897.4U patent/CN208608799U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116365776A (en) * | 2023-04-10 | 2023-06-30 | 常州宝龙电机股份有限公司 | Low-voltage high-current inner rotor permanent magnet synchronous servo motor |
| CN116365776B (en) * | 2023-04-10 | 2024-03-19 | 常州宝龙电机股份有限公司 | Low-voltage high-current inner rotor permanent magnet synchronous servo motor |
| CN116961285A (en) * | 2023-07-25 | 2023-10-27 | 金华江科动力有限公司 | Permanent magnet motor |
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