CN216414099U - Rotor structure of permanent magnet synchronous servo motor - Google Patents
Rotor structure of permanent magnet synchronous servo motor Download PDFInfo
- Publication number
- CN216414099U CN216414099U CN202121745882.6U CN202121745882U CN216414099U CN 216414099 U CN216414099 U CN 216414099U CN 202121745882 U CN202121745882 U CN 202121745882U CN 216414099 U CN216414099 U CN 216414099U
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- Prior art keywords
- gear
- heat dissipation
- rotating rod
- permanent magnet
- servo motor
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 18
- 230000017525 heat dissipation Effects 0.000 claims abstract description 41
- 238000009423 ventilation Methods 0.000 claims abstract description 29
- 238000007664 blowing Methods 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Abstract
The utility model discloses a rotor structure of a permanent magnet synchronous servo motor, which comprises a rotor body, a rotating shaft, a fan cover and a heat dissipation mechanism, wherein the rotating shaft is arranged on each of two sides of the rotating shaft body; the heat dissipation mechanism comprises a first rotating rod, fan blades, a second gear, a second rotating rod, a third gear, a heat dissipation plate, a blowing pipe, a first ventilation opening and a second ventilation opening, wherein the inner bottom surface of the fan housing is movably connected with the first rotating rod, the fan blades are fixedly connected to the surface of the first rotating rod, and the second gear is fixedly connected to the surface of the first rotating rod and one side of the fan blades.
Description
Technical Field
The utility model relates to the technical field of servo motors, in particular to a rotor structure of a permanent magnet synchronous servo motor.
Background
In recent years, with the continuous improvement and perfection of the performance of permanent magnet materials, particularly the improvement of the thermal stability and corrosion resistance of neodymium iron boron permanent magnet, the gradual reduction of the price and the further development of power electronic devices, and the gradual maturity of the research and development experience of the permanent magnet motor, the permanent magnet motor is widely applied in the aspects of national defense, industrial and agricultural production, daily life and the like through the vigorous popularization and application of the existing research results, a permanent magnet motor is widely adopted in the field of middle and small-capacity high-precision transmission, a permanent magnet synchronous servo motor is used for generating a magnetic field by adding a permanent magnet on a rotor, and due to the inherent characteristics of the permanent magnet materials, a strong permanent magnetic field can be established in the surrounding space without additional energy, so that the motor structure can be simplified, and the energy can be saved;
however, the rotor structure of the current permanent magnet synchronous servo motor generates a large amount of heat during working, a common heat dissipation mode is to install fan blades on a rotating shaft for heat dissipation operation, but when the rotating shaft is slow, the heat dissipation effect is poor and the external temperature is high, the heat dissipation capability is also poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rotor structure of a permanent magnet synchronous servo motor, which can effectively increase the rotating speed of fan blades so as to increase the heat dissipation capability and can effectively convert hot air into cold air so as to increase the heat dissipation capability when the external temperature is higher.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the rotor structure of the permanent magnet synchronous servo motor comprises a rotor body, a rotating shaft, a fan cover and a heat dissipation mechanism, wherein the rotating shaft is arranged on each of two sides of the rotating shaft body, the heat dissipation mechanism is arranged inside the fan cover, and a first gear is fixedly connected to the surface of the rotating shaft;
the heat dissipation mechanism comprises a first rotating rod, fan blades, a second gear, a second rotating rod, a third gear, a heat dissipation plate, a blowing pipe, a first ventilation opening and a second ventilation opening, the inner bottom surface of the fan housing is movably connected with the first rotating rod, the surface of the first rotating rod is fixedly connected with the fan blades, the surface of the first rotating rod is fixedly connected with the second gear on one side of the fan blades, the inner top end of the fan housing is movably connected with the second rotating rod, the surface of the second rotating rod is fixedly connected with the third gear, the heat dissipation plate is arranged inside the fan housing and on one side of the second rotating rod, the first ventilation opening is arranged inside the heat dissipation plate, the blowing pipe is fixedly connected with the inside of the first ventilation opening, and the second ventilation opening is arranged at one end of the blowing pipe.
As a further scheme of the utility model: the first gear, the second gear and the third gear are all bevel gears, the first gear is meshed with the third gear, and the third gear is meshed with the second gear.
As a further scheme of the utility model: the number of teeth of the first gear is greater than that of the third gear, and the number of teeth of the second gear is greater than that of the second gear.
As a further scheme of the utility model: the lateral wall of fan housing is provided with the ventilation hole, and the quantity in ventilation hole is provided with a plurality ofly.
As a further scheme of the utility model: the number of the first ventilation openings is provided with a plurality of ventilation openings, and the inner diameter of each ventilation opening is larger than that of each ventilation opening.
As a further scheme of the utility model: the heating panel is made of aluminum alloy materials, and the blowing pipe is in a round table shape.
The utility model has the beneficial effects that:
1. in the utility model, by arranging the heat dissipation mechanism which comprises a first rotating rod, fan blades, a second gear, a second rotating rod, a third gear, a heat dissipation plate, a blowing pipe, a first ventilation opening and a second ventilation opening, when the rotor body works to drive the rotating shaft to rotate, the rotating shaft rotates to drive the first gear to rotate, the first gear is meshed with the third gear, the third gear is meshed with the second gear, because the number of teeth of the first gear is greater than that of the third gear, the number of teeth of the third gear is greater than that of the second gear, the third gear is driven to rotate by the first gear, when the third gear drives the second gear to rotate, the rotating speed of the first rotating rod is increased, so that the rotation of the driving fan blades is accelerated, the heat dissipation capacity is increased, when the external temperature is higher, the fan blades blow to the heat dissipation plate to absorb heat, enter the blowing pipe through the first ventilation opening, and finally blow out cold air through the second ventilation opening to dissipate heat, because of the size of the second vent is smaller than that of the first vent, a small throttling effect can be generated, the temperature near the second vent is reduced, the radiating effect is improved, the use is convenient, the operation is simple, the rotating speed of the fan blades can be effectively increased, the hot air can be effectively radiated under the condition of higher external temperature, and the radiating effect is achieved, so that the service life of the rotor body is prolonged.
Drawings
FIG. 1 is a side view of the overall structure of a rotor structure of a permanent magnet synchronous servo motor according to the present invention;
fig. 2 is a front view showing the overall structure of a rotor structure of a permanent magnet synchronous servo motor in the present invention;
fig. 3 is a side view showing the entire structure of a rotor structure of a permanent magnet synchronous servo motor in the present invention;
illustration of the drawings: 1. a rotor body; 2. a rotating shaft; 3. a fan housing; 4. a heat dissipation mechanism; 21. a first gear; 31. a vent hole; 41. a first rotating lever; 42. a fan blade; 43. a second gear; 44. a second rotating rod; 45. a third gear; 46. a heat dissipation plate; 47. a blowpipe; 48. a first vent; 49. and a second ventilation opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Specific examples are given below.
Referring to fig. 1 to 3, the rotor structure of the permanent magnet synchronous servo motor includes a rotor body 1, a rotating shaft 2, a fan housing 3 and a heat dissipation mechanism 4, wherein the rotating shaft 2 is disposed on both sides of the rotating shaft 2, the heat dissipation mechanism 4 is disposed inside the fan housing 3, a plurality of air holes 31 are disposed on the outer side wall of the fan housing 3, the number of the air holes 31 is increased, the circulation speed of air is increased, and a first gear 21 is fixedly connected to the surface of the rotating shaft 2;
the heat dissipation mechanism 4 comprises a first rotating rod 41, a fan blade 42, a second gear 43, a second rotating rod 44, a third gear 45, a heat dissipation plate 46, a blowing pipe 47, a first ventilation opening 48 and a second ventilation opening 49, the inner bottom surface of the fan housing 3 is movably connected with the first rotating rod 41, the surface of the first rotating rod 41 is fixedly connected with the fan blade 42, the surface of the first rotating rod 41 and positioned at one side of the fan blade 42 is fixedly connected with the second gear 43, the inner top end of the fan housing 3 is movably connected with the second rotating rod 44, the surface of the second rotating rod 44 is fixedly connected with the third gear 45, the first gear 21 is meshed with the third gear 45, the third gear 45 is conveniently driven to rotate by the first gear 21, the third gear 45 is meshed with the second gear 43, the second gear 43 is conveniently driven to rotate by the third gear 45, the first gear 21, the second gear 43 and the third gear 45 are both bevel gears, and are conveniently connected for transmission, a heat dissipation plate 46 is fixedly connected to one side of the second rotating rod 44 inside the fan housing 3, the heat dissipation plate 46 is made of an aluminum alloy material, the heat dissipation plate 46 can effectively absorb heat to achieve the purpose of heat dissipation, a first vent 48 is arranged inside the heat dissipation plate 46, a blowpipe 47 is fixedly connected inside the first vent 48, the blowpipe 47 is in a circular truncated cone shape, a second vent 49 is arranged at one end of the blowpipe 47, a plurality of first vents 48 are arranged, the inner diameter of each first vent 48 is larger than that of each second vent 49, the throttling effect can be generated to reduce the air temperature near the second ventilation opening 49, the number of teeth of the first gear 21 is greater than that of the third gear 45, the number of teeth of the second gear 43 is greater than that of the second gear 43, by reducing the number of teeth of the third gear 45 and the second gear 43, increasing the rotational speed of the first lever 41 during a drop gear transmission can increase the heat dissipation effect of the fan blades 42.
The working principle is as follows: when the rotor body 1 works to drive the rotating shaft 2 to rotate, the rotating shaft 2 rotates to drive the first gear 21 to rotate, the first gear 21 is meshed with the third gear 45, the third gear 45 is meshed with the second gear 43, the number of teeth of the first gear 21 is larger than that of the third gear 45, the number of teeth of the third gear 45 is larger than that of the second gear 43, the third gear 45 is driven to rotate by the first gear 21, the rotating speed of the first rotating rod 41 is increased when the third gear 45 drives the second gear 43 to rotate, so that the rotation of the fan blades 42 is accelerated, the heat dissipation capacity is increased, when the external temperature is high, the fan blades 42 blow air to the heat dissipation plate 46 to absorb heat, the air enters the blowing pipe 47 through the first vent 48, and finally the second vent 49 blows out cool air to dissipate heat, and a small throttling effect can be generated due to the fact that the size of the second vent 49 is smaller than that of the first vent 48, so that the temperature near the second vent 49 is reduced and the heat dissipation effect is increased And (5) fruit.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The rotor structure of the permanent magnet synchronous servo motor is characterized by comprising a rotor body (1), a rotating shaft (2), a fan cover (3) and a heat dissipation mechanism (4), wherein the rotating shaft (2) is arranged on two sides of the rotating shaft (2), the heat dissipation mechanism (4) is arranged inside the fan cover (3), and a first gear (21) is fixedly connected to the surface of the rotating shaft (2);
the heat dissipation mechanism (4) comprises a first rotating rod (41), fan blades (42), a second gear (43), a second rotating rod (44), a third gear (45), a heat dissipation plate (46), a blowing pipe (47), a first ventilation opening (48) and a second ventilation opening (49), the inner bottom surface of the fan housing (3) is movably connected with the first rotating rod (41), the surface of the first rotating rod (41) is fixedly connected with the fan blades (42), the surface of the first rotating rod (41) is fixedly connected with the second gear (43) on one side of the fan blades (42), the inner top end of the fan housing (3) is movably connected with the second rotating rod (44), the surface of the second rotating rod (44) is fixedly connected with the third gear (45), the heat dissipation plate (3) is fixedly connected with the heat dissipation plate (46) on one side of the second rotating rod (44), and the first ventilation opening (48) is arranged in the heat dissipation plate (46), the inner part of the first ventilation opening (48) is fixedly connected with a blowing pipe (47), and one end of the blowing pipe (47) is provided with a second ventilation opening (49).
2. The rotor structure of a permanent magnet synchronous servo motor according to claim 1, wherein the first gear (21), the second gear (43) and the third gear (45) are all bevel gears, the first gear (21) and the third gear (45) are meshed with each other, and the third gear (45) and the second gear (43) are meshed with each other.
3. The rotor structure of a permanent magnet synchronous servo motor according to claim 1, wherein the number of teeth of the first gear (21) is greater than the number of teeth of the third gear (45), and the number of teeth of the second gear (43) is greater than the number of teeth of the second gear (43).
4. The rotor structure of a permanent magnet synchronous servo motor according to claim 1, wherein the outer side wall of the fan housing (3) is provided with a plurality of vent holes (31), and the number of vent holes (31) is provided with a plurality.
5. The rotor structure of a permanent magnet synchronous servo motor according to claim 1, wherein the number of the first ventilation openings (48) is provided in plurality, and the inner diameter of the first ventilation openings (48) is larger than the inner diameter of the second ventilation openings (49).
6. The rotor structure of a permanent magnet synchronous servo motor according to claim 1, wherein the heat radiating plate (46) is made of an aluminum alloy material, and the blowing pipe (47) has a circular truncated cone shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121745882.6U CN216414099U (en) | 2021-07-29 | 2021-07-29 | Rotor structure of permanent magnet synchronous servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121745882.6U CN216414099U (en) | 2021-07-29 | 2021-07-29 | Rotor structure of permanent magnet synchronous servo motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216414099U true CN216414099U (en) | 2022-04-29 |
Family
ID=81288365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121745882.6U Expired - Fee Related CN216414099U (en) | 2021-07-29 | 2021-07-29 | Rotor structure of permanent magnet synchronous servo motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216414099U (en) |
-
2021
- 2021-07-29 CN CN202121745882.6U patent/CN216414099U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220429 |
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| CF01 | Termination of patent right due to non-payment of annual fee |