CN212137408U - Rotor structure of permanent magnet synchronous servo motor - Google Patents
Rotor structure of permanent magnet synchronous servo motor Download PDFInfo
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- CN212137408U CN212137408U CN202020966044.0U CN202020966044U CN212137408U CN 212137408 U CN212137408 U CN 212137408U CN 202020966044 U CN202020966044 U CN 202020966044U CN 212137408 U CN212137408 U CN 212137408U
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Abstract
The utility model relates to the technical field of servo motors, and discloses a rotor structure of a permanent magnet synchronous servo motor, which comprises a rotor, wherein a rotating shaft is coaxially sleeved in the rotor and passes through the rotor, a matched heat dissipation cylinder is sleeved outside the rotor, cooling liquid is arranged in the heat dissipation cylinder, the heat dissipation cylinder is connected with the rotor through a sleeving positioning mechanism, and fan blades are fixedly arranged on the shaft wall of the rotating shaft close to two ends; cup joint positioning mechanism includes the first halfcylinder of a plurality of fixed connection in heat-dissipating cylinder both ends cylinder opening position department, and the equal fixedly connected with in both ends of rotor is a plurality of second halfcylinders of laminating mutually with first halfcylinder, and first halfcylinder and second halfcylinder structure are the same, all are equipped with the external screw thread on the lateral surface of first halfcylinder and second halfcylinder. The utility model discloses the convenience carries out high-efficient heat dissipation to the synchronous servo motor rotor of permanent magnetism, avoids the inside high temperature of motor and influences normal work.
Description
Technical Field
The utility model relates to a servo motor technical field especially relates to a synchronous servo motor's of permanent magnetism rotor structure.
Background
The permanent magnet synchronous motor has the remarkable characteristics of simple structure, small loss, high power factor, high efficiency, high power density and the like. With the increasing requirements of the international society on low-carbon economy, energy conservation and emission reduction, the permanent magnet synchronous motor system is more and more widely applied to various fields such as servo systems, electric automobiles, rail transit, heating ventilation, petroleum, wind power generation and the like by virtue of the performance advantages of the permanent magnet synchronous motor system. Permanent magnet synchronous motors have a great variety of rotor structures, resulting in a large number of varieties with different characteristics and performances.
The existing permanent magnet synchronous servo motor rotor can generate a large amount of heat due to large rotating speed when working, if the heat is not removed in time, the interior of the motor can be continuously heated to influence the working quality of the motor, and even faults can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the permanent magnet synchronous servo motor rotor does not have good heat dissipation protect function among the prior art, and the rotor structure of the permanent magnet synchronous servo motor who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a rotor structure of a permanent magnet synchronous servo motor comprises a rotor, wherein a rotating shaft is coaxially sleeved inside the rotor and penetrates through the rotor, a matched heat dissipation cylinder is sleeved outside the rotor, cooling liquid is arranged in the heat dissipation cylinder, the heat dissipation cylinder and the rotor are connected through a sleeving positioning mechanism, and fan blades are fixedly mounted on shaft walls of the rotating shaft, close to two ends of the rotating shaft;
cup joint positioning mechanism includes the first halfcylinder of a plurality of fixed connection in radiating cylinder both ends nozzle position department, the equal fixedly connected with in both ends of rotor is a plurality of second halfcylinders of laminating mutually with first halfcylinder, and first halfcylinder and second halfcylinder structure are the same, all be equipped with the external screw thread on the lateral surface of first halfcylinder and second halfcylinder, the sleeve that matches has been cup jointed jointly in the outside of first halfcylinder and second halfcylinder, be equipped with the internal thread on the telescopic inner tube wall, and the common threaded connection of sleeve and first halfcylinder and second halfcylinder.
Preferably, the heat dissipation cylinder is made of heat dissipation metal, and the outer cylinder wall of the heat dissipation cylinder is provided with a plurality of uniformly distributed annular heat dissipation grooves.
Preferably, the outer cylinder wall of the sleeve is provided with anti-skid grains.
Preferably, an annular sealing ring matched with the rotor is fixedly sleeved at the position of a cylinder opening of the heat dissipation cylinder.
Preferably, the top of the heat dissipation cylinder close to one end is fixedly communicated with a liquid inlet, and the top end of the liquid inlet is in threaded connection with a matched sealing cover.
Compared with the prior art, the utility model provides a synchronous servo motor's of permanent magnetism rotor structure possesses following beneficial effect:
this permanent magnetism synchronous servo motor's rotor structure, through setting up the rotor, a rotating shaft, a heat dissipation section of thick bamboo, the coolant liquid, cup joint positioning mechanism and flabellum, the rotor drives the synchronous rotation of pivot, the heat that produces when the rotor rotates passes through in heat dissipation section of thick bamboo conduction to the coolant liquid, conveniently carry out high-efficient heat dissipation to the rotor through the coolant liquid, the coolant liquid after the heat absorption passes through the flabellum and rotates and drive the air flow, thereby conveniently dispel the heat to the coolant liquid and cool down, and, the coolant liquid that can drive in the heat dissipation section of thick bamboo when the rotor rotates rocks, it also can improve its radiating effect to rock the coolant liquid, thereby conveniently carry out good heat dissipation protection to the rotor, cup joint positioning mechanism makes.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the convenience carries out high-efficient heat dissipation to the synchronous servo motor rotor of permanent magnetism, avoids the inside high temperature of motor and influences normal work.
Drawings
Fig. 1 is a schematic structural diagram of a rotor structure of a permanent magnet synchronous servo motor according to the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: 1 rotor, 2 pivots, 3 heat-dissipating cylinders, 4 coolants, 5 fan blades, 6 first semi-cylinders, 7 second semi-cylinders, 8 sleeves, 9 annular heat-dissipating grooves, 10 annular sealing rings, 11 liquid inlets and 12 sealing covers.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-2, a rotor structure of a permanent magnet synchronous servo motor comprises a rotor 1, wherein a rotating shaft 2 is coaxially sleeved inside the rotor 1, the rotating shaft 2 penetrates through the rotor 1, a matched heat dissipation cylinder 3 is sleeved outside the rotor 1, cooling liquid 4 is arranged in the heat dissipation cylinder 3, the heat dissipation cylinder 3 is connected with the rotor 1 through a sleeving positioning mechanism, and fan blades 5 are fixedly mounted on shaft walls of the rotating shaft 2 close to two ends;
the sleeving positioning mechanism comprises a plurality of first semicylinders 6 fixedly connected at the positions of cylinder openings at two ends of a heat dissipation cylinder 3, two ends of a rotor 1 are fixedly connected with a plurality of second semicylinders 7 attached to the first semicylinders 6, the first semicylinders 6 and the second semicylinders 7 have the same structure, the outer side surfaces of the first semicylinders 6 and the second semicylinders 7 are respectively provided with an external thread, the outer sides of the first semicylinders 6 and the second semicylinders 7 are jointly sleeved with matched sleeves 8, the inner cylinder wall of each sleeve 8 is provided with an internal thread, the sleeves 8 are jointly in threaded connection with the first semicylinders 6 and the second semicylinders 7, the rotor 1 drives a rotating shaft 2 to synchronously rotate, heat generated when the rotor 1 rotates is conducted into cooling liquid 4 through the heat dissipation cylinder 3, the rotor 1 is conveniently and efficiently dissipated through the cooling liquid 4, the cooling liquid 4 after heat absorption drives air to flow through the rotation of, thereby the cooling of dispelling the heat to coolant liquid 4 is convenient, moreover, rotor 1 can drive coolant liquid 4 in the heat dissipation section of thick bamboo 3 when rotating and rock, it also can improve its radiating effect to rock coolant liquid 4, thereby conveniently carry out good heat dissipation protection to rotor 1, cup joint heat dissipation section of thick bamboo 3 in the rotor 1 outside, make a plurality of first semicylinders 6 and the laminating of second semicylinder 7 each other, rotating sleeve 8, make its and first semicylinder 6 and the common threaded connection of second semicylinder 7, can accomplish the location installation between heat dissipation section of thick bamboo 3 and the rotor 1.
The heat dissipation cylinder 3 is made of heat dissipation metal, and the outer cylinder wall of the heat dissipation cylinder 3 is provided with a plurality of uniformly distributed annular heat dissipation grooves 9, so that the heat dissipation area of the heat dissipation cylinder 3 is increased, and the heat dissipation effect is improved.
The outer cylinder wall of the sleeve 8 is provided with anti-slip lines, so that the adhesive force is increased, and the sleeve 8 is conveniently driven to rotate.
The annular sealing ring 10 matched with the rotor 1 is fixedly sleeved at the position of the opening of the heat dissipation cylinder 3, so that the sealing performance of the sleeving between the heat dissipation cylinder 3 and the rotor 1 is ensured, and the leakage of the cooling liquid 4 is avoided.
The top of the heat dissipation cylinder 3 close to one end is fixedly communicated with a liquid inlet 11, the top end position of the liquid inlet 11 is in threaded connection with a matched sealing cover 12, the sealing cover 12 is opened, and the liquid inlet 11 is improved to facilitate the addition of cooling liquid 4 into the heat dissipation cylinder 3.
The utility model discloses in, rotor 1 drives 2 synchronous rotations of pivot, the heat that produces when rotor 1 rotates is conducted to coolant liquid 4 in through heat dissipation section of thick bamboo 3, conveniently carry out high-efficient heat dissipation to rotor 1 through coolant liquid 4, coolant liquid 4 after the heat absorption rotates through flabellum 5 and drives the air flow, thereby conveniently dispel the heat to coolant liquid 4 and cool down, and, rotor 1 can drive coolant liquid 4 in the heat dissipation section of thick bamboo 3 when rotating and rock, it also can improve its radiating effect to rock coolant liquid 4, thereby conveniently carry out good heat dissipation protection to rotor 1, cup joint heat dissipation section of thick bamboo 3 in the rotor 1 outside, make a plurality of first halfcylinders 6 laminate each other with second halfcylinder 7, rotate sleeve 8, make its and first halfcylinder 6 and the common threaded connection of second halfcylinder 7, can accomplish the location installation between heat dissipation section of thick bamboo 3 and the rotor 1.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A rotor structure of a permanent magnet synchronous servo motor comprises a rotor (1), and is characterized in that a rotating shaft (2) is coaxially sleeved inside the rotor (1), the rotating shaft (2) penetrates through the rotor (1) to be arranged, a matched heat dissipation cylinder (3) is sleeved outside the rotor (1), cooling liquid (4) is arranged in the heat dissipation cylinder (3), the heat dissipation cylinder (3) is connected with the rotor (1) through a sleeving positioning mechanism, and fan blades (5) are fixedly mounted on shaft walls, close to two ends, of the rotating shaft (2);
cup joint positioning mechanism includes first halfcylinder (6) of a plurality of fixed connection in a heat dissipation section of thick bamboo (3) both ends nozzle position department, the equal fixedly connected with in both ends of rotor (1) a plurality of second halfcylinders (7) of laminating mutually with first halfcylinder (6), and first halfcylinder (6) and second halfcylinder (7) structure are the same, all be equipped with the external screw thread on the lateral surface of first halfcylinder (6) and second halfcylinder (7), sleeve (8) of matching have been cup jointed jointly in the outside of first halfcylinder (6) and second halfcylinder (7), be equipped with the internal thread on the interior section of thick bamboo wall of sleeve (8), and sleeve (8) and first halfcylinder (6) and second halfcylinder (7) common threaded connection.
2. The rotor structure of a PMSM according to claim 1, wherein the heat-dissipating cylinder (3) is made of heat-dissipating metal, and the outer cylinder wall of the heat-dissipating cylinder (3) is provided with a plurality of uniformly distributed annular heat-dissipating grooves (9).
3. The rotor structure of the permanent magnet synchronous servo motor as claimed in claim 1, wherein the outer cylinder wall of the sleeve (8) is provided with anti-slip threads.
4. The rotor structure of the permanent magnet synchronous servo motor according to claim 1, wherein an annular sealing ring (10) matched with the rotor (1) is fixedly sleeved at the position of the tube opening of the heat dissipation tube (3).
5. The rotor structure of the permanent magnet synchronous servo motor as recited in claim 1, wherein a liquid inlet (11) is fixedly communicated with the top of the heat dissipation cylinder (3) near one end, and a matched sealing cover (12) is connected with the top end of the liquid inlet (11) in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020966044.0U CN212137408U (en) | 2020-06-01 | 2020-06-01 | Rotor structure of permanent magnet synchronous servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020966044.0U CN212137408U (en) | 2020-06-01 | 2020-06-01 | Rotor structure of permanent magnet synchronous servo motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212137408U true CN212137408U (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020966044.0U Active CN212137408U (en) | 2020-06-01 | 2020-06-01 | Rotor structure of permanent magnet synchronous servo motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212137408U (en) |
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2020
- 2020-06-01 CN CN202020966044.0U patent/CN212137408U/en active Active
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