CN216851645U

CN216851645U - Permanent magnet synchronous servo motor

Info

Publication number: CN216851645U
Application number: CN202123098228.3U
Authority: CN
Inventors: 梁祖贵
Original assignee: Shenzhen Yajia Motor Co ltd
Current assignee: Shenzhen Yajia Motor Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-06-28
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses a synchronous servo motor of permanent magnetism, including motor body, rotor, output shaft, the inside output shaft that is equipped with of motor body, the rotor is fixed at output shaft annular surface, motor body, its characterized in that are passed to the one end of output shaft: the rear end of the motor body is provided with a heat exchange block, the rear end of the heat exchange block is provided with a heat exchange cavity, the front end of the heat exchange block is fixedly connected with a partition plate, the surface of the partition plate is provided with a ventilation hole, the area of the partition plate in the vertical direction is smaller than that of the heat exchange cavity, a ventilation groove is formed between the partition plate and the heat exchange cavity, the heat exchange cavity is communicated with the ventilation groove and the ventilation hole, the rear end of the output shaft is located inside the motor body, the rear section of the output shaft is fixedly connected with a magnet, the magnet generates magnetic force on the blades, the motor body can drive the magnet to rotate through the output shaft during working, the blades rotate, heat on the surface of the cooling fins is taken away, and the magnet and the blades are not in direct contact, so that the power loss of the motor body is reduced.

Description

Permanent magnet synchronous servo motor

Technical Field

The utility model belongs to the technical field of the motor technique and specifically relates to a permanent magnetism synchronous servo motor is related to.

Background

The permanent magnet motor adopts a permanent magnet to generate a magnetic field of the motor, does not need an excitation coil or an excitation current, has high efficiency and simple structure, is a good energy-saving motor, and widely adopts a permanent magnet synchronous servo motor to generate the magnetic field by adding the permanent magnet on a rotor in the field of medium and small capacity high-precision transmission;

the angle adjusting device of current patent (publication number CN208971302U a computer display screen, which comprises a supporting plate, slipmat and fixed plate, one side of backup pad lower extreme is all located to the slipmat, and the slipmat all is fixed connection with the backup pad, the fixed plate is located the upper end of backup pad, and fixed plate and backup pad run through the setting, one side of fixed plate upper end is all fixed and is equipped with the rotary rod, the upper end of rotary rod is all fixed and is provided with decides the pole.

Above-mentioned utility model adopts and set up the blade in that the motor is inside, and connect the output shaft fixed connection with motor self and come to reach the technological effect that increases the rotational speed along with the motor power changes, along with the long-time blade surface that uses of motor can adhere to the dust to increase air resistance, and then increase the power consumption of motor, but when clearing up the blade, just need take apart the motor whole time and energy consuming.

Therefore, a permanent magnet synchronous servo motor is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a permanent magnetism synchronous servo motor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a permanent magnetism synchronous servo motor, includes motor body, rotor, output shaft, the inside output shaft that is equipped with of motor body, the rotor is fixed at output shaft annular surface, motor body, its characterized in that are passed to the one end of output shaft: the rear end of motor body is equipped with the heat transfer piece, the heat transfer chamber has been seted up to the heat transfer piece rear end, heat transfer piece front end fixedly connected with baffle, the ventilation hole has been seted up on the baffle surface, the area of the vertical direction of baffle is less than the area in heat transfer chamber, and form the wind groove between the heat transfer chamber, the heat transfer chamber communicates with each other with wind groove and ventilation hole, the heat transfer intracavity portion is located baffle rear end surface and rotates through the pivot and be connected with the blade, the blade constitutes for the metal material, motor body rear end surface fixed connection has the fin, the fin is corresponding with the baffle, the output shaft rear end is located motor body inside, and its back end annular surface fixed connection has magnet, magnet produces magnetic force to the blade.

Preferably, the four corners of the front end of the heat exchange block are fixedly connected with guide rods, the corresponding positions of the four corners of the motor body and the heat exchange block are provided with guide grooves, and the guide rods are correspondingly matched with the guide grooves.

Preferably, an air inlet channel is formed in the guide rod and communicated with the air flowing groove.

Preferably, the radiating fins are made of copper materials and are not designed with a grid-shaped structure.

Preferably, the partition plate is made of metal materials and generates magnetic adsorption with the magnet, the total area of the vent holes exceeds one half of the total area of the partition plate, the magnet is designed to be of an annular structure, and the shell of the motor body is made of pure iron.

Preferably, the annular outer surface of the output shaft is fixedly connected with a sliding groove, the annular outer surface of the motor body, which is in contact with the output shaft, is provided with a sliding block, the sliding groove is located inside the sliding block, and the sliding groove and the sliding block are matched with each other correspondingly.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through arranging the structures such as the magnet, the blades, the air flowing grooves, the radiating fins, the air inlet channels and the like in the utility model, when the motor body 1 works, the magnet can be driven to rotate through the output shaft, so that the blades rotate, air is sucked from the air inlet channels, heat on the surfaces of the radiating fins is taken away through the air flowing grooves and the partition plates, and the magnet is not in direct contact with the blades, so that the power loss of the motor body is reduced;

2. still make heat exchange block can quick plug-in dismantlement through setting up guide way and guide bar and baffle to the person of facilitating the use maintains it.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a view of the overall structure of the present invention;

FIG. 2 is a structural view of the heat exchange block of the present invention;

fig. 3 is a cross-sectional view of the overall structure of the present invention.

Description of reference numerals:

1. a motor body; 11. a guide groove; 12. a slider; 13. a chute; 14. a rotor; 15. a magnet; 16. An output shaft; 17. a heat sink; 2. a heat exchange block; 21. a wind flowing groove; 22. a guide bar; 221. an air inlet channel; 23. a partition plate; 231. a vent hole; 24. a blade; 25. a heat exchange cavity.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution:

the utility model provides a permanent magnetism synchronous servo motor, includes motor body 1, rotor 14, output shaft 16, motor body 1 is inside to be equipped with output shaft 16, rotor 14 fixes at the 16 annular surfaces of output shaft, motor body 1 is passed to the one end of output shaft 16, its characterized in that: the rear end of the motor body 1 is provided with a heat exchange block 2, the rear end of the heat exchange block 2 is provided with a heat exchange cavity 25, the front end of the heat exchange block 2 is fixedly connected with a partition plate 23, the surface of the partition plate 23 is provided with a vent hole 231, the area of the partition plate 23 in the vertical direction is smaller than that of the heat exchange cavity 25, a vent groove 21 is formed between the partition plate and the heat exchange cavity 25, the heat exchange cavity 25 is communicated with the vent groove 21 and the vent hole 231, the outer surface of the rear end of the partition plate 23 inside the heat exchange cavity 25 is rotatably connected with a blade 24 through a rotating shaft, the blade 24 is made of metal materials, the outer surface of the rear end of the motor body 1 is fixedly connected with a cooling fin 17, the cooling fin 17 corresponds to the partition plate 23, the rear end of the output shaft 16 is located inside the motor body 1, the outer surface of the rear section of the output shaft is fixedly connected with a magnet 15, and the magnet 15 generates magnetic force on the blade 24.

Through adopting above-mentioned technical scheme, motor body 1 during operation can drive magnet 15 through output shaft 16 and rotate to make blade 24 rotatory, thereby take away the heat on fin 17 surface, thereby magnet 15 does not have direct contact with blade 24 and reduces motor body 1's power loss.

Preferably, the four corners of the front end of the heat exchange block 2 are fixedly connected with guide rods 22, the corresponding positions of the four corners of the motor body 1 and the heat exchange block 2 are provided with guide grooves 11, and the guide rods 22 are correspondingly matched with the guide grooves 11.

By adopting the technical scheme, the guide rod 22 and the guide groove 11 correspond to each other, so that a user can conveniently install the heat exchange block 2, and the user can conveniently detach and maintain the heat exchange block.

Preferably, an air inlet channel 221 is formed in the guide rod 22, and the air inlet channel 221 is communicated with the air flowing groove 21.

By adopting the above technical solution, the air inlet 221 sucks external air through the air flow groove 21, and takes away heat from the surface of the heat sink 17.

Preferably, the heat dissipation fins 17 are made of copper material, and are not designed with a grid-like structure.

Through adopting above-mentioned technical scheme, the heat conduction effect of copper is excellent, and the grid form can effectual increase heat radiating area volume to improve the radiating effect.

Preferably, the partition plate 23 is made of a metal material and generates magnetic attraction with the magnet 15, the total area of the ventilation holes 231 exceeds one half of the total area of the partition plate 23, the magnet 15 is designed to be of an annular structure, and the housing of the motor body 1 is made of pure iron.

Through adopting above-mentioned technical scheme, baffle 23 and 15 magnetic force of magnet adsorb, can the auxiliary user install heat exchange block 2 in motor body 1's rear end fast, also convenient the dismantlement simultaneously, the area in ventilation hole 231 is greater than the reduction baffle 23 that can the at utmost of the half of 23 total areas of baffle 23 to the separation of magnetic force, has guaranteed that blade 24 receives the magnetic force effect rotation of magnet 15, magnet 15 that the annular set up can last carries out magnetic force to blade 24 and adsorbs.

Preferably, the annular outer surface of the output shaft 16 is fixedly connected with a sliding groove 13, the annular outer surface of the motor body 1 contacting with the output shaft 16 is provided with a sliding block 12, the sliding groove 13 is located inside the sliding block 12, and the sliding groove 13 and the sliding block 12 are matched with each other correspondingly.

Through adopting above-mentioned technical scheme, improve output shaft 16 pivoted stability, avoid appearing the condition of shake from beginning to end.

The working principle is as follows: after a user powers on the motor body 1, the motor body 1 drives the output shaft 16 to rotate, the magnet 15 is driven to rotate through the output shaft 16, the magnet 15 and the blades 24 are mutually magnetically adsorbed, at the moment, the blades 24 rotate along with the magnet 15 under the influence of magnetic force, so that external air is sucked through the air inlet channel 221, heat on the surface of the guide groove 11 is taken away, heat on the surface of the radiating fins 17 is also taken away when air flows, the radiating effect is improved by increasing the radiating area, because the guide rod 22 and the guide groove 11 are correspondingly matched, the heat exchange block 2 is conveniently and quickly installed at the rear end of the motor body 1, meanwhile, the partition plate 23 also generates magnetic adsorption with the magnet 15, the fixing degree of the heat exchange block 2 and the motor body 1 is improved, the heat exchange block 2 is also convenient to detach and maintain by the user, during maintenance, the magnetic adsorption of the partition plate 23 and the magnet 15 can be disconnected by sliding the heat exchange block 2 backwards along the guide groove 11 through the guide rod 22, disassembly is facilitated and rotation of the vanes 24 does not excessively impede rotation of the output shaft 16.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a permanent magnetism synchronous servo motor, includes motor body (1), rotor (14), output shaft (16), motor body (1) inside is equipped with output shaft (16), rotor (14) are fixed in output shaft (16) annular surface, motor body (1) is passed to the one end of output shaft (16), its characterized in that: the rear end of the motor body (1) is provided with a heat exchange block (2), the rear end of the heat exchange block (2) is provided with a heat exchange cavity (25), the front end of the heat exchange block (2) is fixedly connected with a partition plate (23), the surface of the partition plate (23) is provided with a vent hole (231), the area of the partition plate (23) in the vertical direction is smaller than that of the heat exchange cavity (25), a wind flowing groove (21) is formed between the partition plate and the heat exchange cavity (25), the heat exchange cavity (25) is communicated with the wind flowing groove (21) and the vent hole (231), the inner part of the heat exchange cavity (25) is positioned on the outer surface of the rear end of the partition plate (23) and is rotatably connected with a blade (24) through a rotating shaft, the blade (24) is made of metal materials, the outer surface of the rear end of the motor body (1) is fixedly connected with a radiating fin (17), the radiating fin (17) corresponds to the partition plate (23), and the rear end of the output shaft (16) is positioned inside the motor body (1), and the outer surface of the ring shape of the rear section of the blade is fixedly connected with a magnet (15), and the magnet (15) generates magnetic force to the blade (24).

2. The permanent magnet synchronous servo motor according to claim 1, wherein: the motor is characterized in that guide rods (22) are fixedly connected to four corners of the front end of the heat exchange block (2), guide grooves (11) are formed in the positions, corresponding to the four corners of the heat exchange block (2), of the motor body (1), and the guide rods (22) are matched with the guide grooves (11) in a corresponding mode.

3. A permanent magnet synchronous servo motor according to claim 2, wherein: an air inlet channel (221) is formed in the guide rod (22), and the air inlet channel (221) is communicated with the air flowing groove (21).

4. A permanent magnet synchronous servo motor according to claim 3, wherein: the radiating fins (17) are made of copper materials and are not designed with a grid-shaped structure.

5. The permanent magnet synchronous servo motor according to claim 4, wherein: the motor is characterized in that the partition plate (23) is made of metal materials and generates magnetic adsorption with the magnet (15), the area sum of the ventilation holes (231) exceeds one half of the total area of the partition plate (23), the magnet (15) is designed to be of an annular structure, and the shell of the motor body (1) is made of pure iron.

6. The permanent magnet synchronous servo motor according to claim 5, wherein: the outer surface of the output shaft (16) is fixedly connected with a sliding groove (13), the outer surface of the motor body (1) contacting with the output shaft (16) is provided with a sliding block (12), the sliding groove (13) is located inside the sliding block (12), and the sliding block are matched with each other correspondingly.