CN209982236U

CN209982236U - High-speed air-cooled spindle brushless motor

Info

Publication number: CN209982236U
Application number: CN201921337150.6U
Authority: CN
Inventors: 廖卫平; 王�华
Original assignee: Changzhou Jing Control Motor And Electrical Appliance Co Ltd
Current assignee: Changzhou Jing Control Motor And Electrical Appliance Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-01-21
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a high-speed air-cooled spindle brushless motor, it is cotton including shell, fresh air inlet, rotating vane, heat dissipation through-hole and amortization, one side outside of shell is provided with the mounting panel, the shell is provided with the bearing frame with the intermediate position of mounting panel homonymy, be provided with the fresh air inlet all around of bearing frame, be provided with the axle core in the middle of the inside of bearing frame, the inside of shell is provided with the stator. The utility model has the advantages that: the utility model discloses install rotating vane on the axle center, rotating vane rotates and produces wind, inhales cold wind into the shell through the fresh air inlet, gives off the heat through the louvre, and then rotating vane discharges the heat through the heat dissipation through-hole, makes the inside temperature that keeps lower of motor, increases work efficiency; the utility model discloses an at the inside amortization cotton that sets up of motor housing, the sound that makes rotor running friction produce and rotating vane produces sound and can effectively adsorb, avoids causing noise pollution, and it is portable to use.

Description

High-speed air-cooled spindle brushless motor

Technical Field

The utility model belongs to the technical field of the motor, concretely relates to high-speed forced air cooling main shaft brushless motor.

Background

The brushless direct current motor is composed of a motor main body and a driver, and is a typical electromechanical integration product. Because the brushless DC motor is operated in a self-control mode, a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under the condition of heavy load under the condition of frequency conversion and speed regulation, and oscillation and step-out can not be generated when the load suddenly changes. The permanent magnet of the brushless DC motor with medium and small capacity is mostly made of rare earth neodymium iron boron (Nd-Fe-B) material with high magnetic energy level. Therefore, the volume of the rare earth permanent magnet brushless motor is reduced by one machine seat number compared with that of a same-capacity three-phase asynchronous motor.

The stator winding of the motor is mostly made into a three-phase symmetrical star connection method, which is very similar to a three-phase asynchronous motor. The rotor of the motor is adhered with a magnetized permanent magnet, and a position sensor is arranged in the motor for detecting the polarity of the rotor of the motor.

However, the existing spindle brushless motor often has certain defects in use: the existing spindle brushless motor is compact in structure, poor in narrow and small heat dissipation effect of the inner space, not beneficial to long-time use, capable of generating noise when used simultaneously and capable of influencing the use environment.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a high-speed forced air cooling main shaft brushless motor has the characteristics that the forced air cooling heat dissipation can be used for a long time and reduce noise.

In order to achieve the above object, the utility model provides a following technical scheme: a high-speed air-cooled brushless motor with a spindle comprises a shell, an air inlet, rotating blades, heat dissipation through holes and noise reduction cotton, a mounting plate is arranged on the outer side of one side of the shell, a bearing seat is arranged in the middle of the shell on the same side with the mounting plate, air inlet holes are arranged around the bearing seat, a shaft core is arranged in the middle of the inside of the bearing seat, a stator is arranged in the shell, a rotor is arranged at the inner side of the stator, heat dissipation holes are arranged in the rotor, one end of the shaft core, which is like a bearing seat, is provided with a rotating blade, the surface of the shell is provided with a heat dissipation through hole at the position corresponding to the rotating blade, silencing cotton is arranged on two sides of the inside of the shell, a key groove is arranged inside the rotating blade, the surface of mounting panel evenly is provided with the fixed orifices, the inside of fresh air inlet all is provided with the dust screen, be provided with the link between bearing frame and the shell.

Preferably, the shaft core is fixed with the bearing seat, the shaft core is fixed with the rotor, and the shaft core is fixed with the rotating blade through key connection.

Preferably, the rotor is embedded in the inner side of the stator, and the rotating blades are made of PVC.

Preferably, the mounting plate is spaced from the surface of the housing by a distance of five to ten millimeters.

Preferably, the position of the shell corresponding to the rotating blade is convex, and the circumferential surface and the side plane of the shell are both provided with heat dissipation through holes.

Preferably, the stator, the rotor and the rotating blades are all kept at a distance of two to five millimeters from the silencing cotton.

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

1. the utility model discloses installation rotating vane on the axle core, rotating vane rotates and produces wind, through the fresh air inlet with cold wind inspiration shell in, give off the heat through the louvre, then rotating vane passes through the heat dissipation through-hole with the heat and discharges, makes the inside lower temperature that keeps of motor, increases work efficiency, the blade that adopts the PVC material can reduce the static that air friction produced to reduce the dust cover on blade surface.

2. The utility model discloses an at the inside amortization cotton that sets up of motor housing, the sound that makes rotor rotational friction produce and rotating vane produces sound and can effectively adsorb, avoids the noise to spread from the motor is inside, avoids causing noise pollution, and it is portable to use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a rotary blade according to the present invention;

FIG. 3 is a schematic side view of the present invention;

in the figure: 1. mounting a plate; 2. a housing; 3. a bearing seat; 4. a shaft core; 5. an air inlet hole; 6. a rotor; 7. heat dissipation holes; 8. a rotating blade; 9. a heat dissipating through hole; 10. a stator; 11. silencing cotton; 12. a keyway; 13. a dust screen; 14. a connecting frame; 15. and (7) fixing holes.

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. 1-3, the present invention provides the following technical solutions: a high-speed air-cooled brushless motor with a spindle comprises a shell 2, an air inlet 5, rotating blades 8, heat dissipation through holes 9 and silencing cotton 11, wherein a mounting plate 1 is arranged on the outer side of one side of the shell 2, the surface distance from the mounting plate 1 to the shell 2 is five to ten millimeters, air can be conveniently sucked by the air inlet 5, a bearing seat 3 is arranged in the middle of the shell 2 on the same side with the mounting plate 1, the air inlet 5 is arranged on the periphery of the bearing seat 3, a spindle core 4 is arranged in the middle of the interior of the bearing seat 3, a stator 10 is arranged in the shell 2, a rotor 6 is arranged on the inner side of the stator 10 in an embedded manner and is convenient to rotate, heat dissipation holes 7 are formed in the interior of the rotor 6, the rotating blades 8 made of PVC are arranged at one end of the spindle core 4, the positions between the spindle core 4 and the bearing seat 3, the positions between the spindle, ensure that the installation is firm, the surface of shell 2 corresponds the position with rotating vane 8 and is provided with heat dissipation through-hole 9, shell 2 corresponds rotating vane 8's position arch, the periphery and the lateral plane of shell 2 all are provided with heat dissipation through-hole 9, increase heat radiating area, the inside both sides of shell 2 are provided with amortization cotton 11, stator 10, rotor 6 and rotating vane 8 all keep two to five millimeters distances with amortization cotton 11, prevent to scrape the wearing and tearing of amortization cotton 11, rotating vane 8's inside is provided with keyway 12, the surface of mounting panel 1 evenly is provided with fixed orifices 15, the inside of fresh air inlet 5 all is provided with dust screen 13, be provided with link 14 between bearing frame 3 and the shell 2.

The utility model discloses a theory of operation and use flow: the utility model discloses install, during the use, it is fixed to pass fixed bolt fixed orifices 15 messenger's motor, the motor is used for a long time, cause rotor 6 and stator 10 friction to produce a large amount of heats, electric motor rotor 6 rotates and makes 8 rotations of rotating vane rotate and produce wind, inhale cold wind through fresh air inlet 5 in the shell 2, give off the heat through louvre 7, then rotating vane 8 discharges the heat through cooling hole 9, make the inside lower temperature and the good environment that keeps of motor, increase work efficiency, through at the inside amortization cotton 11 that sets up of electric motor housing 2, make the sound that 6 rotational friction of rotor produced and rotating vane 8 produce sound and can effectively adsorb, avoid causing noise pollution, it is portable to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-speed forced air cooling main shaft brushless motor, includes shell (2), fresh air inlet (5), rotating vane (8), heat dissipation through-hole (9) and amortization cotton (11), its characterized in that: the improved structure of the wind power generator is characterized in that a mounting plate (1) is arranged on the outer side of one side of a shell (2), a bearing seat (3) is arranged at the middle position of the shell (2) on the same side as the mounting plate (1), air inlet holes (5) are formed in the periphery of the bearing seat (3), a shaft core (4) is arranged in the middle of the inside of the bearing seat (3), a stator (10) is arranged in the shell (2), a rotor (6) is arranged on the inner side of the stator (10), heat dissipation holes (7) are formed in the rotor (6), a rotating blade (8) is arranged at one end of the shaft core (4) of the case bearing seat (3), heat dissipation through holes (9) are formed in the surface of the shell (2) and in the position corresponding to the rotating blade (8), silencing cotton (11) is arranged on two sides of the inside, the surface of mounting panel (1) evenly is provided with fixed orifices (15), the inside of fresh air inlet (5) all is provided with dust screen (13), be provided with link (14) between bearing frame (3) and shell (2).

2. A high speed air-cooled brushless spindle motor according to claim 1, wherein: the shaft core (4) and the bearing seat (3), the shaft core (4) and the rotor (6) and the shaft core (4) and the rotating blade (8) are fixedly connected through keys.

3. A high speed air-cooled brushless spindle motor according to claim 1, wherein: the rotor (6) is embedded in the inner side of the stator (10), and the rotating blades (8) are made of PVC.

4. A high speed air-cooled brushless spindle motor according to claim 1, wherein: the surface distance from the mounting plate (1) to the shell (2) is five to ten millimeters.

5. A high speed air-cooled brushless spindle motor according to claim 1, wherein: the position of the shell (2) corresponding to the rotating blade (8) is raised, and the circumferential surface and the side plane of the shell (2) are both provided with heat dissipation through holes (9).

6. A high speed air-cooled brushless spindle motor according to claim 1, wherein: the stator (10), the rotor (6) and the rotating blades (8) are all kept at a distance of two to five millimeters from the silencing cotton (11).