CN214479919U

CN214479919U - Rotor for permanent magnet machine

Info

Publication number: CN214479919U
Application number: CN202022470341.9U
Authority: CN
Inventors: 周力
Original assignee: Wuxi Susheng Electromechanical Technology Co ltd
Current assignee: Wuxi Susheng Electromechanical Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-10-22
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a rotor for permanent-magnet machine, including rotor body, the rotor body middle part is connected with the pivot, rotor body one end fixedly connected with front end plate, rotor body other end fixedly connected with back end plate, front end plate and back end plate are equipped with and are used for the radiating heat abstractor of rotor, heat abstractor is connected with dust keeper, and this a rotor for permanent-magnet machine gives off the heat that rotor body during operation produced and air inlet and gas outlet department are equipped with respectively with air feeding flabellum and bleeding through air inlet and the gas outlet that front end plate and back end plate were seted up for air flow rate in the rotor body, reinforcing radiating effect, the air inlet is equipped with dust keeper, can prevent that the dust from getting into the rotor originally internally.

Description

Rotor for permanent magnet machine

Technical Field

The utility model relates to a permanent magnet machine rotor technical field specifically is a rotor for permanent magnet machine.

Background

The rotor end plate is used for a permanent magnet motor rotor, generally, one motor is provided with two rotor end plates, the two rotor end plates are arranged on two axial sides of a rotor core formed by a plurality of rotor punching sheets, when the permanent magnet motor normally operates, the rotor theoretically has no fundamental wave loss, the rotor temperature rise is low, in practice, the rotor generates heat due to inevitable problems such as magnetic steel eddy current loss and harmonic loss, the temperature rise is increased, if the motor rotor does not radiate heat well, the magnetic steel temperature can rise, the back electromotive force can be reduced, the motor current is large, the motor work is influenced, even the motor is burnt, in the prior art, the rotor end plates of the permanent magnet motor are mostly flat plates, the two ends of the rotor end plates are not ventilated, a small part of rotors of a motor plant are provided with ventilation holes, the rotor is naturally cooled, the magnetic steel cannot radiate heat, and the overall performance of the motor is influenced. To this end, we propose a rotor for a permanent magnet machine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotor for permanent-magnet machine 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: a rotor for a permanent magnet machine comprises a rotor body, wherein a rotating shaft is connected to the middle of the rotor body, a front end plate is fixedly connected to one end of the rotor body, a rear end plate is fixedly connected to the other end of the rotor body, heat dissipation devices used for heat dissipation of the rotor are arranged on the front end plate and the rear end plate, and the heat dissipation devices are connected with a dustproof device.

Preferably, heat abstractor is including the flabellum of supplying air, the flabellum and pivot fixed connection supply air, the front end plate is opened there is inlet port and position and corresponds with the flabellum of supplying air, the rear end plate is opened there is venthole and position and corresponds with the air inlet, the inlet port one end is kept away from to the venthole site is equipped with the flabellum of bleeding, the flabellum and pivot fixed connection bleed, front end plate and rear end plate rotate to be connected with and gather the gas casing, reinforcing air flow rate increases the radiating effect.

Preferably, the dust keeper includes the dust guard, the dust guard with gather gas casing fixed connection, the dust guard is equipped with the stop device who is used for fixed dust guard, and dust is piled up the influence heat dissipation in the isolated air to placing the dust.

Preferably, stop device includes the bottom plate, the bottom plate with gather gas casing fixed connection, the bottom plate is opened there is the spout, spout fixedly connected with stopper, stopper sliding connection has the sliding block, sliding block and spout sliding connection, sliding block fixedly connected with spring, spring other end fixedly connected with fixed plate, sliding block sliding connection has the fixture block, fixture block and dust guard fixed connection, convenient to detach washs.

Preferably, the sliding block fixedly connected with pull rod is convenient for pull the sliding block.

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

the utility model discloses an air inlet and gas outlet that front end plate and rear end plate were seted up give off the heat that rotor body during operation produced and air inlet and gas outlet department are equipped with respectively and supply air flabellum and the flabellum that bleeds, drive the flabellum through the pivot and rotate for air flow rate in the rotor body, reinforcing radiating effect, the inlet end is equipped with dust keeper, can prevent that the dust from getting into the rotor originally internally.

Drawings

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

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of a heat dissipation device;

fig. 4 is a schematic structural view of the limiting device.

In the figure: 1-a rotor body; 2-a rotating shaft; 3-front end plate; 4-rear end plate; 5-a heat dissipation device; 6-a dust-proof device; 7-air supply fan blades; 8-air inlet holes; 9-air outlet holes; 10-air exhaust fan blades; 11-gas gathering shell; 12-dust guard; 13-a limiting device; 14-a base plate; 15-a chute; 16-a limiting block; 17-a slider; 18-a spring; 19-fixing the plate; 20-fixture block; 21-a pull rod.

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. 1-4, the present invention provides a technical solution: a rotor for a permanent magnet machine comprises a rotor body 1, wherein a rotating shaft 2 is connected to the middle of the rotor body 1, a front end plate 3 is fixedly connected to one end of the rotor body 1, a rear end plate 4 is fixedly connected to the other end of the rotor body 1, the front end plate 3 and the rear end plate 4 are provided with heat dissipation devices 5 used for dissipating heat of the rotor, the heat dissipation devices 5 are connected with dustproof devices 6, the heat of the rotor body 1 is reduced through the heat dissipation devices 5, and the dustproof devices 6 prevent dust from entering the rotor body 1.

The heat dissipation device 5 is including supplying air flabellum 7, supply air flabellum 7 and pivot 2 fixed connection, front end plate 3 is opened there is inlet port 8 and the position and is corresponded with supplying air flabellum 7, rear end plate 4 is opened there is venthole 9 and the position corresponds with the air inlet, 8 one end of inlet port is kept away from to venthole 9 position is equipped with the flabellum 10 of bleeding, the flabellum 10 of bleeding is equipped with pivot 2 fixed connection, front end plate 3 and rear end plate 4 rotate and are connected with and gather air casing 11, give off the heat that rotor body 1 during operation produced and air inlet and air outlet department are equipped with respectively and supply air flabellum 7 and the flabellum 10 of bleeding through the air inlet that front end plate 3 and rear end plate 4 were seted up and air outlet, drive the flabellum through pivot 2 and rotate for rotor body 1 air current dynamic rate in 1, reinforcing radiating effect.

The dustproof device 6 comprises a dustproof plate 12, the dustproof plate 12 is fixedly connected with the gas gathering shell 11, the dustproof plate 12 is provided with a limiting device 13 used for fixing the dustproof plate 12, and dust is isolated through the dustproof plate 12.

Stop device 13 includes bottom plate 14, bottom plate 14 with gather gas casing 11 fixed connection, bottom plate 14 is opened there is spout 15, spout 15 fixedly connected with stopper 16, stopper 16 sliding connection has sliding block 17, sliding block 17 and spout 15 sliding connection, sliding block 17 fixedly connected with spring 18, spring 18 other end fixedly connected with fixed plate 19, sliding block 17 sliding connection has fixture block 20, fixture block 20 and dust guard 12 fixed connection, through pulling sliding block 17, put into between sliding block 17 and stopper 16 with fixture block 20, loosen sliding block 17, sliding block 17 fixes fixture block 20 between sliding block 17 and stopper 16 under spring 18's spring action.

Sliding block 17 fixedly connected with pull rod 21 is convenient for pull sliding block 17.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A rotor for a permanent magnet machine, characterized by: including rotor body (1), rotor body (1) middle part is connected with pivot (2), rotor body (1) one end fixedly connected with front end plate (3), rotor body (1) other end fixedly connected with back end plate (4), front end plate (3) and back end plate (4) are equipped with and are used for radiating heat abstractor (5) of rotor, heat abstractor (5) are connected with dust keeper (6).

2. A rotor for a permanent magnet machine according to claim 1, wherein: heat abstractor (5) is including supplying air flabellum (7), supply air flabellum (7) and pivot (2) fixed connection, front end plate (3) are opened there is inlet port (8) and position and are corresponded with supply air flabellum (7), rear end plate (4) are opened there is venthole (9) and position and correspond with the air inlet, inlet port (8) one end is kept away from to venthole (9) position and are equipped with air bleed flabellum (10), air bleed flabellum (10) and pivot (2) fixed connection, front end plate (3) and rear end plate (4) rotate and are connected with and gather gas casing (11).

3. A rotor for a permanent magnet machine according to claim 2, wherein: the dustproof device (6) comprises a dustproof plate (12), the dustproof plate (12) is fixedly connected with the gas gathering shell (11), and the dustproof plate (12) is provided with a limiting device (13) used for fixing the dustproof plate (12).

4. A rotor for a permanent magnet machine according to claim 3, wherein: stop device (13) include bottom plate (14), bottom plate (14) with gather gas casing (11) fixed connection, bottom plate (14) are opened there are spout (15), spout (15) fixedly connected with stopper (16), stopper (16) sliding connection has sliding block (17), sliding block (17) and spout (15) sliding connection, sliding block (17) fixedly connected with spring (18), spring (18) other end fixedly connected with fixed plate (19), sliding block (17) sliding connection has fixture block (20), fixture block (20) and dust guard (12) fixed connection.

5. A rotor for a permanent magnet machine according to claim 4, wherein: the sliding block (17) is fixedly connected with a pull rod (21).