CN216414083U

CN216414083U - Rotor end plate integrating heat dissipation and balance

Info

Publication number: CN216414083U
Application number: CN202121903925.9U
Authority: CN
Inventors: 施旭鑫; 李佳军; 余敏
Original assignee: Zhejiang Hansheng Motor Technology Co ltd
Current assignee: Zhejiang Hansheng Motor Technology Co ltd
Priority date: 2021-05-26
Filing date: 2021-08-13
Publication date: 2022-04-29
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses a rotor end plate integrating heat dissipation and balance, which comprises a disc body, wherein the disc body is sleeved on a motor rotating shaft and is linked with the motor rotating shaft, the disc body covers the end part of a rotor, a plurality of heat dissipation fins are arranged on the disc body, the heat dissipation fins and the disc body are integrally formed, the heat dissipation fins and the disc body are made of metal aluminum, and the heat dissipation fins are used as balance weight grinding parts for dynamic balance of a motor. The end plate has three functions, and can fix the magnetic steel in the rotor core to prevent axial movement. And secondly, the heat dissipation structure has a good heat dissipation area and strong heat dissipation performance. Secondly, replace traditional impeller, play the effect of giving the air current.

Description

Rotor end plate integrating heat dissipation and balance

Technical Field

The utility model belongs to the field of motors, relates to a motor rotor, and particularly relates to a rotor end plate integrating heat dissipation and balance.

Background

The purpose of the rotor end plates is to fix the two ends of the rotor so as to fix the magnetic steel in the rotor iron core to prevent axial movement, and metal aluminum is used as a material, and the purpose is mainly to prevent magnetic permeability.

The existing rotor end plate is also used for counterweight correction for the dynamic balance of the motor rotation, and has the following modes: 1. the end plate is directly cut and ground to meet the dynamic balance requirement. 2. The annular groove is opened, and the balance daub is added by a weight increasing method. 3. Adding a balance weight cylinder, and then grinding the cylinder.

The above two

forms

1 and 2 are single in action, and the 3 rd form is a plurality of forms.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a rotor end plate integrating heat dissipation and balance.

The purpose of the utility model can be realized by the following technical scheme: the rotor end plate integrating heat dissipation and balance is characterized by comprising a disc body, wherein the disc body is sleeved on a motor rotating shaft and is linked with the motor rotating shaft, the disc body covers the end part of a rotor, a plurality of heat dissipation fins are arranged on the disc body, the heat dissipation fins and the disc body are integrally formed, the heat dissipation fins and the disc body are made of metal aluminum, and the heat dissipation fins are used as balance weight grinding parts for dynamic balance of a motor.

Further, radiating fin annular array in the circumference in disk body axle center, radiating fin one end directional axle center, the directional disk body outer fringe of one end, radiating fin's surperficial perpendicular to disk body surface, radiating fin rotatory air current wind pressure that produces along with motor shaft, have the clearance that is used for flowing the air current between disk body and the stator.

Furthermore, the disc body is provided with hollow holes.

Furthermore, the disk bodies with the radiating fins are arranged at two ends of the rotor.

Furthermore, the radiating fins are arranged in an oblique angle when being arranged in an annular array.

Furthermore, the radiating fins are rectangular sheets.

Furthermore, the disk body is fixed on the motor rotating shaft through a clamp spring or a disk spring, the motor rotating shaft is provided with a clamp spring groove, the clamp spring or the disk spring presses the disk body, and the other surface of the disk body is attached to the rotor.

Furthermore, the motor rotating shaft is provided with one or more than one clamp spring groove which is not connected end to end, the clamp spring is connected in the clamp spring groove, the clamp spring presses the disk body, the other surface of the disk body is attached to the rotor, the inner ring of the clamp spring is provided with a convex part which is clamped in the clamp spring groove, the clamp spring is provided with a turning edge, and the turning edge is clamped between the two radiating fins of the disk body after being turned down.

Compared with the prior art, the end plate has three functions, and can firstly fix the magnetic steel in the rotor core to prevent axial movement. And secondly, the heat dissipation structure has a good heat dissipation area and strong heat dissipation performance. Secondly, replace traditional impeller, play the effect of giving the air current.

Drawings

Fig. 1 is a schematic view of the motor of the present invention.

Fig. 2 is a schematic view of the installation position of the present invention.

Fig. 3 is an exploded view of the present invention.

FIG. 4 is a schematic diagram of the present invention.

Figure 1 shows a motor shaft; 2, motor end cover; 3, a stator; 31 insulating paper; 4, a gap; 5 a disk body; 51 heat dissipation fins; 52 grinding the part; a 53-hole; 6, a clamp spring groove; 7, a clamp spring; 8, folding edges; 9 a convex part; 10 rotor.

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, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

The terms "a," "an," "two," and the like in the description of the utility model are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

As shown in fig. 1-4, the center of the motor is a rotor 10, the rotor 10 surrounds a stator 3, and the stator is provided with insulation paper 31 and enameled wires. The utility model is arranged at one end or two ends of a rotor 10 and comprises a disc body 5, wherein the disc body 5 is sleeved on a motor rotating shaft 1, and the disc body 5 is fixed on the motor rotating shaft 1 and is used for preventing the axial movement of a magnetic steel sheet of the rotor 10. The disc body 5 is different from the motor end cover 2, and the motor end cover 2 is connected to the shell.

Preferably, the motor shaft 1 is provided with a clamp spring groove 6, the clamp spring groove 6 is provided with a clamp spring 7 or a disc spring, the disc spring presses the disc body 5, and the disc body 5 presses the rotor 10. The disc body 5 is carried by frictional forces and rotates together with the motor shaft 1 and the rotor 10.

Preferably, a plurality of heat dissipation fins 51 are provided on the disk body 5, and the heat dissipation fins 51 are provided on a side of the disk body 5 facing away from the rotor 10.

The heat radiating fins 51 are integrally formed with the disc body 5, and the heat radiating fins 51 and the disc body 5 are made of metal aluminum. More preferably, the annular array of fins 51 is arranged in the circumferential direction of the axis of the disc body 5, one end of each fin 51 points to the axis, and the other end points to the outer edge of the disc body 5, and the annular array of fins 51 is arranged in an oblique angle. The heat dissipating fins 51 are rectangular fins, and the surfaces of the heat dissipating fins 51 are parallel to the axis of the disc body 5 and perpendicular to the surface of the disc body 5.

A gap 4 for flowing air current is formed between the disc body 5 and the stator 3, and the heat radiating fins 51 generate air current wind pressure along with the rotation of the motor rotating shaft 1 for heat radiation. Preferably, the disc body 5 is further provided with a hollowed-out hole 53 for better ventilation.

The heat dissipation fins 51 can be used as fan blades during rotation, and secondly, the heat dissipation area is enlarged, which is beneficial to heat dissipation inside the rotor 10.

The heat dissipating fins 51 serve as a balance weight grinding portion 52 for dynamic balance of the motor. In the motor rotation test, since the side edges thereof need to be ground in order to prevent the rotation from wobbling, the heat dissipating fins 51 also serve as grinding portions. Preferably, the clamp spring groove 6 is not annularly arranged on the motor rotating shaft 1, but only one groove is provided, the inner ring of the clamp spring 7 or the disc spring is provided with a convex part 9 which is clamped in the clamp spring groove 6, the clamp spring 7 or the disc spring is provided with a turned edge 8, and the turned edge 8 is clamped between the two radiating fins 51 of the disc body 5 after being turned down. Therefore, the position of the disk body 5 and the rotor 10 cannot be rotationally offset, and the position of the heat radiating fins 51 after being ground is ensured to be determined.

The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. The rotor end plate integrating heat dissipation and balance is characterized by comprising a disc body, wherein the disc body is sleeved on a motor rotating shaft and is linked with the motor rotating shaft, the disc body covers the end part of a rotor, a plurality of heat dissipation fins are arranged on the disc body, the heat dissipation fins and the disc body are integrally formed, the heat dissipation fins and the disc body are made of metal aluminum, and the heat dissipation fins are used as balance weight grinding parts for dynamic balance of a motor.

2. The integrated heat dissipation and balance rotor end plate of claim 1, wherein the heat dissipation fin ring array is arranged in the circumferential direction of the axis of the disk body, one end of the heat dissipation fin is directed to the axis, the other end of the heat dissipation fin is directed to the outer edge of the disk body, the surface of the heat dissipation fin is perpendicular to the surface of the disk body, the heat dissipation fin generates air flow and air pressure along with the rotation of the motor rotating shaft, and a gap for flowing air flow is formed between the disk body and the stator.

3. The integrated heat dissipation and balancing rotor end plate of claim 2, wherein the disk body is provided with hollowed holes.

4. The heat dissipating and balancing integrated rotor end plate of claim 1, wherein the disk bodies with the heat dissipating fins are provided at both ends of the rotor.

5. The heat dissipating and balancing integrated rotor end plate of claim 2, wherein the annular array of heat dissipating fins is arranged at an oblique angle.

6. The integrated heat sink and balance rotor end plate of claim 5, wherein said heat sink fins are rectangular fins.

7. The integrated heat dissipation and balance rotor end plate of claim 1, wherein the disk body is fixed to a motor shaft through a snap spring or a disk spring, the motor shaft is provided with a snap spring groove, the snap spring or the disk spring presses the disk body, and the other surface of the disk body is attached to the rotor.

8. The integrated heat dissipation and balance rotor end plate according to claim 1, wherein one or more clamp spring grooves are formed in the rotating shaft of the motor, the clamp springs are connected in the clamp spring grooves, the clamp springs press the disk body, the other side of the disk body is attached to the rotor, a protruding portion of an inner ring of each clamp spring is clamped in each clamp spring groove, a turnover edge is formed in each clamp spring, and the turnover edge is clamped between two heat dissipation fins of the disk body after being turned down.