CN218829395U

CN218829395U - High-strength motor end cover with good air exhaust and heat dissipation effects and motor

Info

Publication number: CN218829395U
Application number: CN202223154694.3U
Authority: CN
Inventors: 邢兴州
Original assignee: Shengzhou Kechuang Motor Co ltd
Current assignee: Shengzhou Kechuang Motor Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-07
Anticipated expiration: 2032-11-28

Abstract

The utility model provides a motor end cover and motor that radiating effect is good are aired exhaust to intensity height, and the shape of motor end cover is [ shape, and the centre of motor end cover is equipped with the shaft hole that supplies the motor shaft to stretch out, and the rear surface of motor end cover is equipped with the bearing mount pad that is used for the bearing of erection bracing motor shaft, and the bearing mount pad is the annular, is equipped with a plurality of heat radiation fin pieces along circumference on the motor end cover lateral wall, heat radiation fin piece's length direction is along the axial of motor end cover, and heat radiation fin piece includes first heat radiation fin piece and second heat radiation fin piece, forms one row of wind gap between per two second heat radiation fin pieces. The utility model improves the ventilation and heat dissipation effect of the motor, and greatly improves the heat dissipation efficiency of the motor; the reinforcing structure is arranged at the weak position of the structure, so that the overall strength of the motor end cover is improved.

Description

High-strength motor end cover with good air exhaust and heat dissipation effects and motor

Technical Field

The utility model belongs to the technical field of the motor, especially, relate to motor end cover and motor that the radiating effect is good are aired exhaust to intensity height.

Background

The high-speed motor used on plastic wire drawing equipment in the plastic machinery industry at present needs fan blades and driving wheels at the output end in order to meet the requirements of equipment transmission and motor heat dissipation, so that the installation mode of the high-speed motor can not adopt a common vertical motor structure, but only can adopt a common horizontal motor structure. However, the horizontal motor occupies a relatively large installation space of the plastic wire drawing equipment, and the manufacturing cost of the motor is high. How to improve the structure of the existing high-speed motor, reduce the installation space of the equipment as much as possible and reduce the manufacturing cost of the motor is a technical subject worthy of research by technical personnel in the field of motors.

In addition, the existing high-speed motor air exhaust mode is provided with a plurality of strip-shaped air exhaust openings at the left side and the right side of the front end cover, and even provided with a plurality of strip-shaped air exhaust openings at the left side, the right side and the lower part of the front end cover; or the left side and the right side of the front end cover are provided with rectangular air outlets with larger areas, for safety, a thin iron plate is punched into a window cover plate (a plurality of small holes are punched on the plate to facilitate air exhaust), and the window cover plate is fixed on the outer side of the air outlets by screws. The air exhaust mode of the high-speed motor has the following defects: the air outlet area is large, so that the integral strength of the front end cover is weakened; the exhaust heat dissipation effect is not good, the temperature of the motor is increased, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving following technical problem: the high-speed motor structure needs to reduce the equipment installation space as much as possible and reduce the manufacturing cost of the motor; the existing high-speed motor air exhaust mode has large air outlet area, causes the weakening of the whole strength of a front end cover, has poor air exhaust and heat dissipation effects, and has high motor temperature and low efficiency.

The utility model provides a motor end cover and motor that radiating effect is good are aired exhaust to intensity height.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the motor end cover is high in strength, good in air exhaust and heat dissipation effects, the motor end cover is in a shape of a 'shape', a shaft hole for a motor shaft to extend out is formed in the middle of the motor end cover, a bearing mounting seat for mounting and supporting a bearing of the motor shaft is arranged on the rear surface of the motor end cover and is annular, a plurality of heat dissipation fins are arranged on the side wall of the motor end cover along the circumferential direction, the length direction of the heat dissipation fins is along the axial direction of the motor end cover, the heat dissipation fins comprise first heat dissipation fins and second heat dissipation fins, and an exhaust port is formed between every two second heat dissipation fins.

As a preferred technical scheme, the second heat dissipation fin is in a trapezoidal plate strip shape, and the height of the second heat dissipation fin is gradually narrowed from back to front.

As a preferred technical scheme, a plurality of first radiating ribs and a plurality of second radiating ribs are uniformly distributed on the half circumference of the side wall of the motor end cover respectively.

As a preferred technical scheme, triangular reinforcing ribs are arranged on the rear surface of the motor end cover at the connecting corners of the second heat dissipation fins.

As a preferred technical scheme, a plurality of end cover mounting lugs extend outwards from the side wall of the motor end cover along the circumferential direction.

As an optimal technical scheme, a plurality of wind-blocking ring mounting columns are arranged on the rear surface of the motor end cover along the circumferential direction, the wind-blocking ring mounting columns have taper, and connecting ribs are arranged between the wind-blocking ring mounting columns and the bearing mounting seat and between the wind-blocking ring mounting columns and the side wall of the motor end cover.

The motor comprises a motor end cover with high strength and good air exhaust and heat dissipation effects, and further comprises a barrel shell, a motor shaft, a stator and a rotor, wherein the rotor is fixedly arranged on the motor shaft, the stator is fixedly arranged in the barrel shell and positioned outside the rotor, the motor end cover is fixedly arranged at one end of the barrel shell, and one end of the motor shaft is rotatably connected to the motor end cover through a bearing.

After the technical scheme is adopted, the utility model has the advantages of as follows:

1. the utility model discloses a motor end cover that radiating effect is good is aired exhaust to intensity height sets up a plurality of heat dissipation fins along circumference on the motor end cover lateral wall, has strengthened the structural strength of motor again when the radiating effect of reinforcing motor.

2. The utility model discloses a motor end cover that radiating effect is good is aired exhaust to intensity height, form one row of wind gap through between per two second radiating rib pieces, make the motor fan blade in high rotatory, produce the negative pressure in the motor end cover, the pressure of airing exhaust has been improved, by the cooling air that motor rear end cover or back shroud air intake got into, along the inside stator of motor, the velocity of flow of space axial between the rotor front portion motor end cover of flow accelerates, it is more smooth and easy to air exhaust, the ventilation cooling effect is improved, the radiating efficiency of motor is greatly improved.

3. The utility model discloses a motor end cover that radiating effect is good is aired exhaust to intensity height advances in the weak department of structure and has set up additional strengthening: triangular reinforcing ribs are arranged on the rear surface of the motor end cover at the connecting corners of the second heat dissipation fins; connecting ribs are arranged between the wind-blocking ring mounting column and the bearing mounting seat and between the wind-blocking ring column and the side wall of the motor end cover, so that the overall strength of the motor end cover is improved.

Drawings

FIG. 1 is a schematic structural view of the front side of a motor end cover with high strength and good air exhaust and heat dissipation effects;

FIG. 2 is a schematic structural view of the reverse side of a motor end cover with high strength and good air exhaust and heat dissipation effects;

FIG. 3 is a front view of a motor end cap with high strength and good air exhaust and heat dissipation effects;

FIG. 4 is a rear view of a motor end cap with high strength and good air exhaust and heat dissipation effects;

FIG. 5 is a side view of a motor end cap with high strength and good air exhaust and heat dissipation effects;

FIG. 6 is a schematic structural view of the motor;

in the figure:

1-shaft hole; 2-bearing mounting seats; 3-end cover mounting lugs; 4-heat dissipation fins; 41-a first heat sink fin; 42-a second heat dissipating fin; 5-triangular reinforcing ribs; 6-positioning a spigot; 7-a wind-shield ring mounting column; 8-connecting ribs; 9-a cartridge shell; 10-motor shaft; 11-a stator; 12-a rotor; 13-a wind-shield ring; 14-bearing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in figures 1-5, the motor end cover with high strength and good air exhaust and heat dissipation effects is in a shape of a 'shape'. The middle of the motor end cover is provided with a shaft hole 1 for the motor shaft to extend out. The rear surface of motor end cover is equipped with bearing mount pad 2 that is used for the bearing of installation support motor shaft, and bearing mount pad 2 is the annular.

The side wall of the motor end cover extends outwards along the circumferential direction to form a plurality of end cover mounting lugs 3. The end cover mounting lug 3 is used for connecting the motor end cover with the cylinder shell of the motor.

A plurality of radiating fins 4 are arranged on the side wall of the motor end cover along the circumferential direction, and the length direction of the radiating fins 4 is along the axial direction of the motor end cover. The heat dissipation rib 4 includes a first heat dissipation rib 41 and a second heat dissipation rib 42. The first heat dissipation ribs 41 and the second heat dissipation ribs 42 are uniformly distributed on the half circumference of the side wall of the motor end cover. The first heat dissipation fins 41 are rectangular plate-shaped fins, the second heat dissipation fins 42 are trapezoidal plate-shaped fins, and the height of the second heat dissipation fins 42 gradually decreases from back to front. An air outlet is formed between every two second heat dissipation ribs 42. After the air outlet is formed, the structural strength of the motor end cover at the second heat dissipation ribs 42 will be deteriorated, so the distance between the second heat dissipation ribs 42 is smaller than the distance between the first heat dissipation ribs 41. Furthermore, triangular reinforcing ribs 5 are arranged at the connecting corners of the second heat dissipation ribs 42 on the rear surface of the motor end cover.

The front surface of the motor end cover is provided with a positioning spigot 6 at the periphery of the shaft hole 1. The positioning spigot 6 is annular convex and is provided with a gap.

The rear surface of the motor end cover is provided with a plurality of wind-blocking ring mounting columns 7 along the circumferential direction, and the wind-blocking ring mounting columns 7 have taper, so that the wind-blocking ring mounting columns 7 can be inserted into corresponding mounting sockets on the wind-blocking ring. Connecting ribs 8 are arranged between the wind-blocking ring mounting column 7 and the bearing mounting seat 2 and between the wind-blocking ring column 7 and the side wall of the motor end cover, and the connecting ribs 8 are used for enhancing the structural strength of the wind-blocking ring mounting column 7.

As shown in fig. 6, a motor includes the motor end cover with high strength and good air exhaust and heat dissipation effects. The motor also comprises a cylinder shell 9, a motor shaft 10, a stator 11, a rotor 12 and a wind-blocking ring 13. The rotor 12 is fixedly arranged on the motor shaft 10, and the stator 11 is fixedly arranged in the cylinder shell 9 and positioned outside the rotor 12. The motor end cover is fixedly arranged at one end of the cylinder shell 9, and one end of a motor shaft 10 is rotatably connected to the motor end cover through a bearing 14. And a wind-blocking ring mounting column 7 of the motor end cover is inserted into a corresponding mounting socket on the wind-blocking ring 13.

In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.

Claims

1. The motor end cover is characterized in that the motor end cover is in a shape of a rectangle, a shaft hole for the motor shaft to extend out is formed in the middle of the motor end cover, a bearing mounting seat for mounting and supporting a bearing of the motor shaft is arranged on the rear surface of the motor end cover and is annular, a plurality of radiating fins are arranged on the side wall of the motor end cover along the circumferential direction, the length direction of the radiating fins is along the axial direction of the motor end cover, the radiating fins comprise first radiating fins and second radiating fins, and an exhaust port is formed between every two second radiating fins.

2. The motor end cover with high strength and good exhaust heat dissipation effect according to claim 1, wherein the second heat dissipation fins are trapezoidal and gradually narrow from back to front.

3. The motor end cover with high strength and good exhaust heat dissipation effect according to claim 1, wherein the first heat dissipation fins and the second heat dissipation fins are uniformly distributed on a half of the side wall of the motor end cover.

4. The motor end cover with high strength and good exhaust heat dissipation effect according to claim 1 or 2, wherein triangular reinforcing ribs are arranged on the rear surface of the motor end cover at the connecting corners of the second heat dissipation fins.

5. The motor end cover with high strength and good air exhaust and heat dissipation effects according to claim 1, wherein a plurality of end cover mounting lugs extend outwards from the side wall of the motor end cover along the circumferential direction.

6. The motor end cover with high strength and good exhaust and heat dissipation effects according to claim 1, wherein a plurality of wind-blocking ring mounting posts are arranged on the rear surface of the motor end cover along the circumferential direction, the wind-blocking ring mounting posts have a taper, and connecting ribs are arranged between the wind-blocking ring mounting posts and the bearing mounting seat and between the wind-blocking ring posts and the side wall of the motor end cover.

7. A motor, characterized in that, including any one of the motor end cover with high strength and good heat dissipation effect of air exhaust of claim 1-6, the motor also includes a cylinder shell, a motor shaft, a stator and a rotor, the rotor is fixedly arranged on the motor shaft, the stator is fixedly arranged in the cylinder shell and positioned outside the rotor, the motor end cover is fixedly arranged at one end of the cylinder shell, and one end of the motor shaft is rotatably connected to the motor end cover through a bearing.