CN210927229U

CN210927229U - Modularized motor rotor

Info

Publication number: CN210927229U
Application number: CN201921913629.XU
Authority: CN
Inventors: 蔡桓; 张军; 陈泽民; 郭海生; 张石安; 邢志亮; 郭玉桥; 马金飞
Original assignee: Jiangxi Lihao New Energy Technology Co ltd
Current assignee: Jiangxi Lihao New Energy Technology Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-07-03
Anticipated expiration: 2029-11-07

Abstract

A modular motor rotor characterized by: the motor comprises a motor shaft, an iron core shaft sleeve and at least one iron core module unit; the iron core shaft sleeve is arranged on the motor shaft, and the iron core module unit is arranged on the iron core shaft sleeve; the iron core module unit comprises a rotor core and a plurality of magnetic steels, wherein the rotor core is provided with a plurality of mounting grooves, the mounting grooves are sequentially and uniformly distributed along the circumferential direction of the rotor core, and each magnetic steel is respectively mounted in different mounting grooves. The utility model discloses contrast prior art's beneficial effect is, through adopting general iron core modular unit equipment, lets the people can adopt the same specification iron core modular unit of different quantity to constitute electric motor rotor according to the parameter requirement of motor, mutually supports with corresponding motor shaft, has reduced the kind of spare part effectively, has improved the utilization ratio of spare part, and the people of being convenient for manage, classify to spare part, greatly reduced manufacturing cost.

Description

Modularized motor rotor

Technical Field

The utility model relates to an electrical apparatus technical field especially relates to an adopt modular iron core module unit to constitute electric motor rotor to effectively reduce the modularization electric motor rotor of spare part kind.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law.

Traditional motor need design according to parameter requirements such as different power and moment of torsion, and the size of most of spare parts such as the motor stator of consequently making and rotor is all inequality, leads to the stator and the rotor of each specification model not to have the commonality to the spare part kind that causes the motor is too many, causes very big inconvenience for producer's management and classification, and work efficiency is low, and manufacturing cost is high.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a modularization electric motor rotor, this kind of modularization electric motor rotor can effectively reduce electric motor rotor's spare part kind. The method adopted is as follows:

a modular motor rotor characterized by: the motor comprises a motor shaft, an iron core shaft sleeve and at least one iron core module unit; the iron core shaft sleeve is arranged on the motor shaft, and the iron core module unit is arranged on the iron core shaft sleeve; the iron core module unit comprises a rotor core and a plurality of magnetic steels, a plurality of mounting grooves are formed in the side face of the rotor core, the mounting grooves are sequentially and evenly distributed along the circumferential direction of the rotor core, and each magnetic steel is respectively mounted in different mounting grooves. By adopting the structure, the motor rotor is assembled by the universal iron core module units, namely, the motor rotor is formed by mutually matching the iron core module units with different quantities and the corresponding motor shafts after the iron core module units with the same specification are superposed according to the parameter requirements of the motor, thereby effectively reducing the types of parts, further improving the manufacturing efficiency and operability, and being convenient for management and classification.

The better scheme, magnet steel and mounting groove both figure is the same and the one-to-one correspondence, and each magnet steel is installed respectively in the mounting groove that corresponds.

Preferably, the rotor core is annular. Because rotor core adopts the ring form structure, consequently processing is convenient, and rotor core circumference atress is even to can save the silicon steel material of mid portion, adopt the iron core axle sleeve of cast iron material rather than cooperation again, greatly reduced material cost.

Preferably, the inner ring of the rotor core is provided with a plurality of protruding portions and a plurality of groove portions, and the plurality of protruding portions and the plurality of groove portions are respectively and sequentially arranged along the circumferential direction of the inner ring; the groove part comprises a first groove and a second groove which are arranged adjacently, and the opening direction of the first groove and the opening direction of the second groove point to the center of the rotor core respectively. When a plurality of iron core module units are adopted for assembly, welding reinforcement can be carried out through the groove parts, and the stability between each iron core module unit is improved.

Preferably, the ratio of the number of the convex portions to the number of the concave portions ranges from two to one to four to one.

In a more preferable scheme, the iron core shaft sleeve is further provided with at least one positioning groove, and the number of the positioning grooves is the same as that of the protrusions and corresponds to that of the protrusions one by one. Through mutual grafting of bellying and constant head tank, further improve rotor core and install the stability on iron core axle sheathe.

Preferably, the mounting groove comprises a first through hole and a second through hole which are symmetrically arranged, and the first through hole and the second through hole are arranged in a mirror image mode. Therefore, the magnetic induction phenomenon can be stably generated when the motor rotor rotates.

In a preferred scheme, the bottom of the iron core shaft sleeve is provided with a limiting part; the modularized motor rotor also comprises a first limiting plate and a second limiting plate; the first limiting plate is arranged on the iron core shaft sleeve, and the bottom surface of the first limiting plate is attached to the limiting part of the iron core shaft sleeve; and the second limiting plate is arranged at the top of the iron core shaft sleeve. This structure can be effectively with the restriction of iron core module unit on the iron core sheathe in, avoids the motor at the during operation, because too big messenger's iron core module unit of turning force breaks away from the iron core sheathe in.

According to a more preferable scheme, the iron core shaft sleeve is provided with a plurality of third through holes, and the third through holes are uniformly distributed along the circumferential direction of the iron core shaft sleeve. The fastener can fasten the motor rotor on the external member through the third through hole.

The utility model discloses contrast prior art's beneficial effect is, through adopting general iron core modular unit equipment, lets the people can adopt the same specification iron core modular unit of different quantity to constitute electric motor rotor according to the parameter requirement of motor, mutually supports with corresponding motor shaft, has reduced the kind of spare part effectively, has improved the utilization ratio of spare part, and the people of being convenient for manage, classify to spare part, greatly reduced manufacturing cost.

Drawings

FIG. 1 is an exploded view of the preferred embodiment of the present invention;

FIG. 2 is a schematic view of the assembled state of FIG. 1;

fig. 3 is a structural view of an iron core module unit according to a preferred embodiment of the present invention;

fig. 4 is a structural view of a rotor core according to a preferred embodiment of the present invention;

fig. 5 is a structural view of the core sleeve according to the preferred embodiment of the present invention.

Detailed Description

As shown in fig. 1-4, a modular motor rotor comprises a motor shaft 1, an iron core shaft sleeve 2 and five iron core module units 3; the iron core shaft sleeve 2 is arranged on the motor shaft 1, and the iron core module unit 3 is arranged on the iron core shaft sleeve 2; iron core module unit 3 includes rotor core 301 and a plurality of magnet steel 302, a plurality of mounting grooves 3011 have been seted up to rotor core 301 side to each mounting groove 3011 is along rotor core 301 circumference evenly distributed in proper order, and every magnet steel 302 is installed respectively in different mounting grooves 3011. According to the parameter requirements of the motor, the corresponding number of rotor cores 301 and the corresponding number of magnetic steels 302 are selected to form the core module unit 3, so that the corresponding motor rotor can be rapidly processed.

The magnetic steels 302 and the mounting grooves 3011 are the same in number and are in one-to-one correspondence, and the magnetic steels 302 are respectively mounted in the corresponding mounting grooves 3011.

As shown in fig. 4, the rotor core 301 has an annular shape. Because rotor core 301 adopts the ring form structure, consequently processing is convenient, and circumference atress is even to the silicon steel material of mid portion has been saved, through the iron core axle sleeve cooperation with cast iron material, greatly reduced material cost.

The inner ring of the rotor core 301 is provided with three protruding portions 3012 and twelve groove portions 3013, and the three protruding portions 3012 and the twelve groove portions 3013 are sequentially arranged along the circumferential direction of the inner ring; the groove portions 3013 include a first groove 30131 and a second groove 30132 that are adjacently disposed, and an opening direction of the first groove 30131 and an opening direction of the second groove 30132 are respectively directed to the center of the rotor core 301. When a plurality of iron core module units 3 are assembled, welding reinforcement can be performed through the groove portions 3013, and the stability between the iron core module units 3 is improved.

The ratio of the number of the protruding portions 3012 to the number of the groove portions 3013 is four to one. This structure makes the rotor core 301 mounted on the core sleeve 2 more uniformly stressed.

The mounting groove 3011 includes a first through hole 30111 and a second through hole 30112 that are symmetrically disposed, and the first through hole 30111 and the second through hole 30112 are disposed in a mirror image of each other. Therefore, the magnetic induction phenomenon can be stably generated when the motor rotor rotates.

As shown in fig. 5, the bottom of the core sleeve 2 is provided with a limiting part 201; the iron core shaft sleeve is also provided with three positioning grooves 203. The protrusion 3012 is inserted into the positioning slot 203, so that the rotor core is stably mounted on the core shaft sleeve.

The iron core shaft sleeve 2 is provided with eight third through holes 202, and the third through holes 202 are uniformly distributed along the circumferential direction of the iron core shaft sleeve 2. The fastener can fasten the motor rotor to the external member through the third through hole 202.

As shown in fig. 1-2, the modular motor rotor further comprises a first limit plate 4 and a second limit plate 5; the first limiting plate 4 is arranged on the iron core shaft sleeve 2, and the bottom surface of the first limiting plate is attached to the limiting part 201 of the iron core shaft sleeve; and the second limiting plate 5 is arranged at the top of the iron core shaft sleeve 2. This can prevent the rotor core 301 from being detached from the core cylinder 2.

The following assembly process is described in connection with fig. 1-5:

firstly, the magnetic steel 302 is correspondingly arranged in the mounting groove 3011 of the rotor core 301 to form a complete core module unit 3;

then, the iron core shaft sleeve 2 is installed on the motor shaft 1;

then, mounting the first limiting plate 4 on the iron core shaft sleeve 2, and mounting a corresponding number of iron core module units 3 on the iron core shaft sleeve 2 according to the motor parameter requirements;

finally, the second limit plate 5 is installed on the top of the core sleeve 2.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and all the equivalent or simple changes made according to the structure, the features and the principle of the present invention are included in the protection scope of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A modular motor rotor characterized by: the motor comprises a motor shaft, an iron core shaft sleeve and at least one iron core module unit; the iron core shaft sleeve is arranged on the motor shaft, and the iron core module unit is arranged on the iron core shaft sleeve; the iron core module unit comprises a rotor core and a plurality of magnetic steels, a plurality of mounting grooves are formed in the side face of the rotor core, the mounting grooves are sequentially and evenly distributed along the circumferential direction of the rotor core, and each magnetic steel is respectively mounted in different mounting grooves.

2. A modular motor rotor as claimed in claim 1, wherein: the magnetic steels and the mounting grooves are the same in number and correspond to each other one by one, and the magnetic steels are respectively mounted in the corresponding mounting grooves.

3. A modular motor rotor as claimed in claim 1, wherein: the rotor core is annular in shape.

4. A modular motor rotor as claimed in claim 3, wherein: the rotor core is provided with a plurality of protruding portions and a plurality of groove portions on an inner ring, and the protruding portions and the groove portions are sequentially arranged along the circumferential direction of the inner ring.

5. The modular motor rotor as in claim 4, wherein: the number ratio of the convex parts to the concave parts ranges from two to one to four to one.

6. The modular motor rotor as in claim 4, wherein: the groove part comprises a first groove and a second groove which are arranged adjacently, and the opening direction of the first groove and the opening direction of the second groove point to the center of the rotor core respectively.

7. The modular motor rotor as in claim 4, wherein: the iron core shaft sleeve is also provided with at least one positioning groove, and the positioning grooves and the protruding parts are the same in number and correspond to each other one by one.

8. A modular motor rotor as claimed in claim 1, wherein: the mounting groove comprises a first through hole and a second through hole which are symmetrically arranged, and the first through hole and the second through hole are arranged in a mirror image mode.

9. A modular motor rotor as claimed in claim 1, wherein: the bottom of the iron core shaft sleeve is provided with a limiting part; the modularized motor rotor also comprises a first limiting plate and a second limiting plate; the first limiting plate is arranged on the iron core shaft sleeve, and the bottom surface of the first limiting plate is attached to the limiting part of the iron core shaft sleeve; and the second limiting plate is arranged at the top of the iron core shaft sleeve.

10. A modular motor rotor as claimed in claim 9, wherein: the iron core axle sleeve is equipped with a plurality of third through-holes, and this third through-hole is along iron core axle sleeve circumference evenly distributed.