CN210669667U

CN210669667U - Disc type motor and rotor thereof

Info

Publication number: CN210669667U
Application number: CN201921683634.6U
Authority: CN
Inventors: 汤磊; 李一雄; 杨文雄
Original assignee: CORE INNOVATION LLC
Current assignee: CORE INNOVATION LLC
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-02
Anticipated expiration: 2029-09-29

Abstract

The utility model provides a disk motor and a rotor thereof, wherein the rotor comprises a magnetic steel frame, a rotor claw (2) of the magnetic steel frame is made of high-strength fiber material, the middle part of the magnetic steel frame is a base body (1) made of metal material, the outer edge of the base body (1) is provided with a plurality of clamping teeth radiating along the radial direction, and a clamping groove is formed between any two adjacent clamping teeth; the outer edge of the magnetic steel frame is provided with a plurality of radial-radiation shuttle-shaped reinforcing ribs (5), one ends of the reinforcing ribs (5) are inserted into the clamping grooves, the base body (1) and the reinforcing ribs (5) are connected into a whole by the rotor claw (2) in a coating manner, and a magnetic steel mounting position is formed between any two adjacent reinforcing ribs (5). The utility model provides a rotor can effectively reduce the deformation influence of magnetism pulling force to its production, is favorable to improving the reliability and the life-span of rotor at high-speed operation in-process.

Description

Disc type motor and rotor thereof

Technical Field

The utility model relates to the technical field of electric machines, especially, relate to a disk motor and rotor thereof.

Background

In the disk motor with the middle rotor structure, because the rotor is arranged between the two stators, the rotor can be subjected to huge magnetic tension of the stators on two sides, the conventional rotor can be bent and deformed under the action of the magnetic tension, the distance between the rotor and the stators is shortened after the rotor is deformed, the magnetic tension can be increased, and the stress state of the rotor is further deteriorated. Therefore, how to improve the rotor to minimize the deformation influence of the magnetic pulling force on the rotor becomes a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a disk motor and rotor thereof, this rotor can effectively reduce the deformation influence of magnetism pulling force to its production, is favorable to improving the reliability and the life-span of rotor at high-speed operation in-process.

In order to achieve the above object, the utility model provides a following technical scheme:

a rotor of a disk motor comprises a magnetic steel frame, wherein a rotor claw with a magnetic steel mounting position of the magnetic steel frame is made of a high-strength fiber material, the middle of the magnetic steel frame is a base body made of a metal material, the outer edge of the base body is provided with a plurality of clamping teeth radiating along the radial direction, and a clamping groove is formed between any two adjacent clamping teeth;

the outer edge of the magnetic steel frame is provided with a plurality of fusiform reinforcing ribs which radiate along the radial direction, one ends of the reinforcing ribs are inserted into the clamping grooves, the base body and the reinforcing ribs are connected into a whole by being coated by the rotor claws, and the magnetic steel mounting position is formed between any two adjacent reinforcing ribs.

Optionally, in the above rotor, the two sides of the reinforcing rib are provided with a rib or a groove extending along the length direction of the side, and the rib or the groove is used for fixing the magnetic steel in the axial direction of the rotor.

Alternatively, in the rotor, the rotor claws are formed by laminating and molding high-strength fiber materials after the high-strength fiber materials are soaked in resin.

Optionally, in the rotor, the material of the reinforcing rib is high-strength carbon fiber, high-strength glass fiber, or metal.

Optionally, in the above rotor, the material of the base body is steel.

Optionally, in the above rotor, the rotor further includes a hoop for fitting around an outer edge of the magnetic steel frame.

Alternatively, in the rotor described above, the material of the hoop is high-strength carbon fiber, high-strength glass fiber, or an aluminum alloy.

A disc motor comprising a rotor as disclosed in any one of the above.

According to the technical scheme, the utility model provides an in the rotor for disk motor, the middle part of magnetism steelframe has set up the base member that metal material made, and the outer fringe of base member has a plurality of latches along radial radiation, and the one end of the strengthening rib of fusiformis is inserted in the draw-in groove that the latch formed, and base member and strengthening rib are connected as an organic wholely by rotor claw cladding, and magnet steel installation position is formed by adjacent strengthening rib. Owing to pre-buried the strengthening rib in the rotor claw, and the base member is metal material, so, the utility model provides a rotor has stronger rigidity, can effectively reduce the deformation influence of magnetism pulling force to its production, is favorable to improving the reliability and the life-span of rotor at high-speed operation in-process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of a rotor of a disc motor according to an embodiment of the present invention;

FIG. 2 is a disassembled schematic view of the rotor shown in FIG. 1;

fig. 3 is a schematic view of the assembly of the base body 1 and the reinforcing bars 5 in fig. 2;

fig. 4 is a schematic view of the base 1, the rotor claw 2 and the reinforcing rib 5 in fig. 2;

FIG. 5 is a schematic view of another perspective of FIG. 4;

fig. 6 is a schematic view of the magnetic steel 3 in fig. 2.

Labeled as:

1. a substrate; 11. connecting holes; 12. a card slot; 2. a rotor claw; 21. caulking grooves; 3. magnetic steel; 31. a groove; 4. a hoop; 5. reinforcing ribs; 51. and (7) a rib.

Detailed Description

For the sake of understanding, the present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 and 2, fig. 1 is a schematic view of a rotor of a disc motor according to an embodiment of the present invention, and fig. 2 is a disassembled schematic view of the rotor shown in fig. 1.

The embodiment of the utility model provides a rotor includes the magnetism steelframe, and the magnet steel frame includes the strengthening rib 5 of base member 1, rotor claw 2 and a plurality of fusiformis, and wherein, base member 1 is made by metal material, is located the middle part of magnetism steelframe, and the outer fringe of base member 1 has a plurality of latches (not mark in the figure) along radial radiation, forms draw-in groove 12 (see figure 5) between two arbitrary adjacent latches.

The reinforcing ribs 5 are located on the outer edge of the magnetic steel frame, one ends of the reinforcing ribs 5 are inserted into the clamping grooves 12, the other ends of the reinforcing ribs 5 radiate along the radial direction of the magnetic steel frame, and the base body 1 and the reinforcing ribs 5 are assembled as shown in fig. 3. The base body 1 and the reinforcing ribs 5 are connected into a whole by the rotor claw 2 in a coating manner, the rotor claw 2 is made of high-strength fiber materials, the reinforcing ribs 5 are embedded in an embedding groove 21 (see figure 5) of the rotor claw 2, and a magnetic steel mounting position is formed between any two adjacent reinforcing ribs 5 and is used for mounting the magnetic steel 3.

Owing to set up base member 1 that metal material made at the middle part of magnet steel frame to pre-buried strengthening rib 5 in rotor claw 2, so, the utility model provides a rotor has stronger rigidity, can effectively reduce the deformation influence of magnetism pulling force to its production, is favorable to improving reliability and the life-span of rotor at high-speed operation in-process.

In the present embodiment, as shown in fig. 1 and 2, the thicker portion of the middle portion of the base body 1 is not covered by the rotor claw 2, and the portion of the base body 1 covered by the rotor claw 2 is provided with a connecting hole 11, as shown in fig. 3 and 4, the connecting hole 11 is used for installing a bolt to fixedly connect the base body 1, the rotor claw 2, and the rotating shaft of the motor.

As shown in fig. 5, in order to make the magnetic steel 3 stably fixed in the axial direction of the rotor, in the present embodiment, the two sides of the rib 5 are provided with ribs 51 extending along the length direction of the sides, and correspondingly, the two sides of the magnetic steel 3 are provided with grooves 31 (see fig. 6) for accommodating the ribs 51. Of course, in other embodiments, grooves may be provided on the sides of the ribs 5, and corresponding ribs may be provided on the sides of the magnetic steel 3.

In this embodiment, the rotor claw 2 is made by laminating and molding after resin is infiltrated by a high-strength fiber material, specifically, glass fiber or carbon fiber and the like can be adopted, before molding, the assembled base body 1 and the reinforcing ribs 5 are directly put in, and the base body 1 and the reinforcing ribs 5 are coated and connected into a whole by the rotor claw 2 through molding. During the molding process, heat is generally required to form the rotor claw 2 and tightly bond the base body 1 and the reinforcing ribs 5. In order to improve the connection strength, the surfaces of the base body 1 and the reinforcing ribs 5 can be coated with adhesive and then placed in the base body for molding.

As shown in fig. 1 and 2, in order to fix and restrain the magnetic steel 3 in the radial direction and prevent centrifugal deformation of the rotor during high-speed rotation, the rotor generally further includes a hoop 4 for fitting over the outer edge of the magnetic steel frame.

In a specific practical application, the material of the base 1 may be steel, the material of the reinforcing rib 5 may be high-strength carbon fiber, high-strength glass fiber or metal, and the material of the hoop 4 may be high-strength carbon fiber, high-strength glass fiber or aluminum alloy.

It is noted that the high strength fibrous materials described herein, such as high strength carbon fibers, high strength glass fibers, and the like, are known in the art.

The utility model also provides a disk motor, this disk motor includes the rotor that above-mentioned embodiment disclosed. Since the rotor disclosed in the above embodiments has the above technical effects, the disc motor having the rotor also has the above technical effects, and the details are not repeated herein.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A rotor of a disk type motor comprises a magnetic steel frame, wherein a rotor claw (2) with a magnetic steel mounting position of the magnetic steel frame is made of a high-strength fiber material, and the rotor is characterized in that the middle of the magnetic steel frame is a base body (1) made of a metal material, the outer edge of the base body (1) is provided with a plurality of clamping teeth radiating along the radial direction, and a clamping groove (12) is formed between any two adjacent clamping teeth;

the outer edge of the magnetic steel frame is provided with a plurality of radial-radiation shuttle-shaped reinforcing ribs (5), one ends of the reinforcing ribs (5) are inserted into the clamping grooves (12), the base body (1) and the reinforcing ribs (5) are connected into a whole in a wrapping mode through the rotor claws (2), and the magnetic steel mounting positions are formed between any two adjacent reinforcing ribs (5).

2. Rotor according to claim 1, characterised in that the ribs (5) are provided on both sides with ribs (51) or grooves extending along the length of the sides, the ribs (51) or grooves being used for fixing the magnetic steel in the axial direction of the rotor.

3. The rotor according to claim 1, characterized in that the rotor claws (2) are made of high-strength fibre material impregnated with resin and then laminated and molded.

4. Rotor according to claim 1, characterised in that the material of the reinforcing ribs (5) is high-strength carbon fibre, high-strength glass fibre or metal.

5. Rotor according to claim 1, characterised in that the material of the basic body (1) is steel.

6. A rotor according to any of claims 1 to 5, further comprising a hoop (4) for fitting around the outer rim of the magnetic steel frame.

7. Rotor according to claim 6, characterised in that the material of the hoop (4) is high strength carbon fibre, high strength glass fibre or aluminium alloy.

8. A disc motor comprising a rotor, wherein the rotor is as claimed in any one of claims 1 to 7.