CN219875228U

CN219875228U - Rotor and fan

Info

Publication number: CN219875228U
Application number: CN202321068089.6U
Authority: CN
Inventors: 赵小州
Original assignee: Dongguan Baiwang Motor Technology Co ltd
Current assignee: Dongguan Baiwang Motor Technology Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2023-10-20
Anticipated expiration: 2033-05-06

Abstract

The utility model discloses a rotor and a fan, wherein the rotor comprises a rotor body, the rotor body comprises rotor sheets, an annular convex surface and a rotor base, the middle part of the rotor body is formed by laminating a plurality of rotor sheets, the annular convex surface is arranged at the top of the rotor body, and the rotor base is arranged at the bottom of the rotor body; the rotor sheet comprises a rotor sheet body, wherein a hollow inner round hole is formed in the middle of the rotor sheet body, an outer circle is formed in one periphery of the outer side of the rotor sheet body, a sheet punching groove is formed between the outer circle and the inner round hole, and a notch is formed in the sheet punching groove; the utility model provides a rotor and a fan applied to the rotor, which can effectively reduce the abnormal sound problem generated after the fan is assembled, and the rotor piece is grooved without turning the outer diameter, so that the production efficiency is effectively improved, and meanwhile, the yield of products is greatly improved.

Description

Rotor and fan

Technical Field

The utility model relates to the technical field of fan motor transformation, in particular to a rotor and a fan.

Background

The rotor sheet designed in the market at present is basically designed with an outer circle closed, and conventionally, the rotor sheet is die-cast into a rotor, and the outer circle needs to be turned; the magnetic force cutting steering can be realized only by turning the closed material level, and in the outer diameter turning link, the outer diameter management and control inaccuracy exists, the turning burrs are formed, the working hours are consumed, the defective products are produced more, and the like, so that the production efficiency is low. In order to solve such problems, the production efficiency is improved, and therefore, it is necessary to design a new rotor sheet to solve the above problems, and then, to press the rotor through the new rotor sheet and apply the rotor to the fan of the rotor.

Disclosure of Invention

The utility model provides a rotor and a fan, which aim to solve at least one technical problem existing in the prior art.

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

the rotor comprises a rotor body, wherein the rotor body comprises rotor sheets, an annular convex surface and a rotor base, the middle part of the rotor body is formed by laminating a plurality of rotor sheets, the annular convex surface is arranged at the top of the rotor body, and the rotor base is arranged at the bottom of the rotor body;

the rotor sheet comprises a rotor sheet body, a hollow inner round hole is formed in the middle of the rotor sheet body, an outer circle is formed in one periphery of the outer side of the rotor sheet body, a punching sheet groove is formed between the outer circle and the inner round hole, and a notch is formed in the punching sheet groove.

Preferably, the rotor body comprises a plurality of evenly distributed cutting grooves and a plurality of cutting surfaces, the cutting grooves are formed after being pressed through notches on the punching grooves of the plurality of rotor sheets, and the cutting surfaces are arranged adjacent to the cutting grooves.

Preferably, the bottom of the annular convex surface is provided with an annular groove.

Preferably, the punching grooves are arranged in a plurality and uniformly arranged between the outer circle and the inner circle hole.

Preferably, the cutting grooves are distributed in a straight line or in an oblique line relative to the rotor body.

The utility model provides a be applied to fan of this rotor, includes fans outside frame, flabellum subassembly, rotor body and fixed lid, the flabellum subassembly is installed in fans outside frame, fans outside frame bottom central authorities set up the axle center, the rotor body suit is on the axle center, the flabellum subassembly is installed on fans outside frame, and is located the outside of rotor body, the top in flabellum subassembly is installed to the fixed lid.

Preferably, the fan blade assembly comprises a fan blade and a fan blade fixing piece, and the fan blade is provided with a plurality of fan blades and is uniformly arranged on the fan blade fixing piece.

Preferably, the fan blade fixing member is circular, and the diameter of the fan blade fixing member is larger than that of the rotor body.

Compared with the prior art, the rotor and the fan provided by the utility model are provided with the following components

The beneficial effects are that:

1. through the notch on the outer circle of the rotor sheet, impurities generated in the process of producing the turning outer circle are prevented from flowing into the injection molding fan blade links, and the problem of abnormal sound generated after the fan is assembled is effectively reduced;

2. the rotor slotting is arranged, so that the production efficiency can be effectively improved, the turning process is realized by turning the end face, the outer circle and the slot position, and one outer circle turning link is reduced;

3. through arranging the notch, the control requirement on the outer diameter size of the rotor is reduced, and the size of the outer diameter is effectively controlled through the stamping die and the die casting die;

4. by arranging the notch, the excircle is not turned, the product is not easy to rust, and in the stamping process, the rotor sheet can form an oil bread protection punching section;

drawings

FIG. 1 is a schematic view of a rotor and a fan assembly and a rotor structure of a fan applied to the rotor according to the present utility model;

FIG. 2 is a schematic view of the overall structure of a rotor sheet of a wind turbine according to the present utility model;

FIG. 3 is a schematic view of the overall structure of a rotor of a fan applied to the rotor according to the present utility model;

FIG. 4 is a schematic view of an assembled overall structure of a rotor and a fan applied to the rotor according to the present utility model;

in the figure: 1. a rotor body; 11. cutting a groove; 12. cutting a surface; 2. a rotor sheet 21 and a rotor sheet body; 22. an inner circular hole; 23. an outer circle; 24. punching a sheet groove; 25. a notch; 3. an annular convex surface; 31. an annular groove; 4. a rotor base; 5. a fan outer frame; 51. an axle center; 6. a fan blade assembly; 61. a fan blade; 62. a fan blade fixing member; 7. and fixing the cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-4, the present embodiment provides a rotor, including a rotor body 1, where the rotor body 1 includes a rotor sheet 2, an annular convex surface 3 and a rotor base 4, the middle part of the rotor body 1 is formed by laminating a plurality of rotor sheets 2, the annular convex surface 3 is disposed at the top of the rotor body 1, and the rotor base 4 is disposed at the bottom of the rotor body 1;

the rotor sheet 2 comprises a rotor sheet body 21, a hollow inner round hole 22 is arranged in the middle of the rotor sheet body 21, an outer circle 23 is arranged on the periphery of the outer side of the rotor sheet body, a punching sheet groove 24 is arranged between the outer circle 23 and the inner round hole 22, and a notch 25 is arranged on the punching sheet groove 24.

In the embodiment, through arranging the rotor sheet 21, grooving the outer circle 23 of the rotor sheet 21, reducing the diameter of the outer circle 23, and assembling the outer circle 23 to a required size in a stamping step by the diameter of the rotor sheet 21, and directly forming a finished product rotor by matching with a front aluminum ring and a rear aluminum ring design die casting die, so that the step of turning the outer circle 23 in a later process can be reduced, and a certain requirement is provided for a die casting die; the rotor piece 21 is provided with the grooves on the outer circle 23, so that impurities generated in the process of producing the turning outer circle 23 are prevented from flowing into the injection molding fan blade links, and the problem of abnormal sound generated after the fan is assembled is effectively solved; after the rotor is grooved, the production efficiency can be effectively improved, and the turning process is to turn the outer circle and turn the groove from the original turning end surface, so that one turning link is reduced; the control requirement on the outer diameter size of the rotor is reduced, and the outer diameter size is effectively controlled through a stamping die and a die casting die; the outer circle 23 is not turned, the product is not easy to rust, and in the stamping process, the rotor sheet 21 can form an oil bread protection punching section.

In a specific embodiment, as shown in fig. 3, the rotor body 1 includes a plurality of cutting slots 11 and a plurality of cutting surfaces 12 that are uniformly distributed, the cutting slots 11 are formed by pressing notches on the punching slots 24 of the plurality of rotor sheets 2, and the cutting surfaces 12 are disposed adjacent to the cutting slots 11; an annular groove 31 is formed in the bottom of the annular convex surface 3; the punching grooves 24 are uniformly formed between the outer circle 23 and the inner circle hole 22; the cutting grooves (11) are distributed in a straight line or in an oblique line relative to the rotor body (1).

In this embodiment, the rotor body 1 is manufactured by punching the rotor sheet 21, and the aluminum-filled rotor shape required by the user can be linear, oblique line or other shapes, that is, the cutting groove 11 and the cutting surface 12 can be customized according to the user's requirement, and then the aluminum-filled rotor is formed by pressing with a die casting machine.

The fan applying the rotor comprises a fan outer frame 5, a fan blade assembly 6, a rotor body 1 and a fixing cover 7, wherein the fan blade assembly 6 is installed in the fan outer frame 5, an axle center 51 is arranged at the center of the bottom of the fan outer frame 5, the rotor body 1 is sleeved on the axle center 51, the fan blade assembly 6 is installed on the fan outer frame 5 and located on the outer side of the rotor body 1, and the fixing cover 7 is installed at the top of the fan blade assembly.

In this embodiment, by applying the rotor sheet 21 to the fan by die casting the rotor, the inflow of impurities generated during the process of producing the turning outer circle 23 into the injection molded fan blade assembly 6 is avoided. The problem of abnormal sound generated after the fan is assembled is effectively reduced, defective products are reduced, and production efficiency is effectively improved.

In a specific embodiment, as shown in fig. 1 and 4, the fan blade assembly 6 includes a fan blade 61 and a fan blade fixing member 62, where the fan blade 61 is provided with a plurality of fan blades and is uniformly mounted on the fan blade fixing member 62; the fan blade fixing member 62 is circular, and the diameter of the fan blade fixing member 62 is larger than that of the rotor body 1.

In this embodiment, by combining the rotor with the fan blades 61, the fan blades 2 can rotate around the rotor to reduce noise, thereby effectively improving noise and product quality.

The working principle or working process of the utility model is as follows: through setting up rotor piece 21, slotting the excircle 23 of rotor piece 21, reducing excircle 23 diameter, accomplish the equipment requirement size with rotor piece 21 diameter at the punching press link just excircle 23, the die casting die is directly moulded out to the aluminium ring design die casting die around the cooperation and is finished product rotor, then with rotor piece 21 die casting rotor, through being applied to in the fan with rotor and fans outside frame 5, flabellum subassembly 6 and fixed lid 7 equipment, effectively improve noise problem, improved the quality of product.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A rotor, characterized in that: the novel rotor comprises a rotor body (1), wherein the rotor body (1) comprises rotor sheets (2), annular convex surfaces (3) and a rotor base (4), the middle part of the rotor body (1) is formed by laminating a plurality of rotor sheets (2), the annular convex surfaces (3) are arranged at the top of the rotor body (1), and the rotor base (4) is arranged at the bottom of the rotor body (1);

the rotor sheet (2) comprises a rotor sheet body (21), a hollow inner round hole (22) is formed in the middle of the rotor sheet body (21), an outer circle (23) is formed in the periphery of the outer side of the rotor sheet body, a sheet punching groove (24) is formed between the outer circle (23) and the inner round hole (22), and a notch (25) is formed in the sheet punching groove (24).

2. A rotor according to claim 1, characterized in that: the rotor body (1) comprises a plurality of cutting grooves (11) and a plurality of cutting surfaces (12) which are uniformly distributed, the cutting grooves (11) are formed after being pressed through notches on punching grooves (24) of a plurality of rotor sheets (2), and the cutting surfaces (12) are arranged adjacent to the cutting grooves (11).

3. A rotor according to claim 1, characterized in that: an annular groove (31) is formed in the bottom of the annular convex surface (3).

4. A rotor according to claim 1, characterized in that: the punching grooves (24) are uniformly formed between the outer circle (23) and the inner circle hole (22).

5. A rotor according to claim 2, characterized in that: the cutting grooves (11) are distributed in a straight line or in an oblique line relative to the rotor body (1).

6. A fan employing the rotor of any one of claims 1-5, characterized in that: including fans outside box (5), flabellum subassembly (6), rotor body (1) and fixed lid (7), fans outside box (5) are installed in to flabellum subassembly (6), fans outside box (5) bottom central authorities set up axle center (51), rotor body (1) suit is on axle center (51), fans outside box (5) are installed in flabellum subassembly (6), and are located the outside of rotor body (1), fixed lid (7) are installed in the top of flabellum subassembly.

7. A fan as claimed in claim 6, wherein: the fan blade assembly (6) comprises fan blades (61) and fan blade fixing pieces (62), wherein the fan blades (61) are arranged in a plurality, and the fan blades are uniformly arranged on the fan blade fixing pieces (62).

8. A fan as claimed in claim 7, wherein: the fan blade fixing piece (62) is in a circular shape, and the diameter of the fan blade fixing piece (62) is larger than that of the rotor body (1).