CN219717965U - Closed slot rotor for efficient motor - Google Patents
Closed slot rotor for efficient motor Download PDFInfo
- Publication number
- CN219717965U CN219717965U CN202321269283.0U CN202321269283U CN219717965U CN 219717965 U CN219717965 U CN 219717965U CN 202321269283 U CN202321269283 U CN 202321269283U CN 219717965 U CN219717965 U CN 219717965U
- Authority
- CN
- China
- Prior art keywords
- rotor punching
- slot rotor
- closed slot
- opening
- sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000004080 punching Methods 0.000 claims abstract description 42
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003475 lamination Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004512 die casting Methods 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model belongs to the technical field of motor rotors, and particularly relates to a closed slot rotor for a high-efficiency motor, which structurally comprises a closed slot rotor punching sheet, wherein the closed slot rotor punching sheet is provided with a through hole to form an inner slotting rotor punching sheet; the closed slot rotor punching sheet comprises a sheet body, two opposite surfaces of the sheet body are respectively communicated by a shaft opening, a notch and a through opening, the two opposite surfaces of the sheet body are also communicated by a through opening, and the notch is communicated with the through opening by the through opening; the utility model has the following beneficial effects that the annular iron core is formed by adopting the closed slot rotor punching sheet and the inner slot rotor punching sheet to be overlapped in a multi-layer manner, or the annular iron core is formed by adopting the inner slot rotor punching sheet to be overlapped in a multi-layer manner, wherein the closed slot rotor punching sheet and the inner slot rotor punching sheet are not provided with peripheral openings, so that the periphery of the annular iron core is flat, and additionally provided with the through openings, the air at the notch during lamination can be discharged into the through openings, and the effects of increasing the exhaust efficiency and reducing the noise are achieved.
Description
Technical Field
The utility model belongs to the technical field of motor rotors, and particularly relates to a closed slot rotor for a high-efficiency motor.
Background
The rotors of the prior small and medium-sized low-voltage motors in China are all in an open slot process, the die casting die is generally provided with a middle die, the gap of the die is not easy to control due to thermal expansion factors, so that the open slot rotor is seriously coated with aluminum, the appearance and quality are seriously influenced, the difficulty in machining an air gap of a rotor car is increased, and the intermediate frequency heating sleeve shaft process is possibly influenced, so that most of the motor rotors are designed into a closed slot shape, and the rotors of a larger die casting process are also designed into a closed slot shape, but in the die casting process, because the die casting speed of the closed slot rotor is higher, a large amount of air is exhausted by an upper die iron core plane, a lower die fan blade or a balance column part and is not exhausted, so that the aluminum strips and the aluminum rings of the rotor are coated with a large amount of air holes, and serious quality hidden troubles such as thin strips, broken strips exist in the rotor guide strips;
for the existing (the name of the utility model is that a motor closed slot rotor iron core die-casting structure and CN 201220243227.5) the adopted iron core lamination structure is provided with the opening sheet in a segmented way so as to solve the hidden quality hazards of the long closed slot rotor die-casting broken strip and thin strip and improve the filling rate of the rotor cast aluminum;
however, the adoption of the open slot rotor punching sheet for exhausting can lead to the lack of flatness of the outer surface of the iron core and noise generation.
Disclosure of Invention
First, the technical problem to be solved
In order to overcome the defects in the prior art, a closed slot rotor for a high-efficiency motor is provided so as to solve the problems provided by the background art.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a closed slot rotor for a high-efficiency motor, which comprises a closed slot rotor punching sheet, wherein the closed slot rotor punching sheet is provided with a through hole to form an inner slotted rotor punching sheet;
the closed slot rotor punching sheet comprises a sheet body, two opposite surfaces of the sheet body are respectively communicated by a shaft opening, a notch and a through opening, the two opposite surfaces of the sheet body are also communicated by a through opening, and the notch is communicated with the through opening by the through opening;
the shaft openings, the notch and the through openings of at least one group of inner slotted rotor punching sheets and at least one group of closed slot rotor punching sheets or more than one group of inner slotted rotor punching sheets are overlapped to form an annular iron core, and the annular iron core is provided with a shaft rotation in a penetrating mode and is fixedly connected with the shaft opening.
Further, the shaft opening is arranged in the middle of two opposite surfaces of the sheet body.
Further, the through hole and the notch are respectively provided with a plurality of groups, and the through hole and the notch are uniformly arranged outside the shaft hole in a ring-shaped divergent mode in sequence.
(III) beneficial effects
Compared with the prior art, the utility model has the following beneficial effects:
the annular iron core 3 is formed by adopting the closed slot rotor punching sheet 1 and the inner slot rotor punching sheet 2 to be overlapped in multiple layers, or the annular iron core 3 is formed by adopting the inner slot rotor punching sheet 2 to be overlapped in multiple layers, wherein the closed slot rotor punching sheet 1 and the inner slot rotor punching sheet 2 are not provided with peripheral openings, the periphery of the annular iron core 3 is flat, and additionally provided with the through holes 15, the air at the notch 13 during lamination can be discharged into the through holes 14, and the effects of increasing the exhaust efficiency and reducing the noise are achieved.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a closed slot rotor lamination structure according to the present utility model;
FIG. 3 is a schematic view of an inner slotted rotor punching structure of the present utility model;
in the figure: the rotor punching sheet comprises a closed slot rotor punching sheet-1, an inner slot rotor punching sheet-2, an annular iron core-3, a shaft rotation-4, a sheet body-11, a shaft opening-12, a notch-13, a through opening-14 and a through opening-15.
Detailed Description
Referring to fig. 1, 2 and 3, the present utility model provides a closed slot rotor for a high-efficiency motor: comprises a closed slot rotor punching sheet 1 (shown in figure 3);
the closed slot rotor sheet 1 is provided with a through-opening 15 to form an inner slotted rotor sheet 2 (as shown in fig. 2);
the closed slot rotor punching sheet 1 and the inner slot rotor punching sheet 2 are all made of silicon steel;
the closed slot rotor punching sheet 1 comprises a sheet body 11,
opposite two surfaces (top and bottom end surfaces as shown in the figure) of the sheet 11 are respectively communicated with the shaft opening 12, the notch 13 and the through opening 14;
the two opposite surfaces of the sheet body 11 are also communicated through the through hole 15, the notch 13 is communicated with the through hole 14 through the through hole 15 (the periphery of the annular iron core 3 formed by lamination is flat without peripheral openings, so that noise is reduced, and the phenomenon of aluminum cladding cannot occur at the periphery of the annular iron core 3);
at least one group of inner slotting rotor punching sheets 2 and at least one group of closed slot rotor punching sheets 1 (the groups of the inner slotting rotor punching sheets 2 and the closed slot rotor punching sheets 1 adopted are alternately stacked), or more than one group of shaft openings 12, notch 13 and through openings 14 of the inner slotting rotor punching sheets 2 are overlapped (namely, when stacking is carried out, the shaft openings 12, the notch 13 and the through openings 14 of each sheet are overlapped and aligned) to form the annular iron core 3;
the laminated annular iron core 3 performs aluminum casting operation at the notch 13;
wherein the shaft opening 12 is arranged in the middle of two opposite surfaces of the sheet body 11;
the annular iron core 3 is penetrated with the shaft rotation 4 and is fixedly connected with the shaft opening 12 (namely, the shaft opening 12 is arranged and fixed at the overlapped shaft opening 12).
Wherein, the through openings 14 and the notch 13 are respectively provided with a plurality of groups, which are all in turn in annular divergent shape and are uniformly arranged outside the shaft opening 12 (as shown in the figure, the notch 13 and the through openings 14 of the plurality of groups are all in annular arrangement, and the notch 13 is arranged outside divergent sides of the through openings 14).
While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (3)
1. The utility model provides a high-efficient motor is with slot rotor that closes, includes slot rotor punching (1), its characterized in that: the closed slot rotor punching sheet (1) is provided with a through hole (15) to form an inner slot rotor punching sheet (2);
the closed slot rotor punching sheet (1) comprises a sheet body (11), two opposite surfaces of the sheet body (11) are respectively communicated by a shaft opening (12), a notch (13) and a through opening (14), the two opposite surfaces of the sheet body (11) are also communicated by a through opening (15), and the notch (13) is communicated with the through opening (14) by the through opening (15);
the annular iron core (3) is formed by overlapping and pressing at least one group of inner slotted rotor punching sheets (2) and at least one group of closed slot rotor punching sheets (1) or axle ports (12), notch (13) and through ports (14) of more than one group of inner slotted rotor punching sheets (2), and the annular iron core (3) is provided with an axle shaft (4) in a penetrating mode and is fixedly connected with the axle ports (12).
2. The closed slot rotor for a high efficiency motor of claim 1, wherein: the shaft opening (12) is arranged in the middle of two opposite surfaces of the sheet body (11).
3. The closed slot rotor for a high efficiency motor of claim 1, wherein: the through holes (14) and the notch (13) are respectively provided with a plurality of groups, and the through holes and the notch are uniformly arranged outside the shaft hole (12) in a ring-shaped divergent mode in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321269283.0U CN219717965U (en) | 2023-05-24 | 2023-05-24 | Closed slot rotor for efficient motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321269283.0U CN219717965U (en) | 2023-05-24 | 2023-05-24 | Closed slot rotor for efficient motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219717965U true CN219717965U (en) | 2023-09-19 |
Family
ID=88004220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321269283.0U Active CN219717965U (en) | 2023-05-24 | 2023-05-24 | Closed slot rotor for efficient motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219717965U (en) |
-
2023
- 2023-05-24 CN CN202321269283.0U patent/CN219717965U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |