CN211830363U - High-performance motor rotor iron core - Google Patents
High-performance motor rotor iron core Download PDFInfo
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- CN211830363U CN211830363U CN202020762065.0U CN202020762065U CN211830363U CN 211830363 U CN211830363 U CN 211830363U CN 202020762065 U CN202020762065 U CN 202020762065U CN 211830363 U CN211830363 U CN 211830363U
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Abstract
The utility model discloses a high-performance motor rotor core, which comprises two first sheet groups distributed up and down, wherein a plurality of composite units are arranged between the two first sheet groups, and each composite unit comprises a third sheet group and a fourth sheet group; the first sheet set comprises a first connecting sheet, a first fin is arranged on the outer side of the first connecting sheet, and the first fin is connected with the first connecting sheet through a first adapter plate; the third fin group comprises a third connecting sheet, four third fins A are arranged on the outer side of the third connecting sheet, the third fins A are connected with the third connecting sheet through third adapter plates, third fins B are arranged between adjacent third fins A, and the third fins B are disconnected from the third connecting sheet; the fourth fin group comprises a fourth connecting sheet, four fourth fins C are arranged on the outer side of the fourth connecting sheet and connected with the fourth connecting sheet through fourth adapter plates, and fourth fins D are arranged between adjacent fourth fins C. The utility model has the advantages of magnetic flux is big, can improve the motor performance.
Description
Technical Field
The utility model belongs to the electric motor rotor iron core field of dryer especially relates to a high performance electric motor rotor iron core of dryer.
Background
The structure of the rotor core of the existing clothes dryer motor comprises a plurality of first sheet groups, wherein a second sheet group is arranged between every two adjacent first sheet groups, and the plurality of first sheet groups and the plurality of second sheet groups are stacked to form the rotor core; the first fin group is integrated in structure and comprises a circular first connecting sheet, eight first fins are arranged on the outer side of the first connecting sheet, arc surfaces are arranged on the outer side walls of the first fins, and the first fins are connected with the first connecting sheet through a first adapter plate; the second fin group is split and consists of eight second fins which are the same as the first fins in shape, the second fins correspond to the first fins, and the second fins and the first fins are respectively provided with a positioning structure. The existing forming process of the rotor core is that a first sheet group is punched firstly, a second sheet group is punched again, and the first sheet group is punched again, so that the first sheet group and the second sheet group are continuously and circularly punched and stacked until the first sheet group is punched at last.
The structure of the existing rotor core mainly considers the size and the structural strength of the magnetic flux of the rotor core, the structural strength of the existing rotor core is guaranteed by adopting an integral sheet set at intervals, but the integral sheet set has low loss to the magnetic flux and can reduce the magnetic flux of the iron core, so that the performance of a motor can be reduced.
Therefore, the conventional rotor core has a defect of small magnetic flux, and the motor performance is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high performance electric motor rotor core. The utility model has the advantages of magnetic flux is big, can improve the motor performance.
The technical scheme of the utility model: a high-performance motor rotor iron core comprises two first sheet groups which are distributed up and down, wherein a plurality of composite units are arranged between the two first sheet groups, and each composite unit comprises a third sheet group and a fourth sheet group;
the first sheet group comprises a circular first connecting sheet, eight first fins are arranged on the outer side of the first connecting sheet, and the first fins are connected with the first connecting sheet through a first adapter plate;
the third fin group comprises a circular third connecting sheet, four third fins A with the same shape as the first fins are arranged on the outer side of the third connecting sheet, the third fins A are connected with the third connecting sheet through third adapter plates, third fins B with the same shape as the first fins are arranged between adjacent third fins A, the third fins B are disconnected with the third connecting sheet, the number of the third fins B is four, and the four third fins A and the four third fins B respectively correspond to the eight first fins;
the fourth fin group comprises a circular fourth connecting sheet, four fourth fins C which are the same as the first fins in shape are arranged on the outer side of the fourth connecting sheet, the fourth fins C are connected with the fourth connecting sheet through fourth adapter plates, fourth fins D which are the same as the first fins in shape are arranged between adjacent fourth fins C, the fourth fins D and the fourth connecting sheet are disconnected, the number of the fourth fins D is four, the four fourth fins C correspond to the four third fins B respectively, and the four fourth fins D correspond to the four third fins A respectively.
In the high-performance motor rotor core, the first fin, the third fin a, the third fin B, the fourth fin a and the fourth fin B are all provided with a positioning structure.
In the high-performance motor rotor core, a fifth sheet set is arranged between adjacent composite units, and the structure of the fifth sheet set is the same as that of the first sheet set.
Compared with the prior art, the utility model discloses a compound unit is equivalent to current second piece group, compound unit comprises third piece group and fourth piece group, third piece group and fourth piece group all adopt split type structure, only four fins are adjacent with the connection piece and do not break off promptly, four fins and connection piece disconnection in addition, the fin of disconnection corresponds with adjacent fin of not breaking off, thereby can guarantee rotor core's structural strength, can improve rotor core's magnetic flux again, the improvement degree can reach 8%, can make the performance of motor increase from this.
Therefore, the utility model has the advantages of magnetic flux is big, can improve the motor performance.
Drawings
Fig. 1 is an exploded schematic view of the present invention.
Fig. 2 is a top view of the first sheet pack.
Fig. 3 is a top view of the third sheet pack.
Fig. 4 is a top view of a fourth sheet pack.
Fig. 5 is an exploded view of a conventional rotor core.
The labels in the figures are: 1-a first sheet set, 10-a first connecting sheet, 11-a first fin, 12-a first transfer plate; 3-a third sheet group, 30-a third connecting sheet, 31-a third fin A, 32-a third adapter plate and 33-a third fin B; 4-a fourth plate group, 40-a fourth connecting sheet, 41-a fourth fin C, 42-a fourth adapter plate, 43-a fourth fin D, and 5-a fifth plate group.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Example 1. A high-performance motor rotor core comprises two first sheet groups 1 which are distributed up and down, wherein a plurality of composite units are arranged between the two first sheet groups 1, and each composite unit comprises a third sheet group 3 and a fourth sheet group 4;
the first sheet set 1 comprises a circular first connecting sheet 10, eight first fins 11 are arranged on the outer side of the first connecting sheet 10, and the first fins 11 are connected with the first connecting sheet 10 through a first transfer plate 12;
the third plate group 3 comprises a circular third connecting piece 30, four third fins a31 with the same shape as the first fins 11 are arranged on the outer side of the third connecting piece 30, the third fins a31 are connected with the third connecting piece 30 through a third adapter plate 32, third fins B33 with the same shape as the first fins 11 are arranged between adjacent third fins a31, the third fins B33 are disconnected from the third connecting piece 30, the number of the third fins B33 is four, and the four third fins a31 and the four third fins B33 respectively correspond to the eight first fins 11;
the fourth fin group 4 includes a circular fourth connecting piece 40, four fourth fins C41 with the same shape as the first fin 11 are arranged on the outer side of the fourth connecting piece 40, the fourth fin C41 is connected with the fourth connecting piece 40 through a fourth adapter plate 42, a fourth fin D43 with the same shape as the first fin 11 is arranged between adjacent fourth fins C41, the fourth fin D43 and the fourth connecting piece 40 are disconnected, the number of the fourth fins D43 is four, the four fourth fins C41 correspond to the four third fins B33, and the four fourth fins D43 correspond to the four third fins a 31.
And the first fin 11, the third fin A31, the third fin B33, the fourth fin C41 and the fourth fin D43 are all provided with positioning structures. The positioning structures are two positioning holes with rectangular sections.
And a fifth sheet group 5 is arranged between the adjacent composite units, the structure of the fifth sheet group 5 is the same as that of the first sheet group 1, and the fifth sheet group 5 is used for further improving the structural strength of the rotor core. The third sheet set 3 and the fourth sheet set 4 have the same structure, and only differ in the placement angle when mounted on the rotor core.
The forming process is that the first sheet group 1 is punched, 16 positioning columns respectively penetrate through positioning holes on the first sheet group, then the third sheet group 3, the fourth sheet group 4 and the fifth sheet group 5 are punched, and the punching is continuously and circularly carried out until the last first sheet group 1 is punched and the end is finished.
Example 2. Unlike embodiment 1, there is no fifth sheet group 5 between adjacent composite units.
The utility model has the advantages of magnetic flux is big, can improve the motor performance.
Claims (3)
1. A high performance electric motor rotor core which characterized in that: the device comprises two first sheet groups (1) which are distributed up and down, wherein a plurality of composite units are arranged between the two first sheet groups (1), and each composite unit comprises a third sheet group (3) and a fourth sheet group (4);
the first plate group (1) comprises a circular first connecting plate (10), eight first fins (11) are arranged on the outer side of the first connecting plate (10), and the first fins (11) are connected with the first connecting plate (10) through a first adapter plate (12);
the third fin group (3) comprises a circular third connecting piece (30), four third fins A (31) with the same shape as the first fins (11) are arranged on the outer side of the third connecting piece (30), the third fins A (31) are connected with the third connecting piece (30) through third adapter plates (32), third fins B (33) with the same shape as the first fins (11) are arranged between adjacent third fins A (31), the third fins B (33) are disconnected with the third connecting piece (30), the number of the third fins B (33) is four, and the four third fins A (31) and the four third fins B (33) respectively correspond to the eight first fins (11);
the fourth fin group (4) comprises a circular fourth connecting piece (40), four fourth fins C (41) with the same shape as the first fins (11) are arranged on the outer side of the fourth connecting piece (40), the fourth fins C (41) are connected with the fourth connecting piece (40) through fourth adapter plates (42), fourth fins D (43) with the same shape as the first fins (11) are arranged between adjacent fourth fins C (41), the fourth fins D (43) are disconnected with the fourth connecting piece (40), the number of the fourth fins D (43) is four, the four fourth fins C (41) correspond to the four third fins B (33) respectively, and the four fourth fins D (43) correspond to the four third fins A (31) respectively.
2. The high performance electric machine rotor core of claim 1, wherein: and the first fin (11), the third fin A (31), the third fin B (33), the fourth fin C (41) and the fourth fin D (43) are all provided with a positioning structure.
3. The high performance electric machine rotor core of claim 1, wherein: and a fifth sheet group (5) is arranged between the adjacent composite units, and the structure of the fifth sheet group (5) is the same as that of the first sheet group (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020762065.0U CN211830363U (en) | 2020-05-09 | 2020-05-09 | High-performance motor rotor iron core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020762065.0U CN211830363U (en) | 2020-05-09 | 2020-05-09 | High-performance motor rotor iron core |
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| Publication Number | Publication Date |
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| CN211830363U true CN211830363U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020762065.0U Active CN211830363U (en) | 2020-05-09 | 2020-05-09 | High-performance motor rotor iron core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021227253A1 (en) * | 2020-05-09 | 2021-11-18 | 湖州南洋电机有限公司 | High-performance electric motor rotor core |
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2020
- 2020-05-09 CN CN202020762065.0U patent/CN211830363U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021227253A1 (en) * | 2020-05-09 | 2021-11-18 | 湖州南洋电机有限公司 | High-performance electric motor rotor core |
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