CN216530761U - Rotor punching sheet, rotor and motor - Google Patents
Rotor punching sheet, rotor and motor Download PDFInfo
- Publication number
- CN216530761U CN216530761U CN202123179477.5U CN202123179477U CN216530761U CN 216530761 U CN216530761 U CN 216530761U CN 202123179477 U CN202123179477 U CN 202123179477U CN 216530761 U CN216530761 U CN 216530761U
- Authority
- CN
- China
- Prior art keywords
- outer edge
- rotor
- rotor punching
- main body
- blocking
- 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.)
- Active
Links
Images
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a rotor punching sheet, a rotor and a motor, wherein the rotor punching sheet comprises a fan-shaped main body part, two sides of a large-diameter end of the main body part are protruded with first blocking hooks, two sides of a small-diameter end of the main body part are protruded with second blocking hooks, the first blocking hooks comprise a first outer edge, a second outer edge and a third outer edge, two ends of the second outer edge are connected with the first outer edge and the third outer edge, the second blocking hooks comprise a fourth outer edge, a fifth outer edge and a sixth outer edge, two ends of the fifth outer edge are connected with the fourth outer edge and the sixth outer edge, the first outer edge and the fourth outer edge are arranged in parallel, the second outer edge and the side edge of the main body part are arranged in parallel, when in sample arrangement, two adjacent rotor punching sheets are reversely arranged, so that the first outer edge of the first blocking hook of the two adjacent rotor punching sheets is superposed with the fourth outer edge of the second blocking hook, the second outer edge of the first blocking hook of the two adjacent rotor punching sheets is superposed with the side edge of the main body part, the rotor punching sheet clearance is reduced, the waste material amount is reduced, the plate is saved, the utilization rate of the plate is improved, and the manufacturing cost is reduced.
Description
The technical field is as follows:
the utility model relates to a rotor punching sheet, a rotor and a motor.
The background art comprises the following steps:
the design of the multi-station progressive die of the stator core punching sheet and the rotor core punching sheet of the existing motor generally comprises manufacturability analysis, blank expansion, sample arrangement, die design and die part design, wherein the reasonable sample arrangement (referring to a method for blanking strip materials or arranging on plate materials) of the stator core punching sheet and the rotor core punching sheet is an important prerequisite for the successful design of the die. And the structure of the die, the arrangement of the stations, the high and low material utilization rate and the guarantee of the dimensional accuracy of the die parts all depend on the correct layout arrangement. Therefore, the layout is the key of the design of the multi-station progressive die for the stator and the rotor of the motor iron core.
Whether the layout is reasonable or not also influences the utilization rate of materials, and the reasonable arrangement of workpieces (namely the economic utilization of the materials) has a close relation with the shapes of parts, so that the motor punching sheet which needs to be designed not only meets the requirements of electromagnetic performance, structural strength and the like, but also considers the optimization of the layout during punching of the punching sheet, namely, the reasonable shape, the shape size and the like of the punching sheet are required to be provided.
As shown in fig. 1 and fig. 2, the conventional rotor punching sheet includes a fan-shaped main body portion 1A, first stop hooks 2A are respectively protruded from both sides of a large diameter end 11A of the main body portion 1A, a protrusion 3A is protruded from a small diameter end 12A of the main body portion 1A, second stop hooks 4A are respectively protruded from both sides of the protrusion 3A, an outer edge of the first stop hook 2A, an outer edge of the second stop hook 4A, and an outer edge of the main body portion 1A of the conventional rotor punching sheet are not associated with each other, in order to save sheet material during sample arrangement, a plurality of punching sheet structures are generally designed side by side, two adjacent rotor punching sheets are reversely arranged, and the first stop hook 2A of the previous rotor punching sheet is vertically displaced from the second stop hook 4A of the next rotor punching sheet, because the outer edge of the first stop hook 2A, the outer edge of the second stop hook 4A, and the outer edge of the main body portion 1A of the conventional rotor punching sheet are not associated with each other, in sample arrangement, the first blocking hook 2A of the previous rotor punching sheet and the second blocking hook 4A of the next rotor punching sheet cannot be combined together, so that a large gap 5A is reserved between the two adjacent rotor punching sheets, the produced waste materials are large when the rotor punching sheets are punched, the waste of blanking strip materials or sheet materials is caused, the utilization rate of the blanking strip materials or sheet materials is low, and the manufacturing cost is high.
The utility model content is as follows:
the utility model aims to provide a rotor punching sheet, a rotor and a motor, which have the advantages of high material utilization rate during stock layout, less waste generation amount, material saving and low manufacturing cost.
The purpose of the utility model is realized by the following technical scheme.
The utility model aims to provide a rotor punching sheet which comprises a fan-shaped main body part, wherein first blocking hooks are respectively protruded from two sides of a large-diameter end of the main body part, protrusions are protruded from a small-diameter end of the main body part, second blocking hooks are respectively protruded from two sides of the protrusions, each first blocking hook comprises a first outer edge, a second outer edge and a third outer edge, two ends of each second outer edge are respectively connected with the first outer edge and the third outer edge, each second blocking hook comprises a fourth outer edge, a fifth outer edge and a sixth outer edge, two ends of each fifth outer edge are respectively connected with the fourth outer edge and the sixth outer edge, the first outer edge and the fourth outer edge are arranged in parallel, and the second outer edge and the side edge of the main body part are arranged in parallel.
Preferably, the length of the first outer edge is equal to the length of the fourth outer edge.
Preferably, the first outer edge, the second outer edge and the fourth outer edge are all straight edges.
Preferably, the main body part is provided with a positioning hole.
Preferably, the positioning holes are at least provided with 2, and the 2 positioning holes are arranged at intervals along the radial direction
The second purpose of the utility model is to provide a rotor, which comprises a rotor iron core assembly, wherein the rotor iron core assembly comprises a plurality of iron core units which are circumferentially distributed at intervals, the iron core units are laminated together by a plurality of rotor punching sheets, and the rotor punching sheets adopt the rotor punching sheets.
A third object of the present invention is to provide an electric machine comprising a rotor employing a rotor as described above.
Compared with the prior art, the utility model has the following effects:
1) according to the rotor punching sheet provided by the utility model, the first outer edge of the first blocking hook is arranged in parallel with the fourth outer edge of the second blocking hook, the second outer edge of the first blocking hook is arranged in parallel with the side edge of the main body part, so that the outer edge of the first blocking hook, the outer edge of the second blocking hook and the outer edge of the main body part are associated, when the sample is arranged, two adjacent rotor punching sheets are reversely arranged, the first outer edge of the first blocking hook of two adjacent rotor punching sheets is superposed with the fourth outer edge of the second blocking hook, and the second outer edge of the first blocking hook of two adjacent rotor punching sheets is superposed with the side edge of the main body part, so that the two adjacent rotor punching sheets are closer when the sample is arranged, the gap between the two adjacent rotor punching sheets is reduced, the waste amount can be reduced when the rotor punching sheets are punched, the sheet material can be better saved, the utilization rate of the sheet can be improved, and the manufacturing cost can be reduced.
2) Other advantages of the present invention are described in detail in the examples section.
Description of the drawings:
FIG. 1 is a schematic structural view of a rotor sheet provided for the prior art;
FIG. 2 is a schematic structural diagram of a rotor sheet layout provided for the prior art;
fig. 3 is a schematic structural diagram of a rotor sheet according to a first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a rotor sheet layout according to a first embodiment of the present invention;
FIG. 5 is an enlarged schematic view of portion A provided for FIG. 4;
fig. 6 is a schematic structural diagram of a rotor according to a second embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 3 to 5, the present embodiment provides a rotor punching sheet, including a fan-shaped main body portion 1, first blocking hooks 2 protruding from two sides of a large diameter end 11 of the main body portion 1, a protrusion 3 protruding from a small diameter end 12 of the main body portion 1, second blocking hooks 4 protruding from two sides of the protrusion 3, the first blocking hooks 2 including a first outer edge 21, a second outer edge 22 and a third outer edge 23, two ends of the second outer edge 22 being connected to the first outer edge 21 and the third outer edge 23, respectively, the second blocking hooks 4 including a fourth outer edge 41, a fifth outer edge 42 and a sixth outer edge 43, two ends of the fifth outer edge 42 being connected to the fourth outer edge 41 and the sixth outer edge 43, respectively, wherein the first outer edge 21 is arranged parallel to the fourth outer edge 41, the second outer edge 22 is arranged parallel to a side edge of the main body portion 1, the first outer edge 21 of the first blocking hooks 2 being arranged parallel to the fourth outer edge 41 of the second blocking hooks 4, the second outer edge 22 of the first blocking hook 2 is arranged in parallel with the side edge of the main body part 1, so that the outer edge of the first blocking hook 2, the outer edge of the second blocking hook 4 and the outer edge of the main body part 1 are associated, when sample arrangement is carried out, the adjacent two rotor punching sheets are reversely arranged, the first outer edge 21 of the first blocking hook 2 of the adjacent two rotor punching sheets is superposed with the fourth outer edge 41 of the second blocking hook 4, and the second outer edge 22 of the first blocking hook 2 of the adjacent two rotor punching sheets is superposed with the side edge of the main body part 1, so that the adjacent two rotor punching sheets are closer during sample arrangement of the punching sheets, the gap 5 between the adjacent two rotor punching sheets is reduced, the waste amount of the rotor punching sheets is reduced during punching, the sheet materials are better saved, the utilization rate of the sheet materials is improved, and the manufacturing cost is reduced.
The length of the first outer edge 21 is equal to that of the fourth outer edge 41, so that two adjacent rotor punching sheets can be more compact during stock layout, the amount of waste materials generated during punching of the rotor punching sheets is reduced, the plates are better saved, the utilization rate of the plates is improved, and the manufacturing cost is reduced.
The first outer edge 21, the second outer edge 22 and the fourth outer edge 41 are all straight edges, and are simple in shape, reasonable in design and convenient to punch.
The main body part 1 is provided with at least 2 positioning holes 13, the 2 positioning holes 13 are arranged at intervals along the radial direction, and the 2 positioning holes 13 are designed to facilitate positioning and fixing when a plurality of rotor punching sheets are stacked into the iron core, so that the iron core is more conveniently assembled.
Example two:
as shown in fig. 6, the present embodiment provides a rotor, including a rotor core assembly 6, where the rotor core assembly 6 includes a plurality of circumferentially spaced iron core units 61, a magnetic steel slot is formed between two adjacent iron core units 61, a permanent magnet 7 is embedded in the magnetic steel slot, the iron core units 61 are stacked together by a plurality of rotor punching sheets, and the rotor punching sheet adopts the rotor punching sheet according to the first embodiment.
Example three:
the embodiment provides a motor, which comprises a rotor, wherein the rotor adopts the rotor of the second embodiment.
The above embodiments are only preferred embodiments of the present invention, but the present invention is not limited thereto, and any other changes, modifications, substitutions, combinations, simplifications, which are made without departing from the spirit and principle of the present invention, are all equivalent replacements within the protection scope of the present invention.
Claims (7)
1. The utility model provides a rotor punching, is including being sectorial main part (1), and the both sides in the big footpath end (11) of main part (1) are salient respectively and are had first fender hook (2), and path end (12) protrusion in main part (1) has arch (3), and the both sides of arch (3) are salient respectively and are had second fender hook (4), its characterized in that: the first blocking hook (2) comprises a first outer edge (21), a second outer edge (22) and a third outer edge (23), two ends of the second outer edge (22) are respectively connected with the first outer edge (21) and the third outer edge (23), the second blocking hook (4) comprises a fourth outer edge (41), a fifth outer edge (42) and a sixth outer edge (43), two ends of the fifth outer edge (42) are respectively connected with the fourth outer edge (41) and the sixth outer edge (43), wherein the first outer edge (21) and the fourth outer edge (41) are arranged in parallel, and the second outer edge (22) and the side edge (14) of the main body part (1) are arranged in parallel.
2. The rotor sheet according to claim 1, wherein: the length of the first outer edge (21) is equal to the length of the fourth outer edge (41).
3. The rotor sheet according to claim 1 or 2, wherein: the first outer edge (21), the second outer edge (22) and the fourth outer edge (41) are all straight edges.
4. The rotor sheet according to claim 3, wherein: the main body part (1) is provided with a positioning hole (13).
5. The rotor sheet according to claim 4, wherein: the number of the positioning holes (13) is at least 2, and the 2 positioning holes (13) are arranged at intervals along the radial direction.
6. The utility model provides a rotor, includes rotor core subassembly (6), rotor core subassembly (6) include a plurality of circumference interval distribution's iron core unit (61), and iron core unit (61) are pressed together its characterized in that by a plurality of rotor punching sheets stack: the rotor punching sheet adopts the rotor punching sheet as claimed in any one of claims 1 to 5.
7. An electric machine comprising a rotor, characterized in that: the rotor is the one described in claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123179477.5U CN216530761U (en) | 2021-12-17 | 2021-12-17 | Rotor punching sheet, rotor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123179477.5U CN216530761U (en) | 2021-12-17 | 2021-12-17 | Rotor punching sheet, rotor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216530761U true CN216530761U (en) | 2022-05-13 |
Family
ID=81500105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123179477.5U Active CN216530761U (en) | 2021-12-17 | 2021-12-17 | Rotor punching sheet, rotor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216530761U (en) |
-
2021
- 2021-12-17 CN CN202123179477.5U patent/CN216530761U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211701649U (en) | High-power-density permanent magnet synchronous motor rotor for driving new energy automobile and punching sheet thereof | |
| CN216530761U (en) | Rotor punching sheet, rotor and motor | |
| CN112234735A (en) | Rotor punching sheet, rotor core, motor and vehicle | |
| CN202997741U (en) | An improved structure of a motor rotor | |
| CN213879407U (en) | Rotor punching sheet of alternating current synchronous generator | |
| CN201813232U (en) | Permanent magnet motor rotor | |
| CN218183098U (en) | Rotor of permanent magnet auxiliary synchronous reluctance motor and motor | |
| CN210640745U (en) | Novel rotor core structure of asynchronous starting permanent magnet synchronous motor | |
| CN215071849U (en) | New energy automobile motor rotor punching | |
| CN111740555B (en) | Manufacturing method of magneto stator core | |
| CN212381000U (en) | Stator core of magneto | |
| CN216530773U (en) | Punching sheet for rotor outer iron core, permanent magnet rotor and motor | |
| CN109586442B (en) | Motor and general rotor punching sheet thereof | |
| CN202405885U (en) | Stator iron core of motor | |
| CN206517272U (en) | A kind of permasyn morot magnetic steel embedded rotor | |
| CN113659746A (en) | Rotor punching sheet group, rotor iron core, rotor and motor | |
| CN113991951A (en) | Permanent magnet motor rotor machining process and rotor assembly | |
| CN201742250U (en) | Stator notching die | |
| CN211239487U (en) | Structure for fixing magnetic steel of permanent magnet synchronous motor | |
| CN218569944U (en) | Rotor punching sheet structure of permanent magnet motor | |
| CN211377707U (en) | Split combined stator | |
| CN221042413U (en) | DC outer rotor motor iron core punching sheet | |
| CN111756130A (en) | Stator core of magneto | |
| CN201656606U (en) | Silicon steel sheet for motor | |
| CN218183089U (en) | Disc type motor stator core structure, stator assembly and disc type motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |