CN107017716B - Rotor punching sheet, rotor, motor and rotor punching sheet processing method - Google Patents
Rotor punching sheet, rotor, motor and rotor punching sheet processing method Download PDFInfo
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- CN107017716B CN107017716B CN201710343950.8A CN201710343950A CN107017716B CN 107017716 B CN107017716 B CN 107017716B CN 201710343950 A CN201710343950 A CN 201710343950A CN 107017716 B CN107017716 B CN 107017716B
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- rotor
- punching
- bodies
- punching sheet
- sheet
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- 238000004080 punching Methods 0.000 title claims abstract description 158
- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims description 19
- 230000007704 transition Effects 0.000 claims description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- 230000008569 process Effects 0.000 description 11
- 239000002699 waste material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
Abstract
The application provides a rotor punching sheet, a rotor, a motor and a processing method of the rotor punching sheet, wherein the rotor punching sheet comprises the following components: a main body portion; the punching sheet bodies are multiple, the punching sheet bodies are detachably mounted on the main body along the circumferential direction of the main body, and a clearance groove for mounting a magnet is formed between two adjacent punching sheet bodies. The rotor punching sheet solves the problem that the rotor punching sheet is processed in an integrated forming mode in the prior art to cause more material cost.
Description
Technical Field
The application relates to the field of motors, in particular to a rotor punching sheet, a rotor, a motor and a rotor punching sheet processing method.
Background
In the permanent magnet motor, the improvement requirement on the performance of the rotor is higher, but the performance is often influenced by the price of magnetic materials and the structural reliability when the performance is improved. In common structures, compared with a labeling structure, the built-in tangential rotor structure can effectively reduce demagnetization caused by armature reaction, and has higher reliability. The centrifugal force protection of the motor during high-speed operation is improved while the performance is improved.
However, the built-in tangential structure is that the magnet is embedded into the rotor core, and the magnet mounting part of the rotor punching sheet needs to be punched out, so that more materials are formed.
Disclosure of Invention
The application mainly aims to provide a rotor punching sheet, a rotor, a motor and a rotor punching sheet processing method, so as to solve the problem that more materials are consumed in the process of integrally forming the rotor punching sheet in the prior art.
In order to achieve the above object, according to a first aspect of the present application, there is provided a rotor sheet comprising: a main body portion; the punching sheet bodies are multiple, the punching sheet bodies are detachably mounted on the main body along the circumferential direction of the main body, and a clearance groove for mounting a magnet is formed between two adjacent punching sheet bodies.
Further, the punching sheet body includes: the connecting part is provided with a clamping part matched with the connecting part, and the connecting part is clamped with the clamping part so that the punching sheet body is detachably arranged on the main body.
Further, the connecting part is a clamping hook, the clamping part is a clamping groove, and the clamping hook is clamped in the clamping groove.
Further, the main body part is provided with a plurality of abdication grooves, the plurality of abdication grooves are arranged at intervals along the circumferential outer edge of the main body part, and each connecting part respectively passes through the corresponding abdication groove to be clamped in the clamping part.
Further, the clamping portion comprises a first clamping groove and a second clamping groove, the first clamping groove is communicated with the abdicating groove, the second clamping groove is an arc-shaped groove, the connecting portion is provided with a hook body matched with the second clamping groove, and the hook body is clamped in the arc-shaped groove.
Further, the punching sheet body further includes: the body part is of a fan-shaped structure, and the connecting part is arranged at the small-diameter end of the body part.
Further, the punching sheet body further includes: the first end of the transition part is connected with the connecting part, and the second end of the transition part is connected with the small-diameter end of the body part.
Further, the punching sheet body further comprises a body part, the body part is of a fan-shaped structure, the large-diameter end of the body part is provided with a limiting part for stopping the magnet, and the body parts and the limiting parts of the two adjacent punching sheet bodies jointly enclose a clearance groove.
According to a second aspect of the present application, there is provided a rotor comprising a rotor sheet as described above.
According to a third aspect of the present application there is provided an electrical machine comprising a rotor as described above.
According to a fourth aspect of the present application, there is provided a rotor sheet processing method for processing the above rotor sheet, the rotor sheet processing method comprising: selecting a first plate, and sequentially stamping along the extending direction of the first plate to obtain a plurality of rotor punching sheet bodies.
Further, the method for stamping the punching body on the first plate comprises the following steps: and stamping a plurality of rows of punching bodies on the first plate, wherein each row of punching bodies comprises a plurality of punching bodies.
Further, the method for stamping the multi-row punching body on the first plate comprises the following steps: stamping a first row of punching sheet bodies on the first plate along the extending direction of the first plate; stamping a second row of stamping sheet bodies on the first plate along the extending direction of the first plate; wherein, each punching sheet body in the second row of punching sheet bodies is punched in the gap between two adjacent punching sheet bodies in the first row of punching sheet bodies.
Further, the rotor punching processing method further comprises the following steps: selecting a second plate, and stamping on the second plate to obtain a main body part of the rotor punching sheet; the plurality of punching sheet bodies are sequentially mounted on the main body part along the circumferential direction of the main body part.
The rotor punching sheet is assembled through the main body part and the punching sheet bodies, wherein the number of the punching sheet bodies is multiple. In a specific assembly process of the rotor punching sheet, a plurality of punching sheet bodies are sequentially installed along the circumferential direction of the main body part, so that the assembly of the rotor punching sheet is completed, wherein the punching sheet bodies are detachably installed on the main body part. Compared with the existing integrally formed rotor punching, the rotor punching is formed by splicing the plurality of punching bodies, waste materials are less in the processing process, and the damaged punching bodies can be replaced, so that the overall manufacturing cost is reduced, and the problem that more materials are consumed due to the integrally formed rotor punching in the prior art is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 shows a schematic structural view of a rotor lamination in accordance with the present application mated with a magnet;
FIG. 2 shows a schematic structural view of an embodiment of a rotor sheet according to the present application;
FIG. 3 shows a schematic structural view of a body portion of a rotor sheet according to the present application;
FIG. 4 shows an enlarged partial view of a rotor sheet according to the present application;
fig. 5 shows a schematic structural view of a rotor sheet according to the present application; and
fig. 6 shows a stamping mode diagram of a stamping body of a rotor stamping according to the application.
Wherein the above figures include the following reference numerals:
10. a main body portion; 11. a clamping part; 111. a first clamping groove; 112. a second clamping groove; 12. a relief groove; 20. a punching body; 21. a connection part; 22. a body portion; 221. a limit part; 23. a transition section; 30. a clearance groove; 40. a magnet; 50. a first sheet material.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
The present application provides a rotor punching sheet, please refer to fig. 1 to 6, the rotor punching sheet includes: a main body 10; the number of the punching bodies 20 is plural, the plurality of the punching bodies 20 are detachably mounted on the main body 10 along the circumferential direction of the main body 10, and a clearance groove 30 for mounting the magnet 40 is formed between two adjacent punching bodies 20.
The rotor punching of the present application is assembled by the main body 10 and the punching body 20, wherein the number of the punching bodies 20 is plural. In a specific assembly process of the rotor sheet, the assembly of the rotor sheet is completed by sequentially mounting a plurality of sheet bodies 20 in the circumferential direction of the main body 10, wherein the sheet bodies 20 are detachably mounted on the main body 10. Compared with the existing integrally formed rotor punching, the rotor punching is formed by splicing the plurality of punching bodies 20, so that less waste is generated in the processing process, and the damaged punching bodies 20 can be replaced, thereby reducing the overall manufacturing cost and solving the problem of more material cost caused by the integrally formed rotor punching in the prior art.
In order to enable the die body 20 to be detachably mounted on the main body 10 in the circumferential direction of the main body 10, as shown in fig. 2, the die body 20 includes: the connecting part 21 and the main body part 10 are provided with a clamping part 11 matched with the connecting part 21, and the connecting part 21 is clamped with the clamping part 11 so that the punching sheet body 20 is detachably arranged on the main body part 10.
In the present embodiment, the connecting portion 21 is provided on the punching body 20, the clamping portion 11 adapted to the connecting portion 21 is provided on the main body 10, and the plurality of punching bodies 20 are sequentially mounted along the circumferential direction of the main body 10 by clamping the connecting portion 21 on the clamping portion 11, so that the punching body 20 is detachably connected with the main body 10.
In order to achieve stable connection between the punching body 20 and the main body 10, as shown in fig. 3 and 5, the connection portion 21 is a clamping hook, the clamping portion 11 is a clamping groove, and the clamping hook is clamped in the clamping groove. Through setting up connecting portion 21 as the joint hook, joint portion 11 is the joint groove, in specific assembly process, through with joint hook joint in the joint inslot to the stable connection of punching body 20 and main part 10 has been realized.
In this embodiment, the connecting portion 21 is set as the clamping hook, the clamping portion 11 is a clamping groove, and the clamping hook is clamped in the clamping groove, so that the stable connection of the punching body 20 and the main body 10 is realized, and even if a large centrifugal force is generated in the high-speed rotation process of the motor, the clamping hook is clamped in the clamping groove, and the clamping hook and the main body 10 are mutually pulled, so that the stability of the cooperation of the punching body 20 and the main body 10 is improved.
In order to realize the assembly of the punching body 20 and the main body 10, as shown in fig. 3, the main body 10 has a plurality of relief grooves 12, the plurality of relief grooves 12 are arranged at intervals along the circumferential outer edge of the main body 10, and each connecting portion 21 is respectively clamped in the clamping portion 11 through the corresponding relief groove 12. Through being provided with the recess 12 of stepping down on the main part 10, wherein, a plurality of recesses 12 of stepping down set up along main part 10 circumference outward flange interval, when installing a plurality of towards piece body 20 along main part 10 circumference in proper order, each connecting portion 21 passes corresponding recess 12 card of stepping down and establishes on joint portion 11 respectively to the equipment of towards piece body 20 and main part 10 has been realized.
In order to enable the connection portion 21 to be clamped on the clamping portion 11, as shown in fig. 3, the clamping portion 11 includes a first clamping groove 111 and a second clamping groove 112, the first clamping groove 111 is communicated with the yielding groove 12, the second clamping groove 112 is an arc-shaped groove, the connection portion 21 has a hook body adapted to the second clamping groove 112, and the hook body is clamped in the arc-shaped groove.
In this embodiment, the clamping portion 11 has a first clamping groove 111 and a second clamping groove 112, where the first clamping groove 111 is communicated with the yielding groove 12, the second clamping groove 112 is an arc groove, the connecting portion 21 has a hook body adapted to the second clamping groove 112, and the connecting portion 21 and the clamping portion 11 are connected by clamping the hook body of the connecting portion 21 in the arc groove.
In this embodiment, the clamping portion 11 is composed of a first clamping groove 111 and a second clamping groove 112, a clamping portion for clamping the connecting portion 21 is formed by communicating the first clamping groove 111 with the giving way groove 12, wherein the second clamping groove 112 is an arc-shaped groove, and a hook body matched with the second clamping groove 112 is arranged on the connecting portion 21, and the hook body of the connecting portion 21 is clamped in the arc-shaped groove, so that the connection between the connecting portion 21 and the clamping portion 11 is realized.
For the specific structure of the punching body 20, as shown in fig. 1 and 2, the punching body 20 further includes: the body 22, the body 22 is fan-shaped, and the connecting portion 21 is provided at the small diameter end of the body 22. By providing the body portion 22 on the punching body 20, wherein the body portion 22 has a fan-shaped structure, the connecting portion 21 is provided at the small diameter end of the body portion 22.
In the present embodiment, a clearance groove 30 for mounting the magnet 40 is formed between two adjacent fan-shaped structures.
In order to enable connection of the connection portion 21 and the body portion 22, as shown in fig. 5, the die body 20 further includes: the transition portion 23, the first end of the transition portion 23 is connected with the connecting portion 21, and the second end of the transition portion 23 is connected with the small diameter end of the body portion 22. By providing the transition portion 23 on the die body 20, wherein the first end of the transition portion 23 is connected with the connecting portion 21, the second end of the transition portion 23 is connected with the small diameter end of the body portion 22, so that the connection of the connecting portion 21 and the body portion 22 is achieved through the transition portion 23.
In this embodiment, the punching body 20 is composed of a connecting portion 21, a transition portion 23 and a body portion 22, wherein a first end of the transition portion 23 is connected with the connecting portion 21, and a second end of the transition portion 23 is connected with a small diameter end of the body portion 22, so that connection between the connecting portion 21 and the body portion 22 is achieved through the transition portion 23.
In this embodiment, one side of the transition portion 23 is connected to one side of the small diameter end of the body portion 22 in a straight line, and an included angle is formed between the other side of the transition portion 23 and the other side of the small diameter end.
In order to stably mount the magnet 40 in the clearance groove 30 formed between the adjacent two of the punching bodies 20, as shown in fig. 5, the punching bodies 20 further include a body portion 22, the body portion 22 has a fan-shaped structure, a large diameter end of the body portion 22 has a stopper portion 221 for stopping the magnet 40, and the body portion 22 and the stopper portion 221 of the adjacent two of the punching bodies 20 together enclose the clearance groove 30. By providing the large diameter end of the body portion 22 with the stopper 221, the body portion 22 and the stopper 221 of the two adjacent punch bodies 20 together enclose the clearance groove 30, and the magnet 40 is stopped in the clearance groove 30 by the stopper 221.
In the present embodiment, the large diameter end of the body portion 22 has the stopper 221, wherein the stopper 221 extends outwardly along the large diameter end of the body portion 22, so that a stopper structure for restricting the magnet 40 is formed between two adjacent stopper 221. The body portion 22 and the limiting portion 221 of two adjacent punching bodies 20 together enclose a gap groove 30, and the magnet 40 is stopped in the gap groove 30 by the limiting portion 221.
In the present embodiment, the limiting portion 221 extends outward along the circumferential direction of the large diameter end of the body portion 22, so that the adjacent two punching bodies 20 enclose the clearance groove 30.
The specific structure of the rotor punching sheet of the application is described as follows:
the rotor punching sheet of the application realizes cost reduction by arranging 2 kinds of iron cores, the first part of the rotor punching sheet is an outer iron core (a punching sheet body 20), the number of poles of the first part of the rotor punching sheet is consistent with that of poles of a rotor, and 12 rotor iron cores are used as an example, and the rotor punching sheet is axially distributed along the structure of an inner iron core (a main body part 10) of the rotor to form a rotor assembly.
According to the rotor punching sheet, the outer iron cores of the 12 rotor punching sheets are transversely distributed, so that the iron core empty slots are nearly seamless, and the cost is reduced.
In order to improve the resistance to the high-speed centrifugal force of the rotor, the outer iron core and the inner iron core of the rotor punching sheet are designed to be mutually meshed in consideration of the positive and negative rotors of the motor, and are mutually pulled when the motor rotates at a high speed, so that the reliability of structural fit is improved.
In order to ensure the service performance, the rotor punching sheet is designed to avoid empty slots at the position matched with the magnetic shoe in the structural design, so that the magnetic leakage is reduced, and the motor performance is ensured to be unchanged while the cost of the rotor core is reduced.
The mutual engagement structure of the rotor punching sheet, the outer iron core (punching sheet body) and the inner iron core (main body part) comprises, but is not limited to, the structures listed above, such as a concave structure, a plug-in shape change and the like.
The application also provides a rotor, which comprises the rotor punching sheet.
The application also provides a motor, which comprises a rotor, wherein the rotor is the rotor.
The application also provides a rotor punching processing method, which is used for processing the rotor punching and comprises the following steps: the first plate 50 is selected, and the punching bodies of the plurality of rotor punching sheets are obtained by punching in sequence along the extending direction of the first plate.
In this embodiment, the first plate is selected, and then the punching bodies of the plurality of rotor punching sheets are sequentially punched along the extending direction of the first plate 50, so that a plurality of punching bodies are quickly obtained.
To improve the utilization of the material, as shown in fig. 6, the method for stamping the punching body on the first plate 50 includes: and stamping a plurality of rows of punching bodies on the first plate, wherein each row of punching bodies comprises a plurality of punching bodies.
For a particular stamping process, the method of stamping multiple rows of die bodies on the first sheet material 50 includes: stamping a first row of stamping bodies on the first plate material along the extending direction of the first plate material 50; stamping a second row of stamping sheet bodies on the first plate along the extending direction of the first plate; wherein, each punching sheet body in the second row of punching sheet bodies is punched in the gap between two adjacent punching sheet bodies in the first row of punching sheet bodies.
In this embodiment, two rows of the punching bodies may be punched on the first plate, each row having the same number of punching bodies. In the specific stamping process, a first row of stamping sheet bodies are stamped on the first plate along the extending direction of the first plate, and then a second row of stamping sheet bodies are stamped on the first plate along the extending direction of the first plate.
In this embodiment, each punch body in the second row of punch bodies is inserted in a gap between two adjacent punch bodies of the first row of punch bodies, and the limiting portion of the first row of punch bodies is adjacent to the connecting portion of the second row of punch bodies, and a smaller punching gap is formed between the two punch bodies.
In order to quickly obtain the main body part of the rotor punching sheet, the rotor punching sheet processing method further comprises the following steps: selecting a second plate, and stamping on the second plate to obtain a main body part of the rotor punching sheet; the plurality of punching sheet bodies are sequentially mounted on the main body part along the circumferential direction of the main body part. Through selecting the second sheet material, through punching press in order to obtain the main part of rotor punching on the second sheet material, then install a plurality of punching bodies that the punching press obtained on main part along the circumference of main part in proper order to the quick equipment of rotor punching has been realized.
In this embodiment, for the stamping of the stamping body and the main body, the corresponding stamping tool is designed, and then the stamping is performed to obtain the corresponding stamping body and the main body.
From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects:
the rotor punching of the present application is assembled by the main body 10 and the punching body 20, wherein the number of the punching bodies 20 is plural. In a specific assembly process of the rotor sheet, the assembly of the rotor sheet is completed by sequentially mounting a plurality of sheet bodies 20 in the circumferential direction of the main body 10, wherein the sheet bodies 20 are detachably mounted on the main body 10. Compared with the existing integrally formed rotor punching, the rotor punching is formed by splicing the plurality of punching bodies 20, so that less waste is generated in the processing process, and the damaged punching bodies 20 can be replaced, thereby reducing the overall manufacturing cost and solving the problem of more material cost caused by the integrally formed rotor punching in the prior art.
The rotor punching sheet has the following advantages:
the rotor punching sheet has obvious cost benefit because the iron core occupies a large proportion in the cost of the motor, if the punched waste material is partially utilized, the cost of the rotor iron core of the motor is estimated to be reduced by about 30 percent, and the material cost of the iron core of the motor is greatly saved.
The designed mutually-meshed structure aims at the connection of the outer iron core and the inner iron core, so that mutual pulling is realized at the circumferential position of a spliced position when the motor rotates positively and negatively, and the integral stability is realized by injection molding of materials such as epoxy resin and the like through the current mature technology.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. A rotor punching sheet, comprising:
a main body (10);
the multiple stamping bodies (20) are detachably arranged on the main body (10) along the circumferential direction of the main body (10), and a clearance groove (30) for installing a magnet (40) is formed between two adjacent stamping bodies (20);
the punching body (20) comprises a connecting part (21), the main body part (10) is provided with a clamping part (11) matched with the connecting part (21), and the connecting part (21) is clamped with the clamping part (11) so that the punching body (20) is detachably arranged on the main body part (10); the connecting part (21) is a clamping hook, the clamping part (11) is a clamping groove, and the clamping hook is clamped in the clamping groove;
the main body part (10) is provided with a plurality of abdication grooves (12), the abdication grooves (12) are arranged at intervals along the circumferential outer edge of the main body part (10), and each connecting part (21) respectively passes through the corresponding abdication groove (12) to be clamped in the clamping part (11);
the clamping part (11) comprises a first clamping groove (111) and a second clamping groove (112), the first clamping groove (111) is communicated with the abdication groove (12), the second clamping groove (112) is an arc-shaped groove, the connecting part (21) is provided with a hook body matched with the second clamping groove (112), and the hook body is clamped in the arc-shaped groove.
2. The rotor punching sheet according to claim 1, characterized in that the punching sheet body (20) further comprises:
the body part (22), body part (22) are fan-shaped structure, connecting portion (21) set up in body part (22) path end.
3. The rotor punching sheet according to claim 2, characterized in that the punching sheet body (20) further comprises:
and a transition part (23), wherein a first end of the transition part (23) is connected with the connecting part (21), and a second end of the transition part (23) is connected with the small-diameter end of the body part (22).
4. The rotor punching sheet according to claim 1, characterized in that the punching sheet body (20) further comprises a body portion (22), the body portion (22) is of a fan-shaped structure, a large-diameter end of the body portion (22) is provided with a limiting portion (221) for stopping the magnet (40), and the body portion (22) and the limiting portion (221) of two adjacent punching sheet bodies (20) jointly enclose the clearance groove (30).
5. A rotor comprising a rotor sheet, characterized in that the rotor sheet is a rotor sheet according to any one of claims 1 to 4.
6. An electric machine comprising a rotor, wherein the rotor is the rotor of claim 5.
7. A rotor sheet processing method for processing the rotor sheet according to any one of claims 1 to 4, characterized by comprising:
and selecting a first plate, and sequentially stamping along the extending direction of the first plate to obtain a plurality of punching sheet bodies of the rotor punching sheet.
8. The method of claim 7, wherein stamping the die body on the first sheet material comprises:
and stamping a plurality of rows of punching bodies on the first plate, wherein each row of punching bodies comprises a plurality of punching bodies.
9. The method of claim 8, wherein stamping a plurality of rows of the die bodies on the first sheet material comprises:
stamping a first row of stamping sheet bodies on the first plate along the extending direction of the first plate;
stamping a second row of stamping bodies on the first plate along the extending direction of the first plate;
wherein, each in the second row the punching sheet body all punching press is in the first row the punching sheet body is internal adjacent two in the clearance between the punching sheet body.
10. The method of processing of claim 7, wherein the method of processing the rotor punching sheet further comprises:
selecting a second plate material, and stamping the second plate material to obtain a main body part of the rotor punching sheet;
and sequentially installing a plurality of punching sheet bodies on the main body part along the circumferential direction of the main body part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710343950.8A CN107017716B (en) | 2017-05-16 | 2017-05-16 | Rotor punching sheet, rotor, motor and rotor punching sheet processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710343950.8A CN107017716B (en) | 2017-05-16 | 2017-05-16 | Rotor punching sheet, rotor, motor and rotor punching sheet processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107017716A CN107017716A (en) | 2017-08-04 |
| CN107017716B true CN107017716B (en) | 2023-11-14 |
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| CN201710343950.8A Active CN107017716B (en) | 2017-05-16 | 2017-05-16 | Rotor punching sheet, rotor, motor and rotor punching sheet processing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112600371B (en) * | 2020-12-18 | 2022-06-21 | 山东理工大学 | Production method of locking ring type modular double-excitation driving motor rotor |
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| JP2009207293A (en) * | 2008-02-28 | 2009-09-10 | Nidec Shibaura Corp | Motor rotor and motor |
| CN102959833A (en) * | 2010-06-25 | 2013-03-06 | 三菱电机株式会社 | Laminated core for dynamo-electric machine |
| CN103001358A (en) * | 2011-09-08 | 2013-03-27 | 三星电子株式会社 | Motor and washing machine having the same |
| CN203301269U (en) * | 2013-05-20 | 2013-11-20 | 毕再兴 | Rotor of DC motor and DC motor provided therewith |
| CN106208445A (en) * | 2015-05-27 | 2016-12-07 | Lg伊诺特有限公司 | Rotor and include the motor of this rotor |
| CN106451833A (en) * | 2016-08-26 | 2017-02-22 | 卧龙电气集团股份有限公司 | Stator core structure of inner stator motor and manufacturing method thereof |
| CN206775257U (en) * | 2017-05-16 | 2017-12-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor punching, rotor and motor |
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