CN211859905U - Non-cutting motor rotor punching sheet and punching device thereof - Google Patents
Non-cutting motor rotor punching sheet and punching device thereof Download PDFInfo
- Publication number
- CN211859905U CN211859905U CN202020194549.XU CN202020194549U CN211859905U CN 211859905 U CN211859905 U CN 211859905U CN 202020194549 U CN202020194549 U CN 202020194549U CN 211859905 U CN211859905 U CN 211859905U
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- China
- Prior art keywords
- stamping
- rotor
- punching
- rotor punching
- dead eye
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- 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.)
- Expired - Fee Related
Links
- 238000004080 punching Methods 0.000 title claims abstract description 83
- 238000005520 cutting process Methods 0.000 title claims abstract description 15
- 238000003825 pressing Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model relates to an electric motor rotor is towards piece processing technology, discloses no skiving electric motor rotor towards piece and stamping device thereof, goes out the rotor towards piece through the stamping device punching press of electric motor rotor towards piece, and the rotor body inboard of rotor towards piece is equipped with the dead eye, is equipped with the gib block groove between dead eye and the rotor body. The closed-loop structure is controlled in the guide strip groove, and the insulation property between the rotor punching sheets is ensured by the closed guide strip groove; and the concentricity of the rotor body and the bearing hole is less than or equal to 0.03mm, and the dynamic balance of the rotor punching is realized through the concentricity design of the rotor punching and the stator, so that the rotor punching is prevented from shaking during vibration, and the efficiency of the motor is ensured. Adopt the utility model relates to a rotor punching sheet that punching press goes out and stator are towards no air gap between the piece, and the rotor punching sheet of punching press need not cutting process to improve the insulating nature between the rotor punching sheet, further improved motor efficiency.
Description
Technical Field
The utility model relates to a motor protection device has especially related to the motor rotor towards piece of no cutting and stamping device thereof.
Background
After the motor rotor punching sheet designed in the prior art is punched, the sheet arrangement and aluminum casting are needed, and an air gap between the rotor and an iron core is easily generated at the diameter of the processed rotor excircle, so that the rotor punching sheet needs to be cut again, the insulativity between the rotor punching sheets is influenced, and the service efficiency of the motor is influenced.
For example, the patent titles: decide rotor punching apparatus for producing, application number: cn 201610848536.8, application date: 2014-08-25, which belongs to the technical field of motor manufacturing, relates to a stator and rotor punching sheet production device. The production line comprises a cutting system for cutting a silicon steel coil into a blanking plate and a stamping device for stamping the blanking plate into stator and rotor punching sheets, wherein a screening device is obliquely arranged at a punching sheet outlet of the stamping device, and the higher end of the screening device is positioned at a punching sheet outlet of the stamping device; the stator and rotor punching sheet production device further comprises a sorting device for sorting the stator and rotor punching sheets in the ground blanking. The invention improves the production efficiency, saves labor force and saves cost.
To prior art's rotor punching stamping device, there is gapped between the rotor punching of producing, need further carry out excircle processing to the rotor punching to influence the insulating nature of rotor punching, influence motor efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses there is the clearance between the rotor punching to producing among the prior art, need further carry out the excircle processing to the rotor punching to influence the insulating nature of rotor punching, influence the problem of motor efficiency, provide a no skiving motor rotor punching and stamping device thereof.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve:
the motor rotor punching sheet without cutting comprises a rotor body, wherein a bearing hole is formed in the inner side of the rotor body, and a guide strip groove is formed between the bearing hole and the rotor body.
Preferably, the bearing hole comprises a first positioning groove and a second positioning groove, the difference between the short side of the first positioning groove and the bearing hole is not less than 2.2mm, the difference between the distances on the two sides is not less than 0.8mm, and the difference between the second positioning groove and the bearing hole is not less than 1.7 mm.
Preferably, the distance of the difference between the short side of the first positioning groove and the bearing hole is 3mm, the distance of the difference between the two sides of the first positioning groove is 1mm, and the distance of the difference between the second positioning groove and the bearing hole is 2 mm.
Preferably, the concentricity of the rotor body and the bearing hole is 0.03mm or less. Through the concentricity design of the rotor punching sheet and the stator, the dynamic balance of the rotor punching sheet is realized, the rotor punching sheet is prevented from shaking during vibration, and the efficiency of the motor is ensured.
As the preferred, the conducting bar groove is of a hollow closed-loop structure, and the insulating property between the rotor punching sheets is ensured by the closed conducting bar groove.
A stamping device for making no cutting motor rotor towards piece, it includes punching press frame and punching press subassembly device: a stamping platform is arranged on the stamping machine seat, a stamping cylinder is arranged on the left side of the stamping platform, a pressing device is arranged on the right side of the stamping platform, and the stamping cylinder is connected with the pressing device;
one side of the stamping component device is provided with a stamping guide rail; a stamping driving device is arranged on the other side of the stamping guide rail, and drives the stamping driving device to move along the stamping guide rail;
a stamping telescopic device is fixed on the stamping platform, a stamping assembly device is connected on the stamping platform, and a rotor die is arranged between the stamping platform and the stamping assembly device;
the punching assembly device places the raw material of the rotor punching sheet on a rotor die, and the punching assembly device presses the pressing device through the punching cylinder to punch the rotor punching sheet.
The utility model discloses owing to adopted above technical scheme, have apparent technological effect: the punching device of the motor rotor punching sheet is used for punching the rotor punching sheet, a bearing hole is formed in the inner side of the rotor body, and a guide strip groove is formed between the bearing hole and the rotor body. The guide bar groove is of a hollow closed-loop structure, and the closed guide bar groove ensures the insulativity between the rotor punching sheets; the concentricity of the rotor body and the bearing hole is less than or equal to 0.03mm, the dynamic balance of the rotor punching is realized through the concentricity design of the rotor punching and the bearing hole, the rotor punching is prevented from shaking when vibrating, and the efficiency of the motor is ensured.
The utility model relates to a rotor punching sheet that punching press goes out and stator are towards no air gap between the piece, and the rotor punching sheet of punching press need not cutting process to improve the insulating nature between the rotor punching sheet, further improved motor efficiency.
Drawings
Fig. 1 is the structure diagram of the rotor punching sheet of the utility model.
Fig. 2 is a structural view of the press device of the present invention.
Fig. 3 is a rotor sheet guide bar groove diagram of the present invention.
The names of the parts indicated by the numerical references in the above figures are as follows: the names of the parts indicated by the numerical references in the above figures are as follows: the stamping device comprises a rotor die 1, a stamping platform 2, a pressing device 3, a stamping guide rail 4, a stamping driving device 5, a stamping transmission device 6, a stamping assembly device 7, a stamping cylinder 8, a telescopic device 9, a stamping machine base 10, a rotor body 11, a bearing hole 12, a guide strip groove 13, a first positioning groove 121 and a second positioning groove 122.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1
The motor rotor punching sheet without cutting comprises a rotor body 11, a bearing hole 12 is formed in the inner side of the rotor body 11, and a guide strip groove 13 is formed between the bearing hole 12 and the rotor body 11.
The concentricity of the rotor body 11 and the bearing hole 12 is less than or equal to 0.03 mm.
The punching device for manufacturing the non-cutting motor rotor punching sheet comprises a punching machine base 10 and a punching assembly device 7, wherein a punching platform 2 is arranged on the punching machine base 10, a punching air cylinder 8 is arranged on the left side of the punching platform 2, a pressing device 3 is arranged on the right side of the punching platform 2, and the punching air cylinder 8 is connected with the pressing device 3;
one side of the stamping component device 7 is provided with a stamping guide rail 4; a stamping transmission device 6 is arranged on the other side of the stamping guide rail 4, a stamping driving device 5 is arranged on the stamping transmission device 6, and the stamping driving device 5 drives the stamping transmission device 6 to move along the stamping guide rail 4;
a stamping telescopic device 9 is fixed on the stamping platform 2, a stamping assembly device 7 is connected on the stamping platform 2, and a rotor die 1 is arranged between the stamping platform 2 and the stamping assembly device 7;
the punching assembly device 7 places the raw material of the rotor punching sheet on the rotor die 1, and compresses the pressing device 3 through the punching air cylinder 8 to punch the rotor punching sheet. The punched rotor punching sheet and the punched stator punching sheet are positioned on the bearing hole with the same concentricity, so that the insulativity of the rotor punching sheet is ensured, and the motor efficiency is improved.
Example 2
On the basis of embodiment 1, the difference between the short side of the first positioning groove 121 and the bearing hole 12 is 2.2mm, the difference between the distances of the two sides is 0.8mm, and the difference between the second positioning groove 122 and the bearing hole 12 is 1.7 mm.
Example 3
On the basis of embodiment 1, the concentricity of the rotor body 11 and the bearing hole 12 is 0.028 mm.
Example 4
On the basis of embodiment 1, the conducting bar slot 13 is a hollow closed-loop structure.
In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.
Claims (4)
1. No motor rotor towards piece of cutting, including rotor body (11), its characterized in that: rotor body (11) inboard is equipped with dead eye (12), be equipped with between dead eye (12) and rotor body (11) and lead a groove (13), dead eye (12) include first constant head tank (121) and second constant head tank (122), the short side of first constant head tank (121) differs with dead eye (12) and is not less than 2.2mm, both sides distance differs and is not less than 0.8mm, second constant head tank (122) differs with dead eye (12) and is not less than 1.7mm, lead a groove (13) cavity closed loop structure.
2. The non-cutting motor rotor punching sheet according to claim 1, characterized in that: the distance that the short side of first constant head tank (121) differed with dead eye (12) is 3mm, and the distance that the both sides differed is 1mm, and the distance that second constant head tank (122) differed with dead eye (12) is 2 mm.
3. The non-cutting motor rotor punching sheet according to claim 1, characterized in that: the concentricity of the rotor body (11) and the bearing hole (12) is less than or equal to 0.03 mm.
4. A stamping device for manufacturing a non-cutting motor rotor punching sheet as any one of claims 1-3, comprising a stamping machine base (10) and a stamping assembly device (7), characterized in that:
a stamping platform (2) is arranged on the stamping machine base (10), a stamping cylinder (8) is arranged on the left side of the stamping platform (2), a pressing device (3) is arranged on the right side of the stamping platform (2), and the stamping cylinder (8) is connected with the pressing device (3);
a stamping guide rail (4) is arranged on one side of the stamping component device (7); a stamping transmission device (6) is arranged on the other side of the stamping guide rail (4), a stamping driving device (5) is arranged on the stamping transmission device (6), and the stamping driving device (5) drives the stamping transmission device (6) to move along the stamping guide rail (4);
a stamping telescopic device (9) is fixed on the stamping platform (2), a stamping assembly device (7) is connected on the stamping platform (2), and a rotor die (1) is arranged between the stamping platform (2) and the stamping assembly device (7);
the punching assembly device (7) places the raw material of the rotor punching sheet on the rotor die (1), and the pressing device (3) is pressed through the punching cylinder (8) to punch the rotor punching sheet.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020194549.XU CN211859905U (en) | 2020-02-22 | 2020-02-22 | Non-cutting motor rotor punching sheet and punching device thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020194549.XU CN211859905U (en) | 2020-02-22 | 2020-02-22 | Non-cutting motor rotor punching sheet and punching device thereof |
Publications (1)
Publication Number | Publication Date |
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CN211859905U true CN211859905U (en) | 2020-11-03 |
Family
ID=73248534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202020194549.XU Expired - Fee Related CN211859905U (en) | 2020-02-22 | 2020-02-22 | Non-cutting motor rotor punching sheet and punching device thereof |
Country Status (1)
Country | Link |
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CN (1) | CN211859905U (en) |
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2020
- 2020-02-22 CN CN202020194549.XU patent/CN211859905U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |