CN217590404U - Multi-air-gap low-noise motor rotor punching sheet - Google Patents
Multi-air-gap low-noise motor rotor punching sheet Download PDFInfo
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- CN217590404U CN217590404U CN202221812534.0U CN202221812534U CN217590404U CN 217590404 U CN217590404 U CN 217590404U CN 202221812534 U CN202221812534 U CN 202221812534U CN 217590404 U CN217590404 U CN 217590404U
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- 238000004080 punching Methods 0.000 title claims description 78
- 238000003825 pressing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 16
- 230000000694 effects Effects 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 description 7
- 239000013585 weight reducing agent Substances 0.000 description 5
- 238000010030 laminating Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a many air gaps low noise electric motor rotor towards piece, including first towards piece, locating component and second towards the piece, connecting shaft groove has been seted up towards piece middle part to first piece, and first piece upper surface has been seted up and has been subtract heavy groove for it makes an uproar to fall locating component sets up in the upper surface of first piece to, and locating component includes protruding piece and micropore, and protruding piece surface has seted up the micropore, the first piece is kept away from the one end of vertical axis and has been seted up the coil groove towards the piece, the second towards the piece and connect in first piece upper end towards the piece, and the indent has been seted up towards the piece lower surface towards the second. This many air gaps low noise electric motor rotor is provided with the micropore towards the piece, and first towards the piece up end and be provided with a protruding piece, and a plurality of micropores have been seted up to protruding piece surface, and it can absorb the noise that produces rotating the in-process for the sound wave is along with the deepening of hole and the effect of rotor takes place the friction and becomes heat energy with sound energy, and then reduces the noise that the rotor produced in the course of the work.
Description
Technical Field
The utility model relates to an electric motor rotor technical field specifically is a many air gaps low noise electric motor rotor towards piece.
Background
The motor comprises a stator and a rotor, wherein a wire group is wound on the stator, the rotor extends into the stator, the rotor comprises a rotor shaft and a plurality of rotor punching sheets which are arranged on the rotor shaft and overlapped mutually, each rotor punching sheet is provided with a magnetic steel groove, and the magnetic steel penetrates through the corresponding magnetic steel grooves of all the rotor punching sheets simultaneously so as to form electromagnetic excitation with the stator when the rotor rotates.
As in application No.: CN201310005698.1, the utility model discloses a rotor punching sheet for motor, include: the rotor punching sheet body is a closed groove, and the overall strength of the die is high, so that the service life of the die is prolonged, and the manufacturing cost of the punching sheet is low. After the rotor punching sheet adopts the closed groove shape, an aluminum casting die middle sleeve is not needed, the die cost is reduced, the production efficiency is improved, and the product quality is ensured. When the cast aluminum rotor is turned, accumulated scraps cannot be left, stray loss of the motor is reduced, and the motor efficiency is high.
The rotor sheet for the motor similar to the above application has the following defects at present:
the existing motor rotor punching sheet easily generates large noise in the working process, and the integral operation effect of a motor is influenced.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and an integrated bracket for an adjustable photovoltaic power generation power engineering is provided, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a many air gaps low noise electric motor rotor towards piece to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a many air gaps low noise electric motor rotor towards piece, includes first towards piece, locating component and second towards the piece, connecting shaft groove has been seted up towards piece middle part to first towards piece, and first towards piece upper surface has seted up and has subtract heavy groove for it makes an uproar to fall the locating component sets up in the upper surface of first towards piece, and locating component includes protruding piece and micropore, and protruding piece surface has seted up the micropore, the coil groove has been seted up to the one end that vertical axis was kept away from to first towards piece, the second towards piece is connected in first towards piece upper end, and the indent has been seted up towards piece lower surface to the second towards piece, the second is provided with the top groove towards the piece outside.
Furthermore, the protruding sheet and the first punching sheet are of an integrated structure, and the micropores are distributed at equal intervals on the surface of the protruding sheet.
Furthermore, the structural size of the second punching sheet is consistent with that of the first punching sheet, and four weight reduction grooves are distributed on the circumference of the surface of the first punching sheet.
Furthermore, the second punching sheet is connected with the first punching sheet in a clamping mode through a pressing groove and a protruding sheet, and the structural size of an opening of the pressing groove is identical with that of the upper surface of the protruding sheet.
Furthermore, the top grooves are circumferentially distributed relative to the center position of the second punching sheet, and the top grooves are arc-shaped.
The utility model provides a many air gaps low noise electric motor rotor towards piece possesses following beneficial effect: according to the multi-air-gap low-noise motor rotor punching sheet, the noise generated in the working process of a machine body is absorbed through the combination of the noise reduction structure and the heat dissipation part, and heat generated after noise reduction is dissipated quickly;
the multi-air-gap low-noise motor rotor punching sheet is provided with micropores, the upper end face of the first punching sheet is provided with a raised sheet, the surface of the raised sheet is provided with a plurality of micropores, and the raised sheet can absorb generated noise in the rotating process, so that sound waves generate friction along with the penetration of holes and the action of a rotor to convert sound energy into heat energy, and further the noise generated by the rotor in the working process is reduced;
the multi-air-gap low-noise motor rotor punching sheet is provided with weight reduction grooves, four annular weight reduction grooves which are distributed equidistantly are formed in the surfaces of a first punching sheet and a second punching sheet which are consistent in structural size and used for reducing the weight of the whole punching sheet, so that the energy transmission loss caused by the weight of the punching sheet is reduced under the driving action, and correspondingly, heat accumulated inside the punching sheet in the moving process can be led out for rapid heat exchange through the arrangement of the weight reduction grooves, so that a certain heat dissipation effect is achieved;
this many air gaps low noise electric motor rotor is towards piece and is provided with the raised piece, when first towards piece and second towards the piece laminating mutually, fixes a position the assembly when being connected through this raised piece and the identical indent limit phase position laminating of structure size to both for the integral erection is stable, improves the roughness when connecting between a plurality of towards the piece, guarantees that whole device is stable at the rotation in-process.
Drawings
Fig. 1 is a schematic view of a connection structure of a first punching sheet and a second punching sheet of the present invention;
fig. 2 is a schematic structural diagram of the first punching sheet of the present invention;
fig. 3 is the utility model discloses second towards piece spatial structure sketch map.
In the figure: 1. a first punching sheet; 2. a connecting shaft groove; 3. a weight reduction groove; 4. a positioning assembly; 401. a raised piece; 402. micropores; 5. a coil slot; 6. a second punching sheet; 7. pressing a groove; 8. and (4) a top groove.
Detailed Description
As shown in fig. 1 and 2, a multi-air-gap low-noise motor rotor punching sheet comprises a first punching sheet 1, a positioning assembly 4 and a second punching sheet 6, wherein a connecting shaft groove 2 is formed in the middle of the first punching sheet 1, a lightening groove 3 is formed in the upper surface of the first punching sheet 1, the positioning assembly 4 for reducing noise is arranged on the upper surface of the first punching sheet 1, the positioning assembly 4 comprises a convex sheet 401 and micropores 402, the surface of the convex sheet 401 is provided with micropores 402, the convex sheet 401 and the first punching sheet 1 are of an integrated structure, the micropores 402 are distributed equidistantly on the surface of the convex sheet 401, the upper end surface of the first punching sheet 1 is provided with the convex sheet 401, the surface of the convex sheet 401 is provided with the micropores 402, the micropores can absorb generated noise in a rotating process, so that sound waves generate friction along with deep holes and the action of a rotor to convert sound energy into heat energy, and further reduce the noise generated in the working process of the rotor. The first punching sheet 1 is far away from one end of the vertical central axis and is provided with a coil groove 5.
As shown in fig. 1 and fig. 3, the second stamped sheet 6 is connected to the upper end of the first stamped sheet 1, a pressure groove 7 is formed in the lower surface of the second stamped sheet 6, the structural size of the second stamped sheet 6 is consistent with that of the first stamped sheet 1, four weight-reducing grooves 3 are distributed on the circumference of the surface of the first stamped sheet 1, four weight-reducing grooves 3 are formed in the surfaces of the first stamped sheet 1 and the second stamped sheet 6, which are consistent in structural size, and are distributed in an annular and equidistant manner, so that the weight of the whole stamped sheet is reduced, the energy transmission loss caused by the self weight is reduced in a driving action, and accordingly, heat accumulated in the punching sheet in the moving process can be led out for rapid heat exchange through the arrangement of the plurality of weight-reducing grooves 3, so that a certain heat dissipation effect is achieved. The second is towards piece 6 through indent 7, protruding piece 401 is connected with first 1 block towards the piece, and indent 7 open structure size is identical with protruding piece 401 upper surface structure size, when first towards piece 1 and second towards piece 6 laminating mutually, fix a position the assembly when being connected to both through this protruding piece 401 and the identical indent 7 of structure size limit laminating mutually, make the unit mount stable, improve the roughness when connecting between a plurality of towards the piece, guarantee that whole device is stable at the rotation in-process, make whole organism reduce the noise pollution that vibrates the production. The top groove 8 is formed in the outer side of the second punching sheet 6, the top groove 8 is circumferentially distributed about the center of the second punching sheet 6, the top groove 8 is in an arc shape, and the outer sides of the first punching sheet 1 and the second punching sheet 6 are respectively provided with a plurality of arc-shaped top grooves 8, so that the whole rotor punching sheet structure formed by the first punching sheet 1 and the second punching sheet 6 is buffered when being rubbed with air in the positive and negative rotation process, an assembly air gap is uniform and stable, and noise is reduced.
In conclusion, when the multi-air-gap low-noise motor rotor punching sheet is used, when the first punching sheet 1 and the second punching sheet 6 are attached to each other, positioning assembly is carried out when the first punching sheet 1 and the second punching sheet are connected to each other through limited attachment of the protruding sheet 401 and the pressing groove 7 which are identical in structural size, the whole installation is stable, the flatness of the multiple punching sheets in connection is improved, the whole device is guaranteed to be stable in the rotating process, noise pollution caused by vibration is reduced for the whole machine body, a protruding sheet 401 is arranged on the upper end face of the corresponding first punching sheet 1, a plurality of micropores 402 are formed in the surface of the protruding sheet 401, sound energy can be absorbed in the rotating process, sound energy is converted into heat energy along with friction generated by deep penetration of holes and the action of a rotor, the noise generated in the working process of the rotor is reduced, meanwhile, four annular lightening grooves 3 are formed in the surfaces of the first punching sheet 1 and the second punching sheet 6 which are identical in structural size, the first punching sheet and the second punching sheet 3, the whole punching sheet can be subjected to heat dissipation, the heat transmission loss caused by the self weight, the whole punching sheet can be quickly conducted, and the heat dissipation effect of the second punching sheet can be reduced, and the whole motor rotor can be stably conducted, and the heat dissipation effect of the second punching sheet 1 and the second punching sheet 6 can be achieved in the process, and the heat dissipation of the motor rotor, and the multi-gap low-gap punching sheet can be stably, and the multi-gap low-gap punching sheet.
Claims (5)
1. The utility model provides a many air gaps low noise motor rotor punching, includes first towards piece (1), locating component (4) and second towards piece (6), its characterized in that, connecting shaft groove (2) have been seted up to first towards piece (1) middle part, and first towards piece (1) upper surface has seted up subtracts heavy groove (3), is used for making an uproar fall locating component (4) set up in the upper surface of first towards piece (1), and locating component (4) including protruding piece (401) and micropore (402), and protruding piece (401) surface has seted up micropore (402), coil groove (5) have been seted up to the one end that vertical axis was kept away from to first towards piece (1), second towards piece (6) connect in first towards piece (1) upper end, and second towards piece (6) lower surface has seted up indent (7), the second towards piece (6) outside is provided with top groove (8).
2. The multi-air-gap low-noise motor rotor punching sheet as recited in claim 1, wherein the protruding sheet (401) and the first punching sheet (1) are of an integrated structure, and the micropores (402) are distributed at equal intervals with respect to the surface of the protruding sheet (401).
3. The rotor punching sheet of a multi-air-gap low-noise motor as claimed in claim 1, wherein the structural size of the second punching sheet (6) is consistent with that of the first punching sheet (1), and four weight-reducing slots (3) are distributed on the surface circumference of the first punching sheet (1).
4. The rotor punching sheet of a multi-air-gap low-noise motor as claimed in claim 1, wherein the second punching sheet (6) is connected with the first punching sheet (1) in a clamping manner through a pressing groove (7) and a protruding sheet (401), and the size of an opening structure of the pressing groove (7) is matched with the size of an upper surface structure of the protruding sheet (401).
5. The multi-air-gap low-noise motor rotor punching sheet as recited in claim 1, wherein the top grooves (8) are circumferentially distributed about the central position of the second punching sheet (6), and the top grooves (8) are arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221812534.0U CN217590404U (en) | 2022-07-13 | 2022-07-13 | Multi-air-gap low-noise motor rotor punching sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221812534.0U CN217590404U (en) | 2022-07-13 | 2022-07-13 | Multi-air-gap low-noise motor rotor punching sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217590404U true CN217590404U (en) | 2022-10-14 |
Family
ID=83535278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221812534.0U Active CN217590404U (en) | 2022-07-13 | 2022-07-13 | Multi-air-gap low-noise motor rotor punching sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217590404U (en) |
-
2022
- 2022-07-13 CN CN202221812534.0U patent/CN217590404U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 2 Zhongyuan, Pukou Street, Shengzhou City, Shaoxing City, Zhejiang Province, 312400 Patentee after: Zhejiang Jiayu Motor Co.,Ltd. Country or region after: China Address before: 312000 No. 2, Zhongyuan, Pukou Street District, Shengzhou, Shaoxing, Zhejiang Patentee before: Shengzhou Kaiyu Motor Co.,Ltd. Country or region before: China |