CN209767253U - Stator core structure - Google Patents
Stator core structure Download PDFInfo
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- CN209767253U CN209767253U CN201920661758.8U CN201920661758U CN209767253U CN 209767253 U CN209767253 U CN 209767253U CN 201920661758 U CN201920661758 U CN 201920661758U CN 209767253 U CN209767253 U CN 209767253U
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- stator
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- stator core
- hole groove
- punching sheet
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Abstract
The utility model relates to a stator core's structure, adopt the magnetic materials effect of general performance to go on the design of fretwork towards the piece of tooth, because the stator of general performance is better towards piece ductility, can not open the dashpot and can process into heliciform stacked structure with stator towards the piece coiling through dedicated stator core winder, and make the fretwork hole groove of tooth align to form with the equidirectional hole groove of axle, can fill the magnetic materials of higher performance in the hole groove, thereby effectually solved and can't adopt high performance magnetic materials to carry out the problem of coiling processing at present, the material has both been practiced thrift, and the cost is reduced, the performance of the promotion motor still can be by a wide margin.
Description
Technical Field
The utility model relates to the field of electric machines, specifically a stator core's structure.
Background
At present, the motor stator generally adopts integral punching sheets, then the punching sheets are stacked, because the utilization rate of the iron core material of the stator punching sheet structure is low, strip-shaped stator punching sheets are arranged for saving materials, then the strip-shaped stator punching sheets are wound and bent into a ring shape by adopting special equipment, and then the ring-shaped punching sheets are spirally stacked to form a stator iron core; however, the stator core added in this way has certain limitations, and because the stator material with better performance has higher hardness and poorer ductility, after the stator punching sheet is bent by adopting a winding process, the yoke part of the punching sheet is easy to crack or even completely crack, so that the stator core cannot be normally used; the material with better ductility is poor in performance, the magnetic conductive material with the highest performance in the winding process is Bao steel B35A300 silicon steel sheet, if the silicon steel sheet marked as Bao steel B35A210 cannot be produced by the process, in addition, the alloy magnetic conductive material with higher magnetic permeability and lower iron loss cannot be processed into the stator punching sheet by using a traditional punch press due to the mechanical characteristics of the alloy magnetic conductive material, and cannot be processed by adopting any form of winding process for the alloy material, so that the performance of the motor cannot be improved by the traditional stator punching sheet structure and the winding process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stator core's structure, adopt the magnetic material effect of ordinary performance to go on towards the piece material, the design of fretwork is carried out towards the tooth portion towards the piece, because the stator towards the piece ductility of ordinary performance magnetic material is better, the dedicated coiler of accessible is processed into heliciform stacked structure stator core parent with stator towards the piece coiling, and make the fretwork hole groove of tooth portion align to form with the equidirectional hole groove of axle, can fill the magnetic material of higher performance in the hole inslot, thereby the effectual current unable high performance magnetic material (such as alloy magnetic material) of adopting of having solved carries out the problem of coiling processing, high performance magnetic material has both been practiced thrift, and the cost is reduced, still performance of the lifting motor by a wide margin.
The following technical scheme is adopted for achieving the purpose:
The utility model provides a stator core's structure, includes long banding stator punching sheet body, and long banding stator punching sheet includes strip yoke portion and follows the perpendicular evenly distributed's of strip yoke portion tooth portion in strip yoke portion one side, and the free end of tooth portion has tooth boots portion, its characterized in that: the tooth portion seted up the hole groove, rectangular form stator punching sheet body processes into the range upon range of stator core matrix of heliciform through special coiling equipment, and the hole groove of each upper and lower layer punching sheet aligns each other, forms the annular equipartition of a plurality of and has hollow out construction's axial hole groove at the tooth portion.
The stator punching sheet body is formed by punching a magnetic conductive material with better extension and common performance.
The processing method of the stator core comprises the steps that firstly, a long-strip-shaped stator punching sheet with a tooth part provided with a hole groove is processed into a spiral structure by a special winding machine, the hole grooves between the upper layer and the lower layer of the spiral stator punching sheet are mutually aligned, then the stator punching sheet with the spiral structure is compacted by a special die and shaped into a standard circular stator core, axial hole grooves are formed in the tooth part of the stator core due to the fact that the upper layer and the lower layer of the hole grooves are aligned, and the axial hole grooves are arranged in a ring shape; and each axial hole groove can be filled with a higher-performance magnetic conductive material (such as an alloy magnetic conductive material).
The utility model discloses a properly improve stator punching structure, changed the defect that can't process high rigidity, high performance magnetic material iron core through traditional coiling technology, make the stator core parent that tooth portion has the fretwork hole groove through the magnetic material of ordinary performance, because the magnetic material ductility of ordinary performance is better, relatively easy bending, can process the stator punching of strip into the stator core parent that the heliciform is range upon range of through stator punching coiler, and the hole groove of tooth portion forms a plurality of axial hole grooves along cyclic annular arrangement after range upon range of, can fill higher performance magnetic material (such as alloy magnetic material) in the axial hole groove, because motor core iron loss is mainly in tooth portion, the utility model discloses sized iron core tooth portion has seted up axial hole groove and can fill higher performance magnetic material (such as alloy magnetic material) in the hole groove, can solve most because the iron loss problem that ordinary performance magnetic material produced, the utility model discloses a coiling technology processing stator core, this kind of process efficiency is high, save material to can fill the magnetic material of higher performance (for example alloy magnetic material) in the axial hole inslot of stator core tooth portion, this kind of coiling and inlay the method of mutually supporting and have both reduced high performance magnetic material's waste, practiced thrift the cost, reduction stator core's iron loss that can also be by a wide margin, the performance of great promotion motor.
Drawings
Fig. 1 is a schematic structural view of a strip-shaped stator punching sheet of the present invention;
Fig. 2 is a schematic view of the stator core structure of the strip-shaped stator punching sheet after being wound;
Fig. 3 is the utility model discloses the stator core lateral part schematic structure behind strip stator punching coiling.
Detailed Description
As shown in fig. 1-3, a structure of a stator core includes a long-strip-shaped stator punching body 1, the stator punching body 1 is formed by punching a magnetic conductive material with good extension and ordinary performance, the long-strip-shaped stator punching includes a strip yoke portion 11 and a tooth portion 12 vertically and uniformly distributed along the strip yoke portion on one side of the strip yoke portion, a free end of the tooth portion 12 has a tooth shoe portion 15, the tooth portion 12 is provided with a hole groove 13, the long-strip-shaped stator punching body (as shown in fig. 1) is spirally bent to form an annular core matrix, and the hole grooves of each upper and lower punching sheets are aligned with each other to form a plurality of annularly arranged axial hole grooves.
The processing method of the stator core comprises the following steps: firstly, processing a long-strip stator punching sheet with a tooth part provided with a hole groove into a stator core matrix with a spiral laminated structure by adopting a special stator punching sheet winding machine, aligning the hole grooves between an upper layer and a lower layer of the spiral stator punching sheet, compacting and shaping the stator punching sheet with the spiral structure into an annular stator core matrix by using special equipment and a mould, and forming axial hole grooves in the tooth part of the stator core due to the alignment of the hole grooves of the upper layer and the lower layer, wherein the axial hole grooves are arranged annularly; then, each axial hole groove is filled with high-performance magnetic conductive material (such as alloy magnetic conductive material).
the utility model discloses a tooth portion to the stator punching carries out the fretwork design, has changed that traditional handicraft can't be through the defect of coiling technology processing high rigidity, high performance magnetic material iron core, utilizes the magnetic material of ordinary performance to have better ductility and plasticity, makes the iron core parent by the magnetic material of ordinary performance, packs the magnetic material of higher performance as main magnetic path in tooth portion hole groove in the parent again to reach the dual purpose that improves motor performance and reduce high performance magnetic material. Because the magnetic material with common performance has better ductility and is easy to bend, the strip-shaped stator punching sheet can be wound into a stator core matrix with a spiral laminated structure by a stator punching sheet winding machine, the hole grooves of the tooth part form a plurality of axial hole grooves which are arranged in an annular way after being laminated, and the axial hole grooves can be filled with magnetic materials with higher performance, such as a Bao steel B35A210 silicon steel sheet, an alloy magnetic material or a ferrite magnetic material, and the like, because the iron loss of the iron core during the working of the motor is mainly concentrated on the tooth part, the axial hole grooves formed on the shaped iron core tooth part of the utility model can be filled with the magnetic materials with higher performance, thus the problem that most of the iron loss generated by the magnetic materials with common performance is larger can be well solved, the utility model adopts the winding process to process the stator core, and one stator punching sheet with long strip shape can wind, the process has high efficiency, saves materials, fills higher-performance magnetic materials (such as alloy magnetic materials) at the axial hole slot of the tooth part of the stator core, makes up the problem of larger iron loss of the common-performance magnetic materials, reduces the waste of the high-performance magnetic materials, saves the cost, can greatly reduce the iron loss of the stator core and greatly improves the performance of the motor by the method of mutual matching of winding and embedding.
Claims (2)
1. The utility model provides a stator core's structure, includes long banding stator punching sheet body, and long banding stator punching sheet includes strip yoke portion and follows the perpendicular evenly distributed's of strip yoke portion tooth portion in strip yoke portion one side, and the free end of tooth portion has tooth boots portion, its characterized in that: the tooth portion seted up the hole groove, long banding stator punching sheet body is processed into the stator core matrix of heliciform stacked structure through stator punching sheet coiler, and the hole groove of each upper and lower lamination aligns each other, forms the annular equipartition of a plurality of and has hollow out construction's axial hole groove at tooth portion.
2. A stator core structure according to claim 1, wherein: the stator punching sheet body is formed by punching a common magnetic conduction material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920661758.8U CN209767253U (en) | 2019-05-09 | 2019-05-09 | Stator core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920661758.8U CN209767253U (en) | 2019-05-09 | 2019-05-09 | Stator core structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209767253U true CN209767253U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920661758.8U Active CN209767253U (en) | 2019-05-09 | 2019-05-09 | Stator core structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN209767253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165800A (en) * | 2019-05-09 | 2019-08-23 | 台州市路桥鼎新阳光机电科技有限公司 | A kind of processing method of the structure and its stator core of stator core |
-
2019
- 2019-05-09 CN CN201920661758.8U patent/CN209767253U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165800A (en) * | 2019-05-09 | 2019-08-23 | 台州市路桥鼎新阳光机电科技有限公司 | A kind of processing method of the structure and its stator core of stator core |
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