CN211151640U - Tooth yoke separation type motor stator core - Google Patents
Tooth yoke separation type motor stator core Download PDFInfo
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- CN211151640U CN211151640U CN201922336601.0U CN201922336601U CN211151640U CN 211151640 U CN211151640 U CN 211151640U CN 201922336601 U CN201922336601 U CN 201922336601U CN 211151640 U CN211151640 U CN 211151640U
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- split
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Abstract
The utility model provides a tooth yoke separation type motor stator core, including a stator core yoke portion and a predetermined number of stator core tooth portions that the phase separation set up, the mode that stator core yoke portion and stator core tooth portion set up separately makes stator core tooth portion can carry out the winding process alone, greatly improves winding efficiency, makes things convenient for the winding storage, makes the coiling machine equipment simplistic, is applicable to the industrialization automated production; also can dismantle the change alone with stator core tooth portion during the maintenance, need not that stator core tooth portion is whole to be scrapped, increase recycle. Meanwhile, the stator core yoke parts comprise a preset number of yoke part sections, the adjacent yoke part sections are linked by the hinge keys, the hinge keys play roles of connection and plastic deformation in the coiling process of the stator core yoke parts, the straight-strip-shaped stator core yoke parts can be wound into a circular ring shape at the beginning of manufacturing through the plastic deformation of the hinge keys, and the hinge keys also form tensile force after welding to ensure the concentricity and the strength of the stator core yoke parts.
Description
Technical Field
The utility model relates to a motor element technical field especially relates to a tooth yoke disconnect-type motor stator core.
Background
The existing motor stator iron core is generally formed by laminating a plurality of iron core pieces, each iron core piece tooth yoke is together, each tooth part is required to be wound when the motor is produced, and simultaneously, the requirement on the accuracy of a winding machine is high because the tooth parts of an inner rotor motor must face inwards radially. During the winding operation, the winding process needs to be performed according to a certain step and is wound back and forth along the tooth part, so that the winding speed is greatly limited. The conventional motor stator iron core is processed independently for each iron core during punching, and a tooth yoke connecting type steel sheet required by the iron core is punched on a rectangular or square iron sheet, so that material loss is serious, the utilization rate is low, and further the manufacturing cost of the iron core is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a waste material when processing the iron core that can significantly reduce reduces iron core manufacturing cost, can effectual improvement motor wire winding speed moreover, does benefit to the wire winding to simple structure makes convenient tooth yoke disconnect-type motor stator iron core.
A tooth yoke separation type motor stator core comprises a stator core yoke part and a predetermined number of stator core tooth parts which are arranged in a separation mode; the stator core yoke is integrally annular and comprises a preset number of yoke sections, adjacent yoke sections are linked by a hinge key, and the inner side surface of the stator core yoke corresponding to the hinge key comprises a plurality of tooth piece mounting grooves; one end of the stator core tooth part is arranged in the tooth piece mounting groove, and any tooth piece mounting groove corresponds to one stator core tooth part.
Preferably, the stator core yoke is formed by winding and laminating a predetermined number of straight yokes.
Preferably, the straight yoke part is a straight iron sheet punched in a straight line.
Preferably, a yoke positioning hole is arranged in the straight yoke at a predetermined distance, the yoke positioning hole is positioned and laminated to form a yoke positioning column, and any yoke positioning column corresponds to one yoke section.
Preferably, the stator core tooth part is formed by separately stamping and blanking T-shaped steel sheets in a laminated mode.
Preferably, the T-shaped steel sheet includes two positioning holes, and the positioning holes are used for positioning, laminating, and press-riveting and fastening the stator core tooth portion.
Preferably, the number of the stator core teeth is 8, 9, 12, 15 or 18.
Preferably, the stator core yoke portion includes only one butt weld.
Preferably, the yoke-toothed split-type motor stator core includes a winding portion separately wound through the stator core teeth and pressed into the tooth mounting groove by a tool holder.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a tooth yoke separation type motor stator core, including a stator core yoke portion and a predetermined number of stator core tooth portions that the phase separation set up, the mode that stator core yoke portion and stator core tooth portion set up separately makes stator core tooth portion can carry out the winding process alone, greatly improves winding efficiency, makes things convenient for the winding storage, makes the coiling machine equipment simplistic, is applicable to the industrialization automatic production; also can dismantle the change alone with stator core tooth portion during the maintenance, need not that stator core tooth portion is whole to be scrapped, increase recycle. Meanwhile, the stator core yoke part comprises a preset number of yoke part sections, the yoke part sections are adjacent to each other and are linked by a hinge key, the hinge key plays a role in connection and plastic deformation in the process of coiling and coiling the stator core yoke part, the straight-bar-shaped stator core yoke part can be coiled into a circular ring shape at the beginning of manufacturing through the plastic deformation of the hinge key, and the hinge key also forms tension after welding to ensure the concentricity and the strength of the stator core yoke part. And, stator core yoke portion is by predetermined quantity's straight strip yoke portion around rolling and stack and press and form, stator core tooth portion is for the T shaped steel piece stack of independent punching press blanking and forms for reduce punching waste material, reduced manufacturing cost, and stator core yoke portion only contains a butt weld, reduces welding process and makes things convenient for the motor setting shaping simultaneously, has greatly guaranteed the performance of motor.
Drawings
Fig. 1 is a schematic structural diagram of a tooth-yoke separated motor stator core provided by the present invention;
fig. 2 is a schematic view of a stator core yoke portion structure of a tooth yoke separation type motor stator core provided by the present invention;
fig. 3 is a schematic view of a stator core tooth structure of a tooth yoke separated motor stator core according to the present invention;
fig. 4 is a schematic structural view of a straight yoke portion of a tooth yoke separation type motor stator core provided by the present invention;
fig. 5 is a schematic diagram illustrating a laminated punching of a straight yoke portion of a tooth yoke split-type motor stator core according to the present invention;
fig. 6 is a schematic view of a T-shaped steel sheet of a tooth-yoke split motor stator core provided by the present invention;
Detailed Description
The embodiments described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, 2 and 3, a stator core of a split-tooth-yoke motor includes a stator core yoke portion 1 and a predetermined number of stator core tooth portions 2, which are separately provided.
Referring to fig. 4 and 5, the stator core yoke 1 is annular, and in this embodiment, is specifically annular. Stator core yoke portion 1 contains predetermined number's yoke portion section 10, and is adjacent adopt hinge key 8 to link between the yoke portion section 10, hinge key 8 corresponds stator core yoke portion 1's medial surface includes a plurality of tooth piece mounting grooves 7. One end of the stator core tooth part 2 is installed in the tooth piece installation groove 7, and any tooth piece installation groove 7 corresponds to one stator core tooth part 2.
Referring to fig. 6, preferably, the stator core yoke 1 is formed by winding and laminating a predetermined number of straight yokes 5. In this embodiment, the straight yoke portion 5 is a straight iron piece punched in a straight line, which has high strength and relatively low cost. A yoke positioning hole 6 is arranged in the preset distance of the straight yoke 5, the yoke positioning hole 6 is positioned and laminated to form a yoke positioning column, and any yoke positioning column corresponds to the yoke section 10. The manufacturing method is characterized in that hinge keys 8 are arranged in the preset distance of the straight yoke part 5, the laminated stator core yoke parts 1 comprise a preset number of yoke part sections 10, the adjacent yoke part sections 10 are connected through the hinge keys 8, the hinge keys 8 play a connecting role and a plastic deformation role in the coiling process of the stator core yoke parts 1, the straight strip-shaped stator core yoke parts 1 can be wound into a circular ring shape when the manufacturing is started through the plastic deformation of the hinge keys 8, and the hinge keys 8 also form tension force after welding to ensure the concentricity and the strength of the stator core yoke parts 1. When preparation stator core yoke portion 1, earlier with the straight strip iron sheet around rolling up and form the ring shape, fold a plurality of the straight strip iron sheets that form the ring shape around rolling up again and press, pile up through 6 location of yoke portion locating hole, the straight strip iron sheet around rolling up after the pile compresses tightly the riveting fastening through the plastic process, forms an only unified butt joint gap after the inside and outside alignment. Only one butt welding seam 3 is provided, so that the welding process is reduced, the setting and forming of the motor are facilitated, and the performance of the motor is greatly guaranteed. Meanwhile, a predetermined number of tooth piece mounting grooves 7 are formed on the inner side of the stator core yoke part 1 after lamination.
Preferably, the stator core tooth part 2 is formed by laminating separately punched and blanked T-shaped steel sheets 4. The T-shaped steel sheet 4 comprises two positioning holes 9, and the positioning holes 9 are used for positioning, laminating, pressing, riveting and fastening the stator core tooth part 2. When the stator core tooth part 2 is manufactured, the T-shaped steel sheets 4 are positioned and laminated through the two positioning holes 9 on the T-shaped steel sheets 4, and are riveted and fastened. And carrying out independent winding operation on the laminated T-shaped steel sheet 4, and pressing the laminated T-shaped steel sheet into the tooth piece mounting groove 7 through a tooling fixture after winding is finished to form a winding part. And the T-shaped steel sheet 4 after the winding is finished is clamped and fastened on the yoke part 1 of the stator core and is finally welded and formed, and the whole iron core is manufactured.
In order to adapt to different use environments, the number of stator core teeth 2 can be selected to be 8, 9, 12, 15 or 18.
The tooth yoke separation type motor stator core provided by the utility model has the advantages that the stator core tooth part 2 can be independently wound, the winding efficiency is greatly improved, the winding storage is convenient, the winding machine equipment is simplified, and the tooth yoke separation type motor stator core is suitable for industrial automatic production; also can dismantle the change alone with stator core tooth portion 2 during the maintenance, need not that stator core tooth portion 2 is whole to be scrapped, increase recycle. Simultaneously, set up hinge key 8 and link, this hinge key 8 plays connecting action and plastic deformation effect at stator core yoke portion 1 coiling system in-process, and this hinge key 8 also forms the pulling force after the welding and guarantees the concentricity and the intensity of stator core yoke portion 1 certainly. Moreover, the special manufacturing process of the stator core yoke part 1 and the stator core tooth part 2 reduces punching waste and manufacturing cost, the stator core yoke part 1 only comprises one butt weld 3, welding process is reduced, setting and forming of the motor are facilitated, and performance of the motor is greatly guaranteed.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (9)
1. A tooth yoke separation type motor stator core is characterized in that: the stator core comprises a stator core yoke part and a predetermined number of stator core tooth parts which are arranged in a separated mode;
the stator core yoke is integrally annular and comprises a preset number of yoke sections, adjacent yoke sections are linked by a hinge key, and the inner side surface of the stator core yoke corresponding to the hinge key comprises a plurality of tooth piece mounting grooves;
one end of the stator core tooth part is arranged in the tooth piece mounting groove, and any tooth piece mounting groove corresponds to one stator core tooth part.
2. The tooth yoke separation type motor stator core according to claim 1, wherein the stator core yoke is formed by winding and laminating a predetermined number of straight yoke portions.
3. The tooth yoke split motor stator core according to claim 2, wherein the straight yoke portion is a straight punched straight iron piece.
4. The tooth yoke split type motor stator core according to claim 2, wherein a yoke positioning hole is provided in the straight yoke portion at a predetermined distance, the yoke positioning hole is laminated to form a yoke positioning post, and any one of the yoke positioning posts corresponds to one of the yoke segments.
5. The stator core for a split-tooth motor according to claim 1, wherein the teeth of the stator core are formed by laminating separately punched and blanked T-shaped steel sheets.
6. The stator core for a split-tooth motor according to claim 5, wherein the T-shaped steel plate includes two positioning holes for positioning and laminating and clinching the teeth of the stator core.
7. The yoke-separated motor stator core according to claim 1, wherein the number of the stator core teeth is selected from 8, 9, 12, 15 and 18.
8. The tooth yoke split motor stator core according to claim 1, wherein the stator core yoke portion includes only one butt weld.
9. The split-tooth motor stator core according to claim 1, wherein the split-tooth motor stator core comprises a winding portion separately wound through the stator core teeth and pressed into the tooth piece installation groove by a jig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922336601.0U CN211151640U (en) | 2019-12-21 | 2019-12-21 | Tooth yoke separation type motor stator core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922336601.0U CN211151640U (en) | 2019-12-21 | 2019-12-21 | Tooth yoke separation type motor stator core |
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| Publication Number | Publication Date |
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| CN211151640U true CN211151640U (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922336601.0U Active CN211151640U (en) | 2019-12-21 | 2019-12-21 | Tooth yoke separation type motor stator core |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112600320A (en) * | 2020-11-27 | 2021-04-02 | 超音速智能技术(杭州)有限公司 | Stator punching sheet of small motor |
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2019
- 2019-12-21 CN CN201922336601.0U patent/CN211151640U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112600320A (en) * | 2020-11-27 | 2021-04-02 | 超音速智能技术(杭州)有限公司 | Stator punching sheet of small motor |
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