CN203251150U - Stator punching sheet, stator iron core and motor - Google Patents
Stator punching sheet, stator iron core and motor Download PDFInfo
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- CN203251150U CN203251150U CN 201320214762 CN201320214762U CN203251150U CN 203251150 U CN203251150 U CN 203251150U CN 201320214762 CN201320214762 CN 201320214762 CN 201320214762 U CN201320214762 U CN 201320214762U CN 203251150 U CN203251150 U CN 203251150U
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- stator punching
- stator
- groove
- side cut
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Abstract
The utility model provides a stator punching sheet, a stator iron core and a motor. The stator punching sheet is provided with a yoke portion and a plurality of teeth extending from the yoke portion to the center of the stator punching sheet; slots are formed between every two adjacent teeth; the stator punching sheet is provided with a hollow inner round hole; the excircle diameter or opposite edge spacing or cutting edge spacing is in a range of 70 mm to 95 mm; the diameter of the inner round hole is in a range of 38 mm to 56 mm; the depth of the slots in a range of 7 mm to 16 mm; and two side edges of each tooth are parallel to each other, and the distance between the two side edges is in a range of 3 mm to 8 mm. A plurality of stator punching sheets are stacked so as to form the stator iron core. A stator of the motor is provide with the above the stator iron core. According to the motor of the utility model, a centralized winding can be adopted; the production efficiency of the coil winding can be high, and phenomena such as wire fracture and poor turn-to-turn insulation of the winding can be avoided, and the stability of motor operation can be improved.
Description
Technical field
The utility model relates to machine field, especially relates to a kind of stator punching, the stator core that is overrided to form by this stator punching and the motor with this stator core.
Background technology
Motor is widely used in the various electric equipments of industrial production and life, referring to Fig. 1, the end cap 11,12 that existing motor has housing 10 and is positioned at housing 10 two ends, housing 10 and end cap 11,12 surround a cavity, stator 15 and rotor 18 are installed in the cavity, and stator 15 has stator core 16 and is embedded into coil 17 on stator core 16.Rotor 18 is installed in the stator 15, and can be with respect to stator 15 rotations.Armature spindle 19 is installed in the rotor 18, and with rotor 18 interference fit, armature spindle 19 rotates under the drive of rotor 18, thus outside outputting power.
Being stamped to form by silicon steel sheet of every a slice stator punching 20, referring to Fig. 2, stator punching 20 is for having the square of four rounded corners, it has the peripheral yoke section 21 that is positioned at, yoke section 21 is extended with a plurality of teeth 27 to the center position of stator punching 20, form groove 28 between two adjacent teeth 27, so the quantity of groove 28 equates in the quantity of tooth 27.
The outward flange of stator punching 20 comprises two pairs of side cuts, and every a pair of side cut comprises two parallel side cuts, as cut edge 22 with cut edge 23 parallelly, it consists of a pair of side cut, cut edge 24 with cut edge 25 parallelly, it consists of another to side cut.Arbitrary equal to the distance between two side cuts of cutting edge in two pairs of side cuts, its distance is D1.And, in tooth 27, having circular hole 26 in the hollow, the diameter of interior circular hole 26 is φ A.
Because in the existing stator punching 20, each groove 28 is the slot groove of pyriform, and the coil windings that is embedded on the stator core is distributed winding, can only adopt coil-inserting method when making coil windings, there is shortcomings in this, and is more backward such as technique, and the operations such as coiling, rule, colligation location, shaping, dipping lacquer need to consume a large amount of labours, and the automated production degree is low, causes the production efficiency of motor low.Secondly, winding coil length need increase, and exposes the stator core Partial Height and is difficult to control, causes the waste of material.At last, occur easily the phenomenons such as broken string, the turn-to-turn insulation of coil is bad in the rule process, affect the work of motor.
Summary of the invention
Main purpose of the present utility model provides a kind of higher stator punching of coil windings production efficiency that makes motor.
Another purpose of the present utility model provides a kind of coil of avoiding twining and broken string, the bad stator core of turn-to-turn insulation occur.
An again purpose of the present utility model provides the higher motor of a kind of production efficiency.
For realizing main purpose of the present utility model, a plurality of teeth that the stator punching that the utility model provides has yoke section and the center position to stator punching extends from yoke section, form groove between two adjacent teeth, and stator punching has circular hole in the hollow, wherein, the outside diameter of stator punching or opposite side spacing or side cut spacing are between 70 millimeters to 95 millimeters, interior Circularhole diameter is between 38 millimeters to 56 millimeters, the degree of depth of groove is between 7 millimeters to 16 millimeters, and two sides of each tooth are parallel to each other, and the distance between two sides is between 3 millimeters to 8 millimeters.
By such scheme as seen, two sides of each tooth of stator punching are parallel to each other, and two the distance between the side is less, each groove roughly is trapezoidal like this, and distance is larger between two sides of each groove, and the winding on the coiling stator core can adopt centralized winding, and the automaticity of coil winding is high, improve the production efficiency of motor, and can avoid coil broken string, the bad phenomenon of turn-to-turn insulation to occur.
A preferred scheme is, the outward flange of stator punching comprises two pairs of side cuts, and every a pair of side cut comprises two two side cuts that are parallel to each other, and the side cut spacing is the distance between a pair of side cut.
This shows that the outward flange of stator punching is made of four arcs and four side cuts, can satisfy difform electrical equipment and use.
Further scheme is, the width of rebate of each groove is between 1.4 millimeters to 2.5 millimeters, and the notch height of each groove is between 0.5 millimeter to 2 millimeters.
As seen, the width of rebate of each groove, notch height all in certain number range, can guarantee that notch shape can be not excessive or too small, are conducive to the coiling of coil.
For realizing another purpose of the present utility model, the stator core that the utility model provides is overrided to form by the identical stator punching of multi-disc shape, a plurality of teeth that each stator punching has yoke section and the center position to stator punching extends from yoke section, form groove between two adjacent teeth, and stator punching has circular hole in the hollow, wherein, the outside diameter of stator punching or opposite side spacing or side cut spacing are between 70 millimeters to 95 millimeters, interior Circularhole diameter is between 38 millimeters to 56 millimeters, the degree of depth of groove is between 7 millimeters to 16 millimeters, and two sides of each tooth are parallel to each other, and the distance between two sides is between 3 millimeters to 8 millimeters.
By such scheme as seen, two sides of tooth of making the stator punching of stator core are parallel to each other, each groove is the shape that roughly is trapezoidal, can adopt the centralized winding coil of automation, in the efficient that coil winding is provided simultaneously, can also effectively avoid the phenomenons such as breaking, turn-to-turn insulation is bad appears in coil, guarantee the quality of coil.
For realizing an again purpose of the present utility model, the motor that the utility model provides comprises stator and rotor, stator comprises stator core and is embedded in coil on the stator core, stator core is overrided to form by the identical stator punching of multi-disc shape, a plurality of teeth that each stator punching has yoke section and the center position to stator punching extends from yoke section, form groove between two adjacent teeth, and stator punching has circular hole in the hollow, wherein, the outside diameter of stator punching or opposite side spacing or side cut spacing are between 70 millimeters to 95 millimeters, interior Circularhole diameter is between 38 millimeters to 56 millimeters, the degree of depth of groove is between 7 millimeters to 16 millimeters, and two sides of each tooth are parallel to each other, and the distance between two sides is between 3 millimeters to 8 millimeters.
This shows, two sides of each tooth of stator punching of motor are parallel to each other, formed groove is not the groove of pyriform in the punching, but roughly be trapezoidal, can adopt centralized winding when making motor, improve the production efficiency of stator, also improve the production efficiency of motor, and reduce the production cost of motor.
Description of drawings
Fig. 1 be existing motor partly cut open figure.
Fig. 2 is the structure chart of existing stator punching.
Fig. 3 is the structure chart of the utility model stator punching embodiment.
Fig. 4 is the partial enlarged drawing of the utility model stator punching embodiment.
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
The end cap that the motor of present embodiment has housing and is positioned at the housing both sides, housing and end cap surround a cavity, and stator and rotor are installed in the cavity, and stator has stator core and is wound on coil windings on the stator core, rotor is installed in the stator, and can rotate with respect to stator.Armature spindle is installed in the rotor, and with the rotor interference fit, armature spindle rotates under the drive of rotor, and outside outputting power.
Stator core is overrided to form by the identical stator punching of multi-disc shape, and every a slice stator punching is stamped to form by silicon steel sheet.Referring to Fig. 3, the outward flange of stator punching 30 is cut edge 41,42,43,44 and four to cut edge by four and 45,46,47,48 is consisted of, and it is 41 relative with side cut 43 and be arranged in parallel wherein to cut edge, and it consists of a pair of side cut, cut edge 42 with cut edge 44 relatively and be arranged in parallel, it consists of another to side cut.In the present embodiment, arbitrary to cutting edge, as cut edge 41 with side cut 43 between distance B 2, the spacing of namely cutting edge is between 70 millimeters to 95 millimeters, preferably, is 80 millimeters.
Between two adjacent side cuts one section circular arc is set all, four arcs 45,46,47,48 is the circular arc on the same circle, and should the circle center of circle in stator punching in the heart.Cut edge 41 and circular arc 48 between be provided with a groove 32, the location of multi-disc stator punching 30 when being convenient to that multi-disc stator punching 30 laminated into stator core.
And, offering the interior circular hole 38 of hollow at the middle part of stator punching 30, the diameter phi B of interior circular hole 38 is between 38 millimeters to 56 millimeters, preferably, is 46.5 millimeters.
A plurality of teeth 33 that stator punching has yoke section 31 and extends to stator punching 30 center positions from yoke section 31 form groove 34 between two adjacent teeth 33, so the quantity of groove 34 equate with the quantity of tooth 33.In the present embodiment, the quantity of tooth 33 is eight, and the quantity of groove 34 also is eight.During practical application, the needs that can use according to reality, the quantity of tooth 33 is set to other the numerical value such as four, 12 or 24.
The tooth root of each tooth 33 comprises that two relative sides 35,36, two sides 35,36 are parallel to each other, and the distance B between the side 35,36 3 is between 3 millimeters to 8 millimeters, preferably, is 7 millimeters.
Because the opposite side 35,36 of each tooth 33 is parallel to each other, so each groove 34 roughly is trapezoidal, and as shown in Figure 4, the depth D 4 of each groove 34 is between 7 millimeters to 16 millimeters, preferably, is 12 millimeters.And the notch height D5 of each groove 34 is between 0.5 millimeter to 2 millimeters, preferably, is 1.2 millimeters.In addition, the width of rebate D6 of each groove 34 is between 1.4 millimeters to 2.5 millimeters, preferably, is 2 millimeters.
The coiling that is wound on the stator core can be adopted centralized winding, can use like this winding mode of automation to wind the line, improve the coiling efficient of coil, also improve the production efficiency of motor, and can effectively avoid coil after the coiling phenomenons such as broken string, turn-to-turn insulation be bad to occur, guarantee the safe operation of motor.
Certainly, above-mentioned execution mode only be the application preferred embodiment, during practical application more change can be arranged, for example, the outward flange of stator punching is arranged to positive circle, like this, the diameter of stator punching, namely outer peripheral diameter is between 70 millimeters to 95 millimeters.Perhaps, the outward flange of stator punching is arranged to square, like this, the a pair of relative limit of square is opposite side, each is the opposite side spacing to the distance between the opposite side, and the opposite side spacing is between 70 millimeters to 95 millimeters, and such change also can realize the purpose of this utility model.
It is emphasized that at last; the utility model is not limited to above-mentioned execution mode, changes also should be included in the protection range of the utility model claim in the size range of setting such as the width of rebate of the distance between each tooth dual-side, each groove, notch height etc.
Claims (10)
1. stator punching comprises
Yoke section and a plurality of teeth that the center position to described stator punching extends from described yoke section form groove between two adjacent teeth, and described stator punching have circular hole in the hollow;
It is characterized in that:
The outside diameter of described stator punching or opposite side spacing or side cut spacing are between 70 millimeters to 95 millimeters, described interior Circularhole diameter is between 38 millimeters to 56 millimeters, the degree of depth of described groove is between 7 millimeters to 16 millimeters, and two sides of each described tooth are parallel to each other, and the distance between two described sides is between 3 millimeters to 8 millimeters.
2. stator punching according to claim 1 is characterized in that:
The outward flange of described stator punching comprises two pairs of side cuts, and every a pair of side cut comprises two two side cuts that are parallel to each other, and described side cut spacing is the distance between a pair of described side cut.
3. stator punching according to claim 1 and 2 is characterized in that:
The width of rebate of each described groove is between 1.4 millimeters to 2.5 millimeters.
4. stator punching according to claim 1 and 2 is characterized in that:
The notch height of each described groove is between 0.5 millimeter to 2 millimeters.
5. stator core, the stator punching identical by the multi-disc shape is overrided to form, a plurality of teeth that each described stator punching has yoke section and the center position to described stator punching extends from described yoke section form groove between two adjacent teeth, and described stator punching has circular hole in the hollow;
It is characterized in that:
The outside diameter of described stator punching or opposite side spacing or side cut spacing are between 70 millimeters to 95 millimeters, described interior Circularhole diameter is between 38 millimeters to 56 millimeters, the degree of depth of described groove is between 7 millimeters to 16 millimeters, and two sides of each described tooth are parallel to each other, and the distance between two described sides is between 3 millimeters to 8 millimeters.
6. stator core according to claim 5 is characterized in that:
The outward flange of described stator punching comprises two pairs of side cuts, and every a pair of side cut comprises two two side cuts that are parallel to each other, and described side cut spacing is the distance between a pair of described side cut.
7. it is characterized in that according to claim 5 or 6 described stator cores:
The width of rebate of each described groove is between 1.4 millimeters to 2.5 millimeters, and the notch height of each described groove is between 0.5 millimeter to 2 millimeters.
8. motor comprises
Stator and rotor, described stator has stator core and is embedded in coil on the described stator core, described stator core is overrided to form by the identical stator punching of multi-disc shape, a plurality of teeth that each described stator punching has yoke section and the center position to described stator punching extends from described yoke section, form groove between two adjacent teeth, and described stator punching has circular hole in the hollow;
It is characterized in that:
The outside diameter of described stator punching or opposite side spacing or side cut spacing are between 70 millimeters to 95 millimeters, described interior Circularhole diameter is between 38 millimeters to 56 millimeters, the degree of depth of described groove is between 7 millimeters to 16 millimeters, and two sides of each described tooth are parallel to each other, and the distance between two described sides is between 3 millimeters to 8 millimeters.
9. motor according to claim 8 is characterized in that:
The outward flange of described stator punching comprises two pairs of side cuts, and every a pair of side cut comprises two two side cuts that are parallel to each other, and described side cut spacing is the distance between a pair of described side cut.
10. it is characterized in that according to claim 8 or 9 described motors:
The width of rebate of each described groove is between 1.4 millimeters to 2.5 millimeters, and the notch height of each described groove is between 0.5 millimeter to 2 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320214762 CN203251150U (en) | 2013-04-24 | 2013-04-24 | Stator punching sheet, stator iron core and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320214762 CN203251150U (en) | 2013-04-24 | 2013-04-24 | Stator punching sheet, stator iron core and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203251150U true CN203251150U (en) | 2013-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320214762 Expired - Fee Related CN203251150U (en) | 2013-04-24 | 2013-04-24 | Stator punching sheet, stator iron core and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203251150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114514676A (en) * | 2019-10-11 | 2022-05-17 | 阿莫泰克有限公司 | Stator for motor and motor comprising same |
-
2013
- 2013-04-24 CN CN 201320214762 patent/CN203251150U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114514676A (en) * | 2019-10-11 | 2022-05-17 | 阿莫泰克有限公司 | Stator for motor and motor comprising same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |