CN203554100U - Servo motor rotor punching sheet for spinning, and servo motor - Google Patents
Servo motor rotor punching sheet for spinning, and servo motor Download PDFInfo
- Publication number
- CN203554100U CN203554100U CN201320708512.4U CN201320708512U CN203554100U CN 203554100 U CN203554100 U CN 203554100U CN 201320708512 U CN201320708512 U CN 201320708512U CN 203554100 U CN203554100 U CN 203554100U
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- China
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- main body
- punching
- servo motor
- groove group
- rotor
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- Manufacture Of Motors, Generators (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model provides a servo motor rotor punching sheet for spinning, and a servo motor. The servo motor rotor punching sheet for spinning comprises an annular punching sheet body; the punching sheet body is provided with a plurality of steps for positioning magnetic steel; the plurality of steps are uniformly distributed on the outer circumference of the punching sheet body; and the end surface of and each of the steps is provided with a notch. The utility model also provides a servo motor with the rotor punching sheet. In the utility model, since the end surface of the step for positioning the magnetic steel is provided with the notch, the magnetic flux leakage between adjacent magnetic steel can be reduced, and the efficiency of the servo motor is ensured.
Description
Technical field
The utility model relates to servomotor field, more particularly, relates to servo motor rotor punching and servomotor for a kind of weaving.
Background technology
Along with constantly advancing of society and improving constantly of scientific and technological level, electromechanics trade development, the market demand also constantly changes.The new extension and connotation of motor product is constantly expanded, and has been widely used in the every field such as the energy, traffic, oil, chemical industry, metallurgy, mine, building.And current motor from universal progressively to tailored version future development, broken same class motor in the past simultaneously for the situation of heterogeneity, different occasions.
Rotor punching is the key components and parts of servomotor, and its material, inner circle size, excircle dimension, flute profile size etc. have direct impact to the energy-saving efficiency of servomotor.
In the rotor of current servo motor, magnet steel is directly pasted on rotor punching surface, relies on the small stair location in rotor punching periphery between two blocks of magnet steel, and rotor punching is assembled on axle after gluing magnet steel.Yet, the rotor structure of the servomotor of said structure, the step in rotor punching periphery can bring very a large amount of leakage fields again in location, and this will cause the Efficiency Decreasing of motor.In addition, rotor punching is on packing axle into time, because the active force between magnet steel is very large, is difficult to guarantee between two blocks of magnet steel of identical polar 7.5 ° or 2.5 ° of alternate angles.
Utility model content
The technical problems to be solved in the utility model is, causes the problem of rotor leakage for above-mentioned rotor punching, and servo motor rotor punching and servomotor for a kind of weaving is provided.
The technical scheme that the utility model solves the problems of the technologies described above is, a kind of weaving servo motor rotor punching is provided, comprise that the punching main body of annular and described punching main body are provided with a plurality of steps that are used to magnet steel location, described a plurality of steps are evenly distributed on the end face of step on the excircle of punching main body and described in each and offer recess.
In weaving described in the utility model with in servo motor rotor punching, described punching main body be provided with the first groove group and the second groove group interior week, and described the first groove group and the second groove group comprise respectively two centrosymmetric grooves; Angle between the line of the line of two grooves of described the first groove group and two grooves of the second groove group is 82.5 °.
In weaving described in the utility model, with in servo motor rotor punching, the periphery of described punching main body is provided with even number step, and the angle between described step is identical.
In weaving described in the utility model, with in servo motor rotor punching, the recess on described step is circular arc.
In weaving described in the utility model, with in servo motor rotor punching, the center of circle that is provided with a plurality of equally distributed through holes and the plurality of through hole between the interior week of described punching main body and periphery is positioned on same circumference.
The utility model also provides a kind of servomotor, comprise that rotor and this rotor have a plurality of rotor punchings, each rotor punching comprises that the punching main body of annular and described punching main body are provided with a plurality of steps that are used to magnet steel location, and described a plurality of steps are evenly distributed on the end face of step on the excircle of punching main body and described in each and offer recess.
In servomotor described in the utility model, described punching main body be provided with the first groove group and the second groove group interior week, and described the first groove group and the second groove group comprise respectively two centrosymmetric grooves; Angle between the line of the line of two grooves of described the first groove group and two grooves of the second groove group is 82.5 °.
In servomotor described in the utility model, the periphery of described punching main body is provided with even number step, and the angle between described step is identical.
In servomotor described in the utility model, the recess on described step is circular arc.
In servomotor described in the utility model, the center of circle that is provided with a plurality of equally distributed through holes and the plurality of through hole between the interior week of described punching main body and periphery is positioned on same circumference.
Weaving of the present utility model has following technique effect with servo motor rotor punching and servomotor: the end face by the step in positioning magnetic steel is offered recess, can reduce the leakage field between adjacent magnet steel, guarantees the efficiency of servomotor.In addition, the utility model, also by the groove that two groups of set angles are set in interior week of punching main body, can guarantee the alternate angle between identical polar magnet steel on two rotor punchings.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of servo motor rotor punching embodiment for the utility model weaving.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, be the schematic diagram of servo motor rotor punching embodiment for the utility model weaving.The servo motor rotor punching of the present embodiment comprises that the punching main body 10 of annular and this punching main body 10 are provided with a plurality of steps 11 that are used to magnet steel location, and the plurality of step 11 is evenly distributed on the excircle of punching main body 10 and the end face of each step 11 is provided with recess 111.While stating in the use rotor punching assembling rotor, every a slice magnet steel is attached between two adjacent steps 11, by two adjacent steps 11, realizes the assembling and positioning of magnet steel, and usings the separation of step 11 as adjacent magnet steel.
For ease of processing, above-mentioned step 11 can with punching main body 10 one.And the recess 111 of the end face of step 11 (i.e. the face in the center of circle of punching main body dorsad 10) can reduce the leakage field between the magnet steel of step 11 both sides, thereby improve the efficiency of servomotor.
In order to guarantee when rotor punching is assembled to rotating shaft, in different rotor punching, two of identical polar magnet steel alternate angles are 7.5 ° or 2.5 °, above-mentioned weaving is provided with the first groove group 12 and the second groove group 13 interior week with the punching main body 10 of servo motor rotor punching, above-mentioned the first groove group 12 and the second groove group 13 comprise respectively two centrosymmetric grooves, and the angle between the line of the line of two grooves of the first groove group 12 and two grooves of the second groove group 13 is 82.5 ° (97.5 °).Like this, two groups of corresponding fins (or a group) can be set in rotating shaft, and when two rotor punchings are assembled to rotating shaft, same group of fin be inserted in different groove groups.
Especially, the periphery of above-mentioned punching main body 10 is provided with even number (for example 8) step 11, and the angle between adjacent step 11 equates (for example the angle between adjacent step is 45 ° when having 8 steps).And recess 111 on step can adopt circular arc (degree of depth of recess 111 can be less than or equal to the height of step 11).
In addition,, in order to realize rotor heat radiation and to alleviate rotor weight, can between interior week of punching main body 10 and periphery, a plurality of equally distributed through holes 14 be set, and the center of circle of the plurality of through hole 14 is positioned on same circumference.
Above-mentioned weaving can directly apply to servomotor with servo motor rotor punching, now this servomotor comprises that rotor and this rotor have a plurality of rotor punchings, each rotor punching comprises that the punching main body of annular and punching main body are provided with a plurality of steps that are used to magnet steel location, and the plurality of step is evenly distributed on the excircle of punching main body and the end face of each step is provided with recess.
In order to guarantee when rotor punching is assembled to rotating shaft, in different rotor punching, two of identical polar magnet steel alternate angles are 7.5 ° or 2.5 °, above-mentioned punching main body be provided with the first groove group and the second groove group interior week, above-mentioned the first groove group and the second groove group comprise respectively two centrosymmetric grooves, and the angle between the line of the line of two grooves of the first groove group and two grooves of the second groove group is 82.5 °.
Especially, the periphery of above-mentioned punching main body is provided with even number (for example 8) step, and the angle between adjacent step equates (for example the angle between adjacent step is 45 ° when having 8 steps).And recess on step can adopt circular arc.
In addition, the center of circle that a plurality of equally distributed through holes and the plurality of through hole can be set between the interior week of punching main body and periphery is positioned on same circumference, and these through holes not only can be realized heat radiation, and can reduce rotor weight.
The above; it is only preferably embodiment of the utility model; but protection range of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement, within all should being encompassed in protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (10)
1. a weaving servo motor rotor punching, it is characterized in that: comprise that the punching main body of annular and described punching main body are provided with a plurality of steps that are used to magnet steel location, described a plurality of steps are evenly distributed on the end face of step on the excircle of punching main body and described in each and offer recess.
2. weaving according to claim 1 servo motor rotor punching, is characterized in that: described punching main body be provided with the first groove group and the second groove group interior week, and described the first groove group and the second groove group comprise respectively two centrosymmetric grooves; Angle between the line of the line of two grooves of described the first groove group and two grooves of the second groove group is 82.5 °.
3. weaving according to claim 1 and 2 servo motor rotor punching, is characterized in that: the periphery of described punching main body is provided with even number step, and the angle between described step is identical.
4. weaving according to claim 1 and 2 servo motor rotor punching, is characterized in that: the recess on described step is circular arc.
5. weaving according to claim 1 and 2 servo motor rotor punching, is characterized in that: the center of circle that is provided with a plurality of equally distributed through holes and the plurality of through hole between the interior week of described punching main body and periphery is positioned on same circumference.
6. a servomotor, comprise that rotor and this rotor have a plurality of rotor punchings, it is characterized in that: each rotor punching comprises that the punching main body of annular and described punching main body are provided with a plurality of steps that are used to magnet steel location, described a plurality of steps are evenly distributed on the end face of step on the excircle of punching main body and described in each and offer recess.
7. servomotor according to claim 6, is characterized in that: described punching main body be provided with the first groove group and the second groove group interior week, and described the first groove group and the second groove group comprise respectively two centrosymmetric grooves; Angle between the line of the line of two grooves of described the first groove group and two grooves of the second groove group is 82.5 °.
8. according to the servomotor described in claim 6 or 7, it is characterized in that: the periphery of described punching main body is provided with even number step, and the angle between described step is identical.
9. according to the servomotor described in claim 6 or 7, it is characterized in that: the recess on described step is circular arc.
10. according to the servomotor described in claim 6 or 7, it is characterized in that: the center of circle that is provided with a plurality of equally distributed through holes and the plurality of through hole between the interior week of described punching main body and periphery is positioned on same circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320708512.4U CN203554100U (en) | 2013-11-08 | 2013-11-08 | Servo motor rotor punching sheet for spinning, and servo motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320708512.4U CN203554100U (en) | 2013-11-08 | 2013-11-08 | Servo motor rotor punching sheet for spinning, and servo motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203554100U true CN203554100U (en) | 2014-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320708512.4U Expired - Fee Related CN203554100U (en) | 2013-11-08 | 2013-11-08 | Servo motor rotor punching sheet for spinning, and servo motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203554100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173366A (en) * | 2018-02-10 | 2018-06-15 | 中山市科艺电机有限公司 | A kind of rotor and the sewing machine energy-saving electric machine and sewing machine with the rotor |
-
2013
- 2013-11-08 CN CN201320708512.4U patent/CN203554100U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108173366A (en) * | 2018-02-10 | 2018-06-15 | 中山市科艺电机有限公司 | A kind of rotor and the sewing machine energy-saving electric machine and sewing machine with the rotor |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20201108 |