CN206743062U - A kind of anti-card machine magnetic shoe of rotor - Google Patents
A kind of anti-card machine magnetic shoe of rotor Download PDFInfo
- Publication number
- CN206743062U CN206743062U CN201720519533.XU CN201720519533U CN206743062U CN 206743062 U CN206743062 U CN 206743062U CN 201720519533 U CN201720519533 U CN 201720519533U CN 206743062 U CN206743062 U CN 206743062U
- Authority
- CN
- China
- Prior art keywords
- magnetic shoe
- segmental arc
- rotor
- card machine
- side wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000009826 distribution Methods 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000012797 qualification Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- PXAWCNYZAWMWIC-UHFFFAOYSA-N [Fe].[Nd] Chemical compound [Fe].[Nd] PXAWCNYZAWMWIC-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a kind of rotor with anti-card machine magnetic shoe, belongs to magnetic shoe manufacture field.The utility model includes magnetic shoe body, magnetic shoe body includes outer wall, inwall and side wall, outer wall includes left segmental arc, midplane section and the right segmental arc being sequentially connected, one end of left segmental arc is connected by side wall with inwall, one end of right segmental arc is connected by side wall with inwall, the Central Symmetry distribution of left segmental arc and right segmental arc along midplane section, midplane section is horizontal segment.The utility model overcomes the shortcomings of that stuck, influence motor stabilizing is easily worn when magnetic shoe makees rotor use in the prior art to be used, and can effectively be alleviated the contact wear between magnetic shoe and stator, be avoided rotor stuck, ensure the use steady in a long-term of motor.
Description
Technical field
Magnetic shoe processing technique field is the utility model is related to, more specifically to a kind of rotor with anti-card machine magnetic shoe.
Background technology
Magnetic shoe is the important component of motor, different, the permanent magnetism that by magnet exciting coil produces magnetic potential source from electromagnetic motor
Motor is to produce constant magnetic potential source with permanent-magnet material.Permanent magnetic tile replaces electrical excitation to have lot of advantages, and electric machine structure can be made simple
Single, easy to maintenance, in light weight, small volume, using it is reliable, copper consumption is few, copper loss is low, energy consumption is small etc., therefore application is further extensive.
Magnetic shoe can not only be used in motor rotor use, can also be used as stator, wherein magnetic shoe as rotor in use,
Magnetic shoe easily produces serious contact wear in rotation process between stator, rotor and stator is easily produced damage,
And rotor is easily stuck, cause motor card machine stall, burn-out motor is even understood when serious, influenceing the steady in a long-term of motor makes
With bringing a variety of inconvenience to production practices.
Through retrieval, Chinese Patent Application No.:2014105790815, the applying date:On October 24th, 2014, innovation and creation name
Referred to as:Magnetic shoe, this application case disclose a kind of magnetic shoe, including magnetic shoe body, and for this body section of magnetic shoe in sector, lateral surface is in arc
Face, medial surface are in plane, and the lateral surface at magnetic shoe body both ends is provided with the ladder installation portion for being easy to be socketed rotor cap, magnetic shoe body
Left side offers some projections, and right side opening is provided with some grooves, raised corresponding with groove;It is steady that this application case provides a kind of installation
Gu, the fixation of being easy to rotor cap to install, while the magnetic shoe of clearance distance will not be increased again, be favorably improved the assembling production of motor
Efficiency, while improve the durable performance of motor.
And for example Chinese Patent Application No.:2014203693784, the applying date:On July 7th, 2014, invention and created name are:
A kind of sintered NdFeB magnetic shoe being used in magneto, this application case disclose a kind of sintering neodymium iron being used in magneto
Boron magnetic shoe, including curved base, the curved base are included by intrados, extrados, upper surface, lower surface, left surface and right side
The entity that face is surrounded, extrados and intrados are concentric, and left surface and right flank are intersected on the axle center of the intrados, on
It is connected between end face and the extrados by circular conical surface transition, fixed blind hole is arranged with the center of lower surface.This application case
Beneficial effect be:Simple and compact for structure, easy for installation, fixed, magnetic shoe is less prone to damage, improves motor work
Stability.
In summary, above application case focuses on improves in by structure, solves magnetic shoe installation inconvenience or fixation is illusive
Problem, but the problem of be not directed to easy card machine in magnetic shoe rotation process, how to improve the card machine problem that magnetic shoe makees the rotor used time
It is still undecided.
Utility model content
1. utility model technical problems to be solved
The purpose of this utility model, which is to overcome when magnetic shoe makees rotor use in the prior art, easily wears stuck, influence electricity
The deficiency that machine stably uses, there is provided a kind of anti-card machine magnetic shoe of rotor, can effectively alleviate the contact mill between magnetic shoe and stator
Damage, avoids rotor stuck, ensures the use steady in a long-term of motor.
2. technical scheme
To reach above-mentioned purpose, technical scheme provided by the utility model is:
A kind of rotor of the present utility model anti-card machine magnetic shoe, including magnetic shoe body, magnetic shoe body include outer wall, inwall and
Side wall, the outer wall include left segmental arc, midplane section and the right segmental arc being sequentially connected, and one end of left segmental arc passes through side wall and inwall
It is connected, one end of right segmental arc is connected by side wall with inwall.
Further, the Central Symmetry distribution of left segmental arc and right segmental arc along midplane section.
Further, midplane section is horizontal segment.
Further, it is light between left segmental arc and side wall, between right segmental arc and side wall and between inwall and side wall
Slip over and cross.
Further, the surface profile line of left segmental arc and right segmental arc is camber line, and the arc wheel profile of left segmental arc
The center of circle is identical with the center of circle of the arc wheel profile of right segmental arc.
Further, the highest of the extension line of left segmental arc arc wheel profile and the extension line of right segmental arc arc wheel profile is handed over
Point is A, and the vertical range h between intersection point A and midplane section is 0.03~0.05mm.
Further, the vertical range h between intersection point A and midplane section is 0.05mm.
3. beneficial effect
Using technical scheme provided by the utility model, compared with prior art, have the advantages that:
(1) the anti-card machine magnetic shoe of a kind of rotor of the present utility model, magnetic shoe outer wall include left segmental arc, midplane section and right arc
Section, midplane section is horizontal segment, magnetic shoe apical side height is reduced, between increasing between rotor magnetic shoe outer wall peak and stator
Gap, effectively prevent rotor to be stuck, and reduce the contact wear in rotation process, so as to avoid motor card machine and damage, have
Beneficial to the performance for ensureing motor.
(2) the anti-card machine magnetic shoe of a kind of rotor of the present utility model, it is by the highest face grinding of conventional arched magnetic shoe
Horizontal plane, grinding thichness are controlled between 0.03~0.05mm, and one side processing capacity is small, is readily produced operation, and rotor magnetic shoe
Distribution of Magnetic Field be substantially unaffected, ensured the normal use performance of magnetic shoe.
(3) the anti-card machine magnetic shoe of a kind of rotor of the present utility model, the setting of midplane section cause magnetic shoe keeping original
Qualification rate substantially rises in the range of tolerance grade, and the installation assembling of magnetic shoe is more flexible and convenient.
(4) the anti-card machine magnetic shoe of a kind of rotor of the present utility model, reasonable in design, principle is simple, is easy to popularization to make
With.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the anti-card machine magnetic shoe of rotor of the present utility model;
Fig. 2 is a kind of structural representation of rotor of the present utility model midplane section of anti-card machine magnetic shoe.
Label declaration in schematic diagram:1st, magnetic shoe body;101st, left segmental arc;102nd, midplane section;103rd, right segmental arc;104、
Inwall;105th, side wall.
Embodiment
To further appreciate that content of the present utility model, the utility model is described in detail with reference to accompanying drawing.
With reference to embodiment, the utility model will be further described.
Embodiment 1
A kind of anti-card machine magnetic shoe of rotor of the present embodiment, as depicted in figs. 1 and 2, including magnetic shoe body 1, magnetic shoe body 1
Including outer wall, inwall 104 and side wall 105, wherein outer wall includes left segmental arc 101, midplane section 102 and the right segmental arc being sequentially connected
103, one end of left segmental arc 101 is connected by side wall 105 with inwall 104, and one end of right segmental arc 103 passes through side wall 105 and inwall
104 are connected, and between left segmental arc 101 and side wall 105, between right segmental arc 103 and side wall 105 and inwall 104 and side wall 105 it
Between be to smoothly transit.The Central Symmetry distribution of left segmental arc 101 and right segmental arc 103 along midplane section 102, midplane section 102 are
Horizontal segment.
Magnetic shoe makees rotor in use, being engaged rotation with stator, and the magnetic shoe generally used in industry is mostly arc magnetic shoe, should
The central point of the arc outer wall of arc magnetic shoe is outwardly, position highest, and the face of highest herein of magnetic shoe is easily in rotation process
Worn with stator contact, magnetic shoe rotor is caused to damage with stator, and magnetic shoe highest face is easily stuck, and influences normal flexible turn
It is dynamic, cause motor card machine stall, influence the use steady in a long-term of motor;Secondly, to ensure that the installation of rotor magnetic shoe is assembled, industry
The interior processing dimension tolerance to rotor magnetic shoe is high, especially the tolerance of magnetic shoe center thickness generally ±
0.05mm, with reference to the arcuate structure of magnetic shoe, cause to produce that required precision is higher, and difficulty of processing is larger, production qualification rate needs to be carried
It is high.
The anti-card machine magnetic shoe of the present embodiment is avoided between magnetic shoe arc highest face and stator by the rational design to outer wall
Contact wear and stuck phenomenon, the magnetic shoe outer wall of the present embodiment include left segmental arc 101, midplane section 102 and right segmental arc 103,
Midplane section 102 is horizontal segment, and the surface profile line of left segmental arc 101 and right segmental arc 103 is camber line, and the arc of left segmental arc 101
The center of circle of shape contour line is identical with the center of circle of the arc wheel profile of right segmental arc 103, the extension line of the left arc wheel profile of segmental arc 101 with
The highest intersection point of the extension line of the right arc wheel profile of segmental arc 103 is A, and the vertical range h between intersection point A and midplane section 102 is
0.05mm, (dotted line is the arc extension line of two arc wheel profiles in figure, arc magnetic shoe knot of the prior art as shown in Figure 2
Structure is also as shown in dotted line position), the highest face grinding of arc magnetic shoe in the prior art is horizontal plane by the present embodiment, is reduced
Magnetic shoe apical side height, increases the gap between rotor magnetic shoe outer wall peak and stator, effectively prevents magnetic shoe rotor to be stuck,
And the contact between stator of magnetic shoe outer wall center is avoided, reduce the contact wear in rotation process, so as to avoid to motor
Stable use impact, prevent motor card machine and damage phenomenon, be advantageous to the performance of guarantee motor.
It should be noted that the highest face grinding of arc magnetic shoe in the prior art is horizontal plane by the present embodiment, mill
Thickness control is cut between 0.03~0.05mm, one side processing capacity is small, is readily produced operation, and the Distribution of Magnetic Field of rotor magnetic shoe
It is substantially unaffected, has ensured the normal use performance of magnetic shoe;Secondly, the setting of midplane section 102 causes magnetic shoe keeping former
Qualification rate substantially rises in the range of having tolerance grade, and the installation assembling of magnetic shoe is more flexible and convenient.
The present embodiment had both avoided rotor magnetic shoe by the ingenious optimization to rotor magnetic shoe and had been stuck, and had ensured motor use
Performance, and easy to operate, suitable popularization and application.
Embodiment 2
A kind of anti-card machine magnetic shoe of rotor of the present embodiment, basic structure with embodiment 1, except that, the present embodiment
Vertical range h between middle intersection point A and midplane section 102 is 0.03mm.
Embodiment 3
A kind of anti-card machine magnetic shoe of rotor of the present embodiment, basic structure with embodiment 1, except that, the present embodiment
Vertical range h between middle intersection point A and midplane section 102 is 0.04mm.
Schematically the utility model and embodiments thereof are described above, this describes no restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So if this area
Those of ordinary skill enlightened by it, do not depart from the utility model create objective in the case of, without creativeness design
The frame mode similar to the technical scheme and embodiment, the scope of protection of the utility model all should be belonged to.
Claims (7)
1. a kind of anti-card machine magnetic shoe of rotor, including magnetic shoe body (1), magnetic shoe body (1) includes outer wall, inwall (104) and side
Wall (105), it is characterised in that:The outer wall includes left segmental arc (101), midplane section (102) and the right segmental arc being sequentially connected
(103), one end of left segmental arc (101) is connected by side wall (105) with inwall (104), and one end of right segmental arc (103) passes through side wall
(105) it is connected with inwall (104).
A kind of 2. anti-card machine magnetic shoe of rotor according to claim 1, it is characterised in that:Left segmental arc (101) and right segmental arc
(103) it is distributed along the Central Symmetry of midplane section (102).
A kind of 3. anti-card machine magnetic shoe of rotor according to claim 1 or 2, it is characterised in that:Midplane section (102) is water
Flat section.
A kind of 4. anti-card machine magnetic shoe of rotor according to claim 1 or 2, it is characterised in that:Left segmental arc (101) and side wall
(105) between, between right segmental arc (103) and side wall (105) and between inwall (104) and side wall (105) be to smoothly transit.
A kind of 5. anti-card machine magnetic shoe of rotor according to claim 3, it is characterised in that:Left segmental arc (101) and right segmental arc
(103) surface profile line is camber line, and the center of circle of the arc wheel profile of left segmental arc (101) and the arc of right segmental arc (103)
The center of circle of contour line is identical.
A kind of 6. anti-card machine magnetic shoe of rotor according to claim 5, it is characterised in that:Left segmental arc (101) curved profile
The highest intersection point of the extension line of the extension line of line and right segmental arc (103) arc wheel profile be A, intersection point A and midplane section (102) it
Between vertical range h be 0.03~0.05mm.
A kind of 7. anti-card machine magnetic shoe of rotor according to claim 6, it is characterised in that:Intersection point A and midplane section (102)
Between vertical range h be 0.05mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720519533.XU CN206743062U (en) | 2017-05-11 | 2017-05-11 | A kind of anti-card machine magnetic shoe of rotor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720519533.XU CN206743062U (en) | 2017-05-11 | 2017-05-11 | A kind of anti-card machine magnetic shoe of rotor |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206743062U true CN206743062U (en) | 2017-12-12 |
Family
ID=60565001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720519533.XU Expired - Fee Related CN206743062U (en) | 2017-05-11 | 2017-05-11 | A kind of anti-card machine magnetic shoe of rotor |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206743062U (en) |
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2017
- 2017-05-11 CN CN201720519533.XU patent/CN206743062U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
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: 20171212 |