CN106787317A - A kind of punching of permanent magnet machine rotor - Google Patents
A kind of punching of permanent magnet machine rotor Download PDFInfo
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- CN106787317A CN106787317A CN201611198744.4A CN201611198744A CN106787317A CN 106787317 A CN106787317 A CN 106787317A CN 201611198744 A CN201611198744 A CN 201611198744A CN 106787317 A CN106787317 A CN 106787317A
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- Prior art keywords
- magnet steel
- groove
- punching
- error structure
- machine rotor
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
- H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
- H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
Abstract
The invention provides a kind of punching of permanent magnet machine rotor, belong to technical field of motor manufacture.It solves the technical problems such as the punching of the existing permanent magnet machine rotor easy direction when magnet steel is assembled is anti-loaded.This punching includes discoid lamellar body, and axis hole is offered in the middle part of lamellar body, has some groups of magnet steel grooves of V-arrangement along the circumferentially distributed of axis hole on lamellar body, and Anti-error structure is equipped with every group of side wall of magnet steel groove, and the Anti-error structure position in two groups of adjacent magnet steel groove sidewalls is different.In the present invention Anti-error structure is provided with the side side wall of magnet steel groove, magnet steel in insertion magnet steel groove is provided with the fit structure corresponding with this Anti-error structure, Anti-error structure in all magnet steel grooves is alternately distributed on the madial wall and lateral wall of each group magnet steel groove, can be distinguished when mounting magnetic steel positive and negative, to distinguish the N poles and S poles of magnet steel, correct installation is realized, such that it is able to entirely prevent the anti-loaded phenomenon in magnet steel direction occur.
Description
Technical field
The invention belongs to motor device technical field, it is related to a kind of magneto, particularly a kind of permanent magnet machine rotor
Punching.
Background technology
Magneto is a kind of motor that magnetic field is set up with permanent magnet, is widely used in automobile, motorcycle, hand dryer, electricity
The industries such as dynamic bicycle, battery car, ship, aviation, machinery, have the advantages that power factor high, efficiency high, energy-conservation.At present
Permanent magnet magnet steel is mounted in the mounting groove of punching in the magneto of in the market, due to the structure not right and wrong of rotor punching
Chang Heli, so as to cause S poles when mounting magnetic steel easily magnet steel extremely anti-loaded with N because the magnetic of magnet steel is strong, it is anti-loaded after
Reinstall wastes time and energy very much, so as to have a strong impact on the efficiency of assembling.
Every magnetic measure be influence magneto zero load magnetic leakage factor key factor, magneto every magnetic typically use every
Magnetic bridge is realized.
Chinese patent (notification number：204334146U, publication date：2015.05.13 a kind of groove rare earth of V-arrangement eight) is disclosed forever
Magnetic-synchro motor rotor punching sheet, it includes rotor punching body, and rotor punching body is evenly equipped with eight magnet steel grooves, and magnet steel groove is radial
V-arrangement magnet steel groove, is set every magnetic bridge C between two V-arrangement magnet steel groove ends, and rotor shaft hatch is provided with the middle part of rotor punching body,
Rotor punching body diameter phi be 55~550mm, between two V-arrangement magnet steel groove ends set on every magnetic bridge C width be 0.5~
20mm, the unilateral length D of magnet steel groove are 5~250mm, and magnet steel well width E is 1~25mm, and 4~20 are provided with rotor punching body
Louvre.
Rotor punching disclosed in above-mentioned patent document, in magnet steel groove during mounting magnetic steel, also easily the S poles of magnet steel
It is extremely anti-loaded with N, and the installation of magnet steel fixes not firm enough.
The content of the invention
A kind of above mentioned problem that the present invention exists for existing technology, there is provided punching of permanent magnet machine rotor, the present invention
Technical problem to be solved is：How to be prevented effectively from when magnet steel is installed and backward error occur and improve magnet steel in the punching
Firm fixing.
The purpose of the present invention can be realized by following technical proposal：
A kind of punching of permanent magnet machine rotor, including discoid lamellar body, offer axis hole in the middle part of the lamellar body, described
There are some groups of magnet steel grooves of V-arrangement along the circumferentially distributed of the axis hole on lamellar body, it is characterised in that the side wall of magnet steel groove described in every group
On be equipped with Anti-error structure, Anti-error structure position in magnet steel groove sidewall described in adjacent two groups is different.
Its operation principle is as follows：Permanent magnet in this permanent magnet machine rotor belongs to radial, when this punching is used, will be some
Individual lamellar body is sleeved on to be pressurizeed on special tooling and fixes, and is assembled into rotor core, is positioned with axis hole or is determined with splining on lamellar body
Position etc., after clearing up and checking magnet steel groove, the corresponding magnet steel of insertion in magnet steel groove, the rotor core two ends of this punching assembling can
It is fixed by bolt with end plate, dynamic balancing is verified on dynamic balancing machine, is verified in qualified rear loading stator and form this permanent magnetism
Motor.Magnetic pole on rotor core is that S poles and N are extremely alternatively distributed, therefore also wants corresponding setting magnet steel, the technical program
In Anti-error structure is provided with the side side wall of magnet steel groove, and the Anti-error structure in two groups of adjacent magnet steel groove sidewalls is arranged on
Diverse location, and the magnet steel inserted in magnet steel groove is provided with the fit structure corresponding with this Anti-error structure, such that it is able to distinguish
The N poles of magnet steel and S poles, realize correct installation, it is entirely avoided the anti-loaded phenomenon in magnet steel direction occur；Simultaneously by above-mentioned mistake proofing
Structure is engaged with the structure on magnet steel, position and spacing, improves the firm fixing after magnet steel is installed.
Punching in the technical program can reduce the relevant tool structure of magnet steel installation, early stage model machine cost in assembling
Reduce by 15% or so.
In the punching of above-mentioned permanent magnet machine rotor, the V-arrangement opening of the magnet steel groove towards the lamellar body outer peripheral face,
The magnet steel groove is madial wall towards the side wall of V-arrangement opening, and relative opposite side wall is lateral wall, and the group number of the magnet steel groove is
Anti-error structure in magnet steel groove sidewall described in two groups of even number and arbitrary neighborhood is separately positioned on madial wall and the outside of magnet steel groove
On wall.Anti-error structure in all magnet steel grooves is alternately distributed on the madial wall and lateral wall of each group magnet steel groove, and magnet steel can unite
One specification, the structure matched with above-mentioned Anti-error structure is provided with the side of magnet steel, can easily be distinguished when mounting magnetic steel
Direction, positive and negative alternate is installed, it is ensured that the correctness of assembly direction.
In the punching of above-mentioned permanent magnet machine rotor, the Anti-error structure is the projection being arranged on the wall of side.On magnet steel
Slot structure with the raised corresponding cooperation is set such that it is able to distinguish the direction of magnet steel, correct installation is realized, magnet steel side is prevented
To wrongly installed.Generally for the convenience of assembling, magnet steel has larger gap when coordinating with magnet steel groove, and magnetic is passed through in the technical program
Projection in steel groove sidewall is engaged with the slot structure on magnet steel, forms spacing and positioning, can make up certain residual quantity, so that
Improve the firm steadiness that magnet steel is installed.
In the punching of above-mentioned permanent magnet machine rotor, the shape such as the projection is rectangular, triangle or circular arc.It is raised
Magnet steel hold out against spacing, keep firm.
In the punching of above-mentioned permanent magnet machine rotor, alternatively, the Anti-error structure is to be opened in side wall
On groove.Similarly, the prominent structure of cooperation corresponding with the groove, during assembling, the prominent structure on magnet steel are set on magnet steel
Must be embedded in above-mentioned groove, both installations could be realized, so as to effectively prevent magnet steel direction wrongly installed.Protrusion on magnet steel
Structure can also improve the firm steadiness that magnet steel is installed with the groove fit in magnet steel groove sidewall.
Groove shapes in the technical program can be the shapes such as rectangle, triangle or circular arc.
In the punching of above-mentioned permanent magnet machine rotor, magnet steel groove described in every group includes left side groove and right side groove, described
Left side groove and right side groove are outer end near one end of the lamellar body outer peripheral face, and the other end is the inner, the left side groove it is inner with
It is provided with every magnetic bridge one between the inner of right side groove.Further, can be connected between left side groove and right side groove it is logical, then two
Formed every magnetic bridge one by filling insulating cement or insulated paint between person, there can also be interval between left side groove and right side groove.Often
The left side groove and right side groove of group magnet steel groove will respectively plug magnet steel, and improve magnetism isolating effect by every magnetic bridge one, be formed preferably
Magnetic field, so as to improve the power of magneto.
In the punching of above-mentioned permanent magnet machine rotor, the left side groove and right side groove of magnet steel groove described in every group are both with respect to two
Described between person is symmetrical arranged every magnetic bridge one and is equipped with the mistake proofing in the left side groove and right side groove of magnet steel groove described in every group
Structure, the Anti-error structure in the left side groove is also symmetrical arranged with the Anti-error structure in right side groove.The left side groove of magnet steel groove and the right side
Side channel can effectively realize distinguishing for magnet steel direction when plugging magnet steel respectively, it is ensured that assembling is correct, while passing through said structure energy
Enough unify magnet steel specification, be easy to production.
In the punching of above-mentioned permanent magnet machine rotor, the outer end of the left side groove and/or right side groove has by outer end end
The inclined plane one and inclined plane two for extending are inclined towards both sides；The inner of the left side groove and/or right side groove has lateral by one
Opposite side inclines the inclined plane three for extending.
In the punching of above-mentioned permanent magnet machine rotor, the outer end of the left side groove and/or right side groove is external with described
It is additionally provided between side face every magnetic bridge two.Depending on the width size of magnetic bridge two is according to the result after electromagnetism and structure design, pass through
Set and further improve magnetism isolating effect every magnetic bridge two, magnet steel leakage field is limited, so as to improve the peak power of magneto.
In the punching of above-mentioned permanent magnet machine rotor, the mistake proofing knot in the left side groove or right side groove of magnet steel groove described in every group
Structure quantity is one or more；It is described when the Anti-error structure quantity in the left side groove or right side groove of the magnet steel groove is one
Anti-error structure is located at the left side groove of the magnet steel groove or the centre position of right side groove.So magnet steel two ends can all have larger remaining
Amount, is conveniently adjusted the mismachining tolerance of magnet steel or magnet steel groove, it is ensured that convenient for assembly while magnet steel is firmly installed.
In the punching of above-mentioned permanent magnet machine rotor, the length of the left side groove of magnet steel groove or right side groove described in every group is 5
~100mm, width be 2~15mm, it is described every magnetic bridge one and every the width of magnetic bridge two be 0.3~5mm.This setting ensure that compared with
Good magnetism isolating effect, and the magnet steel for so setting has preferable magnetic field output, and band when motor runs at high speed can be born
The centrifugal force for coming.
In the punching of above-mentioned permanent magnet machine rotor, magnet isolation tank hole is equipped with the madial wall of magnet steel groove described in every group.
After assembling magnet steel in magnet steel groove, after injecting insulated paint or insulating cement in magnet isolation tank hole, while improving magnetism isolating effect, enter one
Step carries out spacing, the steadiness that raising magnet steel is installed to magnet steel.
In the punching of above-mentioned permanent magnet machine rotor, formed between the left side groove and right side groove in magnet steel groove described in every group
Angle α, wherein, 30 °≤α≤160 °.The concrete numerical value of α is specifically set according to rotor number of poles, so have it is bigger forever
Magnet spaces, after magnet steel inserts above-mentioned magnet steel groove, obtain more preferably magnetic circuit, so as to improve the power of motor, enhancing is exerted oneself.
In the punching of above-mentioned permanent magnet machine rotor, lightening hole and rivet hole are further opened with the lamellar body.Further
, lightening hole can be the various shapes such as circle, semicircle, arc, polygon.Rivet is may be inserted into rivet hole to enter punching
Row is fixed, and lightening hole is conducive to mitigating the overall weight of rotor core, so as to reduce the rotary inertia of motor, and is conducive to electricity
The radiating of machine rotor.
Further, a diameter of 50~400mm of the technical program median plate body；The material of lamellar body can for 35W300,
50W400 or 50W470 etc., every magnetic bridge one and every magnetic bridge two using the filling such as insulating cement or insulated paint.
Compared with prior art, the present invention has advantages below：
1st, be provided with Anti-error structure on the side side wall of magnet steel groove in the present invention, the magnet steel in insertion magnet steel groove be provided with
The corresponding fit structure of this Anti-error structure, the Anti-error structure in all magnet steel grooves is alternately distributed the madial wall in each group magnet steel groove
Can distinguish positive and negative on lateral wall, when mounting magnetic steel, to distinguish the N poles and S poles of magnet steel, realize correct installation, so that
Can entirely prevent the anti-loaded phenomenon in magnet steel direction occur.
2nd, it is engaged with the structure on magnet steel by Anti-error structure in the present invention, position and spacing, improves magnet steel
Firm fixing after installation.
Brief description of the drawings
Fig. 1 is the positive structure diagram of this punching in embodiment one.
Fig. 2 is the partial enlargement structural representation of this punching in embodiment one.
Fig. 3 is the partial enlargement structural representation of this punching in embodiment two.
In figure, 1, lamellar body；11st, axis hole；12nd, magnet steel groove；12a, left side groove；12b, right side groove；12c, madial wall；It is 12d, outer
Side wall；12e, the inner；12f, outer end；12g, magnet isolation tank hole；13rd, it is raised；14th, groove；15th, inclined plane one；16th, inclined plane two；
17th, inclined plane three；18th, lightening hole；19th, rivet hole；2nd, every magnetic bridge one；3rd, every magnetic bridge two.
Specific embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Embodiment one
Technical scheme in the present embodiment is not limited by rotor number of poles, goes for quadrupole, sextupole, the ends of the earth, ten poles
Deng the rotor core structure of multipolar dynamo.As depicted in figs. 1 and 2, with 12 extremely examples, this punching includes discoid the present embodiment
Lamellar body 1, the middle part of lamellar body 1 offers axis hole 11, has some groups of magnet steel grooves of V-arrangement along the circumferentially distributed of axis hole 11 on lamellar body 1
12, have 12 groups of magnet steel grooves 12 of V-arrangement in the present embodiment, the V-arrangement opening of magnet steel groove 12 towards lamellar body 1 outer peripheral face, every group of magnetic
Be equipped with Anti-error structure on the side side wall of steel tank 12, magnet steel groove 12 towards the side wall of V-arrangement opening be madial wall 12c, it is relative
Opposite side wall is lateral wall 12d, and the group number of magnet steel groove 12 is the mistake proofing on even number and the side wall of two groups of magnet steel grooves 12 of arbitrary neighborhood
Structure is separately positioned on the madial wall 12c and lateral wall 12d of magnet steel groove 12；When this punching is assembled, several lamellar bodies 1 are set with
On special tooling pressurize fix, be assembled into rotor core, positioned with axis hole 11 or with lamellar body 1 splining positioning etc., clearly
After managing and checking magnet steel groove 12, the corresponding magnet steel of insertion in magnet steel groove 12, because the magnetic pole on rotor core is S poles and N
It is extremely alternatively distributed, therefore corresponding setting magnet steel is also wanted, set by the side side wall of magnet steel groove 12 in the present embodiment
There is Anti-error structure, the magnet steel in insertion magnet steel groove 12 is provided with the fit structure corresponding with this Anti-error structure, all magnet steel grooves
Anti-error structure in 12 is alternately distributed on the madial wall 12c and lateral wall 12d of each group magnet steel groove 12 so that mounting magnetic steel when
Time can distinguish positive and negative, distinguish the N poles and S poles of magnet steel, correct installation be realized, such that it is able to entirely prevent magnet steel direction occur
Anti-loaded phenomenon, while being engaged with the structure on magnet steel by above-mentioned Anti-error structure, position and spacing, improves magnet steel
Firm fixing after installation.
Specifically, as shown in Fig. 2 Anti-error structure is raised 13 be arranged on the wall of side；Raised 13 can with it is rectangular, three
The shapes such as angular or circular arc；Every group of magnet steel groove 12 includes left side groove 12a and right side groove 12b and left side groove 12a and right side groove
There is interval, left side groove 12a and right side groove 12b is outer end 12f near one end of the outer peripheral face of lamellar body 1, and the other end is interior between 12b
End 12e, is provided with every magnetic bridge 1 between the inner 12e of the inner 12e and right side groove 12b of left side groove 12a, is carried by every magnetic bridge 1
Magnetism isolating effect high, forms preferably magnetic field, so as to improve the power of magneto；The left side groove 12a of every group of magnet steel groove 12 and the right side
Side channel 12b both with respect between the two every magnetic bridge 1 be symmetrical arranged and every group of magnet steel groove 12 left side groove 12a and right side groove
Anti-error structure is equipped with 12b, the Anti-error structure on left side groove 12a is also symmetrical arranged with the Anti-error structure on right side groove 12b；It is left
The outer end 12f of side channel 12a and/or right side groove 12b to be had the inclined plane 1 of extension is inclined to both sides from outer end 12f end faces and is inclined
Inclined-plane 2 16；The inner 12e of left side groove 12a and/or right side groove 12b has the inclined plane three that extension is inclined by a lateral opposite side
17；It is additionally provided with every magnetic bridge 23, every magnetic bridge between the outer end 12f and the outer peripheral face of lamellar body 1 of left side groove 12a and/or right side groove 12b
Depending on 23 width size is according to the result after electromagnetism and structure design, imitated every magnetic by setting further to be improved every magnetic bridge 23
Really, magnet steel leakage field is limited, so as to improve the power of magneto.
Further, as shown in figure 1, being further opened with lightening hole 18 and rivet hole 19 on lamellar body 1, lightening hole 18 can be round
The various shapes such as shape, semicircle, arc, polygon；Rivet is may be inserted into rivet hole 19 to be fixed punching, lightening hole 18
Be conducive to mitigating the overall weight of rotor core, so as to reduce the rotary inertia of motor, and be conducive to the radiating of rotor；
Magnet isolation tank hole 12g is equipped with every group of madial wall 12c of magnet steel groove 12；Every group of left side groove 12a of magnet steel groove 12 in the present embodiment
Or the Anti-error structure quantity on right side groove 12b is one or more；When on the left side groove 12a or right side groove 12b of magnet steel groove 12
When Anti-error structure quantity is one, Anti-error structure is located at the centre position of the left side groove 12a or right side groove 12b of magnet steel groove 12, this
Can all there be larger surplus at sample magnet steel two ends, be conveniently adjusted the mismachining tolerance of magnet steel or magnet steel groove 12, it is ensured that magnet steel is firmly installed
While it is convenient for assembly.Every group of length of the left side groove 12a or right side groove 12b of magnet steel groove 12 is 5~100mm, width is 2~
15mm, every magnetic bridge 1 and every the width of magnetic bridge 23 be 0.3~5mm.Preferably, the left side groove 12a of every group of magnet steel groove 12 or the right side
The length of side channel 12b be 20mm or 50mm, width be 8mm or 10mm, every magnetic bridge 1 and every the width of magnetic bridge 23 be 1mm or 3mm,
So set and ensure that preferably magnetism isolating effect, and the magnet steel for so setting has preferable magnetic field effect.
Angle α is formed between left side groove 12a and right side groove 12b in the present embodiment in every group of magnet steel groove 12, wherein, 30 °
≤α≤160°；α is preferably 135 ° in the present embodiment, after magnet steel inserts above-mentioned magnet steel groove 12, obtains more preferably magnetic circuit, so that
The power of motor is improved, enhancing is exerted oneself.Further, a diameter of 50~400mm of the present embodiment median plate body 1；The material of lamellar body 1
Can be 35W300,50W400 or 50W470 etc., be formed using the filling such as insulating cement or insulated paint every magnetic bridge 1 and every magnetic bridge 23.
Embodiment two
As shown in figure 3, the present embodiment is roughly the same with embodiment one, difference is, Anti-error structure in the present embodiment
To be opened in the groove 14 on the wall of side, the shape of groove 14 can be the shapes such as rectangle, triangle or circular arc, be set on magnet steel
With the prominent structure of the corresponding cooperation of groove 14, during assembling, the prominent structure on magnet steel must be embedded in above-mentioned groove 14,
Both installations could be realized, so as to effectively prevent magnet steel direction wrongly installed；In prominent structure and the side wall of magnet steel groove 12 on magnet steel
Groove 14 coordinate can also improve magnet steel installation firm steadiness.
Specific embodiment described herein is only to the spiritual explanation for example of the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from spirit of the invention or surmount scope defined in appended claims.
Although more having used 1, lamellar body herein；11st, axis hole；12nd, magnet steel groove；12a, left side groove；12b, right side groove；
12c, madial wall；12d, lateral wall；12e, the inner；12f, outer end；12g, magnet isolation tank hole；13rd, it is raised；14th, groove；15th, incline
Face one；16th, inclined plane two；17th, inclined plane three；18th, lightening hole；19th, rivet hole；2nd, every magnetic bridge one；3rd, every the second-class term of magnetic bridge,
But it is not precluded from using the possibility of other terms.It is used for the purpose of more easily describing and explaining the present invention using these terms
Essence；Any additional limitation is construed as all to be disagreed with spirit of the present invention.
Claims (9)
1. a kind of punching of permanent magnet machine rotor, including discoid lamellar body (1), axis hole is offered in the middle part of the lamellar body (1)
(11), there are some groups of magnet steel grooves (12) of V-arrangement along the circumferentially distributed of the axis hole (11) on the lamellar body (1), it is characterised in that
Anti-error structure is equipped with the side wall of magnet steel groove (12) described in every group, the mistake proofing on magnet steel groove (12) side wall described in adjacent two groups
Locations of structures is different.
2. the punching of permanent magnet machine rotor according to claim 1, it is characterised in that the V-arrangement of the magnet steel groove (12) is opened
Mouthful towards the lamellar body (1) outer peripheral face, the magnet steel groove (12) towards V-arrangement opening side wall be madial wall (12c), it is relative
Opposite side wall is lateral wall (12d), and the group number of the magnet steel groove (12) is magnet steel groove described in two groups of even number and arbitrary neighborhood
(12) Anti-error structure on the wall of side is separately positioned on the madial wall of magnet steel groove (12) (12c) and lateral wall (12d).
3. the punching of permanent magnet machine rotor according to claim 1 and 2, it is characterised in that the Anti-error structure is setting
Projection (13) on the wall of side.
4. the punching of permanent magnet machine rotor according to claim 1 and 2, it is characterised in that the Anti-error structure is to open up
Groove (14) on the wall of side.
5. the punching of permanent magnet machine rotor according to claim 1 and 2, it is characterised in that magnet steel groove (12) described in every group
Include left side groove (12a) and right side groove (12b), the left side groove (12a) and right side groove (12b) are close to the lamellar body (1) outward
One end of side face is outer end (12f), and the other end is inner (12e), the inner (12e) of the left side groove (12a) and right side groove
Have every magnetic bridge one (2) between the inner (12e) of (12b).
6. the punching of permanent magnet machine rotor according to claim 5 a, it is characterised in that left side for magnet steel groove (12) described in every group
Side channel (12a) and right side groove (12b) every magnetic bridge one (2) both with respect to being symmetrical arranged and magnet steel described in every group described between the two
The Anti-error structure, the mistake proofing on the left side groove (12a) are equipped with the left side groove (12a) and right side groove (12b) of groove (12)
Structure is also symmetrical arranged with the Anti-error structure in right side groove (12b).
7. the punching of permanent magnet machine rotor according to claim 5, it is characterised in that the left side groove (12a) and/or the right side
It is additionally provided with every magnetic bridge two (3) between the outer end (12f) of side channel (12b) and the lamellar body (1) outer peripheral face.
8. the punching of permanent magnet machine rotor according to claim 5 a, it is characterised in that left side for magnet steel groove (12) described in every group
Anti-error structure quantity on side channel (12a) or right side groove (12b) is one or more；When the left side groove of the magnet steel groove (12)
When Anti-error structure quantity in (12a) or right side groove (12b) is one, the Anti-error structure is located at a left side for the magnet steel groove (12)
The centre position of side channel (12a) or right side groove (12b).
9. the punching of permanent magnet machine rotor according to claim 7 a, it is characterised in that left side for magnet steel groove (12) described in every group
The length of side channel (12a) or right side groove (12b) is 5~100mm, and width is 2~15mm, described every magnetic bridge one (2) and every magnetic bridge
Two (3) width are 0.3~5mm.
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| CN201611198744.4A CN106787317A (en) | 2016-12-22 | 2016-12-22 | A kind of punching of permanent magnet machine rotor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107516953A (en) * | 2017-10-23 | 2017-12-26 | 安徽栋霖电气有限公司 | A kind of mixed type permanent-magnet pole rotor |
| CN108183566A (en) * | 2017-12-19 | 2018-06-19 | 宁波安信数控技术有限公司 | A kind of low inertia rotor of magneto |
| CN112865362A (en) * | 2020-12-28 | 2021-05-28 | 珠海格力电器股份有限公司 | Rotor core assembly, rotor and motor |
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| JP2015053822A (en) * | 2013-09-09 | 2015-03-19 | トヨタ自動車株式会社 | Rotor and method of manufacturing rotor |
| CN204967578U (en) * | 2015-09-23 | 2016-01-13 | 渤海大学 | Reduce PMSM torque ripple's rotor structure |
| CN205377495U (en) * | 2016-01-20 | 2016-07-06 | 广东合普动力科技有限公司 | Permanent magnet synchronous motor rotor structure |
| CN206283343U (en) * | 2016-12-22 | 2017-06-27 | 温岭市九洲电机制造有限公司 | A kind of punching of permanent magnet machine rotor |
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| CN107516953A (en) * | 2017-10-23 | 2017-12-26 | 安徽栋霖电气有限公司 | A kind of mixed type permanent-magnet pole rotor |
| CN108183566A (en) * | 2017-12-19 | 2018-06-19 | 宁波安信数控技术有限公司 | A kind of low inertia rotor of magneto |
| CN112865362A (en) * | 2020-12-28 | 2021-05-28 | 珠海格力电器股份有限公司 | Rotor core assembly, rotor and motor |
| CN112865362B (en) * | 2020-12-28 | 2022-03-18 | 珠海格力电器股份有限公司 | Rotor core assembly, rotor and motor |
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