CN103872813A - Motor rotor skewed slot iron core and processing method thereof - Google Patents

Motor rotor skewed slot iron core and processing method thereof Download PDF

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Publication number
CN103872813A
CN103872813A CN201210533793.4A CN201210533793A CN103872813A CN 103872813 A CN103872813 A CN 103872813A CN 201210533793 A CN201210533793 A CN 201210533793A CN 103872813 A CN103872813 A CN 103872813A
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CN
China
Prior art keywords
support
iron core
iron
determination
unshakable
Prior art date
Application number
CN201210533793.4A
Other languages
Chinese (zh)
Inventor
朱行然
张鹏
曹卫
Original Assignee
上海电气集团上海电机厂有限公司
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 上海电气集团上海电机厂有限公司 filed Critical 上海电气集团上海电机厂有限公司
Priority to CN201210533793.4A priority Critical patent/CN103872813A/en
Publication of CN103872813A publication Critical patent/CN103872813A/en

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Abstract

The invention relates to a motor rotor skewed slot iron core comprising an iron core bracket and multiple iron core punching sheets. The iron core bracket presents to be shaft-shaped, and the surface of the iron core bracket is provided with axial supporting ribs which incline along the circumferential direction of the iron core bracket. The external edges of the iron core punching sheets are provided with slot notches, and the internal edges are provided with recessed slots which are adaptive to the supporting ribs. The multiple iron core punching sheets are cascaded on the supporting ribs of the iron core bracket in turn via the recessed slots on the iron core punching sheets. The motor rotor skewed slot iron core is simple in structure and easy to carry out so that punching cost is reduced and production efficiency is enhanced. Besides, the supporting ribs with the corresponding inclined angles are processed on the iron core bracket only according to the design angle of the inclined slot during processing so that the design requirements can be met. When the sheet is damaged or lacked, only the punching sheet with the same specification needs to be utilized to realize replacement so that sheet supplement is quite easy.

Description

Rotor skewed slot iron core and processing method thereof

Technical field

The invention belongs to machine field, relate in particular to a kind of rotor skewed slot iron core and processing method thereof.

Background technology

Commutation, the vibration of direct current machine are one of problems of paying close attention in DC. machine design always, are generally to improve motor commutation and Vibration Condition by the skewed slot on rotor.

When general rotor adopts skewed slot, rotor punching adopts Digit Control Machine Tool punching piecewise, and every epitrochanterian notch is successively along circumferential deflection one minute angle, and on whole core length, accumulative total is along a rotor of circumference rotation, and every different.

In these cases, once in rotor punching punching or installation process, there is bad sheet or scarce sheet, sticking patch will be very difficult.

Summary of the invention

Based on this, for above-mentioned technical problem, provide a kind of rotor skewed slot iron core and processing method thereof.

For solving the problems of the technologies described above, the present invention adopts following technical scheme:

A kind of rotor skewed slot iron core, comprise support unshakable in one's determination and multiple iron-core lamination, described support unshakable in one's determination is axle shape, the support muscle that its surface is provided with axially and tilts along described support circumferencial direction unshakable in one's determination, described iron-core lamination outer rim is provided with notch, inner edge is provided with the groove with described support muscle adaptation, and described multiple iron-core laminations are by the groove on it successively folded row on the support muscle of described support unshakable in one's determination.

Described support muscle is along the distance of a described notch of described support circumferencial direction inclination unshakable in one's determination.

Described support muscle is multiple.

Described support unshakable in one's determination is steel bracket.

Described iron-core lamination is silicon steel punching.

This programme also relates to a kind of processing method of rotor skewed slot iron core, comprises the following steps:

The support unshakable in one's determination of machining shaft shape, the support muscle that forms on described support unshakable in one's determination axially and tilt along described support circumferencial direction unshakable in one's determination;

Processing iron-core lamination, forms multiple notches in the outer rim of described iron-core lamination, the groove in outer rim formation with described support muscle adaptation;

By multiple described iron-core laminations successively folded row on the support muscle of described support unshakable in one's determination.

The present invention is simple in structure, easy to implement, not only reduce punching cost, also improved production efficiency, and add man-hour only need be according to the design angle of skewed slot, the support muscle that processes corresponding angle of inclination on support unshakable in one's determination, can meet design requirement, in the time there is bad sheet or scarce sheet, only need change same specification punching, sticking patch will be very easy to.

Brief description of the drawings

Below in conjunction with the drawings and specific embodiments, the present invention is elaborated:

Fig. 1 is the structural representation of a kind of rotor skewed slot iron core of the present invention;

Fig. 2 is the structural representation of the support unshakable in one's determination of a kind of rotor skewed slot iron core of the present invention;

Fig. 3 is the flow chart of the processing method of a kind of rotor skewed slot iron core of the present invention.

Embodiment

As shown in Figure 1, a kind of rotor skewed slot iron core, comprises support 110 unshakable in one's determination and multiple iron-core lamination 120.

As shown in Figure 2, support 110 unshakable in one's determination is axle shape, the support muscle 111 that its surface is provided with axially and tilts along support 110 circumferencial directions unshakable in one's determination.

Iron-core lamination 120 outer rims are provided with notch 121, and inner edge is provided with and the groove 122 that supports muscle 111 adaptations.Multiple iron-core laminations 120 are by the groove 122 on it successively folded row on the support muscle 111 of support 110 unshakable in one's determination.

Like this, iron-core lamination 120 is successively along the folded row of support muscle 111 deflections, and the deflection angle that adjacent two iron-core laminations are 120 is all identical, makes notch 121 deflection equally successively on iron-core lamination 120, forms a skewed slot.

Wherein, the deflection angle of 120 of adjacent two iron-core laminations and the deflection angle of notch 121 are all identical with the angle of inclination of support muscle 111 on support 110 circumferencial directions unshakable in one's determination.

Particularly, the present embodiment support muscle 111 is along the distance of a notch 121 of support 110 circumferencial directions inclinations unshakable in one's determination.

In order to improve stability unshakable in one's determination, support muscle can be multiple, is understandable that, iron-core lamination 120 has the groove 122 of multiple adaptations equally.

Support unshakable in one's determination, iron-core lamination adopt respectively steel plate and silicon steel sheet to make, and can certainly adopt other materials, as selenium steel disc.

On Fig. 1, Fig. 2 basis, in conjunction with shown in Fig. 3, the present embodiment also provides a kind of processing method of rotor skewed slot iron core, comprises the following steps:

The support unshakable in one's determination 110 of S110, machining shaft shape, the support muscle 111 that forms on support 110 unshakable in one's determination axially and tilt along support 110 circumferencial directions unshakable in one's determination;

S120, processing iron-core lamination 120, form multiple notches 121 in the outer rim of iron-core lamination 120, forms and the groove 121 that supports muscle 111 adaptations in outer rim;

It is pointed out that step S110 and S120, sequencing, can first not process iron-core lamination 120 yet, reprocesses support 110 unshakable in one's determination.

S130, by multiple iron-core laminations 120 successively folded row on the support muscle 111 of support 110 unshakable in one's determination.

Like this, iron-core lamination 120 is successively along the folded row of support muscle 111 deflections, and the deflection angle that adjacent two iron-core laminations are 120 is all identical, makes notch 121 deflection equally successively on iron-core lamination 120, forms a skewed slot.

Wherein, the deflection angle of 120 of adjacent two iron-core laminations and the deflection angle of notch 121 are all identical with the angle of inclination of support muscle 111 on support 110 circumferencial directions unshakable in one's determination.

Adding man-hour, only need be according to the design angle of skewed slot, on support unshakable in one's determination, process the support muscle 111 at corresponding angle of inclination, can meet design requirement, processing is simple, and in the time there is bad sheet or scarce sheet, sticking patch will be very easy to.

Particularly, the present embodiment support muscle 111 is along the distance of a notch 121 of support 110 circumferencial directions inclinations unshakable in one's determination.

But, those of ordinary skill in the art will be appreciated that, above embodiment is only for the present invention is described, and be not used as limitation of the invention, as long as within the scope of connotation of the present invention, variation, modification to the above embodiment all will drop within the scope of claims of the present invention.

Claims (6)

1. a rotor skewed slot iron core, it is characterized in that, comprise support unshakable in one's determination and multiple iron-core lamination, described support unshakable in one's determination is axle shape, the support muscle that its surface is provided with axially and tilts along described support circumferencial direction unshakable in one's determination, described iron-core lamination outer rim is provided with notch, and inner edge is provided with the groove with described support muscle adaptation, and described multiple iron-core laminations are by the groove on it successively folded row on the support muscle of described support unshakable in one's determination.
2. a kind of rotor skewed slot iron core according to claim 1, is characterized in that, described support muscle is along the distance of a described notch of described support circumferencial direction inclination unshakable in one's determination.
3. a kind of rotor skewed slot iron core according to claim 1 and 2, is characterized in that, described support muscle is multiple.
4. a kind of rotor skewed slot iron core according to claim 3, is characterized in that, described support unshakable in one's determination is silicon steel support.
5. a kind of rotor skewed slot iron core according to claim 4, is characterized in that, described iron-core lamination is silicon steel punching.
6. a processing method for rotor skewed slot iron core, is characterized in that, comprises the following steps:
The support unshakable in one's determination of machining shaft shape, the support muscle that forms on described support unshakable in one's determination axially and tilt along described support circumferencial direction unshakable in one's determination;
Processing iron-core lamination, forms multiple notches in the outer rim of described iron-core lamination, the groove in outer rim formation with described support muscle adaptation;
By multiple described iron-core laminations successively folded row on the support muscle of described support unshakable in one's determination.
CN201210533793.4A 2012-12-11 2012-12-11 Motor rotor skewed slot iron core and processing method thereof CN103872813A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210533793.4A CN103872813A (en) 2012-12-11 2012-12-11 Motor rotor skewed slot iron core and processing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210533793.4A CN103872813A (en) 2012-12-11 2012-12-11 Motor rotor skewed slot iron core and processing method thereof

Publications (1)

Publication Number Publication Date
CN103872813A true CN103872813A (en) 2014-06-18

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Country Status (1)

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CN (1) CN103872813A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1209251B (en) * 1980-08-01 1989-07-16 Motori Elettrici E Pompe S I M Method for the automated manufacture stators for electric machines with constant incline quarries.
JP2001008417A (en) * 1999-06-21 2001-01-12 Yaskawa Electric Corp Manufacture of stator for motor
CN201563034U (en) * 2009-12-11 2010-08-25 南车株洲电力机车有限公司 Fan-shaped skewed slot iron core laminating mold
CN201577002U (en) * 2009-12-17 2010-09-08 哈尔滨电机厂有限责任公司 Positioning rib supporting block structure
CN201854103U (en) * 2010-11-17 2011-06-01 永济新时速电机电器有限责任公司 Stator core and motor
CN102347668A (en) * 2011-09-01 2012-02-08 上海上电蒂马克电机有限公司 Round stator punching and pressing mold structure with adjustable skewed slot angle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1209251B (en) * 1980-08-01 1989-07-16 Motori Elettrici E Pompe S I M Method for the automated manufacture stators for electric machines with constant incline quarries.
JP2001008417A (en) * 1999-06-21 2001-01-12 Yaskawa Electric Corp Manufacture of stator for motor
CN201563034U (en) * 2009-12-11 2010-08-25 南车株洲电力机车有限公司 Fan-shaped skewed slot iron core laminating mold
CN201577002U (en) * 2009-12-17 2010-09-08 哈尔滨电机厂有限责任公司 Positioning rib supporting block structure
CN201854103U (en) * 2010-11-17 2011-06-01 永济新时速电机电器有限责任公司 Stator core and motor
CN102347668A (en) * 2011-09-01 2012-02-08 上海上电蒂马克电机有限公司 Round stator punching and pressing mold structure with adjustable skewed slot angle

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Application publication date: 20140618

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