CN103959605A - Laminated core for electric motor - Google Patents
Laminated core for electric motor Download PDFInfo
- Publication number
- CN103959605A CN103959605A CN201180074952.2A CN201180074952A CN103959605A CN 103959605 A CN103959605 A CN 103959605A CN 201180074952 A CN201180074952 A CN 201180074952A CN 103959605 A CN103959605 A CN 103959605A
- Authority
- CN
- China
- Prior art keywords
- hole
- steel plate
- cartridge
- motor
- duplexer
- 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.)
- Granted
Links
Classifications
-
- 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
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
This laminated core is equipped with: a steel plate laminate (1) that is constructed by layering annular steel plates having multiple through-holes (1a); tubular members (2) that are inserted through the through-holes (1a); and rivet pins (3) that are inserted through the tubular members (2), press the tubular members (2) against the through-holes (1a) by expanding the diameter of the tubular members, and bind the steel plates of the steel plate laminate (1) by the swaging sections (3b) at the tip of the rivet pins being swaged. Annular end plates (4) are provided on either end of the steel plate laminate (1), each annular end plate having stepped through-holes comprising a large-diameter section in the same size as the diameter of the through-hole (1a) and a small-diameter section in the same size as the outer diameter of the rivet pin (3) at the same positions as the multiple through-holes (1a) of the steel plate laminate (1). The tubular members (2) are locked to the step sections of the stepped through-holes at both ends, and the rivet pins (3) bind the steel plate laminate (1) and the end plates (4) together.
Description
Technical field
The present invention relates to that rotor core as motor, stator core used steel plate is stacked and the laminate core that forms.
Background technology
Current, disclose following stator core (for example, with reference to patent documentation 1), it has: duplexer, this duplexer is stacked and form by having a plurality of through holes and having the core material multi-disc of bolt hole in the both sides of this through hole, bundle closes cylindrical shell, it is by being inserted into described through hole softened, thereby bundle between described core material is closed, the both ends of protruding from described duplexer of closing cylindrical shell at described bundle form its part or all softened anti-shedding part diametrically, and on this anti-shedding part, utilize tabular drift to carry out Pressing Deformation and form Pressing Deformation portion, bundle between described multi-disc core material is closed and temporarily fix, described duplexer is accommodated in housing with temporarily fixing state, and bolt is inserted into described bolt hole and described duplexer is fixed on this housing.
Patent documentation 1: TOHKEMY 2011-19400 communique
Summary of the invention
Yet, according to above-mentioned prior art, a plurality of through holes are set on duplexer, and in the both sides of through hole, bolt hole are set, bundle is closed to cylindrical shell and bolt is inserted into different holes and duplexer bundle is closed.Therefore, the quantity that is arranged at the hole on duplexer becomes many, exists the magnetic permeability of duplexer is caused to dysgenic problem.In addition, about above-mentioned prior art, owing to utilizing bolt that duplexer is fixed on housing, therefore, existence can not be applicable to the rotor of motor, and only can be applicable to the problem of stator.
The present invention In view of the foregoing proposes, its object is to obtain a kind of laminate core of motor, this laminate core can reduce the quantity in the required hole of parts that steel plate duplexer bundle is closed and reduce the harmful effect to magnetic permeability, and can revise and improve stacked precision the stacked deviation of stacked steel plate, can either also can be used in stator for rotor.
In order to solve above-mentioned problem and to realize object, the invention is characterized in to have: steel plate duplexer, it is laminated the ring-type steel plate multi-disc that is provided with a plurality of through holes; Cartridge, it is inserted into described through hole; And rivet pin, it is inserted into described cartridge, and this cartridge is carried out hole enlargement and this cartridge is pressed on described through hole, and the caulking part of this rivet pin front end is riveted and described steel plate duplexer bundle is closed.
The effect of invention
The laminate core of motor involved in the present invention has the high effect of high, the stacked precision of magnetic permeability.Its result, if for stator, increases with the contact area of housing, and cooling performance is improved, if for rotor, can reduce initial unbalance,, has advantage when High Rotation Speed.
Accompanying drawing explanation
Fig. 1 means the cutaway view of rotor core of execution mode 1 of the laminate core of motor of the present invention.
Fig. 2 is the enlarged drawing of the caulking part of Fig. 1.
Fig. 3 means the exploded perspective view of the rotor core of execution mode 1.
Fig. 4 means the cutaway view of balance ring.
Fig. 5 means the oblique view of the cartridge of execution mode 1.
Fig. 6 means the partial sectional view of the 1st operation that the rotor core of execution mode 1 is manufactured.
Fig. 7 means the partial sectional view of the 2nd operation that the rotor core of execution mode 1 is manufactured.
Fig. 8 means the partial sectional view of the 3rd operation that the rotor core of execution mode 1 is manufactured.
Fig. 9 means the oblique view of the cartridge of execution mode 2.
Figure 10 means the oblique view of the cartridge of execution mode 3.
Figure 11 means the oblique view of the cartridge of execution mode 4.
Figure 12 means the exploded perspective view of stator core of execution mode 5 of the laminate core of motor of the present invention.
Embodiment
Below, based on accompanying drawing, explain the execution mode of the laminate core of motor involved in the present invention.In addition, the present invention is not limited to present embodiment.
Execution mode 1.
Fig. 1 means the cutaway view of rotor core of execution mode 1 of the laminate core of motor of the present invention, Fig. 2 is the enlarged drawing of the caulking part of Fig. 1, Fig. 3 means the exploded perspective view of the rotor core of execution mode 1, Fig. 4 means the cutaway view of balance ring, and Fig. 5 means the oblique view of the cartridge of execution mode 1.
As shown in Fig. 1～Fig. 5, laminate core as the motor of execution mode 1, rotor core 91 has: steel plate duplexer 1, and it is laminated the silicon steel plate multi-disc as be equally spaced provided with the ring-type steel plate of a plurality of (8) through hole 1a on same circumference; Cartridge 2, it is inserted into through hole 1a; Rivet pin 3, it is inserted into cartridge 2, and cartridge 2 is carried out to hole enlargement and cartridge 2 is upper by being pressed in through hole 1a, and the caulking part 3b of rivet pin 3 front ends is riveted and steel plate duplexer 1 bundle is closed.
In execution mode 1, the diameter of rivet pin 3 is 8 Ф.Motor line be from low capacity to jumbo situation, the diameter of rivet pin 3 is fixed as 8 Ф, as long as change matchingly the external diameter of cartridge 2 with the internal diameter that becomes the through hole 1a of large steel plate duplexer 1 corresponding to the capacity of motor.
In the central authorities of steel plate duplexer 1, be provided with the axis hole 1b chimeric with rotating shaft (not shown).In addition, at the outer circumferential side of through hole 1a, the permanent magnet that is provided with in the form of a ring 8 slit-shaped is imbedded hole 1e.Cartridge 2 and rivet pin 3 are ferrous metal system.In cartridge 2, in order to adjust the elasticity of compression coefficient of wall thickness direction, be provided with in the axial direction a plurality of slit 2a (with reference to Fig. 5).
As the balance ring 4 of the end plate of ring-type, be configured in the both ends of steel plate duplexer 1, this balance ring 4 has step through-hole 4a on the position identical with a plurality of through hole 1a of steel plate duplexer 1, its large-diameter portion 4b is identical with through hole 1a diameter, and the diameter of minor diameter part 4c is identical with the external diameter of rivet pin 3.In the centre of balance ring 4, be provided with the hole 4g that internal diameter is larger than the axis hole 1b of steel plate duplexer 1.
The both ends of cartridge 2 are limited to the stage portion 4d of step through-hole 4a, and rivet pin 3 utilizes head 3a and caulking part 3b that steel plate duplexer 1 and balance ring (end plate) 4 bundles are closed.
Next, the manufacture method of rotor core of the motor of execution mode 1 is described.Fig. 6 means the partial sectional view of the 1st operation that the rotor core of execution mode 1 is manufactured, Fig. 7 means the partial sectional view of the 2nd operation that the rotor core of execution mode 1 is manufactured, and Fig. 8 means the partial sectional view of the 3rd operation that the rotor core of execution mode 1 is manufactured.
As shown in Figure 6, in the 1st operation, balance ring 4 is configured in to one end of steel plate duplexer 1.Now, the large-diameter portion 4b side of step through-hole 4a and one end butt of steel plate duplexer 1, be communicated with through hole 1a and step through-hole 4a.Then, from another of steel plate duplexer 1 is distolateral, cartridge 2 is inserted to through hole 1a, make the front end of cartridge 2 be limited to the stage portion 4d of the step through-hole 4a of balance ring 4.
The internal diameter of the large-diameter portion 4b of the through hole 1a of steel plate duplexer 1 and the step through-hole 4a of balance ring 4 and the external diameter of cartridge 2, be to make with the dimensional tolerance of the movable fit of 0.2～0.3mm, and cartridge 2 can easily insert through hole 1a.
Below, as shown in Figure 7, in the 2nd operation, another balance ring 4 is configured in to another of steel plate duplexer 1 with the large-diameter portion 4b side of step through-hole 4a relatively towards another distolateral mode of steel plate duplexer 1 distolateral, and by rivet pin 3 through the step through-hole 4a of balance ring 4 and insert cartridge 2.
The internal diameter of the external diameter of rivet pin 3 and cartridge 2, to make with the chimeric dimensional tolerance of the interference of 0.3～0.4mm, in the 2nd operation, rivet pin 3 is by cartridge 2 hole enlargements, and the large-diameter portion 4b to the through hole 1a of steel plate duplexer 1 and the step through-hole 4a of balance ring 4 presses by the peripheral part of cartridge 2.Utilize this to press effect, the stacked deviation of the steel plate of correction steel plate duplexer 1 and balance ring 4 are with respect to the deviation of steel plate duplexer 1, and stacked precision improves.
Below, as shown in Figure 8, in the 3rd operation, if chimeric by making at the other end of cartridge 2 of another distolateral protrusion and the large-diameter portion 4 of the step through-hole 4a of balance ring 4 of steel plate duplexer 1, rivet pin 3 is pressed into till head 3a and balance ring 4 butts, and the caulking part 3b of front end is riveted, thereby steel plate duplexer 1 and balance ring 4 bundles are closed, complete the rotor core 91 of the motor of execution mode 1.The adjustment of the spin balancing of rotor core 91, can be undertaken by following manner: utilize the position of the balance ring 4 that bores the centre-of gravity shift direction of pruning, or with spaced set, have adjustment screw hole in advance on balance ring 4, at lighter side's mounting screw.
Execution mode 2.
Fig. 9 means the oblique view of the cartridge of execution mode 2.As shown in Figure 9, the cartridge 22 of execution mode 2 forms, and a slit 2a is set in the axial direction, and cross section is C font.The cartridge 22 of execution mode 2 is made easily, can make with low cost.
Execution mode 3.
Figure 10 means the oblique view of the cartridge of execution mode 3.As shown in figure 10, the cartridge 32 of execution mode 3 forms network structure.The cartridge 32 of execution mode 3 can reduce the elasticity of compression coefficient of wall thickness direction, can reduce the insertion resistance of rivet pin 3.
Execution mode 4.
Figure 11 means the oblique view of the cartridge of execution mode 4.As shown in figure 11, the cartridge 42 of execution mode 4 forms the screw winding structure of elongated board.About the cartridge 42 of execution mode 4, without utilizing tubing, can make the cartridge of arbitrary diameter.
Execution mode 5.
Figure 12 means the exploded perspective view of stator core of execution mode 5 of the laminate core of motor of the present invention.As shown in figure 12, as the laminate core of the motor of execution mode 5, stator core 95 has: steel plate duplexer 51, and it is laminated the silicon steel plate multi-disc as be equally spaced provided with the ring-type steel plate of a plurality of (4) through hole 51a on same circumference; Cartridge 2, it is inserted into through hole 51a; Rivet pin 3, it is inserted into cartridge 2, and cartridge 2 is carried out hole enlargement and cartridge 2 is pressed into through hole 51a above, and the caulking part 3b of rivet pin 3 front ends is riveted and steel plate duplexer 51 bundles is closed.
Centre at steel plate duplexer 51 is provided with large footpath hole 51b, in the large not shown rotor core of footpath hole 51b internal configurations.Along large footpath hole 51b, be provided with a plurality of groove 51f of the not shown winding of package.
The end plate 4 of ring-type is configured in the both ends of steel plate duplexer 51, the end plate 4 of this ring-type is on the position identical with a plurality of through hole 51a of steel plate duplexer 51, there is step through-hole 4a as shown in Figure 4, its large-diameter portion 4b is identical with through hole 51a diameter, and the diameter of minor diameter part 4c is identical with the external diameter of rivet pin 3.In the centre of end plate 4, be provided with internal diameter than hole, the large footpath 51b great hole 4g of steel plate duplexer 51.
The both ends of cartridge 2 are limited to the stage portion 4d (with reference to Fig. 4) of step through-hole 4a, and rivet pin 3 utilizes head 3a and caulking part 3b that steel plate duplexer 51 and end plate 4 bundles are closed.The stator core 95 of the motor of execution mode 5 can utilize the manufacture method identical with the manufacture method of the rotor core 91 of the motor shown in Fig. 6～Fig. 8 to manufacture.In addition, can utilize the cartridge 22,32,42 shown in Fig. 9～Figure 11 to replace cartridge 2.
As described above, the rotor core 91 of execution mode 1 and the stator core 95 of execution mode 5, owing to being arranged at, the quantity of through hole 1a, 51a on steel plate duplexer 1,51 is few, so magnetic permeability is high.In addition, in being inserted into the cartridge 2 of through hole 1a, 51a, insert rivet pin 3, cartridge 2 is carried out hole enlargement and cartridge 2 is pressed on through hole 1a, 51a, the stacked deviation of the steel plate of steel plate duplexer 1,51 and balance ring 4 are revised with respect to the deviation of steel plate duplexer 1,51, therefore there is the effect that stacked precision is high.Its result, stator core 95 increases with the contact area of housing, and cooling performance improves, and rotor core 91 can reduce initial unbalance,, has advantage when High Rotation Speed.
The explanation of label
1,51 steel plate duplexers
1a, 51a through hole
1b axis hole
1e permanent magnet is imbedded hole
Hole, the large footpath of 51b
51f groove
2,22,32,42 cartridges
2a slit
3 rivet pins
3a head
3b caulking part
4 balance rings (end plate)
4a step through-hole
4b large-diameter portion
4c minor diameter part
4d stage portion
4g hole
The rotor core of 91 motor (laminate core of motor)
The stator core of 95 motor (laminate core of motor).
Claims (8)
1. a laminate core for motor, is characterized in that, has:
Steel plate duplexer, it is laminated the ring-type steel plate multi-disc that is provided with a plurality of through holes;
Cartridge, it is inserted into described through hole; And
Rivet pin, it is inserted into described cartridge, and this cartridge is carried out hole enlargement and this cartridge is pressed on described through hole, and the caulking part of this rivet pin front end is riveted and described steel plate duplexer bundle is closed.
2. the laminate core of motor according to claim 1, is characterized in that,
The end plate of ring-type is disposed at the both ends of described steel plate duplexer, the end plate of this ring-type has step through-hole on the position identical with a plurality of through holes of described steel plate duplexer, the large-diameter portion of this step through-hole is identical with described through-hole diameter, the diameter of minor diameter part is identical with the external diameter of described rivet pin, the both ends of described cartridge are limited to the stage portion of described step through-hole, and described rivet pin closes described steel plate duplexer and end plate bundle.
3. the laminate core of motor according to claim 2, is characterized in that,
The laminate core of described motor is the rotor core of motor.
4. the laminate core of motor according to claim 3, is characterized in that,
Described end plate is balance ring.
5. the laminate core of motor according to claim 1 and 2, is characterized in that,
The laminate core of described motor is the stator core of motor.
6. the laminate core of motor according to claim 1, is characterized in that,
Described cartridge is provided with one or more slits in the axial direction.
7. the laminate core of motor according to claim 1, is characterized in that,
Described cartridge forms network structure.
8. the laminate core of motor according to claim 1, is characterized in that,
Described cartridge forms the screw winding structure of elongated board.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2011/080480 WO2013099012A1 (en) | 2011-12-28 | 2011-12-28 | Laminated core for electric motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103959605A true CN103959605A (en) | 2014-07-30 |
| CN103959605B CN103959605B (en) | 2017-09-08 |
Family
ID=48696571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180074952.2A Expired - Fee Related CN103959605B (en) | 2011-12-28 | 2011-12-28 | The laminate core of motor |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5638705B2 (en) |
| CN (1) | CN103959605B (en) |
| DE (1) | DE112011106069T5 (en) |
| TW (1) | TWI465005B (en) |
| WO (1) | WO2013099012A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106797166A (en) * | 2014-09-15 | 2017-05-31 | 费博股份有限公司 | For the motor of the pumping components of the smoke exhaust ventilator of performance enhancement |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103457420B (en) * | 2013-08-22 | 2015-07-08 | 宁波菲仕运动控制技术有限公司 | Servo motor rotor core riveting tool |
| CN103706751A (en) * | 2013-12-31 | 2014-04-09 | 泰信电机(苏州)有限公司 | Device for riveting motor rotor core |
| JP6612713B2 (en) * | 2016-10-27 | 2019-11-27 | トヨタ自動車株式会社 | Assembly method of magnetized yoke |
| JP7147629B2 (en) * | 2019-02-25 | 2022-10-05 | 株式会社デンソー | Armature and rotating electric machine |
| DE102022129147A1 (en) | 2022-11-04 | 2024-05-08 | Audi Aktiengesellschaft | Method for producing a rotor for an electrical machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63217941A (en) * | 1987-03-05 | 1988-09-12 | Hitachi Ltd | Rotor for rotary electric machine |
| JP2000184645A (en) * | 1998-12-18 | 2000-06-30 | Calsonic Kansei Corp | Motor |
| JP2004080950A (en) * | 2002-08-21 | 2004-03-11 | Sankyo Seiki Mfg Co Ltd | Armature of dynamo-electric machine |
| JP2006187063A (en) * | 2004-12-27 | 2006-07-13 | Nissan Motor Co Ltd | Rotor structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5960840U (en) * | 1982-10-14 | 1984-04-20 | 松下電器産業株式会社 | small electric motor |
| JPH0510524Y2 (en) * | 1988-06-24 | 1993-03-15 | ||
| CN101443982B (en) * | 2005-05-12 | 2012-10-31 | Lg电子株式会社 | Rotor of synchronous reluctance motor |
-
2011
- 2011-12-28 DE DE112011106069.6T patent/DE112011106069T5/en not_active Withdrawn
- 2011-12-28 CN CN201180074952.2A patent/CN103959605B/en not_active Expired - Fee Related
- 2011-12-28 WO PCT/JP2011/080480 patent/WO2013099012A1/en active Application Filing
- 2011-12-28 JP JP2013551145A patent/JP5638705B2/en not_active Expired - Fee Related
-
2012
- 2012-04-18 TW TW101113722A patent/TWI465005B/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63217941A (en) * | 1987-03-05 | 1988-09-12 | Hitachi Ltd | Rotor for rotary electric machine |
| JP2000184645A (en) * | 1998-12-18 | 2000-06-30 | Calsonic Kansei Corp | Motor |
| JP2004080950A (en) * | 2002-08-21 | 2004-03-11 | Sankyo Seiki Mfg Co Ltd | Armature of dynamo-electric machine |
| JP2006187063A (en) * | 2004-12-27 | 2006-07-13 | Nissan Motor Co Ltd | Rotor structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106797166A (en) * | 2014-09-15 | 2017-05-31 | 费博股份有限公司 | For the motor of the pumping components of the smoke exhaust ventilator of performance enhancement |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013099012A1 (en) | 2013-07-04 |
| CN103959605B (en) | 2017-09-08 |
| TWI465005B (en) | 2014-12-11 |
| DE112011106069T5 (en) | 2014-09-11 |
| JP5638705B2 (en) | 2014-12-10 |
| JPWO2013099012A1 (en) | 2015-04-30 |
| TW201328124A (en) | 2013-07-01 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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