CN103683724B - Laminated iron core manufacturing method and device - Google Patents
Laminated iron core manufacturing method and device Download PDFInfo
- Publication number
- CN103683724B CN103683724B CN201310430344.1A CN201310430344A CN103683724B CN 103683724 B CN103683724 B CN 103683724B CN 201310430344 A CN201310430344 A CN 201310430344A CN 103683724 B CN103683724 B CN 103683724B
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- thin plate
- determination
- profile
- unshakable
- laminate core
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/06—Magnetic cores, or permanent magnets characterised by their skew
Abstract
The invention provides a laminated iron core manufacturing method and device. The laminated iron core can be formed by stacking a plurality of iron core thin plates with irregular shapes such as petals in a twisted and inclined manner. The method includes a pushing-back procedure of pushing back the iron core thin plates after blanking or semi-blanking along the shape (h3) from strip material conveyed in an intermittent manner; a blanking procedure of blanking the iron core thin sheets (2) from the strip material (W) and separating them; and a stacking procedure of stacking the iron core thin plates (2) for forming the lamination body. The pushing-back procedure is configured for obtaining different shapes (h3) through changing rotation predetermined angles (alpha) by taking the central position of the iron core thin plate (2) as a reference.
Description
Technical field
The present invention relates to abnormity will be waited with petal（It is non-circular）Profile the multiple iron core layer that is laminated of thin plates
The manufacture method and laminate core manufacture device of laminated core.
Background technology
In the past, it is known that in the motor of permanent magnet excitation formula, for the purpose of reducing cogging torque, will be used in rotor
Laminate core（Thin plate unshakable in one's determination）Profile be arranged to petal（With reference to patent document 1）.In the existing motor, by layer
Folded thin plate unshakable in one's determination reverses to apply predetermined skew angle, also, by should the magnetized ring-type of skew angle permanent magnet
The inner side of rotor is flush-mounted in, reduction and the reduction in assembling man-hour thus, it is possible to realize cogging torque.
Patent document 1：No. 4080273 publications of Japanese Patent
But, in above-mentioned patent document 1 in the prior art, although used the stacking iron of the skew angle for being endowed predetermined
The heart（Rotor）But, the operation that the thin plate unshakable in one's determination to being laminated is reversed is not easy to, and additionally, there are and is difficult to accurately set
Determine problem as skew angle.Particularly, with the inner side that permanent magnet is flush-mounted in rotor as above-mentioned prior art（Cylinder
Shape hole）Structure it is different, permanent magnet is being flush-mounted in the structure of the multiple magnet mounting holes set around the axis hole of rotor
In, making the thin plate skew unshakable in one's determination of stacking becomes more difficult.
The content of the invention
The present invention be in view of the problem of such prior art and propose, its object is to provide a kind of laminate core
Manufacture method and laminate core manufacture device, can easily realize will be unshakable in one's determination thin with the petal multiple for waiting special-shaped profile
The laminate core that plate is laminated with skew state.
1st aspect of the invention is a kind of manufacture method of laminate core 1, and the laminate core 1 is by with non-circular
The multiple iron core thin plate 2 of profile h3 is laminated, and the manufacture method of the laminate core is characterised by, the laminate core 1
Manufacture method have：Push back operation（Operation（5））, from the banding sheet metal W of intermittent delivery along the profile punching or
Partly it is punched out after the thin plate unshakable in one's determination, the thin plate unshakable in one's determination is pushed back；Blank operation（Operation（6））, from the strip-shaped thin steel
The thin plate unshakable in one's determination is punched out in plate and the thin plate unshakable in one's determination is separated；And lamination process（Operation（7））, the iron core is thin
Flaggy is folded and forms layered product 3, predetermined based on making profile configure rotation every time on the basis of the center C of the thin plate unshakable in one's determination
Multiple different profiles configurations obtained from angle [alpha] are implemented described to push back operation.
In the manufacture method of the laminate core of the 1st aspect, matched somebody with somebody based on profile obtained from rotation predetermined angular every time
Put to implement to push back operation, thereby, it is possible to be easily manufactured by with non-circular（It is petal etc.）Profile multiple it is unshakable in one's determination
The laminate core that thin plate is laminated with skew state.
At the of the invention 2nd aspect, it is characterised in that in terms of the above-mentioned 1st, in the blank operation, along facing
When profile h4 be punched out the thin plate unshakable in one's determination, the interim profile h4 is inside comprising the circular or outer of the non-circular profile
It is connected to the circle of the profile.
In the manufacture method of the laminate core of the 2nd aspect, by circular interim profile, can using it is existing with
Thin plate identical mechanism unshakable in one's determination with circular profile（Punch die and extrusion ring with columnar inner peripheral surface etc.）To implement tool
There is the lamination process of the multiple iron core thin plate of non-circular profile.In this case, what is formed around laminate core is useless
Material portion（Part between the profile and interim profile of non-circular thin plate unshakable in one's determination）It is and laminate core interim combination（It is chimeric）'s
State, therefore, it is possible to be easily removed using instrument etc..
At the of the invention 3rd aspect, it is characterised in that in terms of the above-mentioned 1st or the 2nd, also with magnet mounting hole shape
Into operation, the magnet mounting hole formation process it is described push back operation before implement, in the magnet mounting hole formation process, shape
Into the multiple magnet mounting hole h1 for being embedded in permanent magnet respectively after stacking.
In the manufacture method of the laminate core of the 3rd aspect, the multiple magnet for being embedded in permanent magnet are being provided with
In the laminate core of the structure of mounting hole, can easily apply predetermined skew angle, without adding to magnet mounting hole
Work and configuration produce influence.
At the of the invention 4th aspect, it is characterised in that in terms of the above-mentioned 1st, the non-circular profile is in described
Rotationally symmetrical shape on the basis of the center of thin plate unshakable in one's determination.
In the manufacture method of the laminate core of the 4th aspect, equalization can be applied to layered product in lamination process
Side pressure such that it is able to make the thin plate unshakable in one's determination in layered product combine well each other by riveting or bonding.
5th aspect of the invention is a kind of manufacture device 10 for manufacturing laminate core 1, and the laminate core 1 is by having
The multiple iron core thin plate 2 for having non-circular profile h3 is laminated, it is characterised in that the manufacture device 10 has：Push back portion,
From the banding sheet metal of intermittent delivery along the profile be punched or be partly punched out after the thin plate unshakable in one's determination, it is described to push back portion
The thin plate unshakable in one's determination is pushed back；Punching portion, the punching portion is punched out the thin plate unshakable in one's determination and makes the thin plate unshakable in one's determination from described
Banding sheet metal is separated；And laminated section, the thin plate stacking unshakable in one's determination is formed layered product by the laminated section, described to push back portion
Have：Drift P5 and punch die D5, they implement the punching or half punching of the thin plate unshakable in one's determination along the profile；And rotating mechanism
21, in order to make each rotation displacement predetermined angular of the configuration of the profile, institute on the basis of the center of the thin plate unshakable in one's determination
Stating rotating mechanism 21 rotates the drift and the punch die.
（Invention effect）
So, according to the present invention, excellent effect as follows is played：Can easily realize will be with petal etc. different
The laminate core that the multiple iron core thin plate of shape profile is laminated with skew state.
Brief description of the drawings
Fig. 1 is the figure of the strip stock layout of the manufacture method of the laminate core for showing application implementation mode.
Fig. 2's（A）With（B）It is the laminate core for showing to be produced using the manufacture method of the laminate core of implementation method
The stereogram of the example of skew.
Fig. 3 is the explanatory diagram of the separation circuit for showing the scrap portion in layered product.
Fig. 4 is the sketch structure figure of the leapfrog die device of implementation method.
Fig. 5 is to show operation（5）In be arranged at drift cutter structure schematic diagram.
Fig. 6 is to show to schematically illustrate figure using the cutter formation notch shown in Fig. 6.
Fig. 7's（A）~（D）It is that operation is shown（5）In drift and punch die spinning movement explanatory diagram.
Fig. 8 is the figure of the variation for showing the strip stock layout shown in Fig. 1.
Label declaration
1：Laminate core；
2：Thin plate unshakable in one's determination；
10：Leapfrog（Cis send り）Die device（Laminate core manufacture device）；
21：Rotating mechanism；
D1~D6：Punch die；
h1：Magnet mounting hole；
h2：Rotor shaft hatch；
h3：Profile；
h4：Temporarily（dummy）Profile；
k1：Riveting dip hatch；
k2：Riveting projection；
p：Pilot hole；
P1~P6：Drift；
S：Scrap portion；
W：Band（Banding sheet metal）.
Specific embodiment
Hereinafter, embodiments of the present invention are illustrated referring to the drawings.
Fig. 1 is the figure of the strip stock layout for showing the manufacture method using the laminate core of embodiments of the present invention, and Fig. 2 is
The stereogram of the example of the skew of laminate core for producing is shown, Fig. 3 is the separation circuit for showing the scrap portion in layered product
Explanatory diagram.
As shown in figure 1, laminate core 1（Fig. 2 references）Manufacturing process it is main by the band to electromagnetic steel plate（Strip-shaped thin steel
Plate）The following each operation that W is implemented is constituted：（1）The punch press process of pilot hole p；（2）The punch press process of magnet mounting hole h1（Magnet
Mounting hole formation process）；（3）Riveting（カシメ）The punch press process of dip hatch k1；（4）Afterwards for the armature spindle insertion of motor etc.
Rotor shaft hatch h2 punching and cutting out for riveting projection k2 erect processing；（5）The punching of the profile h3 of thin plate unshakable in one's determination 2 or half punching
Cut out and push back（push back）Processing（Push back operation）；（6）The punch press process of the interim profile h4 of thin plate unshakable in one's determination 2（Punching work
Sequence）；And（7）The stacking of thin plate unshakable in one's determination 2（Lamination process）.Also, operation（I1）~operation（I3）It is standby（idle）Operation.
In operation（2）In, form multiple（Here, being 4）Magnet mounting hole h1, the magnet mounting hole h1 are in layer
Poststack is embedded in permanent magnet respectively.Each magnet mounting hole h1 is formed as rectangular-shaped, and is circumferentially equally spaced being configured to from outer
Gusset is wound on follow-up operation（4）The rotor shaft hatch h2 of middle formation.In addition, on the magnet mounting hole formed in thin plate unshakable in one's determination 2
Shape, quantity and configuration, be not limited to situation shown here, various changes can be carried out.
In operation（3）In, to the thin plate unshakable in one's determination 2 of metering（That is, laminate core 1 positioned at undermost thin plate unshakable in one's determination）Shape
Into riveting dip hatch k1.Riveting dip hatch k1 between magnet mounting hole h1 adjacent to each other circumferentially be equally spaced configured to from
Outside is centered around follow-up operation（4）The rotor shaft hatch h2 of formation.Every pre-determined number（Such as 50 times）To form the riveting meter
Metering-orifice k1, thus determines the stacking number of laminate core 1.On the other hand, the thin plate unshakable in one's determination 2 beyond being used for metering, in work
Sequence（4）It is middle to form riveting projection k2.Be set as the intrusion of drift P3 relative to band by being formed by of riveting projection k2
The predetermined ratio of the thickness of slab of material W is carried out.In addition, for above-mentioned operation（2）~（4）, arbitrarily order change can perform.
In operation（5）In, along the non-circular of thin plate unshakable in one's determination 2（Abnormity）Profile punching or be partly punched out thin plate unshakable in one's determination
After 2, thin plate unshakable in one's determination 2 is pushed back.Here, the predetermined ratio by the way that the intrusion of drift P5 to be set as the thickness of slab relative to band W
Example is punched along profile h3 or is partly punched out thin plate unshakable in one's determination 2, then, will be punched or half part being punched pushes back and pushes back
To band W.Thus, thin plate unshakable in one's determination 2 is embedded in the hole of band W in the state of being cut off along profile（Profile h3）.
The operation（5）（In the lump with reference to operation（I2）, operation（I3）, operation（6））By for each being punched out successively
The profile h3 of the different angles of thin plate 2a~2d unshakable in one's determination configures to implement.Here, operation（6）The thin plate 2a's unshakable in one's determination of shown the 1st
Profile h3 is configured to centered on the center of thin plate 2a unshakable in one's determination from reference position anglec of rotation α in the counterclockwise direction.Next, work
Sequence（I3）The profile h3 of the shown 2nd thin plate 2b unshakable in one's determination is configured to from the 1st thin plate 2a unshakable in one's determination anglec of rotation α in the counterclockwise direction
（That is, it is configured to from the reference position α of the anglec of rotation 2 in the counterclockwise direction）.Next, operation（I3）The thin plate unshakable in one's determination of shown the 3rd
The profile h3 of 2c is configured to from the 2nd thin plate 2b unshakable in one's determination anglec of rotation α in the counterclockwise direction（That is, it is configured to from reference position along inverse
The α of the clockwise anglec of rotation 3）.And then, next,（5）The profile h3 of the thin plate 2d unshakable in one's determination of shown the 4th is configured to unshakable in one's determination from the 3rd
Thin plate 2c anglec of rotation α in the counterclockwise direction（That is, it is configured to from the reference position α of the anglec of rotation 4 in the counterclockwise direction）.
So, based on revolving profile on the basis of the center C of thin plate unshakable in one's determination 2 respectively by each of which operation
Turn multiple different profile configurations obtained from predetermined angle to implement operation（5）.Thereby, it is possible to apply pre- to laminate core 1
Fixed skew angle（It is herein 3 α）, without to other holes（Magnet mounting hole h1 etc.）Processing and configuration produce influence.But
Be, on magnet mounting hole h1, riveting dip hatch k1, riveting projection k2, no matter operation（5）In profile how to rotate, in iron
Identical position is formed in heart thin plate 2 respectively.In addition, here, for convenience of description, to being configured with the different anglecs of rotation
Thin plate 2a~the 2d unshakable in one's determination of 4 of profile is shown, but in terms of practicality, is processed using the more small anglec of rotation
Go out the thin plate more unshakable in one's determination with different configuration of profile.In addition, the α of skew angle 3 is set to 15 ° herein, but it is not limited to
This, can suitably be changed.
The profile h3 of thin plate unshakable in one's determination 2 has such shape：To 4 circular arcs of the convex same shape of radial outside
The shape that two ends interconnect（4 petal）.On profile h3, as long as at least non-circular, various changes can be carried out,
It is not limited to the shape being shown in which.
In operation（6）In, it is punched out thin plate unshakable in one's determination 2 along interim profile h4.Interim profile h4 be formed as with it is non-circular
Profile h3 is with one heart and inside includes the circle of profile h3.Thus, thin plate unshakable in one's determination 2 is with final unwanted scrap portion S（I.e., temporarily
Region between profile h4 and profile h3）The state for remaining in surrounding is punched, and in operation（7）Middle holding state tegillum
It is folded.Operation（7）In, the convex portion for being punched the riveting projection k2 of the thin plate unshakable in one's determination 2 for obtaining is embedded into the riveting of the thin plate unshakable in one's determination 2 of downside
The recess of projection k2 is connect, thus, riveting combination is carried out successively.Finally, made by being formed with the thin plate unshakable in one's determination 2 of riveting dip hatch k1
Separated between thin plate unshakable in one's determination 2, so as to form the layered product 3 of the thin plate unshakable in one's determination 2 for having predetermined number fastened to each other.In addition, for facing
When profile h4, however it is not limited to shape of the inside comprising profile h3, for example, can also be the circle for being external in profile h3.
By above-mentioned operation（1）~（7）Scrap portion S is remained in the layered product 3 for obtaining.But, as described above, waste material
Portion S is in the state cut off along the profile of thin plate unshakable in one's determination 2, therefore, it is possible to use predetermined dismounting instrument（It is not shown）
Deng scrap portion S is easily removed from laminate core 1 as shown in Figure 3.As in detailed description below, in operation（5）In, bow
During depending on observation, being formed in scrap portion S has multiple groove of the notch N for radially extending, and can be starting point by scrap portion with each groove of the notch N
S cuts off.
Although eliminating diagram in figure 3, by removing scrap portion S, it is obtained in that such as Fig. 2（A）、（B）As shown in
The laminate core 1 for being attached with skew.Fig. 2's（A）Shown laminate core 1 is in operation（5）It is middle to apply pre- to a direction
The example of fixed skew angle, Fig. 2's（B）Shown laminate core is to make the applying direction of skew angle in its thickness direction
Reverse in centre position（That is, invert the direction of rotation of servo motor described later 24）V word skews example.Laminate core 1 exists
Used in the rotor of the electric rotating machine of permanent magnet excitation formula.
Fig. 4 is the sketch structure figure of the leapfrog die device of the manufacture method using the laminate core of implementation method, and Fig. 5 is
Operation is shown（5）In be arranged at drift cutter structure schematic diagram, Fig. 6 be show using cutter formed notch signal
Property explanatory diagram, Fig. 7 is to show operation（5）In drift and punch die spinning movement explanatory diagram.
Leapfrog die device（Laminate core manufacture device）10 is to carry out punching press to the band W in intermittent delivery to device to add
The device of work, it mainly possesses：It is installed on the drift P1~P6 of mould 11；In the punch die that lower mould 12 corresponding with upper mould 11 is installed
D5、D6（Illustrate only the punch die of a part）；And make the stripper 13 that the band W after punch press process from drift separate.
Here, the mark in Fig. 4（1）~（7）Each several part correspond to Fig. 1 shown in each operation（1）~（7）, by each
Drift and corresponding punch die in part implement the processing such as punching.In leapfrog die device 10, for example, in Fig. 4
（5）Drift P5, punch die D5, rotating mechanism 21, concora crush part 27 and spring 28 constitute and push back portion, along profile h3 punchings or
After being partly punched out thin plate unshakable in one's determination 2, this pushes back portion and pushes back thin plate unshakable in one's determination 2, in Fig. 4（6）Drift P6 and punch die D6 constitute punching
Sanction portion, the punching portion is punched out thin plate unshakable in one's determination 2 and it is separated from band W, further, in Fig. 4（7）Extrusion ring 36 constitute layer
Thin plate unshakable in one's determination 2 is riveted combination and forms layered product 3 by folded portion, the laminated section.
In fig. 4, in operation（5）The middle drift P5 for using and punch die D5 is arranged to be rotated by rotating mechanism 21, by
This, can as described above change the configuration of the profile of thin plate unshakable in one's determination 2.Rotating mechanism 21 has：Band 23, it is wound on for protecting
Hold around the die holder 22 of punch die D5；Servo motor 24, it drives the band 23；And guiding pin 26, it will be used to keep drift
The nest plate 25 and die holder 22 of P5 link.In upper mould 11（Drift P5）During decline（When punching or half punch press process）, guide pin 26
Lower end be inserted into the bullport 30 of die holder 22.In addition, being provided with the concora crush part 27 for implementing to push back in punch die D5.Concora crush
Part 27 has the flat top abutted with half blanking portion and a bottom being connected with spring 28, concora crush part 27 by with its under
The spring 28 of portion's connection is upward（The direction of drift P5）Force.The thin plate each unshakable in one's determination 2 for obtaining will be partly punched using the active force
Push back.
Also, drift P5, punch die D5 peace splenium part 27 has the profile h3 identical profiled shapes with thin plate unshakable in one's determination 2.
In addition, die holder 22 and nest plate 25 are held in upper mould 11 and lower mould 12 via bearing etc. in the way of it can rotate respectively.
In addition, as shown in figure 5, being provided with multiple cutters 29 in the side of drift P5, these cutters 29 are used in operation（5）
In form groove of the notch N in the upper surface side of thin plate unshakable in one's determination 2（Reference picture 3）.In the profile of drift P5, each cutter 29 is respectively configured
In to the convex position of radial outside, thus, as shown in figure 3, forming groove of the notch N respectively at the position of the thin-walled of scrap portion S.
Each cutter 29 has the sharp blade 29a for being located at lower end, in operation（5）In, when drift P5 declines, as shown in fig. 6, blade
29a cuts from the upper surface of thin plate unshakable in one's determination 2（That is, the degree through-thickness not being completely severed with scrap portion S cuts）, thus
Form the groove of the notch N of desired depth.Also, shape of the quantity on cutter 29, configuration and blade 29a etc., can be carried out each
Plant change.
In operation（5）In, for example, when Fig. 7's（A）Shown state（This operation（5）In profile configuration）Under
Complete half punch press process（Or push back processing）When, servo motor 24 works, die holder 22（Punch die D5）Connect with via guiding pin 26
The nest plate 25 of knot（Drift P5）Together in the counterclockwise direction the amount of anglec of rotation α and turn into Fig. 7's（B）Shown state（Work
Sequence（5）In next time profile configuration）.Next, when Fig. 7's（B）When completing half punch press process in the state of shown,
Punch die D5 and drift P5 in the counterclockwise direction the amount of anglec of rotation α and turn into Fig. 7's（C）Shown state（Operation（5）In
The profile configuration of 3 times）.Next, when Fig. 7's（C）When completing half punch press process in the state of shown, punch die D5 and drift
P5 in the counterclockwise direction the amount of anglec of rotation α and turn into Fig. 7's（D）Shown state（Operation（5）In the profile of the 4th match somebody with somebody
Put）.
Also, the rotation on drift P5 and punch die D5, in same layered product 3, can reverse direction of rotation, or
Temporarily cease rotation.Thereby, it is possible to change the state of the skew for putting on laminate core 1.In addition, in the operation shown in Fig. 1
（I2）And operation（I3）At least one of in operation, by setting and operation（5）Identical pushes back portion（Concora crush part and spring
Deng）, it is also possible to it is additional to push back function.Thus, even in operation（5）In cannot punching or to be partly punched the part for obtaining complete
In the case of being pressed back into band W, it is also possible to by operation thereafter（I2）And operation（I3）In push back and can by the part
It is pressed back into band W by ground.
In addition, when in operation（6）When middle utilization drift P6 is punched out the interim profile h4 of thin plate unshakable in one's determination 2, in operation（7）
In, thin plate unshakable in one's determination 2 is laminated in the thin plate group 35 unshakable in one's determination being layered in punch die D6, punch die D6 is then pressed into successively
In the extrusion ring 36 of bottom.Here, it is circular by along interim profile h4 being punched thin plate unshakable in one's determination 2, accordingly, for non-
The thin plate unshakable in one's determination 2 of circular profile h3, can use thin plate identical mechanism unshakable in one's determination existing and with circular profile（Punch die
The extrusion ring 36 with columnar inner peripheral surface of D6 bottoms）To implement lamination process.
So, by the manufacture method and leapfrog die device of above-mentioned laminate core, each rotation based on thin plate unshakable in one's determination 2
Profile obtained from predetermined angular configures to implement operation（5）, therefore, it is possible to easily realize by with non-circular（It is petal
Deng）Profile the multiple iron core laminate core 1 that is laminated with skew state of thin plates 2.
Fig. 8 is the figure of the variation for showing the strip stock layout shown in Fig. 1.In above-mentioned example, in operation（6）In, shape
As the structure that thin plate unshakable in one's determination 2 is punched out along circular interim profile h4, but as shown in the variation of Fig. 8, it is also possible to along
In operation（5）In be partly punched and push back the profile h3 of processing and be punched.In this case, the shape of drift P6 can be set
It is set to the inscribed circle of profile h3.Or, it is also possible to by the shape of drift P6 be set as with profile h3 identical shapes, and separately set
Put the rotating mechanism of drift P6.In addition, by being formed as such structure：Make thin plate unshakable in one's determination 2 be formed as be with its center
The rotationally symmetrical shape of benchmark, its maximum diameter portion（Arc sections）Portion suitable with the diameter of extrusion ring 36 contacts, thereby, it is possible in stacking
Impartial side pressure is applied to layered product in operation（It is radially oriented the power of inner side）, in circle（Cylindrical shape）Punch die D6 and extrusion ring
Appropriate side pressure is can also ensure that in 36, so that thin plate unshakable in one's determination is combined well each other.
Based on specific implementation method, the present invention is described, but these implementation methods are only example, the present invention
It is not limited to these implementation methods.For example, in the above-described embodiment, being formed as the knot for making thin plate unshakable in one's determination rivet combination each other
Structure, but it is also possible to be combined by known adhering method.In addition, the laminate core of the invention shown in above-mentioned implementation method
Manufacture method and each structural element of laminate core manufacture device might not all be required, at least without departing from this hair
Bright scope, it becomes possible to suitably carry out choice selection.
Claims (5)
1. a kind of manufacture method of laminate core, the laminate core is by the multiple iron core thin plates stacking with identical profile
Into,
The manufacture method of the laminate core is characterised by,
The profile is non-circular profile,
The manufacture method of the laminate core has：
Push back operation, from the banding sheet metal of intermittent delivery along the profile be punched or be partly punched out the thin plate unshakable in one's determination it
The thin plate unshakable in one's determination is pushed back afterwards；
Blank operation, the thin plate unshakable in one's determination is punched out from the banding sheet metal and makes the thin plate unshakable in one's determination from the strip-shaped thin
Steel plate is separated；And
Lamination process, layered product is formed by the thin plate stacking unshakable in one's determination,
The operation that pushes back is the non-circular profile is rotated every time on the basis of the center of the thin plate unshakable in one's determination
Implement the punching or half punching in multiple different configurations obtained from predetermined angular,
In the lamination process, the thin plate unshakable in one's determination is stacked with skew state corresponding with the predetermined angular.
2. the manufacture method of laminate core according to claim 1, it is characterised in that
In the blank operation, the thin plate unshakable in one's determination is punched out along interim profile, the interim profile is inside comprising institute
The circle for stating non-circular profile or the circle for being external in the profile.
3. the manufacture method of laminate core according to claim 1 and 2, it is characterised in that
The manufacture method of the laminate core also has magnet mounting hole formation process, and the magnet mounting hole formation process is described
Implement before pushing back operation, in the magnet mounting hole formation process, formed for being embedded in permanent magnet respectively after stacking
Multiple magnet mounting holes,
Operation is pushed back described, so that the non-circular profile rotates multiple obtained from predetermined angular different match somebody with somebody every time
Put to implement the punching or described half be punched, the configuration without the magnet mounting hole in the banding sheet metal is produced
Raw influence.
4. the manufacture method of laminate core according to claim 1, it is characterised in that
The non-circular profile pushes back operation in the rotationally symmetrical shape on the basis of the center of the thin plate unshakable in one's determination described
In, the rotation to the non-circular profile is implemented to reverse or is stopped.
5. a kind of laminate core manufacture device, it is the manufacture device for manufacturing laminate core, and the laminate core is by having
The multiple iron core thin plate of identical profile is laminated,
The laminate core manufacture device is characterised by,
The profile is non-circular profile,
The laminate core manufacture device possesses：
Portion is pushed back, after being punched or being partly punched out the thin plate unshakable in one's determination along the profile from the banding sheet metal of intermittent delivery,
The portion that pushes back pushes back the thin plate unshakable in one's determination；
Punching portion, the punching portion is punched out the thin plate unshakable in one's determination and the thin plate unshakable in one's determination is separated from the banding sheet metal；
And
The thin plate stacking unshakable in one's determination is formed layered product by laminated section, the laminated section,
The portion of pushing back has：
Drift and punch die, they implement the punching or half punching of the thin plate unshakable in one's determination along the profile；With
Rotating mechanism, in order to make each rotation displacement of configuration of the profile pre- on the basis of the center of the thin plate unshakable in one's determination
Determine angle, the rotating mechanism rotates the drift and the punch die,
The laminated section makes the thin plate unshakable in one's determination be laminated with skew state corresponding with the predetermined angular.
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| JP2012207948A JP5697637B2 (en) | 2012-09-21 | 2012-09-21 | Laminated core manufacturing method and laminated core manufacturing apparatus |
| JPJP2012-207948 | 2012-09-21 | ||
| JP2012-207948 | 2012-09-21 |
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| CN103683724A CN103683724A (en) | 2014-03-26 |
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| CN201310430344.1A Active CN103683724B (en) | 2012-09-21 | 2013-09-18 | Laminated iron core manufacturing method and device |
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| JP (1) | JP5697637B2 (en) |
| KR (1) | KR101921723B1 (en) |
| CN (1) | CN103683724B (en) |
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| JP6320856B2 (en) * | 2014-06-18 | 2018-05-09 | 株式会社三井ハイテック | Manufacturing method of laminated iron core |
| JP6320857B2 (en) * | 2014-06-18 | 2018-05-09 | 株式会社三井ハイテック | Manufacturing method of laminated iron core |
| JP6457969B2 (en) * | 2016-05-19 | 2019-01-23 | 株式会社三井ハイテック | Manufacturing method of laminated iron core |
| KR101894432B1 (en) * | 2016-08-05 | 2018-09-03 | 주식회사 고아정공 | Manufacturing die for motor core |
| JP6764463B2 (en) * | 2018-12-21 | 2020-09-30 | 株式会社三井ハイテック | Manufacturing method of laminated iron core |
| CN113949235B (en) * | 2021-12-21 | 2022-02-22 | 宁波震裕科技股份有限公司 | Manufacturing process of motor rotor iron core with special-shaped tooth part |
| CN114453482B (en) * | 2022-04-12 | 2022-07-01 | 宁波震裕科技股份有限公司 | Manufacturing process of iron core |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1929260A (en) * | 2003-07-29 | 2007-03-14 | 发那科株式会社 | Motor and motor manufacturing apparatus |
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| JP3523330B2 (en) * | 1994-06-03 | 2004-04-26 | 黒田精工株式会社 | Manufacturing method of laminated iron core |
| JP2001286946A (en) * | 2000-03-31 | 2001-10-16 | Shunichi Okada | Manufacturing method of laminated core |
| JP4012828B2 (en) * | 2003-01-24 | 2007-11-21 | 株式会社三井ハイテック | Manufacturing method of laminated iron core |
| JP3786924B2 (en) * | 2003-02-05 | 2006-06-21 | 株式会社三井ハイテック | Laminate core manufacturing equipment |
| JP2004357349A (en) * | 2003-05-27 | 2004-12-16 | Nakamura Mfg Co Ltd | Manufacturing method of iron core piece |
| JP3865734B2 (en) * | 2003-07-29 | 2007-01-10 | ファナック株式会社 | Motor and motor manufacturing apparatus |
| JP2007014122A (en) * | 2005-06-30 | 2007-01-18 | Mitsuba Corp | Laminated core and manufacturing method for core single plate thereof |
| JP5160944B2 (en) * | 2008-04-21 | 2013-03-13 | 黒田精工株式会社 | Manufacturing method and manufacturing apparatus of laminated iron core |
| JP5227664B2 (en) * | 2008-06-02 | 2013-07-03 | 黒田精工株式会社 | Manufacturing apparatus and manufacturing method of laminated iron core |
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| JP5697637B2 (en) | 2015-04-08 |
| KR101921723B1 (en) | 2018-11-23 |
| KR20140038901A (en) | 2014-03-31 |
| CN103683724A (en) | 2014-03-26 |
| JP2014064387A (en) | 2014-04-10 |
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