CN109586520A - The manufacturing method of stator manufacturing apparatus and stator - Google Patents
The manufacturing method of stator manufacturing apparatus and stator Download PDFInfo
- Publication number
- CN109586520A CN109586520A CN201811113324.0A CN201811113324A CN109586520A CN 109586520 A CN109586520 A CN 109586520A CN 201811113324 A CN201811113324 A CN 201811113324A CN 109586520 A CN109586520 A CN 109586520A
- Authority
- CN
- China
- Prior art keywords
- arm
- iron core
- stator
- core piece
- line
- 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
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Classifications
-
- 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
- H02K15/022—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with salient poles or claw-shaped poles
-
- 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
- H02K15/0025—Shaping or compacting conductors or winding heads after the installation of the winding in the core or machine ; Applying fastening means on winding heads
- H02K15/0031—Shaping or compacting conductors in slots or around salient poles
Abstract
The present invention provides the manufacturing method of stator manufacturing apparatus and stator.Stator manufacturing apparatus includes multiple arms, they are circumferentially arranged centered on the central axis vertically extended, can keep the iron core piece for being wound with coil respectively；And bearing part, it can rotate one end bearing of multiple arms, at least one party in arm and bearing part has the overlap joint line shaping portion for the outer peripheral surface for being disposed an outwardly facing radial outside, the outer peripheral surface for overlapping line shaping portion is located at the position that radial outside is leaned on than the inner peripheral surface for installing the iron core piece on arm in off position, opposed radially with overlap joint line.
Description
Technical field
The present invention relates to the manufacturing methods of stator manufacturing apparatus and stator.
Background technique
In Japanese Kokai special open 2002-176753 bulletin, a kind of manufacturing method for stators is disclosed, stator tool
There are multiple iron core pieces (segmentation iron core) that coil is wound with through overlap joint line.In this manufacturing method, with the parallel side of teeth portion
Multiple iron core pieces are arranged in a straight line after shape by formula, make multiple iron core pieces while movement and are arranged in annular shape.
In previous manufacturing method, after shape that iron core piece is arranged in a straight line, in order to be arranged in annular shape, there are this
The problem of sample: the overlap joint line between connection coil is elongated, and the process for carrying out shaping to overlap joint line becomes cumbersome.Therefore, previous
Manufacturing method in, the process of handwork of the stator assembling comprising needing proficiency thus is difficult to cut down manufacturing cost.
Summary of the invention
The first purpose of one aspect of the present invention is to provide a kind of manufacturing device of stator, which can
Realize the automation that segmentation iron core is shaped to the process of circular process and the shaping for carrying out overlap joint line.
The stator manufacturing apparatus of the one aspect of illustration of the invention is the stator manufacturing apparatus for manufacturing stator, the stator
Multiple iron core pieces are included, they are arranged circlewise, have the teeth portion extended to radially inner side；And multiple coils, they pass through
The winding line astragal in multiple teeth portion and constitute, the multiple coil through overlap joint line and connect, the stator manufacturing apparatus
It is characterized in that, include multiple arms, they are arranged in the circumferential centered on the central axis vertically extended, energy
It is enough that the iron core piece for being wound with coil is kept respectively；And bearing part, one end of multiple arms is supported
For that can rotate, the arm includes upper end, is supported by the bearing part；And lower end, with the rotation of the arm
Then closer and farther from the central axis, the arm can take closed state and opening state, and the closed state is from institute
Upper end side is stated towards the arm axle line of the lower end side and the state of the centerline axis parallel, the opening state is described
Arm axle line is to the inclined state in direction of the lower end than the upper end far from the central axis is made, and the arm is making
The thickness direction for stating iron core piece is parallel with the arm axle line and the overlap joint line is made to be located at the arm relative to the iron core piece
The upper end side in the state of, the iron core piece is kept, at least one party in the arm and the bearing part
The outer peripheral surface in the overlap joint line shaping portion with the outer peripheral surface for being disposed an outwardly facing radial outside, the overlap joint line shaping portion is located at
Inner peripheral surface than installing the iron core piece on the arm in off position leans on the position of radial outside, and with the overlap joint line
It is opposed radially.
In addition, being existed using the feature of the manufacturing method of the stator of the stator manufacturing apparatus of the one aspect of illustration of the invention
In the manufacturing method of the stator has following processes: front travel, and installation is rolled up respectively on multiple arms of opening state
It is wound with the iron core piece of coil line；And cyclic annular molding procedure, so that the arm is become closed state and is made multiple iron cores
Part configures circlewise.
In addition, the manufacturing method of the stator of the one aspect of illustration of the invention, the stator includes multiple iron core pieces,
They are arranged circlewise, have the teeth portion extended to radially inner side；And multiple coils, they pass through in multiple teeth portion
Winding line astragal and constitute, the multiple coil through overlap joint line and connect, the manufacturing method of the stator is characterized in that, is had
Following processes: front travel makes central axis of the multiple iron core pieces for being wound with coil line to vertically extend
Center is configured to radial in such a way that thickness direction is along radial direction；And cyclic annular molding procedure, so that multiple iron core pieces is existed
Close to the central axis while being rotated into thickness direction and the centerline axis parallel, so that multiple iron core pieces be made to match
It is set to ring-type, in the cyclic annular molding procedure, makes to overlap line along the company for the radially inner side that multiple iron core pieces are arranged in
The outer peripheral surface towards radial outside in wiring shaping portion to carry out shaping to overlap joint line.
According to an aspect of the present invention, provide it is a kind of can be realized by segmentation iron core be shaped to circular process and
Carry out the stator manufacturing apparatus and manufacturing method of the automation of the process of the shaping of overlap joint line.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section for being provided with the motor of stator.
Fig. 2 is the plan view of stator.
Fig. 3 is the perspective view of a pair of of iron core piece after consecutive winding.
Fig. 4 is section view of the stator assembling device (stator manufacturing apparatus) an of embodiment under the opening state of arm
Figure.
Fig. 5 is section view of the stator assembling device (stator manufacturing apparatus) an of embodiment under the closed state of arm
Figure.
Fig. 6 is the section view crossed closed state under of the stator assembling device (stator manufacturing apparatus) in arm an of embodiment
Figure.
Fig. 7 is perspective view of the arm in the support tool of opening state.
Label declaration
10: stator；12: iron core piece；12b: teeth portion；13: coil；13a: overlap joint line；20: device；20: stator assembling device
(stator manufacturing apparatus)；33: bearing part；40: arm；40a: upper end；40b: lower end；42: keeping magnet；48: overlap joint line
Shaping portion；48a: outer peripheral surface；50: cartridge unit；51: inner peripheral surface；51a: first area (conical surface)；51d: step surface；55: moving machine
Structure；A: arm axle line；O: central axis.
Specific embodiment
Hereinafter, being said referring to attached drawing to the stator manufacturing apparatus of embodiments of the present invention and the manufacturing method of stator
It is bright.In addition, in the following figures, in order to make each composition be easy to understand, the reduced scale sum number in practical structures and each structure
Amount etc. will be different sometimes.
Z axis is suitably shown in the various figures.The Z-direction of each figure be with shown in motor center's axis J or Fig. 4 shown in FIG. 1
Central axis O the parallel direction of axial direction.In addition, in the following description, the positive side (side+Z) of Z-direction is known as " on
The negative side (side-Z) of Z-direction is known as " downside " by side ".In addition, the upper side and lower side is only the direction for being used to illustrate, do not limit
Actual positional relationship and direction.In addition, unless otherwise stated, by parallel with motor center axis J or central axis O
Direction (Z-direction) is referred to as " axial direction " or " up and down direction ", by the diameter centered on motor center axis J or central axis O
To " radial direction " is referred to as, by the circumferential direction centered on motor center axis J or central axis O, that is, will be around motor center axis J
Or the direction of central axis O is referred to as " circumferential direction ".In addition, in the following description, " planar observation " mean from end on observation to
State.
< motor >
Firstly, being illustrated to the motor 1 for the stator that there is the stator manufacturing apparatus using present embodiment to manufacture.
Fig. 1 is the diagrammatic cross-section of motor 1.Motor 1 has rotor 3, stator 10, shell 2, bearing retainer 5, upper shaft
Hold 6A and lower side bearing 6B.
Rotor 3 is rotated around the motor center axis J vertically extended.Rotor 3 has axis 3a, rotor core 3b
And rotor magnet 3c.Axis 3a is centered on the motor center axis J that (axial direction) along the vertical direction extends along motor center axis J
Configuration.Axis 3a can be rotated by upside bearing 6A and lower side bearing 6B bearing around motor center axis J.Rotor core 3b
It is fixed on the outer peripheral surface of axis 3a.Rotor magnet 3c is fixed on the outer peripheral surface of rotor core 3b.
Shell 2 is the tubular being open in upside (side+Z).Shell 2 accommodates rotor 3, stator 10 and bearing retainer 5.Shell
Body 2 has cylindrical portion 2a and bottom 2b.Cylindrical portion 2a surrounds stator 10 from radial outside.Bottom 2b is located under cylindrical portion 2a
End.Center in bottom when the planar observation of 2b is provided with the downside bearing cage 2c for keeping lower side bearing 6B.
Bearing retainer 5 is located at the upside of stator 10.Bearing retainer 5 is kept by the inner peripheral surface of shell 2.Bearing retainer
5 keep upside bearing 6A at upside bearing maintaining part 5a.
(stator)
Stator 10 is configured to ring-type around motor center axis J.Stator 10 is opposed radially with rotor 3 across gap.It is fixed
Son 10 surrounds the radial outside of rotor 3.Stator 10 is fixed on the inner peripheral surface of shell 2.Stator 10 has cricoid stator core
11, a pair of of insulating element 14 for being mounted on stator core 11 from up and down direction and stator is mounted on across insulating element 14
Coil 13 on iron core 11.
Fig. 2 is the plan view of stator 10.
Stator core 11 is constituted by being circumferentially arranged in cricoid multiple iron core pieces 12.In stator core 11, in circumferential direction
Upper adjacent iron core piece 12 is connected to each other.That is, iron core piece 12 is made circumferentially to link multiple and constitute stator core 11.
Iron core piece 12 has core-back 12a, teeth portion 12b and umbrella portion 12c.That is, stator core 11 has multiple iron
Core back 12a, multiple teeth portion 12b and multiple umbrella portion 12c.The stator core 11 of present embodiment is by 12 12 structures of iron core piece
At.Therefore, the stator 10 of present embodiment has 12 teeth portion 12b.In addition, the quantity of iron core piece 12 and teeth portion 12b are not limited to
This.
Core-back 12a is circumferentially.Core-back 12a is in the circumferential end of direction and adjacent iron core piece 12
Core-back 12a connection.It is provided in the end of the circumferential side of core-back 12a towards circumferential side protrusion outstanding
12aa.The end of the circumferential other side of core-back 12a is provided with the recess portion 12ab towards circumferential side recess.In the circumferential
Core-back 12a adjacent to each other is connected to each other.Specifically, the protrusion 12aa of each core-back 12a is located in circumferential side
The inside of the recess portion 12ab of adjacent each core-back 12a.The core-back 12a of whole iron core pieces 12 links cyclization as a result,
Shape.
Core-back 12a has the outer peripheral surface 12d towards radial outside.That is, being provided with outer peripheral surface on iron core piece 12
12d.By the way that iron core piece 12 to be connected into a ring shape, the outer peripheral surface 12d of adjacent iron core piece 12 is circumferentially connected.
Teeth portion 12b extends from the circumferential center of core-back 12a towards radially inner side.On a teeth portion 12b, it is equipped with
A pair of aftermentioned insulating part 16.
Umbrella portion 12c is located at the end (radially inner side end) of teeth portion 12b.The size ratio circumferentially of umbrella portion 12c
The size circumferentially of teeth portion 12b is big, smaller than the size circumferentially of core-back 12a.
Umbrella portion 12c has the inner peripheral surface 12e towards radially inner side.That is, being provided with inner peripheral surface 12e on iron core piece 12.Umbrella
The inner peripheral surface 12e of shape portion 12c and the rotor magnet 3c of rotor 3 are opposed across gap radially.
As shown in Figure 1, a pair of of insulating element 14 covers teeth portion 12b from up and down direction.A pair of of insulating element 14 is exhausted by having
The material of edge is constituted.
As shown in Fig. 2, insulating element 14 has the multiple insulating parts 16 being mounted on each iron core piece 12.Insulating part 16 is set
It is equipped with quantity (being 12 in present embodiment) identical as iron core piece 12.In the top of an iron core piece 12, an insulation is configured
Part 16.Multiple insulating parts 16 circumferentially arrange circlewise.
Insulating part 16 includes the base portion 16b positioned at the upside of teeth portion 12b；First positioned at the upside of core-back 12a is vertical
Wall portion 16a；And the second standing wall portion 16c positioned at the upside of umbrella portion 12c.Coil 13 is wound on base portion 16b.First is vertical
Wall portion 16a and the second standing wall portion 16c respectively draws the coil 13 on base portion 16b from radial outside and inside
It leads.
Fluted 16d is set on the medial surface 16e towards radially inner side of the second standing wall portion 16c.Groove 16d is located at interior
The circumferential center of side 16e.In addition, groove 16d is axially extended.
In the present embodiment, 12 coils 13 are provided on stator 10.12 coils 13 are with a pair of of coil 13 for one group
Carry out consecutive winding.Alternatively, it is also possible to 3 or more coils 13 be one group of carry out consecutive winding.In addition, in this specification
In, " consecutive winding " refers to, single line astragal is wound to across multiple teeth portion and molded the volume of the coil line of multiple coils
Winding method.
Fig. 3 is the perspective view of a pair of of iron core piece 12 after consecutive winding.
2 coils 13 of consecutive winding are connected through overlap joint line 13a.That is, the stator 10 of present embodiment is included and is arranged in
Cricoid multiple iron core pieces 12；With the winding line astragal on multiple teeth portion 12b and constitute and through overlap joint line 13a and connect more
A coil 13.Overlap joint line 13a passes through from the upside of coil 13.In addition, being covered with insulation tube 13c on overlap joint line 13a.Overlap line
13a is insulated by insulation tube 13c relative to coil 13.
As shown in Fig. 2, in the present embodiment a pair of of iron core piece 12 of consecutive winding be configured to clip between the two 2 its
Its iron core piece 12.For example, a pair of of iron core piece 12A, 12D of consecutive winding be configured to clip between the two 2 iron core piece 12B,
12C.Therefore, the overlap joint line 13a for connecting a pair of of iron core piece 12 extends across 2 other iron core pieces 12.
In general, overlap joint line 13a needs are leaned on from the inner peripheral surface (i.e. the inner peripheral surface 12e of iron core piece 12) than stator core 11
The position of radial outside passes through.Rotor 3 is configured by the position of radially inner side in the inner peripheral surface than stator core 11.Therefore, if
Overlap joint line 13a flies out from stator core 11 to radially inner side, then overlaps line 13a and be possible to contact with rotor 3 and generate damage.
This specification hereinafter, to being configured to circular by multiple iron core pieces 12 and be shaped to overlap joint line 13a
It is illustrated positioned at the inner peripheral surface 12e than iron core piece 12 by the assemble method of the stator 10 of the position of radial outside.
As shown in figure 3, extending downwardly a lead 13b from each coil 13.2 coils of lead 13b and consecutive winding
13 winding beginning is corresponding with winding terminal.Therefore, a lead 13b is stretched out from a coil 13.Lead 13b and Xiang Mada
1 provides the external device (ED) connection of the illustration omitted of electric power.
< assembling device (stator manufacturing apparatus) >
Then, the stator assembling device (stator manufacturing apparatus) 20 for assembling said stator 10 is illustrated.
Fig. 4, Fig. 5 and Fig. 6 are the cross-sectional views of the assembling device 20 of present embodiment.In Fig. 4~Fig. 6, filled in assembling
Set the iron core piece 12 for being equipped on 20 and constituting stator 10.
As shown in Fig. 4~Fig. 6, assembling device 20 has: support tool 30, with multiple arms 40；Cartridge unit 50；And
Mobile mechanism 55 moves cartridge unit 50 along the vertical direction.
Hereinafter, being illustrated based on the central axis O vertically extended to assembling device 20.Assembling device 20
Central axis O it is consistent with the motor center axis J of stator 10 assembled using assembling device 20.
Fig. 7 is the perspective view of the support tool 30 when arm 40 is in an open state.
Support tool 30 has axle portion 31, bearing part 33 and multiple arms 40.That is, assembling device 20 have axle portion 31,
Bearing part 33 and multiple arms 40.
(axle portion)
Axle portion 31 extends along central axis O.Axle portion 31 is fixed on bearing part 33 in upper end.Axle portion 31 is inserted in another
In the hole 39a being arranged on the base component 39 that row prepares.Support tool 30 is fixed to the state erect as a result,.
(bearing part)
Bearing part 33 is fixed in the upper end of axle portion 31.Bearing part 33 is circle in planar observation.Supporting part
There is part 33 supporting part main body 34 and multiple arms to support axle portion 35.
Supporting part main body 34 is the plectane radially expanded centered on central axis O.It is arranged in supporting part main body 34
There are multiple (being 12 in present embodiment) the notch 34a extended from outer rim to radially inner side.In notch 34a inserted with
The upper end 40a of arm 40.
Arm bearing axle portion 35 is held in the notch 34a of supporting part main body 34.In the present embodiment, in bearing part
12 arm bearing axle portions 35 are provided on 33.12 arm bearing axle portions 35 circumferentially arrange.Each arm bearing axle portion 35 along with diameter
Extend to vertical direction.
As shown in figure 4, arm bearing axle portion 35 is inserted into the hole portion 40c for being set to the upper end 40a of arm 40.Arm support shaft
Portion 35 is functioned as the rotary shaft of arm 40.That is, bearing part 33 can rotate one end bearing in multiple arms 40.
(arm)
Multiple arms 40 are circumferentially arranged centered on central axis O.The quantity of arm 40 and the stator 10 for becoming assembling object
Iron core piece 12 quantity it is consistent.Therefore, in the present embodiment, 12 arms 40 are provided on support tool 30.
Arm 40 has upper end 40a and lower end 40b.Arm 40 is along the arm axle line from upper end 40a towards lower end 40b
A extends to a direction.Multiple arms 40 are opened and closed as bat umbrella.That is, arm 40 is fulcrum, below with arm bearing axle portion 35
The distance between end 40b and central axis O are close and separate mode is opened and closed.
The bearing of upper end 40a supported portion part 33 of arm 40 is that can rotate.It is provided in the upper end 40a of arm 40 for arm
Support the hole portion 40c that axle portion 35 is inserted into.Hole portion 40c is penetrated through on the direction vertical with radial direction.That is, the rotary shaft and radial direction of arm 40
Vertically.With the rotation at the upper end 40a of arm 40, the lower end 40b of arm 40 is close to central axis O and far from central axis O.
As shown in fig. 7, arm 40 has along the multiple holding magnetic arm axle line A arm body 41 extended and be fixed on arm body 41
Iron 42.Arm body 41 has retaining surface 41a, a pair of stage portion 41d and a pair of of protrusion 41c.
Retaining surface 41a is to maintain the face of iron core piece 12.Retaining surface 41a is when arm 40 is in off state towards radial outside.
In addition, retaining surface 41a extends along the extending direction of arm axle line A.Therefore, retaining surface 41a is as the rotation of arm 40 is to connecing near and far
Direction from central axis O is mobile.
The multiple retaining hole 41b arranged along arm axle line A are provided on retaining surface 41a.It is respectively embedded into retaining hole 41b
Have and keeps magnet 42.Therefore, multiple holding magnet 42 are arranged along arm axle line A.In the present embodiment, relative to 1 arm 40
It is provided with 5 holding magnet 42.
According to the present embodiment, magnet 42 is kept since arm 40 has, the adsorption capacity for keeping magnet 42 can be utilized
To keep the iron core piece 12 being made of magnetic material.Operator is by making the inner peripheral surface 12e of iron core piece 12 and the retaining surface of arm 40
41a contact, can make arm 40 keep iron core piece 12.Therefore, can make for multiple iron core pieces 12 to be installed on arm 40
Operation is simplified.
A pair of of stage portion 41d is located at the upper end side 40a and the lower end side 40b relative to retaining surface 41a.A pair of of stage portion
41d is prominent to the normal direction of retaining surface 41a.A pair that the distance between a pair of of stage portion 41d ratio is mounted on iron core piece 12
The distance between the top and bottom of insulating part 16 are slightly larger.It is a pair of in the state that iron core piece 12 is mounted on retaining surface 41a
Stage portion 41d clips iron core piece 12 from the two sides in the direction arm axle line A.A pair of stage portion 41d inhibits iron core piece 12 opposite as a result,
It is offset up in retaining surface 41a in the arm axle line side A.
A pair of of protrusion 41c is prominent from retaining surface 41a to the normal direction of retaining surface 41a.Protrusion 41c configuration is being kept
The two sides of the length direction (direction arm axle line A) of face 41a.Protrusion 41c is located at the width direction center of retaining surface 41a.Protrusion
Portion 41c extends from stage portion 41d to the side retaining surface 41a.It is a pair of in the state that iron core piece 12 is mounted on retaining surface 41a
Protrusion 41c is respectively embedded into the groove 16d of the insulating part 16 of the upside and downside that are mounted on iron core piece 12.A pair of of protrusion
41c is able to suppress iron core piece 12 and deviates in the width direction of retaining surface 41a.
Along with the rotation of arm 40, arm axle line A is tilted relative to central axis O with inclined angle alpha.The inclined angle alpha of arm axle line A
It is that the lower end 40b of arm 40 is set as positive angle far from the angle in the direction of central axis O.Inclination of the arm 40 in arm axle line A
It is rotated in the range of e.g. -10 °~+50 ° of angle α.
Arm 40 can take opening state, closed state shown in fig. 5 and closed state excessively shown in fig. 6 shown in Fig. 4.
As shown in figure 4, the arm axle line A of the arm 40 of opening state is to making direction of the lower end 40b than upper end 40a far from central axis O
Inclination.As shown in figure 5, the arm axle line A of the arm 40 of closed state is parallel with central axis O.In addition, closed state is more than arm 40
Arm axle line A the case where being substantially parallel relative to central axis O, be also possible to the state being slightly tilted in the range of ± 5 °.
As shown in fig. 6, crossing the arm axle line A downward end 40b of the arm 40 of closed state than upper end 40a close to the direction of central axis O
Inclination.
As shown in figure 4, arm 40 is able to maintain the iron core piece 12 for being wound with coil 13.Iron core piece 12 is in the thickness for making iron core piece 12
Arm 40 is held in the state that degree direction is parallel with arm axle line A.In addition, iron core piece 12 is opposite in the overlap joint line 13a for making coil 13
Arm 40 is held in the state that iron core piece 12 is located at the upper end side 40a of arm 40.
In addition, in the present specification, the thickness direction of iron core piece 12 refers to be assembled on motor 1 by multiple iron core pieces 12
In the state of, the consistent direction of axial direction with motor center axis J.
It is provided in the upper end 40a of arm 40 from the overlap joint line shaping portion 48 outstanding retaining surface 41a.Overlap line shaping portion 48
The position upper positioned at the iron core piece 12 than being mounted on arm 40.It is arranged in overlap joint line shaping portion 48 towards radial outside
Outer peripheral surface 48a.
As shown in figure 5, the outer peripheral surface 48a in overlap joint line shaping portion 48 be in the state that arm 40 is closed with towards upside and
To radial outside inclined surface outstanding.The outer peripheral surface 48a for overlapping line shaping portion 48 is located at than installing arm 40 in the off state
On iron core piece 12 inner peripheral surface 12e lean on radial outside position.In addition, the outer peripheral surface 48a and overlap joint in overlap joint line shaping portion 48
Line 13a is opposed radially.
(cartridge unit)
Cartridge unit 50 is the cylindrical shape centered on central axis O.The inner peripheral surface 51 of cartridge unit 50 is provided with the firstth area
Domain (conical surface) 51a, second area 51b and third region 51c.First area 51a, second area 51b and third region 51c
It is arranged successively from downside to upside.First area 51a, second area 51b and third region 51c are towards radially inner side respectively
Face.
First area 51a is located at the lower end of inner peripheral surface 51.First area 51a is so that internal diameter is become smaller with towards upside
The conical surface.That is, in the setting of the lower end of inner peripheral surface 51 with the first area 51a for the cone cell for making internal diameter become smaller towards upside.
Second area 51b is on inner peripheral surface 51 between first area 51a and third region 51c.Second area 51b's
Internal diameter is the same in the up-down direction.The internal diameter of second area 51b is assembled than the assembling device 20 using present embodiment
The outer diameter of stator core 11 is slightly larger.
Third region 51c is located at the upper end of inner peripheral surface 51.The internal diameter of third region 51c is the same in the up-down direction
's.The internal diameter of third region 51c is smaller than the internal diameter of second area 51b.The internal diameter of third region 51c is than utilizing present embodiment
The outer diameter for the stator core 11 that assembling device 20 assembles is small.In addition, first wall of the internal diameter of third region 51c than insulating part 16
The diameter of the outer peripheral surface towards radial outside of portion 16a is big.
Between second area 51b and third region 51c, it is disposed an outwardly facing the step surface 51d of lower section.That is, in cartridge unit
The step surface 51d of downside is disposed an outwardly facing on 50 inner peripheral surface 51.Step surface 51d is the face vertical with central axis O.
(mobile mechanism)
Mobile mechanism 55 keeps cartridge unit 50.Mobile mechanism 55 keeps the cartridge unit 50 positioned at the upside of support tool 30 downward
Side is mobile, and the bearing part 33 of support tool 30 is made to be housed in the inside of cartridge unit 50.The driving of mobile mechanism 55 is not limited
Means.
In addition, in the present embodiment, instantiating mobile mechanism 55 and keeping cartridge unit 50, make cartridge unit 50 to close bearing
The mobile situation in the direction of tool 30.But mobile mechanism 55 can also keep support tool 30, make it to close to cartridge unit 50
Direction it is mobile.That is, as long as mobile mechanism 55 makes cartridge unit 50 from the upside of bearing part 33 relatively close to bearing part 33
, cartridge unit 50 and either side in support tool 30 can be kept and moved it.
< assembly orientation (manufacturing method) >
Then, to the assemble method (manufacturing method of stator 10) of the stator 10 for the assembling device 20 for using present embodiment
It is illustrated.The assemble method of stator 10 has front travel, cyclic annular molding procedure and is detached from process.
(front travel)
Firstly, as shown in figure 4, progress front travel divides on multiple arms 40 of opening state in the front travel
The iron core piece 12 of coil 13 An Zhuan be wound with.
Operator contacts the inner peripheral surface 12e of iron core piece 12 with the retaining surface 41a of arm 40, and iron core piece 12 is made to be adsorbed in arm 40
Retaining surface 41a on.Arm 40 keeps iron core piece 12 as a result,.In addition, at this point, operator carry out phase iron core piece 12 for
The alignment of arm 40.
By front travel, multiple iron core pieces 12 are using central axis O as center radial configuration.In addition, making iron core piece
12 are configured to thickness direction along radial direction.
Coil 13 on multiple iron core pieces 12 is connected via overlap joint line 13a.In the present embodiment, by taking
A pair of of iron core piece 12 of wiring 13a connection by between the two across two arms 40 in a manner of be fixed on separated arm 40.
In front travel, arm 40 is opening state.Therefore, gap is provided between adjacent iron core piece 12.As a result it is,
The overlap joint line 13a for connecting a pair of of iron core piece 12 becomes the less linearly extended state of relaxation.
(cyclic annular molding procedure)
Then, as shown in figure 5, carrying out cyclic annular molding procedure, in the cyclic annular molding procedure, make arm 40 from opening state
As closed state, make multiple configurations of iron core piece 12 circlewise.In cyclic annular molding procedure, cartridge unit is made by mobile mechanism 55
50 move downward, and make the configuration of bearing part 33 in the inside of cartridge unit 50.
When moving downward cartridge unit 50, first the lower end of cartridge unit 50 and open state arm 40 keep iron
The outer peripheral surface 12d of chipware 12 is contacted.If further moving downward cartridge unit 50, the rotation of arm 40 is outer up to iron core piece 12
Circumferential surface 12d along the cone cell of cartridge unit 50 first area 51a.If further moving downward cartridge unit 50, cartridge unit
50 move downward until iron core piece 12 is contacted with the step surface 51d towards downside, so that arm 40 becomes closed state.That is,
In cyclic annular molding procedure, with the movement of cartridge unit 50, the outer peripheral surface 12d of iron core piece 12 connects with the inner peripheral surface 51 of cartridge unit 50
Touching, arm 40 are transferred to closed state from opening state.
As arm 40 is transferred to closed state from opening state, the multiple iron core pieces 12 being mounted on arm 40 are being rotated into thickness
Close to central axis O while degree direction is parallel with central axis O.In addition, on the inner peripheral surface 51 of cartridge unit 50 is arranged in
Two region 52b surround the outer peripheral surface 12d of multiple iron core pieces 12 from radial outside, so that multiple iron core pieces 12 are configured to ring-type.
That is, according to the present embodiment, by installing iron core piece 12 on multiple arms 40, and keep cartridge unit 50 mobile, can easily by
Multiple configurations of iron core piece 12 are circlewise.
According to the present embodiment, cartridge unit 50 by by the outer peripheral surface 12d of iron core piece 12 by the retaining surface 41a for pressing to arm 40
Side and so that arm 40 is transferred to closed state from opening state.When the state of arm 40 is shifted, retaining surface 41a and iron core piece 12
Between contact surface surface pressure improve.As a result, by multiple iron core pieces 12 configuration circlewise when, be able to suppress iron core piece 12 from
Arm 40 is detached from.In addition, according to the present embodiment, since cyclic annular molding procedure is being improved between retaining surface 41a and iron core piece 12
Surface pressure while the process that carries out, therefore the keeping method as the iron core piece 12 on retaining surface 41a can be using being easy to
The absorption of the magnetic force of handling.
According to the present embodiment, due to being provided with the first area of cone cell in the lower end of the inner peripheral surface 51 of cartridge unit 50
Therefore 51a along with the movement of the constant speed of cartridge unit 50, can be such that arm 40 periodically rotates.In the shifting of cartridge unit 50
During dynamic, it is able to suppress cartridge unit 50 and is steeply risen from the reaction force that arm 40 is subject to.Therefore, the shifting for making cartridge unit 50 mobile
The control of motivation structure 55 becomes easy.
In addition, the first area 51a of present embodiment is the conical surface of straight line.But first area 51a is also possible to be bent
The conical surface.In this case, arm 40 can be made to be slowly rotated with the moving for constant speed of cartridge unit 50, can more had
The reaction force that effect ground inhibits cartridge unit 50 to be subject to from arm 40 steeply rises.
According to the present embodiment, the inner peripheral surface 51 of cartridge unit 50 is provided with step surface 51d.Step surface 51d and iron core piece
12 upper surface contact.It, can be to arrangement cyclization thereby, it is possible to which the upper surface of multiple iron core pieces 12 is configured to same plane shape
The axial position of the iron core piece 12 of shape is adjusted.
In cyclic annular molding procedure, arm 40 becomes closed state, and adjacent iron core piece 12 circumferentially contacts each other.Therefore,
Compared with the case where arm 40 is in opening state, the overlap joint line 13a for connecting a pair of of iron core piece 12 becomes the state of relaxation.In addition, with
Arm 40 become closed state from opening state, the outer of the overlap joint line shaping portion 48 of the radially inner side of multiple iron core pieces 12 is set
Circumferential surface 48a is contacted with overlap joint line 13a, carries out shaping to overlap joint line 13a.
The outer peripheral surface 48a in line shaping portion 48 is overlapped positioned at the inner circumferential than installing the iron core piece 12 on arm 40 in off position
The position by radial outside of face 12e, and it is opposed radially with overlap joint line 13a.Therefore, overlap joint line shaping portion 48 can will take
Wiring 13a is shaped to the position for being located at and leaning on radial outside than the inner peripheral surface 12e of iron core piece 12.It is being assembled in motor 1 as a result,
Stator 10 in, be able to suppress overlap joint line 13a contacted with rotor 3.
The outer peripheral surface 48a in overlap joint line shaping portion 48 is in arm 40 in off position with towards upside and to radial outside
Inclined surface outstanding.Line 13a is overlapped by contacting with outer peripheral surface 48a, not only to radial outside, but also is also pressed to downside whole
Shape.Thereby, it is possible to inhibit overlap joint line 13a to float from coil 13.Therefore, in motor 1 for example shown in FIG. 1, it is suppressed that overlap joint
The contact of line 13a and bearing retainer 5.
In addition, in the present embodiment, instantiating the situation that overlap joint line shaping portion 48 is arranged on arm 40.But as long as
The configuration of line shaping portion 48 is overlapped in the radially inner side of iron core piece 12, then also can be set on bearing part 33, it furthermore can also be with
It is arranged on the both sides of arm 40 and bearing part 33.That is, at least one party in arm 40 and bearing part 33 has overlap joint line shaping
Portion 48.
(being detached from process)
Then, it as shown in fig. 6, carrying out disengaging process, in the disengaging process, is transferred to arm 40 from closed state and reaches a standard
Closed state is detached from iron core piece 12 from support tool 30.
By making arm 40 be transferred to closed state from closed state, the arm axle line A of arm 40 to make lower end 40b in
The direction of heart axes O tilts.On the other hand, since the iron core piece 12 being mounted on arm 40 is annularly arranged in the circumferential,
Therefore it will not be tilted to radially inner side.By making arm 40 become closed state, iron core piece 12 can be easily from the guarantor of arm 40
Hold face 41a disengaging.
Iron core piece 12 can be arranged in cricoid cyclic annular molding work by stator assembling device 20 according to the present embodiment
In sequence, while carrying out the shaping of overlap joint line 13a.Therefore, by using the assembling device of present embodiment 20, it can be realized stator
The automation of 10 assembling.
More than, an embodiment of the invention and its variation are illustrated, but an embodiment and its change
Only an example can carry out without departing from the spirit and scope of the present invention for each composition and their combination in shape example etc.
The additional of constitutive character, omission, displacement and other changes.In addition, the present invention is not limited by embodiment.
For example, in the present embodiment, instantiating the case where arm 40 keeps the inner peripheral surface 12e of iron core piece 12.But arm 40
The outer peripheral surface 12d of iron core piece 12 can also be kept from radial outside.In this case, cartridge unit 50 is with arm 40 towards radial direction
The face contact in outside makes arm 40 be transferred to closed state from opening state.
In addition, in the present embodiment, the independent rotation of each arm 40.But support tool 30, which also can have, makes whole
40 synchronous rotary of arm mechanism.
Claims (9)
1. a kind of stator manufacturing apparatus, manufactures stator, the stator is included
Multiple iron core pieces, they are arranged circlewise, have the teeth portion extended to radially inner side；And multiple coils, they pass through
The winding line astragal in multiple teeth portion and constitute, the multiple coil through overlap joint line and connect,
The stator manufacturing apparatus is characterized in that, is included
Multiple arms, they are arranged in the circumferential centered on the central axis vertically extended, can be respectively to being wound with
The iron core piece of coil is kept；And
Bearing part, by one end bearing of multiple arms for that can rotate,
The arm includes
Upper end is supported by the bearing part；And
Lower end, with the rotation of the arm closer and farther from the central axis,
The arm can take closed state and opening state, and the closed state is from the upper end side towards the lower end
The state of the arm axle line of side and the centerline axis parallel, the opening state are the arm axle lines to making the lower end compare institute
The inclined state in direction of the upper end far from the central axis is stated,
The arm keeps the thickness direction of the iron core piece parallel with the arm axle line and is making the overlap joint line relative to described
Iron core piece is located in the state of the upper end side of the arm, keeps to the iron core piece,
At least one party in the arm and the bearing part has the overlap joint line for the outer peripheral surface for being disposed an outwardly facing radial outside whole
Shape portion,
The outer peripheral surface in the overlap joint line shaping portion is located at than installing the iron core piece on the arm in off position
Inner peripheral surface leans on the position of radial outside, and opposed radially with the overlap joint line.
2. stator manufacturing apparatus according to claim 1, which is characterized in that
The holding magnet that there is the arm absorption to keep the iron core piece.
3. stator manufacturing apparatus according to claim 1 or 2, which is characterized in that
The arm can take closed state, it is described cross closed state be the arm axle line to make the lower end than the upper end
The inclined state in the direction of portion close to the central axis.
4. stator manufacturing apparatus according to any one of claims 1 to 3, which is characterized in that
The rotary shaft of the arm is vertical with radial direction.
5. stator manufacturing apparatus described in any one according to claim 1~4, which is characterized in that
The stator manufacturing apparatus also includes
Cylindric cartridge unit centered on the central axis；And
Mobile mechanism, make cartridge part from the upside of the bearing part relatively close to the bearing part to making institute
The inside that bearing part is housed in cartridge part is stated,
With the movement of cartridge part, the arm or be held in the arm the iron core piece the face towards radial outside
With the inner circumferential face contact of the cartridge unit, so that the arm is transferred to closed state from opening state.
6. stator manufacturing apparatus according to claim 5, which is characterized in that
It is provided in the lower end of the inner peripheral surface of cartridge part with the conical surface for making internal diameter become smaller towards upside.
7. stator manufacturing apparatus according to claim 5 or 6, which is characterized in that
The step surface of downside is disposed an outwardly facing on the inner peripheral surface of cartridge part,
The bearing part is housed in inside on the arm that is in off state with by cartridge part by the step surface
The upper surface contact of the iron core piece kept.
8. a kind of manufacturing method of stator uses stator manufacturing apparatus described in any one in claim 1~7,
It is characterized in that,
The manufacturing method of the stator has following processes:
Front travel, installation is wound with the iron core piece of coil line respectively on multiple arms of opening state；And
Cyclic annular molding procedure makes the arm become closed state and makes multiple iron core piece configurations circlewise.
9. a kind of manufacturing method of stator, the stator include multiple iron core pieces, they are arranged circlewise, are had inside to diameter
The teeth portion that side extends；And multiple coils, they are made up of the winding line astragal in multiple teeth portion, the multiple line
Circle is connected through overlap joint line,
The manufacturing method of the stator is characterized in that, with the following process:
Front travel, make the multiple iron core pieces for being wound with coil line centered on the central axis vertically extended with
Thickness direction is configured to radial along radial mode；And
Cyclic annular molding procedure keeps multiple iron core pieces close while being rotated into thickness direction and the centerline axis parallel
The central axis, thus make multiple iron core piece configurations circlewise,
In the cyclic annular molding procedure, keep overlap joint line whole along the connecting line for the radially inner side that multiple iron core pieces are arranged in
The outer peripheral surface towards radial outside in shape portion to carry out shaping to overlap joint line.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017189729A JP6915486B2 (en) | 2017-09-29 | 2017-09-29 | Stator manufacturing equipment and stator manufacturing method |
| JP2017-189729 | 2017-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109586520A true CN109586520A (en) | 2019-04-05 |
| CN109586520B CN109586520B (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811113324.0A Active CN109586520B (en) | 2017-09-29 | 2018-09-25 | Stator manufacturing apparatus and stator manufacturing method |
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| Country | Link |
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| JP (1) | JP6915486B2 (en) |
| CN (1) | CN109586520B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113676008A (en) * | 2020-05-15 | 2021-11-19 | 丰田自动车株式会社 | Stator core supporting device and stator core supporting method |
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| JP2009264892A (en) * | 2008-04-24 | 2009-11-12 | Tamagawa Seiki Co Ltd | Structure of preventing scratch and floating of crossover of resolver |
| CN101888152A (en) * | 2010-08-12 | 2010-11-17 | 无锡赛可电气有限公司 | Reshaping device for stator coil of starter |
| CN102361204A (en) * | 2011-10-01 | 2012-02-22 | 蒙功尧 | Full automatic busbar terminal crimping device and crimping method and terminal crimping machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11341748A (en) * | 1998-05-20 | 1999-12-10 | Toyota Motor Corp | Assembly of divided-type stator and divided-type stator |
| JP2000102226A (en) * | 1998-09-28 | 2000-04-07 | Honda Motor Co Ltd | Manufacture of motor |
| JP4916730B2 (en) * | 2006-02-07 | 2012-04-18 | アスモ株式会社 | Stator manufacturing method and stator |
| JP5562045B2 (en) * | 2010-01-07 | 2014-07-30 | 日特エンジニアリング株式会社 | Stator assembly method and assembly apparatus |
| JP5683008B2 (en) * | 2011-05-26 | 2015-03-11 | アスモ株式会社 | Motor core, stator and stator manufacturing method |
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2018
- 2018-09-25 CN CN201811113324.0A patent/CN109586520B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009264892A (en) * | 2008-04-24 | 2009-11-12 | Tamagawa Seiki Co Ltd | Structure of preventing scratch and floating of crossover of resolver |
| CN101888152A (en) * | 2010-08-12 | 2010-11-17 | 无锡赛可电气有限公司 | Reshaping device for stator coil of starter |
| CN102361204A (en) * | 2011-10-01 | 2012-02-22 | 蒙功尧 | Full automatic busbar terminal crimping device and crimping method and terminal crimping machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113676008A (en) * | 2020-05-15 | 2021-11-19 | 丰田自动车株式会社 | Stator core supporting device and stator core supporting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109586520B (en) | 2020-12-25 |
| JP6915486B2 (en) | 2021-08-04 |
| JP2019068541A (en) | 2019-04-25 |
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