CN109661759A - The manufacturing method of the stator of the stator and rotating electric machine of rotating electric machine - Google Patents
The manufacturing method of the stator of the stator and rotating electric machine of rotating electric machine Download PDFInfo
- Publication number
- CN109661759A CN109661759A CN201780053244.8A CN201780053244A CN109661759A CN 109661759 A CN109661759 A CN 109661759A CN 201780053244 A CN201780053244 A CN 201780053244A CN 109661759 A CN109661759 A CN 109661759A
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- Prior art keywords
- stator
- rotating electric
- electric machine
- pole piece
- iron plate
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- 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
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
-
- 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
- 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
- H02K15/08—Forming windings by laying conductors into or around core parts
- H02K15/095—Forming windings by laying conductors into or around core parts by laying conductors around salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
In the stator of rotating electric machine, in the case where carrying out winding operation in the state that multiple teeth to be launched into linear, there are problems that ensure sufficient space in adjacent between cog.Therefore, the stator of rotating electric machine of the invention has multiple pole pieces and multiple iron plates with each adjoining of the pole piece, the pole piece has back yoke and from the back yoke to center position teeth portion outstanding, the back yoke forms the configuration of the periphery in cricoid situation along by multiple pole pieces and multiple iron plates, and the iron plate rotatably links in the circumferential end of the back yoke of adjacent pole piece.
Description
Technical field
The present invention relates to the manufacturing methods of a kind of stator of rotating electric machine and the stator of rotating electric machine.
Background technique
In the past, it is known that a kind of motor, the motor are formed are as follows: are in by pole piece in the state of being wound with coil on pole piece
Annular shape configures and constitutes stator, and by rotor and the stator combination with output shaft, the pole piece is by having back yoke
It is constituted with from the laminated iron core of back yoke teeth portion outstanding.
Efficiently convolute coil is important on such pole piece, and discloses various technologies.
As one of such technology, there are following technologies: by the way that bending part to be set to the cardinal extremity with the tooth of rear yoke
Portion, corresponding position, two sides, and the band-like rear yoke with multiple teeth is deformed into the bending part bending for being set to the rear yoke
Coil is continuously wound around each pole piece thereby, it is possible to not cut off coil to form the stator core of motor by ring-type
Upper (for example, referring to patent document 1).
In the technology of patent document 1, can by multiple teeth be launched into reflex action it is curved (tooth towards outside, with flier phase
To state) in the state of carry out winding operation, therefore can be by the tooth configuration adjacent with the tooth that carries out winding operation in flier
The position do not interfered of front end, be easy fitly convolute coil.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 11-262203 bulletin
Summary of the invention
Problems to be solved by the invention
But in the patent document 1, such as in the state that multiple teeth are launched into linear carry out winding operation
In the case where, it can not ensure enough spaces in adjacent between cog.In addition, since the bending part of the rear yoke on circular arc must be made attached
Do not interfere with the front end portion of flier closely, therefore, in coiling on tooth, there are the working ranges of coil winding machine by the larger system of rear yoke
About the problem of.
Means for solving the problems
The stator of rotating electric machine of the invention has multiple pole pieces and multiple iron with each adjoining of the pole piece
Piece, the pole piece have back yoke and from the back yokes to center position teeth portion outstanding, and the back yoke is along by multiple
The pole piece and multiple iron plates form the configuration of the periphery in cricoid situation, and the iron plate is rotatably adjacent
The circumferential end of the back yoke of pole piece links.
The effect of invention
According to the present invention, it has the effect that and is carrying out winding operation so that multiple teeth are launched into linear state
In the case of, it can ensure enough spaces in adjacent between cog, be capable of increasing the working range of coil winding machine.
Detailed description of the invention
Fig. 1 is the figure for indicating the construction of the stator of rotating electric machine of embodiments of the present invention 1.
Fig. 2 is the figure for indicating the cross-sectional configuration of the stator of the rotating electric machine of embodiments of the present invention 1 at A-B.
Fig. 3 is the figure for indicating other constructions of the stator of rotating electric machine of embodiments of the present invention 1.
Fig. 4 is the figure when pole piece and iron plate that are rotatably linked by thinner wall section are launched into linear.
Fig. 5 is in the stator of the rotating electric machine of embodiments of the present invention 1, to sheet steel from band-like electromagnetic steel plate
Carry out the skeleton diagram for the case where plate is cut.
Fig. 6 is the outline for indicating a part of the automatic coil winding machine of the stator of rotating electric machine of embodiments of the present invention 1
Figure.
Fig. 7 is the section for indicating a part of the automatic coil winding machine of the stator of rotating electric machine of embodiments of the present invention 1
Skeleton diagram.
The skeleton diagram for the case where Fig. 8 is indicated after implementing coiling, and stator is bent into annular shape and is deformed.
Fig. 9 is the figure for indicating the construction of the stator of rotating electric machine of embodiments of the present invention 1.
Figure 10 is the figure for indicating the construction of the stator of rotating electric machine of embodiments of the present invention 1.
Figure 11 is the figure for indicating the construction of the stator of rotating electric machine of embodiments of the present invention 1.
Figure 12 is the figure for indicating the construction of the stator of rotating electric machine of embodiments of the present invention 1.
Figure 13 is the figure for indicating the construction of the stator of rotating electric machine of embodiments of the present invention 2.
Figure 14 is the figure when stator of the rotating electric machine of embodiments of the present invention 2 is launched into linear.
The skeleton diagram for the case where Figure 15 is indicated after implementing coiling, and stator is bent into annular shape and is deformed.
The skeleton diagram for the case where Figure 16 is indicated after implementing coiling, and stator is bent into annular shape and is deformed.
Figure 17 is the skeleton diagram for indicating the stator of other rotating electric machines of embodiments of the present invention 2.
Figure 18 is the skeleton diagram for indicating the coil winding machine of the stator of rotating electric machine of embodiments of the present invention 3.
Figure 19 is the skeleton diagram for indicating the stator of rotating electric machine of embodiments of the present invention 4.
Figure 20 is the skeleton diagram for indicating the section of the stator of rotating electric machine of embodiments of the present invention 4.
Figure 21 is the skeleton diagram for indicating the stator of rotating electric machine of embodiments of the present invention 5.
Figure 22 is the figure for indicating the situation for keeping the wall thickness of iron plate thinning.
Figure 23 is the figure for indicating the situation for keeping the wall thickness of iron plate thinning.
The figure for the case where Figure 24 is the curvature for indicating to increase the circular arc of iron plate, forms extreme arcuation.
The figure for the case where Figure 25 is the curvature for indicating to increase the circular arc of iron plate, forms extreme arcuation.
Figure 26 is the figure for indicating the construction of the stator of other rotating electric machines of embodiments of the present invention 1.
Figure 27 is the figure for indicating the construction of the stator of other rotating electric machines of embodiments of the present invention 1.
Figure 28 is a part for indicating the automatic coil winding machine of the stator of other rotating electric machines of embodiments of the present invention 1
Skeleton diagram.
Figure 29 is the figure for indicating the construction of the stator of rotating electric machine of embodiments of the present invention 6.
Figure 30 is the figure for indicating the construction of the stator of rotating electric machine of embodiments of the present invention 7.
Specific embodiment
Embodiment 1.
Then, using Detailed description of the invention embodiments of the present invention.In the record of attached drawing below, to same or similar
Part marks same or similar appended drawing reference.But attached drawing is schematical, it should be noted that ratio of each size etc. with it is existing
It is real different.Therefore, specific size etc. should judge with reference to the following description.In addition, also including certainly each other in attached drawing
The different part of mutual size relationship, ratio.
Fig. 1 is the figure for indicating the construction of the stator of rotating electric machine of embodiments of the present invention 1.Fig. 2 is to indicate the present invention
Embodiment 1 rotating electric machine stator A-B at cross-sectional configuration figure.The stator 1 of rotating electric machine has more in the figure
A pole piece 2 and multiple iron plates 3 adjacent with pole piece 2 and being arranged between each pole piece.
Pole piece 2 is that the electromagnetic steel plate of the thin plate of substantially T-shaped is laminated made of multi-disc along the direction of output shaft V-W
Construction, output shaft V-W is by the rotation center of rotating electric machine, as shown in Figure 1, making 1 ring-type of stator of rotating electric machine (sometimes
Also be recorded as cylindric or circular) structure, here, the shape of substantially quadrangle (quadrangular) as shown in the figure, substantially eight
The shape of side shape (eight prisms) or other prism shapes are also as including in cyclic annular, circular or cylindric such expression
Shape and in following record.
Pole piece 2 is vertically configured relative to output shaft V-W, in the feelings for the cricoid structure of stator 1 for making rotating electric machine
Under condition, it is configured to include back yoke 4 and teeth portion 5, which configures along periphery, constitutes a part of peripheral part, and substantially
Flat interarea forms a part of outer peripheral surface, and center position of the teeth portion 5 from back yoke 4 to rotation center is prominent, and with
Inner end 51 modes opposite with output shaft of face configure.Here, pole piece 2 is by the electromagnetic steel plate of thin plate along rotating electric machine
Output axis direction stacking multi-disc made of construction but it is also possible to be the section of the output axis direction of rotating electric machine be substantially T word
The integrated molding product of shape.In addition, teeth portion 5 is formed with shape from the central vertical of back yoke 4 outstanding, but can also slightly partially
It moves.In addition, the interarea of the general planar of back yoke 4 forms a part of outer peripheral surface, this is that the molded product based on storage stator exists
The good such reason of storage property in terms of receiving prism shape, and the difference of the shape according to the molded product of storage stator, periphery
Face may not be plane but curved surface.
Iron plate 3 is that will have the electromagnetic steel plate of the thin plate of substantially arc-shaped of width along the output shaft V-W of rotating electric machine
Direction stacking multi-disc made of construct, iron plate 3 is adjacent with the back yokes 4 of multiple pole pieces 2 and will connect between them
Mode configures.
In addition, here, iron plate 3 is that multi-disc is laminated along the output axis direction of rotating electric machine in the electromagnetic steel plate of thin plate to form
Construction but it is also possible to be do not have lit-par-lit structure integrated molding product.In addition, iron plate 3 is formed to have the substantially round of width
The shape of arcuation is it may also be the stator 1 of quadrangular or rotating electric machine with flat surface is constituted in cricoid situation
A side in outer peripheral surface or inner peripheral surface is flat shape.In the case where being formed to have the quadrangular of flat surface, rotating electric machine
The shape of stator become substantially eight prism shapes as shown in Figure 3.
Iron plate 3 passes through thinner wall section in the circumferential end centered on the output shaft V-W of the back yoke 4 of adjacent pole piece 2
6 and rotatably link.It can rotate that also include the case where being capable of bending in addition, said here.
But one end of the back yoke 4 of at least one pole piece 2 in multiple pole pieces 2 does not link, for example, in a side
Protrusion 7 is set, recess portion 8 is set in another party, can dock and connect with being unfolded.In addition, in fig. 1 it is shown that being provided with one
Locate the structure of protrusion and recess portion, but be not limited at one, is also possible at two or at three.As long as in addition, being set to back yoke
End, iron plate end protrusion and the chimeric construction of recess portion, then no matter in which side setting protrusion, at which side recess portion is set
It is ok.
Be wound with coil 10 in the teeth portion 5 of pole piece 2 and constitute stator 1, but in order to ensure pole piece 2 and coil 10 it
Between insulation, configured with insulator 9 as shaped component between pole piece 2 and coil 10.
Here, docking and making in such a way that teeth portion 5 is towards output shaft (rotation center) direction more protrusion 7 and recess portion 8
2 integration of a pole piece and in the state of constituting stator 1, the seam 11 of back yoke 4 and iron plate 3 is the link surface in thinner wall section 6
Elongated surfaces 12 become do not pass through the structure of the rotation center O as output shaft V-W.At this point, clipping the adjacent thinner wall section of iron plate 3
The intersection P that the elongated surfaces 12 of link surface in 6 can intersect becomes to be positioned away from from rotation center O to peripheral direction.
Fig. 4 is to indicate the pole piece and iron plate that rotatably link by thinner wall section being launched into linear state
Figure.Here, showing the state for being wound with coil 10 across insulator 9 in teeth portion 5.As seen from the figure, back yoke 4 is substantially
Flat interarea 42, herein for formed in the case where making the stator annular shape of rotating electric machine outer peripheral surface a part and
Become the face of the upper surface of pole piece, the face general planar in the case that the stator of rotating electric machine is launched into linearly.In order to
It avoiding due to magnetic resistance increase and iron loss increase, the efficiency decline of motor, the thickness of back yoke 4 is approximately fixed, it is configured to as a result,
The part C that the intersection of the back yoke 4 and teeth portion 5 that are represented by the dotted line in Fig. 4 implements coiling does not form deep concave shape.
The lower end 43 at the both ends of back yoke 4 is located at the position of the lower end 32 of the joint face of the neighbour iron plate 3 connect in the figure
Position on the lower, the position for being located at 5 side of teeth portion.In other words, in the center line by the back yoke 4 indicated by single dotted broken line
The heart selects 41 position positioned at the central point 31 than iron plate 3 on the lower, that is, is located at 5 side of teeth portion.Therefore, when implementing coiling, due to iron
Piece 3 is unfolded in the position of the front end of the flier far from coil winding machine, therefore can ensure needed for the front end rotation of flier of coil winding machine
Enough regions.
In addition, as shown in figure 27, even if in the lower end 43 for making the both ends of back yoke 4 with the connection with adjacent iron plate 3
The case where mode of the position consistency of the lower end 32 in face is unfolded, is unfolded in such a way that back yoke 4 and iron plate 3 become straight line
Under, also can ensure enough spaces in adjacent between cog, to coil winding machine flier front end rotate when with iron plate 3 interfere away from
Smaller from compared with the case where being unfolded as shown in Figure 4, construction shown in Fig. 4 is more advantageous.
Fig. 5 be in the stator of the rotating electric machine of embodiments of the present invention 1, from band-like electromagnetic steel plate to sheet steel into
The skeleton diagram for the case where andante is cut.Sheet steel 14 is the longitudinal direction of the back yoke 4 of pole piece 2 and the longitudinal direction of iron plate 3
Consistent shape.Sheet steel 14 is configured and is punched side by side as follows, that is, the longitudinal direction of the back yoke 4 of pole piece 2 and
The longitudinal direction of iron plate 3 is consistent with the direction of feed of arrow expression by electromagnetic steel plate 13, relative to electromagnetic steel plate 13 into
It gives two sheet steels 14 on the vertical direction in direction opposite position, becomes and store the friendship of another tooth in an adjacent between cog
Mispairing is set.
In Fig. 5, two sheet steels 14 are interconnected in the first sheet steel 141 mode opposite with the second sheet steel 142,
The side between teeth portion 52 adjacent possessed by the first sheet steel 141 is accommodated in teeth portion 53 possessed by the second sheet steel 142
Formula configuration.The stator 1 of rotating electric machine is that the sheet steel 14 that will be punched out from band-like electromagnetic steel plate 13 passes through riveting stacking rule
What stator number was constituted.Later, the insulator 9 being made of insulating materials is shaped in the periphery of the teeth portion 5 of pole piece 2.Here,
Term as back yoke, iron plate and teeth portion also illustrate that sometimes in sheet steel in the case where constituting stator and back yoke, iron
Piece and the corresponding part of teeth portion.
Fig. 6 is the outline for indicating a part of the automatic coil winding machine of the stator of rotating electric machine of embodiments of the present invention 1
Figure.Automatic coil winding machine 15 has for the stationary fixture 16 of fixed stator 1 and for the teeth portion by coil 10 wound on pole piece 2
Flier 17 on 5.
Stationary fixture 16 is configured to include basal part 18, pressing plate 19, screw 20 and guidance pin 21.Stator 1 is with pole piece 2
The longitudinal direction of possessed back yoke 4 and the consistent shape of longitudinal direction of iron plate 3 are set to the axial end face of basal part 18
36, the section X-Y shown in Fig. 7 it is found that the stator radial outside by making iron plate 3 end face 37 and basal part 18 face contact and
It is fixed on defined position.
Pressing plate 19 is used in output axis direction clamp stator 1 and is fixed in basal part 18, pressing plate 19 and basal part
18 are fixed by screw 20.Fixed construction is not limited to screw, and screw bolt and nut can be used and fix, and it is solid also to can use eyelet
It is fixed.For guidance pin 21 for guiding transition wire 22, which will be in the teeth portion 5 of each pole piece 2 in coiling
Coil 10 connects, and the guidance is located at the mode near the rotation center for the bending part for connecting pole piece 2 and iron plate 3 with pin 21
It is set to basal part 18.
Flier 17 is configured to the discribed track B in front end and the central axis of the teeth portion 5 of pole piece 2 is substantially uniform, herein
Be track B and in the longitudinal direction of teeth portion 5 it is substantially uniform by the axis of the center of gravity of teeth portion 5, and along with longitudinal direction
Consistent direction C carries out sliding action.In addition, dynamic also along sliding is carried out with the consistent direction D of the longitudinal direction of back yoke 4
Make.
After the winding operation of the teeth portion 5 of the pole piece 2 of Xiang Yifang, flier 17 is made to carry out sliding action to direction D,
The rotary shaft B for making flier 17 be moved to the central axis and flier 17 of the teeth portion 5 of the pole piece 2 of another party of the adjoining of non-coiling is big
Cause consistent position.At this point, the winding ending portion of the coil 10 in the teeth portion 5 of the pole piece 2 of a side is not cut off, and
Make it as transition wire 22, and make it along the outside of guidance pin 21 possessed by stationary fixture 16, then, to another party's
The teeth portion 5 of pole piece 2 implements coiling along the direction contrary in the teeth portion 5 of the pole piece 2 wound on a side.In this way,
Winding operation successively is implemented to the teeth portion 5 of the pole piece 2 of non-coiling.
The skeleton diagram for the case where Fig. 8 is indicated after implementing coiling, and stator bending is circlewise deformed.In the figure
The front end of the free end side of the teeth portion 5 of each pole piece 2 is successively pressed against on plug 23, by stator 1 from straight line when coiling
Shape is bent into annular shape.The end face of the pole piece 2 and iron plate 3 that dock when being closed into annular shape is respectively formed with 24 He of protrusion
Recess portion 25, by keeping both ends of the surface chimeric from circumferential insertion.
After chimeric, from the peripheral side of stator 1, such as to use TIG (tungsten inert gas) to weld such welding method,
The end face of docking is fixed to one another and integrated mode shapes stator 1.By the way that protrusion 24 and recess portion 25 are set to docking
Face is able to suppress circumferential loosening when docking, can be improved internal diameter circularity.As long as in addition, the one of pole piece or iron plate
Side setting protrusion, the structure that recess portion is arranged in another party, do not need specially to determine in which side setting protrusion at which side
Recess portion is set.
Figure 26 is the figure for indicating the structure of the stator of other rotating electric machines of embodiments of the present invention 1.Magnetic pole in the figure
Piece 26 is that construction made of multi-disc is laminated along the output axis direction of rotating electric machine in the electromagnetic steel plate of the thin plate of substantially T-shaped,
It is configured to include teeth portion 5 and back yoke 4, which is the part vertically constituted radially relative to output shaft, after described
Yoke portion 4 vertically upward constitutes and constitutes a part of outer peripheral surface in all (rotation) side relative to teeth portion 5.
Iron plate 27 is that will have the electromagnetic steel plate of the thin plate of substantially arc-shaped of width along the output axis direction of rotating electric machine
It is laminated made of multi-disc and constructs, be configured between the back yoke 4 for connecting multiple pole pieces 2.
Pole piece 26 and iron plate 27 are alternately configured to annular shape, in the outer diameter direction end of the back yoke 4 to adjoin each other,
Can bending it be linked by thinner wall section 6.The back yoke 4 of pole piece 26 and the radial end face of iron plate 27 are mutually butted and are formed
Seam 29, the extended line 30 of seam 29 pass through the center O of stator 111.The extended line 30 of institute's seam 29 possessed by stator 111
Intersect in the center O of stator 111.
Figure 27 is the skeleton diagram in the case where being launched into the stator of other rotating electric machines shown in Figure 26 linearly.Such as figure
It is shown, the position consistency of the lower end of the joint face of the lower end at the both ends of the back yoke 4 of pole piece 26 and adjacent iron plate 27,
That is, the back yoke 4 of pole piece 26 and iron plate 27 are configured without the substantially same linear of step difference.
The skeleton diagram for the case where Figure 28 is coiling on the stator of other rotating electric machines shown in Figure 26.As shown in figure 27,
In the case where the stator of other rotating electric machines is launched into linear, the back yoke 4 and iron plate 27 of pole piece 26 are substantially one
It is unfolded on straight line, since iron plate 27 slightly has circular shape, although having in terms of the front end for avoiding flier 17 very small
It is more than needed, but the surfaces of revolution Q due to the front end of flier 17 and back yoke 4 are interfered, to the fixing end of the teeth portion 5 of pole piece 26
Side (rear 4 side of yoke) coiling is almost without more than needed.But due to being configured with iron plate 27 between adjacent pole piece 28, thereby, it is ensured that
Flier 17 rotates required enough lateral spaces.
The stator of the rotating electric machine of embodiments of the present invention 1, by being unfolded as shown in Figure 4 by the stator of rotating electric machine
It is in line in the case where shape, the structure for being separated and unfolded iron plate 3 from pole piece 2, so as to ensure the front end of flier 17
Required region when portion rotates, the iron plate 3 be functionally with the function having the same of the back yoke of pole piece 24 and previous make
For rear yoke with the integrally formed part of tooth.
In addition, forming outer peripheral surface in the case where the stator of the interarea 42 of back yoke 4, rotating electric machine is formed as annular shape
A part and become in the case where the stator of rotating electric machine is launched into linear pole piece upper surface face substantially
It is flat, therefore, is implementing the part of coiling, particularly do not formed in back yoke 4 and the junction section of teeth portion 5 with the recessed of notch
Portion, thus, it is possible to be configured to the front end of flier 17 reliably to reach the root of teeth portion 5 without interfering with back yoke 4.
In addition, in the case where the stator of rotating electric machine is launched into linear, the lower end of 11 part of seam of iron plate 3
(output shaft side end when the stator of rotating electric machine is formed as annular shape, when the stator of rotating electric machine is launched into linear
Flank end) configured always relative to the lower end of 11 part of seam of the back yoke 4 of pole piece 2 in upside.Therefore, in flier
It is more than needed to having at a distance from the interference of iron plate 3 when 17 front end rotation, it can be in the fixation end side of the teeth portion 5 of pole piece 2
(4 side of back yoke) deeper coiling.
As increase when the front end of flier 17 is rotated to the other methods at a distance from the interference of iron plate 3, comprising: as schemed
Shown in 22 and Figure 23, the method for keeping the wall thickness of iron plate 35 thinning, or as shown in Figure 24 and Figure 25, increase the circular arc of iron plate 36
Curvature and the method for forming extreme arcuation.In the former case, by keeping the wall thickness of iron plate 35 thinning, with reality of the invention
The stator for applying the rotating electric machine of mode 1 is compared, and magnetic resistance increases, and thus iron loss increases, and the efficiency of motor reduces.The latter the case where
Under similarly, magnetic circuit is elongated, and compared with the stator of the rotating electric machine of embodiments of the present invention 1, magnetic resistance increases, thus iron loss
Increase, the efficiency of motor reduces.But this point of the root of teeth portion is reliably reached in the front end that can be configured to flier
On, it can reach the purpose of the present invention.
Fig. 9 is to indicate to constitute connecing between the pole piece and iron plate of the stator of the rotating electric machine of embodiments of the present invention 1
The non-uniform figure in the interval of seam.With the angle, θ formed by the lower end of the seam 11 at the both ends of iron plate (5 side end of teeth portion)2Than
The angle, θ formed by the lower end (5 side end of teeth portion) of the seam 11 at the both ends of pole piece 21Small mode configures 2 He of pole piece
Iron plate 3.
Figure 10 is to indicate that the stator by the rotating electric machine of embodiments of the present invention 1 is launched into the figure of linear state.
It can be seen that by coil 10 from output shaft side to rear yoke side by become substantially uniform thickness in a manner of wound on teeth portion 5
When upper, the back yoke 4 of teeth portion 5 is present in the back side of the rear yoke side of insulator 9 without excess or deficiency, therefore becomes back yoke
4 push the form at the back side of the rear yoke side of insulator 9, are able to suppress insulating part 9 and roll to back yoke 4.
On the other hand, Figure 11 and Figure 12 is the magnetic for indicating to make to constitute the stator of the rotating electric machine of embodiments of the present invention 1
The figure of the evenly spaced situation of seam between pole piece and iron plate.With the angle formed by the seam 11 at the both ends of pole piece 2
θ3The angle, θ formed with the seam 11 at the both ends by iron plate 34Consistent mode configures.At this point, by the stator exhibition of rotating electric machine
Be split into it is linear in the state of by coil 10 in teeth portion 5 when, since the back side of the rear yoke side of insulator 9 is more than teeth portion 5
Back yoke 4 and exist, therefore, the rear yoke side of insulator 9 the back side generate be not present back yoke 4 part, can to have
The toppling over to 4 side of back yoke of insulator 9 can be generated.
On the contrary, the stator phase in the case where stator of the rotating electric machine shown in Figure 11, with rotating electric machine shown in Fig. 9
Than the ratio of the back yoke 4 relative to pole piece 2 is capable of increasing the ratio of iron plate 3, the pivot head of flier can be taken to
Further away from the position of teeth portion 5, and it is capable of increasing the curvature of iron plate 3, is capable of increasing the front end rotation when institute of flier 17
The space needed, therefore have and can more reliably avoid back yoke 4 and flier from interfering, is excellent as winding operation becomes easy
Point.
Embodiment 2.
Figure 13 is the figure for indicating the construction of the stator of rotating electric machine of embodiments of the present invention 2.In the embodiment 1
In, illustrate that insulator 9 covers the structure of the inner surface side of the back yoke 4 of pole piece 2, but embodiments of the present invention 2 is exhausted
Edge body 91 is not only covering on this point inner surface side of back yoke 4 of pole piece 2 also covers the inner surface side of iron plate 3 difference.
With this configuration, though in order to improve the occupation efficiency of coil 10 and in teeth portion 5 by coil 10 accumulate compared with
Height can also ensure that the inner surface side of iron plate 3 and the insulation of coil 10.The iron plate 3 at the both ends that pole piece 2 and covering are adjacent
Insulator 91 be integrated component, being capable of bending by notch 33 in the outer diameter direction end 37 of the back yoke 4 to adjoin each other
Ground connection.
Figure 14 is the figure when stator of the rotating electric machine of embodiments of the present invention 2 is launched into linear.As shown,
When being punched from band-like electromagnetic steel plate, assembling insulator portion 91 and carry out coiling, as shown in figure 15, the stator 1 of rotating electric machine
It is configured in such a way that the longitudinal direction of the longitudinal direction of the back yoke 4 of pole piece 2 and the back yoke 4 of iron plate 3 is consistent.
Figure 15 and Figure 16 is to indicate that the stator by the rotating electric machine of embodiments of the present invention 2 is bent into circular state
Skeleton diagram.After implementing coiling, before the free end side (being radially output shaft side) of the teeth portion 5 of each pole piece 2
End is successively pressed against on plug 23, by stator 1 from being linearly bent into circular and process when coiling.At this point, tree
The insulator 91 of rouge material is pushed by the inner surface side of iron plate 3, and stress concentrates on the thinning notch 33 of thickness, using at this as starting point
And bending.
Figure 17 is to indicate that the stator by other rotating electric machines of embodiments of the present invention 2 is formed as circular state
Skeleton diagram.As shown, insulator 92 covers the inner surface side of the back yoke 4 of iron plate 3.But with electric rotating shown in Figure 13
The stator of machine is different, and pole piece 2 and the insulating part 92 for covering the iron plate 3 at the both ends adjacent from pole piece 2 are different components.
In this case, identically as the stator of rotating electric machine shown in Figure 13, it can be ensured that the back yoke 4 of iron plate 3
The insulation of inner surface side and coil 10, but compared with the stator of the rotating electric machine shown in Figure 13, the components number of insulator becomes more,
The conveying operation of component, assembling operation need more times, and productivity deteriorates.
On the other hand, compared with the stator of the rotating electric machine shown in Figure 13, when front end rotation of flier 17 required sky
Between can become larger.
Embodiment 3.
Figure 18 is the skeleton diagram for indicating the coil winding machine of the stator of rotating electric machine of embodiments of the present invention 3.In the reality
In the winding operation for applying mode 1, which is characterized in that successively carry out coiling using teeth portion 5 of the flier 17 to multiple pole pieces 2
Operation, but in the winding operation of embodiment 3, coiling is carried out simultaneously using teeth portion 5 of two fliers 17 to two pole pieces 2
Operation, embodiment 3 are different in this regard.
Two fliers 17 configure side by side in such a way that the longitudinal direction of respective rotary shaft B and teeth portion 5 is consistent.In Xiang Yifang
Pole piece 2 teeth portion 5 winding operation after, make two fliers 17 in the directiond while carrying out sliding work, make this two
A flier 17 is moved to the teeth portion 5 of the pole piece 2 of the non-coiling of adjacent another party and the opposite position rotary shaft B of flier 17
It sets.
At this point, not cutting off the winding ending portion of the coil 10 in the teeth portion 5 of a side, and make it as transition wire
22, and make it along the outside of guidance pin 21 possessed by stationary fixture 16, then, to the teeth portion 5 of another party along with winding
Implement coiling in contrary direction in the teeth portion 5 of a side.In this way, successively implementing to the teeth portion 5 of the pole piece 2 of non-coiling
Winding operation.The time of winding operation substantially shortens compared with embodiment 1.In addition, here, the number of flier 17 is set as two
It is a, but can be three, it is also possible to three or more.However, it is desirable to study the quantity of the coil of coiling, transitional structure etc..
Embodiment 4.
Figure 19 is to indicate that the stator by the rotating electric machine of embodiments of the present invention 4 is formed as the outline of cricoid state
Figure.In the construction of the stator of the rotating electric machine of the embodiment 1, which is characterized in that pole piece 2 and iron plate 3 are with output
In circumferential direction centered on axis, rotatably linked by thinner wall section 6, but in the rotating electric machine of embodiments of the present invention 4
Stator construction in, the cross-sectional view of S-T according to figure 20 it is found that pole piece 2 and iron plate 3 in the outer diameter side to adjoin each other
To end, protrusion 34 and recess portion 38 are set towards the stacking direction of each thin plate, the protrusion 34 and the mutually riveting of recess portion 38 are fixed,
The link mechanism linked with being configured to bending, embodiment 4 are different in this regard.
In the present embodiment, make coil wind after stator return annulus shape when processing compared with embodiment 1
It becomes easy, productive raising can be further realized.In addition, high mechanical precision can be obtained, even if multiple bending, due to
It is not thinner wall section and can prevents cracking from generating, as a result, production the problems such as can prevent magnetic resistance from getting higher and reducing magnetic characteristic
It is raw.
Embodiment 5.
Figure 21 is to indicate that the stator by the rotating electric machine of embodiments of the present invention 5 is formed as the outline of circular state
Figure.In the embodiment 1, the quantity of pole piece 2 is 4, but by the quantity for increasing pole piece 2 and carries out multipolarization,
It can reduce the torque pulsation generated in rotating electric machine.In addition, here, illustrate that the quantity of pole piece 2 is 6 situations,
But it can of course be 8, be also possible to 9, can also be 9 or more.
Embodiment 6.
Figure 29 is the figure for indicating the construction of the stator of rotating electric machine of embodiments of the present invention 6.In the embodiment
In, stator is the construction that directly exposes but it is also possible to be the molded stator by moulded resin covering stator.By being set as such
Structure can constitute the high stator of heat dissipation effect.The Range Representation as shown in oblique line is molded the model of resin covering in the figure
It encloses.
The range as shown in oblique line is to be molded the region that resin covers to be characterized in that, in covering coil 10 and transition wire
The region in 22 region and covering pole piece 2 and iron plate 3, the outer diameter of molded stator is than the part that is surrounded by pole piece 2 and iron plate 3
Outer diameter it is big.On the other hand, the internal diameter of molded stator and the internal diameter of teeth portion 5 are substantially uniform.
Then, illustrate the manufacturing method of the stator of the rotating electric machine of embodiments of the present invention 6.It is resin molded about carrying out
The manufacturing method of stator of rotating electric machine of last stage therefore omitted herein as illustrated in said embodiment
Explanation.Hereinafter, illustrating resin molding method.By the stator arrangement of the rotating electric machine of the embodiment resin forming mould
In tool, moulded resin is flowed into.As moulded resin as used herein, such as there is polyphenylene sulfide (PPS:Poly
Phenylene Sulfide), polyacetal resin (POM:Polyoxymethylene, Polyacetal) or epoxy resin (EP:
Epoxy resin, Epoxide) etc..
In the past, if the heat dissipation effect of the stator of rotating electric machine is low, need to increase the outer diameter of stator expand heat dissipation area,
The high temperature countermeasures such as cooling fan are set.But in the stator of the rotating electric machine of present embodiment, by being covered by moulded resin
Thus the coil of fever has so that the heat generated when being powered to coil radiates and being transmitted to moulded resin and inhibits rotation
The effect of the temperature of the stator of motor.That is, if the stator of rotating electric machine can be made smaller in predetermined temperature
Type.
In addition, when being able to suppress due to rotating electric machine work, the vibration that generates of the when of carrying and make coil sag and and magnetic pole
Piece, iron plate contact, are able to suppress refrigerant, fuel and oil etc. and are attached on the stator of rotating electric machine and deteriorate.
Embodiment 7.
Figure 30 is the figure for indicating the construction of the stator of rotating electric machine of embodiments of the present invention 7.In the embodiment 6
In, which is characterized in that it is molded the region and covering pole piece and iron plate that the region that resin covers is covering coil and transition wire
Region, due to the region covered by moulded resin be cover pole piece 2 and iron plate 3 region, the outer diameter of molded stator
Than by pole piece and iron plate encirclement part outer diameter greatly but it is also possible to be, be molded resin covering region, as covering line
The region of a part in the region and covering pole piece and iron plate of circle and transition wire, the outer diameter of molded stator is formed as than by magnetic
The outer diameter for the part that pole piece and iron plate surround is small.By being formed as such structure, outer diameter can be reduced compared with moulding entirety.
The Range Representation as shown in oblique line is molded the range of resin covering in the figure.
The rotating electric machine of the manufacturing method of the stator of the rotating electric machine of embodiments of the present invention 7 and the embodiment 6
Stator manufacturing method it is substantially uniform, therefore in this description will be omitted.But since the region for being molded resin covering is covering
The region of pole piece 2 and iron plate 3, therefore, the outer diameter ratio of the stator of the rotating electric machine of the embodiment 6 is by pole piece 2 and iron
The outer diameter for the part that piece 3 surrounds is big, however, since the region for being molded resin covering is a part for covering pole piece and iron plate
Region, therefore the outer diameter of the stator of the rotating electric machine of present embodiment and the outer diameter of part that is surrounded by pole piece 2 and iron plate 3
It is identical.As a result, described in the embodiment 6 in addition to effect, additionally it is possible to stator is put into resin molding mold and shape it is fixed
When submodule, pressurizeed by resin molding mold to pole piece or magnetic yoke piece, resin note when can prevent due to forming
Injection pressure and cause pole piece or magnetic yoke piece mobile, so that desired shape such problems can not be configured to.In addition,
In the case where commercialization, it is capable of forming as the more compact shape compared with realizing heat dissipation effect.
Description of symbols
1 stator, 10 coils, 11 seams, 111 stators, 12 elongated surfaces, 13 electromagnetic steel plates, 14 sheet steels, 141 first steel plates
Piece, 142 second sheet steels, 15 automatic coil winding machines, 16 stationary fixtures, 17 fliers, 18 basal parts, 19 pressing plates, 2 pole pieces, 20 spiral shells
Nail, 21 guidance pins, 22 transition wires, 23 plugs, 24 protrusions, 25 recess portions, 26 pole pieces, 27 iron plates, 28 pole pieces, 29 seams, 3
Iron plate, 30 extended lines, 31 central points, the lower end of 32 joint faces, 33 notches, 34 protrusions, 35 iron plates, 36 iron plates, 37 outer diameter directions
End, 38 recess portions, 4 back yokes, 41 central points, 42 interareas, the lower end at 43 both ends, 5 teeth portion, 51 inner ends face, 52 teeth portion,
53 teeth portion, 6 thinner wall sections, 7 protrusions, 8 recess portions, 9 insulators, 91 insulators, 92 insulators.
Claims (15)
1. a kind of stator of rotating electric machine, which is characterized in that
Have:
Multiple pole pieces；And
Multiple iron plates, each adjoining with the pole piece,
The pole piece has back yoke and teeth portion, and the back yoke is along by multiple pole pieces and multiple iron plate shapes
Periphery configuration in the case where circlewise, the teeth portion is prominent from the back yoke to center position and is wound with coil,
The iron plate rotatably links in the circumferential end of the back yoke of adjacent pole piece.
2. the stator of rotating electric machine according to claim 1, which is characterized in that
The back yoke has flat face, which, which is constituted, forms ring by multiple pole pieces and multiple iron plates
A part of outer peripheral surface in the case where shape.
3. the stator of rotating electric machine according to claim 1 or 2, which is characterized in that
In the case where multiple pole pieces and multiple iron plates are launched into linear, the lower end of the end face of the back yoke
Positioned at the lower end position on the lower of the end face of the iron plate more opposite than with the face.
4. the stator of rotating electric machine according to any one of claim 1 to 3, which is characterized in that
The iron plate has the curved surface of arc-shaped, and the curved surface of the arc-shaped is constituted by multiple pole pieces and multiple iron plates
Form a part of the outer peripheral surface in cricoid situation.
5. the stator of rotating electric machine according to any one of claim 1 to 4, which is characterized in that
The end face of the back yoke of at least one pole piece in multiple pole pieces and the iron plate opposite with the face
End face is respectively arranged with mutually chimeric recess portion and protrusion.
6. the stator of rotating electric machine according to any one of claim 1 to 5, which is characterized in that
The iron plate can be linked to bending with the adjacent pole piece by thinner wall section.
7. the stator of rotating electric machine described according to claim 1~any one of 6, which is characterized in that
Also there is the insulator for covering the teeth portion, be wound with coil across the insulator.
8. the stator of rotating electric machine according to claim 7, which is characterized in that
The front end of the insulator extends to and is provided with the inner peripheral surface of the iron plate of the pole piece adjoining of the insulator.
9. the stator of rotating electric machine according to claim 8, which is characterized in that
The insulator has in the junction section of the pole piece for being provided with the insulator and the iron plate adjacent with the pole piece to be lacked
Mouthful.
10. the stator of rotating electric machine according to any one of claim 1 to 9, which is characterized in that
Multiple pole pieces and multiple iron plates are that specified quantity is laminated in the electromagnetic steel plate being punched out and is constituted,
The electromagnetic steel plate being punched out is that part corresponding with multiple pole pieces and multiple iron plates is concatenated
A series of electromagnetic steel plate.
11. the stator of rotating electric machine according to any one of claim 1 to 10, which is characterized in that
Part or all for forming cricoid multiple pole pieces and multiple iron plates is molded resin covering.
12. a kind of manufacturing method of the stator of rotating electric machine, the stator of the rotating electric machine are electric rotatings described in any one of claim 10
The manufacturing method of the stator of machine, the stator of the rotating electric machine is characterized in that,
With following process:
Blank operation is punched out portion corresponding with multiple pole pieces and multiple iron plates from band-like electromagnetic steel plate
Divide a series of electromagnetic steel plate being concatenated；
The electromagnetic steel plate being punched out is laminated lamination process；
Winding process, in the state that the electromagnetic steel plate of the stacking is launched into linear, in the tooth of multiple pole pieces
Convolute coil in portion；And
Process is deformed, in the state of being wound with the coil, makes multiple pole pieces and multiple iron plate deformations circlewise.
13. the manufacturing method of the stator of rotating electric machine according to claim 12, which is characterized in that
The blank operation is that two configured towards each other are punched out from the band-like electromagnetic steel plate is described a series of
The process of electromagnetic steel plate.
14. the manufacturing method of the stator of rotating electric machine according to claim 12 or 13, which is characterized in that
With insulator, at least the one of the teeth portion of the pole piece and the inner peripheral surface of the iron plate adjacent with the pole piece is covered
Part,
The winding process includes the process across the insulator convolute coil,
The deformation process includes by the process of the insulator bending.
15. the manufacturing method of the stator of rotating electric machine described in any one of 2 to 14 according to claim 1, which is characterized in that
It further include a part or complete for being formed as cricoid multiple pole pieces and multiple iron plates with moulded resin covering
The process in portion.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016176160 | 2016-09-09 | ||
| JP2016-176160 | 2016-09-09 | ||
| PCT/JP2017/032028 WO2018047839A1 (en) | 2016-09-09 | 2017-09-06 | Rotary electric machine stator and method for producing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109661759A true CN109661759A (en) | 2019-04-19 |
| CN109661759B CN109661759B (en) | 2020-11-20 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780053244.8A Active CN109661759B (en) | 2016-09-09 | 2017-09-06 | Stator of rotating electric machine and method for manufacturing stator of rotating electric machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6811781B2 (en) |
| CN (1) | CN109661759B (en) |
| WO (1) | WO2018047839A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019187082A (en) | 2018-04-10 | 2019-10-24 | 株式会社東芝 | Stator of rotary electric machine and method of manufacturing stator of rotary electric machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1147163A (en) * | 1995-09-29 | 1997-04-09 | 三菱电机株式会社 | Electric blower and its mfg. method |
| JP2007318858A (en) * | 2006-05-24 | 2007-12-06 | Shinko Electric Co Ltd | Linear actuator, method for assembling stator of same, and actuator |
| CN202818041U (en) * | 2012-07-24 | 2013-03-20 | 美的威灵电机技术（上海）有限公司 | A stator structure for a single-phase induction motor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2888142B2 (en) * | 1993-11-08 | 1999-05-10 | 三菱電機株式会社 | Rotary motor and method of manufacturing the same |
| JPH11262203A (en) * | 1998-03-10 | 1999-09-24 | Shibaura Mechatronics Corp | Stator core for electric motor |
| JP3390684B2 (en) * | 1998-12-18 | 2003-03-24 | 三菱電機株式会社 | Stator and manufacturing method thereof |
| JP3430109B2 (en) * | 2000-02-25 | 2003-07-28 | 松下エコシステムズ株式会社 | Stator of adduction motor |
| JP3704029B2 (en) * | 2000-07-24 | 2005-10-05 | 三菱電機株式会社 | Starting motor stator |
| DE112017000839T5 (en) * | 2016-02-16 | 2018-11-22 | Mitsubishi Electric Corporation | Stator for a rotary electric machine, rotary electric machine using the same, and manufacturing method for a stator for a rotary electric machine |
-
2017
- 2017-09-06 WO PCT/JP2017/032028 patent/WO2018047839A1/en active Application Filing
- 2017-09-06 CN CN201780053244.8A patent/CN109661759B/en active Active
- 2017-09-06 JP JP2018538428A patent/JP6811781B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1147163A (en) * | 1995-09-29 | 1997-04-09 | 三菱电机株式会社 | Electric blower and its mfg. method |
| JP2007318858A (en) * | 2006-05-24 | 2007-12-06 | Shinko Electric Co Ltd | Linear actuator, method for assembling stator of same, and actuator |
| CN202818041U (en) * | 2012-07-24 | 2013-03-20 | 美的威灵电机技术（上海）有限公司 | A stator structure for a single-phase induction motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6811781B2 (en) | 2021-01-13 |
| CN109661759B (en) | 2020-11-20 |
| WO2018047839A1 (en) | 2018-03-15 |
| JPWO2018047839A1 (en) | 2019-02-21 |
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