CN103748770A - Commutator, method for manufacturing commutator, and electric motor - Google Patents
Commutator, method for manufacturing commutator, and electric motor Download PDFInfo
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- CN103748770A CN103748770A CN201280041479.2A CN201280041479A CN103748770A CN 103748770 A CN103748770 A CN 103748770A CN 201280041479 A CN201280041479 A CN 201280041479A CN 103748770 A CN103748770 A CN 103748770A
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- riser
- rectifier
- commutator segment
- commutator
- main part
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/04—Connections between commutator segments and windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/06—Manufacture of commutators
- H01R43/08—Manufacture of commutators in which segments are not separated until after assembly
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
-
- 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
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- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Current Collectors (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
A commutator (8) for an electric motor is equipped with: a roughly cylindrical commutator main body part (81) formed of resin; multiple plate-shaped commutator pieces (82) formed of an electroconductive material and arranged so as to be affixed to the outer peripheral surface of the commutator main body part (81) with approximately identical pitch in the circumferential direction; and risers (83), which are respectively formed integrally on one end of each of the multiple commutator pieces (82), and extend so as to bend up toward the other end of and face the commutator pieces (82), and on which coil wires (W) of the electric motor are wound. In addition, engaging means (83a) are disposed at the tips of the risers (83) of the commutator (8) to prevent the wound coil wires (W) from detaching when fusing occurs.
Description
Technical field
The present invention relates to the manufacture method of rectifier, rectifier and use the electro-motor of above-mentioned rectifier.
The application is based on requiring priority No. 2011-185459 in the Japan Patent Patent of Japanese submit applications on August 29th, 2011, and its content is incorporated herein.
Background technology
In general, electro-motor comprises: be roughly motor case cylindraceous; Be configured in the multiple magnets on the inner peripheral surface of motor case; Be supported in the enclosure the armature that can rotate freely; And the brushgear to armature supply.
Armature comprises: the axle that forms motor drive shaft; Be entrenched in the outside of axle the armature core being fixed; At the distolateral outside of axle the rectifier being fixed of being embedded in of armature core; And the armature coil being formed by the winding wire being wound on armature core.
Rectifier comprises: the columned rectifier main part being formed by resin; And tabular multiple commutator segments, these commutator segments are formed by electric conducting material, and on the Zhou Fangxiang of the outer peripheral face of rectifier main part with roughly equal spacing fixed configurations.In addition, commutator segment by an end of armature core one side, that the mode to turn back towards the other end of commutator segment of forming forms, be hook-shaped riser.Like this, the riser of commutator segment just forms in the mode of relative with commutator segment (mutually facing).In addition, on riser, be wound with from the extended winding wire of armature core, and the winding wire of reeling is pressed against on commutator segment and is fixed together with riser.
At this, by after winding wire is wound onto riser, the riser that is wound with winding wire is carried out to welding together with winding wire, carry out by this fixing of winding wire and commutator segment.When welding, use positive and negative pair of electrodes rod, by a side electrode bar and commutator segment butt, and the opposing party's electrode bar is pressed the riser that is wound with winding wire from radial outside.In addition, in fusion process, by above-mentioned push action, utilize riser and commutator segment to clamp winding wire, and between pair of electrodes rod the large electric current of current flowing value.In addition, because of above-mentioned electric current, and producing and having the heat being caused by resistance between winding wire and commutator segment and between winding wire and riser.Utilize above-mentioned resistance heat by winding wire and commutator segment and riser welding (for example,, with reference to patent documentation 1)
Prior art document
Patent documentation
Patent documentation 1: Japanese Patent Laid-Open 2008-154347 communique
Disclosure of an invention
Invent technical problem to be solved
But, in above-mentioned prior art, in the case of be wound with the length of riser of winding wire shorter, when carrying out in above-mentioned welding that riser is pressed into commutator segment by electrode bar, thereby exist the winding wire being wound on riser to be released from riser, make winding wire depart from the possibility of riser.
Therefore, in the prior art, riser is set as having to a certain degree above length, in case principal vertical line astragal departs from from riser.But in the case of being pressed into the length of the riser on commutator segment grows, after welding, riser has longer butt with commutator segment in the axial direction.Therefore, the axial length of commutator segment is is too much occupied by riser, thereby makes can shorten for the axial length of brush sliding contact on commutator segment.Thereby in order to ensure, for the axial length of brush sliding contact, the axial length of commutator segment self being increased, existence is difficult to the possibility that makes rectifier miniaturization such.
The present invention does in view of above-mentioned situation, and its object is to provide a kind of small-sized rectifier.
The technical scheme that technical solution problem adopts
In order to solve the problems of the technologies described above, according to a first aspect of the invention, provide a kind of rectifier, this rectifier is electro-motor rectifier, it comprises: roughly cylindrical rectifier main part, this rectifier main part is formed by resin; Multiple tabular commutator segments, these commutator segments are formed by electric conducting material, and with roughly equal spacing, fix and be configured in above-mentioned rectifier main part outer peripheral face week upwards; And riser, this riser is formed on multiple above-mentioned commutator segments end separately, above-mentioned riser extends in the mode of turning back towards the other end of above-mentioned commutator segment, and relative with above-mentioned commutator segment, thereby can on above-mentioned riser, be wound with the winding wire of electro-motor, wherein, at the leading section of above-mentioned riser, be provided with engaging element, this engaging element departs from when welding for hindering reeled winding wire.
According to a first aspect of the invention, for hindering the winding wire being wound on riser, from the engaging element of the front end disengaging of riser, be arranged on the leading section of riser.Processing by welding when riser is pressed on commutator segment, can utilize above-mentioned engaging element effectively to prevent that winding wire from being released and departing from by the front end from riser.Therefore, need to not increase in order to prevent winding wire from departing from the length of riser.Consequently, can reduce the shared axial length on commutator segment of riser after welding processing, thereby the part of being occupied by riser in the axial length of commutator segment is reduced.
By this, can in the case of not increasing the length of commutator segment self, fully guarantee the axial length of brush sliding contact on commutator segment.Therefore, can shorten the axial length of commutator segment and the axial length for the main part of fixing commutator segment.In addition, even in the case of the wire diameter of winding wire is thicker, by above-mentioned engaging element is set, also can be in the case of not increasing the length of riser, hinder the winding wire being wound on riser and depart from from the front end of riser.
According to a second aspect of the invention, it is on the basis of the rectifier of a first aspect of the present invention, and the described engaging element of described riser is so that the protuberance that the mode that described riser is radially given prominence to towards relative described commutator segment forms.
According to a third aspect of the invention we, it is on the basis of the rectifier of a second aspect of the present invention, and the cross sectional shape of described riser is formed as general square shape, and chamfer machining is implemented in two of outer surface bights.
According to a forth aspect of the invention, provide a kind of manufacture method of rectifier, this rectifier is electro-motor rectifier, and above-mentioned rectifier comprises: roughly cylindrical rectifier main part, and this rectifier main part is formed by resin; Multiple tabular commutator segments, these commutator segments are formed by electric conducting material, and with roughly equal spacing, fix and be configured in above-mentioned rectifier main part outer peripheral face week upwards; And riser, this riser is formed on multiple above-mentioned commutator segments end separately, above-mentioned riser extends in the mode of turning back towards the other end of above-mentioned commutator segment, and relative with above-mentioned commutator segment, thereby can on above-mentioned riser, be wound with the winding wire of electro-motor, it is characterized in that, the manufacture method of above-mentioned rectifier comprises: annular component molding procedure, in this annular component molding procedure, sheet material is processed and formed annular component, and this annular component is at one end formed with the multiple above-mentioned riser that is radiated entends towards radial outside in portion; Molding process, in this molding process, forms above-mentioned rectifier main part in the inner side of above-mentioned annular component; Segmentation process, in this segmentation process, upwards cuts apart above-mentioned annular component in week with the spacing equating, form above-mentioned commutator segment; Protuberance forms operation, at this protuberance, forms in operation, at the leading section of the above-mentioned riser that is radiated entends, forms towards the outstanding protuberance in the other end of above-mentioned commutator segment; And bending operation, in this bending operation, by above-mentioned riser towards above-mentioned commutator segment bending.
According to a fifth aspect of the invention, it is on the basis of the manufacture method of the rectifier of a fourth aspect of the present invention, and in described molding process, chamfer machining is implemented in two bights of the outer surface to described riser.
According to a sixth aspect of the invention, provide a kind of electro-motor, this electro-motor comprises the rectifier of a first aspect of the present invention or second aspect.
Invention effect
According to above-mentioned rectifier, can shorten the axial length of commutator segment, thereby small-sized rectifier can be provided.
Accompanying drawing explanation
Fig. 1 is the partial sectional view that represents the electro-motor of an embodiment of the present invention.
Fig. 2 is the enlarged drawing of the part centered by rectifier in Fig. 1.
Fig. 3 is the front view that represents the rectifier of an embodiment of the present invention.
Fig. 4 is the major part enlarged drawing of the major part of the rectifier shown in the scope A in presentation graphs 3.
Fig. 5 is the longitudinal section of the rectifier in Fig. 3.
Fig. 6 A is the tabular component that represents to form annular component, and wherein, above-mentioned annular component forms commutator segment.
Fig. 6 B is the tabular component that represents to form annular component, and wherein, above-mentioned annular component forms commutator segment.
Fig. 7 is the figure that the bending machining of the sheet material to being used to form annular component describes.
Fig. 8 is the stereogram that forms the annular component of commutator segment.
Fig. 9 is the stereogram of the annular component of riser after radial outside bending.
Figure 10 is the figure that the molding process in the manufacture method of the rectifier to an embodiment of the present invention describes.
The major part enlarged drawing that Figure 11 is in the molding process of Figure 10, observe from B and C.
Figure 12 is that the protuberance in the manufacture method of the rectifier to an embodiment of the present invention forms the figure that operation describes.
Figure 13 is the figure that the bending operation in the manufacture method of the rectifier to an embodiment of the present invention describes.
Figure 14 is the figure that the welding operation in the manufacture method of the rectifier to an embodiment of the present invention describes.
Figure 15 is the figure that the miniaturization of the rectifier to an embodiment of the present invention describes.
Embodiment
(electro-motor)
Then,, based on Fig. 1 to Fig. 5, an embodiment of the present invention is described.Fig. 1 is the partial sectional view of the electro-motor 1 of present embodiment, and Fig. 2 is the enlarged drawing of the part centered by rectifier 8 in Fig. 1.In addition, Fig. 3 is the front view that represents the rectifier 8 of present embodiment, and Fig. 4 is the major part enlarged drawing of the major part of the rectifier 8 shown in the scope A in presentation graphs 3.In addition, Fig. 4 is the longitudinal section of the rectifier 8 in Fig. 3.
As shown in Figure 1, electro-motor 1 comprises: be roughly motor case 2 cylindraceous; Be configured in the multiple magnets 4 on the inner peripheral surface of motor case 2; The bearing 5 that is configured in motor case 2 in motor case 2 is supported to the armature 6 that can rotate freely; And the brushgear 3 that armature 6 is powered.
The riser 83 being formed on commutator segment 82 forms in the mode of turning back towards the other end of commutator segment 82, and is integrally formed in the mode of relative with commutator segment 82 (mutually facing).In addition on riser 83, be wound with from the extended winding wire W of armature core 9, and the winding wire W reeling is pressed against on commutator segment 82 and is fixed by fusion together with riser 83.
Brushgear 3 comprises: discoid brush holder support 3a; Be installed on the brushgear housing 3b on brush holder support 3a; And brush 3c, this brush 3c is configuring in brushgear housing 3b together with helical spring 3e, and has pigtail 3d.Brush 3c is by helical spring 3e and towards the direction application of force of rectifier 8.Brush 3c by the pressing force of regulation with commutator segment 82 sliding contacts of rectifier 8.In addition, about details and the manufacture method of the structure of rectifier 8 will be described below.
On stator core 9, towards radial outside, be and be formed with radially multiple utmost point tooth 9a.On utmost point tooth 9a, be wound with on winding wire W.By the winding wire W after above-mentioned coiling, form armature coil 10.In addition, the electrical connection integratedly by the overlap joint line being formed by winding wire W between each coil 10.In addition a part that, forms the winding wire W of this overlap joint line is wound on riser 83.After a part of winding wire W is wound on riser 83, by riser 83 is carried out to welding processing, the winding wire W that makes to be wound on riser 83 fixes with respect to commutator segment 82 machineries, and engages at electricity.In addition the brush 3c that brushgear 3 has and commutator segment 82 sliding contacts, and the winding wire W power supply to armature 6 via commutator segment 82 from brush 3c.
(rectifier)
Then,, based on Fig. 3 to Fig. 5, the rectifier 8 of present embodiment is described.Particularly, the shape of riser 83 is described.In addition, Fig. 3 is the front view of rectifier 8.Fig. 4 is the major part enlarged drawing of the major part of the represented rectifier of the scope A in Fig. 38.Fig. 5 is the longitudinal section of rectifier 8.
Riser 83 is integrally formed therewith in one end of commutator segment 82, and is molded into roughly bar-shaped that cross section is square.In addition, riser 83 forms in the mode of turning back towards the other end of commutator segment 82, and forms in the mode of relative with commutator segment 82 (mutually facing).In addition, at the front end of riser 83, be provided with protuberance (engaging element) 83a, this protuberance 83a gives prominence in the mode with step integratedly towards commutator segment 82.Above-mentioned protuberance 83a is released and is departed from from riser 83 when hindering the winding wire W being wound on riser 83 in welding when electro-motor 1 is manufactured.
At this, in the present embodiment, protuberance 83a gives prominence in the mode with step integratedly at the front end of riser 83, but is not limited to this form.Protuberance can be also the bend so that the front end of riser 83 is given prominence to integratedly towards the state of commutator segment 82 bendings.In addition, protuberance can be also the fixture structural unit of installing towards commutator segment 82 at the front end of riser 83.
In addition,, on the outer surface 83b of riser 83, two bights (83c, 83c) implemented to chamfer machining (taper processing).Chamfer machining is implemented in two bights (83c, 83c) by the above-mentioned outer surface 83b to riser 83 like this, thereby in the time of can preventing from being wound with winding wire W on riser 83, winding wire W is by two bights (83c, 83c) hook.Therefore, winding wire W can easily be configured in riser 83 and the boundary member of commutator segment 82, the i.e. root of riser 83.By this, can prevent that part on riser 83, that engage with commutator segment 82 from being occupied by winding wire W when welding.Thereby, do not need riser 83 to form longlyer, just can make rectifier 8 miniaturizations.
(manufacture method of rectifier)
Then,, based on Fig. 6 A to Figure 14, the manufacture method of the rectifier 8 to present embodiment describes.Fig. 6 A and Fig. 6 B are the figure that represents the tabular component that forms annular component, and this annular component forms commutator segment and riser.Fig. 7 is the figure that the bending machining of the sheet material to being used to form annular component describes.In addition, Fig. 6 A represents the front view of tabular component.Fig. 6 B represents the end view of tabular component.Fig. 8 is the stereogram that forms the annular component of commutator segment.Fig. 9 is the stereogram of the annular component that forms towards radial outside bending of riser.Figure 10 is the figure that the molding process to form rectifier main part in annular component describes.Figure 11 is in the molding process of Figure 10, from the major part enlarged drawing of B and C observation.Figure 12 forms to the protuberance of the front end formation protuberance at riser the figure that operation describes.Figure 13 is the figure to becoming hook-shaped bending operation to describe from root bending riser.
(annular component formation operation)
First, based on Fig. 6 A to Fig. 9, the operation that forms annular component R from sheet material made of copper is described.Herein, annular component R forms the commutator segment 82 of rectifier 8 and the member of riser 83.
As shown in Fig. 6 A and Fig. 6 B, the sheet material being formed by banded copper material becomes tabular component P by stamping-out machine-shaping.At this, tabular component P comprises: banded flap part P1; And multiple risers 83, these risers 83 are formed on the distolateral of flap part P1, and with roughly equal being spaced.Then, as shown in Figure 7, tabular component P is implemented to bending machining, so that the both ends butt of flap part P1.Then, tabular component P is formed as the annular component R shown in Fig. 8.Then, as shown in Figure 9, riser 83 is implemented to bending machining, so that riser 83 is radially and extends towards radial outside.
(molding process)
Based on Figure 10 and Figure 11, the molding process that the inner side at annular component R is formed to rectifier main part 81 describes.In molding process, use the stationary fixture 111 of energy annular component R and the movable fixture 112 together with stationary fixture 111, annular component R being gripped.
On stationary fixture 111, be formed with the recess of toroidal.In above-mentioned recess, insert annular component R.Then, the riser 83 of annular component R is to configure with the mode of the open end butt of stationary fixture 111.Then, movable fixture 112 is moved along the direction of arrow of Figure 10 and Figure 11, riser 83 is clamped.At this, as shown in figure 11, two corners (112b, 112b) of the bottom in movable recess 112a fixture 112, that riser 83 is clamped are formed as rounding shape (curve form).Therefore,, when utilizing stationary fixture 111 and movable fixture 112 to clamp riser 83, can implement chamfer machining to two bights (83c, 83c) of the outer surface 83B of riser 83.
In addition, on above-mentioned movable fixture 112, be formed with the cast gate G in the recess that can make resin pl flow into stationary fixture 111.Resin P1 flows into the inner side of annular component R from this cast gate G.By the resin P1 flowing into, form rectifier main part 81.Then, the annular component R that is formed with rectifier main part 81 is taken out from stationary fixture 111.And the flap part P1 cylindraceous of annular component R forms the multiple commutator segments 82 that separate with equidistant from distance through cut.
(protuberance formation operation)
As shown in figure 12, in the rectifier 8 before protuberance forms the processing of operation, riser 83 at right angles extends towards radial outside as the crow flies from one end of commutator segment 82.In addition, at protuberance, form in operation, use has the first stationary fixture 101 cylindraceous, columned the second stationary fixture 102 and the first movable fixture 103 of bottom, wherein, the above-mentioned first interior week of movable fixture 103 and the periphery of the second stationary fixture 102 are with can free straight-line mode chimeric.At this, at the peripheral part of the open end of the first stationary fixture 101, be provided with the 101a of the portion that dodges of concavity.
At protuberance, form in operation, first, rectifier 8 is inserted in the cylinder of the first stationary fixture 101, so that riser 83 remains on the open end of the first stationary fixture 101.Then, utilize above-mentioned open end and the second stationary fixture 102, the base end part of riser 83 is divided and clamps and fix.Then, make the direction of arrow (dodge the direction of the portion 101a) rectilinear motion of the first movable fixture 103 towards Figure 12.By above-mentioned rectilinear motion (extruding), make the fore-end of riser 83 with respect to the main part of riser 83, towards dodging the 101a of portion direction, in the mode with step, give prominence to.Utilization makes said front part give prominence in the mode with step, and forms protuberance (engaging element) 83a at the leading section of riser 83.
(bending operation)
As shown in figure 13, in the rectifier 8 before the processing of bending operation, on the leading section of riser 83, be formed with protuberance (engaging element) 83a.On the other hand, riser 83 at right angles extends towards radial outside as the crow flies from one end of commutator segment 82.At this, in bending operation, use have bottom the 3rd stationary fixture 104 cylindraceous, have bottom the 4th stationary fixture 105 cylindraceous, columned the 5th stationary fixture 106 and the second circular movable fixture 107, wherein, above-mentioned the 4th stationary fixture 105 is configured in the 3rd stationary fixture 104, and can make rectifier 8 insert its inside, above-mentioned the 5th stationary fixture 106 clamps and fixes the both ends of the surface of rectifier 8 together with the 4th stationary fixture 105.
The open end of the 4th stationary fixture 105 is formed as the circular of thin-walled.Utilize above-mentioned circular thinner wall section, the cardinal extremity of riser 83 is supported.In addition, the peristome of the inner peripheral surface of the second movable fixture 107 is formed as from the opening surface taper of undergauge gradually.In addition, in the second movable fixture 107, its outer peripheral face is guided by the inner peripheral surface of the 3rd stationary fixture 104, and inner circumferential surface is guided by the outer peripheral face of the 5th stationary fixture 106 simultaneously, can be along the free rectilinear motion of the direction of arrow of Figure 13 thereby set for.In addition,, by making the second movable fixture 107 along the rectilinear motion of the direction of arrow shown in Figure 13, riser 83 just bends to hook-shaped towards the other end of commutator segment 82.Then, by above each operation, just can form the rectifier 8 of present embodiment.
(effect that present embodiment has)
Therefore, can guarantee fully the axial length of brush 3c sliding contact on commutator segment 82.In addition, can and form shortlyer for the axial length of the rectifier main part 81 of fixing commutator segment 82 by the axial length of commutator segment 82.Consequently, can realize the miniaturization of rectifier 8.In addition, even in the case of the wire diameter of winding wire W is thicker, by above-mentioned protuberance (engaging element) 83a is set, also can be in the situation that riser 83 not being formed longlyer, effectively hinder the winding wire W being wound on riser 83 and depart from from the front end of riser 83.
In addition, only by protuberance, to form rectilinear motion (extruding) operation of operation just plastic for protuberance 83a.Therefore, can carry out moulding protuberance 83a with easy manufacture method.
Industrial utilizability
According to above-mentioned rectifier, can shorten the axial length of commutator segment, thereby small-sized rectifier can be provided.
(symbol description)
1 electro-motor
2 shells
3 brushgears
4 magnets
6 armatures
7 axles
8 rectifiers
9 armature cores
81 rectifier main parts
82 commutator segments
83 risers
83a protuberance (engaging element)
83b outer surface
83c bight
101 first stationary fixtures
102 second stationary fixtures
103 first movable fixtures
104 the 3rd stationary fixtures
105 the 4th stationary fixtures
106 the 5th stationary fixtures
107 second movable fixtures
201 first electrode bars
202 second electrode bars
W winding wire
Claims (6)
1. a rectifier, this rectifier is electro-motor rectifier, it comprises:
Roughly cylindrical rectifier main part, this rectifier main part is formed by resin;
Multiple tabular commutator segments, these commutator segments are formed by electric conducting material, and with roughly equal spacing, fix and be configured in described rectifier main part outer peripheral face week upwards; And
Riser, this riser is formed on multiple described commutator segments end separately, and described riser extends in the mode of turning back towards the other end of described commutator segment, and relative with described commutator segment, thereby can on described riser, be wound with the winding wire of electro-motor
It is characterized in that,
At the leading section of described riser, be provided with engaging element, this engaging element departs from when welding for hindering reeled winding wire.
2. rectifier as claimed in claim 1, is characterized in that,
The engaging element of described riser is so that the protuberance that the mode that described riser is radially given prominence to towards relative described commutator segment forms.
3. rectifier as claimed in claim 2, is characterized in that,
The cross sectional shape of described riser is formed as general square shape, and chamfer machining is implemented in two of outer surface bights.
4. a manufacture method for rectifier, described rectifier is electro-motor rectifier, described rectifier comprises:
Roughly cylindrical rectifier main part, this rectifier main part is formed by resin;
Multiple tabular commutator segments, these commutator segments are formed by electric conducting material, and with roughly equal spacing, fix and be configured in described rectifier main part outer peripheral face week upwards; And
Riser, this riser is formed on multiple described commutator segments end separately, and described riser extends in the mode of turning back towards the other end of described commutator segment, and relative with described commutator segment, thereby can on described riser, be wound with the winding wire of electro-motor
It is characterized in that,
The manufacture method of described rectifier comprises:
Annular component molding procedure, in this annular component molding procedure, processes and forms annular component sheet material, and this annular component is at one end formed with the multiple described riser that is radiated entends towards radial outside in portion;
Molding process, in this molding process, forms described rectifier main part in the inner side of described annular component;
Segmentation process, in this segmentation process, upwards cuts apart described annular component in week with the spacing equating, form described commutator segment;
Protuberance forms operation, at this protuberance, forms in operation, at the leading section of the described riser that is radiated entends, forms towards the outstanding protuberance in the other end of described commutator segment; And
Bending operation, in this bending operation, by described riser towards described commutator segment bending.
5. the manufacture method of rectifier as claimed in claim 4, is characterized in that,
In described molding process, chamfer machining is implemented in two bights of the outer surface to described riser.
6. an electro-motor, is characterized in that,
Described electro-motor comprises the rectifier described in claim 1 or 2.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-185459 | 2011-08-29 | ||
| JP2011185459A JP2012110209A (en) | 2010-10-21 | 2011-08-29 | Commutator, method of manufacturing the commutator and electric motor |
| PCT/JP2012/060743 WO2013031285A1 (en) | 2011-08-29 | 2012-04-20 | Commutator, method for manufacturing commutator, and electric motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103748770A true CN103748770A (en) | 2014-04-23 |
| CN103748770B CN103748770B (en) | 2016-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280041479.2A Active CN103748770B (en) | 2011-08-29 | 2012-04-20 | Rectifier, the manufacture method of rectifier and electro-motor |
Country Status (4)
| Country | Link |
|---|---|
| JP (2) | JP2012110209A (en) |
| KR (1) | KR101598772B1 (en) |
| CN (1) | CN103748770B (en) |
| WO (1) | WO2013031285A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281502A (en) * | 2014-07-25 | 2016-01-27 | 博世汽车部件(长沙)有限公司 | Commutator and motor including the same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6478827B2 (en) * | 2015-06-15 | 2019-03-06 | 株式会社ミツバ | Commutator and commutator manufacturing method |
| JP6545045B2 (en) * | 2015-08-28 | 2019-07-17 | 株式会社ミツバ | Commutator, motor with reducer, and method of manufacturing commutator |
| CN106911232B (en) * | 2017-04-01 | 2024-04-16 | 宁波韵升电驱动技术有限公司 | Pressing device and pressing method for armature commutator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20030057798A1 (en) * | 2000-05-12 | 2003-03-27 | Mitsubishi Denki Kabushiki Kaisha | Commutator assembly for motor |
| CN101207258A (en) * | 2006-12-15 | 2008-06-25 | 株式会社美姿把 | Commutator, mold for producing commutator, and method for producing commutator |
| JP2009136036A (en) * | 2007-11-28 | 2009-06-18 | Mitsuba Corp | Commutator and its manufacturing method |
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| JP2532387B2 (en) * | 1986-06-11 | 1996-09-11 | 松下電器産業株式会社 | Commutator |
| JP3548891B2 (en) * | 1991-10-21 | 2004-07-28 | 株式会社日立製作所 | Bonding method and bonded body of insulated conductor |
| JPH05198341A (en) * | 1992-01-22 | 1993-08-06 | Koryo Denki Kk | Commutator for rotational electric machine |
| JPH0595184U (en) * | 1992-05-22 | 1993-12-24 | 株式会社三協精機製作所 | Armature |
| JPH0982378A (en) * | 1995-09-14 | 1997-03-28 | Hitachi Media Electron:Kk | Connecting structure of terminal and coil wire rod and connecting method |
| JP4101861B2 (en) * | 1999-06-03 | 2008-06-18 | 株式会社ミツバ | Terminal for fusing |
| JP2001267124A (en) * | 2000-03-22 | 2001-09-28 | Pacific Ind Co Ltd | Structure of fusing terminal of electromagnetic valve coil |
| JP4103696B2 (en) * | 2003-06-24 | 2008-06-18 | 松下電器産業株式会社 | Hook-type terminal connection method and apparatus |
| JP2006005051A (en) * | 2004-06-16 | 2006-01-05 | Hanshin Electric Co Ltd | Ignition coil for internal combustion engine |
| JP5237767B2 (en) * | 2008-11-17 | 2013-07-17 | アスモ株式会社 | Commutator, armature and motor including the commutator, method for manufacturing the armature, and method for manufacturing the motor |
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2011
- 2011-08-29 JP JP2011185459A patent/JP2012110209A/en active Pending
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2012
- 2012-04-20 JP JP2013531123A patent/JP5937081B2/en active Active
- 2012-04-20 WO PCT/JP2012/060743 patent/WO2013031285A1/en active Application Filing
- 2012-04-20 KR KR1020147005239A patent/KR101598772B1/en not_active IP Right Cessation
- 2012-04-20 CN CN201280041479.2A patent/CN103748770B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030057798A1 (en) * | 2000-05-12 | 2003-03-27 | Mitsubishi Denki Kabushiki Kaisha | Commutator assembly for motor |
| CN101207258A (en) * | 2006-12-15 | 2008-06-25 | 株式会社美姿把 | Commutator, mold for producing commutator, and method for producing commutator |
| JP2008154347A (en) * | 2006-12-15 | 2008-07-03 | Mitsuba Corp | Commutator, metal mold for manufacturing commutator, and manufacturing method of commutator |
| JP2009136036A (en) * | 2007-11-28 | 2009-06-18 | Mitsuba Corp | Commutator and its manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105281502A (en) * | 2014-07-25 | 2016-01-27 | 博世汽车部件(长沙)有限公司 | Commutator and motor including the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012110209A (en) | 2012-06-07 |
| WO2013031285A1 (en) | 2013-03-07 |
| JP5937081B2 (en) | 2016-06-22 |
| JPWO2013031285A1 (en) | 2015-03-23 |
| KR20140046035A (en) | 2014-04-17 |
| CN103748770B (en) | 2016-11-09 |
| KR101598772B1 (en) | 2016-03-02 |
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