WO2004015845A1 - コイル形成方法及びコイル形成装置 - Google Patents
コイル形成方法及びコイル形成装置 Download PDFInfo
- Publication number
- WO2004015845A1 WO2004015845A1 PCT/JP2003/010145 JP0310145W WO2004015845A1 WO 2004015845 A1 WO2004015845 A1 WO 2004015845A1 JP 0310145 W JP0310145 W JP 0310145W WO 2004015845 A1 WO2004015845 A1 WO 2004015845A1
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- Prior art keywords
- winding
- coil
- jig
- frames
- frame
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/022—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with salient poles or claw-shaped poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/04—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
- H02K15/0435—Wound windings
- H02K15/0442—Loop windings
-
- 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
- H02K15/06—Embedding prefabricated windings in machines
- H02K15/062—Windings in slots; salient pole windings
- H02K15/065—Windings consisting of complete sections, e.g. coils, waves
- H02K15/066—Windings consisting of complete sections, e.g. coils, waves inserted perpendicularly to the axis of the slots or inter-polar channels
-
- 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
- H02K15/06—Embedding prefabricated windings in machines
- H02K15/062—Windings in slots; salient pole windings
- H02K15/065—Windings consisting of complete sections, e.g. coils, waves
- H02K15/067—Windings consisting of complete sections, e.g. coils, waves inserted in parallel to the axis of the slots or inter-polar channels
- H02K15/068—Strippers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49009—Dynamoelectric machine
Definitions
- the present invention relates to an apparatus and a method for forming a coil used in a motor (electric motor).
- a single-pole coil is formed by winding a wire around the above-mentioned winding frame using a winder that leads the electric wire (wire) around the fixed winding frame. Then, in order to form another single-pole coil connected to the obtained single-pole coil, turn the winder in the opposite direction around the fixed winding frame again to form a single-pole coil with the opposite winding direction. .
- a method for forming a coil for supplying an electric wire while the winder rotates around the winding frame for example, a method disclosed in Japanese Patent Application Laid-Open No. 2000-253636 is disclosed. is there.
- the outer diameter of a winding frame for winding an electric wire can be changed, and the flyer as the winder is rotated around the winding frame to sequentially rotate the wound single-pole coil.
- the coil is wound on the blade to form a continuous coil used for the motor.
- the conventional coil forming method has the following problems. That is, since the electric wire is supplied while rotating the winder, the electric wire is wound around the winding frame while being twisted with the rotation of the winder. If the coil is formed while the wire is twisted, the wire cannot move independently in the slot, or the twist will create a useless space, which hinders the improvement of the coil space factor. .
- the present invention has been made in view of such conventional problems, and has as its object to provide a coil forming method and a coil forming apparatus capable of forming a monopolar coil without causing twisting of an electric wire. is there. Disclosure of the invention
- the first invention is a method of forming a motor coil formed by connecting a plurality of single-pole coils each formed by winding an electric wire in a loop shape
- the electric wire is supplied to a first winding frame which is one of the plurality of winding frames for winding, and an axis of the first winding frame or a line substantially parallel to the axis is provided.
- the entire winding jig is rotated around the center, and the electric wire is wound around the first winding frame to form the single-pole coil.
- the coil forming method is characterized in that the single-pole coil is formed in the same manner as the winding frame, and the coil for the motor is formed (claim 1).
- an electric wire is supplied to each winding frame, and the entire winding jig is rotated around the axis of each winding frame or a line substantially parallel to the axis.
- the electric wire is wound around each winding frame to form the single-pole coil.
- the wire itself is not wound while being rotated using a winder as in the conventional case.
- the winding can be performed with little tension in the direction in which the electric wire is twisted.
- each single-pole coil can be formed on each winding frame without twisting the wire.
- the second invention is an apparatus for forming a motor coil formed by connecting a plurality of single-pole coils each formed by winding an electric wire in a loop shape
- a winding jig having a plurality of winding frames
- the winding jig is provided by the rotating device.
- each single pole coil is wound around each of the winding frames by rotating around the axis of each winding frame or a line substantially parallel to the axis, on which the whole is wound, to form the single-pole coil. Therefore, each single pole coil can be formed on each winding frame without causing twisting of the electric wire, as in the above invention.
- the winding of the electric wire is performed in a state in which one of the plurality of winding frames, which performs winding, is protruded from the other winding frame. (Claim 2).
- an electric wire can be easily supplied to the projecting winding frame from a direction perpendicular to the axis of the winding frame. Therefore, the supply of electric wires is easy, and the winding of the electric wires around the bobbin is also easy, so that a single-pole coil having almost no torsion can be formed more easily.
- the winding of the electric wire is performed by sequentially bringing the axis of the winding frame for winding the electric wire close to the rotation center of the winding jig (claim 3).
- the winding jig has a plurality of winding frames to form the continuous pole coil
- the winding frame for winding is not so eccentric from the rotation center.
- the wire can be wound. Therefore, a unipolar coil having almost no torsion can be formed more easily.
- the plurality of winding frames are arranged so that their axes are shifted without overlapping each other.
- the winding of the electric wire can be performed by rotating the entire winding jig around the axis of each of the winding frames arranged so as to be shifted without overlapping with each other.
- a winding jig having a base holder and a plurality of winding frames disposed on the outer peripheral surface of the base holder, the winding frame being movably disposed with respect to the base holder;
- the entire winding jig is rotated around the axis of the first winding frame or a line substantially parallel to the axis, and the electric wire is wound around the winding frame to provide a single-pole coil.
- a winding step for forming a reel wherein the winding frame projecting step and the winding step are adjacent to each other.
- the coil for the motor by sequentially performing the winding on the winding frame (claim 5).
- a uniquely configured winding jig having the base holder and the winding frame is used.
- the winding frame projecting step and the winding step are sequentially performed for each of the winding frames.
- the winding step is performed by rotating the entire winding jig around the axis of the projecting winding frame or a line parallel to the axis. Therefore, as described above, the wires can be supplied from one direction, and there is no need to turn the wires themselves as in the past. Therefore, a single-pole coil can be formed on the bobbin without causing twisting of the electric wire.
- the winding step is performed after the winding frame projecting step.
- the winding frame to be subjected to the winding process when changed, it can be changed by performing the above-mentioned winding frame projecting process, and a space for supplying electric wires is provided between adjacent winding frames. Need not be provided.
- the length of the resulting crossover between the single-pole coils can be kept sufficiently short. Therefore, a single-pole coil can be formed without causing twisting of the electric wire, and the length of the crossover between the single-pole coils can be reduced.
- a method of projecting the winding frame in the above-described winding frame projecting step a method in which the winding frame is linearly advanced in the axial direction and projected in the axial direction as described later, It is also possible to adopt a method in which the bobbin is turned so as to face in a direction substantially perpendicular to the axis, and protrudes to the side of another bobbin.
- the direction and method of projecting the bobbin are not particularly limited.
- the winding frame is disposed so as to be able to advance and retreat substantially linearly in the axial direction, and in the winding frame projecting step, one winding frame is advanced so as to protrude from the other winding frames. It is preferable (claim 6). In this case, the winding frame moving mechanism can be simplified and the projecting operation can be easily performed.
- the method of moving the bobbin in addition to the above-described substantially rectilinear movement, a method of rotating the bobbin, a method of combining forward and backward movement with a swirl, and various other moving methods can be applied. it can.
- the winding frame on which the single-pole coil is formed is retracted.
- a winding frame retreating step is performed (claim 7). In this case, the subsequent step of projecting and winding the other winding frames can be easily performed.
- the winding step is performed by sequentially reversing the rotation direction of the winding jig for each winding frame.
- a coil formed by connecting single-pole coils having different winding directions can be easily formed.
- the winding jig may be configured such that one of the plurality of winding frames, which performs winding, is protruded from the other winding frame so that the electric wire is wound. It is preferably configured to perform the rotation (claim 10).
- each of the above-mentioned winding frames can separately project from the other winding frames. Therefore, an electric wire can be easily supplied to the projecting winding frame from a direction perpendicular to the axis of the winding frame. Therefore, the supply of electric wires is easy and the winding of the electric wires on the bobbin is easy, so that a single-pole coil having almost no torsion can be easily formed.
- the winding jig is configured to wind the electric wire by sequentially bringing the axes of the winding frames closer to the rotation center of the winding jig (claim 1). 1).
- the winding jig has a plurality of winding frames to form the continuous pole coil
- the winding frame for winding is not so eccentric from the rotation center.
- the wire can be wound. Therefore, it is possible to more easily form a single-pole coil having almost no torsion.
- the plurality of winding frames are arranged so that their axes do not overlap with each other (claim 12).
- the winding of the electric wire can be performed by rotating the entire winding jig about the axis of each of the winding frames arranged so as not to overlap with each other.
- the plurality of winding frames are arranged such that imaginary lines connecting the centers of gravity of the respective winding frames have a substantially circular shape (claim 13).
- the winding frames can be easily arranged close to each other, and the length of the connecting wire connecting the single-pole coils wound on each winding frame can be reduced. Content It can be easily shortened.
- the axes of the plurality of winding frames are arranged radially outward or obliquely outward from the center of the substantially circular imaginary line (claim 14).
- the arrangement of the respective winding frames is easy, and the winding frame for winding the electric wire is rotated by rotating the winding jig on which the respective winding frames are arranged. The tool can be easily approached to the center of rotation.
- the axes of the plurality of winding frames may be arranged substantially parallel to each other (claim 15).
- the arrangement of the respective winding frames is easy, and the winding frame for winding the electric wire is rotated by rotating the winding jig on which the respective winding frames are arranged.
- the tool can be easily approached to the center of rotation.
- the winding jig has a base holder and a plurality of winding frames provided on an outer peripheral surface of the base holder, and the winding frame is movably provided with respect to the base holder.
- the rotating device is configured such that one of the winding frames is protruded from the other winding frame, and the rotating device is configured to project the whole of the winding jig. It is preferable that the rotation is made about a line substantially parallel to the axis (claim 16).
- the electric wire is supplied to the protruding winding frame, and the entire winding jig is rotated around the axis of the protruding winding frame or a line substantially parallel to the axis to obtain the electric wire.
- a single-pole coil can be formed without the occurrence of twisting, and the length of the crossover between the single-pole coils can be reduced.
- the base holder has a disk shape, and the plurality of winding frames are provided so as to be able to advance and retreat along an axis extending radially from a center point of the base holder. ).
- the entire winding jig is centered on the center point of the base holder. May be slightly rotated to engage the rotary device. Therefore, during rotation when the winding frame for winding is changed.
- each of the winding frames has a sector shape whose width increases along the axis.
- the shape of the monopolar coil formed on each winding frame can be a shape whose width increases along the axis. Therefore, for example, a coil shape suitable for mounting from the inner peripheral surface of the stator core can be easily obtained.
- each of the winding frames has a detachable molding block for adjusting the shape of the wound single-pole coil (claim 19). In this case, the shape of the monopole coil can be easily changed by using different shaped blocks.
- an outer shape line formed by a tip of the winding frame in a state where all the winding frames are retracted has a circular shape centered on a center point of the base holder. (Claim 20).
- the coil when the coil is inserted from the inner surface of the ring-shaped stator core, the coil is formed and held on the inner surface side of the stator core, and the coil is connected to another device. It can be directly mounted on the stator core without moving to the stator core. Therefore, the motor manufacturing process can be greatly streamlined compared to the past.
- FIG. 1 is an explanatory view showing the configuration of the coil forming apparatus in the first embodiment
- FIG. 2 is an explanatory view showing a state in which a coil is formed by the coil forming apparatus in the first embodiment
- FIG. 4 is an explanatory view showing the state in which the winding frame of the winding jig is retracted in the first embodiment
- FIG. 5 is a winding figure in the first embodiment.
- Explanatory drawing showing a state in which the first bobbin of the taking jig is advanced
- FIG. 1 is an explanatory view showing the configuration of the coil forming apparatus in the first embodiment
- FIG. 2 is an explanatory view showing a state in which a coil is formed by the coil forming apparatus in the first embodiment
- FIG. 4 is an explanatory view showing the state in which the winding frame of the winding jig is
- FIG. 6 is an explanatory view showing a state in which the winding jig is rotated around the axis of the first winding frame and the electric wire is wound in the first embodiment.
- FIG. 7 is a diagram showing the first winding in the first embodiment.
- FIG. 8 is an explanatory view showing a state in which the winding of the electric wire on the frame is completed,
- FIG. 8 is an explanatory view showing the state in which the first winding form is retracted in the first embodiment, and
- FIG. 10 is an explanatory view showing a state in which the second bobbin of the jig is advanced.
- FIG. 10 is a diagram showing the winding jig according to the first embodiment, in which the winding jig is rotated about the axis of the second bobbin.
- FIG. 11 is an explanatory view showing a completed state
- FIG. 11 is an explanatory view showing a state in which the second bobbin is retracted in the first embodiment
- FIG. 12 is a third view of the winding jig in the first embodiment.
- FIG. 13 is an explanatory view showing a state in which the winding frame is advanced
- FIG. 13 is a diagram showing a winding jig according to the first embodiment, in which the winding jig is rotated about the axis of the third winding frame.
- FIG. 14 is an explanatory view showing a state in which the third bobbin is retracted in Embodiment 1
- FIG. 15 is a fixing structure at a retracted position of the bobbin in Embodiment 1.
- Fig. 16 is an explanatory view showing a state in which the positioning pin of the bobbin is disengaged from the guide plate in the first embodiment
- Fig. 17 is an advancing form of the bobbin in the first embodiment.
- FIG. 18 is an explanatory view showing the fixing structure at the position
- FIG. 18 is an explanatory view showing a state in which the winding jig is arranged inside the stator core in Embodiment 2, and FIG.
- FIG. 20 is a perspective view showing the coil insertion device in the third embodiment
- FIG. 22 Shows the insertion blade and the temporary shaping blade in the coil insertion device advanced
- FIG. 22 is an explanatory view showing the advance direction of the insertion blade and the provisional shaping blade in the third embodiment.
- FIG. 23 is a perspective view of the single pole coil forming bobbin in the fourth embodiment in the projection of the base holder.
- FIG. 24 is a perspective explanatory view showing a state in which a single-pole coil is mounted and a single-pole coil is formed.
- FIG. 25 is a perspective view showing a coil forming apparatus according to the fifth embodiment
- FIG. 26 is a perspective view showing a coil forming apparatus according to the fifth embodiment
- FIG. 27 is a perspective view showing a coil forming apparatus in a state in which a continuous pole coil is formed.
- FIG. 27 is an explanatory view showing each winding frame in a state where the outer winding frame portion is at a winding position in Embodiment 5.
- FIG. FIG. 15 shows each of the winding frames in Example 5 in which the outer winding frame portion is in the release position ⁇ . Illustration, FIG. 2 9 in Example 5, Ho the convolutions axis of the first coil ⁇ the pivot axis of the pivot arm FIG.
- FIG. 30 is a perspective view showing a coil forming apparatus in a state where the coil forming apparatus is protruded from all the remaining winding frames, and FIG. 30 is a diagram showing a fifth embodiment in which an electric wire is wound around a first coil winding frame to obtain a single-pole coil;
- FIG. 31 is a perspective view showing the coil forming apparatus in a state in which the coil is formed.
- FIG. 31 shows the fifth embodiment.
- FIG. 32 is a perspective view showing a coil forming apparatus in a state in which an electric wire is wound around this first wire winding frame so as to protrude from all the winding frames, and FIG. FIG.
- FIG. 33 is a perspective view showing the coil forming apparatus in a state where the winding axis of the coil bobbin is substantially aligned with the center axis of the pivoting arm and protrudes from all the remaining bobbin frames.
- FIG. 4 is a perspective view showing a coil forming device in a state where an electric wire is wound around a second coil winding frame to form a single-pole coil;
- 34 is a perspective view showing a coil forming apparatus in which the electric wire is wound around all the winding frames in Example 5 to form a pole coil, and
- FIG. 35 is a perspective view showing all the winding frames in Example 5.
- FIG. 36 is an explanatory view schematically showing a state in which an electric wire is wound to form a repetitive coil, and FIG.
- FIG. 36 shows a state in which the repetitive coil is transferred from the winding jig to the inserter jig in the sixth embodiment.
- Fig. 37 is a plan view showing the coil forming / inserting device of Fig. 37.
- Fig. 37 shows the coil forming / inserting device of Embodiment 6 in which the winding jig holding the continuous pole coil is advanced to the inserter jig.
- FIG. 38 is an explanatory view of the coil forming / inserting device according to the sixth embodiment, in which the tip of the coil receiving portion of the inserter jig is fitted into the fitting recess of the coil winding frame of the winding jig.
- FIG. 39 is an explanatory view of the winding jig in the sixth embodiment.
- Fig. 40 is an explanatory view showing a coil type insertion device in a state in which each outer winding frame portion of the coil winding frame is moved to a detaching position and each monopole coil is detached from each coil winding frame.
- Fig. 41 is an explanatory view showing a coil forming / inserting device in a state in which the dispensing core of the winding jig is advanced and the continuous pole coil is extruded to a specified position in the inserter jig in Fig. 41; Explanatory drawing showing the coil forming / inserting device in a state where the wiping jig is retracted from the inserter jig. Fig.
- FIG. 42 shows the coil receiving part of the inserter jig in the sixth embodiment facing the inner peripheral surface of the stator core.
- FIG. 43 is an explanatory view showing the coil forming / inserting device in a state where the coils are formed, and
- FIG. Insertion device A plan view showing, in Fig. 4 4 Example 6, each of the connecting pole coils from the inserter jig of the stator core PCT / JP2003 / 010145
- FIG. 4 is an explanatory plan view showing a coil forming / inserting device inserted and inserted into a slot.
- FIGS. 1-10 A coil forming method and a coil forming apparatus according to an embodiment of the present invention will be described with reference to FIGS.
- the coil forming apparatus 1 of this example is a motor coil 9 composed of three single-pole coils 90 formed by winding an electric wire 99 in a loop (see FIG. 14). ), Comprising a winding jig 2 and a rotating device 4.
- the winding jig 2 has a base holder 20 and a plurality of winding frames 3 arranged on the outer peripheral surface of the base holder 20, as shown in FIGS.
- Each of the winding frames 3 is disposed so as to be able to advance and retreat with respect to the base holder 20, so that any one of the winding frames 3 can be protruded from the other winding frames.
- the rotating device 4 is configured to rotate the entire winding jig 2 about the axis C of the projecting winding frame 3 in the reciprocating direction.
- the base holder 20 has a disk shape. That is, the base holder 20 has a pair of upper and lower ring-shaped plates 21 and 22 and a plurality of positioning holes 2 1 2 and 2 around the central through-holes 210 and 220 respectively. Has 2 2 The central through-holes 210 and 220 and the surrounding positioning holes 211 and 222 are used to determine an engagement position with the rotating device 4 described later.
- the pair of upper and lower ring-shaped plates 21 and 22 are connected via a separate plate 29 arranged along a direction extending radially from the center of the plates.
- four separate plates 29 were arranged at an inner angle of 30 ° pitch, and four separate plates 29 were arranged at an inner angle of 30 ° pitch at positions facing these.
- the winding frames 3 were arranged in a space having an inner angle of about 30 ° provided between the adjacent separate plates 29.
- three winding frames 3 are provided adjacent to each other, and a total of six winding frames 3 are provided.
- the winding jig 2 of this example further includes a separate plate 29 and a winding frame 3 at a vacant position on the outer peripheral surface of the disk-shaped base holder 20. And a maximum of 12 winding frames 3 can be provided.
- the winding frame 3 is provided so as to be able to advance and retreat along an axis extending radially from the center point of the base holder 20.
- Each winding frame 3 has a fan-shaped shape whose width increases along the axis.
- each winding frame 3 has a surface parallel to the ring-shaped plates 21 and 22 of the base holder 20 as a front surface and a back surface, respectively, and the entire shape viewed from the front surface and the back surface.
- Forming blocks 33, 34 for adjusting the shape of the wound single-pole coil are provided on the front and back surfaces of the frame main body 32 in a detachable manner. These molding pro- Fallss 33, 34 also have a substantially sector shape, and have cutouts 330, 340 at the center. The molded blocks 33, 34 are fixed to the frame 32 by screwing screws (not shown).
- the formed blocks 33, 34 of this example are made thicker as they approach the inner side from the outer side, and the height of the single-pole coil to be formed is increased on the inner side. So that it becomes higher as it comes to
- the frame main body 32 has a rectangular through hole 329 in the axial direction from the notch 320 to the base holder 20.
- Rod holes 328 which are circular through-holes, are provided above and below the through-hole 329.
- the winding frame 3 is disposed on the base holder 20 so as to be able to advance and retreat by fixing the guide plate 31 through the through hole 3 229 to the base holder 20.
- the guide plate 31 has a base end 3 15 fixed to the base holder 120 and a substantially T-shaped portion for regulating the advance position of the winding frame 3. And a tip portion 310 whose dimension in the vertical direction is increased. Then, the base end 315 of the guide plate 31 is passed through the through hole 329 opening at the bottom of the notch 322 of the frame main body 322, and the spring 313 is provided. Pass the rod 35 equipped with 6 through the through holes 3 28 provided above and below the through hole 3 29 of the frame main body 32. Then, the base end 3 15 of the guide plate 31 is sandwiched and fixed between a pair of upper and lower ring-shaped plates 21, 22 of the base holder 20, and one end of two rods 35 is also fixed.
- the bobbin 3 is fixed so as to be able to advance and retreat along an axis extending radially from the center point of the base holder 20.
- the winding frame 3 has a positioning pin 38 that allows the pin tip 381 to move forward and backward by picking and manipulating the pin head 380.
- the guide plate 31 has pin holes 318 and 319 that can be engaged with the pin tip 381 described above.
- the winding frame 3 retreats and approaches the base holder 20. State is maintained.
- the positioning pin 38 is retracted to disengage the pin tip 3 81 from the pin hole 3 18, and the bobbin 3 is moved by the spring 36.
- the positioning pin 38 is advanced again to engage the pin tip 381 with the pin hole 319.
- the winding frame 3 is configured to advance in the axial direction and be fixed at a position away from the base holder 20.
- each of the winding frames 3 arranged as described above there are separate plates 29 extending from the outer peripheral surface of the base holder 20. A predetermined space that functions as a coil holding groove, which will be described later, is held between the separate plate 29 and the winding frame 3.
- the outline formed by the leading end of the winding frame 3 in a state where all of the winding frame 3 is retracted is centered on the center point of the base holder 20. It has a circular shape.
- the winding jig 2 of the present example has a shape in which each winding frame 3 can be arranged so as to face the inner peripheral surface of the stator core described later.
- the rotating device 4 of the present example includes a straight portion 41 extending from a drive shaft (not shown) and the straight portion 41 connected to the straight portion 41 via flanges 4 15 and 4 20.
- a bent flange 42 connected to the winding jig 2 is provided at the end of the bent portion 42.
- the bent part 42 has a first part 421, which extends coaxially with the straight part 41, and a second part 42, which is bent 90 degrees from the first part and extends.
- the connection flange 425 is provided at the end of the fourth part 424.
- connection flange 4 25 when the connection flange 4 25 is connected to the base holder 20 of the winding jig 2, the center point of the thickness direction and the radial direction of the base holder 20 is adjusted. The position is adjusted so as to be on the axis of the straight portion 41.
- the circumferential fixing position of the connection flange 4 25 and the winding jig 2 is such that the axis C of the winding frame 3 coincides with the rotation center C 2 of the straight portion 41 of the rotating device 4. Is configured to be appropriately changeable.
- FIGS. a method of forming a motor coil 9 formed by connecting a plurality of single-pole coils 90 using the coil forming device 1 having the winding jig 2 and the rotating device 4 will be described with reference to FIGS. This will be described with reference to FIG. In these figures, the illustration of the rotating device 4 is omitted.
- the winding jig 2 is fixed to the rotating device 4, and its rotation center C 2 (FIGS. (See Fig. 2) and the axis C of the first bobbin 3a.
- a winding frame protruding step of moving the first winding frame 3a forward so as to protrude from the other winding frames 3 is performed.
- the fixing by the positioning pins 38 (FIGS. 15 to 17) which fixed the winding frame 3a at the retracted position is released, and the winding frame 3a is moved forward against the spring 36. Fix it again at its advanced position with the positioning pin 38.
- the fixing method may be a fixing method using a special fixing device at a predetermined position, or a method of connecting the jig 2 to an arbitrary position on the winding jig 2. In this example, the latter method was used.
- the wire 99 is supplied to the projecting winding frame 3a from one direction, and the rotating device 4 is driven to rotate the winding frame 3a around the axis C of the winding frame 3a.
- a winding step of rotating the entire jig 2 is performed.
- the electric wire 99 is wound around the projecting winding frame 3a, and the formation of the first monopole coil 90 is completed.
- a winding frame retracting step of retracting the first winding frame 3a on which the single-pole coil 90 is formed is performed.
- the reel 3a is fixed at the retracted position by operating the positioning pin 38 (FIGS. 15 to 17).
- the single-pole coil 90 formed around the winding frame 3a has the coil end portions 902 located above and below the loop exposed on the front and back of the winding frame 3, and the left and right sides.
- the coil insertion portion 90 1 located is accommodated in the gap between the separate plate 29 and the winding frame 3.
- the second bobbin 3b next to the first bobbin 3a on which the single-pole coil 90 is formed is advanced along the axis C, and the other bobbin 3 Protrude outward and fix in the forward position as described above.
- the engagement position between the winding jig 2 and the rotating device 4 is changed, and the rotation center of the rotating device 4 and the axis of the second winding frame 3b are adjusted. Match.
- the crossover 995 connected from the single-pole coil 90 held by the first winding frame 3a is passed below the second winding frame 3b, 9 9 is supplied from above in the same way as before.
- the wire 99 is supplied to the projecting winding frame 3b from one direction, and the winding jig 2 is rotated around the axis C of the winding frame 3b.
- the winding process is performed.
- the direction of rotation at this time is opposite to that of the first winding frame 3a.
- the electric wire 99 is wound around the protruding winding frame 3b, and the winding direction of the second monopolar coil 90 is opposite to that of the first monopolar coil 90. Formation is complete.
- the second winding frame 3b on which the single-pole coil 90 is formed is retracted and fixed at the retracted position in the same manner as described above.
- the second single-pole coil 90 formed around the winding frame 3b also has the coil end portions 902 located above and below the loop exposed on both sides of the winding frame 3, and The coil insertion portions 901, located on the left and right sides, are accommodated in the gap between the separate plate 29 and the winding frame 3.
- the third bobbin 3 c next to the second bobbin 3 b is advanced along the axis line, and protrudes outward from the other bobbin 3. Fix in the forward position as in. Also in this case, the engaging position between the winding jig 2 and the rotating device 4 is changed before or after the winding frame projecting process, and the rotation center C 2 of the rotating device 4 (FIGS. 1 and 2) is changed. And the axis C of the third bobbin 3c.
- an electric wire 99 following the crossover wire 995 extending from the single-pole coil 90 held by the second winding frame 3b is supplied from above in one direction.
- an electric wire 99 is supplied to the projecting winding frame 3c from one direction, and the entire winding jig 2 is rotated around the axis C of the winding frame 3c. The winding process is performed. The direction of rotation at this time is opposite to the case of the second bobbin 3b.
- the electric wire 99 is wound around the projecting winding frame 3c, and the third unipolar coil 90 whose winding direction is opposite to that of the second monopolar coil 90 is formed.
- the third winding frame 3c on which the single-pole coil 90 is formed is retracted and fixed at the retracted position in the same manner as described above.
- the coil insertion portion 90 1 of the third single-pole coil 90 formed around the winding frame 3 c is also accommodated in the gap between the separate plate 29 and the winding frame 3. It becomes.
- a coil 9 in which three single-pole coils 90 are alternately connected so that the winding directions are opposite to each other can be formed by the same procedure as described above.
- the winding jig 2 in the present example is configured such that any one of the plurality of winding frames 3 is wound with one of the winding frames 3 projecting from the other winding frames 3. It is configured to perform the rounds.
- each winding frame 3 can be projected separately from each other.
- the plurality of winding frames 3 are arranged on the base holder 20 so that their axes C do not overlap with each other.
- the winding jig 2 is configured to wind the electric wire 9.9 by sequentially bringing the axis C of each of the winding frames 3 close to the rotation center C2 of the winding jig 2.
- the plurality of winding frames 3 are arranged such that a virtual line R connecting the center of gravity G of each winding frame 3 becomes substantially circular with respect to the base holder 20.
- the electric wire 99 is supplied to the winding frame 3 for performing the above-mentioned winding, and at the same time, the winding jig 2 is mounted around the axis C of the winding frame 3 or a line substantially parallel to the axis C.
- the wire 9 is wound with the winding frame 3 protruding from the other winding frames 3 to form a single-pole coil 90, and the motor coil 9 is formed. I was able to.
- the winding of the electric wire 9.9 could be performed by sequentially bringing the axis C of the winding frame 3 for winding the electric wire 9.9 closer to the rotation center C2 of the winding jig 2.
- the winding jig 2 having the above-described structure having the base holder 20 and the winding frame 3 and the rotating device 4 are used. Then, as described above, the winding frame projecting step, the winding step, and the winding frame retreating step are sequentially performed for each of the winding frames.
- the winding step is performed by rotating the entire winding jig about the axis C of the projecting winding frame 3. Therefore, as described above, the electric wire 99 can be supplied from one direction, and the single-pole coil 90 can be formed on the winding frame 3 without causing the electric wire 9.9 to twist.
- the winding step is performed after the winding step, and the winding step is performed after the winding step.
- the form 3 when changing the form 3 to be subjected to the winding process, the form 3 can be changed by advancing and retracting the form 3 in the form projecting step and the form retracting step.
- Special space for electric wire supply is provided between No need. Therefore, the length of the obtained crossover 995 between the single-pole coils 90 can be kept sufficiently short.
- each winding frame 3 of the winding jig 2 is substantially fan-shaped as described above, and the forming blocks 33, 34 are disposed on the front and back surfaces thereof.
- the thickness of the molded blocks 33 and 34 increases from the outside to the inside. Therefore, in the single-pole coil 90 wound on the bobbin 3, the shape of a plurality of electric wire loops constituting the coil 90 changes along the axis C of the bobbin 3.
- the wire loops constituting the single-pole coil 90 become wider outwardly along the fan-shaped winding frame 3 and higher along the shape of the molded blocks 33, 34. Lower. This makes it possible to optimize the arrangement of the coil end portions 902 when the coils are mounted on the stator core, as described later.
- the outer shape formed by the tip of the winding frame 3 in a state where all of the winding frame 3 is retracted has a circular shape.
- Each winding frame 3 can be located facing the inner peripheral surface of the reel.
- the coil 9 (see Fig. 14) is inserted into a slot 810 provided on the inner peripheral surface of the ring-shaped stator core 81.
- the coil 9 single-pole coil 90
- the coil 9 is not shown in order to clarify the movement of the input blade 734, which will be described later.
- the motor configured using the stator core 81 is a three-phase DC brushless motor.
- the stator core 81 in this example is made by laminating ring-shaped electromagnetic steel sheets. As shown in Fig. 18 and Fig. 19, it has a slot 810 on its inner peripheral surface for inserting a coil.
- a total of 36 single-pole coils 90 are provided for the stator core 81, and 72 slots 810 are provided. And there are 12 single-pole coils 90 that carry one phase.
- two sets of coils 9 each having three single-pole coils 90 connected thereto are produced by one winding jig 2, and these are mounted on the stator core 81 at the same time. By performing this operation six times, all necessary single-pole coils 90 are mounted on the stator core 81.
- the coil holding groove 29 formed between the winding frame 3 and the separate plate 29 in the winding jig 2 is provided with the stator core 81.
- the winding jig 2 is placed inside the stator core 81 so as to face the slot 8110 of the winding.
- an insertion blade 73 is inserted into the coil holding groove 290 of the winding jig 2.
- the notch 3 2 0 provided on the frame body 32 of the winding frame 3 of the winding jig 2 and the notches 3 3 0, 3 4 provided on the forming blocks 33, 34 above and below it. 0 is a temporary shaping groove 295 for inserting the temporary shaping blade 734.
- the insertion blade 73 is advanced in the direction from the center to the outer periphery in the coil holding groove 290, and at the same time, the temporary shaping blade 734 is moved to the temporary shaping groove 29.
- the single-pole coil 90 is pushed by the insertion plate 73 and moves substantially linearly from the coil holding groove 290 to the slot 810 of the stator core 81.
- the upper and lower coil end portions 90 2 (FIG. 14) protruding from the stator core 81 in the single-pole coil 90 have a temporary shaping shape which is pressed by the temporary shaping plate 734 and deforms outward. Will be applied.
- the former has a ring shape, and has a mold surface on the side facing the stator core 81 for adjusting the coil to a desired shape.
- each of the upper and lower formers has a tapered mold surface such that the inner peripheral portion protrudes toward the stator core 81.
- the coil 9 is shaped outwardly along the tapered shape of the mold surface by advancing the former toward the stator core 81.
- each former is provided with a notch for preventing interference with the insertion blade 73 and the provisional shaping blade 734. Then, the former can be pressed against the stator core 81 while maintaining the state where the insertion blade 73 and the provisional shaping blade 73 are advanced.
- a pair of upper and lower formers having such a structure are advanced from above and below toward the stator core 81 and pressed against the stator core 81.
- the coil end portion 902 of the six single-pole coils 90 disposed on the stator core 81 protruding from above and below the stator core 81 is tilted toward the stator core 81.
- a second provisional shaping is performed.
- the process from the formation of the six single-pole coils to the second temporary shaping was performed as a series of operations, and this was repeated six times. Can be raised. Furthermore, the number of winding frames 3 in the winding jig 2 is increased from 6 to 12 and the process is streamlined by moving 12 single-pole coils 90 to the stator core 81 at a time. It is also possible to plan. As described above, in this example, the so-called linear insertion method, in which the coil is easily and stably moved linearly by using the winding jig 2 and the insertion blade 73, is described. Can be implemented. That is, it is possible to linearly enter the slot 8100 without changing the attitude of the single-pole coil 90. Therefore, it is not necessary to make the length of the coil 9 in the vertical direction longer than necessary.
- the coil can be moved directly from the winding frame 3 on which the coil is formed to the stator core 81. After the coil is formed, there is no need to transfer the coil from the winding frame to another coil transfer machine, and the coil can be mounted on the stator core very efficiently. This is because, as described in detail in the first embodiment, the structure of the winding jig 2 has an excellent structure as described above. Since the coil can be directly inserted into the stator core 81 from the winding jig 2, the coil can be easily moved even if the length of the crossover connecting the single-pole coils 90 is short. .
- FIGS. 20 to 22 shows in more detail an example of a coil insertion device used when inserting a coil from the winding jig 2 into the stator core 81 in the second embodiment. It is.
- the coil insertion device 6 of this example has a plurality of first arms 6 4 arranged on the bottom plate 6 1 so as to be able to swing around a fulcrum 6 4 1. And a plurality of second arms 65 arranged so as to be able to swing about a fulcrum 651.
- each first arm 64 has two insertion blades 73 at the upper end, while each second arm 65 has two temporary shaping plates at the upper end. It has a blade 734.
- the first arm 64 has an elongated hole portion 642 that can be engaged with a pin 663 provided on the lifting plate 661.
- the second arm 65 also has an elongated hole 652 that can be engaged with a pin 664 provided on the lifting plate 661 as shown in FIG.
- the elevating plate 661 is connected to the cylinder 671, the elevating rod 672, the base plate 673, the connecting rod 674, etc., which are arranged on the bottom plate 61. 6 7 1 PC listening return 10145
- the long holes 642 and 652 provided in the first arm 64 and the second arm 65 have inclined long holes.
- the vertical movement of the pins 663 and 664 shifts the engagement positions of the pins 663 and 664 and the long holes 642 and 652, so that the first arm 644 is moved.
- the second arm 65 is configured to swing about fulcrums 641 and 651.
- the shape of the long hole 642 of the first arm 64 and the shape of the long hole 652 of the second arm 65 are slightly changed, and the amount of movement of the first arm 64 and the second arm 65 is slightly changed. Etc. are given a difference.
- two insertion blades 73 are arranged in parallel with each first arm 64, and two insertion blades 73 are connected to the first arm 64 in parallel. It is configured to move in parallel with the movement direction of 4. Note that the swing direction of all the first arms 64 is along the radial direction A passing through the center of the teeth 811 located between the two slots 810 of the stator core 81.
- each second arm 65 two temporary shaping blades 734 are arranged in parallel, and two temporary shaping blades 734 are attached to the second arm 65. It is configured to move in parallel to the swinging direction.
- the swing direction of all the second arms 65 is the direction along the radial direction B passing through the center of the teeth 811 located between the two slots 810 of the stator core 81.
- the coil insertion device 6 configured as described above, it is easy to move the coil 9 (single-pole coil 90) linearly from the winding jig 2 to the stator core 81 directly. Can be realized. Therefore, the above-described effects can be reliably achieved.
- This example is an example in which the winding jig 2 is used to form a motor coil 9 used for a concentrated winding type stator.
- the stator of the distributed winding type in which the single-pole coil 90 formed by winding the electric wire 99 is dispersed in two or more slots 810 in the stator core 81 is used.
- the coil 9 used for the stator of the distributed winding type was formed.
- the coil 9 is formed in the same manner as in the first embodiment, and the single-pole coil 90 formed by winding the electric wire 99 is positioned between the slots 810 of the stator core 81.
- Concentrated winding type stators each of which is arranged on a plurality of teeth 811 to be manufactured.
- the winding jig 2 is provided with a plurality of projections 25 formed on the outer peripheral surface of the base holder 20 and the winding frame 3 and A plurality of single-pole coil forming bobbins 82 are attached.
- Example 5 the coil forming device ⁇ 1 for forming the multipole coil ⁇ 9 will be described with reference to FIGS. 25 to 35, and the multipole coil ⁇ 9 will be described from the electric wire ⁇ 99 force. The step of forming a coil will be described.
- Example 6 a coil forming and inserting device ⁇ 5 having X, a winding jig ⁇ 2, and an inserter jig ⁇ 6 will be described with reference to FIGS.
- the coil insertion process of inserting and arranging in each slot # 810 will be described.
- a coil forming apparatus and a coil forming method will be described.
- a coil forming / inserting device and a coil forming / inserting method will be described.
- the winding jig ⁇ 2 used in the sixth embodiment is the same as the winding jig ⁇ 2 used in the fifth embodiment, and in the sixth embodiment, any one of FIGS. The explanation may be made using this.
- the winding frame 3 in the first embodiment corresponds to the coil winding frame # 3.
- the axis C of the winding frame 3 in the first embodiment is a Koinole winding frame. It corresponds to the winding axis ZC1 of Z3.
- the base holder 20 in the first embodiment corresponds to the index holder Z22.
- the motor coil 9 in the first embodiment corresponds to the multipole coil Z.9.
- the rotating device in the first embodiment corresponds to the turning device and the turning arm Z21. Further, the rotation center C2 of the rotation device in the first embodiment corresponds to the rotation center axis ZC2 of the rotation arm Z21.
- the coil forming apparatus Z1 of this example is a motor coil composed of a plurality of single-pole coils Z90 formed by winding an electric wire Z99 in a loop.
- the coil forming device Z1 includes a gantry (not shown), and a swing arm Z21 mounted on the gantry so as to be swingable about a swing center axis ZC2 connected to the swing device (not shown).
- the winding jig Z2 has an index holder Z22 provided movably with respect to the swivel arm Z21, and a plurality of jigs provided on the outer peripheral surface of the index holder Z22.
- the winding axes ZC1 for winding the wire Z99 in the coil winding frames Z3 are substantially parallel to each other and substantially parallel to the turning center axis ZC2. Then, the coil forming apparatus Z1 moves the index holder Z22 so that the coil winding frame Z3 for winding the electric wire Z99 can sequentially approach the turning center axis ZC2. It is configured.
- the winding jig 2 in the first embodiment rotates the index holder Z 22 around a rotation center axis ZC 2 formed substantially perpendicular to the rotation center axis ZC 2.
- Each of the coil winding frames Z3 is adapted to wind the above-mentioned electric wire Z99.
- Each of the winding axes ZC1 is directed from the rotation center axis ZC2 in the normal direction to the index holder Z22. And the direction of the winding axis ZC1 of the coil winding frame Z3 for winding the electric wire Z99 by rotating the index holder Z22 substantially in the direction of the turning center axis ZC2. It is configured to be able to match.
- the index holder Z22 The rotary arm Z21 is provided so as to be rotatable about the rotary center axis ZC3 formed at a position offset substantially parallel to the central axis ZC2.
- the coil winding frames Z3 are arranged on the index holder Z22 in an arc at substantially the same distance from the rotation center axis ZC3.
- winding frame distance ZL1 from the rotation center axis ZC3 to the winding axis ZC1 in each coil winding frame Z3 is calculated from the rotation center axis ZC2 of the rotation arm Z21 to the index holder Z22.
- the offset distance ZL2 to the rotation center axis ZC3 is approximately the same. >
- the winding axis ZC1 of the coil winding frame Z3 for winding the electric wire Z99 is sequentially rotated.
- the wire Z99 can be wound almost in line with the above-mentioned center axis ZC2.
- the coil windings Z3 arranged in the arc form the arc-shaped continuous pole coil Z9 (see Fig. 35).
- each of the coil winding frames Z3 is disposed so as to be able to advance and retreat in the direction of the turning center axis ZC2 with respect to the index holder Z22. Then, the coil winding frame Z3 for winding the wire Z99 is advanced with respect to the remaining coil winding frame Z3 in the forward direction away from the turning arm Z21, so that the remaining coil winding Z3 is moved forward. It can be made to project more than the reel Z3. Therefore, the wire Z99 can be easily supplied to the projecting coil frame Z3 from a direction orthogonal to the winding axis ZC1, and the supply of the wire Z99 is easy. At the same time, the winding of the wire Z99 on the coil winding frame Z3 is easy.
- the coil winding frames Z3 are circumferentially arranged on the outer peripheral surface of the index holder Z22.
- the coil winding frames Z3 are radially arranged on the outer peripheral surface of the index holder Z22 at substantially equal intervals.
- four coil winding frames Z3 are provided to form a multipole coil Z9 consisting of four single-pole coils Z90.
- each coil winding frame Z3 has an inner winding frame portion Z31 attached to an index honed radar Z22 and an inner winding frame portion Z31.
- Opposing arrangement Outer winding frame part Z32.
- the outer winding frame part Z32 has a winding position Z301 when winding the wire Z99, and as shown in Fig. 28, the above winding is performed.
- the outer winding frame portion Z32 gradually increases in diameter in the forward direction away from the swing arm Z21.
- the outer winding frame portion Z32 when the outer winding frame portion Z32 is set to the winding position Z301, the outer diameter of the coil winding frame Z3 gradually increases in the forward direction. Large states can be formed. Then, a single-pole coil Z90 can be formed in which the winding diameter of the wire Z99 becomes larger in the forward direction, and between the outer winding frame portion Z32 and the inner winding frame portion Z31. A single pole coil Z 90 having a winding diameter of a regular size determined by the distance can be formed.
- the continuous pole coil Z9 composed of the single-pole coils Z90 described above is inserted and arranged in the slot Z810 of the stator core Z81
- the continuous pole coil Z9 is inserted and arranged.
- the side having the larger winding diameter can be inserted into the slot Z810 with the side having the larger winding diameter positioned at the opening side.
- the coil end formed by projecting the single-pole coil Z90 from both axial ends of the stator core Z81 moves outward from the portion located on the opening side to the stator core Z81. Deformation can reduce the size. In other words, by forming each single-pole coil Z90 whose winding diameter increases from one side to the other side, the length of each single-pole coil Z90 is made closer to the required minimum length. , The coil end portion can be made smaller.
- each of the coil winding frames Z 3 is provided with a handle Z 35 and is manually advanced and retracted, and is advanced and retracted by the positioning pin Z 34. The position is fixed.
- the advance and retreat of each coil bobbin Z3 can be performed using a cylinder or a motor.
- a cam Z33 is provided so as to be rotatable on each inner winding frame portion Z31, and as shown in FIG. Z301 is formed when the cam Z33 is erected toward each outer winding frame portion Z32, and as shown in FIG. Was formed by tilting each of them toward each inner winding frame portion Z31.
- the movement between the winding position Z301 of the outer winding frame portion Z32 and the release position Z302 can be performed using a cylinder, a motor, or the like.
- a wire winding frame Z41 for winding Z995 is provided.
- three crossover winding frames Z41 are provided between the four coil winding frames Z3.
- a predetermined length of the connecting wire Z is formed between the single-pole coils Z90 formed on each coil winding frame Z3. 995 can be formed (see Figure 35).
- the wire Z99 is wound between the coil winding Z3d and a lead wire Z996 of a predetermined length in advance.
- a lead winding frame Z42 is provided for securing.
- the lead wire Z 996 is the electric wire Z 990 connected to the winding end of the first single-pole coil Z 90 a formed in the first coil winding frame Z 3 a (see FIG. See 35).
- the cross-sectional shape of the lead winding frame Z42 is substantially circular, and the lead wire Z99 of a predetermined length can be stably inserted into the wire Z99 without bending or the like.
- One single-pole coil Z 90 a can be secured at the winding end of the coil.
- the wire winding frame Z41 and the lead winding frame Z42 also advance and retreat in the direction of the turning center axis ZC2 with respect to the index holder Z22 in the same manner as the coil winding frame Z3. It is possible to move forward with respect to the remaining coil bobbin Z3 and the crossover bobbin Z41 in the forward direction away from the above-mentioned swivel arm Z21, and the remaining coil bobbin Z3 and the crossover bobbin It is possible to protrude from the frame Z41. As shown in FIGS. 25 and 26, the swing arm Z 21 can swing in both forward and reverse directions about the swing center axis ZC 2. Then, in this example, a four-pole coil Z90 wound in the same winding direction forms a continuous pole coil Z9.
- the rotation direction of the swivel arm Z 21 when wound on the coil winding frame Z 3 is opposite to the rotation direction of the swivel arm Z 21 when wound on the wire winding frame Z 41.
- the coil forming device Z1 turns alternately in both forward and reverse directions to form the continuous pole coil Z9.
- the turning direction of the swivel arm Z 21 when winding on the coil bobbin z 3 is referred to as a forward rotation direction, and the winding is performed on the crossover winding frame Z 41 and the lead winding frame Z 42.
- the turning direction of the arm Z 21 is referred to as a reverse rotation direction.
- the gantry is provided with a turning device for turning the turning arm Z21 around its turning center axis ZC2. And the turning center axis Z C 2 is connected to the turning device.
- the swing device was configured so that the swing arm Z 21 was equipped with a handle so that it could be manually swung.
- various types of motors, index cylinders, etc. which operate using electric, hydraulic or pneumatic means, can be used as the turning device.
- the following indices step, projecting step and winding step are sequentially performed on each of the coil winding frames Z3, and the above-described single-pole coil Z900 is formed.
- the above-described single-pole coil Z900 is formed.
- the coil former Z1 moves the lead winding frame Z42 to the pivot center axis ZC2 of the pivot arm Z21. In the closest position. In this original position, the winding axis ZC1 force S on the lead winding frame Z42 and the turning center axis ZC2 on the turning arm Z21 almost match.
- the lead winding frame Z42 is advanced and made to protrude from each of the coil winding frames Z3 and each of the crossover winding frames Z41. And the above lead winding frame Z 4 3 010145
- the electric wire Z99 is supplied in the lateral direction of the coil forming device Z1, that is, the electric wire Z99 of each coil winding frame Z3, each crossing winding frame Z41, and each of the lead winding frames Z42. Perform winding Performing from the direction perpendicular to the winding surface.
- the index holder Z22 is rotated by a predetermined angle, and the winding axis ZC1 of the first coil winding frame Z3a is turned into the above-mentioned turning center axis ZC2. Approximately.
- the first coil winding frame Z3a is moved forward, the first coil winding frame Z3a is projected, and the lead winding frame Z42 is retracted.
- the electric wire Z99 is supplied to the first coil winding frame Z3a, and the turning arm Z21 is turned in the forward rotation direction.
- the electric wire Z99 is wound a plurality of times around the coil winding frame Z3a to form a first single-pole coil Z90a.
- the outer winding frame portion Z32 in the first coil winding frame Z3a is located at the winding position Z301, and the outer diameter of the first coil winding frame Z3a is in the forward direction.
- a large state is formed step by step.
- a single-pole coil Z90 can be formed in which the winding diameter of the wire Z99 increases in the forward direction.
- the above indexing process is repeated, and the index holder Z22 is rotated by a predetermined angle, so that the winding axis ZC1 of the first winding frame Z41a is rotated. Approximately aligned with the turning center axis ZC2. Also, as a projecting step, the first wire winding frame Z41a is advanced to make the first wire winding frame Z41a protrude, and the first coil winding frame Z3a is retracted. Let it.
- the wire Z99 is supplied to the first wire winding frame Z41a, and the turning arm Z21 is turned in the reverse rotation direction.
- the electric wire Z99 is wound around Z41a to form the crossover Z995.
- the indexing process is repeated, the index holder Z22 is rotated by a predetermined angle, and the winding axis ZC1 of the second coil winding frame Z3b is rotated. Align almost with the center axis ZC2.
- the second core The coil winding frame Z 3 b is moved forward to project the second coil winding frame Z 3 b and to retract the first wire winding frame Z 41 a.
- the electric wire Z99 is supplied to the second coil winding frame Z3b, and the turning arm Z21 is turned in the forward rotation direction.
- the electric wire Z99 is wound a plurality of times around the second coil winding frame Z3b to form a second single-pole coil Z900b.
- the indexing step, the projecting step, and the wiring forming step are performed on the second wiring winding frame Z41b and the third wiring winding frame Z41c in the same manner as described above.
- the third coil winding frame Z3c and the fourth coil winding frame Z3d are subjected to the above-mentioned indexing step, projecting step, and winding step to perform the winding step.
- the first to fourth single-pole coils Z900a to Z900d form a continuous-pole coil Z9 connected by the above-described crossovers Z990.
- the processing of the crossover is also performed only in the winding jig Z2 without any operation such as grasping and processing the electric wire using an external device.
- the coil is wound around each winding frame Z3a-d, Z41a-d, and Z42 and restrained.
- This figure shows that the single-pole coils Z90a-d are formed on the above-mentioned first to fourth coil winding frames Z3a-d, and the winding frames Z3a-d, Z41a-d FIG.
- each winding frame Z3a-d, Z41a-d, Z42 has a substantially circular imaginary line connecting the center of gravity of each winding frame.
- the coil winding frame Z 3 a is located at the same radial position with respect to the index holder Z 22 of the winding jig Z 2 and adjacently in the circumferential direction.
- the crossover process is performed within the range between ⁇ (!), That is, within the circumcircle of each coil winding frame Z3a-d.
- the winding jig 2 is configured to perform any one of the plurality of coil winding frames 3 for winding.
- the winding of the electric wire 99 is performed in a state where the coil winding frame 3 is projected from the other coil winding frames 3.
- each winding frame Z3 is connected to the index An imaginary line ZR connecting the winding axis ZC1 of each coil winding frame Z3 is arranged in a substantially circular shape with respect to the holder Z22.
- each winding frame Z3 is disposed on the index holder Z22 so that each winding axis ZC1 is substantially parallel to each other.
- the wire Z99 is supplied to the coil winding frame Z3 for performing the winding, and the winding axis ZC as the axis of the coil winding frame Z3 is also provided.
- the coil winding frame Z 3 is made to protrude from the other coil winding frames Z 3.
- a single pole coil Z90 was formed by winding the wire Z99, and a continuous pole coil Z9 as a motor coil could be formed.
- the winding of the wire Z99 is performed by sequentially turning the winding axis ZC1 of the coil winding frame Z3 for winding the wire Z99 as a rotation center of the winding jig 2. could be done close to ZC 2.
- the coil forming apparatus Z1 rotates the whole of the plurality of coil winding frames Z3 by the turning arm Z21 to thereby move the coil winding frame Z3 closest to the turning center axis ZC2.
- the electric wire Z99 is wound to form the single-pole coil Z90.
- each single pole coil Z90 can be formed.
- the winding axis ZC1 of the coil winding frame Z3 for winding the electric wire Z99 is sequentially turned to the turning center axis ZC of the turning arm Z21.
- the wire Z99 can be wound with little eccentricity from 2.
- the index holder Z22 is rotated so that any one of the above-mentioned coil winding frames Z3 is formed.
- the winding axis ZC1 of the next adjacent coil winding frame Z3 substantially coincide with the turning center axis ZC2, a single pole coil Z90 can be formed in the same manner as described above.
- the supply of the electric wire Z99 can be performed from a substantially constant direction orthogonal to the winding axis ZC1 of the coil winding frame Z3 for winding, and the electric wire is stably supplied to each coil winding frame Z3.
- a winding of Z99 can be performed. Therefore, the single-pole coil Z 90 having almost no torsion can be stably formed on any of the coil winding frames Z 3. 9 can be formed stably.
- the coil forming and inserting apparatus Z5 of this example forms a continuous pole coil Z9 formed by connecting a plurality of single pole coils Z90 formed by winding an electric wire Z99 in a loop.
- a plurality of winding jigs Z2 and a plurality of windings formed on the inner peripheral surface of the stator core Z81, receiving the above-mentioned coil Z9 facing the winding jig Z2.
- an inserter jig Z6 to be inserted and arranged in the slot Z810.
- the winding jig Z2 has a plurality of coil winding frames Z3, and the inserter jig Z6 is formed from the coil winding frames Z3 and the single poles. It has a plurality of coil receivers Z62 for receiving the coils Z90, respectively.
- each coil receiving unit Z62 is opposed to each coil winding frame Z3, and each coil forming and loading device Z5 is wound around each coil winding frame Z3.
- the configuration is such that the continuous pole coil Z9, to which the coil Z90 is connected, is transferred from the winding jig Z2 to the inserter jig Z6.
- the winding jig Z2 includes a plurality of coil winding frames Z3 for winding the electric wire Z99 to form the single-pole coil Z90.
- the winding jig Z2 is arranged at substantially the same distance from the center point.
- the winding axes ZC1 for winding the electric wire Z99 in the coil winding frames Z3 are arranged substantially parallel to each other.
- the inserter jig Z6 pushes the pole coil Z9 toward the slot Z810 of the stator core Z81. It has an extruded insertion core Z61 for insertion.
- the plurality of coil receivers Z62 are disposed on the outer peripheral surface of the extrusion insertion core Z61, and receive the single-pole coils Z90 from the respective coil winding frames Z3. .
- the coil forming / inserting device Z5 is used to transfer the continuous pole coil Z9 from the winding jig Z2 to the inserter jig Z6.
- the above-mentioned coil winding frames Z3 and the above-mentioned coils are arranged such that the above-mentioned coil receiving portions Z62 are opposed to the end surface Z311 of the above-mentioned coil winding frames Z3 in the direction of the above-mentioned winding axis ZC1.
- the coil winding frames Z3 and the coil receiving portions Z62, respectively, for transferring the single-pole coils Z90. 60 are formed.
- the coil winding frame Z 3 has a tip end Z 6 of each coil receiving part Z 62 of the inserter jig Z 6 on the tip end surface Z 311. It has a fitting recess Z 3 12 for fitting 2 1.
- the fitting concave portion Z312 is formed on the tip end surface Z311 of each inner winding frame portion Z31 of each coil winding frame Z3.
- the insertion concave portion Z 3 12 is inserted into the entire area of the single-pole coil Z 90, in which the coil receiving portion Z 62 is wound around the coil winding frame Z 3. It is formed to a depth that allows it.
- the insertion recess Z 3 12 is larger than the winding depth from the tip surface Z 3 11 of each coil winding frame Z 3 to the position where the above-mentioned electric wire Z 99 is wound. It is formed deeply from the tip surface Z311.
- each coil winding frame Z3 and each coil receiving portion Z62 is made by inserting each coil receiving portion into the fitting recess Z312 of each coil winding frame Z3. This can be performed by inserting the tip portion Z621 of Z62. Also, the transfer of the pole coil Z9 from the winding jig Z2 force to the inserter jig Z6 can be performed with this insertion.
- the winding jig Z2 is provided with the respective coil winding frames Z3 for dispensing the continuous coil Z9 to the inserter jig Z6.
- Inside It has a payout core Z23 that is disposed on the circumferential side so as to be able to advance and retreat.
- each of the dispensing cores Z 23 is advanced in the forward direction opposite to the inserter jig Z 6 (forward direction away from the swing arm Z 21).
- Each single-pole coil Z90 delivered to the receiving part Z62 can be pushed out to a predetermined position in the inserter jig Z6.
- the above-mentioned predetermined position is defined as the specified position when inserting the continuous pole coil Z9 from the inserter jig Z6 into the slot Z810 of the stator core Z81. I have. For this reason, after transferring the continuous pole coil Z9 to the inserter jig Z6, it is possible to insert and place the continuous pole coil Z9 in this state into the slot Z810 of the stator core Z81. it can.
- the inserter jig Z6 is provided between the coil receiving portions Z62 in such a manner that they are arranged in the substantially same direction as the direction in which the coil receiving portions Z62 are formed.
- Guide section Z63 As shown in Fig. 43, the guide Z63 faces the teeth Z811, which is located between the slots Z810 of the stator core Z81. This guides the insertion arrangement of each of the nine slots Z810.
- each guide part Z63 and each coil receiving part Z62 adjacent to both sides the wire Z99 of the single-pole coil Z90 can be inserted.
- An insertion gap Z64 is formed.
- Each single-pole coil Z90 is inserted into the above-mentioned insertion gap Z64 and inserted into each coil receiving portion Z62. It does not mix with the wire Z99 at 90. As a result, the electric wire Z99 of each single-pole coil Z90 can be reliably inserted and arranged in the slot Z810 of each stator core Z81.
- the extrusion insertion core Z61 can advance and retreat with respect to the coil receiving portions Z62.
- the push-out insertion core Z61 advances toward the stator core Z81.
- the single pole coil Z90 held in each coil receiving portion Z62 can be inserted into each slot Z810.
- the continuous-pole coil Z formed by performing the coil forming process described in the fifth embodiment will be described.
- a coil transfer process for inserting and placing the continuous pole coil Z 9 from the inserter jig Z 6 into each slot Z 8 10 of the stator core Z 81. The method of forming and inserting a coil for performing the above will be described.
- the coil forming process is the same as that in the fifth embodiment.
- the coil forming and inserting device Z5 having the winding jig Z2 and the inserter jig Z6 is used to form the continuous coil Z9. Is transferred from the winding jig Z 2 force to the insata jig Z 6.
- each coil transfer step first, the entire winding jig Z2 on which the above-mentioned continuous coil Z9 is formed is advanced toward the inserter jig Z6. Let it. At this time, in each coil winding frame Z3 in the winding jig Z2, each outer winding frame portion Z32 is located at the winding position Z301, and each single-pole coil Z90 has Tension is added. Each single-pole coil Z90 is maintained so that the state after performing the above-mentioned winding does not collapse.
- the coiling jig Z2 has a fitting recess Z3 12 in each coil winding frame Z3 and a tip Z6 in each coil receiving portion Z62 of the inserter jig Z6. 2 Insert 1. Then, by this insertion, each coil winding frame Z3 and each coil receiving portion Z62 are connected, and each coil winding frame Z3 and each coil receiving portion Z62 connect each single pole coil Z90. Each transfer route Z60 for transfer is formed.
- each coil receiving portion Z62 is inserted and arranged in the whole of the single pole coil Z90 in each coil winding frame Z3.
- each outer winding frame portion Z32 of each coil winding frame Z3 is moved to the above-mentioned releasing position Z302 as a releasing process.
- the outer diameter of each coil bobbin Z3 is reduced by forming a state of decreasing in the forward direction. Therefore, each single pole coil Z90 is detached from each coil winding frame Z3.
- each single-pole coil Z 90 wound around the outer periphery of each coil winding frame Z 3 is simultaneously pushed with the extrusion insertion core Z 6 of the inserter jig Z 6. It is pushed out to the above specified position where it comes into contact with 1.
- all the single-pole coils Z 60 are transferred from the coil winding frames Z 3 to the respective coil receiving portions Z 62 while keeping the respective transfer routes Z 60 within the import of the single-pole coils Z 90. 90 can be passed at the same time including the crossover.
- the coil receiving portions Z62 of the inserter jig Z6 are arranged facing the inner peripheral surface side of the stator core Z81.
- the guides Z63 are opposed to the teeth Z811 between the slots Z810 on the inner peripheral surface of the stator core Z81.
- each single-pole coil Z90 held in each coil receiving portion Z62 is inserted and arranged in each slot Z810. Then, when the tip of the extruded insertion core Z61 advances beyond the tip of each coil receiving portion Z62, each single-pole coil Z90 is inserted and arranged in each slot Z810, and is connected continuously.
- the pole coil Z 9 can be assembled to the stator core Z 81.
- the stators of the three-phase motor consisting of the U-phase, V-phase and W-phase were manufactured by performing Examples 5 and 6 described above.
- the winding jig Z2 has four coil winding frames Z3 and three crossover winding frames Z41
- the inserter jig Z6 has a coil receiver. It has eight sections Z62 and eight guide sections Z63.
- a four-pole coil is formed as a continuous pole coil Z9 in which the four single-pole coils Z90 are connected, and the four-pole coil is inserted into the inserter jig Z6.
- the coil forming / inserting device Z5 forms a continuous pole coil Z9 in the winding jig Z2, and reliably transfers each single pole coil Z90 to each coil receiving portion Z62. It can be transferred to the inserter jig Z6 as Z9. That is, the winding jig Z2 has a plurality of coil winding frames Z3 arranged therein. In this winding jig Z2, each coil winding frame Z3 has a single-pole coil Z3. 90 can be formed to form the multipole coil Z9. Therefore, each single-pole coil Z90 can be formed in each coil winding frame Z3 whose positional relationship is fixed, and the single-pole coils Z90 wound around each coil winding frame Z3 can be formed. It is possible to stabilize the length of the crossover line Z995 formed therebetween.
- the inserter jig Z6 has coil receiving portions Z62 into which the tip portions Z621 are respectively inserted into the insertion concave portions Z312 of the coil winding frames Z3.
- each coil winding frame Z3 and each coil receiving portion Z62 form the above-mentioned transfer route Z60. can do. Therefore, when transferring each single-pole coil Z90 from each coil winding frame Z3 to each coil receiving portion Z62, each single-pole coil Z90 is provided with a respective transfer route Z60 in the loop. Can be reliably delivered along each migration route Z60, while maintaining.
- each single-pole coil Z90 can be transferred to the coil receiver Z62 almost simultaneously. Therefore, at the time of this delivery, the winding order of each electric wire Z99 in each single-pole coil Z90 hardly differs from the winding order in which the above-mentioned winding is performed. In other words, the winding order of each single-pole coil Z 90 whose winding diameter increases from one side to the other side may be changed when the coil is transferred to the inserter jig Z 6. Therefore, each wire Z99 can be transferred in an aligned state.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03784616.9A EP1528657B1 (en) | 2002-08-08 | 2003-08-08 | Coil forming method and coil forming device |
US10/497,945 US7311284B2 (en) | 2002-08-08 | 2003-08-08 | Coil forming method and coil forming device |
JP2004527377A JP4622517B2 (ja) | 2002-08-08 | 2003-08-08 | コイル形成方法及びコイル形成装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002231978 | 2002-08-08 | ||
JP2002-231978 | 2002-08-08 | ||
JP2003-116241 | 2003-04-21 | ||
JP2003116241 | 2003-04-21 |
Publications (1)
Publication Number | Publication Date |
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WO2004015845A1 true WO2004015845A1 (ja) | 2004-02-19 |
Family
ID=31719856
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/010145 WO2004015845A1 (ja) | 2002-08-08 | 2003-08-08 | コイル形成方法及びコイル形成装置 |
PCT/JP2003/010146 WO2004015846A1 (ja) | 2002-08-08 | 2003-08-08 | コイル形成装置及びコイル形成方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2003/010146 WO2004015846A1 (ja) | 2002-08-08 | 2003-08-08 | コイル形成装置及びコイル形成方法 |
Country Status (6)
Country | Link |
---|---|
US (2) | US7311284B2 (ja) |
EP (2) | EP1528657B1 (ja) |
JP (2) | JP4492347B2 (ja) |
KR (2) | KR101078489B1 (ja) |
CN (2) | CN100395947C (ja) |
WO (2) | WO2004015845A1 (ja) |
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JP2006054967A (ja) * | 2004-08-12 | 2006-02-23 | Odawara Engineering Co Ltd | コイル巻線方法 |
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CN108511186B (zh) * | 2018-02-28 | 2023-05-16 | 河南理工大学 | 一种空心线圈自动绕线机 |
EP3624314A1 (de) * | 2018-09-17 | 2020-03-18 | Siemens Aktiengesellschaft | Einziehen von wicklungen in ein statorblechpaket |
CN113632352A (zh) * | 2019-03-27 | 2021-11-09 | 日本电产株式会社 | 定子的制造方法 |
JP7487676B2 (ja) * | 2021-01-29 | 2024-05-21 | ニデック株式会社 | コイル挿入装置 |
JP7480729B2 (ja) * | 2021-03-16 | 2024-05-10 | トヨタ自動車株式会社 | コイル組付け方法及びコイル組付け装置 |
KR20230071398A (ko) * | 2021-11-16 | 2023-05-23 | 현대모비스 주식회사 | 고정자 제조 방법 및 고정자 제조 장치 |
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2003
- 2003-08-08 JP JP2004527378A patent/JP4492347B2/ja not_active Expired - Fee Related
- 2003-08-08 EP EP03784616.9A patent/EP1528657B1/en not_active Expired - Fee Related
- 2003-08-08 EP EP03784617A patent/EP1528658B1/en not_active Expired - Fee Related
- 2003-08-08 CN CNB038017245A patent/CN100395947C/zh not_active Expired - Fee Related
- 2003-08-08 WO PCT/JP2003/010145 patent/WO2004015845A1/ja active Application Filing
- 2003-08-08 WO PCT/JP2003/010146 patent/WO2004015846A1/ja active Application Filing
- 2003-08-08 US US10/497,945 patent/US7311284B2/en not_active Expired - Fee Related
- 2003-08-08 KR KR1020047008737A patent/KR101078489B1/ko active IP Right Grant
- 2003-08-08 US US10/497,944 patent/US7011266B2/en not_active Expired - Lifetime
- 2003-08-08 JP JP2004527377A patent/JP4622517B2/ja not_active Expired - Fee Related
- 2003-08-08 KR KR1020047008744A patent/KR100982889B1/ko active IP Right Grant
- 2003-08-08 CN CNB038017237A patent/CN100395946C/zh not_active Expired - Fee Related
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Cited By (2)
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---|---|---|---|---|
JP2006054967A (ja) * | 2004-08-12 | 2006-02-23 | Odawara Engineering Co Ltd | コイル巻線方法 |
JP4611684B2 (ja) * | 2004-08-12 | 2011-01-12 | 株式会社小田原エンジニアリング | コイル巻線方法及びコイル巻線装置 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004015846A1 (ja) | 2005-12-02 |
US7311284B2 (en) | 2007-12-25 |
JP4492347B2 (ja) | 2010-06-30 |
KR20050026694A (ko) | 2005-03-15 |
CN100395946C (zh) | 2008-06-18 |
US20050133655A1 (en) | 2005-06-23 |
US20050061907A1 (en) | 2005-03-24 |
KR20050026695A (ko) | 2005-03-15 |
EP1528658B1 (en) | 2012-05-30 |
EP1528658A1 (en) | 2005-05-04 |
KR100982889B1 (ko) | 2010-09-16 |
CN1602575A (zh) | 2005-03-30 |
CN100395947C (zh) | 2008-06-18 |
EP1528657A1 (en) | 2005-05-04 |
JPWO2004015845A1 (ja) | 2005-12-02 |
EP1528657B1 (en) | 2015-02-11 |
US7011266B2 (en) | 2006-03-14 |
KR101078489B1 (ko) | 2011-10-31 |
EP1528657A4 (en) | 2010-09-15 |
CN1602576A (zh) | 2005-03-30 |
EP1528658A4 (en) | 2010-09-08 |
WO2004015846A1 (ja) | 2004-02-19 |
JP4622517B2 (ja) | 2011-02-02 |
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