JP2014045622A - Winding device of dynamo-electric machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a winding device of dynamo-electric machine in which attachment and detachment of a spool is facilitated, and demounting of a winding coil is also facilitated.SOLUTION: A winding device of dynamo-electric machine forms a winding coil 1 by winding the winding coil 1, having coil side parts 11 inserted alternately into respective slots of a stator core and coil ends 12 formed integrally with the coil sides 11 and connecting the same side ends thereof, around a spool 2 so as to form wave winding. The spool 2 includes a spool body 21 having a coil side formation surface 211 provided with a guide groove 23 for guiding the coil sides 11, and a spool holding part 22 held by two spool bodies 21, 21, and keeping the distance D1 between coil sides in the holding direction, when the winding coil 1 is wound.

Description

  The present invention relates to a winding device for a rotating electrical machine that forms a winding coil.

  As inventions related to a winding device of a rotating electrical machine, for example, the inventions described in Patent Documents 1 and 2 are known. In the invention described in Patent Document 1, a reel having a reel body, a coil end restraining portion, and a slot restraining portion is used. Then, after winding the winding wire, the coil end restraining portion and the slot restraining portion are extracted from the winding body, and the formed winding strand (home coil) is taken out.

  In the invention described in Patent Document 2, a winding frame having two end side winding pieces and two slot linear portion side winding pieces is used. In the invention described in Patent Document 2, after winding the wire, the two slot straight portion side winding pieces are shifted to the inside of the reel to release the guide of the strand and move in the reel axis direction. Thus, the two slot straight portion side winding pieces are extracted from the strands. Then, the two end-side winding pieces are moved in the reel axis direction, the two end-side winding pieces are extracted from the strands, and the formed strands are taken out.

Japanese Patent No. 4310951 Japanese Patent No. 3982446

  However, the invention described in Patent Document 1 requires a step of extracting the coil end restraining portion and the slot restraining portion from the winding body after forming the winding wire, which complicates the work and increases the number of work steps. . Further, since the winding wire is strongly tightened to the winding frame body, it is difficult to extract the winding wire from the winding frame body. The invention described in Patent Document 2 requires a step of extracting four winding pieces when extracting the winding frame from the strand, and as in the invention described in Patent Document 1, the work becomes complicated and the number of work steps increases. .

  The present invention has been made in view of such circumstances, and it is an object of the present invention to provide a winding device for a rotating electrical machine that facilitates the attachment and detachment of a winding frame and the removal of a winding coil. To do.

  The winding device for a rotating electrical machine according to claim 1 connects a coil side portion alternately inserted into each slot of the stator core and an end portion on the same side of the coil side portion that is formed integrally with the coil side portion. A winding device of a rotating electrical machine that forms a winding coil by winding a winding coil having a coil end portion around a winding frame so as to have a wave winding configuration, and the winding frame includes the coil side portion A winding frame main body having a coil side portion forming surface provided with a guide groove for guiding the coil, and a coil side in the holding direction when the winding coil is wound by the two winding frame main body portions A reel holding unit that holds the inter-unit distance.

  The winding device for a rotating electrical machine according to claim 2 is the winding device for the rotating electrical machine according to claim 1, wherein the winding body portion is a coil provided with a taper at a winding portion of the coil end portion. It has an end portion forming surface.

  The winding device for a rotating electrical machine according to claim 3 is the winding device for the rotating electrical machine according to claim 1 or 2, wherein the chuck device chucks the reel at both ends of the reel, and the chuck device. A winding frame driving device for rotating the winding frame chucked at a center line of the winding frame as an axis, a winding coil supply device for supplying the winding coil to the winding frame, and the supplied windings A winding coil forming device having a pressing portion that presses the coil to form the winding coil, and the winding frame has a fitting hole that penetrates the center line of the winding frame as a hole core. And the reel driving device has a centering member that fits into the fitting hole and aligns the center line of the reel with the axis, and the reel driving device rotates the reel. The winding coil supply device supplies the winding coil to the winding coil. Forming device to form the winding coil.

  A winding device for a rotating electrical machine according to a fourth aspect is the winding device for a rotating electrical machine according to a third aspect, wherein the chuck device chucks the winding frame by winding a wire.

  The winding device for a rotating electrical machine according to claim 5 is the winding device for a rotating electrical machine according to claim 3, wherein the pressing portion of the winding coil forming device is linearly moved in a radial direction perpendicular to the axis. Then, it moves in the axial direction while abutting the winding frame to press the winding coil.

  According to the winding device for a rotating electrical machine according to claim 1, the winding frame is held between the winding frame main body part and the two winding frame main body parts, and the winding coil is wound in the holding direction when the winding coil is wound. A winding frame holding part for holding the distance between the coil side parts. Since the winding frame holding part is pinched by the two winding frame main body parts, the winding frame can be easily removed by extracting the winding frame holding part after forming the winding coil. In addition, since the winding coil is formed in a state in which the distance between the coil side portions is held by the winding frame holding part, a gap is generated between the winding frame main body parts by removing the winding frame holding part, and the winding frame main body The winding coil can be easily extracted from the portion.

  According to the winding device for a rotating electrical machine according to claim 2, the winding frame main body portion has a coil end portion forming surface in which a winding portion of the coil end portion is provided with a taper. Thus, the coil end can be formed.

  According to the winding device for a rotating electrical machine according to claim 3, the winding frame has a fitting hole penetrating through the center line of the winding frame as a hole core, and the winding frame driving device has the fitting hole. And a centering member for fitting the center line and the axis of the winding frame. Therefore, by inserting the centering member of the reel driving device into the fitting hole of the reel from both sides and fitting it, the reel can be easily centered, and the eccentricity is not generated when the reel is rotated. It can be prevented from occurring. Therefore, it is possible to prevent winding deviation of the winding coil and deformation of the winding coil due to eccentricity of the winding frame.

  Furthermore, according to the winding device of the rotating electrical machine according to claim 3, the winding coil supply device supplies the winding coil while the winding coil driving device rotates the winding frame, and the winding coil forming device winds the winding coil. A wire coil is formed. Therefore, supply, formation and winding of the winding coil can be performed continuously, and the production efficiency can be improved.

  According to the winding device for a rotating electric machine according to the fourth aspect, the chuck device chucks the winding frame by winding the wire, so that the winding frame can be easily detached from the chuck device.

  According to the winding device for a rotating electrical machine according to claim 5, the pressing portion of the winding coil forming device moves in the axial direction while linearly moving in the radial direction orthogonal to the axis and contacting the winding frame. Press the wire coil. Therefore, when the winding frame is rotated, the pressing portion can be moved in contact with the winding frame, and the winding coil can be formed and wound at the same time.

It is a schematic diagram which shows the example of formation of a winding coil. It is a front view which shows an example of a winding frame. It is a side view of the winding frame shown in FIG. It is a front view which shows an example of a winding apparatus. It is a side view of the winding apparatus shown in FIG. It is a schematic diagram which shows the structural example of a winding coil supply apparatus. FIG. 5 is a sectional view taken along line XX shown in FIG. 4. It is the YY sectional view taken on the line shown in FIG. It is the ZZ sectional view taken on the line shown in FIG. It is the WW sectional view taken on the line shown in FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Each figure is a conceptual diagram and does not define the dimensions of the detailed structure.

(1) Winding device of rotating electrical machine The winding device of the rotating electrical machine of the present embodiment rotates a winding frame 2 around which the winding coil 1 is wound, chuck devices 3 and 3 that chuck the winding frame 2, and the winding frame 2. A winding frame driving device 4, a winding coil supply device 5 that supplies the winding coil 1, and a winding coil forming device 6 that forms the winding coil 1 are provided.

(Winding coil 1)
In the winding device for a rotating electrical machine according to the present embodiment, the winding coil 1 is formed by winding the winding coil 1 around the winding frame 2 so as to have a wave winding configuration. FIG. 1 is a schematic diagram illustrating an example of forming the winding coil 1. The winding coil 1 has a coil side part 11 and a coil end part 12, which are integrally formed. The coil side portion 11 is a portion of the winding coil 1 that is alternately inserted into each slot of a stator core (not shown), and the coil end portion 12 is the same end of the coil side portion 11 of the winding coil 1. This is the part that connects the parts.

  The winding coil 1 has a circular wire with a circular cross section, and the conductor surface is protected by an insulating layer such as enamel coating. The winding coil 1 can use conducting wires having various cross-sectional shapes such as a square wire having a polygonal cross section in addition to a round wire. The winding coil 1 is wound so as to have a wave winding configuration with six winding coils 1 spaced apart at a predetermined winding coil pitch as a unit. The winding start portion of the winding coil 1 is defined as a winding start portion 1S, and the folded portion of the winding coil 1 is defined as a folding portion 1R.

  The six winding coils 1 are wound from the winding start portion 1S in the left direction in the drawing, turned back in the right direction on the drawing portion 1R, and wound to the vicinity of the winding start portion 1S. In the figure, a part of the winding coil 1 is described, and the winding order of the winding coil 1 is shown by using arrows and circled numbers 1 to 9. In addition, although the winding coil 1 is distinguished and described with the continuous line and the broken line for convenience of explanation, the winding coil 1 is integrally formed. The winding coil 1 indicated by the solid line is wound on the front side of the drawing in the figure, and the winding coil 1 indicated by the broken line is wound on the back side of the drawing in the figure.

(Reel 2)
FIG. 2 is a front view showing an example of the reel 2. FIG. 3 is a side view of the reel 2 shown in FIG. The reel 2 has a reel body part 21 and a reel holding part 22 held between the two reel body parts 21, 21. As shown in FIG. 3, the reel body portion 21 has a hexagonal shape in a side view of the reel 2, and has a coil side portion forming surface 211 and coil end portion forming surfaces 212 and 212.

  As shown in FIG. 2, a guide groove 23 for guiding the coil side 11 is provided on the coil side forming surface 211. The guide groove 23 is a groove having a diameter that is the same as or slightly larger than the outer diameter of the winding coil 1, and the linear coil side 11 is formed by winding the winding coil 1 along the guide groove 23. Is done. The guide grooves 23 are provided at a predetermined pitch in the longitudinal direction of the winding frame 2 (the direction of the arrow L1), and the pitch of the guide grooves 23 corresponds to the winding coil pitch described above. In addition, the coil side part formation surfaces 211 and 211 of the two winding frame main body parts 21 and 21 are provided in parallel to the horizontal direction (arrow C1 direction) of the winding frame 2 and are in the same direction as the axial direction of the stator core. ing.

  The coil end portion forming surface 212 is provided at a winding portion of the coil end portion 12 and exhibits a tapered surface in which the thickness of the reel body portion 21 becomes thinner toward both ends of the reel 2 in the lateral direction (arrow C1 direction). ing. That is, the coil end portion forming surface 212 is inclined (inclination angle θ1) with respect to the coil side portion forming surface 211, and when the winding coil 1 is wound around the winding frame 2, the winding coil 1 is The coil end 12 is formed by bending along the coil end forming surface 212.

  In the present embodiment, the winding frame main body 21 has the coil end forming surface 212 in which the winding portion of the coil end 12 is tapered, so that the coil end 12 is formed in accordance with a predetermined inclination angle θ1. can do. Note that the inclination angle θ2 between the coil end 12 and the coil side 11 is determined by the pitch of the coil side 11 and the length of the coil end 12.

  As shown in FIG. 3, the reel holding portion 22 has a rectangular shape in a side view of the reel 2. The winding frame holding portion 22 is sandwiched from both sides by two winding frame main body portions 21 and 21 and holds the distance D1 between the coil side portions in the clamping direction when the winding coil 1 is wound. Since the winding frame holding part 22 is sandwiched between the two winding frame main body parts 21, 21, the winding frame 2 can be easily removed by removing the winding frame holding part 22 after the winding coil 1 is formed. Can be removed. In such a configuration, the winding coil 1 is formed in a state in which the distance D1 between the coil sides is held by the winding frame holding portion 22, and therefore the winding frame main body portion 21 is removed by extracting the winding frame holding portion 22. , 21 is generated, and the winding coil 1 can be easily extracted from the winding frame main bodies 21, 21.

  The reel 2 has a fitting hole 25 penetrating the center line CL1 in the vertical direction (arrow L1 direction) as a hole core. The fitting hole 25 is formed across the reel body parts 21 and 21 and the reel holder 22. Further, the fitting hole 25 has a cone hole at both ends 24 and 24 in the longitudinal direction (arrow L1 direction) of the winding frame 2 and can be fitted to the centering member 41 of the winding frame driving device 4. Yes. Therefore, the winding frame 2 can be easily supported by fitting the centering member 41 of the winding frame driving device 4 into the fitting hole 25. Moreover, since the winding frame 2 has the fitting hole 25 penetrating the center line CL1 in the vertical direction (arrow L1 direction) as a hole core, it is possible to prevent eccentricity that occurs when the winding frame 2 rotates. .

  FIG. 4 is a front view showing an example of a winding device. FIG. 5 is a side view of the winding apparatus shown in FIG. The reel 2 is chucked by the chuck devices 3 and 3 at both ends 24 and 24 in the longitudinal direction (arrow L1 direction) of the reel 2 and is pivotally supported by the reel drive device 4. Details of the chuck device 3 will be described later.

(Reel drive device 4)
The reel driving device 4 rotates the reel 2 chucked by the chuck devices 3 and 3 around the axis AL1. The reel driving device 4 includes a centering member 41, a first motor 42, a linear moving member 43, and a second motor 44. The centering member 41 includes a first centering member 411 and a second centering member 412. The first centering member 411 is pivotally supported by a bearing and is connected to the first motor 42 via the linear moving member 43. The second centering member 412 is pivotally supported by a bearing and is connected to the second motor 44 via a speed reducer (not shown).

  Each tip portion of the first centering member 411 and the second centering member 412 is tapered, and is fitted into the fitting hole 25 of the winding frame 2 so that the longitudinal direction of the winding frame 2 (arrow L1 direction). The center line CL1 can be made to coincide with the axis AL1 formed between the first centering member 411 and the second centering member 412. As the first motor 42 and the second motor 44, for example, a known servo motor can be used, and as the linear moving member 43, for example, a known ball screw can be used. The ball screw shaft of the linear movement member 43 is rotated by the first motor 42, and the rotational movement of the first motor 42 is converted into linear movement by the linear movement member 43. As a result, the first centering member 411 moves in the direction of the axis AL1, and the reel 2 chucked by the chuck devices 3 and 3 is pivotally supported by the reel drive device 4. When the second motor 44 is rotated after the reel 2 is pivotally supported by the reel drive device 4, the reel 2 is rotated together with the centering member 41.

  In the present embodiment, the reel 2 has a fitting hole 25 penetrating through the center line CL1 in the vertical direction (arrow L1 direction) as a hole core, and the reel driving device 4 is provided in the fitting hole 25. A centering member 41 that fits and aligns the center line CL1 in the longitudinal direction (arrow L1 direction) of the reel 2 with the axis AL1 formed between the first centering member 411 and the second centering member 412. Have Therefore, the winding frame 2 can be easily centered by inserting and fitting the centering member 41 of the winding frame driving device 4 into the fitting hole 25 of the winding frame 2 from both sides. It is possible to prevent the eccentricity from occurring during rotation. Therefore, the winding deviation of the winding coil 1 and the deformation of the winding coil 1 due to the eccentricity of the winding frame 2 can be prevented.

(Winding coil supply device 5)
The winding coil supply device 5 is a mobile winding coil supply device and supplies the winding coil 1 to the winding frame 2. The winding coil supply device 5 includes supply rollers 51 and 51 and a supply nozzle 52. As shown in FIG. 5, the winding coil 1 is inserted into the supply nozzle 52 by rotating the upper supply roller 51 clockwise and the lower supply roller 51 rotating counterclockwise. Then, the winding coil 1 is supplied from the front end 521 of the supply nozzle 52 to the winding frame 2.

  FIG. 6 is a schematic diagram illustrating a configuration example of the winding coil supply device 5. The figure shows a state in which six winding coil supply devices 5 are arranged in parallel in the direction of the axis AL1 of the reel driving device 4. The winding coils 1 can be supplied from the respective winding coil supply devices 5 to the winding frame 2, and six winding coils 1 are simultaneously supplied to the winding frame 2. The third motor 53 can apply a tension in the direction opposite to the supply direction of the winding coil 1 to each winding coil 1. Thereby, the bending of the winding coil 1 produced at the time of supply of the winding coil 1 can be suppressed. The third motor 53 can be provided for each winding coil supply device 5.

(Winding coil forming device 6)
The winding coil forming device 6 includes a pressing portion 61, a driving device 62, and a transfer device 63. The pressing unit 61 presses the winding coil 1 supplied from the winding coil supply device 5 to form the winding coil 1. For the pressing part 61, for example, a pressing roller can be used. A known servo motor and ball screw can be used for the driving device 62 and the transfer device 63, respectively.

  The drive device 62 can linearly move the pressing portion 61 in the radial direction orthogonal to the axis AL1 (the direction of the arrow RD1 shown in FIG. 4), and the transfer device 63 can move the pressing portion 61 in the direction of the axis AL1. it can. Instead of using the driving device 62, the pressing portion 61 can be biased against the winding frame 2 by using an elastic member such as a spring. The winding coil supply device 5 has a transfer device similar to the winding coil forming device 6 and can move in the direction of the axis AL1.

(Chuck device 3)
The chuck devices 3 and 3 chuck the reel 2 at both ends 24 and 24 in the longitudinal direction (arrow L1 direction) of the reel 2, respectively. The chuck device 3 includes a first chuck 31, a second chuck 32, a connecting pin 33, an elastic member 34, a wire guide groove 35, a wire take-up bolt 36, a wire fastening pin 37, a wire crimping portion 38, and a clamp 39. Yes. 7 is a cross-sectional view taken along line XX shown in FIG. 8 is a cross-sectional view taken along line YY shown in FIG. 9 is a cross-sectional view taken along the line ZZ shown in FIG. 10 is a cross-sectional view taken along line WW shown in FIG.

  The first chuck 31 and the second chuck 32 have a U-shaped cross section as shown in FIGS. 9 and 10, respectively, and as shown in FIGS. 4 and 8, the reel 2 on one end side in the axis AL1 direction. The vertical direction (arrow L1 direction) end 24 can be pinched. As shown in FIG. 8 and FIG. 9, the first chuck 31 and the second chuck 32 are inserted with connecting pins 33 and 33 together with elastic members 34 and 34 such as springs on the other end side in the axis AL1 direction and screwed. ing. As a result, the first chuck 31 and the second chuck 32 have flexibility when the reel 2 is sandwiched. Note that the first chuck 31 and the second chuck 32 can also be configured by one flexible member having a U-shaped cross section.

  As shown in FIGS. 4 and 8, the first chuck 31 and the second chuck 32 are arranged at the outer edge in the radial direction orthogonal to the axis AL1 (in the direction of the arrow RD1 shown in FIG. 4) at the substantially central portion in the direction of the axis AL1. A wire guide groove 35 is provided along the wire 3Y. As shown in FIG. 10, one end side of the wire 3 </ b> Y is fixed to the wire winding bolt 36 by the wire caulking portion 38, and the other end side of the wire 3 </ b> Y is fixed to the wire fastening pin 37 by the wire caulking portion 38. ing.

  In the chuck device 3, the wire 3 </ b> Y is wound by tightening the wire winding bolt 36, and the first chuck 31 and the second chuck 32 that sandwich the winding frame 2 are tightened. On the other hand, when the wire take-up bolt 36 is loosened, the wire 3Y is relaxed and the tightening of the first chuck 31 and the second chuck 32 is released. In the present embodiment, since the chuck device 3 chucks the winding frame 2 by winding the wire 3Y, it is easy to attach and detach the winding frame 2 from the chuck devices 3 and 3.

  The second chuck 32 is provided with a clamp 39. As shown in FIG. 7, the clamp 39 is rotatable and can clamp the winding start portion 1 </ b> S and the turn-up portion 1 </ b> R of the winding coil 1. In the figure, a clamp 39 on one end side (the right side of the drawing in the figure) of the winding frame 2 clamps the winding start portion 1S of the winding coil 1, and the other end side of the winding frame 2 (on the drawing in the drawing). The clamp 39 on the left side indicates a state where the folded portion 1R of the winding coil 1 is not clamped (clamp release state). The clamp 39 on the other end side (the left side of the drawing in the figure) of the winding frame 2 is rotated in the direction of the arrow shown in the figure to be in a state indicated by a broken line, and clamps the folded portion 1R of the winding coil 1. be able to.

(Formation of winding coil 1)
Next, a method for forming the winding coil 1 will be described. In the winding device of the rotating electrical machine according to the present embodiment, the winding coil supply device 5 supplies the winding coil 1 while the winding frame driving device 4 rotates the winding frame 2, and the pressing portion of the winding coil forming device 6. 61 presses the winding coil 1. First, the winding coil supply device 5 and the pressing unit 61 move to one end side (the right side in FIG. 4) of the winding frame 2. Then, the winding start portion 1 </ b> S of the winding coil 1 is clamped by the clamp 39 of the chuck device 3.

  Next, when the second motor 44 of the reel driving device 4 is rotated, the reel 2 chucked by the chuck devices 3 and 3 is rotated. At this time, the six winding coil supply devices 5 respectively supply the winding coils 1 from the supply nozzles 52 while moving in the direction of the axis AL1 (the left direction in the drawing). The pressing portion 61 moves linearly in the radial direction perpendicular to the axis AL1 (in the direction of the arrow RD1 shown in the drawing) and moves in the direction of the axis AL1 (the left side in the drawing in the drawing) while contacting the reel 2. The six winding coils 1 are pressed simultaneously.

  When the winding coil supply device 5 and the pressing portion 61 reach the other end side of the winding frame 2 (the left side in the drawing), the folded portion 1R of the winding coil 1 is clamped by the clamp 39 of the chuck device 3. Is done. Then, the winding coil supply device 5 and the pressing unit 61 move in the opposite direction (the right direction in the drawing) in the direction of the axis AL1. When the winding coil supply device 5 and the pressing portion 61 reach one end side of the winding frame 2 (the right side in the drawing), the winding coil supply device 5 stops supplying the winding coil 1 and turns the winding coil 1. The wire coil forming device 6 stops forming the winding coil 1. Then, the reel driving device 4 stops the rotation of the reel 2.

  In the present embodiment, while the winding frame driving device 4 rotates the winding frame 2, the winding coil supply device 5 supplies the winding coil 1 and the winding coil forming device 6 forms the winding coil 1. Therefore, the supply, formation and winding of the winding coil 1 can be performed continuously, and the production efficiency can be improved. Further, the pressing portion 61 of the winding coil forming device 6 moves in the axis AL1 direction while moving linearly in the radial direction orthogonal to the axis AL1 (in the direction of the arrow RD1 shown in the drawing) and contacting the winding frame 2. The wire coil 1 is pressed. Therefore, when the winding frame 2 is rotated, the pressing portion 61 can be moved in contact with the winding frame 2, and the winding coil 1 can be formed and wound at the same time.

  When the winding of the winding coil 1 is finished, the clamps 39 and 39 are respectively brought into a clamp release state, the wire take-up bolt 36 is loosened, and the chuck of the winding frame 2 by the chuck devices 3 and 3 is released. And if the winding frame 2 is taken out and the winding frame holding | maintenance part 22 is extracted, the formed winding coil 1 can be taken out. In the present embodiment, since the winding coil 1 is formed in a state in which the distance D1 between the coil sides is held by the winding frame holding part 22, the winding frame main body parts 21, 21 are extracted by removing the winding frame holding part 22. A gap is generated between them, and the winding coil 1 can be easily extracted from the winding body portions 21 and 21.

  The winding coil 1 taken out from the winding frame 2 is mounted on the stator core, and the end of the winding coil 1 is processed. In the rotating electrical machine in the present embodiment, two winding coils 1 having the same phase are adjacent to each other in the moving direction of the mover magnetic pole, and the six winding coils 1 are arranged in order of U phase (forward U phase), U Phase (forward U phase), W phase (reverse W phase), W phase (reverse W phase), V phase (forward V phase), and V phase (forward V phase). The in-phase winding coils 1 can be connected in series or in parallel, respectively, and the three-phase winding coils 1 can be Y-connected or Δ-connected.

(2) Others The present invention is not limited to the embodiments described above and shown in the drawings, and can be implemented with appropriate modifications within a range not departing from the gist. For example, the number of in-phase winding coils 1 is not limited to two, and may be one or three or more. Further, the present invention can be used for various rotating electric machines of a wave winding system, and can be used for, for example, a vehicle drive motor, a generator, an industrial device, and the like.

1: winding coil,
11: coil side, 12: coil end,
2: reel,
21: reel body part,
211: Coil side part forming surface, 212: Coil end part forming surface,
22: Reel holding part,
23: guide groove,
25: fitting hole,
3: Chuck device,
4: Reel drive device,
41: Centering member,
5: Winding coil supply device,
6: Winding coil forming device,
61: Pressing part

Claims (5)

A winding coil comprising a coil side portion alternately inserted into each slot of the stator core and a coil end portion integrally formed with the coil side portion and connecting the same side end portion of the coil side portion A winding device of a rotating electrical machine that forms the winding coil by winding it on a winding frame so that
The reel is
A winding frame body having a coil side forming surface provided with a guide groove for guiding the coil side;
A winding frame holding portion that holds the distance between the coil side portions in the holding direction when the winding coil is wound by the two winding frame main body portions; and
A winding device for a rotating electrical machine.   2. The winding device for a rotating electrical machine according to claim 1, wherein the winding frame main body portion has a coil end portion forming surface provided with a taper at a winding portion of the coil end portion. A chuck device for chucking the reel at both ends of the reel;
A reel driving device for rotating the reel chucked by the chuck device around the center line of the reel;
A winding coil supply device for supplying the winding coil to the winding frame;
A winding coil forming device having a pressing portion for pressing the supplied winding coil to form the winding coil;
With
The winding frame has a fitting hole penetrating through the center line of the winding frame as a hole core;
The reel driving device has a centering member that fits into the fitting hole and aligns the center line of the reel and the axis.
The winding coil driving device supplies the winding coil while the winding frame driving device rotates the winding frame, and the winding coil forming device forms the winding coil. Winding device for rotating electrical machines.   The winding device for a rotating electrical machine according to claim 3, wherein the chuck device chucks the winding frame by winding a wire.   The said pressing part of the said winding coil formation apparatus moves to the said axial direction, moving linearly in the radial direction orthogonal to the said axis line, and pressing the said winding coil while contacting the said winding frame. Winding device for rotating electrical machines.

Images