KR101551362B1 - Coil winding apparatus, coil winding method and stator - Google Patents

Abstract

A coil winding device of the present invention comprises: a winding jig fixing a divisional core to circularly arrange the divisional core comprising a division unit where a first teeth unit, a second teeth unit, and a through-hole are formed; a first coil winder arranged outside of the winding jig for winding a first coil to the first teeth unit of the divisional core; a second coil winder arranged inside of the winding jig for winding a second coil to the second teeth unit of the divisional core; and an operation unit for rotating the winding jig. Accordingly, the coil winding device can minimize a connector for connecting a coil between the divisional cores, and soldering by consecutively winding the first coil to one side of a plurality of divisional cores, and consecutively winding the second coil to the other side of the divisional cores.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a coil winding apparatus and method,

More particularly, the present invention relates to a coil winding apparatus and method capable of continuously winding a first coil and a second coil to minimize a connector and a soldering portion, and a stator manufactured using the same will be.

A conventional coil winding apparatus is disclosed in Korean Patent Laid-Open Publication No. 10-1318155 (Oct. 08, 2013), in which a plate having a vertically moving cylinder for adjusting the height in the vertical direction, A supporting body inserted into the half groove of the plate to support the plate; and a drawing means for drawing at least two or more coils wound on the teeth of the stator to the outside of the upper surface of the stator.

The drawing means includes a frame provided on the upper surface of the plate, a back-and-forth moving cylinder provided on the frame and being moved in the forward and backward directions, and an operation for moving in the forward and backward directions, And a hook member provided on the clamping unit of the clamping cylinder and having an end bent toward one side and hooking the coil wound by the operation of the back and forth moving cylinder and the clamping cylinder, .

Such a conventional coil winding apparatus is provided with a plurality of coil unwinders and coils are wound on each of a plurality of teeth formed on the stator, so that the coils wound on the respective teeth are separated from each other, There is a problem that the structure is complicated, the productivity is lowered, and the production cost is increased.

Korean Patent Publication No. 10-1318155 (October 08, 2013)

SUMMARY OF THE INVENTION An object of the present invention is to provide a coil winding apparatus and method capable of reducing a winding time by winding a first coil on one side of a stator core and winding a second coil on the other side of the stator core, And a stator manufactured using the same.

It is a further object of the present invention to provide a method of manufacturing a semiconductor device in which divided cores are arranged in an annular shape and then a first coil is continuously wound on one side of a plurality of divided cores and a second coil is continuously wound on the other side of the divided cores, And to provide a stator manufactured using the apparatus and method for winding a coil capable of minimizing soldering.

The coil winding apparatus of the present invention comprises a winding jig for fixing a divided core such that a divided core having a first tooth portion, a second tooth portion and a partition formed with through holes is arranged in an annular shape; A first coil winding device for winding a first coil at a first tooth part of the core, a second coil winding device for winding a second coil at a second tooth part of the split core, disposed inside the winding jig, And a driving unit for rotating the jig.

According to a preferred embodiment of the present invention, the first coil winding machine and the second coil winding machine are located on a straight line so that the first coil and the second coil can be simultaneously wound on the divided cores.

The winding jig includes a disk member having a plurality of divided cores fixed at regular intervals in the circumferential direction, a rotating shaft mounted at the center of the disk member for rotatably supporting the disk member, And a fixing pin passing through the through hole of the divided core.

The disk member may have a partition wall portion extending vertically from an edge of the disk member, and an insertion groove into which the fixing pin is inserted may be formed at a predetermined interval on an upper surface of the partition wall portion.

The winding jig includes a disk member having three sets of divided cores corresponding to U-phase, V-phase, and W-phase arranged at regular intervals in the circumferential direction, And a fixed unit fixed to the upper surface of the divided core to support the divided core.

The fixed unit may include a ring portion formed in a circular ring shape and a fin portion mounted on the ring portion and arranged at equal intervals in the circumferential direction so as to be inserted into the through holes of the three sets of divided cores.

The disk member may have a partition wall portion extending vertically at an edge thereof, and three sets of insertion grooves may be formed at regular intervals in the circumferential direction so that the three sets of fin portions are inserted into the partition wall portion.

A method of winding a coil according to the present invention includes the steps of: fixing a plurality of divided cores annularly to a winding jig; winding a first coil on a first tooth portion of the divided core and winding a second coil A step of winding the coil and rotating the winding jig to continuously wind the first coil on the first tooth portion of the plurality of divided cores and to continuously wind the second coil on the second tooth portion .

The step of fixing the plurality of divided cores to the winding jig includes the steps of arranging the divided cores in the circumferential direction of the disk member, fixing the plurality of divided cores to the winding jig by inserting the fixing pins into each of the plurality of divided cores . ≪ / RTI >

The stator of the present invention includes a plurality of divided cores arranged in an annular shape, a bobbin which is a non-magnetic body wrapped around the outer peripheral surface of the divided core, a first coil wound around the first tooth portion of the divided core, A second coil wound around a two-tooth portion, and a stator support arranged to annularly arrange the divided cores, the first coil being wound on a first tooth portion of the plurality of divided cores, And between the second coils wound on the second tooth portion of the plurality of divided cores may be connected to the second lead wire by a continuous winding.

As described above, the coil winding apparatus and method of the present invention can reduce the winding time by winding the first coil on one side of the stator core and winding the second coil on the other side of the stator core, Can be improved.

Further, in the coil winding apparatus and method of the present invention, after the divided cores are arranged in an annular shape, the first coil is continuously wound on one side of the plurality of divided cores and the second coil is continuously wound on the other side of the divided cores, Connectors and soldering for connecting the coils between the cores can be minimized.

1 is a configuration diagram of a coil winding apparatus according to a first embodiment of the present invention.
2 is a side view of a segmented core in which a coil is wound according to a first embodiment of the present invention.
3 is a plan view of a segmented core according to a first embodiment of the present invention.
4 is a perspective view of a winding wire according to a first embodiment of the present invention.
5 is a perspective view of a disc member of a winding wire according to a first embodiment of the present invention.
FIG. 6 is a perspective view showing a split core arranged annularly on a disk member of a wire wound sheet according to the first embodiment of the present invention. FIG.
7 is a configuration diagram of a coil winding apparatus according to a second embodiment of the present invention.
8 is a perspective view of a winding wire according to a second embodiment of the present invention.
9 is a perspective view of a disc member of a winding wire according to a second embodiment of the present invention.
10 is a perspective view of a winding jig according to a second embodiment of the present invention, in which the divided cores are annularly arranged.
11 is a plan view of a stator showing a soldering portion and a connector connecting portion according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The sizes and shapes of the components shown in the drawings may be exaggerated for clarity and convenience. In addition, terms defined in consideration of the configuration and operation of the present invention may be changed according to the intention or custom of the user, the operator. Definitions of these terms should be based on the content of this specification.

1 is a configuration diagram of a coil winding apparatus according to a first embodiment of the present invention.

1, a coil winding apparatus according to the present invention includes a winding jig 20 for fixing a divided core 10 such that a plurality of divided cores 10 are annularly arranged, A first coil winding device 30 for winding the first coil 12 on the outer side of the divided core 10 and a second coil 14 disposed on the inner side of the winding jig 20 and inside the divided core 10, And a second coil winding (40) for winding the first coil winding (40).

Further, a driving unit (not shown) for rotating the winding jig 20 may be further provided.

2 and 3, the split core 10 includes a first tooth portion 310 around which the first coil 12 is wound, a second tooth portion 310 formed on the opposite side of the first tooth portion 310, A second tooth portion 312 wound around the first teeth portion 310 and the second tooth portion 312 and a partition portion 314 for partitioning the first tooth portion 310 and the second tooth portion 312; And a coupling portion formed at an end portion and interconnecting the divided cores 10 with each other.

The bobbin (64) is integrally formed on the outer surface of the divided core (10).

A through hole 332 is formed at the center of the partition 314 so that the first magnetic circuit formed by the first coil 12 and the second magnetic circuit formed by the second coil 14 interfere with each other . The through holes 332 may be elongated in the lateral direction of the partition 314 in a slot shape other than a circular shape.

The divided cores 10 should have a structure directly connected to each other so as to form a magnetic circuit. Therefore, the coupling portion has a structure directly connected so that the divided cores 10 can be energized with each other.

For example, a coupling protrusion 322 may be formed on one side of the partition 314 and a coupling groove 320 may be formed on the other side of the partition 314 to receive the coupling protrusion 322 When the engaging projections 322 are fitted into the engaging grooves 320, the stator cores 10 are radially arranged and have a structure directly connected to each other.

The divided core 10 according to the present invention is applied to a double rotor / double stator type motor. The first coil 12 and the second coil 14 are wound independently of each other and are wound around the first coil 12 The first power source is applied, and the second power source is applied to the second coil 14.

4, the winding jig 20 includes a disk member 24 having a plurality of divided cores 10 fixed at regular intervals in the circumferential direction and a disk member 24 mounted at the center of the disk member 24, And a fixing pin 26 which is inserted in the circumferential direction of the disk member 24 and passes through the through hole 332 of the divided core 10.

5, the disk member 24 has a disk shape, a rotation axis is fixed at the center, a partition wall portion 25 extending vertically by a predetermined height is formed at the periphery of the disk member 24, An insertion groove 28 into which the fixing pin 26 is inserted is formed at regular intervals.

The driving unit is preferably composed of a step motor connected to the rotating shaft so as to rotate the winding jig 20. [

The split core 10 according to the first embodiment produces three sets of split core assemblies corresponding to U, V, W phases in the case of three phases. That is, the divided cores of the U, V, and W phases are alternately arranged in turn for each phase. At this time, the first coil 12 and the second coil 14 between the divided cores for each phase are connected to a lead wire having a relatively long length.

The process of assembling the divided cores in the winding jig thus constructed will be described below.

6 is a perspective view showing a state in which a divided core is inserted into a winding jig according to the first embodiment of the present invention.

First, as shown in Fig. 6, a plurality of divided cores 10 are arranged at regular intervals on the upper surface of the disk member 24 in the circumferential direction. The fixing pin 26 is inserted so as to pass through the through hole 332 of each divided core 10 and the fixing pin 26 is inserted into the insertion groove 28 formed on the upper surface of the disk member 24 . Then, the split core 10 is fixed to the disk member 24.

At this time, the divided core 10 has a bobbin 64 wrapped around its outer surface.

After the first coil winding machine 30 is disposed outside the assembled winding jig 20 and the second coil winding machine 40 is disposed inside the first and second coil winders 30 and 30, The first coil 12 is wound on the first tooth portion 310 of the split core 10 and the second coil 14 is wound on the second tooth portion 312. [

At this time, since the first coil winding machine 30 and the second coil winding machine 40 are positioned on a straight line, the first coil 12 and the second coil 14 are simultaneously wound on the divided core 10.

When the operation of winding the first coil 12 and the second coil 14 to one divided core 10 is completed, the driving part is operated and the winding jig 20 is rotated by the set angle, And is positioned opposite to the coil winding machine 30 and the second coil winding machine 40. Then, the first coil winding machine 30 and the second coil winding machine 40 wind the first coil and the second coil to the next divided core.

At this time, since the first coil 12 and the second coil 14 are continuously wound on the divided core 10, the first coils 12 wound around the respective divided cores are connected to the first lead wire, And between the second coils 14 wound on the core is connected to the second lead wire. At this time, the lengths of the first lead wire and the second lead wire have a length substantially matching the interval between the divided cores when the divided cores are arranged radially.

As described above, since the interval between the divided cores is equal to the interval between the lead wires, it is possible to prevent the lead wire from remaining between the divided cores and to be complicated, and since the divided cores are continuously wound, The use of the solder or the connector for connecting the connector can be minimized.

FIG. 7 is a configuration diagram of a coil winding apparatus according to a second embodiment of the present invention, and FIG. 8 is a perspective view of a winding jig according to the second embodiment.

A winding jig 70 for fixing the divided cores 10 so that a plurality of divided cores 10 are arranged in an annular shape and a first coil 12 disposed outside of the winding jig 70 and outside the divided cores 10 A second coil winding device 40 disposed inside the winding jig 70 and winding the second coil 14 inside the divided core 10; a second coil winding device 40 disposed inside the winding jig 70, And a driving unit (not shown) for rotating the jig 70.

The divided core according to the second embodiment has three phases, and three sets of divided cores corresponding to U, V, and W phases are provided. That is, the divided cores of the U, V, and W phases are alternately arranged in turn for each phase.

Therefore, the coil winding apparatus includes a device for winding a coil on three sets of divided cores corresponding to the U phase, a device for winding the coils on three sets of divided cores 74 corresponding to the V phase, An apparatus for winding a coil on a set of split cores 74 may be provided, wherein in one coil winding apparatus, the coils are wound on three sets of divided cores corresponding to U, and then three sets of corresponding A method of winding the coil on the divided core 74 and finally winding the coil on the three sets of divided cores 74 corresponding to the W phase is also applicable.

The winding jig includes a disk member 72 in which three sets of divided cores 74 corresponding to U phase, V phase or W phase are arranged at equal intervals in the circumferential direction and a disk member 72 connected to the center of the disk member 72, A rotation shaft 80 rotatably supporting the split core 74 and a fixed unit 90 fixed on the upper surface of the split core 74 and supporting the split core 74.

In the present invention, three sets of divided cores 74 are arranged at regular intervals in the circumferential direction. However, it is also possible that two or three sets of divided cores 74 are provided.

9, the disk member 72 is in the form of a disk, and a rotation shaft 80 is fixed to the center of the disk member 72, and a partition wall portion 82 extending vertically by a predetermined height is formed at an edge thereof.

The fixed unit 90 has a ring portion 92 formed in the shape of a circular ring and three sets in the circumferential direction so as to be inserted into the through holes 332 of the three sets of divided cores 74 mounted on the ring portion 92 And pin portions 94 arranged at even intervals.

On the upper surface of the disk member 72, the insertion grooves 84 into which the fin portions 94 are inserted are formed in the same number as the fin portions 94.

10, in the process of assembling the divided cores to the winding jig according to the second embodiment, three divided cores 74 are formed in the circumferential direction on the upper surface of the disk member 72, Are arranged at regular intervals.

The fin portion 94 is inserted into the insertion groove 84 through the through hole 332 of the split core 74. At this time, the plurality of fin portions 94 are supported by the ring portion 92. The split core 10 has a bobbin 64 wrapped around its outer surface.

As described above, the first coil winding machine 30 is disposed outside the assembled winding jig 70, the second coil winding machine 40 is disposed inside, and then the first coil winding machine 30 and the second coil winding machine 30, The first coil 12 is wound on the first tooth portion 310 of the split core 10 and the second coil 14 is wound on the second tooth portion 312. [

When the operation of winding the first coil 12 and the second coil 14 on one divided core 10 is completed, the driving unit is operated so that the winding jig 70 is rotated by a predetermined angle, And is positioned opposite to the coil winding machine 30 and the second coil winding machine 40. Then, the first coil winding machine 30 and the second coil winding machine 40 wind the first coil 12 and the second coil 14 to the next divided core 10.

At this time, since the first coil 12 and the second coil 14 are continuously wound on the divided core 10, the first coils 12 wound around the respective divided cores are connected to the first lead wire, And between the second coils 14 wound on the core is connected to the second lead wire. At this time, the lengths of the first lead wire and the second lead wire have a length substantially matching the interval between the divided cores when the divided cores are arranged radially.

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The plurality of divided cores 10 produce three sets of divided core assemblies corresponding to U, V, and W phases in the case of three phases. That is, the divided cores of the U, V, and W phases are alternately arranged in turn for each phase. At this time, the divided cores for each phase are connected to a lead wire having a relatively long length.

11, the first coil 12 wound on the first tooth portion 310 of the divided core 10 is connected to the first connector 100 and the first common terminal And the second coil 14 wound on the second tooth portion 312 of the divided core 10 is connected to the second connector 200 and the first common terminal 202. Therefore, only four soldering portions and connector connecting portions are needed, so that the soldering process can be minimized.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be construed as limited to the embodiments set forth herein. Various changes and modifications may be made by those skilled in the art.

10: split core 12: first coil
14: second coil 20: winding jig
24: disk member 25: partition wall portion 26: fixing pin 30: first coil winding machine 40: second coil winding machine

Claims (10)

A winding jig for fixing the divided cores so that the divided cores each having the first tooth portion, the second tooth portion and the through hole formed therein are annularly arranged;
A first coil winder disposed on the outer side of the winding jig to wind the first coil to the first tooth portion of the divided core;
A second coil winding disposed inside the winding jig to wind the second coil to the second tooth portion of the divided core; And
And a driving unit for rotating the winding jig,
The winding jig,
A plurality of divided cores fixed at regular intervals in the circumferential direction; a rotating shaft mounted at the center of the disc member for rotatably supporting the disc member; And a fixing pin inserted into the insertion groove formed at regular intervals along the circumferential direction. The method according to claim 1,
Wherein the first coil winding machine and the second coil winding machine are located on a straight line so that the first coil and the second coil are simultaneously wound on the divided cores. delete The method according to claim 1,
Wherein the disk member is formed with a partition wall portion vertically extending at an edge thereof, and the insertion groove is formed on an upper surface of the partition wall portion. A winding jig for fixing the divided cores so that the divided cores each having the first tooth portion, the second tooth portion and the through hole formed therein are annularly arranged;
A first coil winder disposed on the outer side of the winding jig to wind the first coil to the first tooth portion of the divided core;
A second coil winding disposed inside the winding jig to wind the second coil to the second tooth portion of the divided core; And
And a driving unit for rotating the winding jig,
The winding jig,
A disk member having three sets of divided cores corresponding to U-phase, V-phase and W-phase respectively arranged at regular intervals in the circumferential direction, a rotating shaft connected to the center of the disk member, And a fixed unit fixed to an upper surface of the divided core to support the divided core,
Wherein the fixed unit includes a ring portion formed in a circular ring shape and a fin portion inserted into the through hole of the three sets of divided cores to be mounted on the ring portion. delete 6. The method of claim 5,
Wherein the disk member is formed with a partition wall portion extending vertically at an edge thereof and three sets of insertion grooves are formed at regular intervals in the circumferential direction so that the three sets of fin portions are inserted into the partition wall portion. A plurality of divided cores having a first tooth portion, a second tooth portion and a partition formed with a through hole;
Winding the first coil on the first tooth portion of the split core and winding the second coil on the second tooth portion of the split core; And
Continuously winding the first coil on the first tooth portion of the plurality of divided cores while rotating the winding jig, and continuously winding the second coil on the second tooth portion, the coil winding method comprising:
The winding jig includes a disk member having a plurality of divided cores fixed at regular intervals in the circumferential direction, a rotating shaft mounted at the center of the disk member to rotatably support the disk member, And a fixing pin inserted into the insertion groove formed at predetermined intervals along the circumferential direction of the disk member,
The step of fixing the plurality of divided cores to the winding jig includes:
Arranging the plurality of divided cores in a circumferential direction of the disk member; And
And inserting a fixing pin into each of the plurality of divided cores to fix the plurality of divided cores to the winding jig. delete delete

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