JPH11297559A - Winding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a winding device of a simple structure by which winding can be formed in such a way that the starting end and finishing end of the coil are both led out from the outermost layer. SOLUTION: A flyer 30 is disposed on the perimeter of a winding tool 23 which is a winding core and a flat angular wire 6 is drawn out from the top end of the flyer 30 and is led out upward by the retraction of a wire leading cylinder (air cylinder) 42 of a wire storing nit 40. The wire is wound as a first step around the perimeter of the winding tool 23 by the revolution of the flyer 30. Then the wire is wound as a second step around the top end of the extremity of the winding tool as a winding core by the rotation of the winding tools 12 and 23 as a single piece. In this case, the flat angular wire 6 which is drawn out at the second step of winding is subjected to a tension by the resistance caused by the extraction of the wireleading cylinder 42. Also, a notch 23a of the same width as that of the flat angular wire 6 is formed on the top end of the winding tool 23, so as to avoid producing a step difference between the windings of the first layer and that of the second layer.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a winding device for winding a coil so that both a winding start end and a winding end end come to the outermost layer of the coil.

[0002]

2. Description of the Related Art In a winding device for a multilayer air-core coil, there is a winding device in which a winding start end and a winding end end are both located at an outermost layer of the coil (so-called outer-outer winding). For example, it is proposed in Japanese Patent Publication No. 8-15376.

FIG. 17 shows a winding device for external and external windings disclosed in Japanese Patent Publication No. 8-15376.

[0004] As shown in the figure, a wire 102 fed from a wire source 101 is applied with a predetermined tension by a tensioner 103, passes through a dose storage sensor 104 and a traverser 105, and passes through a wire winding roller 106 A.
It is led to.

[0005] The storage wire take-up roller 106A, together with the storage wire take-up roller 106B, is connected to the cylinder head cover 10A.
7, a pair of cylinder head covers 1
The position of each other can be changed by rotation of 07. And the wire rod 102 is the storage wire winding roller 1
06A, the storage wire take-up roller 106A
Is different from that shown in FIG.
In the position.

[0006] A storage-line driving motor (not shown) is connected to the storage-line winding roller 106A via a storage-line driving clutch (not shown). As a result, the storage wire winding roller 106A is rotated by the drive of the storage wire drive motor, and a predetermined amount of wire measured by the storage dose detection sensor 104 is wound around the storage wire winding roller 106A as a storage wire.

Thereafter, the storage wire drive clutch is released, and the cylinder head cover 107 is rotated to bring the storage wire winding roller 106A to the position shown in FIG. At this time, the wire 102 is accommodated in a drawing groove 107 a formed in the cylinder head cover 107.

[0008] A coil-shaped base 108, which is a winding core around which the wire 102 is wound, is provided with a through hole 1 in a cylinder head cover 107.
07b, and is rotatable together with a main shaft (not shown). First, as a first-stage winding, a wire 102 pulled out from a wire material source 101 is wound around the coil mold base 108 at a portion between the pressing flange 109 at the end of the coil mold base 108 and the cylinder head cover 107. It is wound with the rotation of the table 108. Thereby, the end of the first stage winding comes to the outermost layer of the coil.

After the completion of the first-stage winding, the cylinder head cover 107 is retracted to the left in FIG. 17 to newly expose the coil mold base 108. Then, the storage wire wound around the storage wire winding roller 106A is wound around the newly exposed portion as a second-stage winding. Thereby, the end of the second stage winding also comes to the outermost layer of the coil.

[0010] By such a winding operation, the finished coil has both the winding end end and the winding start end in the outermost peripheral layer.

[0011]

However, in such a conventional winding device for external and external windings, the storage wire take-up roller 106A, which is the storage portion, is provided with a winding jig (cylinder head cover) at the time of winding. 107, the coil-shaped base 108, and the holding flange 109), so that when the wire 102 is wound around the storage wire winding roller 106A,
The structure of the winding device has become complicated and large, for example, it is necessary to couple the storage wire winding roller 106A and the storage wire drive motor via a storage wire drive clutch.

The present invention has been made in view of such a problem, and a winding having a simple structure in which both the winding start end and the winding end end are led out of the outermost layer of the coil is provided. It is an object of the present invention to provide a winding device that can be performed by the following.

[0013]

According to a first aspect of the present invention, there is provided a winding device for winding a coil so that both a winding start end and a winding end end are led out of an outermost layer of the coil, and is disposed around a winding core. Flyer, flyer revolving means for revolving the flyer around the winding core, winding core rotating means for rotating the winding core around an axis, and wire drawn out from the flyer tip as a storage wire. A wire portion fed from the tip of the fryer, and a portion of the wire rod before the wire storage device is wound around the core by the revolution of the flyer, and the wire material supplied from the wire storage device is wound around the core. The coil is formed by winding around the core by rotation of the core.

[0014] In the second invention, the wire accumulating means applies tension to a wire supplied at the time of winding.

According to a third aspect of the present invention, the wire storage means includes a cylinder, and a chuck means movable with respect to the core by expansion and contraction of a rod of the cylinder. In addition to gripping the wire rod, the wire rod gripped by the chuck means is pulled by the operation of the cylinder, and is supplied at the time of winding by the resistance generated against the expansion and contraction of the rod caused by drawing out the wire rod to be wound. The tension is given to the wire to be formed.

According to a fourth aspect of the present invention, the cylinder is an air cylinder, and the resistance generated by the expansion and contraction of the rod is generated by the flow of air flowing into and out of the air cylinder when the air cylinder expands and contracts.

According to a fifth aspect of the present invention, a throttle valve is provided in a flow path of air flowing in and out of the air cylinder when the air cylinder expands and contracts, and a resistance generated against expansion and contraction of the rod by changing the opening degree of the throttle valve. Was made variable.

According to a sixth aspect of the present invention, the wire storage means includes a motor for driving the wire into the wire storage means and a motor control means for controlling the rotation of the motor, and is drawn out of the wire storage means at the time of winding. A tension is applied to the wire by controlling the motor by the motor control means.

In a seventh aspect, the winding core includes a first winding core whose outer periphery is wound by the flyer,
And a second winding core arranged coaxially so that the ends of the windings contact each other and wound around the outer periphery by rotation of the winding core. Surfaces cut out at the leading end of the core and the leading end of the second core each form a notch oriented in the winding direction, and the width of these notches in the outer circumferential direction of the core is wound around each of the cores. And the width of the wire rod to be made in the outer circumferential direction of the winding core is adjusted.
When winding the second winding core, the first-layer winding was started from the vicinity of the notch.

According to an eighth aspect of the present invention, in the winding device for winding a wire around the outer periphery of the winding core, a cutout is formed on the winding core so that the cutout surface is oriented in the winding direction. The width in the outer circumferential direction of the core is matched with the width of the wire wound around the core in the outer circumferential direction of the core, and the first layer winding is cut when the winding is performed on the core. It started from the vicinity of the chip.

[0021]

According to the first aspect of the present invention, the winding is performed in two stages, namely, the winding by the revolution of the flyer and the winding by the rotation of the winding core.
The end of each winding is the end of the winding, and each of them is automatically derived from the outermost layer of the coil. In this case, the winding by the flyer, which is performed in a state where the wire material corresponding to the winding by the rotation of the winding core is stored in the storage means, is performed by the revolution of the flyer. There is no need to rotate. Further, the winding by the rotation of the winding core can be executed immediately after the winding by the revolution of the flyer. Therefore, the configuration of the winding device can be simplified, and the process of winding the multilayer coil can be rationalized.

In the second aspect of the present invention, the tension applied to the wire supplied at the time of winding by the rotation of the winding core is given by the wire storing means, so that the configuration of the winding device can be simplified.

According to the third invention, the wire supplied from the wire storage means is provided with a resistance caused by the expansion and contraction of the rod of the cylinder.
Since the tension is automatically applied, the cylinder serves both as a storage wire drawing-out mechanism and a tension applying mechanism, and the configuration of the winding device can be simplified.

In the fourth aspect, the cylinder is an air cylinder, and the resistance for applying tension to the wire is generated as air flows in and out of the air cylinder. Therefore, the wire storage device can be made compact. Cost reduction can be achieved.

In the fifth aspect, the tension applied to the wire at the time of winding can be adjusted appropriately by changing the opening of the throttle valve.

In the sixth aspect of the present invention, the wire rod is drawn into the wire storage means by the motor controlled by the motor control means and tension is applied to the wire drawn from the wire storage means. Control of the tension applied to the wire during winding can be performed with high accuracy.

In the seventh aspect, since the width of the notch formed at the tip of the first and second cores is equal to the width of the wire, the winding around the first and second cores is performed. In the line
When winding the second layer, a step can be prevented from occurring between the notch and the starting point of the first layer. Therefore, when the winding is transferred from the first layer to the second layer, the wire can be smoothly wound from the outer periphery of the winding core onto the winding of the first layer, and the wire can be reliably formed. Multi-layer winding can be performed rationally.

In the eighth aspect, the width of the notch formed in the core is equal to the width of the wire. A step can be prevented from occurring between the notched portion and the starting point of the winding of the first layer. Therefore, when the winding is transferred from the first layer to the second layer, the wire can be smoothly wound from the outer periphery of the winding core onto the winding of the first layer, and the wire can be reliably formed. Multi-layer winding can be performed rationally.

[0029]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 and FIG. 2 are perspective views showing the overall configuration of the winding device of the present embodiment. 3 and 4,
FIG. 2 shows a cross-sectional view of this winding device.

As shown in the figure, the winding device includes a pair of spindle supports 2 and 3 on a base 1.

The spindle support 2 includes a fixed base 2a fixed to the base and a movable base 2b. Moving table 2b
Is moved back and forth on the fixed portion 2A with respect to the spindle support base 3 side by the moving base drive motor 4 and the ball screw 5 (FIG. 3).
To the left and right).

A movable spindle 2b has a hollow spindle 10
Are rotatably supported around an axis via a bearing. A sleeve 11 is fixed to a proximal end side of the hollow portion 10a of the spindle 10. This sleeve 11 includes a winding jig 1
2 is accommodated so as to be slidable in the axial direction and rotatable in the rotational direction around the axis.

The end portion 1 of this winding jig 12 having a substantially circular cross section
2a protrudes from the tip end side of the spindle 10 facing the spindle support base 3 side. The tip 12a forms a part of the core.

The tip surface 1 of the winding jig tip 12a
A fitting recess 12c is formed in 2b. The fitting recess 12c is fitted (fitted to a different diameter) so as to rotate integrally with a fitting convex member 24 fixed to a winding jig 23 on the flyer spindle 20 described later. Thereby, the winding jig 12
And the winding jig 24 are integrally rotated.

The winding jig tip portion 12a and tip surface 1
A cutout 12d is cut out in a part of 2b.
The notch 12d is cut out to the right as viewed from the front of the distal end face 12b so as to face upward. Also, notch 1
The width of 2 d is equal to the width of the flat wire 6. As described below, the presence of the notch 12d allows the rectangular wire 6 to be correctly wound in multiple layers at the tip 12a.

In the tip end surface of the spindle 10, a clearance groove 1 extends upward from the position of the notch 12b.
0c has been truncated. As described later, at the time of the first-stage winding (at the time of winding to the later-described winding jig 23), the flat wire 6 is accommodated in the escape groove 10c and is released to the later-described storage unit 40 side. It is supposed to be.

A flange 12e is formed on a part of the outer periphery of the winding jig 12, and a spring 13 is interposed between the flange 12e and the tip of the sleeve 11.
The spring 13 biases the winding jig 12 toward the tip of the spindle 10 (to the left in FIG. 3) until the flange 12e contacts the step 10b formed on the inner periphery of the hollow portion 10a of the spindle 10. It is supposed to be.

The sleeve 11 protrudes from the base end of the spindle 10, and a gear 14 is fixed to this protruding portion. On the other hand, a gear 16 is fixed to the drive shaft 15a of the spindle drive motor 15. The belt 10 is wound around these gears 14 and 16, whereby the spindle 10 is driven to rotate by the spindle drive motor 15.

On the spindle support 3, a cylindrical flyer spindle 20 is rotatably supported via a bearing. This flyer spindle 20 has an L-shaped flyer 3
0 is fixed.

The inner periphery of the flyer spindle 20 is coaxially provided with a spline portion 21a on the outer periphery of the rotating shaft 21.
Are spline-connected. A winding jig support member 22 is rotatably and coaxially supported at the tip of the rotating shaft 21 via a bearing. A winding jig 23 forming a part of the winding core is coaxially fixed to the tip of the winding jig support member 22.

The winding jig 23 has a substantially circular cross section having substantially the same diameter as the end portion 12a of the above-described winding jig 12, and the fitting convex member 24 is fixed by projecting from the end surface. in this case,
The winding jig 23 (therefore, the flyer spindle 20, the rotating shaft 21, and the winding jig support member 22) are arranged coaxially with the spindle 10 described above.
The above-mentioned winding jig 12 and the front end face face each other from the front. Thereby, when the movable table 2b moves toward the spindle support table 3, the winding jig 23 and the distal end surface of the winding jig 12 come into contact with each other. At this time, the fitting convex member 24 and the fitting concave section 12c are integrally formed. Fit so as to rotate. At this time, the winding jig 1
2 is pressed against the winding jig 23 by the spring 13. Thereby, the winding jig 23 and the winding jig 12 are integrally connected.

The axial height of the winding jig 23 is equal to the thickness of the flat wire 6.

The winding jig 23 has a notch 23 on the left side when viewed from the front of the front end surface such that the notch surface faces downward.
a is formed. The notch 23a is used for the winding jig 2
When the winding jig 12 and the winding jig 12 are connected, the notch 12d of the winding jig 12 is vertically arranged, and the cut surfaces are opposed to each other with a slight gap. The width of the notch 23a is equal to the width of the flat wire 6.

The portion of the spindle support 3 where the flyer spindle 20 is supported is a sleeve portion 3a for accommodating the flyer spindle 20 coaxially. The sleeve portion 3a is axially movable via a sleeve drive motor 25 and a ball screw 26 with respect to the main body of the spindle support 3 fixed to the base 1.

The base end of the spline portion 21a of the rotating shaft 21 projects rearward (to the right in FIG. 4) of the spindle support 3, and the gear 31 is spline-coupled to this projected portion. The drive shaft 32a of the flyer spindle drive motor 32
, The gear 33 is fixed. These gears 31, 33
The rotation shaft 21 and the flyer spindle 20 are driven to rotate by the flyer spindle drive motor 32, and the tip of the flyer 30 is
It rotates around the winding jig 23.

Behind the spindle support 3, the wire source 3
5 are arranged. The flat wire 6, which is a wire fed from the wire source 35, is given a predetermined tension by a tension device 36, then guided from the base end side to the hollow portion 21b of the rotating shaft 21, and provided in the hollow portion 21b. It is hung around the pulled pulley 37 and guided. Then, the flat wire 6 becomes
Through the hole formed in the outer peripheral surface of the rotating shaft, it escapes to the outside of the rotating shaft 21, penetrates the gear 31, and reaches the through hole 20 a that passes through the flyer spindle 20 in the axial direction. The flat wire 6 that has escaped from the through hole 20a is guided to the pulley 38 at the tip of the flyer 6. A lower chuck device 39 is provided beside the flyer 30, and the tip of the flat wire 6 is gripped by the lower chuck device 39.

On the upper part of the spindle support 3, there is provided a storage unit 40 as a storage unit. As will be described later, in the present winding apparatus, a predetermined amount of the flat wire 6 is drawn out as a storage wire into the storage unit 40, and then the winding jig 23 is rotated by the above-mentioned flyer 30 (revolution). A first-stage winding is performed, and then the storage wire stored in the storage unit 40 is wound around the distal end portion 12a of the winding jig 12 with the rotation of the spindle 30 to perform a second-stage winding. It has become.

The wire storage unit 40 includes a cylinder support base 41, a wire rod drawing cylinder 42, a stopper cylinder 43, an upper chuck device 44, and a front-rear drive cylinder 45.

More specifically, the cylinder support 41 is provided movably in the front-rear direction (left-right direction in FIG. 4) with respect to the spindle support 3. The rod 45a of the front and rear cylinder 45 is attached to the cylinder support table 41, and the movement of the cylinder support table 41 is driven by the front and rear drive cylinder 45.

A wire pulling cylinder 42 which is an air cylinder is attached to the cylinder support 41. An upper chuck device 44 is fixed to a tip of a rod 42a extending downward from the wire rod drawing cylinder 42. As will be described later, the flat wire 6 held by the upper chuck device 44 is drawn out with the contraction of the wire drawing cylinder 42, and the drawn flat wire 6 becomes a storage wire.

A stopper cylinder 43 is provided on the cylinder support base 41 in parallel with the wire rod drawing cylinder 42. The stopper cylinder 43 defines the most contracted position of the wire rod pull-out cylinder 42 so that the flat wire 6 does not loosen. Specifically, the lower end of the rod 43a of the stopper cylinder 43 abuts on the upper part of the connecting member 46 fixed above the upper chuck device 44, and the upper chuck device 44
, Ie, the most contracted position of the wire rod withdrawal cylinder 42 is adjusted.

Next, the operation will be described.

When the wire is wound by the winding device, the flat wire 6 fed from the wire source 35 is connected to the tension device 3.
6, through the pulley 37 and the through hole 20a, is guided to the pulley 38 at the tip of the flyer 20. Further, the tip of the flat wire 6 is gripped by the lower chuck device 39 at the tip of the pulley 38.

Next, the wire rod extracting cylinder 42 of the wire storage unit 40 is operated, and the upper chuck device 44 at the tip of the rod 42a is lowered from the localization value to the vicinity of the lower chuck device 39. In this case, the winding jig 23
Is retracted by the sleeve drive motor 25 together with the sleeve portion 3a so as not to hinder the lowering of the upper chuck device 44.

Subsequently, the rod 42a of the wire drawing cylinder 42 is contracted to draw out the flat wire 6 and store it as a storage wire.

FIGS. 5 and 6 show how the rectangular wire 6 is pulled upward. As shown in the figure, the raised flat wire 6 is formed between a portion of the winding jig tip surface 12b where the notch 12d is formed and a portion of the winding jig 23 where the notch 23a is formed. It is arranged so that it is sandwiched and the wide surface faces the winding jigs 12 and 23.

Subsequently, as shown in FIGS. 7 and 8, the moving jigs 12 and 23 are moved toward each other as the moving table 2b is moved by the moving table drive motor 4 and the sleeve section 3a is moved by the sleeve drive motor 25. Move to At this time, the flat wire 6 from the wire storage unit 40 also advances by the movement of the sleeve 3a with the advance of the wire storage unit 40 by the front-rear drive cylinder 45. As a result, the end faces of the winding jigs 12 and 23 come into contact with each other, and further, the winding jig 2
The distal end portion 12a of the winding jig 12 pushed by 3 retreats to a position where it is completely accommodated in the spindle 10 against the spring 13. Thus, only the winding jig 23 having a height equal to the thickness of the flat wire 6 is exposed as a winding core between the spindle 10 and the winding jig supporting member 22.

At this time, the flat wire 6 above the winding jig 23 is accommodated in the relief groove 10c of the spindle 10 by advancing the wire storage unit 40 together with the operation of the front-rear drive cylinder 45. In addition, this storage unit 4
The slack of the flat wire 6 caused by the advance of zero is eliminated by operating the stopper cylinder 43 to adjust the most contracted position of the wire drawing cylinder 42 and then pulling the flat wire 6 further upward by the wire drawing cylinder 42. You.

In this case, the notch 2 of the winding jig 23
A slight gap is formed between 3a and the notch surface of the notch 12d of the winding jig 12, and the flat wire 6 passes through this gap from the winding jig 23 to the escape groove 10c. It has become.

Subsequently, as shown in FIGS. 9 and 10, the tip of the flyer 30 is revolved around the winding jig 23 by driving the flyer spindle drive motor 32, and the flat wire 6 is wound around the outer periphery of the winding jig 23. By winding until a predetermined number of turns is reached, the first stage winding is performed. The winding in the present winding device is such that the side of the flat wire 6 on the thickness side (the narrow side) is overlapped with the winding of the first stage and the winding of the second stage described later. Done.

In this case, since the flat wire 6 is gripped upward by the upper chuck device 44, when the flyer 30 revolves, the winding start portion is correctly wound without being displaced from the notch 23a. .

Further, since the width of the notch 23a is exactly equal to the width of the flat wire 6, if the winding starting from the notch 23a makes exactly one turn, the second round (the second layer) The flat wire 6 of the winding of FIG.
Therefore, the wire is wound on the flat wire 6 at the beginning of the first round (first layer) without any step. This allows
The rectangular wire 6 is correctly wound in multiple layers in an aligned state.

When the winding of the first stage is completed,
The wound flat wire 6 is heated by a hot air device. As a result, the self-fusing layer coated on the outside of the flat wire 6 is melted, and
Are fixed to each other.

After the first stage winding, the carriage 10 is moved backward from the winding jig 23 by the thickness of the substantially rectangular wire 6 with the movement of the carriage 2b by the carriage drive motor 4. At this time, since the winding jig 12 is urged by the spring 13, the end surfaces of the winding jigs 12 and 23 are kept in contact. As a result, the distal end portion 12a of the winding jig 12 protrudes from the distal end side of the spindle 10 by the retreat amount of the spindle 10 (therefore, the thickness of the substantially flat wire 6). The protruding portion of the tip 12a serves as a winding core for the second stage winding. The escape groove 10 of the spindle 10
The flat wire 6 housed in the portion c is disposed above the protruding portion of the tip portion 12a.

The winding in the second stage turns the flat wire 6 stored in the wire storage unit 40 by rotating the spindle 10 by driving the spindle drive motor 15.
It is performed by winding the outer periphery of the winding jig tip 12a until a predetermined number of turns is reached. In this case, the flyer spindle 20 is also rotated synchronously with the spindle 10 so that the positional relationship between the flyer 30 and the winding jigs 12 and 23 is kept constant.

In this case, the wire rod pull-out cylinder 42 of the wire storage unit 40 is set to a free state by switching the pneumatic circuit, and the upper chuck device 44 at the tip of the rod 42a is free to descend. As a result, the flat wire 6 stored as the storage wire at the time of the first-stage winding is supplied for winding as the upper chuck device 44 descends, and the cylinder of the wire-drawing cylinder 42 is extended with the extension of the rod 42a. Resistance when air is discharged from the
The rectangular wire 6 is given an appropriate tension.

With such a winding, the flat wire 6 is wound around the leading end 12a of the winding jig from the notch 12d. Also, in the winding of the second stage, the width of the notch 12d is exactly equal to the width of the flat wire 6, so that the flat wire 6 of the second-layer winding is formed from the end of the notch 12d. The wire is wound on the flat wire 6 just at the beginning of winding of the first layer without any level difference.

After the completion of the winding in the second stage, the wound flat wire 6 is heated by a hot air device and fixed by melting the self-bonding layer.

As shown in FIGS. 13 and 14, when the winding jig 23 and the winding jig tip 12a are wound in two rows in the first stage and the second stage, The gripping of the end of the flat wire 6 by the upper chuck device 44 is released. The flyer spindle drive motor 32 and the spindle drive motor 15 drive the flyer 30
And the winding jigs 12 and 23 are integrally rotated in reverse to eliminate the twist of the flat wire 6 generated between the outermost periphery of the winding and the flyer 30 due to the revolution of the flyer 30. Thereafter, the flat wire 6 is cut on the flyer 30 side by a cutter device (not shown). Further, the winding jig 12 is moved backward by the movement of the moving table 2b by the moving table driving motor 4, and the winding jig 23 is moved.
The completed coil is discharged by releasing the connection with the coil.

FIGS. 15 and 16 show the coil 50 completed in this manner. As shown, both ends 51 and 52 of the coil 50 are arranged on the outermost layer of the coil 50.

As described above, according to the winding device of the present embodiment, the first-stage winding performed in the state where the second-stage flat wire 6 is stored in the storage unit 40 is the flyer 30. Since the revolving is performed, it is not necessary to rotate the storage unit 40 together with the winding jig 23 at the time of the first stage winding. In addition, the winding of the second stage is rotated by the rotation of the spindle 10.
It can be performed immediately following the first stage winding. Therefore, the configuration of the winding device can be simplified, and the process of winding the multilayer coil can be rationalized.

Further, since the mechanism for drawing the stored wire to the wire storage unit 40 is performed by the wire rod pull-out cylinder 42 which is an air cylinder, the second-stage winding formed by receiving the supply of the flat wire 6 from the wire storage unit 40 is performed. In, the flat wire 6 is automatically given an appropriate tension by the wire-drawing cylinder 42 in the free state. In other words, the wire pull-out cylinder 42 serves both as a storage wire pull-out mechanism and a tension applying mechanism, and the winding device can be simplified.

The notch 12d and the notch 2 whose width and thickness are substantially the same as the rectangular wire 6 are respectively formed on the winding jig tip 12a and the winding jig 23 which are the cores.
Since the second layer 3a is formed, when the second layer winding is performed on the first layer winding started from the notch 12d and the notch 23a, the second layer winding is performed from the notches 12d and 23a. It is possible to prevent a step from occurring at a portion reaching the wire start position, and it is possible to rationally execute the multilayer winding of the flat wire 6.

In the present embodiment, the wire drawing cylinder 42 is in the free state at the time of the winding at the second stage. However, the present invention is not limited to such a form. The wire drawing cylinder 42 does not necessarily have to be in a free state as long as it gives appropriate resistance to expansion and contraction. In addition, for example, by providing a throttle valve in a passage for air entering and exiting the wire rod drawing cylinder 42, an appropriate flow rate of air is discharged from the cylinder when the wire rod drawing cylinder 42 expands and contracts by changing the valve opening of the throttle valve. In this way, the tension applied to the flat wire 6 may be adjusted.

In this embodiment, an air cylinder is used as the wire pull-out cylinder 42. However, the present invention is not limited to such an embodiment, and a hydraulic cylinder, for example, may be used as the wire pull-out cylinder 42. It is possible.

Further, the mechanism for drawing in the wire from the wire storage unit 40 and pulling out the wire while applying the tension is not limited to the cylinder, and any structure may be used as long as it fulfills such a function.

For example, a configuration may be adopted in which the storage wire is pulled in and out by a motor. In this case, an appropriate tension can be applied to the wire rod by providing a motor control unit and controlling the rotation of the motor when the storage wire is pulled out. In this way, by pulling the wire by the motor controlled by the motor control means and applying tension to the drawn wire, it is possible to control the amount of drawn wire and to apply the tension to the wire during winding. Can be performed with high accuracy.

Further, in this embodiment, the flat wire 6 is used as the wire, but the present invention is not limited to such a shape, and is applicable to a wire having a circular cross section.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a perspective view of the same.

FIG. 3 is a sectional view of the same.

FIG. 4 is a sectional view of the same.

FIG. 5 is a perspective view showing a winding procedure.

FIG. 6 is a sectional view showing a winding procedure in the same manner.

FIG. 7 is a perspective view showing a winding procedure.

FIG. 8 is a cross-sectional view showing a winding procedure.

FIG. 9 is a perspective view showing a winding procedure.

FIG. 10 is a cross-sectional view showing a winding procedure.

FIG. 11 is a perspective view showing a winding procedure.

FIG. 12 is a cross-sectional view showing a winding procedure.

FIG. 13 is a perspective view showing a winding procedure.

FIG. 14 is a cross-sectional view showing a winding procedure.

FIG. 15 is a perspective view showing a completed coil.

FIG. 16 is a sectional view of the same.

FIG. 17 is an explanatory diagram showing a main part of a conventional winding device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Base 2 Spindle support 2a Fixed base 3b Moving table 3 Spindle support 3a Sleeve part 4 Moving table drive motor 5 Ball screw 6 Flat wire 10 Spindle 11 Sleeve 12 Winding jig 12a Winding jig tip 12c Fitting recess 12d Cut Notch 13 Spring 14 Gear 15 Spindle drive motor 16 Gear 17 Belt 20 Flyer spindle 20a Through hole 21 Rotation shaft 22 Winding jig support 23 Winding jig 23a Notch 24 Fitting convex member 25 Sleeve drive motor 26 Ball screw 30 Flyer 31 Gear 32 Flyer spindle drive motor 33 Gear 34 Belt 35 Wire source 36 Tension device 37 Pulley 38 Pulley 39 Lower chuck device 40 Storage unit 41 Cylinder support base 42 Wire pull-out cylinder 43 Stopper cylinder 44 Upper chuck device 45 Front / rear drive cylinder 46 Connecting member 50 Coil 51 End 52 End

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[Procedure amendment]

[Submission date] April 12, 1999

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0013

[Correction method] Change

[Correction contents]

[0013]

According to a first aspect of the present invention, there is provided a winding device for winding a coil so that both a winding start end and a winding end end are led out of an outermost layer of the coil, and is disposed around a winding core. And fly from the tip of this flyer
Wire storage means for pulling out the output wire material and storing it as a wire storage,
The flyer revolves around the winding core to
Before the wire storage means of the wire fed from the tip of the wire
First winding means for winding a portion around the winding core
And rotating the winding core about an axis to supply
A second winding for winding the supplied wire around the winding core
Means .

[Procedure amendment 3]

[Document name to be amended] Statement

[Correction target item name] 0020

[Correction method] Change

[Correction contents]

In an eighth aspect, the core is the first core.
A first winding core wound around the outer periphery by winding means;
On the same axis as the first core of the
And wound around the outer periphery by the second winding means.
And a second winding core on which the wire is made.
The second core is configured to be accommodated in the spindle,
When wound around the core, it is completely contained in the spindle.
And the thickness of the wire at the time of winding on the second core.
Projecting from the spindle, and no winding
Is done.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0021

[Correction method] Change

[Correction contents]

[0021]

According to the first aspect of the present invention, the winding is the
By first winding means (by the revolution of the flyer) winding and the
Since the winding is performed in two stages (by the rotation of the winding core) by the two winding means , both ends of the wound coil become the winding end ends of the respective windings, and both of them are automatically formed by the coil. The shape is derived from the outermost layer. In this case, the winding by the flyer, which is performed in a state where the wire material corresponding to the winding by the rotation of the winding core is stored in the storage means, is performed by the revolution of the flyer. There is no need to rotate. Further, the winding by the rotation of the winding core can be executed immediately after the winding by the revolution of the flyer. Therefore, the configuration of the winding device can be simplified, and the process of winding the multilayer coil can be rationalized.

[Procedure amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0028

[Correction method] Change

[Correction contents]

[0028] In the eighth invention, when winding on the first winding core,
Since the second core is housed in the spindle,
While only the first core is exposed as the core,
When winding on the second core, the spindle of the second core is
The projecting portion becomes a winding core.

Claims (8)

[Claims] 1. A winding device for winding a coil so that a winding start end and a winding end are both derived from an outermost layer of the coil, a flyer disposed around a winding core, and the flyer being wound around the winding core. A flyer rotating means for revolving around a core, a winding core rotating means for rotating the winding core around an axis, and a wire storing means for drawing in a wire fed from a tip of the flyer and storing it as a storage wire, the flyer A portion of the wire rod fed from the leading end before the wire storing means is wound around the core by the revolution of the flyer, and the wire supplied from the wire storing means is wound around the core by rotation of the core. A winding device, wherein the coil is formed by being wound around. 2. The winding device according to claim 1, wherein the wire storage means applies tension to a wire supplied at the time of winding. 3. The wire accumulating means includes a cylinder, and a chuck means movable with respect to the winding core by expansion and contraction of a rod of the cylinder, and the chuck means grips a wire fed from the tip of the flyer. At the same time, the wire rod gripped by the chuck means is drawn by the operation of the cylinder, and a tension is applied to a wire rod supplied by resistance generated due to expansion and contraction of the rod caused by drawing out the wire rod to be wound at the time of winding. The winding device according to claim 2, wherein 4. The air cylinder according to claim 3, wherein said cylinder is an air cylinder, and a resistance generated against expansion and contraction of said rod is generated by a flow of air flowing in and out of said air cylinder when said air cylinder expands and contracts. A winding device as described. 5. A throttle valve is provided in a passage of air flowing in and out of the air cylinder when the air cylinder expands and contracts, and a resistance generated by expansion and contraction of the rod is changed by changing an opening degree of the throttle valve. The winding device according to claim 3, wherein: 6. The wire storing means includes a motor for drawing a wire into the wire storing means by driving, and a motor control means for controlling the rotation of the motor. The winding device according to claim 2, wherein the tension is applied by controlling the motor by a motor control unit. 7. The winding core is arranged coaxially with a first winding core wound around the outer periphery by the flyer, so that the first winding core and the tip of the first winding core come into contact with each other. A second winding core wound around the outer periphery by rotation of the winding core, and a surface cut out at a leading end of the first winding core and a leading end of the second winding core is formed by a winding; Direction notches are formed, and the width of these notches in the outer peripheral direction of the core is matched with the width of the wire wound around each of the cores in the outer peripheral direction of the core. The winding according to any one of claims 1 to 6, wherein when winding the second winding core, the first-layer winding is started from the vicinity of the notch. Winding device. 8. A winding device for winding a wire around an outer periphery of a winding core, wherein a cutout surface of the winding core forms a notch directed in a winding direction, and these notches are formed in a direction of a winding core outer periphery. And the width of the wire wound around the winding core in the outer circumferential direction of the winding core, and when winding the winding core, the first-layer winding from the vicinity of the notch, respectively. A winding device characterized by being started.