JPH1092680A - Edge-wise winding method of flat wire and winding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an edge-wise winding method of a flat wire and a winding device which enable edge-wise winding of a flat wire directly on a bobbin with a high voltage insulation board. SOLUTION: In the winding method, a flat wire 2 is supplied to a winding shaft 1 so that a supply direction of the wire 2 is almost in the axial direction of the winding shaft 1 and the wire 2 is wound thereon. A winding device has a winding tool 4 with a shaft 1 which has a supporting surface 5 and projects to the supporting surface 5 and a fall preventing tool 6 which has a contact surface 7 preventing falling of a winding-up side of the wire 2 wound on the winding shaft 1 whose winding start is at the side of the supporting surface 5 and has a wire supply part 8 guiding the wire 2 almost in an axial direction of the winding shaft 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an edgewise winding method and a winding apparatus for, for example, a foil-shaped flat wire.

[0002]

2. Description of the Related Art FIG. 16 shows a conventional example (for example, Japanese Patent Publication No. 62-318).
No. 09, JP-A-4-75303)
00, a stopper 103 is rotatably fitted to a take-up shaft 101 protruding from a support surface 102 of the first wire 00, and a flat wire 105 is edgewise wound between a contact surface 104 and the support surface 102 to form an edgewise wire. Forming a coil.

[0003]

However, in this conventional example, since the flat wire 105 is drawn into the winding shaft 101 almost from the tangential direction in the winding surface, FIG.
As shown in FIG. 7, it is difficult to directly wind the flat wire 105 on the bobbin 107 having the insulating plate 106 in order to cope with a high voltage.
Processing and assembly man-hours have increased, leading to higher costs.

Accordingly, an object of the present invention is to provide a rectangular wire edgewise winding method and a winding device which enable a rectangular wire to be edgewise wound directly on a bobbin provided with a high voltage insulating plate. is there.

[0005]

According to a first aspect of the present invention, there is provided an edgewise winding method of a flat wire, wherein the flat wire is wound on the winding shaft such that a feeding direction of the flat wire is substantially along an axial direction of the winding shaft. The flat wire is supplied and wound. According to the edgewise winding method of a flat wire according to claim 1, since the flat wire is supplied substantially along the winding axis from a direction away from the wound edgewise coil, a portion immediately before the flat wire is wound. Can be reliably wound without riding on the outer peripheral portion of the already wound edgewise coil, and the edgewise winding can be directly performed using a bobbin provided with a high voltage compatible insulator as a winding shaft. Further, by directly winding the coil on the bobbin, there is no need to wind the edgewise coil around the winding shaft, remove the edgewise coil, and incorporate the coil into the bobbin. In addition, the edgewise coil during the operation of removing the edgewise coil from the winding shaft is not disturbed, so that an edgewise coil having stable quality can be formed. Therefore, it is possible to directly wind a flat wire around the bobbin integrated with the insulating plate protruding in the axial direction on the outer periphery, thereby reducing the number of parts and the number of assembling steps, and reducing costs. It has become.

According to a second aspect of the present invention, there is provided a flat wire edgewise winding method according to the first aspect, wherein the farther away from the winding portion of the winding shaft, the farthest from the axis of the winding shaft. Is to supply. According to the flat wire edgewise winding method according to the second aspect, in addition to the effect of the first aspect, in the case where a fall stopper for preventing the flat wire from falling on the winding side is fitted to the winding shaft. In addition, it is possible to prevent the rectangular wire from getting into and getting caught between the fall stopper and the winding shaft, and a more stable winding can be achieved.

According to a third aspect of the present invention, there is provided a flat wire edgewise winding device, comprising: a winding tool having a support surface and a winding shaft protruding from the support surface; A fall stopper having a contact surface for preventing the flat wire wound on the take-up shaft from falling down on the winding side and having a flat wire supply portion for guiding the flat wire substantially along the axial direction of the winding shaft. It is provided with.

According to the flat wire edgewise winding device of the third aspect, the contact surface of the falling stopper abuts on the winding side of the flat wire wound on the winding shaft to prevent the flat wire from falling. Therefore, the edgewise coil can be reliably formed without the flat wire falling down when the edgewise coil is formed. According to a fourth aspect of the present invention, in the flat wire edgewise winding device according to the third aspect, the flat wire supply unit is a groove substantially parallel to the winding shaft.

According to the flat wire edgewise winding device of the fourth aspect, in addition to the effect of the third aspect, the feeding direction of the flat wire is substantially parallel to the axis of the winding shaft. A more stable edgewise winding can be achieved, and even if the dimensional specification of the rectangular wire is changed as compared with the conventional one, it is possible to wind using the same coil winding device, and application development to automation equipment becomes possible.

According to a fifth aspect of the present invention, in the flat wire edgewise winding device according to the third aspect, the flat wire supply portion is formed in a groove shape substantially along a plane passing through the axis of the winding shaft. Things. According to the flat wire edgewise winding device according to the fifth aspect, in addition to the effect of the third aspect, the flat wire can be supplied without difficulty in winding, and the production and processing of the fall stopper can be performed. Because it is easy, it also reduces costs.

According to a sixth aspect of the present invention, in the flat wire edgewise winding device according to the fifth aspect, of the two side surfaces of the flat wire supply portion, the vicinity of an outlet on a side surface of the flat wire contacting the flat wire is connected to the axial center. It is inclined so as to open outward in the radial direction of the axis center than a plane passing through and intersecting the side surface. According to the flat wire edgewise winding device according to the sixth aspect, in addition to the effect of the fifth aspect, it is possible to prevent the flat wire from entering and being wound between the fall stopper and the winding shaft, and to prevent the flat wire from being wound. The bending of the flat wire at the outlet of the supply unit becomes smooth and the effect on the flat wire can be reduced,
High quality coils can be wound.

According to a seventh aspect of the present invention, in the flat wire edgewise winding device according to the third aspect, the flat wire supply portion is substantially parallel to a plane passing through the axis of the winding shaft and slightly shifted in a direction opposite to the winding direction. It was formed. According to a seventh aspect of the present invention, in addition to the effect of the third aspect, it is possible to prevent the rectangular wire from entering and being caught between the stopper and the winding shaft, and to process the stopper. Can also be made easier and cost can be reduced.

According to an eighth aspect of the present invention, in the flat wire edgewise winding device according to the third aspect, the flat wire supply portion is formed substantially parallel to a plane passing through the axis of the winding shaft and slightly shifted in the winding direction. It is a thing. According to the edgewise winding device of claim 8, in addition to the effects of claim 3, the deformation of the flat wire immediately before the flat wire is wound is moderate, and the influence on the flat wire at the time of winding can be reduced. It is possible to wind a high quality edgewise coil.

According to a ninth aspect of the present invention, in the flat wire edgewise winding device, the flat wire is gradually bent at the edge of the flat wire supply section at the exit in the winding direction of the flat wire. Means. According to the ninth aspect of the present invention, in addition to the effect of the third aspect, the flat wire can be bent gently and the flat wire can be smoothly supplied to the winding shaft.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is an explanatory view of a rectangular wire edgewise winding method. This flat wire edgewise winding method supplies the flat wire 2 to the winding shaft 1 and winds the flat wire 2 so that the supply direction of the flat wire 2 is substantially along the axial direction of the winding shaft 1. is there. In the embodiment, the winding shaft 1 is rotated (in the direction of the arrow) to wind the flat wire 2 around the winding shaft 1 to form the edgewise coil 3. Further, the flat wire 2 is supplied from a position away from a winding portion forming the edgewise coil 3. The rectangular wire 2 is a foil-like rectangular wire. Reference numeral 4 denotes a winding tool that projects the winding shaft 1 from a support surface 5 that supports the edgewise coil 3.

According to this method, the edgewise coil 3 can be directly wound on the bobbin provided with the insulator shown in FIG. That is, according to the flat wire edgewise winding method of the present embodiment, the flat wire 2 is supplied substantially along the winding shaft 1 from a direction away from the wound edgewise coil. 2 can be securely wound without riding on the outer periphery of the already wound edgewise coil, and a bobbin provided with a high-voltage compatible insulator is directly used as a winding shaft 1 as an edgewise winding. Can be performed. Further, by directly winding the coil on the bobbin, it is not necessary to wind the edgewise coil 3 around the winding shaft 1 and then remove the edgewise coil 3 and incorporate the coil into the bobbin. Further, the edgewise coil 3 during the operation of removing the coil from the winding shaft 1 does not vary, and the edgewise coil 3 with stable quality can be formed. Therefore, it is possible to directly wind a flat wire around the bobbin integrated with the insulating plate protruding in the axial direction on the outer periphery, thereby reducing the number of parts and the number of assembling steps, and reducing costs. It has become.

FIG. 2A is an explanatory view of a rectangular wire edgewise winding device. That is, the flat wire edgewise winding device includes the winding device 4 and the fall prevention device 6. The winding tool 4 has a support surface 5 and the winding shaft 1 protruding from the support surface 5. The fall prevention device 6 has a contact surface 7 for preventing the flat wire 2 wound around the winding shaft 1 from falling on the support surface 5 side of the winding device 4 and preventing the flat wire 2 from falling on the winding side. 2 has a flat wire supply unit 8 for guiding the winding shaft 2 substantially along the axial direction of the winding shaft 1. The stopper 6 according to the embodiment is rotatably fitted to the winding shaft 1. The flat wire supply section 8 is a groove substantially parallel to the axial direction of the winding shaft 1. Then, the side in the winding direction of the outlet 9 of the flat wire supply unit 8 is positioned so as to be recessed by the thickness of the flat wire 2, and is gradually connected to the contact surface 7 along the rotation direction of the winding shaft 1. The guide surface 7a of the rectangular wire 2 which is inclined at a right angle is formed.

In FIG. 2B, the flat wire supply section 8 is formed as a groove which is substantially parallel to the axis of the winding shaft 1 but is slightly inclined with respect to the axial direction. Thus, the flat wire 2 can be supplied from a direction substantially along the axis 1a of the winding shaft 1 while preventing the flat wire 2 from falling down. According to the rectangular wire edgewise winding device of this embodiment, the contact surface 7 of the stopper 6 comes into contact with the winding side of the rectangular wire 2 wound on the winding shaft 1 so that the flat wire 2 Since the falling is prevented, the edgewise coil 3 can be reliably formed without the flat wire 2 falling when the edgewise coil 3 is formed.

Further, since the feeding direction of the flat wire 2 is substantially parallel to the axis of the winding shaft 1, a more stable edgewise winding can be achieved. It is possible to wind using the same coil winding device even if it changes, and it can be applied to automated equipment. FIG. 3 shows a second embodiment of the present invention. That is, in the first embodiment, the direction in which the flat wire 2 is supplied is such that the direction away from the edgewise coil 3 is away from the axis of the winding shaft 1. The flat wire 2 is supplied to the winding shaft 1 through the flat wire supply unit 8, and is wound around the winding shaft 1 by rotating the winding device 4.

According to this embodiment, when the fall stopper 6 for preventing the flat wire 2 from falling on the winding side is fitted to the winding shaft 1, the fall stopper 6 and the winding shaft 1 are fitted. To prevent the flat wire 2 from getting caught in
More stable winding becomes possible. Other configurations are the first
This embodiment is the same as the above-described embodiment, and has a common function and effect.

In FIG. 3, the flat wire 2 is supplied from the flat wire supply unit 8 of the fall stopper 6, but, for example, the bottom surface of the flat wire supply unit 8 is supplied to the flat wire 2 in FIG. It may be inclined along the inclination of the direction. FIG. 4 shows a third embodiment of the present invention. That is, in the first embodiment, the flat wire supply unit 8 is formed in a groove shape substantially along the plane A passing through the axis 1 a of the winding shaft 1. The rectangular wire 2 is guided to the contact surface 7 through the groove-shaped rectangular wire supply unit 8, and the winding shaft 1 rotates, so that the edgewise coil can be wound. Reference numeral 9 denotes an outlet of the flat wire supply unit 8.

According to this embodiment, it is possible to supply the rectangular wire 2 at the time of winding without difficulty, and it is easy to manufacture and process the fall prevention device 6, so that the cost can be reduced. Other configurations are the same as those of the first embodiment, and the functions and effects are also the same. FIG. 5 shows a fourth embodiment of the present invention. That is, in the third embodiment, of the two side surfaces 10a and 10b of the rectangular wire supply unit 8, the vicinity of the outlet 9 of the side surface 10a with which the rectangular wire 2 abuts opens outward in the radial direction of the axis 1a. I have to. That is, the winding shaft 1
The angle β between the side surface 10a and the vertical surface D is larger than the angle α between the plane C passing through the axis 1a and the vertical surface D passing through the width center of the rectangular wire supply unit 8 passing through the axis 1a. I have.

According to this embodiment, it is possible to prevent the rectangular wire 2 from entering between the fall prevention device 6 and the take-up shaft 1 and to be caught therein, and to prevent the rectangular wire 2 from exiting from the rectangular wire supply unit 8. Can be smoothed, the influence on the flat wire 2 can be reduced, and the high-quality edgewise coil 3 can be wound. Other configurations are the same as those of the third embodiment, and the functions and effects are also the same.

FIG. 6 shows a fifth embodiment of the present invention. That is, in the third embodiment, the flat wire supply section 8 is formed substantially parallel to the plane E passing through the axis 1a of the winding shaft 1 and slightly shifted to the side opposite to the winding direction (arrow) of the flat wire 2. ing. The flat wire 2 is supplied to the winding shaft 1 through a flat wire supply unit 8, and the edgewise coil 3 can be wound by rotating the winding shaft 1.

According to this embodiment, it is possible to prevent the rectangular wire 2 from entering and being caught between the fall stopper 6 and the winding shaft 1, and to facilitate the processing of the fall stopper 6 to reduce the cost. Become. Other configurations are the same as those of the third embodiment, and the functions and effects are also the same. FIG. 7 shows a sixth embodiment of the present invention. In other words, in the third embodiment, the flat wire supply unit 8 is formed so as to be slightly displaced in the winding direction (arrow) substantially parallel to the plane E passing through the axis 1a of the winding shaft 1, and the winding shaft 1 rotates. By doing so, the edgewise coil 3 can be wound.

According to this embodiment, the rectangular wire 2 is deformed gently immediately before the rectangular wire 2 is wound, and the rectangular wire 2 is wound at the time of winding.
Quality edge-wise coil 3
Can be wound. Other configurations are the same as those of the third embodiment, and the functions and effects are also the same. FIG. 8 shows a seventh embodiment of the present invention. That is, in the first embodiment, the rectangular wire 2 at the outlet 9 of the rectangular wire supply unit 8 is used.
Is provided with bending means 11 for gently changing the direction of the flat wire 2 at the corner in the winding direction. In the embodiment, the bending means 1
1 is formed by a curved surface having a predetermined radius of curvature. From this portion, the flat wire 2 is supplied to the winding shaft 1 and the winding shaft 1
Is rotated, the flat wire 2 is gently changed from the axial direction along the flat wire supply unit 8 to the circumferential direction along the circumferential surface of the winding shaft 1 through the bending means 11 and smoothly wound. It is wound on the take-up shaft 1.

According to this embodiment, the flat wire 2 can be bent gently, and the flat wire 2 can be smoothly supplied to the winding shaft 1. Other configurations are the same as those of the first embodiment, and the functions and effects are also the same. FIG. 9 shows an eighth embodiment of the present invention. That is, in the eighth embodiment, curved means 11 having curved surfaces are formed on both side edges of the outlet 9.

According to this embodiment, it is possible to easily form a reverse edgewise coil simply by changing the rotation direction of the winding shaft 1. FIG. 10 shows a ninth embodiment of the present invention. That is, in the seventh embodiment, the bending means 11 includes a curved surface 12a having a large radius of curvature and a curved surface 12b having a small radius of curvature, and smoothly continues from the curved surface 12a to the curved surface 12b.

According to this embodiment, the supply of the flat wire 2 immediately before winding is smoother. The other configuration is the same as that of the seventh embodiment, and the operation and effect are also the same.
FIG. 11 shows a tenth embodiment of the present invention. That is, in the seventh embodiment, the bending means 11 smoothly continues from the curved surface 12b having a small radius of curvature to the curved surface 12a having a large radius of curvature from the inside of the rectangular wire supply unit 8 to the exit.

According to this embodiment, the winding of the flat wire 2 onto the winding shaft 1 becomes smoother, and the other structure is the same as that of the seventh embodiment, and the operation and effect are the same. It is. Note that the bending means 11 may be provided on both side corners of the outlet 9 similarly to the eighth embodiment.

FIG. 12 shows an eleventh embodiment of the present invention. That is, in the seventh embodiment, the bending means 11 of the outlet 9 is composed of a roller 13a and a shaft 13b supporting the roller 13a, the roller 13a is mounted on the shaft 13b, and the shaft 13b is attached to the fall stopper 6. ing. According to this embodiment, the edgewise coil can be wound while the bending when changing the direction of the flat wire 2 along the surface of the flat wire 2 is performed more gently and smoothly. The coil can be supplied smoothly, and the influence of the friction on the flat wire 2 can be reduced, so that a high-quality coil can be wound.

FIG. 13 shows a twelfth embodiment of the present invention. That is, in the eleventh embodiment, the bending means 11 using the roller 13a is provided on both side edges of the outlet 9. According to this embodiment, the reverse edgewise coil 3 can be easily wound by rotating the winder 4 in the reverse direction.

FIG. 14 shows a thirteenth embodiment of the present invention. This is a combination of the third embodiment (FIG. 4) and the seventh embodiment (FIG. 8). That is, the flat wire supply unit 8 is formed in a groove shape substantially along the plane A passing through the axis 1a of the winding shaft 1, and is formed at the edge of the outlet 9 of the flat wire supply unit 8 in the winding direction of the flat wire 2 in the winding direction. A bending means 11 for gently changing the direction of the flat wire 2 is provided.

According to this embodiment, the rectangular wire is wound between the two winding shafts 1 and the stopper 4 by combining the shapes of the rectangular wire supply portions 8 provided on the stopper 6. And can be supplied more smoothly. Others are the same as the third embodiment and the seventh embodiment. FIG. 15 shows a fourteenth embodiment of the present invention. This is the same as the fourth embodiment (FIG. 5) and the eighth embodiment.
This embodiment is combined with the embodiment (FIG. 8). That is, among the side surfaces 10a and 10b of the rectangular wire supply unit 8, the vicinity of the outlet 9 of the side surface 10a with which the rectangular wire 2 abuts is the axis 1a.
Side surface 10 through the axis 1a so as to open radially outward.
It is more inclined than the plane C intersecting with a.

The other points are the same as those of the fourth and eighth embodiments. The edgewise coil 3
May be rotated on the fall stopper 6 side.

[0036]

According to the flat wire edgewise winding method according to the first aspect of the present invention, the flat wire is supplied substantially along the winding shaft from a direction away from the wound edgewise coil. The wire can be wound securely without climbing over the outer periphery of the edgewise coil where the part just before winding of the wire is already wound, and the edgewise winding is made directly by using a bobbin with a high-voltage compatible insulator as the winding shaft. Can do it. Further, by directly winding the coil on the bobbin, there is no need to wind the edgewise coil around the winding shaft, remove the edgewise coil, and incorporate the coil into the bobbin. Furthermore, the removal of the edgewise coil during the work of removing the edgewise coil from the winding shaft has been eliminated,
An edgewise coil of stable quality can be formed. Therefore, it is possible to directly wind a flat wire around the bobbin integrated with the insulating plate protruding in the axial direction on the outer periphery, thereby reducing the number of parts and the number of assembling steps, and reducing costs. It has become.

According to the flat wire edgewise winding method of the second aspect, in addition to the effect of the first aspect, a fall stopper for preventing the flat wire from falling on the winding side is fitted to the winding shaft. When they are combined, it is possible to prevent the rectangular wire from entering and being caught between the fall stopper and the winding shaft, and a more stable winding is possible. According to the flat wire edgewise winding device according to the third aspect, the contact surface of the fall stopper contacts the winding side of the flat wire wound on the winding shaft to prevent the flat wire from falling. Thus, the edgewise coil can be reliably formed without the flat wire falling down when the edgewise coil is formed.

According to the flat wire edgewise winding device of the fourth aspect, in addition to the effect of the third aspect, the feeding direction of the flat wire is substantially parallel to the axis of the winding shaft. A more stable edgewise winding can be achieved, and even if the dimensional specification of the rectangular wire is changed as compared with the conventional one, it is possible to wind using the same coil winding device, and application development to automation equipment becomes possible.

According to the flat wire edgewise winding device of the fifth aspect, in addition to the effect of the third aspect, the flat wire can be supplied without difficulty at the time of winding, and the fall stopper is manufactured.・ Since processing is easy, the cost can be reduced. According to the flat wire edgewise winding device according to claim 6,
In addition to the effect of the fifth aspect, it is possible to prevent the rectangular wire from entering and being caught between the fall stopper and the winding shaft, and the flat wire at the outlet of the flat wire supply unit to bend smoothly and to be flat. The influence on the coil can be reduced, and a high-quality coil can be wound.

According to the seventh aspect of the present invention, in addition to the effect of the third aspect, the flat wire can be prevented from entering and being caught between the falling stopper and the winding shaft. The tool can be easily processed and cost can be reduced.
According to the edgewise winding device of claim 8, in addition to the effects of claim 3, the deformation of the flat wire immediately before the flat wire is wound is moderate, and the influence on the flat wire at the time of winding can be reduced. It is possible to wind a high quality edgewise coil.

According to the ninth aspect of the present invention, in addition to the effect of the third aspect, the flat wire can be bent gently and the flat wire can be smoothly supplied to the winding shaft.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram illustrating a flat wire edgewise winding method according to a first embodiment of the present invention.

FIGS. 2A and 2B are explanatory diagrams illustrating a rectangular wire edgewise winding device, wherein FIG. 2A illustrates a case where a rectangular wire supply unit extends in an axial direction, and FIG. This is the case.

3A and 3B are explanatory views of a flat wire edgewise winding method according to a second embodiment, wherein FIG. 3A is a partial plan view and FIG. 3B is a side view thereof.

FIG. 4 is a partial perspective view of a third embodiment.

FIG. 5 is an end view of the stopper according to a fourth embodiment as viewed from the direction of arrow B in FIG. 4;

FIG. 6 is an end view of a fall stopper according to a fifth embodiment viewed from the same direction as FIG. 5;

FIG. 7 is an end view of a fall stopper viewed from the same direction as FIG. 5 in a sixth embodiment.

FIG. 8 is an explanatory diagram of a flat wire edgewise winding device according to a seventh embodiment.

FIG. 9 is an explanatory diagram of a rectangular wire edgewise winding device according to an eighth embodiment.

FIG. 10 is an explanatory view of a rectangular wire edgewise winding device according to a ninth embodiment.

FIG. 11 is an explanatory diagram of a flat wire edgewise winding device according to a tenth embodiment.

FIG. 12 is an explanatory diagram of a flat wire edgewise winding device according to an eleventh embodiment.

FIG. 13 is an explanatory diagram of a flat wire edgewise winding device according to a twelfth embodiment.

FIG. 14 is a perspective view of a fall stopper according to a thirteenth embodiment.

FIG. 15 is a perspective view of a fall stopper according to a fourteenth embodiment.

FIG. 16 is an explanatory view of a conventional rectangular wire edgewise winding device.

FIG. 17 is a side view of a bobbin for high voltage.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Winding shaft 1a Shaft center 2 Flat wire 3 Edgewise coil 4 Winding tool 5 Support surface 6 Fall prevention device 7 Contact surface 8 Flat wire supply part 9 Outlet 10a, 10b Side surface 11 Bending means

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[Procedure amendment]

[Submission date] August 27, 1997

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0017

[Correction method] Change

[Correction contents]

FIG. 2A is an explanatory view of a rectangular wire edgewise winding device. That is, the flat wire edgewise winding device includes the winding device 4 and the fall prevention device 6. The winding tool 4 has a support surface 5 and the winding shaft 1 protruding from the support surface 5. Fall stopper 6 has an abutment surface 7 to prevent the collapse of the winding shaft 1 wound he was flat wire 2 of the winding up side, starting up the support surface 5 side of the winding device 4, the rectangular wire 2 Has a flat wire supply section 8 for guiding the wire along the axial direction of the winding shaft 1. The stopper 6 according to the embodiment is rotatably fitted to the winding shaft 1. The flat wire supply section 8 is a groove substantially parallel to the axial direction of the winding shaft 1.
Then, the side in the winding direction of the outlet 9 of the flat wire supply unit 8 is positioned so as to be recessed by the thickness of the flat wire 2, and is gradually connected to the contact surface 7 along the rotation direction of the winding shaft 1. The guide surface 7a of the rectangular wire 2 which is inclined at a right angle is formed. In addition, the flat wire 2
The edgewise coil 3 is formed by being spirally wound.
Therefore, if the flat wire 2 is extremely thin,
The coil itself tilts due to the
Due to the inclination, the contact surface 7 of the stopper 6 is inclined.
It is formed on a plane perpendicular to the winding shaft 1 without providing the guide surface 7a.
May be.

Claims (9)

[Claims] 1. A flat wire edgewise winding method for feeding a flat wire to the winding shaft and winding the flat wire so that the feeding direction of the flat wire is substantially along the axial direction of the winding shaft. 2. The flat wire edgewise winding method according to claim 1, wherein the flat wire is supplied from a position further away from an axis of the winding shaft as the winding shaft is separated from a winding portion. 3. A winding device having a support surface and a winding shaft protruding from the support surface, and a winding device on a winding side of a flat wire wound on the winding shaft starting from the support surface side. A flat wire edgewise winding device comprising: a flat wire supply unit having a contact surface for preventing the flat wire and a flat wire supply unit for guiding the flat wire substantially along the axial direction of the winding shaft. 4. The flat wire edgewise winding device according to claim 3, wherein the flat wire supply section is a groove substantially parallel to the winding shaft. 5. The flat wire supply section is formed in a groove shape substantially along a plane passing through the axis of the winding shaft.
An edgewise winding device for the flat wire described. 6. A side surface of the rectangular wire supply section, in which a portion of the side surface where the rectangular wire abuts, near the outlet, is closer to a radial direction of the axis than to a plane passing through the axis and intersecting the side surface. The flat wire edgewise winding device according to claim 5, which is inclined so as to open outward. 7. The flat wire edgewise winding device according to claim 3, wherein the flat wire supply section is formed substantially parallel to a plane passing through the axis of the winding shaft and slightly shifted to a side opposite to a winding direction. . 8. The flat wire edgewise winding device according to claim 3, wherein the flat wire supply section is formed substantially parallel to a plane passing through the axis of the winding shaft and slightly shifted in a winding direction. 9. The flat wire edgewise winding device according to claim 3, further comprising a bending means for gently changing the direction of the flat wire at a corner of the flat wire supply unit at an exit in the winding direction of the flat wire.