JP2892225B2 - Spiral coil manufacturing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for manufacturing a spiral coil using a wire such as a rectangular wire.

[0002]

2. Description of the Related Art In general, one of various component circuits constituting an electronic circuit or an electric circuit is a component circuit such as a noise filter or a resonance filter using an inductance. A coil is used. This coil has a vine winding shape (horizontal parallel winding shape),
Alternatively, there is a coil having a spiral shape or the like, and a round material, a rectangular shape, or the like is used as a wire forming the coil. Conventionally, various methods have been devised for producing a coil from these wires. In particular, in the width direction of the rectangular shape, the dimension in the width direction of the rectangular wire rod is n times larger than the thickness direction, with the thin dimensional surface facing the inner and outer radial directions of the coil.
Since a winding cannot be formed in a vertically wound spiral shape, a method in which a plate-shaped member is spirally punched by a press or the like to form a spiral-shaped coil, for example, is used instead.

[0003]

However, in the above-described method, the cut surface of the spiral coil cut out by the press requires an insulating process because the metal surface is exposed, and the inside of the coil is also required. Since it is necessary to join a lead wire to the end, there is a problem that the number of steps and the cost are high for manufacturing.

SUMMARY OF THE INVENTION An object of the present invention is to provide a spiral coil manufacturing apparatus capable of easily manufacturing a spiral coil at low cost in consideration of the conventional problems as described above.

[0005]

According to a first aspect of the present invention, there is provided a wire rod which is movably opposed to sandwich a wire rod of a coil to be formed, and which is fixed to one of the opposed surfaces on one end of the wire rod. A pair of sandwiching members provided with a fixing portion, and at least one opposing surface of the sandwiching member, such that a peripheral edge forms part or all of the innermost shape of the coil to be created.
A winding guide member protrudingly formed at a predetermined height corresponding to the thickness of the wire rod; and a moving unit for moving the sandwiching member , wherein the winding guide member has a spiral shape.
It is a spiral coil manufacturing apparatus characterized by the above.

According to a fourth aspect of the present invention, at least one of the first and second sandwiching members is provided so as to be movable in the axial direction, and the first and second sandwiching members are arranged to sandwich a wire of a coil to be manufactured. A winding member provided between the second holding member and having a wire fixing portion for fixing a part of the wire, and a surface of the winding member facing the first holding member or a surface of the first holding member, A first winding guide member formed to project to a predetermined height corresponding to the thickness of the wire so that the peripheral edge forms part or all of the innermost shape of the coil to be manufactured; (2) Projecting to a predetermined height corresponding to the thickness of the wire on the surface facing the sandwiching member or the surface of the second sandwiching member so that the peripheral edge forms part or all of the innermost shape of the coil to be manufactured. The formed second winding guide member and the first sandwiching member or the winding member are rotated by a predetermined rotation. In a spiral coil manufacturing apparatus and a driving means for rotating.

[0007]

According to the present invention, one end of a wire of a coil to be produced is fixed to a wire fixing portion for fixing one end provided on one of the opposing surfaces of the sandwiching member, and a moving means moves the sandwiching member to move the wire. The wire is wound along the peripheral edge of the winding guide member to form the innermost shape of the coil to be formed, and then the wire is wound around the coil to form a spiral coil.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing embodiments thereof.

FIG. 1 is a partial side view of a spiral coil manufacturing apparatus according to one embodiment of the present invention. FIG. 2 (a) is a front view of a pinching member on the wire end fixed side of the embodiment, FIG. 2B is a side view of the pinching member, FIG. 2C is a bottom view of the pinching member, and FIG. 3A is a front view of the pinching member on the winding guide member side of the embodiment. 3B is a side view of the sandwiching member, and FIG. 3C is a bottom view of the sandwiching member. In other words, the main part of the spiral coil manufacturing apparatus that winds the wire is provided with a sandwiching member 1 having one end fixed portion of a wire for a coil, and another sandwiching member 2 opposed to the sandwiching member 1. Is movably provided.

The above-mentioned holding member 1 is fixed to one end of a rotating shaft 8 by a fixing screw 10, and the rotating shaft 8 is rotatably supported by two ball bearings 11a and 11b.
A driving pulley 13 for rotating the rotating shaft 8 is attached to the opposite end of the sandwiching member 1. A groove-shaped connecting member 6a is provided in a central concave portion having the same diameter as the rotating shaft 8 formed on the opposing surface side of the sandwiching member 1, and the opposing surface surface is provided on the opposing surface surface for fitting a wire. A continuous groove 7 is formed (see FIGS. 2A and 2B). In the vicinity of the groove 7 on the peripheral surface, the end holding plate 3 and the holding screw 3a are used to fix the end of the wire rod fitted in the groove 7.
Is attached (see FIG. 2A). A belt 14 is stretched around the driving pulley 13 and driven by driving means (not shown).

On the other hand, the holding member 2 is attached to one end of a rotating shaft 9, and the rotating shaft 9 is connected to two ball bearings 12.
a and 12b rotatably supported. A shaft portion 6c that fits into the central concave portion of the sandwiching member 1 is formed at a central portion on the opposing surface side of the sandwiching member 2, and a convex shape that fits into the groove-shaped connecting member 6a on the shaft portion 6c. A connecting member 6b is formed. A winding guide member 4 having the same shape (here, a spiral shape) as the innermost shape of the coil to be created is formed around the shaft portion 6c. Further, a moving means 5 for moving the sandwiching member 2 so that the interval between the sandwiching members 1 and 2 corresponds to the thickness of the wire of the coil when the coil is formed.

Next, the operation of the above embodiment will be described.

First, in a state where the sandwiching member 1 and the sandwiching member 2 are separated from each other (see FIG. 1), for example, the end of a flat wire that has been subjected to insulation coating as a wire is formed into a groove 7 between the sandwiching members 1 and 2.
And is bent substantially at a right angle to fit into the groove 7 on the peripheral surface of the sandwiching member 1 and then into the groove 7 on the opposite surface side. Next, the holding screw 3a is tightened, and the end of the flat wire fitted into the groove 7 is firmly fixed by the end of the end holding plate 3 (see FIGS. 2 (a) and 2 (b)).

Next, the moving means 5 is operated to move the sandwiching member 2 to the sandwiching member 1 side. When the distance between the sandwiching member 1 and the sandwiching member 2 approaches the thickness of the substantially rectangular wire due to the movement of the sandwiching member 2, the shaft portion 6c of the sandwiching member 2 is inserted into the central recess of the sandwiching member 1, and the connecting member of the central recess is further inserted. The convex portion of the connecting member 6c on the shaft portion 6c fits into the groove of
And the pinching member 2 are connected so as to be able to rotate synchronously. At the same time, the flat wire is pressed by the opposing surface of the sandwiching member 2 and the end of the winding guide member 4 at the end of the groove 7 and is bent in a stepwise manner (see 20a in FIG. 4).

Next, in this state, the driving means (not shown) is driven to drive the driving pulley 13 via the belt 14 to rotate the rotating shaft 8 in the direction of the arrow. Then,
Since the sandwiching member 2 is connected by the connecting members 6a and 6b, it rotates with the rotation of the sandwiching member 1, and the flat wire whose end is fixed and the proper tension is applied according to the wire diameter is wound up. . At this time, the flat wire is wound along the peripheral edge of the winding guide member 4, and the innermost shape of the coil is formed in the same shape as the peripheral edge. The terminal end of the winding guide member 4 bulges outward from the start end of the winding by the width of the flat wire, but since the terminal end portion has the flat wire already wound, the winding end thereafter. It is wound along the outer circumference of the flat wire being taken. In this way, the rectangular wire is wound up with the rotation of the sandwiching members 1 and 2, and finally, as shown in FIG.
The spiral coil 20 subjected to the insulation coating treatment as shown in FIG. Here, the number of turns of the spiral coil is determined by the number of rotations of the sandwiching members 1 and 2.

In the above embodiment, the wire is wound by rotating the sandwiching member side to form the spiral coil. However, the present invention is not limited to this, and the wire side is wound so as to wind the wire around the sandwiching member. May be rotated around the sandwiching member. Alternatively, the wire may be wound by rotating the pinching member and rotating the wire in the opposite direction. When the wire is rotated around the sandwiching member, the connecting members 6a and 6b may not be provided.

In the above embodiment, the winding guide member 4
Is integrally formed with the shaft portion 6c. However, the present invention is not limited to this, and the peripheral edge may be formed by a band-shaped member having a thickness such that it does not deform when the wire is wound. Alternatively, members may be provided discontinuously at intervals so that the peripheral edge forms the innermost shape of the coil to be formed.

In the above embodiment, the winding guide member 4
Is formed to be the same as the thickness of the rectangular wire, but is not limited thereto, and the height may be slightly higher than the thickness of the rectangular wire, or may be slightly lower. In short, it is sufficient if the height is such that the wire does not enter the inside when forming the coil.

In the above embodiment, the winding guide member 4
Is provided on the side of the sandwiching member 2, but is not limited thereto.
It may be provided on the side. Alternatively, both of the sandwiching members 1, 2
And the height of the winding guide member 4 may be adjusted to satisfy the above condition when both are adjusted.

In the above embodiment, a rectangular wire is used as the wire for the coil. However, the present invention is not limited to this. For example, a round wire, a foil wire, or the like may be used.

Further, in the above embodiment, the winding portion of the wire is constituted only by the pair of sandwiching members.
For example, as shown in FIG. 5, a plurality of pairs of sandwiching members are provided,
A connection member may be provided on each of the sandwiching members so that a plurality of coils can be simultaneously formed. in this case,
The minimum spacing between each winding guide member or sandwiching member is the same when creating a coil of the same shape,
When producing coils having different shapes, the coils may be configured differently.

In the above-described embodiment, one coil is formed by a pair of sandwiching members.
For example, as shown in FIG. 6, the distance between the sandwiching members 1a and 2a and the height of the winding guide member are set to two flat wires 21a and 21a.
1b may be configured to correspond to the stacked thickness, and two spiral coils may be simultaneously formed. At this time, the method of fixing the ends of the flat wire 21a is the same as in the above embodiment, and the two flat wires 21a and 21b are fixed together by setting the depth of the groove 7 to the thickness of the flat wire overlapping. You may. Alternatively, for example, as shown in FIGS. 7A and 7B, a hole 7a into which the rectangular wire 21a can be inserted is formed in the sandwiching member 1b, and a pressing plate 7c that can be tightened by a pressing screw 7b is provided in the depth of the hole 7a. In this case, the end of the rectangular wire 21a inserted into the hole 7a may be fixed. And pinching member 2a
The side may have the same configuration so that the other flat wire 21b can be fixed. Alternatively, as shown in FIG. 8, the wire insertion hole 27 provided in the sandwiching member 1 c is
a, 22b may be formed so as to enter vertically, so that spiral coils having different diameters may be simultaneously formed.

In the above embodiment, the winding guide member 4
Is provided around the shaft portion 6c from the start end to the end portion, but is not limited to this, and may be provided slightly shorter than the circumference as long as the spiral coil has a small deformation.

In the above embodiment, the winding guide member 4
The shape of the peripheral edge is spiral, but the shape is not limited to this, and may be the innermost shape of the coil to be created. Of course, other shapes such as a polygonal shape and a square shape may be used.

Further, in the above embodiment, the wire fixing portion for fixing one end is constituted by the groove 7, the end pressing plate 3 and the pressing screw 3a. However, the present invention is not limited to this, and a configuration as shown in FIG. Alternatively, for example, a configuration having only the hole 27 may be adopted.

Further, in the above embodiment, the moving means 5 is configured to be able to move one of the sandwiching members 2. However, the present invention is not limited to this, and the moving means 5 may be configured to be able to move the other sandwiching member 1. Alternatively, both the holding members 1 and 2 may be configured to be movable.

In the above-described embodiment, the spiral coil is formed only by rotating the sandwiching member.
As shown in FIG. 9, when winding the wire, the spiral coil may be formed while pressing the rotatable roller 24 from outside the wire. This method is particularly effective for resilient wires.

FIG. 10 is a partial side view of a spiral coil manufacturing apparatus according to another embodiment. As shown in FIG. 12 (a) or (b), two spiral coils 100a and 100b are connected to the same continuous line. This is an apparatus for manufacturing a spiral coil having a shape connected at the central portion 100c. That is, a first sandwiching member 30 for sandwiching the spiral coil 100a is provided on the left side in the drawing, and a second sandwiching member 31 for sandwiching the spiral coil 100b is provided on the right side, and the first sandwiching member 30 and the second sandwiching member are provided. A take-up member 32 is provided between the take-up member 31.
Also, the shaft 30c of the first sandwiching member 30 and the second sandwiching member 31
Of the driving means 3 for rotating them.
6 are connected. The driving means 36 can be constituted by connecting a pulse motor to each of the shafts 30c and 31c, for example.

A hole for inserting a connecting shaft 37 for connecting the first sandwiching member 30, the winding member 32, and the second sandwiching member 31 on the same axis is formed on the A side of the first sandwiching member 30. 30a and a first winding guide member 34 whose peripheral edge is formed in the innermost shape of the coil to be manufactured (FIG. 11).
(See (a)) and the connecting shaft 3 inserted into the pedestal 30d.
A screw 30b for fixing 7 is provided. The winding member 32 has a hole 3 through which the connecting shaft 37 passes through the center.
2b is provided, and from the hole 32b to the peripheral portion,
In order to fix the wire in between, a slit 38 is provided which is open from the surface B to the surface C. A second winding guide member 35 whose peripheral edge is formed in the innermost shape of the coil to be manufactured is provided on the C surface, and a screw hole of a screw 32a for fixing the connection shaft 37 is provided on the peripheral surface. A screw hole of a screw 39 for fixing a wire in the slit 38 is provided (see FIGS. 11B and 11C). Further, the second sandwiching member 31 is provided with a hole 31a on the D surface side into which the connecting shaft 37 is inserted, and a bearing 31b for receiving the end 37a of the connecting shaft 37 at the back of the hole 31a, and further on the outside. Stock reel 4 for winding the wire on the coil 100b side
The stock reel 41 is provided with a bolt 40a.
And is connected to a reel base 40 which is fixed to the sandwiching member 31 and rotates synchronously. Further, the reel base 40 is provided with a tension pin 42 for removing the habit of the wire wound on the stock reel 41 (see FIG. 11D). The slit 38 and the screw 39 constitute the wire rod fixing portion 33.

Next, the operation of the above embodiment will be described.

First, a rectangular wire that has been subjected to insulation coating is
It is taken out from the back front of the sandwiching member 30 and the sandwiching member 31, and the taken-out wire end is fixed to a stock reel 41,
Wind the length of the coil 100b to be manufactured. Next, the connecting shaft 37 is penetrated through the winding member 32, and the screw 32a is fastened and fixed.

Next, the connecting shaft 37 is inserted into the hole 30a of the first sandwiching member 30, and is pushed until the first winding guide member 34 comes into contact with the surface B of the winding member 32, and then the screw 30b is tightened and fixed. I do. Next, the second sandwiching member 31 is moved toward the winding member 32, and the connecting shaft 37 is inserted into the hole 31a.
The end face of the second winding guide member 35 is the D of the second pinching member 31.
Push until it hits the surface. At this time, the end 3 of the connecting shaft 37
7a (which is formed thin with a radius so as to be fitted to the bearing 31b) abuts on the bearing 31b, and the second sandwiching member 31 is slidable and rotatable with respect to the connecting shaft 37. Here, the wire has a bent portion at the end of the slit 38 along the surface B and a bent portion at the other end of the slit 38 along the surface C.

In this state, the driving means 36 rotates the shaft 30c of the first sandwiching member 30 at a predetermined rotational speed, and simultaneously rotates the shaft 31c of the second sandwiching member 31 at twice the rotational speed of the first sandwiching member 30. Rotate in the same direction by number. Then, the wire sandwiched between the surfaces A and B is guided and wound by the first winding guide member 34, and is subsequently wound in the outer peripheral direction to form the coil 100a.
(It is wound clockwise as described with reference to (a)). On the other hand, the wire material sandwiched between the C surface and the D surface is guided by the second winding guide member 35 while being unreeled from the stock reel 41 and removed by the tension pin 42 as described with reference to FIG. The coil is wound and then wound in the outer circumferential direction to form the coil 100b.
This is because the second sandwiching member 31 is rotating at twice the speed of the first sandwiching member 30, and the coil 100b is
2 is wound in the same direction (electrical view) at the same speed as the coil 100a, and the coils 100a,
A double spiral coil in which 100b is wound in the same direction can be manufactured. Here, the same direction of the spiral refers to the same direction of rotation of each coil when traveling from one end to the other end of the twin spiral coil (that is, in the case where electricity is passed). It means there is.

After the spiral coil is manufactured, in order to remove the spiral coil, the end of the wire rod on the coil 100a side is cut, the second sandwiching member 31 is moved to the right (on the drawing) and removed, and then the screw 32a is removed. Loosen and take out the winding member 32 from the connecting shaft 37, loosen the screw 39 and cut the coil
00c and the spiral coil. As described above, the spiral coil having been subjected to the insulation coating treatment as shown in FIG. 12A can be easily manufactured.

When the wire is wound on a stock reel 41 by an appropriate amount, the shaft 30c of the first sandwiching member 30 is rotated in a predetermined direction, and the shaft 31c of the second sandwiching member 31 is not rotated and fixed, thereby producing a coil. The manufactured coil is the same continuous wire, and is continuous at the coil central portion 100c.
A double spiral coil in which 0a and the coil 100b are reversely wound can be manufactured. In this case, the second guide winding member 35 is of a reverse spiral type.

FIG. 13 is a partial side view of a spiral coil manufacturing apparatus according to another embodiment. Compared to the spiral coil manufactured in the above-described embodiment, as shown in FIG.
This is an apparatus that can produce a spiral coil with a narrow interval between 1a and 101b. That is, the arrangement of the first sandwiching member 50, the second sandwiching member 51, the winding member 52, and the like, the driving method of the driving unit 36, and the like are the same as those in the above-described embodiment. The difference from the above-described embodiment is that the first sandwiching member 50, the winding member 52,
This is the point of each configuration in the connection shaft 57.

In the center of the first sandwiching member 50, the hole 52a of the winding member 52
(The connection shaft 57 is provided with a square hole 57b as shown in the E plane of FIG. 13). A protrusion 50b is provided, and the first winding guide member is provided around the protrusion 50b. 34 are formed.

On the other hand, the winding member 52 is provided with a square hole 52a in the center in the shape of a spring washer (FIG. 1).
4 (b)), and a second winding guide member 53 is formed on the C surface side (see FIG. 14 (d)). Inside the second winding guide member 53, a circular concave portion for fitting the connecting shaft 57 is formed. Further, the winding member 52 is made of a material having elasticity and has a central portion 101c of the spiral coil.
The end of the cut portion of the slit 58 for fixing is uneven when no force is applied.

Next, the operation of the above embodiment will be described.

First, a rectangular wire that has been subjected to insulation coating is taken out from the front and back of the sandwiching member 50 and the sandwiching member 51, and the end of the wire that has been taken out is fixed to a stock reel 61 for the length of the coil 101b to be manufactured. Take up. Next, the winding member 52 is inserted into the lower part of the slit 58.

Next, the hole 52a of the winding member 52 is
It penetrates through the protruding portion 50b of the sandwiching member 50, and is further fitted by pressing the hole 57b of the connecting shaft 57. Next, the second sandwiching member 51 is moved to insert the connecting shaft 57 into the hole 51a, and is pushed until the second winding guide member 53 comes into contact with the surface D of the second sandwiching member 51. At this time, the end 57 of the connecting shaft 57
a comes into contact with the bearing 51b, and the second sandwiching member 51 can slide and rotate with respect to the connecting shaft 57 (the winding member 52).
Becomes flat as shown in FIG. 14 (c)). Here, the wire is bent at the end of the slit 58 and along the surface B,
A bent portion is formed at the other end of the slit 58 along the C-plane. At the same time, by pressing the second sandwiching member 51 leftward in the drawing, the winding member 52 becomes flat. Thus, the wire can be fixed in the front-rear direction.

In this state, the driving means 36 rotates the shaft 50c of the first sandwiching member 50 at a predetermined rotation speed, and at the same time, rotates the shaft 51c of the second sandwiching member 51 twice the rotation speed of the first sandwiching member 50. Rotate in the same direction by number. Then, the wire sandwiched between the surfaces A and B is guided and wound by the first winding guide member 34, and is subsequently wound in the outer peripheral direction to form the coil 101a (FIG. 14A).
It is wound in a clockwise direction as described by. On the other hand, C
14D, the wire material sandwiched between the surface and the D surface is guided by the second winding guide member 53 and wound around while being hauled out from the stock reel 41 and removed by the tension pin. Subsequently, the coil 101b is formed by being wound in the outer circumferential direction. This is because the second sandwiching member 51 is rotating at twice the speed of the first sandwiching member 50, so that the coil 101b is at the same speed as the coil 101a with respect to the winding member 52 in the same direction (electrically. ), And the coils 100a, 100
A double spiral coil in which b is wound in the same direction can be manufactured.

After the spiral coil is manufactured, in order to remove the spiral coil, the wire at the end of the coil 101a is cut, the second sandwiching member 51 is moved and removed, and the connecting shaft 57 is connected to the winding member 5.
2, the winding member 52 is pulled out from the projecting portion 50 b of the first sandwiching member 50, and the coil
01c and the spiral coil. As described above, in the present embodiment, since the winding member and the screw for fixing the connecting shaft are not required, they can be easily attached and detached, and the same continuous line subjected to insulation coating as shown in FIG. By using the method of winding the coils 100a and 100b at the same time, a double spiral coil can be easily manufactured.

As described above, according to the present invention, in particular, a rectangular wire whose insulation dimension has been applied to a rectangular wire whose width dimension is n times larger than its thickness dimension is used as the thin dimension surface of the coil. , A single spiral, with a flat rectangular wire facing the outer diameter direction
It is possible to manufacture a double-coiled or inverted double-coiled coil with the same continuous line at low cost.

In the above embodiment, the number of revolutions of the second sandwiching member is set to twice the number of revolutions of the first sandwiching member in order to equalize the number of turns of each of the two coils. Alternatively, if the rotation speed of the second sandwiching member is larger than the rotation speed of the first sandwiching member, the rotation may be changed according to the number of turns of each of the two coils.

In the above embodiment, the driving means 36 drives each axis at a different rotation speed, so that the driving means 36 applies a pulse mode to each axis.
However, the present invention is not limited to this, and each shaft may be driven by one motor and one shaft may be decelerated or increased by a gear. Alternatively, the second pinching member side may be driven by a motor, and the first pinching member side may be decelerated by a brake mechanism.

[0047]

As is apparent from the above description, the present invention provides a predetermined height corresponding to the thickness of the wire so that the peripheral edge forms part or all of the innermost shape of the coil to be formed. Since it has a winding guide member protruding from
It has the advantage that a spiral coil can be easily manufactured at low cost.

Also, since the first and second winding guide members are provided, the two spiral shapes are connected by the same line, and the winding start end and the winding end end are on the outside. Has the advantage that it can be wound at the same time as the left and right sides and can be manufactured at low cost.

[Brief description of the drawings]

FIG. 1 is a partial side view of a spiral coil manufacturing apparatus according to one embodiment of the present invention.

FIG. 2A is a front view of a pinching member on the wire rod end fixed side of the embodiment, FIG. 2B is a side view of the pinching member,
FIG. 3C is a bottom view of the sandwiching member.

3A is a front view of a pinching member on the winding guide member side of the embodiment, FIG. 3B is a side view of the pinching member, and FIG. It is a bottom view of a member.

FIG. 4 is a perspective view of a spiral coil manufactured by the spiral coil manufacturing apparatus of the embodiment.

FIG. 5 is a schematic side view of a spiral coil manufacturing apparatus according to another embodiment.

FIG. 6 is a schematic side view of a spiral coil manufacturing apparatus according to another embodiment.

7 (a) is a side view showing a wire fixing portion for fixing one end of the spiral coil manufacturing apparatus of the embodiment of FIG. 6, and FIG. 7 (b).
Is a front view thereof.

FIG. 8 is a schematic front view of a sandwiching member of a spiral coil manufacturing apparatus according to another embodiment.

FIG. 9 is a schematic front view of one sandwiching member of a spiral coil manufacturing apparatus according to another embodiment.

FIG. 10 is a partial side view of a spiral coil manufacturing apparatus according to another embodiment.

FIG. 11 (a) is a view showing A of a first sandwiching member of the embodiment.
(B) is the B-side of the winding member of the embodiment, (c) is the C-plane of the winding member, and (d) is the second sandwiching member of the embodiment. It is a front view of each of D side.

FIG. 12A is a perspective view of a spiral coil manufactured by the spiral coil manufacturing apparatus of the embodiment, and FIG.
It is the side view.

FIG. 13 is a partial side view of a spiral coil manufacturing apparatus according to another embodiment.

FIG. 14A is a view illustrating a first holding member A of the embodiment;
(B) is a front view of surface B of the winding member of the embodiment, FIG. (C) is a side view of the winding member, and (d) is the winding member. (C) and FIG. (E) are front views of surface D of the second sandwiching member of the embodiment.

FIG. 15 is a side view of a spiral coil manufactured by the spiral coil manufacturing apparatus of the embodiment.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 sandwiching member (wire rod end fixed side) 2 sandwiching member (winding guide member side) 3 end holding plate 3 a holding screw 4 winding guide member 5 moving means 6 a, 6 b connecting member 7 groove 20 spiral coil 30, 50 th 1 sandwiching member 31, 51 second sandwiching member 32, 52 winding member 33 wire fixing portion 34 first winding guide member 35, 53 second winding guide member 36 driving means 58 slit (wire fixing portion)

Claims (5)

(57) [Claims] 1. A pair of sandwiching members, which are movably opposed to each other to sandwich a wire of a coil to be created, and a wire fixing portion for fixing one end of the wire is provided on one of the opposing surfaces; At least one opposing surface of the sandwiching member is formed so as to protrude at a predetermined height corresponding to the thickness of the wire so that a peripheral edge forms part or all of an innermost shape of the coil to be created. A winding means for moving the holding member , wherein the winding guide member includes a screw;
A spiral coil manufacturing apparatus having a spiral shape . 2. A pair of sandwiching members, which are movably opposed to each other so as to sandwich a wire of a coil to be created, and provided with a wire fixing portion for fixing one end of the wire on one of the opposing surfaces; At least one opposing surface of the sandwiching member is formed so as to protrude at a predetermined height corresponding to the thickness of the wire so that a peripheral edge forms part or all of an innermost shape of the coil to be created. A winding guide member, and a moving means for moving the sandwiching member , further comprising:
Move the pinching members close to each of the central
When the pinch member is moved to move
A spiral coil manufacturing apparatus comprising a connecting member . 3. A first sandwiching member and a second sandwiching member, at least one of which is provided so as to be movable in an axial direction, and the first sandwiching member and the second sandwiching member for sandwiching a wire of a coil to be manufactured. And a winding member having a wire fixing portion for fixing a part of the wire, and a peripheral edge of a surface of the winding member facing the first sandwiching member or a surface of the first sandwiching member. A first winding guide member formed to project to a predetermined height corresponding to the thickness of the wire rod so as to form part or all of the innermost shape of the coil to be manufactured; and A surface facing the second sandwiching member or the second
A second winding guide formed on a surface of the sandwiching member so as to protrude at a predetermined height corresponding to the thickness of the wire so that a peripheral edge forms part or all of an innermost shape of the coil to be manufactured; An apparatus for manufacturing a spiral coil, comprising: a member; and driving means for rotating the first sandwiching member or the winding member at a predetermined rotation speed. 4. The wire fixing portion is a slit formed in the winding member, through which the coil penetrates, and a gap between the slit is formed between the first sandwiching member and the winding member. The spiral coil manufacturing apparatus according to claim 3 , wherein when the shaft members are connected by the shaft member, the diameter of the spiral coil becomes narrower. 5. The coil according to claim 1, wherein the coil is wound in the same direction or in the same direction, in the same continuous line, and is a simultaneous winding of a double spiral or an inverted double spiral in which a winding start end and a winding end end are outwardly projected. The spiral coil manufacturing apparatus according to claim 3 or 4, wherein: