JPH10144554A - Flyer rotating winding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a flyer rotating winding device which can improve the productivity of a bobbin and miniaturize a product, by miniaturizing a winding device, increasing the precision, reducing the cost, and increasing the design freedom of a bobbin form. SOLUTION: By a U-shaped trench 11 of a wire guide 4 fixed to a flyer 1, a wire material 3 is vertically, i.e., in the lateral direction, defined and guided. By a carriage positioning body 6 having a holding pin 12 and sending holes 18, the wire material 3 is carried, and wound around a specified winding trench 7 of a bobbin 5 fixed on a base part 13 provided with terminals 16. Thereby the draw-out and guiding of the wire material 3 for winding are facilitated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flyer-rotating winding apparatus for winding coils and transformers used in electronic equipment and the like.

[0002]

2. Description of the Related Art A winding device for winding a bobbin for producing coils, transformers and the like used in electronic equipment includes:
There are mainly a spindle rotation method and a flyer rotation method, and a spindle rotation method is often used for winding of a multi-groove bobbin having a plurality of winding grooves on the same bobbin.

[0003] A case in which winding is performed on the multi-groove type bobbin by a flyer rotation type winding device will be described with reference to the front and plan views of the main part of the winding device shown in FIG.

In FIG. 8, a flyer 26 is a bobbin made of an insulating material which is movable in a XYZ direction by a driving mechanism (not shown) and which winds a wire 29 such as an insulating copper wire. It is rotatable about 30 center lines.

Reference numeral 27 denotes a nozzle holder, which holds a nozzle 28 through which a wire 29 is inserted at the center, and a flyer 26
It is stuck to. Numeral 34 denotes an insulating material, and a predetermined introduction groove 3
Reference numeral 6 denotes a pedestal provided on the side surface. A predetermined terminal 35 for winding the wire rod 29 at the start and end of the wire rod 29 is fixed on one side, and one end of the bobbin 30 is fixed on the other side.

Reference numeral 32 denotes one or a plurality of partitions constituting the bobbin 30, which forms a necessary winding groove 31. Numeral 33 denotes projections provided at, for example, two places of a predetermined partitioning portion 32. The projections 33 hook a wire 29 led out from the tip of a nozzle 28 and wind the wound winding by rotating the flyer 26 in a predetermined winding groove 31. Do it.

[0008] That is, as shown in FIG. 8 (b), a projection is provided on the partition 32 of the bobbin 30 so as to hook and guide the wire 29 in a predetermined winding groove 31, or as shown in FIG. The flyer 26 is inclined with respect to the center line of the bobbin 30, and a wire 29 derived from the tip of the nozzle 28 is wound around a predetermined winding groove 31 and wound.

[0008]

In general, a spindle rotating type winding device is widely used for winding a multi-groove bobbin. However, in a spindle rotating type winding device, since the bobbin is rotated, individual windings are required. The bobbin must be positioned and supplied to the spindle shaft, which requires a supply / extraction mechanism between the bobbin transport system and the winding shaft. Was.

When the flyer rotating type winding device is used, the positional relationship between the nozzle 28 and the bobbin 30 is restricted as described with reference to FIG. 8 so that the wire 29 can be guided to a predetermined winding groove 31. Next, as shown in FIG. 8B, the projection 33 for guiding the wire rod 29 is connected to the partition 32 of the bobbin 30.
Of the flyer 2 as shown in FIG.
The winding is made possible by inclining 6.

However, the projections 3 are formed on the partition portions 32 of the bobbin 30.
Providing 3 increases the restrictions on the shape of the bobbin 30, and also has the problem of hindering improvement in bobbin 30 productivity and miniaturization of the finished product.

Further, the wire 2 at the tip of the nozzle 28
There has been a problem that the bending caused by the acute derivation of 9 causes a load on the wire rod 29 and that the inclination of the nozzle 28 or the flyer 26 leads to a decrease in accuracy.

SUMMARY OF THE INVENTION The present invention is to solve such a conventional problem, and is intended to reduce the size and accuracy of a winding device.
An object of the present invention is to provide a flyer rotary winding device capable of improving bobbin productivity and reducing the size of a product by reducing the cost and increasing the degree of freedom in designing the bobbin shape.

[0013]

In order to solve the above-mentioned problems, a flyer rotating type winding apparatus according to the present invention is characterized in that a wire drawn from a nozzle tip is formed into a U-shape at a tip in a direction perpendicular to a rotation axis of the flyer. A line guide that is regulated and guided by a groove is attached to a flyer near the nozzle.

According to the present invention, the size, the precision, and the cost of the winding device can be reduced. Further, the degree of freedom in designing the bobbin shape is increased, and it is possible to improve the bobbin productivity and reduce the size of the product.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention provides a transport mechanism for positioning and holding and transporting a wound body, a nozzle for passing a wire wound around the wound body, and a nozzle for the nozzle. A wire guide that regulates and guides the wire drawn out from the tip in a direction perpendicular to the rotation axis of the flyer with a U-shaped groove at the tip is attached near the nozzle, and a flyer that can rotate in the X, Y, Z directions and is used. This is a flyer rotating type winding device having the above-described configuration, and has an operation of facilitating derivation and guidance of a wire.

According to a second aspect of the present invention, there is provided a plate-like member which is movable in the X and Z directions in the center direction of the wound body and regulates and guides the wire in a predetermined winding groove of the wound body. 2. A flyer rotating type winding apparatus according to claim 1, wherein an introduction guide is provided, wherein the bobbin having a winding groove having a narrow width and a bobbin having a significantly larger outer dimension than an outer diameter of a partition portion. It has the effect of facilitating the derivation and guidance of the wire.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. (Embodiment 1) FIG. 1 is a perspective view of a main part of a flyer rotating type winding apparatus according to an embodiment of the present invention, and FIGS. 2 and 3.
3A and 3B are a schematic front view and a plan view of a main part of the description of the winding operation.

In FIG. 1, reference numeral 1 denotes a flyer of a U-shaped block made of metal or resin material, which is set to be rotatable by a driving mechanism (not shown) and to be movable in three-dimensional directions of X, Y and Z. ing. Reference numeral 9 denotes a nozzle holder made of a super steel material, a ceramic material, or the like. The nozzle holder 9 holds a nozzle 2 for inserting a wire 3 for winding such as an insulating film copper wire into a hole at a central portion thereof, and a rotary shaft at a lower portion of the flyer 1. It is eccentrically fixed from above.

Reference numeral 4 denotes L made of a metal material or a ceramic material.
A U-shaped groove 11 having an inverted U shape for introducing, leading out or guiding the wire 3 at the lower end surface.
A notch 10 is provided at the tip, and a predetermined gap is provided between the nozzle 2 and the U-shaped groove 11 at a position slightly above the tip of the nozzle 2 at the upper end. It is fixed to the lower part of the flyer 1. The wire guide 4 is linked to the three-dimensional movement and rotation of the flyer 1 together with the nozzle 2, and enables the wire 3 to be operated from the tip of the nozzle 2 in a direction perpendicular to the rotation axis of the flyer 1, that is, in a lateral direction.

Reference numeral 8 denotes a support shaft fixed to the upper portion of the flyer 1 and through which the wire 3 supplied therein is inserted to fix and hold the flyer 1 in a main body (not shown).

Numeral 5 denotes a hollow bobbin made of an insulating material for forming a coil, a transformer or the like, and provided with a predetermined number of partition portions 14 at predetermined intervals at an outer periphery thereof to form predetermined winding grooves 7. ing. 13 is a base made of an insulating material,
An introduction groove 15 for arranging the wire 3 is provided on the side surface, and a winding start terminal 17 and a terminal 16 for winding the wire 3 at the beginning and intermediate removal or the end at the root are inserted and fixed on one side.
One end surface of the bobbin 5 is fixed to the other surface.

Reference numeral 6 denotes a transport positioning body for transporting, holding or positioning the bobbin 5, and feed holes 18 for holding the bobbin 5 at both ends and moving the bobbin 5 at a specified pitch are inserted into the hollow portion of the bobbin 5 at predetermined intervals on the center line. In addition, a holding pin 12 for regulating the position of the bobbin 5 and holding and transferring the bobbin 5 is provided, and constitutes a transfer mechanism together with a driving unit (not shown).

Next, the wiring or winding operation will be described with reference to FIGS. 1, 2 and 3. FIG. First, as shown in FIG. 1, the wire 3 is placed at the root of the winding start terminal 17 of the bobbin 5, and the flyer 1 is moved in the X and Y directions so that the winding start terminal 17 passes through the gap between the nozzle 2 and the wire guide 4. Drive and wind.

Next, as shown in FIG.
Is driven in the X and Y directions so that the wire 3 fits into the U-shaped groove 11 of the wire guide 4 and is brought out of the notch 10 at the front end. Is set at the position of the winding groove 7. Then, as shown in FIG. 2D, the flyer 1 is driven in the X and Y directions to bring the wire 3 of the notch 10 of the wire guide 4 close to a predetermined position where the winding groove 7 is wound.

Next, as shown in FIG. 3B, the flyer 1 is driven to rotate in the X and Y directions and the wire 3 is wound around the core 7 of the winding groove 7.
a is wound one turn from a half turn, and the winding introducing operation is completed.
Then, as shown in FIG. 3D, the flyer 1 is driven in the X, Y and upward directions (Z direction) to separate the wire 3 from the U-shaped groove 11 of the wire guide 4 and to move the nozzle 2 to the center of the bobbin 5. After the concentric circles, the flyer 1 is rotationally driven to perform a predetermined winding.

Thereafter, the same operation is performed to perform winding on another predetermined winding groove. (Embodiment 2) FIG. 4 is a perspective view of a main part of a flyer rotating type winding apparatus according to another embodiment of the present invention, and FIGS.
FIG. 3 is a schematic front, plan, and side view of a main part of the description of the winding operation.

The device of the embodiment shown in FIG. 4 has basically the same configuration as the device shown and described in FIG. 1, and therefore, the same components are denoted by the same reference numerals and detailed description is omitted. I do.

In FIG. 4, reference numeral 19 denotes an introduction guide made of a metal material or an insulating material.
In order to regulate and guide the wire 3 in a predetermined winding groove 7 having a narrow width of the bobbin 5, X and Z in the center direction of the bobbin 5 are set or operated only when necessary. (The drive mechanism is not shown).

Next, the wiring or winding operation will be described with reference to FIGS. First, as shown in FIG. 5 (b), the wire 3 is placed at the root of the winding start terminal 17 of the bobbin 5, and the winding start terminal 1
The flyer 1 is driven and wound in the X and Y directions so that seven parts pass through the gap between the nozzle 2 and the wire guide 4.

Next, as shown in FIG.
Is driven in the X and Y directions and rotated to move the wire 3 to the wire guide 4.
Is located below the U-shaped groove 11. Thereafter, as shown in FIG. 5F, the flyer 1 is lowered (in the Z direction) to
And the flyer 1 is driven in the X and Y directions so that the wire 3
Is brought closer to a predetermined portion of the winding groove 7 where the winding is performed.

Next, as shown in FIG.
With the U-shaped groove 11, the wire 3 is vertically (laterally) led out from the tip of the nozzle 2, and the introduction guide 19 is driven, and the tip passes through the upper surface of the lower part of the wire guide 4 and is wound. 7 is brought into contact with the partition 14 which forms the upper winding groove.

At this time, when the wire 3 is pulled along the side of the leading end of the guide 19, the guide groove 19 is
The tip shape and the insertion position that can be easily regulated and guided are set.

Next, as shown in FIG.
9 is returned to its original position and released, and the flyer 1 is driven to rotate in the X and Y directions and the wire 3 is wound around the winding core 7a of the winding groove 7 one half turn to complete the winding operation. And FIG.
As shown in (d), the flyer 1 is moved to X, Y and up (Z
Direction) to separate the wire 3 from the U-shaped groove 11 of the wire guide 4 and set the nozzle 2 on a concentric circle at the center of the bobbin 5, and then rotationally drive the flyer 1 to perform a predetermined winding. .

Thereafter, the introduction guide 19 is driven in the Z direction to set a predetermined winding groove position, and the same operation as described above is performed to perform winding on another predetermined winding groove.

With the above configuration and operation, the wire guide 4
With only the wire rod 3, the wire rod 3 is regulated, so that the winding can be easily performed even on a bobbin having a winding groove having a narrow width, which is difficult to guide. Also, the partition 14
In the winding of the bobbin 5 in which the outer dimension of the base portion 13 is remarkably large with respect to the outer diameter of the wire guide 4, it is not necessary to increase the length of the lower portion of the wire guide 4, that is, the length of the U-shaped groove 11, and It is possible to prevent an increase in the size of the apparatus due to an increase in the bobbin pitch or flyer shaft pitch due to an increase in the diameter, and to suppress bending of the wire 3 at the tip of the nozzle 2 to about 90 degrees.

In FIGS. 1 and 4 of the present embodiment, the wire guide 4 is fixed to the flyer 1 so as to face the nozzle holder 9, but the wire guide 4 may be attached to the nozzle holder 9 or the nozzle 2 itself, or The tip of the nozzle 2 may have a shape that allows the wire 3 to be drawn out from the tip of the nozzle in a direction perpendicular (laterally) to the rotation axis of the flyer. Alternatively, a guide roller may be used instead of the nozzle 2. Good.

[0037]

As described above, according to the present invention, the winding of the multi-groove type bobbin by the flyer rotation method is easy, and the supply and take-out between the bobbin transport system and the winding shaft required in the spindle rotation type winding apparatus are facilitated. No mechanism is required, and the size and cost of the equipment can be reduced.

In addition, as compared with a conventional bobbin provided with a guide projection required when using a flyer rotating type winding device, there are fewer design restrictions on the bobbin shape and the degree of freedom is increased.

Further, there is no need to incline the nozzle or flyer, and it is easy to ensure the accuracy of the nozzle tip position.
The bending of the wire at the nozzle tip is also eased, and it becomes difficult to apply a load to the wire.

That is, the winding device can be reduced in size and accuracy,
This has the advantageous effects of reducing costs, increasing the degree of freedom in bobbin shape design, and improving bobbin productivity and miniaturizing products.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of a flyer rotation type winding apparatus according to an embodiment of the present invention.

FIGS. 2 (a) and 2 (c) are schematic plan views of the main part of the description of the winding operation, and FIGS. 2 (b) and 2 (d) are schematic front views of the main part of the description of the winding operation.

FIGS. 3 (a) and 3 (c) are schematic plan views of the main part of the description of the winding operation, and FIGS. 3 (b) and 3 (d) are schematic front views of the main part of the description of the winding operation.

FIG. 4 is a perspective view of a main part of a flyer rotation type winding device according to another embodiment.

5 (a), 5 (c) and 5 (e) are schematic plan views of the main part of the description of the winding operation, and FIGS. 5 (b), (d) and (f) are schematic front views of the main part of the description of the winding operation.

6A is a schematic plan view of a main part of the description of the winding operation, FIG. 6B is a schematic front view of a main part of the description of the winding operation, and FIG.

FIGS. 7 (a) and 7 (c) are schematic plan views of the main part of the description of the winding operation, and FIGS. 7 (b) and 7 (d) are schematic front views of the main part of the description of the winding operation.

8 (a) is a plan view of a main part of a conventional flyer rotary winding device, and FIGS. 8 (b) and (c) are front views of a main part of the same device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 flyer 2 nozzle 3 wire 4 wire guide 5 bobbin 6 transport positioning body 7 winding groove 7a winding core 8 support shaft 9 nozzle holder 10 tip notch 11 U-shaped groove 12 holding pin 13 base 14 partitioning section 15 introduction groove 16 terminal 17 Winding start terminal 18 Feed hole

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Makoto Ito 1006 Kazuma Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd.

Claims (2)

[Claims] A transport mechanism for positioning and holding and transporting the wound body; a nozzle for inserting a wire wound on the wound body;
A wire guide that regulates and guides a wire material derived from the tip of the nozzle in a direction perpendicular to the rotation axis of the flyer by a U-shaped groove at the tip is mounted near the nozzle, and the flyer is rotatable in the X, Y, and Z directions. A flyer rotation type winding device having a configuration using a. 2. A plate-like introduction guide, which is movable in the X and Z directions in the center direction of the wound body and is provided in a predetermined winding groove of the wound body to regulate and guide the wire. Flyer rotation type winding device.