JP2943669B2 - Winding machine for coil parts - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a winding machine for coil parts.

[0002]

2. Description of the Related Art A conventional winding machine will be described below.

A conventional winding machine is disclosed in Japanese Unexamined Patent Publication No. 7-122453.
As shown in the publication, in a winding machine in which a spindle supporting a bobbin is rotated and a winding layer and an insulating film tape winding layer are alternately laminated on the bobbin, a winding mechanism of the insulating film tape is used. If the winding cannot be locked to the cut-and-raised portion, the winding is locked to the hook and cut, so that the winding layer and the insulating film tape layer are alternately laminated. In addition, the detection of defective products can be easily determined by the appearance inspection.

[0004]

In the above configuration, the winding machine becomes complicated and expensive, and the one obtained by cutting the winding is:
There is a problem that the yield is reduced because the product is defective.

An object of the present invention is to solve the above-mentioned problems, and an object of the present invention is to provide a coil component winding machine which does not require an appearance inspection, is inexpensive and has improved yield.

[0006]

In order to achieve the above object, the present invention provides a winding nozzle for supplying a winding to a bobbin having a flange at both ends and having a terminal pin at the flange, A spindle for rotating the bobbin and winding a winding around the outer periphery of the bobbin, and covering the outer periphery of the bobbin with insulating paper having a locking portion for locking the winding, the locking portion of the insulating paper And an optical detector having a discriminating means for discriminating whether or not the winding is locked, thereby achieving an initial object.

[0007]

According to the first aspect of the present invention, not only the appearance inspection is not required, but also whether the winding is locked to the locking portion of the insulating paper is determined by cutting the winding. Since the determination can be made without performing the process, the yield is not reduced, and the cost can be reduced because of the simple configuration.

Hereinafter, a coil component winding machine according to an embodiment of the present invention will be described with reference to the drawings.

A winding machine for a coil part according to one embodiment of the present invention has a flange 1 at both ends and a winding nozzle 4 for supplying a winding to a bobbin 3 having a terminal pin 2 on the flange 1; A spindle 5 for rotating the bobbin 3 and winding a winding around the bobbin 3;

Then, the outer periphery of the bobbin 3 is covered with an insulating film tape 7 having a winding start locking portion 6 for locking the winding and a winding end locking portion 20, and the winding of the insulating film tape 7 is started. Locking section 6 or winding end locking section 20
Is provided with an optical detector 8 having a determining means for determining whether or not the winding is locked. At this time, the winding start locking portion 6 and the winding end locking portion 20 are formed by cutting and raising a part of the insulating film tape 7.

The discriminating means of the optical detector 8 comprises:
At the start of winding of the winding, the detection unit 9 of the optical detector 8 is connected to a first straight line 11 connecting the tip of the winding nozzle 4 and a connection terminal 10 for connecting the winding to the first straight line 11. It is located between the leading end and the second straight line 12 connecting the winding start locking portion 6,
The detection unit 9 determines whether the winding is arranged on the first straight line 11 or the second straight line 12.

On the other hand, at the end of the winding of the winding, the detecting section 9 of the optical detector 8 is connected to the third straight line 17 connecting the tip of the winding nozzle 4 and the winding, and the tip of the winding nozzle 4. It is located between the fourth straight line 18 connecting the winding end locking portion 20 and
The detecting unit 9 determines whether the winding is arranged on the third straight line 17 or the fourth straight line 18.

Further, the optical detector 8 includes the winding nozzle 4
And the optical detector 8 is controlled to move in conjunction with the winding nozzle 4. The optical detector projecting unit 13 and the optical detector light receiving unit 14, which are the detecting unit 9 in the optical detector 8, have their optical axes 15 is disposed so as to be the lower end of the winding nozzle 4.

The coil component winding machine having the above configuration is
The operation will be described below. When the winding is wound on the winding start locking portion 6 of the insulating film tape 7 at the start of winding the winding around the bobbin 3, the tip of the winding nozzle 4 is connected to the winding start locking portion 6. The winding will be arranged on the second straight line 12.

On the other hand, if the winding is not locked to the winding start locking portion 6, the winding is wound on the first straight line 11 connecting the tip of the winding nozzle 4 and the connection terminal 10 for connecting the winding. A line will be placed.

The optical detector 8 has a detection unit 9 in which a first straight line 11 connecting the tip of the winding nozzle 4 to a terminal for connecting the winding, and a tip for starting winding with the tip of the winding nozzle 4. Since the optical detector 8 is disposed so as to be located between the stop portion 6 and the second straight line 12, if the optical detector 8 is moved leftward or rightward, the optical axis 15 in the detection portion 9 is moved. , The first straight line 1
Across the windings located on the first or second straight line 12. Thereby, the light incident on the optical detector light receiving unit 14 in the detection unit 9 is blocked, and it is possible to determine whether the winding is located on the first straight line 11 or the second straight line 12.

After it is determined that the winding is locked by the winding start locking portion 6, the bobbin 3 is rotated by the spindle 5.
Is rotated, the winding supplied from the winding nozzle 4 is
It can be wound around the outer periphery of the bobbin 3.

At the end of winding of the bobbin 3,
Similarly to the winding start, if the winding is locked to the winding end locking portion 20 of the insulating film tape 7, the winding nozzle 4
Third straight line 1 connecting the end of the wire and the winding end locking portion 20
7 will be provided with a winding.

On the other hand, if the winding is not locked to the winding end locking portion 20, the winding is arranged on the fourth straight line 18 connecting the tip of the winding nozzle 4 and the winding. Become.

Then, the optical detector 8 is connected to its detecting section 9.
Is a fourth straight line 18 connecting the tip of the winding nozzle 4 and the winding.
And the third linear line 17 connecting the end of the winding nozzle 4 and the winding end locking portion 20 to move the optical detector 8 leftward or rightward. If this is done, the optical axis 15 in the detection unit 9 will be
7 or on a fourth straight line 18. Thereby, the light incident on the optical detector light receiving section 14 in the detecting section 9 is blocked, and it is possible to determine whether the winding is located on the third straight line 17 or the fourth straight line 18.

After it is determined that the winding is locked by the winding end locking portion 20, the bobbin 3 is rotated again by the spindle 5, and the winding nozzle is again placed on the wound winding. 4 can be wound, and by repeating these, a multilayer coil component having a multilayered winding can be obtained.

As described above, according to the present embodiment, whether or not the winding is locked to the locking portion 6 for winding start or the locking portion 20 for winding end of the insulating film tape 7 is determined by cutting the winding. When the winding is not locked, if the winding is manually or automatically locked to the winding start locking portion 6 or the winding end locking portion 20, the winding is again locked. It can be wound around the bobbin 3 and the yield can be improved.

In the present embodiment, the optical detector 8 is integrally mounted on the winding nozzle 4 to control the movement.
The movement of the optical detector 8 itself may be controlled without being integrally attached to the winding nozzle 4.

Further, in the present embodiment, the bobbin 3 is wound around the bobbin 3 by rotating the bobbin 3 by the spindle 5, so that the winding supplied from the winding nozzle 4 is wound around the bobbin 3. The winding may be wound by fixing the bobbin 3 and rotating the winding nozzle 4 around the outer periphery of the bobbin 3. At this time, the optical detector 8 may be integrally attached to the winding nozzle 4 and controlled to move, or the optical detector 8 itself may be controlled to move.

Further, in this embodiment, the optical detector 8
Is moved left and right to determine the engagement of the winding. However, if the optical detector 8 having the detection unit 9 having a wide detection area is used,
The determination can also be made without moving.

[0026]

As described above, according to the present invention, not only the appearance inspection is not required, but also whether or not the winding is locked to the locking portion of the insulating paper is determined without cutting the winding. Therefore, the yield can be prevented from lowering, and the simple configuration can provide an inexpensive coil component winding machine.

[Brief description of the drawings]

FIG. 1A is a front view of a winding machine when winding is wound around a bobbin at the start of winding, and FIG.

FIG. 2 is a front view of the winding machine when the start of winding is detected.

FIG. 3 is a front view of the winding machine at the end of winding.

FIG. 4 is a rear view of the winding machine at the end of winding.

FIG. 5 is a rear view of the winding machine when the end of winding is detected.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Flange 2 Terminal pin 3 Bobbin 4 Winding nozzle 5 Spindle 6 Winding start locking part 7 Insulating film tape 8 Optical detector 9 Detecting part 10 Connection terminal 11 First straight line 12 Second straight line 13 Optical detection Light emitting unit 14 Optical detector light receiving unit 15 Optical axis 17 Third straight line 18 Fourth straight line 20 End-of-winding locking unit

Claims (4)

(57) [Claims] 1. A winding nozzle that has a flange at both ends and supplies a winding to a bobbin having a terminal pin at the flange, and rotates the bobbin to wind a winding around the bobbin. A spindle, and covering the outer periphery of the bobbin with insulating paper having a locking portion for locking the winding, and determining whether the winding is locked to the locking portion of the insulating paper. Winding machine for coil parts provided with an optical detector having means. 2. The coil component winding machine according to claim 1, wherein the winding nozzle is configured to go around the outer periphery of the bobbin and wind the winding around the outer periphery of the bobbin. 3. The discriminating means of the optical detector includes: a detecting section of the optical detector; a first straight line connecting a tip of the winding nozzle and a terminal connecting the winding; and a tip of the winding nozzle. 2. The detection unit according to claim 1, wherein the detection unit determines whether the winding is arranged on the first straight line or the second straight line by positioning the winding between the first straight line and the second straight line. Winding machine for coil parts. 4. A discriminating means of the optical detector includes: a detecting section of the optical detector; a third straight line connecting the tip of the winding nozzle and the locking portion; 2. The coil part winding according to claim 1, wherein the coil is disposed between the first straight line and the fourth straight line, and the detection unit determines whether the winding is arranged on the third straight line or the fourth straight line. Wire machine.