JP2000021670A - Taping device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To allow a taping device, which tapes the spool outer periphery of a coil bobbin with an insulating tape, to tape the outer periphery of the spool in a contacting state rationally through simple constitution, and to lower the cost. SOLUTION: This device is equipped with a three-axial moving table 40, which is movable in three axial directions about the coil bobbin 1 supported by a winding jig 2 and also equipped with tape-forming jigs 50A and 50B, which can be elevated from the top surface of the three-axial moving table 40. The coil bobbin 1 is fitted sequentially in recessed parts formed in the tape forming jigs 50A and 50B and a pressing member, which is energized by a leaf spring presses the insulating tape 12 against a narrow surface 9A and a wide surface 9B, thus performing taping formation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a taping device for applying insulating taping to a coil bobbin.

[0002]

2. Description of the Related Art When a coil is formed by winding a wire around a metal core of a coil bobbin, an insulating tape is previously wound around the core of the coil bobbin to electrically insulate the core and the wire. Need to be kept. Conventionally, in a taping device for performing taping on such a coil bobbin, a winding start end of an insulating tape is attached to a core of the coil bobbin supported by the spindle, and by rotating the coil bobbin together with the spindle from this state, the winding core and The insulating tape sandwiched between the rollers has been wound around the outer periphery of the coil bobbin.

[0003]

However, in such a taping operation, a large force is applied to the coil bobbin when winding the insulating tape, especially when a chuck jig is used to support the coil bobbin on the spindle. If added, the coil bobbin may be tilted, so that the tension of the insulating tape cannot be increased too much.

For this reason, in the conventional taping work, the insulating tape is cut in advance to a required length,
While giving this insulating tape a weak tension that does not loosen,
A complicated process of rotating the coil bobbin is required, which complicates the taping device and increases the cost of the device.

The insulating tape is often wound only one turn to keep the outer diameter of the coil bobbin small, except when wound around a coil bobbin for high voltage. In order to enable only winding, the taping device needs to have a particularly precise configuration around the coil bobbin, which is technically difficult to configure, and the taping device has become more complicated and expensive. Was.

[0006] At both ends of the coil bobbin core, molded (for example, resin) molded portions (flanges) are formed.
However, there is a case where the resin of the mold part slightly extends to the core side. For this reason, the insulating tape is wound around the portion where the mold portion extends, and the insulating tape may float up from the outer periphery of the core by that much.

SUMMARY OF THE INVENTION The present invention has been made in view of such a problem. In a taping apparatus for taping an insulating tape on the outer periphery of a core of a coil bobbin, a simple structure for taping in a state of being closely attached to the outer periphery of the core is provided. It is an object of the present invention to provide a product that can be performed rationally and can reduce the cost.

[0008]

According to a first aspect of the present invention, in a taping device, a supporting means for supporting a coil bobbin, a cutting means for cutting an insulating tape from a tape source to a length required for taping, and a winding of the coil bobbin. A forming jig in which a concave portion having a width substantially equal to the width of the core is formed, a pressing member that extends and contracts inside the concave portion and presses the insulating tape against the coil bobbin accommodated in the concave portion,
Biasing means for biasing the pressing member toward the inside of the concave portion;
Moving means for moving the forming jig so that the coil bobbin supported by the supporting means is accommodated in the recess.

In the second invention, the core of the coil bobbin has a rectangular cross section, and a first forming jig in which a concave portion having a U-shaped cross section having a width substantially equal to a wide side surface of the core is formed. And a second forming jig in which a concave portion having a U-shaped cross section having a width substantially equal to the narrow side surface of the core is formed, wherein the pressing member is a first and a second forming jig. An insulating tape is pressed against the side surface of the coil bobbin that extends from the both side walls of the concave portion toward the inside of the concave portion and faces the both side walls of the coil bobbin accommodated in the concave portion.

According to a third aspect of the present invention, in the taping device, a supporting means for supporting the coil bobbin, a cutting means for cutting the insulating tape from the tape source to a length required for taping, and pressing the insulating tape against the core of the coil bobbin. A pressing member; triaxial movement means for moving the pressing member in a triaxial direction with respect to the coil bobbin supported by the support means; and the triaxial movement so that the pressing member moves along the outer periphery of the core of the coil bobbin. Control means for controlling the means.

In a fourth aspect of the present invention, the coil bobbin has a pair of flanges at both ends of a winding core, and the supporting means supports the coil bobbin by gripping one of the flanges, while the coil bobbin is provided at the time of taping to the coil bobbin. A holding member is provided for holding the other side of the flange to prevent the coil bobbin from tilting.

[0012]

According to the first and second aspects of the present invention, the insulating tape cut by the necessary length by the cutting means is attached to a part of the core of the coil bobbin, and the forming jig is moved. The core of the coil bobbin is fitted into the recess of the forming jig. Thereby, the insulating tape is pressed against the core by the pressing member while being folded along the recess along the shape of the core of the coil bobbin. Therefore, for example, even if there is a portion where the molding resin has protruded to the core side, the insulating tape is stuck to the core of the coil bobbin in a close contact state, and a gap is generated between the insulating tape and the core. It will not be lost. Further, since the configuration for such taping molding can be simplified, the cost of the taping device can be reduced.

In the third invention, the pressing member moves along the outer periphery of the core of the coil bobbin by the moving means controlled by the control means. Accordingly, the pressing member is pressed to the outer periphery of the winding core while folding the insulating tape so as to be wound around the winding core of the coil bobbin, so that the taping operation can be performed rationally. Further, since the configuration for such taping molding can be simplified, the cost of the taping device can be reduced.

In the fourth invention, the coil bobbin at the time of taping molding is pressed by the pressing member at the flange opposite to the flange supported by the supporting means, so that, for example, the supporting means clamps the flange. Even if it is, the coil bobbin can be prevented from tilting during the taping operation.

[0015]

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

FIG. 1 shows the entire configuration of a taping device according to a first embodiment of the present invention.

As shown near the lower right of FIG. 1, the coil bobbin 1 has one of a pair of flanges (molded portions) 1a provided at both ends thereof held by a clamp portion 2a at the tip of a winding jig 2. I have. The winding jig 2 is held on a pallet 3, and a plurality of pallets 3 are sequentially conveyed on a conveyor 4.

The coil bobbin 1 has a pair of flanges 1a.
And a winding core on which taping (and winding) is performed. The winding core has a rectangular cross section, and includes a pair of narrow surfaces 9A having a small width and a pair of wide surfaces 9B having a large width.

The index device 5 is provided between the transport conveyor 4 and the taping device main body 6. The index device 5 has a plurality of clampers 5a capable of gripping the winding jig 2 on both sides of the conveyor 4 and the taping device body 6 (both on the normal rotation side and the reversing side). .

A plurality of clampers 5a on the conveyor 4 side
Picks up, from the pallet 3, the winding jig 2 (the winding jig 2 to be subjected to the next taping operation) conveyed to the front of the indexing device 5 by the conveying conveyor 4. At this time, the clamper 5a on the taping device body 6 side includes:
The winding jig 2 previously subjected to the taping operation is gripped in advance.

From this state, the index device 5
After turning over 0 degrees, the plurality of winding jigs 2 to be subjected to the next taping operation are directed from the side of the conveyor 4 to the side of the taping device 6. At this time, since the plurality of winding jigs 2 on which the taping operation was performed last time are directed to the transport conveyor 4 side, the plurality of winding jigs 2 on which the taping operation is to be performed next are performed.
Is transferred to the empty pallet 3 and transported on the transport conveyor 4.

Thereafter, the indexing device 5 moves forward to the taping device main body 6 side, and holds the base end of the winding jig 2 to be next subjected to the taping operation by the plurality of clampers 5a. Are respectively fitted into a plurality of holding holes (spindle holes) 7 formed on the front surface of the. The holding holes 7 are provided corresponding to each of a plurality of winding jigs 2 (only two winding jigs 2 are shown in FIG. 1) on which taping work is performed at the same time, and are fitted into the holding holes 7. The winding jig 2 is rotatably held around a central axis by a driving unit (not shown) inside the holding hole 7.

When the plurality of winding jigs 2 are delivered to the holding holes 7 as described above, the index device 5 is retracted from the taping device main body 6 so as not to hinder the taping operation. When the taping operation is completed, the tapping device advances again to the taping device main body 6 and receives the winding jig 2 from the holding hole 7.

In this manner, the winding jig 2 which has been subjected to the taping operation is transferred from the taping device main body 6 side to the transport conveyor 4 side, and the transport jig 2 of the winding jig 2 to be subjected to the next taping operation. The delivery work from the side to the taping device body 6 side can be rationally performed simultaneously.

Above the winding jig 2 held in the holding hole 7, a taping moving table 10 is provided. A tape unit 11 corresponding to each winding jig 2 held in the holding hole 7 is fixed to the taping moving table 10.

Each of these tape units 11 is provided with a tape reel 11a. A plurality of tape guides 14 are provided at the lower end of the taping moving table 10 for each tape reel 11a.
The insulating tape 12 pulled out from 1a is guided by a guide roller 13 and fed out from a corresponding tape guide 14.

The taping table 10 is movable in a horizontal direction perpendicular to the axis of the winding jig 2 by a mechanism as shown in FIGS.

More specifically, the taping device body 6
A pair of guide shafts 15A and 15B extending in the horizontal direction perpendicular to the axis of the winding jig 2 are fixed to the upper surface, and the taping moving table 10 is slidable along these guide shafts 15A and 15B. Supported. These guide shafts 15
A cylinder 15 is fixed to A and 15B via a fixing plate 16, and a rod 17a of the cylinder 17 extends horizontally with the guide shafts 15A and 15B and is fixed to the taping moving base 10. With such a configuration, the taping moving table 10 moves along the guide shafts 15A and 15B as the rod 17a of the cylinder 17 expands and contracts.

As shown in FIG. 1, the taping device main body 6
On the front, a moving frame 20 is supported by a cylinder 21 so as to be movable in the front-rear direction (axial direction of the winding jig 2).
The moving frame 20 is provided with a guide shaft 22 that extends in a horizontal direction perpendicular to the axis of the winding jig 2. A rod 24A of a cylinder 24 extends in parallel with the guide shaft 22, and the same number of moving plates 23 as the winding jigs 2 held in the holding holes 7 are provided on the rods 24A. ) And the side of the tape guide 14, and is slidable along the guide shaft 22 by driving the cylinder 24.

As shown in FIG. 4 and FIG.
Has a guide holding pin 31, a bobbin holding pin 32,
The tape cutter 33 is supported.

More specifically, the guide holding pin 31
Is located on the side of the tape guide 14 above the coil bobbin 1 when the moving frame 20 moves forward, and is inserted into a through hole 34 formed in the moving plate 23 so as to be orthogonal to the tape guide 14. It is housed in a penetrating state. The guide holding pin 31 has flange portions 31a at both ends.
31b, these flange portions 31a, 3b
Since 1b has a larger diameter than the through hole 34, the guide holding pin 31 is prevented from falling out of the through hole 34. A spring 35 is provided between the flange portion 31a on the tape guide 14 side and the movable plate 23, and urges the guide holding pin 31 toward the tape guide 14.

The bobbin holding pin 32 is
0 is located on the side of the coil bobbin 1 below the tape guide 14 when the coil 0 advances, and a through hole formed in the connecting member 36 fixed to the lower end of the moving plate 23 so as to be orthogonal to the coil bobbin 1 37, it is accommodated in a penetrating state. The bobbin holding pin 32 has through holes 37 at both ends.
Flanges 32a and 32b having a larger diameter than that are provided so that the flanges 32a and 32b do not fall out of the through holes 37. A spring 38 is provided between the flange portion 32a on the coil bobbin 1 side and the connecting member 36, and the bobbin holding pin 32
Are biased toward the coil bobbin 1 side.

The tape cutter 33 is fixed so as to be sandwiched between the moving plate 23 and the connecting member 26. The blade of the tape cutter 33 is directed to the side of the insulating tape 12 pulled out from the tape guide 14, and the movable plate 23
As a result, the tape cutter 33 moves toward the insulating tape 12, whereby the insulating tape 12 is cut between the tape guide 14 and the coil bobbin 1. In this case, the guide pressing pin 31 urged by the spring 35 presses the tape guide 14, and the bobbin pressing pin 32 urged by the spring 38 presses the coil bobbin 1, so that the insulation between the tape guide 14 and the coil bobbin 1 is maintained. The tape 12 is cut smoothly without stretching.

At the time of this cutting, the position of the tape guide 14 in the left-right direction is adjusted to the above-described taping moving table 1.
The adjustment is made by the movement of 0, so that the insulating tape 12 from the tape guide 14 to the coil bobbin 1 is adjusted to be straight in the vertical direction (the direction orthogonal to the cutter 33).

As shown in FIG. 1, below the winding jig 2 held in the holding hole 7, a triaxial moving table 40 is provided. The three-axis moving base 40 is provided with a plurality of (one as shown) supporting arms 4 erected on the base 8 of the taping device main body 6.
Supported by 1. And these support arms 41
The three-axis moving table 40 can move in the three-axis direction (three-dimensional direction) by vertically moving and tilting back and forth and left and right by a driving unit (not shown). The three-axis operation of the three-axis moving base 40 is controlled by control means (not shown).

The winding jig 2 held in the holding hole 7 is provided on the side of the three-axis moving table 40 opposite to the taping device body 6.
Each time a chuck device 42 is provided. These chuck devices 42 each include a pair of chuck plates 43A and 43B that sandwich the insulating tape 12. These chuck plates 43A and 43B are connected to cylinders 45A and 4A, respectively.
5B is fixed to the rods 46A and 46B,
The expansion and contraction of A and 46B clamps the insulating tape 12 and releases the clamp.

A pair of tape forming jigs 50A and 50B is provided on the upper surface of the triaxial moving table 40 for each winding jig 2 held in the holding hole 7 in the vertical direction from the upper surface of the triaxial moving table 40. It is provided to be able to move up and down.

These tape forming jigs 50A, 50B
Is for forming a tape so that the insulating tape 12 is tightly adhered to the core of the coil bobbin 1. The tape forming jig 50A is
The tape forming jig 50B is used for taping to the wide surface 9B.
Used respectively.

As shown in FIGS. 6 and 7, the tape forming jig 50A has a lower part of the forming jig body 52A supported on the upper end of a rod 51A which is vertically expandable and contractible from the upper surface of the triaxial moving table 40. . In addition, a concave portion 53A cut out in a U-shaped cross section is formed in an upper portion of the molding jig body 52A. The width of the bottom surface of the recess 53A is
Is slightly wider than the wide portion 9B.

Pressing members 54A and 55A penetrate through both side walls of the recess 53A. Then, leaf springs 56A, 57A fixed to the side surfaces of the molding jig main body 52A are attached to ends of the pressing members 54A, 55A protruding to the side of the molding jig main body 52A, respectively.

At the time of taping molding, the coil bobbin 1
Is fitted into the recess 53A with the wide surface 9B to which the insulating tape 12 is attached facing the bottom of the recess 53A.

That is, at the time of taping molding by the tape molding jig 50A, the coil bobbin 1 supported by the winding jig 2 is rotated so that the wide surface 9B on which the insulating tape 12 is attached faces downward by rotation of the winding jig 2. The tape forming jig 50 </ b> A is disposed just below the coil bobbin 1 by holding and moving the triaxial moving table 40 (FIG. 6). By extending the rod 51A from this state, the narrow surfaces 9A on both sides of the coil bobbin 1 are sandwiched between both side surfaces of the concave portion 52A.

Then, the coil bobbin 1 is fitted into the concave portion 53A while pushing the pressing members 54A, 55A from the concave portion 53A with the pair of narrow surfaces 9A.
Therefore, the pressing members 54A and 55A
The force in the direction of pushing back into the concave portion 53A by A and 57A acts. As a result, when the coil bobbin 1 is fitted into the concave portion 53A, the insulating tape 12 wrapped around the narrow surface 9A facing the both side walls of the concave portion 53A is pressed by the pressing member 54.
A, 55A press against narrow surface 9A. As a result, the insulating tape 12 is attached to the narrow surface 9A of the coil bobbin 1.
Taped in close contact with

When the coil bobbin 1 is fitted into the recess 53A, the coil bobbin 1 is smoothly pressed.
For example, a taper may be formed at the upper end of the facing surface of the pressing members 54A and 55A so that the pressing members A and 55A can be pushed away.

The tape forming jig 50B is the same as the constituent elements 51A to 57A of the tape forming jig 50A.
(Illustration to FIGS. 6 and 7 is omitted). Then, in the tape forming jig 50B, the narrow portion 9A of the coil bobbin 1 is fitted into the concave portion 53B. Therefore, in the tape forming jig 50B, the width of the bottom surface of the concave portion 53B is set to be slightly wider than that of the narrow portion 9A of the coil bobbin 1. Also, the size of the pressing members 54B and 55B is appropriately changed according to the width of the wide portion 9B. Thus, each component 51B-5 of tape forming jig 50B
7B shows the components 51A to 51A of the tape forming jig 50A.
7A has the same configuration except that the size is different from that of 7A. Therefore, a more detailed description is omitted.

As shown in FIGS. 1 and 6, the chuck device 4
In the vicinity of the upper end of one of the two chuck plates (for example, chuck plate 42A as shown), a pressing member 46 extends toward the coil bobbin 1 and the tape forming jig 50A. The holding member 46 is a tape forming jig 5
When the coil bobbin 1 is fitted into the coil bobbin 0A or 50B, the three-dimensional movement of the three-axis
By horizontal movement of A, it comes into contact with the flange 1a opposite to the flange 1a gripped by the winding jig 2 of the coil bobbin 1 from above,
The coil bobbin 1 is pressed down on the tape forming jig 50A or 50B side. Thereby, when the taping molding operation is performed by the tape molding jig 50A or 50B,
The inclination of the coil bobbin 1 is prevented.

Next, an operation procedure of a taping method by the taping device of the present embodiment will be described with reference to FIGS.

In the taping operation, first, FIG.
As shown in (a), the movement of the triaxial carriage 40 causes the chuck device 42 to move immediately below the tape guide 14.

Then, as shown in FIG. 8B, the end of the insulating tape 12 fed from the tape guide 14 is
As shown in FIG. 8C, the gripper 42 is held by the chuck device 42, and
Is pulled out of the insulating tape 12 having a predetermined length. Specifically, a tape cutter 33 to be described later
Is the length required for taping work (in this embodiment, the length of the outer periphery of the coil bobbin 1 is 1 mm).
(The length of the turn).

Subsequently, as shown in FIG. 8D, the insulating tape 12 between the tape guide 14 and the chuck device 42 is moved by the horizontal movement of the taping moving table 10 and the triaxial moving table 40 so that the winding jig 2 is moved. Is moved to a position where it comes into contact with the winding core of the coil bobbin 1 supported by. In this case, the rotation position of the winding jig 2 is set such that the wide surface 9B of the winding core of the coil bobbin 1 is parallel to the vertical axis. As a result, the insulating tape 12 is stuck to just one wide surface 9B of the coil bobbin 1 (the wide surface 9B on the back side in the drawing).

Next, as shown in FIG. 9 (e), as the moving frame 20 advances, the guide pressing pins 31, the bobbin pressing pins 32 and the tape cutter 33 provided on the moving plate 23 are moved to the tape guides 14, respectively. It is arranged on the side of the coil bobbin 1 and the insulating tape 12. The insulating tape 12 extending from the tape guide 14 to the coil bobbin 1
The position of the tape guide 13 in the left-right direction is adjusted by moving the taping movable base 10 so that the tape guide 13 is straight in the vertical direction (the direction perpendicular to the cutter 33).

Then, as shown in FIG. 9 (f), by moving the moving plate 23 horizontally to the coil bobbin 1 side,
The insulating tape 12 between the tape guide 14 and the coil bobbin 1 is cut by the tape cutter 33. In this case, the guide pressing pin 31 urged by the spring 35 presses the tape guide 14, and the bobbin pressing pin 32 urged by the spring 38 presses the coil bobbin 1, so that the insulation between the tape guide 14 and the coil bobbin 1 is maintained. The tape 12 is cut smoothly without stretching.

In this way, as shown in FIG. 9 (g), the moving plate 23 is retracted from the side of the coil bobbin 1 and the gripping of the insulating tape 12 by the chuck device 42 is released. Retreat from the vicinity of the coil bobbin 1. Then, one wide surface 9 of the coil bobbin 1
B is in a state where the insulating tape 12 has a length just necessary for the taping operation (in this embodiment, a length corresponding to one turn of the outer periphery of the coil bobbin 1).

Subsequently, as shown in FIG. 10 (h), the winding jig 2 is rotated 90 degrees, and the wide surface 9B of the coil bobbin 1 on which the insulating tape is stuck is directed straight downward.
Then, the tape forming jig 50 </ b> A is arranged directly below the coil bobbin 1 by the movement of the triaxial moving table 40.

From this state, the tape forming jig 50A is raised together with the extension of the rod 51A, and the core of the coil bobbin 1 is fitted into the recess 53A of the tape forming jig 50A as shown in FIG. Put in. Thus, the insulating tapes 12 on both sides of the wide surface 9B are folded on both sides (narrow portion 9A side) of the wide surface 9B. Then, the folded portion of the insulating tape 12 is pressed from both sides of the coil bobbin 1 by pressing members 54A and 55A on both side surfaces of the concave portion 53A, and is adhered to the narrow surface 9A on both sides of the coil bobbin 1 in a state of close contact ( (See FIG. 7). When taping is performed on the pair of narrow surfaces 9A of the coil bobbin 1 as described above, the tape forming jig 50A is lowered.

Next, as shown in FIG. 10 (j), the winding jig 2 is rotated 90 degrees so that one narrow surface 9A of the coil bobbin 1 is directed straight downward. And the three-axis carriage 4
By moving the tape bobbin 0, the tape forming jig 50B is disposed immediately below the coil bobbin 1.

From this state, the tape forming jig 50B is raised together with the extension of the rod 51B, and the core of the coil bobbin 1 is fitted into the recess 53B of the tape forming jig 50B as shown in FIG. Put in. Thereby, the portion (the portion reaching one end of the insulating tape 12) ahead of the portion attached to the narrow surface 9A facing downward of the insulating tape 12.
However, it is folded to the wide surface 9B side on which taping has not yet been performed. Then, the folded portion of the insulating tape 12 is pressed against the wide surface 9B by the pressing member 54B urged by the leaf spring 56B, and is adhered to the wide surface 9B in close contact. When the taping operation is completed, the tape forming jig 50B is once lowered.

Subsequently, as shown in FIG. 11 (l), the winding jig 2 is rotated 180 degrees, and the other narrow surface 9A of the coil bobbin 1 is turned upside down from FIG. 10 (j). Point straight down.

Then, as shown in FIG. 11 (m), the tape forming jig 50B is raised again, and the core of the coil bobbin 1 is fitted into the recess 53B. Thereby, a portion (a portion reaching the other end of the insulating tape 12) ahead of the portion attached to the narrow surface 9A facing downward of the insulating tape 12.
However, the folded portion of the insulating tape 12 is pressed against the wide surface 9B by a pressing member 55B urged by a leaf spring 57B, as shown in FIG. 10 (k). And is adhered to the wide surface 9B in close contact. This wide surface 9B
When the taping operation on the tape is completed, the tape forming jig 50B is lowered again.

In this manner, as shown in FIG. 11 (n), taping for exactly one turn is performed on the entire circumference of the winding core of the coil bobbin 1.

Incidentally, FIGS. 10 (i), (k), and FIG.
In the tape forming operation shown in (m), the coil bobbin 1 is pressed down from above by the pressing member 46 at the flange 1a on the opposite side to the side where the coil bobbin is gripped by the winding jig 2 so that the coil bobbin 1 does not tilt. Is done.

FIGS. 12 to 15 show a second embodiment of the present invention.

This embodiment is different from the first embodiment in that the tape forming jigs 50A and 50B are not provided, but a tape forming rod 60 is provided, and taping is performed by the tape forming rod 60A. Only in that it is performed by the pressing member 63.

As shown in FIGS. 12 to 14, one tape forming rod 60 is provided for each winding jig 2 accommodated in the holding hole 7 and is provided upright on the upper surface of the triaxial moving table 40. so,
Base end 61, shaft 62, pressing member 63, spring 64
Consists of The base 61 is fixed to the triaxial carriage 40, and the shaft 62 extends upward and contractably from the base 61. A rectangular parallelepiped pressing member 63 is provided at the tip of the shaft portion 62. Spring 64 arranged on the outer periphery of shaft portion 62
Is interposed between the pressing member 63 and the base end portion 61,
The pressing member 63 is pushed to the upper limit.

FIGS. 13 and 14 specifically show how taping is performed on the tape forming rod 60 by the pressing member 63. FIG.

When the taping operation is performed on the upper surface of the pressing member 63, as shown in FIG. 13, the upper surface of the pressing member 63 comes into contact with the wide surface 9B of the coil bobbin 1 facing downward from below, and moves to the wide surface 9B. Mold taping.
In this case, the pressing member 46 presses the flange 1a of the coil bobbin 1 (on the side opposite to that held by the winding jig 2) from above, thereby preventing the coil bobbin 1 from tilting.

When the taping operation is performed on the side surface of the pressing member 63, as shown in FIG. 14, the narrow surface 9A (or the wide surface 9B) of the coil bobbin 1 facing sideways.
, The side surface of the pressing member 63 is abutted from the side, and the narrow surface 9
Form taping to B. In this case, the pressing member 46 presses the flange 1 a of the coil bobbin 1 (on the side opposite to that held by the winding jig 2) from the side opposite to the tape forming rod 60 to prevent the coil bobbin 1 from tilting.

FIG. 15 shows a procedure of a taping molding operation in the present embodiment. In this embodiment, the same steps as those shown in FIGS. 8 and 9 in the first embodiment are performed, and the steps shown in FIGS. 8, executed following the steps shown in FIG.

As shown in FIG. 15 (a), the coil bobbin 1 is rotated 90 degrees from the state shown in FIG. 9 (g), and the wide surface 9B to which the insulating tape 12 is adhered is directed straight downward. Then, the tape forming rod 60 is raised from directly below the coil bobbin 1 by the movement of the three-axis moving base 40 controlled by the control means.

Then, as shown in FIG. 15 (b), the upper surface of the pressing member 63 of the tape forming rod 60 is brought into contact with the downwardly facing wide surface 9B from below (via the insulating tape 12), and the spring is formed. The urging force of 64 causes the pressing member 63 to be pressed against the wide surface 9B. From this state, the tape forming rod 60 is moved two-dimensionally along the wide surface 9B (XY plane) by the movement of the triaxial moving table 40 controlled by the control means, and the insulating tape 12 of the wide surface 9B is adhered. The taping is formed over the entire area.

When the taping on one wide surface 9B is completed, the pressing member 63 of the tape forming rod 60 is moved as shown in FIG. (Insulating tape 1)
(Via 2). At this time, the insulating tape 12 remaining on the left side of the wide surface 9B is pressed by the pressing member 63 and folded toward the narrow surface 9A. From this state, the pressing member 63 is moved back and forth along the narrow surface 9B (along the X axis) by the movement of the three-axis movable base 40 controlled by the control means, and taping is performed on the narrow surface 9B. I do.

When the taping on the narrow surface 9B is completed, the coil bobbin 1 is rotated 90 degrees as shown in FIG. 15 (d) so that the wide surface 9B facing upward is turned sideways and pressed. The member 63 is moved so that the side surface thereof abuts. At this time, the insulating tape 12 remaining on the side of the narrow surface 9A is pushed by the pressing member 63 and folded toward the narrow surface 9B. From this state, the pressing member 63 is moved two-dimensionally along the wide surface 9B (XZ plane), and the wide surface 9B is moved.
Taping molding is performed.

When the taping on the wide surface 9B is completed, the coil bobbin 1 is rotated by 90 degrees as shown in FIG. 15 (e), and the opposite side of the narrow surface 9A formed by the taping in FIG. Taping on the narrow surface 9A (right side in the figure) is performed in the same procedure as in FIG.

When the taping on the narrow surface 9A is completed, the coil bobbin 1 is rotated 90 degrees as shown in FIG. 15E, and the same procedure as in FIG.
The remaining insulating tape 12 on the side of the narrow surface 9A formed by taping in (e) is formed by taping on the wide surface 9B.

In this way, one turn of taping is formed over the entire circumference of the core of the coil bobbin 1.

As described above, according to the present invention, taping of the insulating tape 12 on the coil bobbin 1 is performed by using the tape forming jigs 50A and 50B or the pressing member 63 of the tape forming rod 60 to form the core of the insulating tape 12 on the core. The insulating tape 12 is stuck to the core of the coil bobbin 1 in a completely adhered state, for example, by pressing the insulating tape 12 on the narrow surface 9A and the wide surface 9B. Even if the insulating tape 12 extends to the narrow surface 9A and the wide surface 9B), the insulating tape 12 does not rise from the outer periphery of the core.

The tape forming is performed by pressing the tape forming jigs 50A and 50B or the pressing member 6 of the tape forming rod 60.
3 and can be rationally executed in a simple procedure by a simple procedure. Therefore, even with a taping device for taping one turn to the winding core of the coil bobbin 1, the configuration can be simplified and the cost can be reduced.

Also, by using the pressing member 46 in combination with the tape forming jigs 50A and 50B or the tape forming rod 60, the coil bobbin 1 gripped by the winding jig 2 is prevented from being inclined during taping. it can.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram showing a taping device according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a taping moving table.

FIG. 3 is a plan view showing the taping moving table.

FIG. 4 is also a guide holding pin, a bobbin holding pin,
FIG. 3 is a perspective view illustrating a configuration around a tape cutter.

FIG. 5 is also a guide holding pin, a bobbin holding pin,
It is a side view which shows the structure around a tape cutter.

FIG. 6 is a perspective view showing a configuration around a tape forming jig and a pressing member.

FIG. 7 is a plan view showing the same tape forming jig.

FIG. 8 is an explanatory view showing a procedure of a taping operation.

FIG. 9 is an explanatory view showing a procedure of a taping operation.

FIG. 10 is an explanatory diagram showing a procedure of a taping operation.

FIG. 11 is an explanatory view showing a procedure of a taping operation.

FIG. 12 is an overall configuration diagram showing a taping device according to the first embodiment of the present invention.

FIG. 13 is a perspective view showing a configuration around the tape forming rod.

FIG. 14 is a perspective view showing a configuration around the tape forming rod.

FIG. 15 is an explanatory diagram showing a procedure of a taping operation.

[Description of Signs] 1 Coil bobbin 1a Flange (molded portion) 2 Winding jig 6 Taping device main body 7 Holding hole 9A Narrow surface 9B Wide surface 11 Tape unit 11a Tape reel 14 Tape guide 23 Moving plate 31 Guide holding pin 32 Bobbin Pressing pin 33 Tape cutter 40 Triaxial slide 42 Chuck device 46 Pressing member 50A Tape forming jig 51A Rod 52A Molding jig main body 53A Depression 54A Pressing member 55A Pressing member 56A Leaf spring 57A Leaf spring 50B Tape forming jig 51B Rod 52B Forming jig body 53B Recess 54B Pressing member 55B Pressing member 56B Leaf spring 57B Leaf spring 60 Tape forming rod 61 Base end 62 Shaft 63 Pressing member 64 Spring

Claims (4)

[Claims] 1. A molding method in which a supporting means for supporting a coil bobbin, a cutting means for cutting an insulating tape from a tape source to a length required for taping, and a concave portion having a width substantially equal to a width of a core of the coil bobbin are formed. A jig, a pressing member that extends elastically inside the concave portion and presses the insulating tape against the coil bobbin housed in the concave portion, and a biasing unit that urges the pressing member toward the inside of the concave portion; Moving means for moving the forming jig so that the coil bobbin supported by the supporting means is accommodated in the recess. 2. The coil bobbin has a core having a rectangular cross section, a first forming jig having a U-shaped cross section having a width substantially equal to a wide side surface of the core, and a winding jig. A second molding jig in which a concave portion having a U-shaped cross section having a width substantially equal to that of the narrow side of the core is formed, and the pressing member is provided on both sides of the concave portions of the first and second molding jigs. 2. The taping device according to claim 1, wherein an insulating tape extends from the wall to the inside of the recess and presses a side surface facing the both side walls of the coil bobbin accommodated in the recess. 3. 3. A supporting means for supporting a coil bobbin, a cutting means for cutting an insulating tape from a tape source to a length required for taping, a pressing member for pressing the insulating tape against the core of the coil bobbin, Triaxial moving means for moving the coil bobbin supported by the supporting means in three axial directions; andcontrol means for controlling the triaxial moving means so that the pressing member moves along the outer periphery of the core of the coil bobbin. A taping device comprising: 4. The coil bobbin has a pair of flanges at both ends of a winding core, and the support means grips one of the flanges to support the coil bobbin, and the other of the flanges during taping to the coil bobbin. The taping device according to any one of claims 1 to 3, further comprising a pressing member for pressing the coil bobbin so that the coil bobbin does not tilt.