JP2002134347A - Winding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a winding device that can efficiently wind a winding core with a plurality of wires to make a coil. SOLUTION: A work-grasping member 71 for grasping a core 10 is successively indexed by an indexing device 34 and is wound. At the beginning of winding, wires 3A and 3B rewound in parallel from a nozzle 1 are respectively engaged with guide pins 5A and 5B, and the nozzle 1 is moved from the outside of a flange 12 of the core 10 to a winding side 11 in the axial direction of the core 10, so that the wires 3A and 3B are respectively led to electrodes 13A and 13B on the winding start side and are welded thereto. At the end of winding, the wires 3A and 3B are retained with a we retaining member 20, before electrodes 13A and 13B on the winding end side, and the nozzle 1 is moved to the outside of a flange 14 on the winding end side of the core 10, so that the wire materials 3A and 3B are respectively led onto electrodes 15A and 15B and are welded thereto. The wire-retaining member 20 is provided for each work-grasping member 71.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a winding device for forming a coil by winding a plurality of wires around a core.

[0002]

2. Description of the Related Art Conventionally, a winding device for winding a plurality of wires in parallel around a core has been known (see, for example, JP-A-7-57953 and JP-A-8-222465). ).

[0003]

In such a winding device, the winding start end and the winding end end of the coil can be efficiently fixed (positioned) to the terminal electrode, and the winding on the winding portion of the winding core can be performed. In addition, those capable of performing a reasonable winding operation have been demanded.

The present invention has been made in view of such a problem. In a winding apparatus for forming a coil by winding a plurality of wires around a winding core, a winding start end and a winding end end of the coil are formed. It is an object of the present invention to provide a device that can efficiently perform fixing to a terminal electrode and winding around a winding portion.

[0005]

According to a first aspect of the present invention, in a winding device for winding a plurality of wires around a core to form a coil, the plurality of wires are wound in the axial direction of the core. By leading to the winding part side from the outside of the start end, the same number of wires as those provided on the winding start end side of the winding core are arranged on the winding start side electrodes, and the plurality of wires are correspondingly placed on the winding start side. Fixed to an electrode, pulling out the plurality of wires in the transverse direction with respect to the axis of the winding core from the fixed portion to the winding start side electrode, winding the plurality of wires in parallel around the winding portion outer circumference, The winding end portions of the plurality of wires wound in parallel to the winding portion are temporarily fixed by wire pressing means, and the plurality of wires are axially directed from the fixing portion by the wire pressing means to the core axis. The winding end of the winding core is guided from the winding portion of the winding core to the outside of the winding end end. Each on Litan portion side provided with the wire and the same number of winding end side on electrodes, with a winding means for securing said plurality of wires to a corresponding winding end side electrode.

According to a second aspect of the present invention, there are provided a plurality of gripping means for gripping the winding core, and an indexing means for sequentially indexing the plurality of gripping means to a winding position. The winding operation is performed on the wound core held by the gripping means, and the same number of the wire pressing means as the gripping means are provided for each gripping means.

According to a third aspect of the present invention, there is provided a welding device for welding the plurality of wires to the winding start side electrode and the winding end side electrode, and the plurality of wires are fixed to the winding start side electrode by the welding device. By welding.

In a fourth aspect, the welding apparatus includes a welding electrode and a servo mechanism for moving the welding electrode to a position where a welding operation is to be performed.

According to a fifth aspect of the present invention, a core supporting member for supporting the core from the side opposite to the welding electrode during the welding operation by the welding device, and holding means for holding the core opposite to the welding electrode. Gripping means supporting member supporting from the side,
Integrated.

According to a sixth aspect of the present invention, the plurality of wires are provided with the same number of guide pins, and the plurality of wires are locked on the corresponding guide pins, respectively, so that the plurality of wires are on the corresponding winding start end side electrodes. It is led to.

In a seventh aspect, the winding means includes the same number of spindles as the number of the gripping means for each of the gripping means, for rotating the gripping means around an axis.

In an eighth aspect, the winding means includes a nozzle moving means for moving a nozzle for feeding the plurality of wires in parallel in a three-dimensional direction, and a nozzle rotating means for changing a tilt angle of the nozzle. With.

[0013]

According to the first aspect of the present invention, the plurality of wires are guided from the outside of the winding start end of the core onto the corresponding winding start side electrode, and are fixed to the winding shaft. By being pulled out in the horizontal direction, it is turned in the winding direction,
It is wound around the winding part as it is. Further, the plurality of wires wound around the winding portion of the core are temporarily fixed by wire pressing means, and then are moved in the axial direction (in a direction substantially orthogonal to the direction of the wire at the time of winding). ) Pulled out and fixed (for example, welded) to the corresponding winding end side electrode. Therefore, for a plurality of wires, the transition from the fixing operation to the winding start electrode to the winding operation to the winding portion, and the transition from the winding operation to the winding portion to the fixing operation to the winding end electrode are performed in parallel. It can be performed smoothly and efficiently, and can perform efficient and rational winding work.

In the second invention, the wire holding means (for example,
Since the wire holding member 20 in the embodiment is provided for each gripping unit (for example, the work holding member 71 in the embodiment), the position of the wire holding unit is adjusted each time a new core is indexed to the winding position. It is not necessary to perform the fixing, and the fixing by the wire holding means can be performed efficiently and with high accuracy.

In the third aspect of the present invention, since the plurality of wires are fixed to the winding start side electrode by welding, the operation of electrically connecting the wire to the winding start side electrode is performed by a plurality of wires for drawing in the winding direction. Can also be used for fixing the wire rod. Therefore, wire holding means is not required for fixing the wire at the winding start side, so that the coil manufacturing operation can be simplified and the cost can be reduced.

In the fourth aspect, since the welding electrode is moved by the servo mechanism, the welding electrode can be accurately positioned.
Efficient and accurate welding work can be performed.

In the fifth invention, the core supporting member for supporting the core from the side opposite to the welding electrode and the holding means supporting member for supporting the holding means are integrated, so that the force applied from the welding electrode during the welding operation is reduced. On the other hand, the core and the gripping means are integrally and stably supported. Therefore, the welding operation can be performed stably.

In the sixth aspect, the plurality of wires are appropriately positioned by being locked to the corresponding guide pins, and are correctly guided on the corresponding winding start side electrodes. Therefore, it is possible to efficiently introduce and fix a plurality of wires to the winding start side electrode.

In the seventh aspect, since the spindle for rotating the gripping means is provided for each gripping means, it is not necessary to link the gripping means and the spindle each time the winding position is determined. Efficient winding work can be performed on the core that is determined.

In the eighth aspect, the plurality of wires are guided and wound by the three-dimensionally moving and tilting operation of the nozzle that feeds the wires, so that the wire is fixed from the winding start side electrode to the winding portion. The transition from the winding operation to the winding operation and the transition from the winding operation to the winding part to the fixing operation to the winding end side electrode can be easily performed, and a reasonable and efficient winding operation can be performed. I can do it.

[0021]

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

FIG. 1 is a perspective view showing the overall configuration of the winding device of the present embodiment. As shown in the figure, the winding device is composed of a parts feeder 32, a palletizer 33, a work supply / discharge device 40, and an index device 3 on a base 31.
4, a winding mechanism 60, a nozzle mechanism 80, and a welding device 90.

FIG. 2 shows a configuration centered on the work supply / discharge device 40.

As shown, the parts feeder 32
Includes a mortar-shaped core accommodating recess 32A, a rail 32B spirally extending from the inner surface of the core accommodating recess 32A along the upper side, and a holding mechanism 32C provided at an end portion of the rail 32B. The core (work) 10 supplied to the core accommodating recess 32A is transported to the end along the rail 32B. At the end of the rail 32B, the leading core 10 on the rail 32B is temporarily held by the holding mechanism 32C and then supplied to the work supply / discharge device 40.

The work supply / discharge device 40 receives the core 10 from the parts feeder 32 and delivers it to the work holding member 71 of the winding mechanism 60, and also winds the wound core 10 (completed chip coil). This is a device that receives from the mechanism 60 and transports it to the palletizer 33.

More specifically, the delivery of the core 10 to the winding mechanism 60 is performed by the workpiece supply robot hand 41. The workpiece supply robot hand 41 is
It is supported by a substantially inverted L-shaped support plate 42 via a vertical movement mechanism 43 so as to be able to move up and down. The support plate 42 is moved in the front-rear direction (the parts feeder 32
(The direction connecting the end of the rail 32B) to the workpiece gripping member 71 of the winding mechanism 60 (the front-back direction substantially corresponds to the left-right direction in the drawing). Due to the combination of the vertical movement by the vertical movement mechanism 43 and the front-back movement by the front-rear movement mechanism 44, the work supply robot hand 41 receives the core 10 from the holding mechanism 32C of the parts feeder 32, It is movable between a position where the core 10 is delivered to the 30 work holding members 71.

A work push rod 45 operable in the front-rear direction by a front-rear movement mechanism 44 is provided below the work supply robot hand 41. This work push rod 45
Is for pushing the core 10 gripped by the workpiece gripping member 71 at its tip end and pushing it deep into the gripping portion 61A. The work push rod 45 also functions as a detection sensor for checking whether or not the core 10 is held by the work holding member 71.

On the other hand, from the winding mechanism 60 to the palletizer 33
The core 10 is discharged to the robot hand 5 for discharging the workpiece.
Done by one. Robot hand 51 for workpiece discharge
Is supported by a substantially inverted L-shaped support member 52 via a vertical movement mechanism 53 so as to be able to move up and down. This support member 52
Is moved in the left-right direction (the direction perpendicular to the front-back direction) by the left-right moving mechanism 54. By the combination of the up-down movement by the up-down movement mechanism 53 and the left-right movement by the left-right movement mechanism 54, the work discharging robot hand 51 moves the core 10 out of the work gripping member 71 of the winding mechanism 30 and the winding position. It is movable between a position where the core 10 is transferred to the palletizer 33 adjacent to the line mechanism 30.

FIG. 3 shows a configuration centering on the winding mechanism 60.

As shown, the winding mechanism 60 is mounted on the index device 34 so as to be rotatable about a vertical axis, and is configured by combining two spindle mechanisms having the same configuration. I have.

Each of the spindle mechanisms includes a work gripping mechanism 70, a spindle 61, a spindle support 62, a spindle drive motor 63, a wire holding member 20, a wire holding drive mechanism 64, a guide pin mechanism 65, and a welding support member 6.
6. It comprises a support member elevating mechanism 67 and the like.

Each spindle mechanism has an index device 3
4, are arranged approximately 180 degrees apart from each other in a back-to-back state. One spindle mechanism has the tip of the work gripping member 71 facing the work supply / discharge device 40 side, and the other spindle mechanism has the tip of the workpiece gripping member 71 facing the work. Nozzle mechanism 80
Turned to the side. Then, when the index mechanism 34 rotates the winding mechanism 60 around the vertical axis by 180 degrees (index operation), the spindle mechanism facing the work supply / discharge device 40 and the spindle mechanism facing the nozzle mechanism 80 move together. The positions are switched.

The work holding mechanism 70 includes a work holding member 71 for holding the core 10, a work release member 76, a work release cylinder 77, and the like.

As shown in FIG. 4, the work holding member 71
Is a scissor-type member, and includes a fixed blade 72 fixed to the spindle 61, a connecting member 73 fixed to the fixed blade 72, and a rotatable pivotal support point 73A with respect to the connecting member 73. And a movable blade 74 which is supported by the shaft. By the rotation of the movable blade 74 with respect to the fixed blade 72,
The holding portion 71A, which is a recess cut out on the upper surface of the distal end of the fixed blade 72 and the moving blade 74, is opened and closed, and the flange 14 at the base end of the core 10 is sandwiched between the holding portions 71A. In this case, a spring 75 is provided between the fixed blade 72 and the proximal end of the movable blade 74.
Is provided, and always urges the movable blade 72 in a direction in which the grip portion 71A is closed (a direction in which the core 10 is sandwiched and fixed).

The work holding member 71 is opened and closed by a work opening cylinder 77. To elaborate,
At the base end side of the movable blade 74, an extension 74A extending laterally is provided.
Is provided. The end face of the extension 74A is
The roller 76A of the work releasing member 76 contacts the cam surface 74B and rolls. The work release member 76 is fixed to a rod 77A of a work release cylinder 77. With such a configuration, when the work release cylinder 77 contracts, the roller 76A moves to the cam surface 74B.
As a result of rolling on the upper side, the moving blade 74 is pushed open, and the core 10
Can be detached from the work holding member 71.

In discharging the work, the wires 3A and 3B on the winding end side are tied to a pair of discard tying pins 78A and 78B provided upright on the upper surface of the fixed blade 72.
Thus, the wires 3A and 3B are cut at the welding portion (see FIG. 7) on the winding start side by the tension when the core 10 is extruded.

As shown in FIG. 3, the spindle 61 is a shaft rotatably supported on a spindle support base 62 around an axis, and a work gripping member 71 is fixed to a tip end thereof. The core 10 gripped by the workpiece gripping member 71 is arranged coaxially with the spindle 10.

A proximal end 61 A of the spindle 61 is connected to a pulley 68 fixed to a rotation shaft of a spindle drive motor 63.
With the belt 69. Accordingly, the spindle 61 is driven to rotate by the spindle drive motor 63, and the core 10 held by the work holding member 71 rotates around the axis. Due to the combination of the rotation of the spindle 61 and the three-dimensional movement of the nozzle 1 of the nozzle mechanism 80, the wires 3A and 3B drawn out of the nozzle 1 become core 1
0 is wound.

As shown in FIG. 4, the wire holding member 20 is a rod-shaped member disposed above the work holding member 71 at a substantially right angle in the axial direction of the spindle 61, and will be described later in the description of the winding method. So that the winding work (wire 3A,
3B), the wires 3A and 3B are pressed from above to fix the position (see FIG. 11). The wire holding drive mechanism 64 is provided with the wire holding member 20.
Is driven in the front-rear direction (the axial direction of the spindle 61) and in the up-down direction.
It moves to a position where the wires 3A and 3B on the core 10 are pressed.

As described above, since the wire holding member 20 and the wire holding driving mechanism 64 are provided for each work holding member 71, if the positional relationship between the wire holding member 20 and the core 10 is adjusted in each spindle mechanism, The wire holding member 20 can be brought to an appropriate position with respect to the core 10 during the winding operation. That is, for example, when the wire holding member 20 is provided only on the nozzle mechanism 80 side, it is necessary to adjust the positional relationship between the wire holding member 20 and the core 10 every indexing operation. Is provided for each work gripping member 71, there is no need to make such an adjustment. Therefore, the winding operation can be made more efficient, and the accuracy of the winding operation can be improved.

As shown in FIG. 3, the guide pin mechanism 65
Is composed of an elevating member 65A having a pair of guide pins 5A, 5B standing upright on an upper end surface, and an up-down driving mechanism 65B for driving the elevating member 65A in the up-down direction. As described later in the description of the winding method, the guide pins 5A and 5B are pins on which the wires 3A and 3B on the winding start side are locked, respectively.
It rises to the front of the core 10. Also, the wires 3A, 3B
After welding to the core 10 on the winding start side (see FIG. 6),
If the lifting member 65A is further raised by the vertical drive mechanism 65B, the wires 3A and 3B are cut by the tension at the welded portion on the winding start side.

The welding support member 66 holds the core 10 and the work gripping member 71 from below so as to oppose the force by which the welding electrode 91 presses the core 10 from above when the wires 3A and 3B are welded to the core 10. It is a supporting member. The support member elevating mechanism 67 is a mechanism for driving the support member 66 in the vertical direction during welding. At the time of welding, the support member 66 at the time of welding is raised by the support member elevating mechanism 67 to a position where it comes into contact with the core 10 and the back surface of the work holding member 71.

FIG. 5 shows how the core 10 and the work holding member 71 are supported by the support member 66 during welding.

As shown in the figure, the core 10 has a grip portion 7 of a workpiece gripping member 71 at a flange portion 14 on the base end side.
1A, the workpiece gripping member 71 is the core 1
Since it is much larger than 0, a step is generated between the back surface of the core 10 and the back surface of the work holding member 71. Therefore, the holding member 71 is attached to the welding support member 66.
Holding member 66B for supporting the back surface of the workpiece, and work supporting portion 66D for supporting the tip side (the flange 14 side) of the core 10.
Are provided integrally.

More specifically, the support member 66 during welding is used.
Is a support member main body 66A, and a work support member 66 fixed to a side surface of the support member main body 66A on the front end side of the core 10.
C. The upper surface of the support member main body 66A serves as a gripping member support portion 66B, and abuts against the back surface of the gripping member 71.
On the other hand, the work support member 66C extends above the support member main body 66A by the step difference between the back surface of the core 10 and the back surface of the work gripping member 71, and the work support portion 66D on the upper end surface thereof is closer to the tip of the core 10. To support the core 10.

As described above, in the present embodiment, the supporting member main body 66A for supporting the workpiece gripping member 71 during welding,
Since the work supporting member 66C supporting the core 10 is integrated as the supporting member 66 at the time of welding, the core 10 can be stably supported, and the welding operation can be stably performed. In the present embodiment, a member (support member main body 66A) that supports the workpiece holding member 71 and the core 10
Although the member (work holding member 66C) for supporting the member is a separate member, these members may be formed of one member.

FIG. 6 shows a configuration centering on the nozzle mechanism 80 and the welding device 90.

The nozzle mechanism 80 includes a nozzle support member 81
And a three-dimensional nozzle moving mechanism 82 for moving the nozzle support member 81 in a three-dimensional direction.

The three-dimensional nozzle moving mechanism 82 is driven by a servomotor to move the three-dimensional nozzle
It is configured by combining (overlapping) two ball screw mechanisms.

The nozzle support member 81 supports the nozzle 1 rotatably about an axis. The nozzle 1 has two wires 3A and 3B inserted therethrough, and includes wire feeding portions 2A and 2B disposed at a lower end surface of the nozzle 1 with a predetermined width. From these wire feeding portions 2A and 2B, two wires 3A and 3B wound by bifilar are respectively fed in parallel.

The nozzle support 81 has a servo motor 83
Is provided. The servo motor 83 includes a pulley 84,
In cooperation with the nozzle 1 via the belt 85 and the pulley 86, the rotation angle of the nozzle 1 (inclination in the plane of FIGS. 7 to 11 described later) can be changed.

The winding operation is performed by a combination of the rotation of the spindle 61 in the winding mechanism 60 and the three-dimensional movement and rotation of the nozzle 1 in the nozzle mechanism 80.
Be executed.

The welding device 90 comprises a welding electrode 91 to which a large current can be applied, and a servo moving mechanism 92 for moving the welding electrode 91 in a three-dimensional direction.

The servo moving mechanism 92 includes a servo motor 93
Front and rear ball screw mechanism 93A driven by A
And a left and right ball screw mechanism 94B driven by a servomotor 94A, and a cylinder 9 that expands and contracts in the vertical direction.
5 is combined (superimposed).

The welding of the wires 3A and 3B at the beginning of winding of the winding to the core 10 and the beginning of the winding is performed by the electrode 13 of the core 10.
A, 13B or wire rod 3 arranged on 15A, 15B
A and 3B (see FIGS. 7 and 11) are pressed by pressing the welding electrode 91 from above, and a large current is caused to flow through the welding electrode 91. In this case, since the welding electrode 91 is moved by the three-dimensional servo moving mechanism 92, the positioning can be performed accurately.

Next, a winding method using this winding device will be described with reference to FIGS.

As shown in FIG. 7, the ends of the wires 3A and 3B fed out of the nozzle 1 are connected to the disposal pins 4 (FIGS. 1 to 3).
(Not shown in FIG. 6). By moving the nozzle 1 three-dimensionally and rotating from this state, the wires 3A and 3B are locked by the guide pins 5A and 5B, respectively. The intervals between the guide pins 5A and 5B are substantially the same as the electrodes 13A and 13B of the core 10 described later.

The core 10 serving as a winding core includes guide pins 5A,
5B, the gripping portion 71 of the workpiece gripping member 71
A. The core 10 is a flat, substantially rectangular parallelepiped member constituting the core of the chip coil.
A winding portion 11 around which B is wound, and flange portions 12 and 14 at both ends of the winding portion 11 in the axial direction. The flanges 12 and 14 are a winding start side end and a winding end side end of the core 10, respectively.

The flange 12 has winding-side electrodes 13A, 1A,
3B, and an electrode 15A at the end of winding on the collar portion 14,
15B are provided respectively. Electrodes 13A and 13B,
The electrodes 15A and 15B respectively extend on the same plane of the core 10 (for example, on the plane shown in FIG. 7) in a direction substantially parallel to the axial direction of the core 10, and are arranged at predetermined intervals. These electrodes 13A, 13B and electrodes 15A, 15B serve as terminal electrodes of the completed chip coil.

The flange 12 is disposed on the side of the guide pins 5A and 5B. At the start of the winding operation, first, by bringing the nozzle 11 to the winding part 11 side beyond the flange part 12, the wires 3A and 3B are respectively placed on the electrodes 13A and 13B of the flange part 12, The core 10 is arranged so as to extend in the axial direction. In this case, the interval between the wires 3A and 3B is adjusted by tilting the nozzle 1.

Thus, the wires 3A, 3B are connected to the electrodes 13A,
13B, the arranged portion is connected to the electrode 1
3A and 13B are fixed by welding. This welded portion is the winding start side of the coil.

When such welding is performed, the nozzle 1 is moved in the lateral direction with respect to the axis of the core 10 as shown in FIG. In this case, since the wires 3A and 3B at the winding start end are welded onto the electrodes 13A and 13B, the wires 3A and 3B are wound.
B is drawn out in a substantially right angle direction from the ends of the windings 11 of the electrodes 13A and 13B (right angle insertion).

Subsequently, as shown in FIG.
By moving the nozzle 1 in the axial direction of the core 10 (rightward in the figure) while rotating the core 10 by the rotation of 1, the wires 3A and 3B are wound around the winding portion 11. In this case, the wire 3A, 3
The tilt angle of the nozzle 1 is adjusted so that B is wound alternately with no gap.

Such a winding is performed by the flange 14 of the winding part 11.
When the end is made up to the side end, as shown in FIG. 10, the three-dimensional moving and rotating operation of the nozzle 1 causes the wires 3A, 3B
Are arranged at the ends of the electrodes 15A and 15B on the winding part 11 side.

After the wires 3A and 3B are arranged in this way, as shown in FIG. 11, the wires 3A and 3B are pressed and fixed by the wire pressing member 20 at a position short of the flange 14. Then, by moving the nozzle 1 beyond the flange 14 in the axial direction of the core 10, the wire 3A,
3B is pulled out of the core 10 in the axial direction. This allows
The wires 3A and 3B are pulled out at substantially right angles from the direction at the time of winding on the winding portion 11 (right angle drawing), and each of the electrodes 1A and 3B
5A and 15B are provided to extend in the axial direction of the core 10. In this case, the interval between the wires 3A and 3B is adjusted by tilting the nozzle 1.

Subsequently, the wires 3A and 3B disposed on the electrodes 15A and 15B are welded to the electrodes 15A and 15B. When the welding is completed, the fixing by the wire holding member 20 is released, and the electrodes 13A, 13B and the electrode 15 are released.
The extra wires 3A, 3B extending from both A, 15B to both sides in the axial direction of the core 10 are cut, and the winding operation is completed to complete the chip coil.

As described above, according to the present winding method, the wires 3A and 3B are guided onto the winding-start electrodes 13A and 13B by the three-dimensional movement and rotation of the nozzle 1, and the electrodes 13A and 13B After being welded to the core 10, the core 10 is pulled out laterally (inserted at right angles) with respect to the axis of the core 10, and
Wound around one. After the winding on the winding portion 11 is completed, the wires 3A and 3B are pressed by the wire pressing member 20 and are drawn out in the axial direction of the core 10 (right-angled), so that the electrodes 15A on the winding end side, Guided on 15B and welded. Therefore, a plurality of wires 3A, 3B
The transition between the steps (welding to the electrodes 13A and 13B, inserting at right angles, winding to the winding part 11, winding at right angles, and welding to the electrodes 15A and 15B) simultaneously proceeding is smoothly performed, and the plurality of wires 3A 3B, these series of operations can be performed efficiently.

The wires 3A, 3B at the time of right angle insertion
Is fixed by welding to the electrodes 13A, 13B, so that the work of electrically connecting the wires 3A, 3B to the electrodes 13A, 13B can also serve as the fixing of the wires 3A, 3B for inserting at right angles. . Therefore, wire holding means for right-angle insertion is not required, so that the coil manufacturing operation can be simplified and the cost can be reduced.

In the winding start side, the wires 3A, 3A
B is introduced onto the electrodes 13A and 13B after being engaged with the guide pins 5A and 5B, respectively.
Accurate introduction on A and 13B can be easily performed, and the winding work can be made more efficient.

Next, the overall operation will be described.

The core 1 supplied to the parts feeder 32
0 is conveyed on the rail 32B, and the work supply / discharge device 4 of the winding mechanism 60 is moved by the work supply robot hand 41.
It is mounted on the workpiece gripping member 71 facing the 0 side.

As described above, when the core (work) 10 to be newly wound is mounted on the work holding member 71, the winding mechanism 60 is inverted by the index device 34, and the work holding member 71 Is disposed on the nozzle mechanism 80 side. In this case, the work gripping member 71 on the nozzle mechanism 80 side before the reversal is provided with the core 10 for which the winding has been completed.
The core 10 is moved to the work supply / discharge device 40 side by reversing. The core 10 (completed chip coil) for which the winding has been completed is transferred to the palletizer 33 by the work discharging and melting robot hand 51. The workpiece gripping member 71 from which the core 10 has been removed
The core 10 to be wound next time is mounted by the workpiece supply robot hand 41.

The core 10 carried to the nozzle mechanism 80 side
As described in the description of the winding method, the wire 3A,
3B is wound.

In this winding operation, the wire rods 3A and 3B at the time of the right angle setting are pressed by the wire pressing member 20 and the wire pressing drive mechanism 64 provided for each work gripping member 71. There is no need to adjust the position of the wire holding member 20 or the like, and efficient and accurate winding work can be performed.

At the time of welding the wires 3A and 3B,
A work supporting member 66C for supporting the core 10 from below and a supporting member main body 66 for supporting the work gripping member 71 from below.
A is integrated with the supporting member 66 during welding.
0 and the work holding member 71 are integrally supported,
The core 10 is stably supported, and the welding operation can be performed stably.

Furthermore, since the welding electrode 91 for welding is moved by the servo moving mechanism 92, the positioning of the welding electrode 91 can be performed accurately, and the welding operation can be performed efficiently and accurately.

When the winding is completed, the core 10 is brought to the work supply / discharge device 40 side by reversing the reversal of the index device 34, and is conveyed to the palletizer 33 by the work discharge robot hand 51. .

In the above-described embodiment, the present invention is applied to the manufacture of a chip coil. However, the scope of the present invention is not limited to this. For example, the present invention can be applied to winding on a normal coil bobbin. .

In the above embodiment, the present invention is applied to the case where two wires are wound in parallel (bifilar winding). However, the scope of the present invention is not limited to this. Can be applied to a case where three or more wires are simultaneously wound.

In the above embodiment, the winding mechanism 60
Although the spindle 61 is provided, and the core 10 is rotated by the rotation of the spindle 61 to perform winding, the present invention is not limited to such a spindle-type winding device. For example, a work gripping member 71 that grips the core 10 is fixed, and the nozzle 1 is provided on a flyer that revolves around the core 10, or a three-dimensional moving mechanism 82.
Alternatively, the nozzle 1 may be wound around the core 10 by revolving around the core 10.

[Brief description of the drawings]

FIG. 1 is a perspective view of a winding device according to an embodiment of the present invention.

FIG. 2 is a perspective view mainly showing a work supply / discharge device.

FIG. 3 is a perspective view mainly showing a winding mechanism.

FIG. 4 is a plan view showing a work holding mechanism and a wire holding member.

FIG. 5 is a cross-sectional view showing a state of being supported by a support member during welding.

FIG. 6 is a perspective view mainly showing a nozzle mechanism and a welding device.

FIG. 7 is an explanatory view showing a winding method.

FIG. 8 is also an explanatory diagram.

FIG. 9 is also an explanatory view.

FIG. 10 is also an explanatory view.

FIG. 11 is also an explanatory view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Nozzle 2A, 2B Wire feeding part 3A, 3B Wire 4 Discard binding pin 5A, 5B Guide pin 10 Core 11 Winding part 12 Flange 13A, 13B Electrode 14 Flange 15A, 15B Electrode 20 Wire pressing member 34 Index device 61 Spindle 66 Welding support member 66A Support member body 66C Work support member 71 Work holding member 82 Three-dimensional nozzle moving mechanism 90 Welding device 91 Welding electrode 92 Servo moving mechanism

Claims (8)

[Claims] A winding device for winding a plurality of wires around a winding core to form a coil, wherein the plurality of wires are oriented in the axial direction of the winding core from the outside of the winding start end to the winding portion side. By guiding, the same number of wires provided on the winding start side electrode as the number of wires provided on the winding start end side of the core are fixed, and the plurality of wires are fixed to the corresponding winding start side electrodes. The plurality of wires are pulled out from the fixed portion to the lateral direction with respect to the axis of the winding core, the plurality of wires are wound in parallel around the winding portion outer periphery, and wound in parallel to the winding portion of the winding core. The winding end portions of the plurality of wires are temporarily fixed by wire holding means, and the plurality of wires are wound from the winding portion of the winding core toward the axial direction of the winding core from a fixing portion by the wire holding means. By guiding to the outside of the end,
A winding means is arranged on each of the same number of winding end electrodes as the number of wires provided on the winding end end side of the core, and a winding means for fixing the plurality of wires to the corresponding winding end electrodes. Winding device. 2. The apparatus according to claim 2, further comprising: a plurality of gripping means for gripping the winding core; The winding work is performed on the core held by the means, and the same number of the wire pressing means as the number of the gripping means are provided for each of the gripping means.
4. The winding device according to claim 1. 3. A welding device for welding the plurality of wires to the winding start side electrode and the winding end side electrode, and fixing the plurality of wires to the winding start side electrode is performed by welding by the welding device. The winding device according to claim 1 or 2, wherein 4. The winding device according to claim 3, wherein the welding device includes a welding electrode and a servo mechanism for moving the welding electrode to a position where a welding operation is to be performed. 5. A core supporting member for supporting the core from the side opposite to the welding electrode and a gripping means for holding the core from the side opposite to the welding electrode during the welding operation by the welding device. The winding device according to claim 4, wherein the gripping means support member is integrated. 6. A plurality of wire rods having the same number of guide pins, and each of the plurality of wire rods is guided on the corresponding winding start end side electrode by being locked to a corresponding guide pin. 6. The method according to claim 1, wherein:
The winding device according to any one of the above. 7. The apparatus according to claim 1, wherein said winding means includes the same number of spindles as said grip means for each of said grip means for rotating said grip means around an axis. The winding device according to any one of the above. 8. The winding means includes a nozzle moving means for moving a nozzle for feeding the plurality of wires in parallel in a three-dimensional direction, and a nozzle rotating means for changing a tilt angle of the nozzle. 8. The method according to claim 1, wherein:
The winding device according to any one of the above.