JP3032083B2 - Coil manufacturing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coil manufacturing apparatus for manufacturing a multilayer coil by winding a wire around a winding form having a face plate disposed between a plurality of wire winding portions.

[0002]

2. Description of the Related Art Conventionally, when manufacturing a multilayer coil for a transformer, for example, a unit wire is wound around a winding frame to form a unit coil, and then a plurality of unit coils are connected in series. The method of doing is adopted.

[0003]

However, in the above-described conventional configuration, since a plurality of unit coils are manually connected to each other, there is a problem that the mass productivity is poor and the cost of the multilayer coil is high. .

[0004] For this reason, recently, for example, a winding form having a face plate disposed between a plurality of wire winding portions is provided rotatably, and the element wires are guided along the axial direction of the winding form. A wire guide is provided, and the wire guide is moved along the axial direction of the winding form while rotating the winding form, so that the wire is wound around each of the plurality of wire winding portions. Is considered.

However, in the above configuration, the wire is led out to the adjacent wire winding portion in a state of straddling the face plate from above, so that the wire is not lifted and fixed and becomes unstable. However, there is a problem that the quality is deteriorated.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a coil manufacturing apparatus which is excellent in mass productivity, inexpensive, and can manufacture a high quality multilayer coil.

[0007]

According to the present invention, there is provided an apparatus for manufacturing a coil, comprising the step of winding an adjacent wire through a face plate provided with a notch.
A winding form having a part, and
A winding drive motor for winding a wire around the winding form,
In the X direction along the axial direction of the former and in the axial direction of the former.
The wire is provided so as to be movable in the orthogonal Y direction.
And a wire guide inside thereof and the wire guide in the X direction and
X-direction motor and Y-direction for moving operation in the Y-direction
A motor, the winding driving motor, the X-direction motor,
Control means for controlling the driving of the Y-direction motor.
The control means winds the wire around one of the wire winding portions of the former.
When the notch is detected, the winding form is cut by the notch.
After stopping so as to face the Y direction,
The wire guide based on the drive control of the
Drive control of the X-direction motor away from the winding form
The wire guide into the adjacent wire winding section based on
Based on driving and controlling the Y-direction motor.
This is characterized in that the wire guide is brought closer to the winding form .

[0008]

According to the above-mentioned means, one wire winding portion of the winding form
When the wire is wound, the former stops rotating and the notch of the former
Faces the Y direction. Then, the wire guide moves away from the winding form
After moving in the Y direction,
It moves in the Y direction so as to approach the winding form. This and
Wire is inserted into the cutout of the winding form and straddles the face plate from above.
Is drawn out to the adjacent wire winding part
So that the wire is continuously wound around multiple wire windings.
The winding operation can be performed automatically.

[0009]

An embodiment of the present invention will be described below with reference to the drawings.

First, in FIG. 1, a winding drive motor 1 comprising a servomotor is fixedly arranged on a base plate (not shown). A transmission mechanism 2 composed of a belt transmission mechanism, a gear transmission mechanism, or the like is provided on the rotating shaft 1a of the winding drive motor 1.
The winding shaft 3 is connected via the transmission mechanism 2 with the rotation of the rotating shaft 1a.

A winding form 4 is attached to the winding shaft 3 at one end. The winding form 4 includes a drum-shaped wire winding portion 5, 6, 7, face plates 8, 8 disposed between the wire winding portions 5, 6, 7, respectively, and a wire winding portion. End plates 9 and 9 respectively disposed at both ends of each of the components 5 and 7 as components.
As shown in FIG. 2, notches 8a, 8a
Are formed facing each other.

The winding form 4 is formed, for example, by inserting four insertion holes (the part formed in the face plate 8 is indicated by 8b in FIG. 2) provided so as to penetrate between the end plates 9, 9. 1, bolts (not shown) are inserted from the right end plate 9 side, and nuts (not shown) are screwed into the bolts from the left end plate 9 side in FIG. The left end plate 9 side in FIG. 1 is attached to the winding shaft 3, and the right end plate 9 side in FIG. 1 is supported by the winding support member 10, and thus rotates integrally with the winding shaft 3. It is supposed to be.

A first rotation speed detector 11 is provided on the winding shaft 3 on the opposite side of the former 4. First
The rotation speed detector 11 is composed of, for example, a rotary encoder.
The number of rotations is detected.

A left-right moving motor 12 composed of a servomotor is fixedly disposed on the base plate . This left and right movement
The motor 12 for use corresponds to an X-direction motor, and a left-right feed screw 13 is connected to the left-right moving motor 12 in parallel with the winding shaft 3. The left and right feed screw 13 is provided with a second rotation speed detector 14 located on the opposite side of the left and right movement motor 12, and the rotation speed of the left and right feed screw 13 is detected by the second rotation speed detector 14. Is to be detected.

The left and right feed screw 13 is provided with a wire guide mechanism 16 for guiding the wire 15.

The wire guide mechanism 16 will now be described with reference to FIG.
This will be described with reference to FIG.

That is, the base 17 having a substantially rectangular shape is provided with a screwing projection 17a screwed to the left and right feed screw 13 and a guide projection located in a guide groove (not shown) formed in the base plate. When the left and right feed screw 13 rotates when the left and right movement motor 12 is energized, the screwing convex portion 1 is provided.
7 a is screwed forward by the left and right feed screw 13, and the guide projection 17
The b and 17b are moved in the left-right direction along the axial direction of the former 4 so that they are guided along the guide grooves of the base plate.

A front-rear movement motor 18 composed of a servomotor is fixedly disposed on the base 17. The front-rear movement motor 18 is mounted on the base 17 so as to be orthogonal to the left and right feed screws 13 in the front-rear direction. The longitudinal feed screw 19 is connected.

On the upper surface of the base 17, a support member 20 having a substantially U-shaped side surface is mounted. The support member 20 has guide protrusions 20 a, 20 a located in a guide groove 17 c provided on the upper surface of the base 17, and a screw protrusion (not shown) screwed to the longitudinal feed screw 19. When the front and rear feed screw 19 rotates, the screwing protrusion is screwed by the front and rear feed screw 19 so that the guide protrusions 20a and 20a are guided along the guide groove 17c. Move along the back and forth direction.

The support member 20 is provided with a vertically moving motor 21 composed of a servomotor located at an upper portion.
You. This vertical movement motor 21 corresponds to a Y-direction motor.
The support member 20 is provided with a feed screw support member 22 located at a lower portion. Feed screw bearing member 2
2, a vertical feed screw 23 is supported in a state perpendicular to the left and right feed screw 13 in the vertical direction. The upper end of the vertical feed screw 23 is formed of a belt transmission mechanism, a gear transmission mechanism, or the like. It is connected to a vertical movement motor 21 via a transmission mechanism 24.

A guide block 25 having a substantially trapezoidal side surface is screwed to the vertical feed screw 23. The guide block 25 is substantially in contact with the front surface of the support member 20, and rotates when the vertical feed screw 23 rotates.
, And moves up and down along the screw.

The guide block 25 has rollers 25a,
25b, 25c is not arranged so as to form a substantially triangular
You. These rollers 25a to 25c guide the element wire 15.
The wire 15 corresponds to the wire guide 42, and the wire 15 is passed from the rollers 25 a and 25 b located on the upper side to the roller 25 c located on the lower side, so that an appropriate tension acts on the wire 15. It has become.

The wire guide 42 is moved in the left-right direction along the former 4 by energizing the left-right movement motor 12, the front-rear movement motor 18 and the up-down movement motor 21.
(= X direction) , front and rear direction and vertical direction
(= Y direction) , thereby guiding the element wire 15 in the left and right, front and back, and up and down directions.

Next, an outline of an electric configuration of the present apparatus will be described with reference to FIG.

The control means 26 for controlling the movement of the wire guide 16 and the rotation of the former 4 is mainly composed of a microcomputer and comprises D / A converters 27 and 2.
8, first and second counters 29 and 30, first and second pulse generators 31 and 32, CPU
33, a memory 34, a serial input unit 36 connected to a personal computer 35 serving as a host computer via a serial line, input of operation commands such as start and stop of operation, and output of a state signal such as end of winding. And an I / O interface 37.

The D / A converter 27 is connected to the winding driving motor 1 via a driver 38, and the D / A converter 28 is connected to the left / right moving motor 12 via a driver 39. A speed control signal is output to the driving motor 1 and the left / right moving motor 12 via drivers 38 and 39, respectively.

Further, a first rotation speed detector 11 for detecting the rotation speed of the winding driving motor 1 is connected to a first counter 29, and a second rotation speed detecting device for detecting the rotation speed of the left / right moving motor 12. The number detector 14 is connected to a second counter 30. The counters 29 and 30 control the rotation speed Na of the winding drive motor 1 and the rotation speed N of the left and right feed screw 13.
b is measured.

Further, the first and second pulse generators 3
The forward and backward movement motor 18 and the up and down movement motor 21 are connected to 1 and 32 via drivers 40 and 41, respectively. When pulse signals are output from both pulse generators 31 and 32, the output signal , The front-rear movement motor 18 and the up-down movement motor 21 are rotated.

The memory 34 corresponds to a basic program for manufacturing coils and a dimension slightly larger than the thickness H1 (see FIG. 10) of the face plate 8 (hereinafter, this dimension is referred to as a crossover dimension H2). The rotation speed R2 of the left and right feed screw 13 and the rotation speed R (2-1) of the left and right feed screw 13 corresponding to (H2 -H1) are stored.

Next, the operation of the above configuration will be described with reference to FIGS.

First, when winding the wire 15 around the winding form 4, the personal computer 35 uses, as shown in FIG. 10, the number n of winding layers of the unit coil and the right end of the wire winding portion 5 as the origin. , Dimension data P1 up to the left end position of the wire winding section 5, dimension data P2 up to the left end position of the wire winding section 6, and dimension data P2 up to the left end position of the wire winding section 7.
3 and the like are input, and these are stored in the memory 34.

The number of rotations of the winding shaft 3 and the number of rotations of the left and right feed screws 13 corresponding to dimensions from the origin to a predetermined position are stored in the memory 34 of the control means 26 in advance. , Data P1 to P3 are input, first, the rotation speed R5 of the winding shaft 3 per layer and the rotation speed r5 of the left and right feed screw 13 corresponding to the data P1 are calculated.

In this state, when the control means 26 detects that an external operation start command has been input to the I / O interface 37, the control means 26 sends a winding operation signal to the winding drive motor 1 and the left and right movement motor 12. Is output, and the wire guide 16 is reciprocated between the wire winding portions 5 along the axial direction of the former 4 in accordance with the set number n of layers while rotating the former 4 in a certain direction. Then, the wire 15 is wound around the wire winding unit 5.

Thereafter, the control means 26 controls the two counters 2
When it is detected that the count values Na and Nb of 9, 30 have reached the rotation speeds nR5 and nr5 (n is the number of layers), it is determined that the winding of the wire 15 to the wire winding unit 5 has been completed. (state facing the = Y-direction) of the former driving motor 1 and the left and right moving motor 12 deenergized, as shown in FIG. 5, the former 4, the cutout portion 8a, 8a is a state located in the vertical direction The second pulse generator 32 stops the motor 2 for vertical movement.
1 to output a forward rotation pulse signal to rotate the upper and lower feed screw 23 in the forward direction a predetermined number of times .
Move the lock 25 in the Y direction so as to move away from the former 4.
Is raised by a predetermined amount.

Next, the control means 26 outputs a forward rotation signal to the left and right movement motor 12 and rotates the left and right feed screw 13 by R2, thereby causing the element wire guide 16 to rotate as shown in FIG. Move it in the direction of the wire winding part 6 by the dimension H2,
After the strand 15 is led to the adjacent strand winding section 6 through the cutout 8a of the face plate 8, a reverse pulse signal is output from the second pulse generator 32 to the vertical movement motor 21. Then, as shown in FIG.
Wire in the Y direction so as to approach
The initial height position at which the winding operation to the winding unit 5 is started (see FIG.
(The height position shown in Fig. 5).

Thereafter, the control means 26 outputs a reverse rotation signal to the left / right moving motor 12 to rotate the left / right feed screw 13 in the reverse direction by R (2-1), whereby the wire guide 1 is rotated.
The wire 6 is moved by (H2 -H1) as shown in FIG. 9, and the wire 15 is moved to the wire winding start position of the wire winding portion 6 close to the face plate 8.

The control means 26 repeats the above series of operations on the basis of the rotation speeds R6 and r6 based on the data P2, thereby winding the wire 15 around the wire winding section 6, and then outputting the data P3 The wire 15 is wound around the wire winding portion 7 based on the rotation speeds R7 and r7 of the
After completing the winding of No. 5, a multilayer coil for a transformer, for example, is manufactured.

According to the above embodiment, the following effects can be obtained.

That is, one wire winding portion of the former 4, for example,
When the wire 15 is wound around the wire winding portion 5, the winding form 4 is removed.
One notch 8a is raised upward based on stopping rotation.
So that the wire guide 42 moves away from the former 4.
And then move into the adjacent wire winding section 6
Then, it was moved downward so as to approach the former 4. others
In this state, the wires 15 are adjacent to each other with the strands 15 straddling the face plate 8 from above.
Is no longer led out into the wire winding part 6,
Since it is accurately guided into one notch 8a of the winding form 4,
High quality multilayer coils can be manufactured.

Accordingly, it is possible to automatically wind the wire 15 around the plurality of wire winding portions 5, 6, 7, and it is possible to manufacture a multilayer coil excellent in mass productivity and inexpensive.

In the above embodiment, in particular, the personal computer 35 uses the dimension data P 1 of the wire winding portion 5 and the wire winding portion 6 when the right end of the wire winding portion 5 is set as the origin.
Dimension data P2 and the dimensional data P3 of the wire winding part 7
Is input, it is possible to cope with a case where the length of the wire winding portions 5, 6, 7 is changed only by changing the values of the data P1 to P3.

If the diameters of the wire winding portions 5, 6, 7 are greatly changed, the personal computer 35
Based on the input, the control means 26 may output a predetermined pulse from the first pulse generator 31 to the forward / backward movement motor 18 to move the support member 20 in the forward / backward direction.

[0043]

As is apparent from the above description, according to the coil manufacturing apparatus of the present invention, one coiled portion of the coil form can be used .
When the strand is wound, the winding form is stopped from rotating.
The notch was directed in the Y direction based on the above. And wire strand
After moving the id in the Y direction away from the winding form,
Move it into the adjacent wire winding so that it approaches the winding form
It was moved in the Y direction. For this reason, the wire is inserted into the notch
Since the wire is guided accurately, the wire is continuously connected to multiple wire windings
It becomes possible to wind it. Therefore, improvement of mass productivity
To manufacture high quality and low cost coils.
Can be.

[Brief description of the drawings]

FIG. 1 is a top view schematically showing one embodiment of the present invention.

FIG. 2 is a side view of a face plate.

FIG. 3 is a side view of a wire guide.

FIG. 4 is a block diagram schematically showing an electrical configuration.

FIGS. 5A and 5B show a state in which a wire is wound around one wire winding portion, wherein FIG. 5A is a side view of a main part, and FIG. 5B is a top view of the main part.

FIG. 6 is a view corresponding to FIG. 5 (a), showing a state where the wire guide has moved upward.

FIG. 7 is a view corresponding to FIG. 5 (b), showing a state in which a wire is led out through a notch.

FIG. 8 is a view corresponding to FIG. 5 (a), showing a state where the wire guide has moved downward.

FIG. 9 is a view corresponding to FIG. 5 (b), showing a state where the wire guide is at a winding operation start position of an adjacent wire winding portion.

FIG. 10 shows data P input to a personal computer.
Diagram conceptually showing 1 to P3

[Description of References] 1 is a winding drive motor, 4 is a winding form, 5, 6, and 7 are strand winding sections, 8 is a face plate, 8a is a cutout section, and 12 is a left and right movement motor.
(X direction motor), 15 is a strand, 21 is a vertical movement motor
(Y-direction motor) , 26 is a control means , 42 is a wire
Indicates the id .

Claims (1)

(57) [Claims] 1. An adjoining face plate having a notched portion provided therebetween.
A winding form having a wire winding portion, and a wire wound on the winding form based on rotationally driving the winding form
For driving a winding form, and an X direction along an axial direction of the winding form and an axial direction of the winding form
Movably provided in the Y direction orthogonal to the
A wire guide for guiding a line, and an operation for moving the wire guide in the X direction and the Y direction.
The X-direction motor and the Y-direction motor to be operated , the winding driving motor, the X-direction motor, and the Y-direction motor.
Control means for driving and controlling a motor, the control means comprising:
When the end of the winding is detected, the winding form is cut out of the notch.
After stopping so that the portion faces the Y direction, the Y direction
Based on the drive control of the motor, the wire guide is
Drive away and control the X-direction motor away from the former
Based on the wire guide in the adjacent wire winding portion
To drive the Y-direction motor.
A coil manufacturing apparatus for bringing the wire guide closer to the winding form .