JPH08190864A - Integrated slit bobbin deflection yoke coil winding device - Google Patents

Abstract

PURPOSE: To suppress the fluctuation of wire tension by winding to uniformly control the wire tension, and enhance the winding work by arranging a tension control mechanism for controlling the tension of a wire extending from a wire supplying part to a nozzle part. CONSTITUTION: A wire supplying part 4 delivers and feeds a wire W from a winding pipe 6 to a nozzle part 8 through a tension control mechanism 7. A brake mechanism 25 for nipping the wire W to impart a resistance thereto and a dancer roller 26 for removing the sag of the wire W are arranged on the device machine body 5 side, and a tension roller 27 is rotatably mounted on a movable member 10 as the mechanism 7. A detecting member for the member 10 is mounted, a tension detecting means 33 is arranged on the detecting member, and a detecting roller is rotatably mounted, whereby the wire tension can be uniformly controlled. Namely, the tension added to the detecting roller is detected by the means 33, the signal from the means 33 is received, and the rotation of a serve motor is controlled by the tension control circuit to uniform the wire tension, so that a satisfactory winding work can be performed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention is, for example, a large-scale, high-quality CR.
Integrated slit bobbin mounted on T (simply "bobbin")
Also called. ), An integrated slit bobbin deflection yoke coil winding device for winding a horizontal deflection yoke coil in

[0002]

2. Description of the Related Art Conventionally, as a winding device of this type, for example, JP-A-3-173044 and JP-A-5-258669.
The structure shown in Japanese Patent Publication is known.

In this conventional structure, for example, as shown in FIGS. 14 and 15, the wire W fed from the nozzle by the winding operation of the nozzle from the wire supply section is wound on the screen side in the winding groove a and the neck side winding. A structure in which an integral bobbin B having a winding position consisting of a groove b and an arcuate inner surface winding c is wound around a plurality of times by a revolving operation including insertion / removal of the nozzle portion with respect to the bobbin B. Has become.

[0004]

However, in the case of the above-mentioned conventional structure, the tension control mechanism for controlling the tension of the wire rod from the wire rod supply portion to the nozzle portion is disposed in the fixed device body, and this fixed device body is provided. Since the wire rod has a structure that reaches the nozzle through the tension control mechanism on the side, therefore, the wire rod tension is inevitably affected by the winding operation of the nozzle part accompanying the winding, and the wire rod tension is not affected. There are inconveniences such that a uniform gap is formed between the bobbin and the winding surface, or conversely, a winding failure occurs due to an excessive winding force, or a wire breakage phenomenon occurs.

[0005]

SUMMARY OF THE INVENTION An object of the present invention is to solve these inconveniences, and the gist thereof is to insert and remove the nozzle part for feeding the wire rod from the wire rod supply part into the bobbin of an integral type. In a deflection yoke winding machine that winds a wire rod by a rotating operation including the winding operation, a tension control mechanism for controlling the tension of the wire rod from the wire rod supply portion to the nozzle portion is arranged on a movable member for performing the winding operation. An integrated slit bobbin deflection yoke coil winding device is characterized by the above.

At this time, as the tension control mechanism, a tension roll for applying a back tension to the wire, a servomotor for rotating the tension roll, a pair of guide rolls for guiding the wire, and a space between the pair of guide rolls. Of the wire rod, a tension detecting means for detecting the tension applied to the detecting roll, and a tension control circuit for controlling the rotation of the servo motor by receiving a signal from the tension detecting means. Further, the tension detecting means can be constituted by a load cell arranged in the detecting member having the detecting roll and converting strain into electric resistance.

[0007]

The wire rod is wound by the revolving operation including the insertion / removal of the nozzle portion for feeding the wire material from the wire material supplying portion to the integral type bobbin, and the tension control mechanism measures the fluctuation of the tension of the wire material caused by the revolving operation. Means that the tension control mechanism is arranged on the movable member for performing the orbiting operation, so that the tension control mechanism operates together with the movable member for the orbiting operation. By doing so, fluctuations in the wire tension due to the effect of the winding operation of the nozzle portion that accompanies the winding are suppressed.

At this time, the tension roller rotated by the servo motor applies back tension to the wire,
The tension applied to the detection roll located between the pair of guide rolls for guiding the wire is detected by the tension detection means, and the rotation of the servomotor is controlled by the tension control circuit in response to the signal from the tension detection means. Further, as the tension detecting means, the tension of the wire is detected by the load cell which is arranged in the detecting member having the detecting roll and converts strain into electric resistance.

[0009]

1 to 4 show an embodiment of the present invention, in which reference numeral 1 denotes a bobbin holding portion, in which a trumpet-shaped integral type bobbin B has a screen side on the diameter expansion side and a neck side on the upper side. is holdable formed in the bottom, and the bobbin axis of the bobbin B B _L
A bobbin swivel mechanism 2 for horizontally swiveling around R and a bobbin moving mechanism 3 for moving the bobbin B in the left-right X-axis direction in the drawing are disposed. The bobbin turning mechanism 2 and the bobbin moving mechanism 3 are configured to include a servo motor 2a and a servo motor (not shown).

A wire rod supply unit 4 is provided in the apparatus body 5 and includes a winding tube 6 around which the wire rod W is wound. The wire rod W is fed from the winding tube 6 through a tension control mechanism 7. Configured to send.

Reference numeral 8 denotes a nozzle portion. In this case, a movable member 10 that moves in the vertical Z-axis direction by a vertical movement mechanism 9 is provided in the apparatus body 5, and an insertion / removal member is provided below the movable member 10. 11 is rotatably mounted by a nozzle rotating mechanism 12 having a servo motor 12a, and a guide groove 13 is formed in the insertion / removal member 11 so as to extend in the vertical direction, and a mounting member 14 is vertically slidable in the guide groove 13. And a guide roll 15 which can guide the wire W from the wire supply unit 4 to the bobbin B to the lower end of the mounting member 14 is attached to the lower end of the insertion / removal member 11 to the bobbin B. A fixed guide 16 having a guide hole 16a for inserting and guiding the wire W is attached, a movable member 10 is provided with a roll moving mechanism 17, and the servo motor 17a of the roll moving mechanism 17 and a ball screw mechanism 17b move up and down. Vertical movement attaching the upper end portion of the mounting member 14 to rod 18, Thus around the nozzle axis N _L together the insertion and removal member 11 and the mounting member 14 by a servomotor 12a of the nozzle portion rotating mechanism 12 NR to The guide roller 15 is provided so as to be horizontally rotatable around it, and the guide roller 15 is movable by the roller moving mechanism 17 in the insertion / removal direction of the nozzle portion 8 in this case, in the NZ direction in the vertical direction in accordance with the winding position with respect to the bobbin B. .

Reference numeral 19 denotes a hooking mechanism. In this case, a supporting member 20 is movably arranged in the device body 5 in the lateral CX direction by a servomotor 20a, and a holding member 21 is vertically arranged on the supporting member 20. Servo motor 21 in the CZ direction
a guide roller 24 that is movably disposed by a, has a pair of guide members 23 in the holding member 21 with an insertion gap 22 for the wire W, and is capable of catching the wire W on the holding member 21.
Is arranged to be movable back and forth by a cylinder 24a.

Further, in this case, a brake mechanism 25 composed of a half brake for sandwiching the wire W in this case to provide resistance and a dancer roll 26 capable of moving up and down for removing the slack of the wire W are provided on the apparatus body 5 side. As the tension control mechanism 7, the tension roll 27 is attached to the movable member 10.
Is rotatably mounted, a servo motor 28 for controlling and rotating the tension roll 27 is mounted, and a pair of guide rolls 29, 30 is rotatably mounted on the movable member 10 and line guides 31, 31 are mounted, and the movable member is further movable. The detection member 32 is attached to 10, and the detection member 32 is provided with a tension detection means 33 composed of a load cell for converting the strain of the detection member 32 into an electric resistance by a strain gauge.
2, the detection roll 34 is rotatably mounted between the guide rolls 29 and 30, and the wire W drawn from the winding tube 6 is movable via a brake mechanism 25 and a dancer roll 26 on the machine body 5 side. Tension roll 2 on the member 10 side
After winding once around 7, wire guide 31, guide roll 2
9, detection roll 34, guide roll 30 and line guide 31
It is configured to be sent to the nozzle portion 8 via.

Reference numeral 35 denotes a tension control circuit, in which the pushing force due to the tension applied to the detection roll 34 is detected by the tension detecting means 33 composed of a load cell, and the rotation speed of the servo motor 28 and the forward / reverse direction are received in response to the detection signal. The rotation is controlled, and the rotation of the tension roll 27 is controlled. That is, the tension detecting means 33 detects a change in the tension of the wire W fed out following the winding operation of the nozzle portion 8 and the bobbin B, and the servo motor 2 receives this signal.
The tension roll 2 is controlled by controlling the rotation speed of 8 and forward / reverse rotation.
7 is controlled to control the tension of the wire W.

Since this embodiment has the above-described structure, referring to FIGS. 5 to 13, first, as shown in FIG. 5, the end portion of the wire W drawn from the wire supply unit 4 via the nozzle 8 is a bobbin. The bobbin B is fastened to the B. In this state, the bobbin B is swung about the bobbin axis _BL by the bobbin swivel mechanism 2, and by this swiveling operation, the wire W is wound around the winding groove a on the screen side of the bobbin for about half a turn. Then, after the bobbin B has stopped turning, as shown in FIG. 6, the nozzle rotating mechanism 12 causes the insertion / removal member 11 and the mounting member 14 to move together with the nozzle axis N _L.
7, the nozzle portion 8 is rotated horizontally in the reverse horizontal direction about the NR, and the bobbin moving mechanism 3 and the vertical moving mechanism 9 cause the nozzle portion 8 to move along the arc-shaped inner surface with the combined movement in the X-axis direction and the Z-axis direction. The guide roll 15 is gradually lowered along the winding groove c, and at this time, the guide roll 15 is moved to the winding position with respect to the bobbin B by the roll moving mechanism 17, in this case, in the tangential direction of the bottom surface of the winding groove c. N in the vertical direction so that the wire W matches
It follows the Z direction and gradually moves downward.

Then, as shown in FIG. 8, when the lower end portion of the nozzle portion 8 is pulled out from the neck side of the bobbin B, the hooking mechanism 19 operates and the CX of the supporting member 20 and the holding member 21.
The wire W is positioned in the insertion gap 22 between the pair of guide members 23 by the movement in the C direction and the CZ direction, and in this state,
As shown in FIG. 10, the guide roller 24 projects as shown in FIG.
The wire W is hooked by the guide roller 24 so as to face the winding groove b on the neck side, and in this state, the bobbin B is swung by the bobbin swivel mechanism 2 about the bobbin axis B _L. After being wound around the winding groove b on the neck side for about half a turn, the bobbin B stops turning,
As shown in FIG. 11, the vertical movement mechanism 9 raises the nozzle portion 8 in the Z-axis direction, and as shown in FIG. 12, the nozzle portion rotation mechanism 12 causes the insertion / removal member 11 and the attachment member 14 to move together.
Inverted horizontal rotation around NR around _L , and in this state,
3, the bobbin moving mechanism 3 and the up-and-down moving mechanism 9 cause the nozzle portion 8 to sequentially move up along the winding groove c having the arcuate inner surface with the combined movement in the X-axis direction and the Z-axis direction. , The roll moving mechanism 17 guides the guide roll 15
Indicates a winding position with respect to the bobbin B, in this case, the wire rod W follows the NZ direction in the vertical direction so as to match the tangential direction of the bottom surface of the winding groove c as much as possible, and then gradually moves up and down. .

The position of the imaginary line in FIG. 13, that is, the state shown in FIG. 5 again, is applied to the winding groove a on the screen side, the winding groove b on the neck side, and the winding groove c on the arc-shaped inner surface. The winding operation is repeated a predetermined number of times, and the wire W is lapped a plurality of times by the wrapping operation including the insertion and removal of the nozzle portion from the bobbin B of the integral type bobbin B to complete the winding work of the deflection yoke. .

Therefore, from the wire rod supply section 4 to the nozzle section 8
The wire W fed out through the bobbin B of the nozzle portion 8 is an integral bobbin B having a winding position consisting of a winding groove a on the screen side, a winding groove b on the neck side and a winding groove c on the arcuate inner surface. The winding operation is automatically performed by the revolving operation including the insertion / removal, and the winding work can be automated and the work can be speeded up. In particular, the tension control mechanism 7 can perform the revolving operation. Since the tension control mechanism 7 is arranged at the same time, the tension control mechanism 7 performs an operation for performing a revolving operation together with the movable member 10, and as a result, fluctuations in the tension of the wire rod due to the effect of the revolving operation of the nozzle portion 8 caused by the winding. Can be suppressed, the wire tension can be controlled to a uniform extent, and good winding work can be performed.

Further, in this case, the tension applied to the detection roll 34 located between the pair of guide rolls 29 and 30 for guiding the wire W is detected by the tension detection means 33, and the servomotor receives the signal from the tension detection means 33. The rotation of the wire 28 is controlled by the tension control circuit 35, and the servo motor 28 causes the tension roller 27 to apply an appropriate back tension to the wire W. Therefore, the slack of the wire is positively wound and the reaction is surely performed. Since a fast back tension is applied, the tension of the wire can be controlled to a uniform extent, and good winding work can be performed. Further, as the tension detecting means 33, the detecting member 32 having the detecting roll 34 is provided. By detecting the tension of the wire W by a load cell that is arranged in
The tension can be detected with high accuracy, and a better winding operation can be performed.

Further, in this case, the wire W extending from the wire supplying portion 4 to the bobbin B is detoured by the guide roll 15 provided at the tip of the nozzle portion 8, and the wire W extending from the guide roll 15 to the bobbin B is fixed. Guide hole 1 of the guide 16
Since it is inserted and guided through 6a, the guide roll 15 bends the wire rod so that damage to the wire rod W can be suppressed as much as possible, and a good winding state can be obtained and the fixed guide 16 Can be positioned as close as possible to the bottom surface of the winding groove c on the arcuate inner surface, and the winding guide can be performed satisfactorily by obtaining a good guiding action for the winding groove c.

Since the guide roll 15 is moved in the insertion / removal direction of the nozzle portion 8 according to the winding position on the bobbin B by the roll moving mechanism 17 as shown in FIG. 6 and FIGS. 12 and 13. , Winding groove c on the arcuate inner surface of bobbin B
The wire material W matches the tangential direction of the bottom surface of the wire rod W as much as possible, and the wire material W can be wound well, and the nozzle portion 8 is moved by the nozzle portion rotating mechanism 12 according to the winding position with respect to the bobbin B. Since the nozzle portion 8 rotates about the axis of the insertion / removal direction, the flexibility with respect to the winding position increases,
A better and better winding operation can be performed.

The present invention is not limited to the above embodiment, but the wire rod supply portion 4, the nozzle portion 8 structure, the tension control mechanism 7, and other structures are appropriately modified and designed.

Further, in the above-mentioned embodiment, the winding structure in which one wire W is wound around the bobbin B is applicable, but it can be applied to a structure in which a large number of wires are simultaneously wound. In this case, the winding tube 6 and the tension control mechanism 7 are installed. According to the number, the number is parallel, and the tension control mechanism 7 is arranged on the movable member 10 that moves up and down in the above-mentioned embodiment. It is included.

[0024]

As described above, according to the present invention, the wire rod fed from the wire rod supply section through the nozzle section is automatically wound and wound on the integral bobbin by the revolving operation including the insertion and removal of the nozzle section from the bobbin. The wire work can be automated and the work can be speeded up. In particular, since the tension control mechanism is arranged on the movable member for performing the circulation operation, the tension control mechanism rotates together with the movable member. The operation for performing the operation is performed, whereby the fluctuation of the wire rod tension due to the influence of the winding operation of the nozzle portion caused by the winding can be suppressed,
It is possible to control the tension of the wire material to that extent, and it is possible to perform good winding work.

At this time, the tension applied to the detection roll located between the pair of guide rolls for guiding the wire is detected by the tension detection means, and the rotation of the servomotor is controlled by the tension control circuit in response to the signal from the tension detection means. The tension roller applies an appropriate back tension to the wire rod by the servo motor, so that the slack of the wire rod is positively wound and the back tension which gives a fast reaction is surely given, and the wire rod is evenly distributed. The tension can be controlled, good winding work can be performed, and the tension of the wire rod can be controlled by a load cell that is provided in the detection member having a detection roll as the tension detection means and converts strain into electric resistance. By detecting .tau., The tension can be detected with high accuracy, and more favorable winding work can be performed.

As described above, the initial purpose can be sufficiently achieved.

[Brief description of drawings]

FIG. 1 is an overall front view of an embodiment of the present invention.

FIG. 2 is an enlarged front view of the embodiment shown in FIG.

FIG. 3 is a partially enlarged front view of the embodiment shown in FIG.

4 is a control block diagram of the embodiment shown in FIG. 1. FIG.

5 is an explanatory view of a winding process of the embodiment shown in FIG.

FIG. 6 is an explanatory view of a winding process of the embodiment shown in FIG.

FIG. 7 is an explanatory view of a winding process of the embodiment shown in FIG.

FIG. 8 is an explanatory view of a winding process of the embodiment shown in FIG.

FIG. 9 is an explanatory view of the winding process of the embodiment shown in FIG.

FIG. 10 is an explanatory view of a winding process of the embodiment shown in FIG.

FIG. 11 is an explanatory view of the winding process of the embodiment shown in FIG.

FIG. 12 is a drawing explaining the winding process of the embodiment shown in FIG.

FIG. 13 is a drawing explaining the winding process of the embodiment shown in FIG.

FIG. 14 is a perspective view of an integrated slit bobbin.

FIG. 15 is a perspective view of a deflection yoke coil.

[Explanation of symbols]

 W wire rod B bobbin 4 wire rod supply portion 7 tension control mechanism 8 nozzle portion 27 tension roll 28 servo motor 29 guide roll 32 detection member 33 tension detection means 34 detection roll 35 tension control circuit

Claims (3)

[Claims] 1. A deflection yoke coil winding device for winding a wire rod by a revolving operation including insertion and removal of a nozzle part for feeding the wire rod from the wire rod supply part to an integrated bobbin, wherein the nozzle part is wound from the wire rod supply part. An integral slit bobbin deflection yoke coil winding device, wherein a tension control mechanism for controlling the tension of the wire reaching to the above is arranged on a movable member for performing the above-described revolving operation. 2. The tension control mechanism includes a tension roll for applying back tension to the wire rod, a servomotor for rotating the tension roll, a pair of guide rolls for guiding the wire rod, and a space between the pair of guide rolls. Of the wire rod, a tension detecting means for detecting the tension applied to the detecting roll, and a tension control circuit for receiving the signal from the tension detecting means and controlling the rotation of the servo motor. The integrated slit bobbin deflection yoke coil winding device according to claim 1. 3. The integral slit bobbin deflection yoke coil winding according to claim 2, wherein the tension detecting means comprises a load cell arranged on a detecting member having the detecting roll and converting strain into electric resistance. Line device.