JPH0578885B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a winding device for automatically winding a deflection yoke for deflecting an electron beam of a cathode ray tube.

(Prior art) Conventionally, as this type of device, the
As shown in No. 2, a wire rod feed head that moves vertically is used, and the frame (winding frame) of the deflection yoke is supported so as to be slidable and rotatable in a horizontal plane, and the vertical movement of the wire rod feed head and the deflection yoke frame are controlled. It has been proposed to perform automatic winding of the deflection yoke by a combination of sliding motion and rotational motion of the deflection yoke frame.

(Problems to be Solved by the Invention) However, in the device disclosed in Japanese Patent Publication No. 49-23050, both the wire feeding head and the deflection yoke had to perform reciprocating linear motion, making it difficult to perform high-speed winding. . Furthermore, in order to enable automatic winding, there are restrictions on the shape of the frame (winding frame) of the deflection yoke.

(Means for Solving the Problems) In view of the above points, the present invention enables high-speed automatic winding of a deflection yoke by utilizing the rotary motion of the rotor for drawing out the wire and the frame of the deflection yoke. It is an object of the present invention to provide a winding device for a deflection yoke.

The present invention provides a deflection yoke having a plurality of longitudinal slots at predetermined angular intervals on the inner surface of a substantially cylindrical frame, and a horizontal annular channel communicating between the longitudinal slots on the outer surface of the upper and lower ends. An annular rotor having a plurality of rollers for guiding the wire is provided so as to pass through the substantially cylindrical frame, the rotor is rotatably supported by the device frame, and the rotation of the rotor causes the The problems of the prior art are solved by guiding the wire through a longitudinal slot and guiding the wire through the annular channel by rotating the deflection yoke supported by the support mechanism.

(Function) In the deflection yoke winding device of the present invention, the wire can be guided into the vertical slot of the deflection yoke by the rotational movement of the rotor, and the wire can be guided in the horizontal direction by the rotational movement of the cylindrical frame of the deflection yoke. The wire can be guided along the annular channel into adjacent longitudinal slots or into other pairs of longitudinal slots. Therefore, the winding operation can be performed entirely by a combination of rotational movements, and the winding operation can be performed at high speed. Moreover, the structure is simple and good.

(Example) Hereinafter, an example of a winding device for a deflection yoke according to the present invention will be described with reference to the drawings.

FIG. 1 schematically shows the rotor drive mechanism and the support structure of the deflection yoke frame, and FIGS. 2 and 3 each show the structure of the rotor portion.

In these figures, a rotor 1 has an annular shape, and the outer periphery of the rotor is rotatably supported by four rollers 3 on the apparatus frame 2 side.
A rotor-side gear 4 is fixed to the rotor 1, and the rotor-side gear 4 meshes with a motor-side gear 5 to receive the rotational force of a motor 6 mounted on the device frame 2.

On the other hand, the frame (winding frame) 10 of the deflection yoke is
It has a substantially cylindrical shape, and has a large number of vertical slots 11 at predetermined angular intervals α on the inner surface, and horizontal annular channels 12, 1 on the outer surface of the upper and lower ends that communicate between the slots.
It has 3. The frame 10 of such a deflection yoke is supported by a support mechanism 14 so as to be able to rotate intermittently at an arrangement angular interval α of the longitudinal slots 11. Further, the support mechanism 14 is the frame 10
It has a structure that allows it to be removed for replacement.

As shown in FIGS. 2 and 3, the rotor 1 has rollers R1 to R5 that circumscribe and guide the wire, and when the frame 10 of the deflection yoke is attached as shown in the imaginary line in FIG. The rotor 1 is designed to open in two parts when replacing the rotor.
Moreover, the positional relationship between rollers R1 and R3 is R1
R3 in the range of 220° to 260° clockwise based on
Make sure that there is. Further, the roller R2 is R1
close to.

Note that the roller R6 is the first roller on the device frame 2 side.
It is pivotally supported in the position shown in the figure and FIG.

Next, the operation of the embodiment of the present invention will be explained in FIGS.
This will be explained according to FIG.

First, as shown in FIG. 4, the rotor 1 is arranged so as to pass through the cylindrical frame 10 of the deflection yoke.
The tip of the wire 20 is fixed to the upper end of the vertical slot 11. The wire 20 is stretched in the order of rollers R1, R5, and R6, and the rear end of the wire 20 is guided to a tension device that always applies a constant tension to the wire 20.

From the state shown in Fig. 4, the rotor 1 rotates clockwise as shown by arrow X, and as shown in Figs.
After passing through the states shown in FIGS. 9 and 9, the rotor 1 stops in the state shown in FIG. By the operations shown in FIGS. 4 to 10, one particular longitudinal slot 1 of the frame 10 is
1, the wire rod 20 is guided from the upper end to the lower end.

Next, as shown in FIG. 11, the frame 10 of the deflection yoke is rotated in the direction of the arrow Y in the horizontal plane by the angular interval α between the vertical slots 11.
As a result, the wire 20 enters the lateral lower annular channel 13 communicating between each slot.

After that, rotor 1 reverses as shown in Figure 12.
In other words, it rotates counterclockwise as shown by arrow Z, and the 13th
After passing through the states shown in FIGS. 14, 15, and 16, the rotor 1 stops in the state shown in FIG. 17. As a result, the wire rod 20 hooked onto the lower annular channel 13 is guided into the adjacent longitudinal slot 11 from the lower end toward the upper end.

Next, as shown in FIG. 18, the frame 10 of the deflection yoke is rotated in the opposite direction in the direction of the arrow W in the horizontal plane by the arrangement angular interval α of the longitudinal slots 11. As a result, the wire 20 enters the lateral upper annular channel 12 communicating between each slot.

Then, by repeating the operations shown in FIGS. 4 to 18 a plurality of times, the wire 20 can be wound a plurality of times between the adjacent longitudinal slots 11.

Similarly, a plurality of wires are sequentially wound around pairs of vertical slots 11 located on both sides of adjacent vertical slots 11 (slot positions a-b, c-d, e-f, . . . in FIG. 18). be done.

(Effects of the Invention) As explained above, according to the deflection yoke winding device of the present invention, the rotor is provided so as to pass through the cylindrical frame of the deflection yoke, and the rotation of the rotor causes the inner surface of the cylindrical frame to be Since the wire is guided through the longitudinal slot, the winding operation can be performed entirely by a combination of rotary movements, making it possible to speed up the winding operation (e.g. compared to the prior art devices).
(more than 10 times). Furthermore, the device structure is simple. Furthermore, it has the advantage of being compatible with various deflection yoke frame shapes.

[Brief explanation of the drawing]

FIG. 1 is a schematic front view showing an embodiment of the deflection yoke winding device according to the present invention, FIG. 2 is a front view of the rotor in the open and closed position, and FIG. 3 is a front view of the rotor at the start of winding. Figures 4 to 10 are front views explaining the operation of the rotor, Figure 11 is a plan view of the same, and Figure 1
2 to 17 are front views of the same, and FIG. 18 is a plan view of the same. DESCRIPTION OF SYMBOLS 1... Rotor, 10... Frame of deflection yoke, 11... Longitudinal slot, 12, 13... Annular channel, R1 to R6... Roller.

Claims (1)

[Claims] 1. A deflection yoke, which has a large number of vertical slots at predetermined angular intervals on the inner surface of a substantially cylindrical frame and has horizontal annular channels connecting the vertical slots on the outer surface of the upper and lower ends, is rotatable by a support mechanism. An annular rotor having a plurality of rollers for guiding the wire is provided so as to pass through the substantially cylindrical frame, the rotor is rotatably supported by the device frame, and rotation of the rotor causes the longitudinal slot to be A deflection yoke winding device characterized in that the wire is guided to the annular channel by rotating the deflection yoke supported by the support mechanism.