JPH0982552A - Coil winder and winding method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the forming time of a deflection coil and improve the working efficiency. SOLUTION: A guide means for holding a wire has a guide tip 1 formed in a line-symmetric shape having two bends 2A and 2B, the tip 1 and guide unit 6 are fixed to drive units movable independently in three axial directions and means is provided for fixing the wire to the line-symmetric tip 1, thus constituting a coil winder. Corresponding to one winding direction of the wire round a yoke bobbin, one of the line-symmetric parts of the tip 1 is used as a wire holder to hold the wire and wind it, while for the other winding direction, the other of the line-symmetric parts is used as a wire holder to hold and wind the wire. A winding method using this winder is adopted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a winding device for a deflection yoke and a winding method using the same, and more specifically, it efficiently winds a wire supplied from a nozzle by holding and guiding it with a guide member having a predetermined shape. The present invention relates to a winding device and a winding method.

[0002]

2. Description of the Related Art A conventional winding apparatus and winding method are shown in FIG.
This will be described with reference to FIGS. 10 shows a yoke bobbin 9 around which a wire is wound, FIG. 10 (a) is a perspective view thereof, and FIG. 10 (b) is a sectional side view taken along the line AA of FIG. Further, FIG. 3C is a diagram showing the shape of the deflection coil made of the wound wire. FIG.
Shows an overall structure of a conventional winding device, and FIG. 12 is a view showing a guide unit portion of the winding device shown in FIG. Further, FIG. 13 is a view for explaining the operation of the guide claws of the conventional winding device. FIG. 13 (a) shows the orientation of the guide claws in the first winding direction, and FIG. The direction of the guide claw in the opposite second winding direction is shown.

As shown in FIG. 10 (a), the integrated yoke bobbin 9 is funnel-shaped or trumpet-shaped, and an opening-side forming portion 91 and a neck-side forming portion 92 are formed corresponding to both ends thereof. Has been done. Here, when the opening side forming portion 91 is mounted on the cathode ray tube, it is arranged on the fluorescent screen side of the cathode ray tube, and the neck side forming portion 92 is arranged on the electron gun side of the cathode ray tube. . Further, the opening-side forming portion 91 has a plurality of sections 93.
And one opening side circumferential groove 95, and the neck side forming portion 92 likewise comprises a plurality of sections 96 and one neck side circumferential groove 97. Furthermore, a plurality of winding grooves 94 are provided across the opening-side circumferential groove 95 and the neck-side circumferential groove 97.

FIG. 10B is a sectional side view taken along the line AA in FIG. 10A, and shows the section 93 and the winding groove 9.
4, opening side circumferential groove 95, neck side circumferential groove 97 and section 96 are shown. Further, the center of the cross section serves as a rotation shaft 98 that rotates the yoke bobbin 9 when it is wound.

FIG. 10 (c) shows the shape of a deflection coil made of a wire wound around the yoke bobbin 9. The wire has an opening-side circumferential groove 95 of the opening-side forming portion 91 extending from the section 93a. Proceed to the section 93b in the direction indicated by the arrow Lf, from the section 93b to the section 96a along the winding groove 94, then proceed through the neck side circumferential groove 97 from the section 96a to the section 96b in the direction indicated by the arrow Lh, and further, Another winding groove 94 from section 96b
Along which the coil is formed by returning to the section 93a.

Next, as shown in FIG. 11, the conventional winding device has a nozzle 7 for discharging a wire rod onto a gantry unit 10.
There is a nozzle unit 70 that includes a wire rod, a guide unit 50 that guides the wire rod, and a holder unit 80 that holds the yoke bobbin 9 shown in FIG. 10. Further, the wire rod 8 is applied from the wire rod reel 81 through the tensioner unit 90 and an optimum tension is applied. It is guided to the nozzle unit 70 and supplied to the yoke bobbin 9 via the nozzle 7.

FIG. 12 shows the details of the guide unit 50 shown in FIG. 11, in which the guide operating section 51 and the reversing unit 5 are shown.
2 and 2 blocks, which are supported by the Z-axis slide unit 54.

The guide operating portion 51 has a guide claw 59, an opening / closing cylinder 56, and a base 57. Open / close cylinder 5
6 is connected to the rear portion of the base 57 by a pin 58a, and
The front part is connected to the guide claw 59 by a pin 58b.
The guide claw 59 is rotatably held by a base 57 by a pin 55. Here, when the shaft of the opening / closing cylinder 56 retreats to the left of the arrow Le, the guide claw 59 moves the pin 5 into the pin 5.
The guide claw 59 opens in the direction of the arrow Rc by rotating about 5. On the other hand, the shaft of the opening / closing cylinder 56 is indicated by the arrow Le.
When it moves forward in the right direction, the guide claw 59 rotates in the direction of arrow Rd and closes. By opening and closing the guide claw 59, the wire is held and released.

The reversing unit 52 has a reversing base 60, a bearing housing 61, a reversing shaft 62, a coupling 63, a rotary actuator 64 and a slide base 53. When the rotary actuator 64 rotates 180 degrees by air pressure, the coupling 6
The reversing shaft 62 and the reversing base 60 connected by 3 are
Invert 80 degrees. As a result, the guide claws 59 as well as the base 57 are rotated in the direction indicated by the arrow Re and inverted.

FIG. 13 shows the relationship between the guide claw 59 and the wire rod 8. In FIG. 13A, when the wire rod 8 is wound in the direction of arrow Lj, the direction of the claw portion 59a is also the direction of arrow Lj. Further, FIG. 7B shows that when the wire 8 is wound in the direction of the arrow Lk, the direction of the claw portion 59a also needs to be in the direction of the arrow Lk. This is necessary in order to reliably wind the wire rod 8 around the yoke bobbin 9.

Therefore, as shown in FIG. 10 (c), when winding from the section 93a to the section 93b in the direction indicated by the arrow Lf, and when the section 96a to the section 9b are wound.
Since the winding direction is opposite to the case of winding 6b in the direction indicated by the arrow Lh, it is necessary to reverse the guide claw 59 as described above in the conventional winding device. Since this reversing time is required, it takes time to wind up the deflection coil, the apparatus becomes complicated, and maintenance work also takes time.

[0012]

As described above, in the conventional winding method, the guide claws must be inverted by 180 degrees and wound according to the winding direction of the deflection coil of the yoke bobbin. It requires a mechanism to rotate, and it takes time to rotate safely.
Therefore, there is a problem that it takes time to form the deflection coil.

[0013]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and guides a wire rod fed from a wire rod supply section to a deflection yoke at a wire rod discharge end of a nozzle by a guide mechanism to wind the wire rod. The guide member of the guide mechanism for holding the wire rod of the winding device is formed in a line symmetrical shape, and
The guide member is fixed to a drive mechanism that can move independently in the three axial directions.

Further, the guide member having the line-symmetrical shape has a curved portion for holding the wire rod on both sides of the line-symmetrical axis, and means for fixing the wire rod to the guide member is provided.

Furthermore, the wire rod is held and wound by using one of the line-symmetrical shaped portions of the guide member as a wire rod holding portion corresponding to one winding direction of winding the wire rod around the deflection yoke. , With respect to the other one of the winding directions, the other one of the line-symmetrical shaped portions is used as a wire rod holding portion to hold the wire rod,
The above problem is solved by using a winding method.

By using the guide tip having the shape of the present invention, the rotation of the guide member in the winding direction, which is conventionally required, can be omitted, and the efficiency of the winding operation can be improved.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to the accompanying drawings. The present invention relates to a device for winding a wire on a yoke bobbin 9 for forming a deflection coil of a cathode ray tube shown in FIG. 10, and a winding method using the device, which is the winding device shown in FIG. This relates to the structure of the guide unit 50.

First, FIG. 1 shows a structure of a guide chip 1, a guide unit 6, and a Y-axis drive section 30 which are features of the present invention. The guide chip 1 has a line symmetrical shape having curved portions 2A and 2B. ing. The curved wire 2A or 2B holds the wire rod 8 shown in FIG. Further, the guide unit 6 is configured to include the pressing tip portion 3, the guide member 4 and the driving cylinder 5, and the driving cylinder 5 causes the pressing tip portion 3 to move in the distal direction of the guide chip 1 so that the guiding tip 1 and the pressing tip portion are moved. The wire rod 8 is held between the wires 3. Furthermore, the Y-axis drive unit 30 is configured to include a member 31, a drive screw 32, and a drive motor 33, and determines the position of the guide chip 1 in the Y-axis direction.

FIG. 2 shows the structure of a drive unit for controlling the position of the guide chip 1. In addition to the Y-axis drive unit 30 described above,
X-axis drive unit 2 including member 21 and drive screw 22
0, the member 41, and the Z-axis drive unit 40 including the drive screw 42, and controls the position of the guide tip 1 that holds the wire rod 8 supplied from the nozzle 7 to cause the yoke bobbin 9 to have a predetermined shape. To wind. At this time, the yoke bobbin 9 is mounted on the holder unit 80 of the winding device shown in FIG. 11, rotates about the rotation shaft 98, and is used for winding the yoke bobbin 9 in the circumferential direction to form a deflection yoke.

Next, the operation of the guide tip 1 and the guide unit 6 will be described with reference to FIGS. 3 and 4.

First, in FIG. 3, the wire 8 has the guide tip 1-
When the guide chip 1 is located in the direction of the Y-axis, the guide wire 1
It shows the first operation mode for holding. FIG. 1A shows the positional relationship between the guide chip 1 and the wire rod 8 and is intended to hold the wire rod 8 by the curved portion 2A. In the figure (b), the guide tip 1 is moved in the -Y direction and is in contact with the wire rod 8, and in the figure (c), the pressing tip part 3 is moved in the + X direction. The state where the wire rod 8 is sandwiched is shown, and FIG. 7D shows the state where the pressing tip portion 3 further moves in the + X direction to firmly hold the wire rod 8.

Further, in FIG. 4, the wire rod 8 is the guide chip 1+
When the guide chip 1 is located in the direction of the Y-axis, the guide wire 1
It shows the first operation mode for holding. FIG. 1A shows the positional relationship between the guide chip 1 and the wire rod 8 and is intended to hold the wire rod 8 at the curved portion 2B. In the figure (b), the guide tip 1 moves in the + Y direction and contacts the wire rod 8, and in the figure (c), the pressing tip part 3 moves in the + X direction and the wire rod 8 moves. 8 shows a state in which the wire 8 is sandwiched, and FIG. 8D shows a state in which the pressing tip portion 3 is further moved in the + X direction to firmly hold the wire rod 8.

The positional relationship between the guide chip 1 and the wire rod 8 described above is determined in correspondence with the winding direction of the wire rod 8. That is, FIG. 3 shows the case where the winding direction is the −Y direction, while FIG. 4 shows the case where the winding direction is the + Y direction. That is, in the conventional case, FIG.
As described with reference to FIG. 3, the guide claw 59 had to be turned 180 degrees in the direction of the arrow Re depending on the winding direction, but the mechanism of the present invention does not require this 180 degree turn. Is.

Next, a winding method by the winding device of the present invention will be described with reference to FIGS.

First, FIG. 5 shows the initial stage of winding by the winding device of the present invention, and FIG. 5 (a) shows the positional relationship between the guide tip 1, the pressing tip portion 3, the nozzle 7, the wire rod 8 and the yoke bobbin 9. It is the sectional side view shown. FIG.
Is a top view of the same figure (a) and shows the guide chip 1 and the wire rod 8.
The wire rod 8 is located in the −Y direction of the guide chip 1, and the guide chip 1 moves in the −Y direction by the Y-axis drive unit 30 to approach the wire rod 8 and After the wire rod 8 contacts the curved portion 2A of No. 1, the pressing tip portion 3 is pushed out in the + X axis direction by the drive cylinder 5, and the curved portion 2A of the guide chip 1 and the pressing tip portion 3 firmly hold the wire rod 8. . FIG. 3C is a top view showing a state in which the wire rod 8 is held by the curved portion 2A of the guide tip 1 and the pressing tip portion 3. The top view of the yoke bobbin 9 is simply shown.

The wire rod 8 shown in FIG. 5 is held by the yoke bobbin 9 by -Y as described with reference to FIG.
10C, the section 93 of FIG.
This corresponds to the case of winding from a to the section 93b in the direction indicated by the arrow Lf.

FIG. 6 shows a second stage following the first stage shown in FIG. 5, and FIG. 6 (a) shows the X-axis drive unit in the state where the guide tip 1 is engaged with the nozzle 7 and the wire rod 8 is stretched. 20 moves in the + X axis direction to the winding start position of the opening side circumferential groove 95 of the yoke bobbin 9, that is, the section 93a in FIG. 10C, and is locked. The figure (b) is a top view of the figure (a), and the figure (c) has shown the state which started winding around the yoke bobbin 9 from the state of the figure (b). This winding is a process in the direction indicated by the arrow Lf from the section 93a to the section 93b in FIG. 10C, and in reality, the yoke bobbin 9 is rotated about the rotation shaft 98 in the direction indicated by the arrow Ra and wound. I do.

Next, FIG. 7 shows a third stage following the second stage shown in FIG. In the figure (a), after the winding reaches the section 93b, the pressing tip portion 3 is retracted in the -X-axis direction by the drive cylinder 5, the wire rod 8 is removed from the guide tip 1, and then the guide unit portion 6 is indicated by the arrow. As indicated by La, the winding position of the neck-side circumferential groove 97 of the yoke bobbin 9 between the X-axis drive unit 20 and the Z-axis drive unit 40, that is, FIG.
Move to section 96a of 0 (c). On the other hand, the nozzle 7 also moves to the winding position of the neck side circumferential groove 97 as shown by the arrow Lb, and the process along the winding groove 94 from the section 93b to the section 96a is performed.

FIG. 4B is a top view of FIG. 4A, and as described with reference to FIG. 4, the guide chip 1 is wound in the + Y direction in the next winding step. It is necessary to hold the wire rod 8 at the curved portion 2B, and therefore the guide chip 1 is arranged in the -Y direction of the wire rod 8.

FIG. 8 is a view showing a fourth step following the third step shown in FIG. 7. In FIG. 8 (a), the guide tip 1 is the neck side forming portion 92 of the yoke bobbin 9, and the wire 8 is attached. It shows the held state. The guide chip 1 is the Y-axis drive unit 3
When the wire rod 8 moves in the + Y direction by 0 to approach the wire rod 8 and the wire rod 8 comes into contact with the curved portion 2B of the guide tip 1, the pressing tip portion 3 is pushed out in the + X axis direction by the drive cylinder 5, and the curved portion of the guide tip 1 is moved. The wire rod 8 is firmly held by 2B and the pressing tip portion 3. The figure (b) is a top view of the figure (a), and the figure (c) has shown the state which started winding around the yoke bobbin 9 from the state of the figure (b). This winding includes sections 96a to 9 in FIG. 10 (c).
6b is a process in the direction indicated by the arrow Li in FIG. 6b. In practice, the yoke bobbin 9 rotates about the rotation shaft 98 in the direction indicated by the arrow Rb for winding.

FIG. 9 shows the completion of one winding step following the fourth step shown in FIG. 8, and FIG. 9 (a) shows that the pressing tip portion 3 is driven after the winding reaches the section 96b. The wire rod 8 is retracted in the -X-axis direction by the cylinder 5 and the wire rod 8 is guided by the guide chip 1.
Remove from After that, the guide unit portion 6 moves to the winding position of the opening-side circumferential groove 95 of the yoke bobbin 9 by the X-axis driving portion 20 and the Z-axis driving portion 40, as shown by the arrow Lc.
On the other hand, the nozzle 7 also moves to the winding position of the circumferential groove 95 on the opening side as shown by the arrow Ld, and the process along the winding groove 94 of the section 96b to the section 93a is performed. FIG.
FIG. 4A is a top view of FIG. 4A, in which the guide chip 1 returns to the initial process position, and one winding process is completed.

As described above, the steps shown in FIGS. 5 to 9 are repeated to wind the yoke bobbin 9 the required number of times,
Form a deflection coil. As you can see from the above explanation,
According to the winding device of the present invention and the winding method using the winding device, it is not necessary to reverse the guide unit portion 6 by 180 degrees depending on the winding direction, and a large reduction in the manufacturing process of the deflection coil is realized.

In the present embodiment, the Y-axis driving section 30 is used for the operation of the guide chip 1 in the Y-axis direction, but the present invention is not limited to this, and it is of course possible to use a swing type or the like. Don't wait

[0034]

EFFECTS OF THE INVENTION Since the distal end portion of the guide tip is provided with a symmetrical curved portion to form a wire rod holding portion, and further a Y-axis drive portion is provided so that the wire rod can be held from the respective left and right directions. It is possible to simplify the winding device by omitting the θ rotation mechanism of the conventional guide unit. Therefore,
The time required to rotate the guide unit is not necessary, the winding can be performed quickly and efficiently, and the winding time of the wire can be shortened.

[Brief description of drawings]

FIG. 1 is a schematic plan view showing a configuration of a guide chip and a guide unit of a winding device according to the present invention.

FIG. 2 is a schematic side view showing a drive unit of a guide chip of the winding device according to the present invention.

3A and 3B are diagrams showing a first operation mode relating to wire rod holding of the winding device according to the present invention, where FIG. 3A is a positional relationship between the guide chip and the wire rod, and FIG. FIG. 7C shows a state in which the wire rod is sandwiched between the guide tip and the pressing tip portion, and FIG. 7D shows a state in which the pressing tip portion further moves to hold the wire rod.

FIG. 4 is a diagram showing a second operation mode relating to wire rod holding of the winding device according to the present invention, where (a) shows the positional relationship between the guide tip and the wire rod, and (b) shows the wire rod when the guide tip moves. FIG. 7C shows a state in which the wire rod is sandwiched between the guide tip and the pressing tip portion, and FIG. 7D shows a state in which the pressing tip portion further moves to hold the wire rod.

FIG. 5 is a view showing a first stage of winding by the winding device of the present invention, and FIG. 5 (a) is a sectional side view showing a positional relationship among a guide tip, a nozzle, a wire rod and a yoke bobbin,
(B) is a top view of (a), and (c) is a top view showing a state in which the guide tip holds the wire from the state of (b).

FIG. 6 is a diagram showing a second stage following the first stage shown in FIG. 5, in which (a) the guide tip holds the wire;
It is a cross-sectional side view showing a state of being set at a winding start point,
(B) is a top view of (a), and (c) is a top view showing a state in which the yoke bobbin has rotated and started winding from the state of (b).

7 is a diagram showing a third stage following the second stage shown in FIG. 6, and FIG. 7 (a) is a sectional side view showing a state in which the guide tip and the nozzle have moved to the neck side of the yoke bobbin, (B) is a top view of (a).

8 is a diagram showing a fourth stage following the third stage shown in FIG. 7, in which (a) is a cross-sectional side view showing a state in which the guide tip holds the wire on the neck side of the yoke bobbin; (B) is a top view of (a), (c) is a top view showing a state in which the yoke bobbin has rotated from the state of (b) to start winding on the neck side.

FIG. 9 is a diagram showing a state in which one step is completed following the fourth step shown in FIG. 8, and FIG. 9 (a) shows that the guide tip and the nozzle move to the beginning position of the yoke bobbin and the one step is completed. It is a cross-sectional side view which shows the state which was done, (b) is a top view of (a).

FIG. 10 shows a yoke bobbin, (a) is a perspective view thereof, (b) is a sectional side view taken along the line AA of (a), and (c) is a perspective view showing the shape of a deflection coil. is there.

FIG. 11 is a perspective view showing an overall configuration of a conventional winding device.

FIG. 12 is a perspective view showing a guide unit portion of the winding device shown in FIG. 11.

FIG. 13 shows an operation of a guide claw of a conventional winding device,
(A) shows the case of the first winding direction, and (b) shows the case of the opposite second winding direction.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Guide tip 2A, 2B Curved part 3 Holding tip part 4 Guide member 5 Drive cylinder 6 Guide unit 7 Nozzle 8 Wire rod 9 Yoke bobbin 10 Stand unit 20 X-axis drive part 21, 31, 41 Member 22, 32, 42 Drive screw 30 Y Shaft drive unit 33 Drive motor 40 Z-axis drive unit 50 Guide unit 51 Guide operation unit 52 Inversion unit 53 Slide base 54 Z-axis slide unit 55, 58a, 58b Pin 56 Open / close cylinder 57 Base 59 Guide claw 59a Claw section 60 Inversion base 61 Bearing housing 62 Inversion shaft 63 Coupling 64 Rotary actuator 70 Nozzle unit 80 Holder unit 81 Wire rod reel 90 Tensioner unit 91 Opening side forming part 92 Neck side forming part 93, 96 set Deployment 94 winding grooves 95 opening side circumferential groove 97 neck side circumferential groove 98 rotary shaft

Claims (4)

[Claims] 1. In a winding device that guides a wire rod fed from a wire rod supply section to a deflection yoke at a wire rod discharge end of a nozzle by a guide mechanism and winds the wire rod, the guide member of the guide mechanism that holds the wire rod has an axisymmetric shape. And the guide member is fixed to a drive mechanism that can move independently in three axial directions. 2. The winding device according to claim 1, wherein the line-symmetrical guide member has a curved portion for holding the wire on both sides of the line-symmetrical axis. 3. The winding device according to claim 1, wherein means for fixing the wire is provided on the line-symmetrical guide member. 4. The wire rod is held and wound by using one of the line-symmetrical shaped portions of the guide member as a wire rod holding portion corresponding to one winding direction of winding the wire rod around the deflection yoke. The winding device according to claim 1, wherein the other side of the line-symmetrical shaped portion is used as a wire rod holding portion for holding the wire rod and winding the wire rod with respect to the other one of the winding directions. Winding method used.