JPH05234742A - Winding machine for superconducting coil - Google Patents

Abstract

PURPOSE:To easily and stably form a superconducting coil in which floating of a wire material at the time of winding and slack of an insulating tape are prevented and which has a high dimensional accuracy and achieves excellent performance. CONSTITUTION:The winding machine for a superconducting coil comprises a guide mechanism 7 for aligning a wire material 5 to be fed from a wire material feeding mechanism 1 and an insulation tape 6 to be fed from an insulation tape feeding mechanism 2, and a mechanism 9 for hammering a superconducting coil to be wound by a winding mechanism 3 to shape it. Further, the machine comprises a slack preventing mechanism for applying a tension to the tape 6 to be fed from the mechanism 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a superconducting coil winding machine having a mechanism for simultaneously winding a wire and an insulating tape.

[0002]

2. Description of the Related Art FIGS. 10A and 10B are a top view and a front view showing an example of a conventional superconducting coil winding machine.
As shown in the figure, this winding machine includes a wire rod feeding mechanism 1,
An insulating tape feeding mechanism 2, a winding mechanism 3, and a tension measuring unit 4 are provided. As shown in the figure, the wire rod 5 fed from the wire rod feeding mechanism 1 is guided to the winding mechanism 3 via the tension measuring unit 4. On the other hand, the insulating tapes 6 respectively fed from the tape rolls 2 a and 2 b of the insulating tape feeding mechanism 2 are guided to the winding mechanism 3.

The winding mechanism 3 is for winding the wire 5 and the insulating tape 6 to form a superconducting coil. The winding disk 31 and a drive for rotating the winding disk 31. And a part 32. Winding disc 3
1 comprises an upper disc 31a, a lower disc 31b, and a winding shaft sandwiched between these two discs. When the winding disk 31 is rotated by the drive of the drive unit 32, the wire rod 5 fed from the wire rod feeding mechanism 1 and the insulation fed from the tape rolls 2a and 2b are wound around the winding shaft. The tape 6 and the tape 6 are concentrically overlapped and wound up, thereby forming a double pancake (two-layer) type superconducting coil by the wire 5 and the two insulating tapes 6. At this time, the tension measuring unit 4 measures and monitors the tension so that a constant tension is always applied to the wire 5.

[0004]

In the above winding machine, a twisting wire having a width of 4 mm and a thickness of 1.5 mm is tensioned and about 120 turns (a winding diameter of about 680 mm) together with two insulating tapes. It's just a roll. However, since twisting is generally generated when tension is applied to the twisted wire, the wire 5 may collapse during winding. For this reason,
As the number of turns increases, the coil lifts up,
There was a risk that the coil would collapse. Further, as described above, the wire 5 delivered from the wire delivery mechanism 1 is always applied with a constant tension, but the insulating tape 6 is not applied with tension. The slack generated in the tape 6 may cause a deviation between the wire 5 and the insulating tape 6 or between the insulating tapes 6. Due to the deviation of the wire 5 and the insulating tape 6, the dimensional accuracy of the coil becomes unstable.

Therefore, an object of the present invention is to prevent the wire rod from rising and the insulating tape from slacking during winding, have a high dimensional accuracy, and can easily and stably form a superconducting coil that exhibits good performance. It is to provide a superconducting coil winding machine.

[0006]

In order to solve the above problems and achieve the object, the following measures were taken in the present invention.

That is, a wire rod feeding mechanism for feeding a wire rod, an insulating tape feeding mechanism for feeding an insulating tape, and a wire rod and an insulating tape fed respectively from the wire rod feeding mechanism and the insulating tape feeding mechanism are concentrically wound. In a superconducting coil winding machine including a winding mechanism for forming a predetermined two-layer superconducting coil, a wire rod fed from the wire rod feeding mechanism and an insulating tape fed from the insulating tape feeding mechanism. And a guide mechanism for aligning and, and a striking mechanism for striking and shaping the superconducting coil formed by the winding mechanism.

[0008]

As a result of taking the above measures, the following effects occur.

Since the surface of the superconducting coil is struck and shaped by the striking mechanism at the time of winding, it is possible to prevent the wire rod from collapsing. As a result, the floating phenomenon of the wire rod is prevented, and thereby the dimensional accuracy is improved and a superconducting coil exhibiting good performance can be obtained. Moreover, since the wire rod and the insulating tape are aligned by the guide mechanism, the wire rod and the insulating tape are prevented from being displaced from each other and the insulating tape from being displaced from each other at the time of winding, so that continuous winding of the coil can be stably performed. Is possible.

[0010]

1 is a top view showing the structure of a superconducting coil winding machine according to an embodiment of the present invention. As shown in the figure,
This superconducting coil winding machine is different from the conventional winding machine shown in FIG.
The tapping mechanism 9 is newly added. Hereinafter, the configurations and operational effects of these mechanisms will be sequentially described with reference to the drawings.

FIG. 2 is an enlarged view showing the structure of the guide mechanism 7 with a part thereof cut away. 3 is a sectional view of the guide mechanism 7 as seen from the front. 2 and 3, in FIG.
Reference numeral 1 denotes a concave guide roller having a concave side surface, and 72 denotes a convex guide roller having a convex side surface. The concave guide roller 71 and the convex guide roller 72 are adapted to mesh with each other by the pulling force of the coil spring 75. Further, the wire 5 fed from the feeding mechanism 1 and the insulating tape 6 introduced from the tape rolls 2a and 2b through the roller 74 pass through the joint between the concave portion and the convex portion to the winding mechanism 3. It will be sent. That is, during winding, the wire 5 and the insulating tape 6 are respectively introduced into the guide mechanism 7 so that the deviation between them is corrected, and in this state, the winding mechanism 3 winds the wire.

On the other hand, FIGS. 4A and 4B are a top view and a front view showing the structure of the insulating tape slack preventing mechanism 8, respectively. Further, FIG. 5 is a side view showing the slack prevention mechanism 8 partially broken and shown together with the tape roll 2a (same for the tape roll 2b side). As shown in FIG.
A guide rail 82 is installed in the vicinity of the tape roll 2a, and a roller 81 movable along the guide rail 82 is provided on the guide rail 82. As shown in FIG. 5, the roller 81 is provided so as to have the same height as the tape roll 2a. The insulating tape 6 is temporarily pulled out from the tape roll 2a in a direction opposite to the winding mechanism 3 side, then is stretched around the roller 81 and then is fed toward the guide mechanism 7. When the winding is started, the insulating tape 6 is pulled in the direction of the arrow in FIG. 4, so that the roller 81 is moved to the winding mechanism 3 side and the tension spring 83 is extended. Therefore, the tensile force of the tension spring 83 causes the insulating tape 6 interposed between the roller 81 and the winding mechanism 3.
It is possible to generate a predetermined tension in the.

As described above, by providing the guide mechanism 7 for aligning the wire 5 and the insulating tape 6 and preventing the insulating tape 6 from loosening by the insulating tape loosening prevention mechanism 8, the wire 5 and the insulating tape 6 are separated from each other. The problem that the displacement of the insulating tape 6 and the displacement of the insulating tape 6 are caused is eliminated. This makes it possible to continuously perform stable coil winding. Since the concave guide roller 71 and the convex guide roller 72 shown in FIGS. 2 and 3 have a structure capable of moving integrally on the rail 73, they are always irrespective of the winding progress of the winding mechanism 3. The tension of the wire 5 can be kept constant. Next, the configuration and operation of the tapping mechanism 9 will be described with reference to FIGS.

First, FIGS. 6A and 6B are a top view and a side view showing the overall structure of the tapping mechanism 9, respectively. 7 (a) and 7 (b) are views showing the drive unit of the beating mechanism 9, and FIGS. 8 (a) and 8 (b) are enlarged views of the main parts of the drive unit of the beating mechanism 9. Further, FIG. 9 is a view showing a positional relationship between the tapping mechanism 9 and the winding mechanism 3.

As shown in FIG. 6, the striking mechanism 9 includes a striking plate 91 and a drive portion 92. As shown in FIG. 9, the tip of the striking plate 91 is inserted between the upper disc 31a and the lower disc 31b of the winding disc 31. The drive unit 92 includes a lever 93, a rotary disc 94, a kicker 95, a motor 96, and
And a torsion spring 97. Rotary disc 94
Three pins 98 are made to project from the surface of each of them by a coil spring 99. As shown in FIG. 8, each pin 98 is provided with a kicker contact portion 98a. Further, the motor 96 and the rotary disk 94 are connected by a gear connecting portion 100.

The lever 93 is a pin 98 incorporated in a rotary disk 94 which is driven to rotate by a motor 96.
It is hooked by and is rotated in the direction of the kicker 95. When pin 98 comes to kicker 95, pin 9
The kicker contact portion 98a of 8 contacts the kicker 95, so that the pin 98 is pushed into the rotary disk 94. This state is shown in FIG.

When the pin 98 is pushed into the rotary disk 94, the lever 93 is released from the forced rotation, and at the same time, the restoring force of the torsion spring 97 reverses the lever 93 to its original position and strikes the striking plate 91. As a result, the hitting plate 91 hits the surface of the wire 5 already wound. At the same time, the pin 98 that has passed through the kicker 95 is pushed again to the surface of the rotary disk 94 by the coil spring 99. Thereafter, similarly, the levers 93 are successively rotated by the three pins 98 on the rotary disk 94, and are reversed by the kicker 95 to continue to strike the strike plate 91.

As described above, by providing the hitting mechanism 9 for hitting the wire rod wound on the winding disc 31, it is possible to prevent the wire rod 5 from collapsing during winding. As a result, the floating phenomenon of the wire 5 is prevented, and it is possible to form a superconducting coil having high dimensional accuracy and stable strength.

The present invention is not limited to the above embodiment. For example, in the above embodiment, the winding machine for stacking two insulating tapes 6 has been described as an example. However, this is not limited to this, but a winding machine using one insulating tape or a winding machine using more insulating tapes is used. It can also be applied to machines. In addition, various modifications can be made without departing from the scope of the present invention.

[0020]

As described above in detail, according to the present invention, a guide mechanism for aligning the wire rod fed from the wire rod feeding mechanism and the insulating tape fed from the insulating tape feeding mechanism is provided, and the winding mechanism is used. Since a striking mechanism for striking and shaping the superconducting coil to be wound is provided, and a slack preventing mechanism for imparting tension to the insulating tape fed from the insulating tape feeding mechanism is provided, the wire rod during winding The floating of the tape and the loosening of the insulating tape are prevented, and it has high dimensional accuracy.
A superconducting coil winding machine capable of easily and stably forming a superconducting coil exhibiting good performance can be provided.

[Brief description of drawings]

FIG. 1 is a top view showing the configuration of a superconducting coil winding machine according to an embodiment of the present invention.

FIG. 2 is an enlarged view showing a partially broken configuration of a guide mechanism.

FIG. 3 is a sectional view of the guide mechanism viewed from the front.

4A and 4B are a top view and a front view showing a configuration of an insulating tape slack preventing mechanism.

FIG. 5 is a side view in which the insulating tape slack preventing mechanism is partially broken and shown together with a tape roll.

6A and 6B are a top view and a side view showing the overall structure of a tapping mechanism.

FIG. 7 is a diagram showing a drive unit of a beating mechanism.

FIG. 8 is an enlarged view of a main part of a drive unit of a tapping mechanism.

FIG. 9 is a diagram showing a positional relationship between a tapping mechanism and a winding mechanism.

FIG. 10 is a top view and a front view showing an example of a conventional superconducting coil winding machine.

[Explanation of symbols]

1 ... Wire feeding mechanism, 2 ... Insulating tape feeding mechanism,
2a, 2b ... Tape roll, 3 ... Winding mechanism, 4 ... Tension measuring unit, 5 ... Wire rod, 6 ... Insulating tape, 7 ... Guide mechanism,
8 ... Insulation tape slack prevention mechanism, 9 ... Striking mechanism, 31 ... Winding disc, 31a ... Upper disc, 31b ... Lower disc, 32 ... Drive part, 71 ... Concave guide roller, 72 ... Convex guide roller, 73 ... Rail, 74 ... Roller, 75 ... Coil spring,
81 ... Roller, 82 ... Guide rail, 83 ... Extension spring, 91 ... Strike plate, 92 ... Drive part, 93 ... Lever, 94
… Rotary disk, 95… Kicker, 96… Motor,
97 ... torsion spring, 98 ... pin, 98a ... kicker contact portion, 99 ... coil spring, 100 ... gear coupling portion.

Claims (2)

[Claims] 1. A wire rod feeding mechanism for feeding a wire rod, an insulating tape feeding mechanism for feeding an insulating tape, and a wire rod and an insulating tape fed concentrically from the wire rod feeding mechanism and the insulating tape feeding mechanism, respectively. In a superconducting coil winding machine including a winding mechanism for forming a predetermined two-layer superconducting coil, a wire rod fed from the wire rod feeding mechanism and an insulating tape fed from the insulating tape feeding mechanism. A superconducting coil winding machine, characterized by comprising: a guide mechanism for aligning with each other and a striking mechanism for striking and shaping the superconducting coil formed by the winding mechanism. 2. The superconducting coil winding machine according to claim 1, further comprising a loosening prevention mechanism for applying tension to the insulating tape fed from the insulating tape feeding mechanism to prevent loosening.