JP2620459B2 - Automatic wire hanging device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic laying device for automatically laying a wire.

[0002]

2. Description of the Related Art In a process of manufacturing an optical fiber as a wire, a pre-test (screening test) for breaking and removing a weak portion is performed, and the screening test is performed by a screening apparatus.

A screening device will be described with reference to FIG. FIG. 6 shows a schematic configuration of the screening apparatus.

In the drawing, reference numeral 1 denotes a take-out roll for feeding out a drawn optical fiber 2, 3 denotes a capstan wheel around which the optical fiber 2 is wound and pulled, and the capstan wheel 3 supports the optical fiber 2 by a capstan belt 4. It has become. 5 is a screening roll, 6 is a tension roll, tension is applied to the optical fiber 2 between the capstan wheel 3 and the screening roll 5 by an axial torque, and the optical fiber 2 is wound by a winding roll 7. Reference numeral 8 denotes an arm-type control dancer provided between the control roll 1 and the capstan wheel 3, and the capstan wheel 3 and the control roll 1
The fluctuations in speed and tension between the two are absorbed by the control dancer 8. In the drawings, reference numerals 5a and 6a are elevating rollers.

In the above-described screening apparatus, the optical fiber 2 is fed from the take-out roll 1, tension is applied between the capstan wheel 3 and the screening roll 5 by an axial torque, and the take-up roll 7 takes up the tension. The line speed is determined by driving the capstan wheel 3. Fluctuations in speed and tension between the take-out roll 1 and the capstan wheel 3 are absorbed by the take-out dancer 8. Tension is applied to the optical fiber 2 between the capstan wheel 3 and the screening roll 5, and the optical fiber 2 is disconnected at a low strength portion. Thereby, the optical fiber 2 in the low strength portion is not wound up by the winding roll.

After the disconnection, the optical fiber 2 is lifted by a lifting roller 5.
After raising a and 6a, the wire is drawn manually.

[0007]

In the above-described screening apparatus, the optical fiber 2 is subjected to a screening test.
However, since the low-strength portion is disconnected at the low-strength portion, the low-strength portion is not wound up. In particular, a mechanism for receiving the optical fiber 2 from the capstan wheel 3 and a mechanism for receiving the optical fiber 2
Since the mechanism for transferring the optical fiber 2 to the winding wheel 7 is different, the device that automatically transports the optical fiber 2 requires a large portion to grip and move the optical fiber 2.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is directed to a capstan wheel which is wound around a wire by being driven, and a winding which winds a wire unreeled from the capstan wheel. Wheel, first wire gripping means for gripping the wire fed from the capstan wheel, second wire gripping for receiving and gripping the wire gripped by the first wire gripping means, and passing the gripped wire to the winding wheel. Means.

[0009]

When the wire is broken, the subsequent wire fed from the capstan wheel is gripped by the first wire gripping means, and the wire is changed from the first wire gripping means to the second wire gripping means, and the second wire is gripped. It is passed to the winding wheel by the gripping means.

[0010]

FIG. 1 shows a schematic configuration of a screening apparatus provided with an automatic hooking apparatus according to one embodiment of the present invention. Since the configuration of the screening apparatus is the same as that shown in FIG. 6, the same reference numerals are given and duplicate explanations are omitted.

The trailing portion of the broken optical fiber 2 is conveyed from the capstan wheel 3 to the take-up roll 7 by the automatic hooking device 11. The automatic wire hooking device 11 includes a horizontal feed wire hooking machine 12 as first wire gripping means for transporting the optical fiber 2 fed from the capstan wheel 3 from the capstan wheel 3 to an upper portion of the winding roll 7, A winding wire hooking machine 13 serving as a second wire gripping means that receives the optical fiber 2 from the wire winding machine 12, conveys the optical fiber 2 from above the winding roll 7 to the winding roll 7, and transfers the optical fiber 2 to the winding roll 7. Consists of The horizontal feed line hooking machine 12 and the winding line hooking machine 13 have guide rails 14 and 15, respectively.
It is supported by.

The horizontal feeder hooking machine 12 includes a moving member 16 which is supported by a guide rail 14 and moves, and an arm 1 which is supported by the moving member 16 so as to be movable up and down and rotatable about a base end.
7 and a hand 18 provided at the tip of the arm 17 for holding the optical fiber 2.

The take-up wire hooking machine 13 is composed of a moving member 19 supported by the guide rail 15 and moving, and a hand 20 provided on the moving member 19 and holding the optical fiber 2.

A suction cutting device 21 is provided on the downstream side of the capstan wheel 3 in the transport direction of the optical fiber 2, and sucks the disconnected optical fiber 2 by the suction cutting device 21 and cuts the end.

The suction / cutting device 21 includes an elevating base 22 supported so as to be able to move up and down, a suction nozzle 23 provided on the elevating base 22 for sucking the optical fiber 2, and an elevating base 22 located above the suction nozzle 23. Optical fiber 2
And a cutter 24 that cuts the sheet.

Normally, the suction cutting device 21 is at the rising end position, and sucks the succeeding optical fiber 2 by the suction nozzle 23 immediately after the optical fiber 2 is disconnected. After sucking the optical fiber 2, the suction cutting device 21 descends to secure a space for gripping the optical fiber 2 by the horizontal feeder hooking machine 12. After the optical fiber 2 is gripped, the optical fiber 2 is cut by the cutter 24 and the end is processed.

A description will be given, with reference to FIGS. 2 to 5, of a wire-drawing operation of the screening device having the above-mentioned automatic wire-drawing device. 2 and 3 show a gripping state by the horizontal feeder 12 and FIGS. 4 and 5 show a gripping state by the winding liner 13.

As shown in FIGS. 2 and 3, when a break in the optical fiber 2 occurs, it is detected that the tension of the system has decreased, and the succeeding portion of the optical fiber 2 is sucked by the suction nozzle 23. After the suction by the suction nozzle 23, the suction cutting device 21 is lowered, and the arm 17 of the horizontal feeder 12 is lowered and rotated, and the optical fiber 2 is gripped by the hand 18. After the optical fiber 2 is gripped by the hand 18,
The optical fiber 2 is cut by the cutter 24 and the end is processed.

After the optical fiber 2 is cut, the capstan belt 4 is raised, and the capstan wheel 3 is free to be pulled out. As shown in FIG. 3, the arm 17 rotates and moves up, and the optical fiber 2 is conveyed to the upper portion of the winding roll 7 by the movement of the moving member 16.

Even if the speed of the moving member 16 fluctuates at the time of conveyance, since the capstan belt 4 is raised, the take-out dancer 8 swings and the rotation speed of the take-out roll 1 is adjusted. A constant tension is maintained in the optical fiber 2 that is conveyed while absorbing the fluctuation.

The optical fiber 2 above the winding roll 7 is
As shown in FIG. 4 and FIG. 5, the gripper is changed from the horizontal feed wire hooking machine 12 to the winding wire hooking machine 13.

As shown in FIG. 4, the arm 17 of the horizontal feeder 12 descends and rotates above the take-up roll 7, and the hand 18 of the arm 17 is moved below the hand 20 of the take-up machine 13. Wrap around. As shown in FIG.
After gripping the optical fiber 2, the gripping by the hand 18 is released, and the arm 17 rotates and rises to complete the gripping change.

The optical fiber 2 gripped by the take-up wire hooking machine 13 is carried to the take-up roll 7 by the lowering of the moving member 19, and the optical fiber 2 is fixed by a not-shown fixing means (tape applicator or the like). 7 is fixed at a predetermined position.

The above-described automatic wire hooking device is a transverse feed wire hooking machine 12 for receiving the optical fiber 2 from the capstan wheel 3.
And a winding line hooking machine 13 that receives the optical fiber 2 from the horizontal feeding line hooking machine 12 and sends it to the winding roll 7. Therefore, the winding line hooking machine 13 has a complicated gripping mechanism. A simple mechanism that can be moved to a predetermined position with respect to the take-up roll 7 without need is provided. Also, since the transverse feeder 12 only reciprocates on the rail 14,
Since the optical fiber 2 is securely gripped even in a narrow place, it is possible to obtain the horizontal feeder hooking machine 12 having a highly accurate configuration.

It is also possible to provide a first wire gripping means exclusively for gripping the optical fiber 2 in place of the horizontal feed wire hooking machine 12, and move only the winding wire hooking machine 13.

Further, since the suction and cutting device 21 is provided on the downstream side of the capstan wheel 3 so as to be able to move up and down, the broken optical fiber 2 can be sucked near the capstan wheel 3 and the optical fiber 2 can be sucked. After that,
By lowering, it is possible to sufficiently secure a gripping work space in the horizontal feeder hooking machine 12.

The above automatic wire hooking device and suction cutting device 2
In the screening apparatus provided with 1, the wire of the optical fiber 2 can be automatically returned to the line without relying on humans.

[0028]

According to the automatic wire hooking device of the present invention, the first wire gripping means for gripping the wire fed from the capstan wheel, and the wire gripped by the first wire gripping means are received, gripped and gripped. Since the second wire rod gripping means for transferring the wire rod to the winding wheel is provided, a highly accurate gripping mechanism can be provided in the first wire rod gripping means, and the second wire rod gripping means can be a simple mechanism. . As a result, it is possible to automatically wire a wire without using a large-scale device.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a screening device provided with an automatic hooking device according to one embodiment of the present invention.

FIG. 2 is an explanatory view of a gripping state by a horizontal feeder hooking machine.

FIG. 3 is an explanatory diagram of a gripping state by a horizontal feeder hooking machine.

FIG. 4 is an explanatory view of a grip change situation.

FIG. 5 is an explanatory view of a grip change situation.

FIG. 6 is a schematic configuration diagram of a screening device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Take-out roll 2 Optical fiber 3 Capstan wheel 4 Capstan belt 5 Screening roll 7 Winding roll 11 Automatic wire hanging device 12 Side feed wire hanging machine 13 Winding wire hanging machine 16 Moving member 17 Arm 18 Hand 19 Moving member 20 Hand 21 Suction cutting device 22 Elevating base 23 Suction nozzle 24 Cutter

Claims (1)

(57) [Claims] 1. A capstan wheel on which a wire is wound and pulled by being driven, a winding wheel for winding a wire unreeled from the capstan wheel, and a first wire for gripping the wire unreeled from the capstan wheel An automatic wire hooking device comprising: gripping means; and second wire gripping means for receiving and gripping the wire gripped by the first wire gripping means, and passing the gripped wire to a winding wheel.