JPH05294553A - Automatic wire hooking device - Google Patents

Abstract

PURPOSE:To automatically hook a wire without the necessity of a large scale device. CONSTITUTION:In an automatic wire hooking device comprising a wire transverse feeding and hooking machine 12 for gripping an optical fiber 2 paid out from a capstan wheel 3, a wire winding and hooking machine 13 for receiving the optical fiber 2 gripped by the mechanism 12 and shifting the same onto a wind-up roll 7, an elevatable and rotatable arm 17 is provided to the wire transverse feeding and hooking machine 12, and the wire winding and hooking machine 13 is simplified, thereby it is possible to hook and return the optical fiber in a screening device without using a large-scale device.

Description

Detailed Description of the Invention

[0001]

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

[0002]

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

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

In the figure, 1 is a feeding roll for feeding out the drawn optical fiber 2, 3 is a capstan wheel around which the optical fiber 2 is wound and drawn, and the capstan wheel 3 supports the optical fiber 2 by a capstan belt 4. It is like this. Reference numeral 5 is a screening roll, and 6 is a tension roll. Tension is applied to the optical fiber 2 by the axial torque between the capstan wheel 3 and the screening roll 5, and the optical fiber 2 is wound by the winding roll 7. Reference numeral 8 denotes an arm-type control dancer provided between the control roll 1 and the capstan wheel 3, which includes the capstan wheel 3 and control roll 1.
The fluctuations in speed and tension between the two are absorbed by the control dancer 8. In the figure, 5a and 6a are lifting rollers.

In the above-described screening apparatus, the optical fiber 2 is fed from the feeding roll 1, tension is applied between the capstan wheel 3 and the screening roll 5 by the axial torque, and the optical fiber 2 is taken up by the take-up roll 7. The line speed is determined by driving the capstan wheel 3. Variations in speed and tension between the feeding roll 1 and the capstan wheel 3 are absorbed by the feeding 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 the low strength portion. Thereby, the optical fiber 2 in the low strength portion is not wound by the winding roll.

After the disconnection, the optical fiber 2 has a lifting roller 5
After raising a and 6a, the line is laid manually.

[0007]

In the above-mentioned screening apparatus, the optical fiber 2 is tested by the screening test.
Since the wire breaks in the low-strength part, the low-strength part is not wound, but the work was interrupted when the wire was broken, which was inefficient and required manpower. In particular, the mechanism for receiving the optical fiber 2 from the capstan wheel 3 and the optical fiber 2
Since the mechanism for passing the optical fiber 2 to the take-up wheel 7 is different, the device for automatically transferring the optical fiber 2 requires a large area for gripping and moving the optical fiber 2.

[0008]

The structure of the present invention for solving the above-mentioned problems is a capstan wheel on which a wire is wound and drawn by being driven, and a winding device for winding the wire drawn from the capstan wheel. A wheel, a first wire rod gripping means for gripping the wire rod fed from the capstan wheel, a second wire rod gripping means for receiving and gripping the wire rod gripped by the first wire rod gripping means, and passing the gripped wire rod to a winding wheel And means.

[0009]

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

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a schematic structure of a screening apparatus equipped with an automatic drawing apparatus according to an 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 redundant description will be omitted.

The subsequent portion of the broken optical fiber 2 is conveyed from the capstan wheel 3 to the take-up roll 7 by the automatic line hooking device 11. The automatic wire threading device 11 includes a lateral feed wire threading machine 12 as a first wire rod gripping means for transporting the optical fiber 2 fed from the capstan wheel 3 to the upper part of the winding roll 7 from the capstan wheel 3, and a lateral feed. A winding wire hanging machine 13 as a second wire rod holding means that receives the optical fiber 2 from the wire winding machine 12 and conveys the optical fiber 2 from the upper part of the winding roll 7 to the winding roll 7 and transfers it to the winding roll 7. It consists of The lateral feed wire hanging machine 12 and the winding wire hanging machine 13 are provided with guide rails 14 and 15, respectively.
Supported by.

The lateral feed wire hanging machine 12 is supported by a guide rail 14 to move, and an arm 1 supported by the moving member 16 so as to be vertically movable and rotatable about its base end.
7 and a hand 18 that holds the optical fiber 2 provided at the tip of the arm 17.

The winding wire hanging machine 13 is composed of a moving member 19 which is supported by a guide rail 15 and moves, and a hand 20 which is provided on the moving member 19 and holds the optical fiber 2.

A suction cutting device 21 is provided on the downstream side of the capstan wheel 3 in the conveying direction of the optical fiber 2. The suction cutting device 21 sucks the broken optical fiber 2 and cuts the end portion.

The suction cutting device 21 is provided in an elevating base 22 which is supported so as to be able to move up and down, a suction nozzle 23 which is provided in the elevating base 22 and which sucks the optical fiber 2, and an elevating base 22 which is located above the suction nozzle 23. Optical fiber 2
And a cutter 24 for cutting.

Normally, the suction cutting device 21 is at the rising end position, and immediately after the optical fiber 2 is broken, the succeeding optical fiber 2 is sucked by the suction nozzle 23. After sucking the optical fiber 2, the suction cutting device 21 descends to secure a holding space for the optical fiber 2 by the lateral feed wire hooking device 12. After the optical fiber 2 is gripped, the cutter 24 cuts the optical fiber 2 and processes the end portion.

The hooking operation in the screening apparatus equipped with the above-mentioned automatic hooking apparatus will be described with reference to FIGS. 2 to 5. 2 and 3 show the state of gripping by the lateral feed wire hanging machine 12, and FIGS. 4 and 5 show the state of gripping change to the winding wire hanging machine 13.

As shown in FIGS. 2 and 3, when the disconnection of the optical fiber 2 occurs, it is detected that the tension of the system has decreased, and the suction nozzle 23 sucks the subsequent portion of the optical fiber 2. After suction by the suction nozzle 23, the suction cutting device 21 descends, the arm 17 of the lateral feed wire hanging machine 12 descends and rotates, and the hand 18 holds the optical fiber 2. After the optical fiber 2 is gripped by the hand 18,
The cutter 24 cuts the optical fiber 2 and processes the end portion.

After the optical fiber 2 is cut, the capstan belt 4 is raised and can be freely driven from the capstan wheel 3. As shown in FIG. 3, the arm 17 rotates and rises, and the movement of the moving member 16 conveys the optical fiber 2 to the upper part of the winding roll 7.

Even if the speed of the moving member 16 fluctuates during conveyance, the capstan belt 4 is still raised, so that the control dancer 8 swings to adjust the rotation speed of the control roll 1 and thus The optical fiber 2 that absorbs fluctuations and is conveyed maintains a constant tension.

On the upper part of the winding roll 7, the optical fiber 2 is
As shown in FIGS. 4 and 5, the lateral feed wire hanging machine 12 is gripped and replaced by the winding wire hanging machine 13.

As shown in FIG. 4, the arm 17 of the transverse feed wire hanging machine 12 descends and rotates at the upper part of the winding roll 7, and the hand 18 of the arm 17 is below the hand 20 of the winding wire hanging machine 13. Wrap around. As shown in FIG.
After gripping the optical fiber 2 by, the grip by the hand 18 is released, the arm 17 rotates and the arm 17 rises to complete the grip replacement.

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

The above-mentioned automatic wire hanging device is a transverse feed wire hanging machine 12 which receives the optical fiber 2 from the capstan wheel 3.
And the take-up line hanging machine 13 that receives the optical fiber 2 from the lateral feed wire hanging machine 12 and sends it to the take-up roll 7, the take-up wire hanging machine 13 has a complicated gripping mechanism. A simple mechanism that can move the take-up roll 7 to a predetermined position without the need can be provided. In addition, since the lateral feed wire hanging machine 12 only reciprocates on the rail 14,
Since the optical fiber 2 is securely gripped even in a narrow place, the lateral feed wire hanging machine 12 having a highly accurate structure can be obtained.

It is also possible to provide the first wire rod gripping means dedicated to gripping the optical fiber 2 instead of the transverse feed wire hooking machine 12 and move only the winding wire hooking machine 13.

Since the suction / cutting device 21 is provided on the downstream side of the capstan wheel 3 so as to be vertically movable, the optical fiber 2 after the disconnection can be sucked in the vicinity of the capstan wheel 3 and the optical fiber 2 can be sucked. After that,
By lowering it, it is possible to sufficiently secure a gripping work space in the lateral feed wire hanging machine 12.

The above-mentioned automatic hooking device and suction cutting device 2
In the screening device provided with 1, the optical fiber 2 can be automatically returned to the loop without relying on human labor.

[0028]

According to the automatic wire hanging device of the present invention, the first wire rod holding means for holding the wire rod fed from the capstan wheel and the wire rod held by the first wire rod holding means receive and hold the wire rod. Since the second wire gripping means for delivering the wire to the winding wheel is provided, the first wire gripping means can be provided with a highly accurate gripping mechanism and the second wire gripping means can be a simple mechanism. .. As a result, it is possible to automatically wire the wire without using a large-scale device.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of a screening device including an automatic hanging device according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram of a gripping state by a lateral feed wire hanging machine.

FIG. 3 is an explanatory view of a gripping state by a lateral feed wire hanging machine.

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

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

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

[Explanation of symbols]

 1 Feeding 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 Lifting base 23 Suction nozzle 24 Cutter

Claims (1)

[Claims] 1. A capstan wheel for winding and pulling a wire rod when driven, a winding wheel for winding a wire rod unwound from the capstan wheel, and a first wire rod gripping the wire rod unwound from the capstan wheel. An automatic wire drawing device comprising: a gripping means; and a second wire rod gripping means for receiving and gripping the wire rod gripped by the first wire rod gripping means and delivering the gripped wire rod to a winding wheel.