JP2800549B2 - Suction cutting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suction cutting device for automatically sucking and cutting 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, it is necessary to hold the optical fiber 2 immediately after the optical fiber 2 is disconnected and prepare for gripping by the wire hooking means. However, capstan wheel 3
If the holding means is provided in the vicinity of, the gripping operation by the wire hooking means will be hindered, and if the holding means is provided at a position where the gripping operation does not hinder, the holding of the optical fiber 2 becomes uncertain.

[0008]

According to the present invention, there is provided a suction cutting apparatus for suction-cutting a wire fed from a capstan wheel for winding and picking up a wire by being driven. A suction nozzle for sucking the wire fed from the capstan wheel , a gripper for gripping the wire, a cutter for cutting the wire sucked by the suction nozzle provided near the suction nozzle, a suction nozzle and a cutter. It vertically movable held
Characterized in that a temperature descending base.

[0009]

When the wire is broken, the succeeding wire fed from the capstan wheel is sucked by the suction nozzle, and the suction nozzle and the cutter are lowered by the lowering of the elevating base to secure a space for holding the wire. After the wire is gripped by the gripping means, the wire is cut by the cutter.

[0010]

FIG. 1 shows a schematic configuration of a screening apparatus provided with a suction cutting device 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 gripping hand 18 as gripping means for gripping the optical fiber 2 provided at the tip of the arm 17.

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 suction cutting apparatus of the present invention, a suction nozzle for sucking a wire fed from a capstan wheel, gripping means for gripping the wire, and a cutter for cutting the wire sucked by the suction nozzle are provided. Since the suction nozzle and the cutter are raised and lowered by raising and lowering the lifting base, the wire can be held in the vicinity of the capstan wheel, and a space for holding the wire can be secured after the holding. As a result, the wire can be reliably held without losing the space for holding the wire.

[Brief description of the drawings]

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

FIG. 2 is an explanatory diagram of a suction holding state.

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

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁶ , DB name) C03B 37/16 B65H 54/88 C03B 37/12

Claims (1)

(57) [Claims] 1. A suction cutting device for sucking off the wire paid out from the capstan wheel to perform take-off winding of the wire by being driven, a suction nozzle for sucking the wire paid out from the capstan wheel, wire and gripping means for gripping the, and characterized in that it comprises a cutter for performing cutting of the wire is sucked into the suction nozzle provided in the vicinity of the suction nozzle, a temperature descending base that holds the suction nozzle and the cutter liftably Suction cutting device.