JPH02100007A - Apparatus for producing optical fiber - Google Patents

Abstract

PURPOSE:To eliminate the need for combination installation of a drawing device, screening device, coloring device, tape producing apparatus, etc., by installing an optical fiber take-up device, optical fiber cleaning device and optical fiber supplying device in combination by varying the positions in the direction horizontal with the take-off capstan of an optical fiber drawing device which faces perpendicular. CONSTITUTION:The optical fiber base material 2 supplying mechanism of the optical fiber drawing device 1, a heating furnace 4, a guide sheave 8, resin coating dies 6, 8, resin curing devices 7, 9, the take-off capstan 12, etc., are perpendicularly arranged. The optical fiber take-up device 13, the optical fiber screening device 14 and the optical fiber supplying device 15 are installed in combination therewith by varying the positions in the direction horizontal with the take-off capstan 12. The need for the devices for each of the stages is, therefore, eliminated by using these devices in combination. The need for separate installation of the devices for each of the stages for drawing, screening coloring and taping is eliminated in this way.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to an optical fiber manufacturing apparatus capable of performing various steps of manufacturing optical fibers.

[Prior Art] The following equipment and processes must be used before turning an optical fiber base material into an optical fiber and making it into a tape.

Name of the device Outline of the process (a) Drawing device A process for obtaining optical fiber core wire from the optical fiber base material (b) Screening device A process for performing a tensile test on the optical fiber core wire (c) Coloring device A process for coloring the optical fiber core wire in six colors (d) Tape manufacturing device Process of forming a colored optical fiber core wire into a tape [Problem to be solved by the invention] Conventionally, each of the devices shown in (a) to (d) performs one process, so 4! ! There was a problem in that it was not possible to convert the optical fiber base material into optical fibers and tape them without the installation of this equipment.

[Means for Solving the Problems] To explain in detail the present invention for achieving the above object, an optical fiber manufacturing apparatus according to the present invention includes an optical fiber preform supply mechanism of an optical fiber drawing apparatus.

Heating furnace, guide sieve, resin coated die, resin curing machine,
A take-up capstan and the like are arranged vertically, and an optical fiber winding device, an optical fiber screening device, and an optical fiber supply device are installed at different positions in the horizontal direction with respect to the take-up capstan. shall be.

[Operation 1] Such a device performs a bowing process of an optical fiber core wire by using an optical fiber drawing device and an optical fiber winding device.

The optical fiber screening process is performed using an optical fiber screening device, a take-off capstan of an optical fiber drawing device, and an optical fiber winding device. A supply section of an optical fiber screening device or an optical fiber supply device, a guide sheave of an optical fiber drawing device, and a resin coating die.

The process of coloring the optical fiber core wire is performed using a resin curing machine, a take-up capstan, and an optical fiber winding device. The process of forming a colored optical fiber core wire into a tape is performed using an optical fiber supply device, a guide sheave of an optical fiber drawing device, a Vi4 resin coating die, a resin curing device, a take-up capstan, and an optical fiber winding device.

[Example] Hereinafter, an example of the present invention will be described in detail with reference to the drawings. The optical fiber manufacturing apparatus of this embodiment includes an optical fiber drawing apparatus 1 as shown in FIG.

The optical fiber drawing apparatus 1 includes an optical fiber preform supply mechanism 3 that supplies an optical fiber preform 2. A heating furnace 4 for heating the optical fiber preform 2. The optical fiber 5A drawn from the optical fiber base material 2 is coated with a first layer of resin to form an optical fiber core wire 5.
a first resin-coated die 6 for obtaining a first layer of resin, and a first resin hardener 7 for curing the coated first layer resin. Guide sheave 8 for changing the direction of the optical fiber core 5 for other uses. A second resin coating die 9 for coating the optical fiber core wire 5 with a second layer of resin
．． A second resin curing device 10 for curing the coated second layer resin. A tension detection wheel 11 for detecting the tension of the optical fiber core wire 5. A take-up capstan 12 for taking off the optical fiber core 5 is vertically arranged.

A winding device 13, an optical fiber screening device 14, and an optical fiber supply device 15 are installed at different positions in the horizontal direction with respect to the take-up capstan 12.

The optical fiber winding device @13 has a dancer fixed roll 16.
17, a dancer lifting roll 18, and a winding machine 19.

The optical fiber screening device 14 includes a supply section 20
．． Guide roll 21. Supply dancer role 22. The screen includes a screening capstan 23° and a screening dancer roll 24.

The optical fiber supply device 15 includes a plurality of supply units 25
It is composed of an attached building.

As shown in FIG. 1, such an optical fiber manufacturing apparatus uses an optical fiber drawing device 1 and an optical fiber winding device 13 to draw an optical fiber 5A from an optical fiber preform 2, and then 1. the first layer with a second resin coated die 6.9;
The second layer of resin is coated, and these are coated with the first layer of resin. The optical fiber core wire 5 is cured by the second resin hardeners 7 and 10.
An optical fiber core wire can be manufactured by winding this with a single winder.

Further, as shown in FIG. 2, the optical fiber screening device 14, the tension detection wheel 11 and take-up capstan 12 of the optical fiber drawing device 1, and the optical fiber winding device 13 are used to Optical fiber core wire 5
By supplying this, the optical fiber core wire 5 can be screened.

Next, as shown in FIG. 3, the supply unit 20 (or supply device 15) of the optical fiber screening device 14,
Guide sheave 8 of optical fiber drawing device 1. Second resin coated die 9. Second resin hardener 10. Using the take-up capstan 12 and the optical fiber winding device 13, the optical fiber core wire 5 is supplied from the supply section 20 through the guide sheave 8 to the second resin-coated die 9, and coloring ink is applied to the surface thereof. However, by curing the colored ink in the second resin curing device 10, the identification optical fiber core wire 5 can be manufactured.

Next, as shown in FIG.
5, the supply section 20 of the optical fiber screening device 14, and the guide sheave 8 of the optical fiber drawing device 1. Second resin coated die 9. Second resin hardener 10. Using the collection capstan 12 and the optical fiber winding device 13, a plurality of colored optical fiber cores are collected from each supply section 25 of the optical fiber supply device 15 and the supply section 20 of the optical fiber screening device @14. 5 is supplied in a line through a guide sheave 8 to a second resin coating die 9, and a coating resin for tape production is applied to the surface thereof to form a tape, and the coating resin is cured in a second resin curing machine 10. Optical fiber tape core wires can be manufactured.

Further, as shown in FIG. 5, each supply section 25 of the supply device 15 and the guide sheave 8 of the optical fiber drawing device 1
．． Second resin coated die 9. second resin hardener 10゛,
Using the take-up capstan 12 and the optical fiber winding device 13, a plurality of optical fiber cores l5i5 are passed from each supply section 25 through the guide sheave 8 to the second resin-coated die 9.
A colored optical tape core wire can be manufactured by supplying a line of optical fibers in a line, applying a colored resin to the surface thereof to form a tape, and curing the coating resin in the second resin curing device 10.

FIG. 6 shows an example in which the optical fiber drawing apparatus 1 has resin coating dies and resin hardeners in each stage.

Incidentally, when drawing the optical fiber 5A using the optical fiber drawing device 1 and the optical fiber winding device 13 as shown in FIG. After curing the coating resin with the resin curing device 7 of No. 1,
A colored optical fiber core wire can also be manufactured by applying colored ink with the second resin-coated die 9 and drying the ink with the second hardening device 10.

[Effects of the Invention] As explained above, in the optical fiber manufacturing apparatus of the present invention,
The optical fiber winding device, optical fiber screening device, and optical fiber supply device are installed at different positions in the horizontal direction with respect to the take-up capstan of the vertically oriented optical fiber drawing device, so that these devices can be combined. By using 2, there is no need for equipment for each process, and line drawing,
Steps such as screening, coloring, and tape formation can be performed as appropriate. Further, according to the present invention, compared to the case where devices for each of the four processes are installed separately, the device is simpler, the equipment cost is lower, and the exclusive space of the factory can be reduced.

[BRIEF DESCRIPTION OF THE DRAWINGS] FIG. 1 is a front view showing the implementation state of the drawing process in an embodiment of the apparatus according to the present invention, FIG. 2 is a front view showing the implementation state of the screening process, and FIG. Similarly, FIG. 4 is a front view showing the implementation state of the coloring process, FIG. 5 is a front view showing the implementation state of the colored tape production process, and FIG. 6 is the present invention. FIG. 3 is a front view of another embodiment of the device. DESCRIPTION OF SYMBOLS 1... Optical fiber drawing device, 2... Optical fiber base material, 4... Heating furnace, 5... Optical fiber core, 5A...
- Optical fiber, 6... first resin-coated die, 7...
・First resin hardener, 8... Guide sheave, 9...
Second resin-coated die, 10... second resin hardener,
12... Collection capstan, 13... Optical fiber winding device, 14... Optical fiber screening device, 1
5... Optical fiber supply device, 19... Winding bin,
20... Supply Department, 25... Supply Department. fig fig fig fig fig fig fig fig fig fig fig fig fig fig fig.

Claims (1)

[Claims] An optical fiber preform supply mechanism, a heating furnace, a guide sieve, a resin coating die, a resin hardener, a take-up capstan, etc. of the optical fiber drawing device are arranged vertically, and are positioned horizontally with respect to the take-up capstan. 1. An optical fiber manufacturing device characterized in that an optical fiber winding device, an optical fiber screening device, and an optical fiber supply device are installed together.