CN104743873A - High-strength anti-fatigue optical fiber drawing method and drawing device - Google Patents
High-strength anti-fatigue optical fiber drawing method and drawing device Download PDFInfo
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- CN104743873A CN104743873A CN201410839633.1A CN201410839633A CN104743873A CN 104743873 A CN104743873 A CN 104743873A CN 201410839633 A CN201410839633 A CN 201410839633A CN 104743873 A CN104743873 A CN 104743873A
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Abstract
The invention relates to a high-strength anti-fatigue optical fiber drawing method and a high-strength anti-fatigue optical fiber drawing device. The device comprises a drawing furnace, an annealing pipe, auxiliary traction wheels I, an optical fiber diameter instrument I, an auxiliary fiber guide pipe, a temperature detector, a high-temperature resistant camera, a feeding pipe, a melting furnace, an optical fiber diameter instrument II, a high-temperature resistance mold, auxiliary traction wheels II, a cooling pipe, a coating device, a curing furnace, and a reeling device, wherein the annealing pipe is arranged below the drawing furnace; the melting furnace is arranged between the annealing pipe and the cooling pipe; the auxiliary fiber guide pipe is arranged on the upper part of the melting furnace; the high-temperature resistant mold is arranged on the lower part of the melting furnace; the temperature detector and the high-temperature resistant camera are arranged inside the melting furnace; the feeding pipe is arranged on the side of the melting furnace; the auxiliary traction wheels I and the optical fiber diameter instrument I are sequentially arranged between the upper part of the melting furnace and the annealing pipe; the cooling pipe is arranged below the melting furnace; the optical fiber diameter instrument II is arranged between the lower part of the melting furnace and the cooling pipe; the auxiliary traction wheels II are arranged below the cooling pipe; the coating device is arranged between the auxiliary traction wheels and the curing furnace.
Description
Technical field
What the present invention relates to is a kind of high-strength, fatigue-resistant optical fiber drawing method and wire-drawing frame thereof.
Background technology
Preform inevitably causes damage to barred body in manufacture, cooling, cleaning and transportation, and these damages can form focal point of stress in drawing process, reduces the intensity of optical fiber; Due to the graphite piece in fiber drawing furnace itself have a small amount of floating ash and hot conditions under can react dust particle in a small amount of silicon-carbide particles of production and attenuating air environment, the optical fiber surface that can rub in high-speed wire-drawing process causes tiny crack, reduces the intensity of optical fiber.The intensity of present optical fiber does not reach theoretical strength far away, is the intensity of the optical fiber of improvement, need reduces the tiny crack of naked fibre.
Summary of the invention
The object of the invention is to provide a kind of high-strength, fatigue-resistant optical fiber drawing method and wire-drawing frame thereof for above weak point, online to naked fine surface-coated one deck 5-10um inorganics or coat of metal, reduce naked fine crizzle, improve the intensity of optical fiber.
A kind of high-strength, fatigue-resistant optical fiber drawing method of the present invention and wire-drawing frame thereof take following technical scheme to realize:
A kind of high-strength, fatigue-resistant optic fibre drawing apparatus comprises fiber drawing furnace, annealing pipe, auxiliary traction wheel one, optical fiber string diameter instrument one, auxiliary directing tube, hygrosensor, high temperature resistant camera head, feeding tube, smelting furnace, optical fiber string diameter instrument two, high-temperature resistance die, auxiliary traction wheel two, cooling tube, coating unit, curing oven and take-up.
Annealing pipe is equipped with in fiber drawing furnace bottom, and smelting furnace is arranged between annealing pipe and cooling tube.
Described smelting furnace top is provided with auxiliary directing tube, and high-temperature resistance die is equipped with in smelting furnace bottom, and hygrosensor and high temperature resistant camera head are arranged on smelting furnace inside.
Feeding tube is equipped with in smelting furnace side, and for carrying silication inorganics or metallic substance in smelting furnace, described metallic substance selects purity to reach 99.99% bronze medal or aluminium.Described silication inorganics selects purity to reach 99.99% silicon-dioxide powder.
Between smelting furnace top and annealing pipe, be equipped with that auxiliary traction takes turns one, optical fiber string diameter instrument one successively, for drawing bare fibre silk and detecting bare fibre string diameter, control string diameter.
Cooling tube is equipped with in smelting furnace bottom, and optical fiber string diameter instrument two is housed between smelting furnace bottom and cooling tube.
Auxiliary traction wheel two is equipped with in cooling tube bottom, for drawing silicon-coating compound or coat of metal optical fiber enters coating unit.
Coating unit is arranged between auxiliary traction wheel two and curing oven, and coating unit is provided with polymkeric substance and is coated with cup, and polymkeric substance is coated with cup built with UV-cured resin.Curing oven built with UV cure lamp, for the UV-cured resin that curing optical fiber applies outward.Curing oven goes out metastomium built with take-up.Take-up is provided with take-up reel, take-up motor.
High-strength, fatigue-resistant optic fibre drawing apparatus comprises a fiber drawing furnace, unique smelting furnace and mould integrated device, online feed system and the control device of drawing heating furnace body, string diameter instrument, cooling tube, device such as polymkeric substance painting cup, UV curing oven etc.In drawing process, bare fibre out enters into smelting furnace and mould integrated device afterwards from fiber drawing furnace, allow the purity of melting reach 99.99% silication inorganics or metallic copper, aluminium be evenly coated in bare fibre on the surface.
A kind of high-strength, fatigue-resistant optical fiber drawing method, concrete steps are as follows:
1, add to smelting furnace silicide or the metal that a certain amount of purity is 99.99% by feeding tube;
2, smelting furnace heated and ensure the inorganics of its inside or melting of metal and arrive the viscosity of wire drawing, by hygrosensor and high temperature resistant camera head, smelting furnace heated condition being monitored in real time;
3, optical fiber carries out wire drawing through fiber drawing furnace high temperature melting and comes out of the stove, and in-furnace temperature controls at 1800-2000 DEG C, drawing optical fibers come out of the stove after through annealing pipe annealing, annealing temperature controls at 1000-1200 DEG C;
4, after optical fiber goes out annealing pipe, take turns one by auxiliary traction and control string diameter, ensure that string diameter is stablized and reaches 100-110um.
5, after optical fiber string diameter is stable and after reaching 100-110um, draw silk through auxiliary directing tube and be coated with last layer 5-10um silicide or coat of metal through high-temperature resistance die to optical fiber.
6, optical fiber cools through cooling tube, enters coating unit and carries out UV-cured resin coating, then through curing oven ultraviolet light polymerization, after solidification, finally adopts take-up that optical fiber is completed production around to take-up reel.
A kind of high-strength, fatigue-resistant optical fiber drawing method of the present invention and wire-drawing frame reasonable in design, compact construction, pass through the present invention, naked fine crizzle is reduced at naked fine surface-coated one deck inorganic layer or metal level, the tensile strength of optical fiber can reach more than 70N, and the dynamic fatigue parameter of optical fiber can reach more than 150N.
Accompanying drawing explanation
Below with reference to accompanying drawing, the invention will be further described:
Fig. 1 is a kind of high-strength, fatigue-resistant optic fibre drawing apparatus schematic diagram.
Embodiment
With reference to accompanying drawing 1, a kind of high-strength, fatigue-resistant optic fibre drawing apparatus comprises fiber drawing furnace 1, annealing pipe 2, auxiliary traction wheel 1, optical fiber string diameter instrument 1, auxiliary directing tube 5, hygrosensor 6, high temperature resistant camera head 7, feeding tube 8, smelting furnace 9, optical fiber string diameter instrument 2 10, high-temperature resistance die 11, auxiliary traction wheel 2 13, cooling tube 12, coating unit 14, curing oven 15, take-up 16.
Annealing pipe 2 is equipped with in fiber drawing furnace 1 bottom, and smelting furnace 9 is arranged between annealing pipe 2 and cooling tube 12.
Described smelting furnace 9 top is provided with auxiliary directing tube 5, and high-temperature resistance die 11 is equipped with in smelting furnace 9 bottom, and it is inner that hygrosensor 6 and high temperature resistant camera head 7 are arranged on smelting furnace 9.
Feeding tube 8 is equipped with in smelting furnace 9 side, and for carrying silication inorganics or metallic substance in smelting furnace 9, described metallic substance selects purity to reach 99.99% bronze medal or aluminium.Described silication inorganics selects purity to reach 99.99% silicon-dioxide powder.
Between smelting furnace 9 top and annealing pipe 2, be equipped with that auxiliary traction takes turns 1, optical fiber string diameter instrument 1, for drawing bare fibre silk and detecting bare fibre string diameter successively.
Cooling tube 12 is equipped with in smelting furnace 9 bottom, and optical fiber string diameter instrument 2 10 is housed between smelting furnace 9 bottom and cooling tube 12.
Auxiliary traction wheel 2 13 is equipped with in cooling tube 12 bottom, for drawing silicon-coating compound or coat of metal optical fiber enters coating unit 14.
Coating unit 14 is arranged between auxiliary traction wheel 2 13 and curing oven 15, and coating unit 14 is provided with polymkeric substance and is coated with cup, and polymkeric substance is coated with cup built with UV-cured resin.Curing oven 15 built with UV cure lamp, for the UV-cured resin that curing optical fiber applies outward.Curing oven 15 goes out metastomium built with take-up 16.Take-up 16 is provided with take-up reel, take-up motor.
Optical fiber string diameter instrument one and optical fiber string diameter instrument two adopt commercial laser caliper.
Hygrosensor 6 adopts commercially available hygrosensor.High temperature resistant camera head 7 adopts commercially available high temperature resistant camera head.
A kind of high-strength, fatigue-resistant optical fiber drawing method, concrete steps are as follows:
1, add to smelting furnace 9 silicide or the metal that a certain amount of purity is 99.99% by feeding tube 7;
2, smelting furnace 9 heated and ensure the inorganics of its inside or melting of metal and arrive the viscosity of wire drawing, being monitored in real time by hygrosensor 6 and high temperature resistant camera head 7 pairs of smelting furnace heated conditions;
3, optical fiber carries out wire drawing through fiber drawing furnace 1 high temperature melting and comes out of the stove, and in-furnace temperature controls at 1800-2000 DEG C, and drawing optical fibers is annealed through annealing pipe 2 after coming out of the stove, and annealing temperature controls at 1000-1200 DEG C;
4, after optical fiber goes out annealing pipe 2, take turns 1 by auxiliary traction and control string diameter, ensure that string diameter is stablized and reaches 100-110um.
5, after optical fiber string diameter is stable and after reaching 100-110um, draw silk through auxiliary directing tube 5 and be coated with last layer 5-10um silicide or coat of metal through high-temperature resistance die 11 to optical fiber.
6, optical fiber cools through cooling tube 9, enters coating unit 10 and carries out UV-cured resin coating, then through curing oven 11 ultraviolet light polymerization, after solidification, finally adopts take-up that optical fiber is completed production around to take-up reel.
Optic fibre drawing apparatus of the present invention, mainly comprises smelting furnace, pay-off, assists and draw silk device and high-temperature resistance die etc.Mainly through applying one deck inorganics or coat of metal at optical fiber surface, reaching and reducing optical fiber surface tiny crack, improve the object of fiber strength.Carry out tension and antifatigue experiment to silicon-coating compound or coat of metal optical fiber, obtaining its tensile strength can reach more than 70N, and the dynamic fatigue parameter of optical fiber can reach more than 150N, is far more than the performance of ordinary optic fibre.
Claims (7)
1. a high-strength, fatigue-resistant optic fibre drawing apparatus, is characterized in that: comprise fiber drawing furnace, annealing pipe, auxiliary traction wheel one, optical fiber string diameter instrument one, auxiliary directing tube, hygrosensor, high temperature resistant camera head, feeding tube, smelting furnace, optical fiber string diameter instrument two, high-temperature resistance die, auxiliary traction wheel two, cooling tube, coating unit, curing oven and take-up;
Annealing pipe is equipped with in fiber drawing furnace bottom, and smelting furnace is arranged between annealing pipe and cooling tube;
Described smelting furnace top is provided with auxiliary directing tube, and high-temperature resistance die is equipped with in smelting furnace bottom, and hygrosensor and high temperature resistant camera head are arranged on smelting furnace inside;
Feeding tube is equipped with in smelting furnace side, for carrying silication inorganics or metallic substance in smelting furnace, between smelting furnace top and annealing pipe, be equipped with that auxiliary traction takes turns one, optical fiber string diameter instrument one successively, for drawing bare fibre silk and detecting bare fibre string diameter, control string diameter;
Cooling tube is equipped with in smelting furnace bottom, and optical fiber string diameter instrument two is housed between smelting furnace bottom and cooling tube;
Auxiliary traction wheel two is equipped with in cooling tube bottom, for drawing silicon-coating compound or coat of metal optical fiber enters coating unit;
Coating unit is arranged between auxiliary traction wheel two and curing oven, and curing oven goes out metastomium built with take-up.
2. a kind of high-strength, fatigue-resistant optic fibre drawing apparatus according to claim 1, is characterized in that: described metallic substance selects purity to reach 99.99% bronze medal or aluminium.
3. a kind of high-strength, fatigue-resistant optic fibre drawing apparatus according to claim 1, is characterized in that: described silication inorganics selects purity to reach 99.99% silicon-dioxide powder.
4. a kind of high-strength, fatigue-resistant optic fibre drawing apparatus according to claim 1, is characterized in that: coating unit is provided with polymkeric substance and is coated with cup, and polymkeric substance is coated with cup built with UV-cured resin.
5. a kind of high-strength, fatigue-resistant optic fibre drawing apparatus according to claim 1, is characterized in that: curing oven built with UV cure lamp, for the UV-cured resin that curing optical fiber applies outward.
6. a kind of high-strength, fatigue-resistant optic fibre drawing apparatus according to claim 1, is characterized in that: take-up is provided with take-up reel, take-up motor.
7. a high-strength, fatigue-resistant optical fiber drawing method, is characterized in that:
(1) add to smelting furnace silicide or the metal that a certain amount of purity is 99.99% by feeding tube;
(2) smelting furnace heated and ensure the inorganics of its inside or melting of metal and arrive the viscosity of wire drawing, by hygrosensor and high temperature resistant camera head, smelting furnace heated condition being monitored in real time;
(3) optical fiber carries out wire drawing through fiber drawing furnace high temperature melting and comes out of the stove, and in-furnace temperature controls at 1800-2000 DEG C, drawing optical fibers come out of the stove after through annealing pipe annealing, annealing temperature controls at 1000-1200 DEG C;
(4) after optical fiber goes out annealing pipe, take turns one by auxiliary traction and control string diameter, ensure that string diameter is stablized and reaches 100-110um;
(5), after optical fiber string diameter is stable and after reaching 100-110um, draw silk through auxiliary directing tube and be coated with last layer 5-10um silicide or coat of metal through high-temperature resistance die to optical fiber;
(6) optical fiber cools through cooling tube, enters coating unit and carries out UV-cured resin coating, then through curing oven ultraviolet light polymerization, after solidification, finally adopts take-up that optical fiber is completed production around to take-up reel.
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| CN201410839633.1A CN104743873A (en) | 2014-12-30 | 2014-12-30 | High-strength anti-fatigue optical fiber drawing method and drawing device |
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| CN201410839633.1A CN104743873A (en) | 2014-12-30 | 2014-12-30 | High-strength anti-fatigue optical fiber drawing method and drawing device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105541128A (en) * | 2016-02-23 | 2016-05-04 | 北京玻璃研究院 | Optical fiber online metal coating device |
| CN109901261A (en) * | 2019-03-07 | 2019-06-18 | 张瑗 | A kind of production method of Ni metal coating silica fibre |
| WO2019140980A1 (en) * | 2018-01-17 | 2019-07-25 | 江东科技有限公司 | Automatic optical fiber wire feeding device and method |
| CN112624601A (en) * | 2020-12-04 | 2021-04-09 | 飞秒光电科技(西安)有限公司 | Preparation method and preparation device for optical communication cylindrical lens wire diameter |
| CN112815622A (en) * | 2021-01-06 | 2021-05-18 | 杭州富通通信技术股份有限公司 | Method for manufacturing optical fiber |
| CN114315126A (en) * | 2021-12-06 | 2022-04-12 | 江苏法尔胜光电科技有限公司 | Preparation process of superfine-diameter optical fiber |
Citations (3)
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| CN1165787A (en) * | 1996-04-25 | 1997-11-26 | 三星电子株式会社 | Apparatus for fabricating optical fiber coated with metal and method therefor |
| US20040050115A1 (en) * | 2002-09-12 | 2004-03-18 | Lg Cable Ltd. | Optical fiber drawing apparatus for decreasing an optical fiber break and impressing a spin to an optical fiber |
| CN204342649U (en) * | 2014-12-30 | 2015-05-20 | 中天科技光纤有限公司 | A kind of high-strength, fatigue-resistant optic fibre drawing apparatus |
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2014
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Patent Citations (3)
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| CN1165787A (en) * | 1996-04-25 | 1997-11-26 | 三星电子株式会社 | Apparatus for fabricating optical fiber coated with metal and method therefor |
| US20040050115A1 (en) * | 2002-09-12 | 2004-03-18 | Lg Cable Ltd. | Optical fiber drawing apparatus for decreasing an optical fiber break and impressing a spin to an optical fiber |
| CN204342649U (en) * | 2014-12-30 | 2015-05-20 | 中天科技光纤有限公司 | A kind of high-strength, fatigue-resistant optic fibre drawing apparatus |
Non-Patent Citations (1)
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| MATTHIEU LANCRY ET AL.: "Fictive temperature in silica-based glasses and its application to optical fiber manufacturing", 《PROGRESS IN MATERIALS SCIENCE》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105541128A (en) * | 2016-02-23 | 2016-05-04 | 北京玻璃研究院 | Optical fiber online metal coating device |
| WO2019140980A1 (en) * | 2018-01-17 | 2019-07-25 | 江东科技有限公司 | Automatic optical fiber wire feeding device and method |
| CN109901261A (en) * | 2019-03-07 | 2019-06-18 | 张瑗 | A kind of production method of Ni metal coating silica fibre |
| CN112624601A (en) * | 2020-12-04 | 2021-04-09 | 飞秒光电科技(西安)有限公司 | Preparation method and preparation device for optical communication cylindrical lens wire diameter |
| CN112815622A (en) * | 2021-01-06 | 2021-05-18 | 杭州富通通信技术股份有限公司 | Method for manufacturing optical fiber |
| CN114315126A (en) * | 2021-12-06 | 2022-04-12 | 江苏法尔胜光电科技有限公司 | Preparation process of superfine-diameter optical fiber |
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