CN104761156B - Optical fiber cable coloring apparatus - Google Patents

Optical fiber cable coloring apparatus Download PDF

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Publication number
CN104761156B
CN104761156B CN201510120878.3A CN201510120878A CN104761156B CN 104761156 B CN104761156 B CN 104761156B CN 201510120878 A CN201510120878 A CN 201510120878A CN 104761156 B CN104761156 B CN 104761156B
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China
Prior art keywords
optical fiber
frame
take
traction
framework
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Active
Application number
CN201510120878.3A
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Chinese (zh)
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CN104761156A (en
Inventor
李龙
韦冬
江平
许人东
何兰珍
徐斌
蒋伟泉
叶其斌
孙强
许泉林
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Hengtong Optic Electric Co Ltd
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Jiangsu Hengtong Optic Electric Co Ltd
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Priority to CN201611085325.XA priority Critical patent/CN107056091B/en
Priority to CN201510120878.3A priority patent/CN104761156B/en
Publication of CN104761156A publication Critical patent/CN104761156A/en
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    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10Coating
    • C03C25/104Coating to obtain optical fibres
    • C03C25/106Single coatings
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04Coating
    • C08J7/0427Coating with only one layer of a composition containing a polymer binder

Abstract

The invention discloses an optical fiber cable coloring apparatus. The apparatus comprises, sequentially arranged, paying-off frames, printing ink coating frames, curing frames, traction frames and take-up frames, at least two optical fiber channels are formed from top to bottom, a flat cable paying-off unit for storing a winding optical fiber is arranged in each of the paying-off frames, and a UV light-curable furnace is arranged in each of the curing frames; a paying-off tension adjusting device, a destatic device and a coating unit are sequentially arranged in each of the printing ink coating frames, the paying-off tension adjusting device comprises a paying-off guide wheel and a paying-off dancing wheel, and the paying-off wheel is arranged on the printing ink coating frame through a fixed rotating shaft; and a traction wheel, a take-up tension adjusting device and a guide wheel positioned between the traction wheel and the take-up tension adjusting device are sequentially arranged in each of the traction frames, a flat cable take-up unit for taking up an optical fiber is arranged in each of the take-up frames, and a transparent protection cover is arranged between two clamping discs of the flat cable take-up unit. The optical fiber cable coloring apparatus has the advantages of realization of simultaneous coating of three optical fibers without mutual interference, stable performances, and avoiding of damages caused by impact of high speed production to optical fiber ends in the production process.

Description

Optical fiber cable color applicator
Technical field
The present invention relates to a kind of fiber ink coloring field, more particularly to a kind of optical fiber cable color applicator.
Background technology
The purpose of coloring process production line is distinct, smooth, reliable and stable shades of colour to optical fiber, so as in life Optical fiber is easily recognized during product and during use.
The main raw material(s) that coloring process is used is optical fiber and coloring printing ink, and coloring printing ink color is divided into 12 by professional standard Kind, wherein being different, the chromatogram of broadcasting and TV standard by the chromatogram arrangement that radio, TV and film industries standard and Ministry of Information Industry's standard specify Arrangement is as follows:This(In vain), red, yellow, and green, ash, black, blue, orange, brown, purple, pink, viridescent, the chromatogram of Ministry of Information Industry's professional standard Arrangement is as follows:Indigo plant, tangerine, green, brown, grey, sheet(In vain), red, black, yellow, purple, pink, viridescent.Allowed in the case where identification is not influenceed Replace white using true qualities.The chromatogram arrangement that existing our company uses is carried out by broadcasting and TV standard, also can be by information when user requires Estate Division standard colour chart is arranged.When user requires that often pipe fiber count is more than 12 cores, can be pressed with different colors as needed Different ratios mixes other colors to make a distinction optical fiber.The requirement of following aspects should be met after optical fiber coloring:1、 Colored optical fiber color is not migrated, colour-fast(It is also such with acetone or alcohol wipe).2nd, optical fiber winding displacement is neat, smooth, not disorderly Line, not line ball.3rd, optical fiber attenuation index reaches requirement, and OTDR test curves are without phenomenons such as steps.
The equipment that optical fiber coloring technique is used is optical fiber coloring machine, and optical fiber coloring machine is by optical fiber unwrapping wire part, coloring mould And ink feeding system, ultraviolet curing oven, traction, the composition such as optical fiber take-up and electrical control part.Cardinal principle is ultra-violet curing Ink is coated on optical fiber surface through coloring mould, and by being fixed on optical fiber surface after ultraviolet curing oven solidification, formation is easy to point The optical fiber of color.The ink for using is uv-curing type ink.
The content of the invention
The present invention provides a kind of optical fiber cable color applicator, and this optical fiber cable color applicator realizes three optical fiber can The function of coating, and non-interference simultaneously, stable performance, framework rigidity is big, supports whole machine stabilization, and vibrations and noise are good, Because high-speed production impacts the damage for bringing to optical fiber connector optical fiber when avoiding production.
To reach above-mentioned purpose, the technical solution adopted by the present invention is:A kind of optical fiber cable color applicator, including:According to The unwrapping wire framework of secondary discharge, ink coating framework, solidification framework, traction framework and take-up framework, from upper in the unwrapping wire framework It is past to be arranged with the unwrapping wire frame that at least 2 bottoms are provided with support supporting plate, is provided with from top to bottom in the ink coating framework At least 2 bottoms are provided with the ink coated frame of protection dividing plate, the solidification framework and are provided with least 2 bottoms from top to bottom The solidification frame of protection dividing plate is installed, at least 2 bottoms are provided with from top to bottom in the take-up framework is provided with support supporting plate Take-up frame, the traction frame that at least 2 bottoms are provided with support supporting plate is provided with the traction framework from top to bottom, so as to from On down form at least 2 optical-fibre channels, the unwrapping wire inframe is mounted on being wound with for depositing the rafting line unit of optical fiber, institute State solidification inframe and be mounted on UV photocuring stoves;
Laying tension adjuster, static eliminator, coating unit, the unwrapping wire are installed successively in the ink coated frame Draught control mechanism includes that unwrapping wire guide wheel and unwrapping wire are danced is taken turns, and the unwrapping wire guide wheel is arranged on ink coated frame by fixed rotating shaft, The unwrapping wire is danced to take turns and is connected on the rotating mechanism of ink coated frame by a swing arm, and the coating unit includes oil Ink reservoir and the ink barrel for passing through pipeline and ink pond, the static eliminator are located between laying tension adjuster and coating unit;
Traction wheel, takeup tension adjuster are installed successively in the traction frame and are adjusted positioned at traction wheel, takeup tension Guide wheel between device, the central shaft of the traction wheel is connected with a traction electric machine, and the takeup tension adjuster is led including take-up Wheel and take-up dancing wheel, the take-up guide wheel are arranged on traction frame by fixed rotating shaft, and the take-up is danced and taken turns by a pendulum Lever is connected on the rotating mechanism of traction frame, and the take-up inframe is mounted on the receipts winding displacement unit for receiving optical fiber, This receives winding displacement unit and is provided with a transparent arc protective cover along its circumference.
Further improved technology scheme is as follows in above-mentioned technical proposal:
1st, in such scheme, the static eliminator is made up of high voltage power generator and sparking electrode, by ion pin Neighbouring air ionization is turned into substantial amounts of negative ions by sophisticated high-voltage corona discharge, then using air-blast device that these are positive and negative Ion blows to body surface to neutralize electrostatic, or directly static removal equipment is carried out near the surface of object the neutralization of electrostatic.
2nd, in such scheme, also including an electrical control cubicles, touch-screen, function key group and power key are provided with this electrical control cubicles.
3rd, in such scheme, the unwrapping wire frame end face opposite with ink coated frame is provided with front door, the take-up The frame end face opposite with traction frame is provided with Rear Door.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art:
Optical fiber cable color applicator of the present invention, the production optical fiber that it can for a long time, quick, stable, and the present invention can be simultaneous Hold the various length specification optical fiber for producing 100KM and below 100KM on the market, realizing three optical fiber can be while the work(for coating Can, and non-interference, stable performance, greatly, the whole machine stabilization of support, vibrations and noise are good, and the present invention can be produced for framework rigidity Optical fiber comprising 100km and below 100km length specifications;Secondly, it is received winding displacement unit and is provided with a transparent arc along its circumference There is protective cover optical fiber to put to get rid of and beat function, it is to avoid because high-speed production to optical fiber connector optical fiber impacts what is brought during production Damage, so as to influence product quality.
Brief description of the drawings
Accompanying drawing 1 is optical fiber cable color applicator structural representation of the present invention;
Accompanying drawing 2 is optical fiber cable color applicator middle frame structure schematic diagram of the present invention.
In the figures above:1st, unwrapping wire framework;101st, unwrapping wire frame;2nd, ink coating framework;201st, ink coated frame;3rd, solidify Framework;301st, frame is solidified;4th, framework is drawn;401st, traction frame;5th, take-up framework;501st, take-up frame;6th, supporting plate is supported;7th, protect Dividing plate;8th, rafting line unit;9th, UV photocurings stove;10th, laying tension adjuster;11st, static eliminator;12nd, coating unit;13、 Unwrapping wire guide wheel;14th, unwrapping wire is danced and is taken turns;15th, swing arm;16th, rotating mechanism;17th, traction wheel;18th, takeup tension adjuster;19、 Guide wheel;20th, take-up guide wheel;21st, take-up is danced and is taken turns;22nd, swing arm;23rd, rotating mechanism;24th, winding displacement unit is received;241st, chuck Piece;25th, transparent shield;26th, electrical control cubicles;261st, touch-screen;262nd, function key group;263rd, power key;27th, front door;28th, after Door-plate.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
Embodiment:A kind of optical fiber cable color applicator, including:Discharge successively unwrapping wire framework 1, ink coating framework 2, Solidification framework 3, traction framework 4 and take-up framework 5, are provided with least 2 bottoms and are provided with from top to bottom in the unwrapping wire framework 1 Support the unwrapping wire frame 101 of supporting plate 6, be provided with from top to bottom in ink coating framework 2 at least 2 bottoms be provided with protection every The ink coated frame 201 of plate 7, is provided with least 2 bottoms and is provided with protection dividing plate 7 from top to bottom in the solidification framework 3 Solidification frame 301, is provided with the take-up frame 501 that at least 2 bottoms are provided with support supporting plate 6 from top to bottom in the take-up framework 5, The traction frame 401 that at least 2 bottoms are provided with support supporting plate 6 is provided with from top to bottom in the traction framework 4, so as to from upper past At least 2 optical-fibre channels of lower formation, are mounted on being wound with for depositing the rafting line unit 8 of optical fiber, institute in the unwrapping wire frame 101 State in solidification frame 301 and be mounted on UV photocurings stove 9;
Above-mentioned unwrapping wire framework 1 and take-up framework 5, are formed by 80*80*6 square tubes solderings, and are welded with three mounting platforms use To install rafting line unit 8 and receive winding displacement unit 24.Side and rear side are provided with shrouding rational in infrastructure and maintenance
Laying tension adjuster 10, static eliminator 11, coating unit 12 are installed successively in the ink coated frame 201, The laying tension adjuster 10 includes that unwrapping wire guide wheel 13 and unwrapping wire are danced and takes turns 14, and the unwrapping wire guide wheel 13 is pacified by fixed rotating shaft On ink coated frame 201, the unwrapping wire dancing wheel 14 is connected to the rotation installed in ink coated frame 201 by a swing arm 15 On rotation mechanism 16, be used to ensure that the optical fiber released has constant tension force, go to destatic and dust after enter the painting of ink grinding tool Cover dyestuff;
The coating unit 12 includes ink pond and by pipeline and the ink barrel in ink pond, and the static eliminator 11 is located at Between laying tension adjuster 10 and coating unit 12;
Traction wheel 17, takeup tension adjuster 18 are installed successively and positioned at traction wheel 17, take-up in the traction frame 401 Guide wheel 19 between tension regulator 18,
The central shaft of the traction wheel 17 is connected with a traction electric machine, and the takeup tension adjuster 18 includes take-up guide wheel 20 and take-up dance wheel 21, the take-up guide wheel 20 is arranged on traction frame 401 by fixed rotating shaft, and the take-up is danced wheel 21 It is connected on the rotating mechanism 23 of traction frame 401 by a swing arm 22, is used to ensure that the optical fiber released has constant Tension force, go to destatic and dust after enter ink grinding tool coated dye;It is mounted on for receiving optical fiber in the take-up frame 501 Receipts winding displacement unit 24, this receives winding displacement unit 24 and is provided with a transparent arc protective cover 25 along its circumference.
Above-mentioned static eliminator 11 is made up of high voltage power generator and sparking electrode, by the sophisticated high-voltage corona of ion pin Neighbouring air ionization is turned into substantial amounts of negative ions by electric discharge, and these negative ions are then blown to object using air-blast device Surface is neutralizing electrostatic, or directly static removal equipment is carried out near the surface of object the neutralization of electrostatic.
Also include an electrical control cubicles 26, three touch-screens, 261, three function key groups 262 and three are provided with this electrical control cubicles 26 Individual power key 263, three 261, three groups of touch-screen power keys 263 of function key group 262, three are installed in electrical control cubicles 28 and are used to divide It is other that separate independent control is carried out to three heads.
Above-mentioned unwrapping wire frame 101 end face opposite with ink coated frame 201 is provided with front door 27, the take-up frame 501 The end face opposite with traction frame 401 is provided with Rear Door 28.
The present embodiment optical fiber cable is as follows with the color applicator course of work:
The power of payingoff mechanism is provided by a 5KW servomotors, to realize the active unwrapping wire of optical fiber.Travel mechanism Power is also to be provided by 750W servomotors, and the output shaft of AC servo motor is by yielding coupling and rolling lead screw direct connection When optical fiber unwrapping wire is completed to drive payingoff mechanism move back and forth control travel mechanism make fiber reel move forward and backward, it is ensured that Shake during high speed fibre unwrapping wire is reduced to minimum.Optical fiber laying tension size is provided by dancing device.Dancing device axle and one Individual pure angular transducer is connected, in production process.Dancing device tension force swing rod drives angle change, and sensor detects tension force swing rod Swing, and then control the rotating speed of retractable cable motor so as to automatic synchronization, and make fiber tension swing rod all the time in level, keep Constant tension.
Along production line operation direction, front end is optical fiber dust arrester, behind be pressure coating system.The temperature of heater by Sensor is adjusted.Optical fiber coloring thickness degree is controlled by mould.The base of fixing mould is a set of, can essence after the adjustment of center It is determined that position, ink supply unit pressure is adjustable from 0-2.0bar scopes and shows.
In order to ensure tinctorial quality during high speed, the production line is furnished with two horizontal UV curing ovens.Curing oven is main by anti- Penetrate the composition such as plate, body of heater shell, UV lamp pipe, exhausting system.After optical fiber coloring, immediately enter the stove and solidified.Solidification be Carried out in the case of being filled with inert gas, be capable of achieving to colour at a high speed.It is adapted to UV solidification equipments equipped with 2 groups above UV curing ovens Import blower fan, his vibration do not influence production.UV curing ovens are adjustable, it is ensured that the position of parabolic reflective Lacquer finish focus point It is optical fiber body Operation Centre position, in the cylinder of a diameter of 1mm focused in light.Curing oven has reliably protector to protect Demonstrate,prove personal safety and prevent the contaminated optical fiber curing for causing bad.Nitrogen protection device can guarantee that solid in light by coated fiber 100% exclusion oxygen molecule is contacted with coating oil layer of ink during change.
Take-up and destatic unit including traction wheel, swing arm dancing device, photoelectricity commutation control component, Destaticizing device, Travel mechanism, take-up mechanism etc..In order to improve anti-wear performance, traction wheel surface is processed.After optical fiber enters traction wheel, it is Driven by the friction between optical fiber and traction wheel.Metering is the pulse that sends of the encoder by motor in itself to be counted.Lead The Zhou Changwei 0.5m of running wheel, the meters counting accuracy of fiber lengths is higher, and meters counting accuracy is up to 0.2%.The wire-arranging component structure group of optical fiber It is pinpoint by photoelectric sensor into identical with portable optical fiber active unwrapping wire component, commutation is by AC servo electricity The encoder of machine is performed, and position is adjustable, with winding displacement it is neat, it is accurate the features such as.
Because the operating rate of the machine is very high, friction operationally, between optical fiber and guide wheel is also easy to produce, is so easy for producing Raw electrostatic.In order to eliminate this electrostatic, before disk on optical fiber, the system of destaticing is installed.The system it is main by high voltage power supply, remove Electrostatic rod and destatic shower nozzle etc. composition.
Electric control system
1 electric parameter
1.1 optical fiber unwrapping wire motors:5KW panasonic AC servo motors
1.2 optical fiber pay-off rack winding displacement motors:750W panasonic AC servo motors
1.3 traction electric machine:750W panasonic AC servo motors
1.4 optical fiber take-up motors:5KW panasonic AC servo motors
1.5 take-up stand winding displacement motors:750W panasonic AC servo motors
1.6 curing oven power:6KW*2 platforms
1.7 after-combustion speed:1500m/min~2300m/min
Colouring speeds:1500m/min
1.8 fault alarm:Autostop
1.9 working method:Continuously run
2 electric control theories
2.1 electric control theories are described
High speed fibre coloring rewinding machine is had using Panasonic's AC servo drive system of advanced Japan's production in the world Control accuracy is high, noise is low, efficiency high, reliable operation the advantages of;And using the S7-300 programmables of Siemens Controller PLC centralized Controls, make a whole set of electric control system controls more stable, more reliable.Using 10.4 cun of touch-screens of Siemens, comprising The components such as Dynamic Announce, alarm, trend, control strategy, control network communication, there is provided the user interface of close friend, make equipment Operation is more directly perceived, easier.
The system by optical fiber set a raft going line, traction, receive winding displacement, the part such as UV curing ovens and constitute.Its key problem in technology is that PLC is used Winding displacement automatic reverse when family program and high speed, reduces volume manual intervention.PLC employs the high S7-300 systems of Siemens of cost performance Row.Its outstanding performance is in the following aspects:High reliability;Profuse instruction set;It is easy to control;Easily operate; Abundant built-in integrated functionality;Powerful real-time characteristic;Powerful ability to communicate, abundant expansion module;Optimal adaptability; Directly it is connected with sensor and actuator;Flexibility is stronger, easily adjusts user program.
Tinting machine PLC program devises a series of controls and protection warning function, its lifting speed completely according to technological requirement Program ensure that the strict run-in synchronism in proportion of each motor, to ensure whole system stabilization, reliable operating without damaging optical fiber.
The system has two kinds of working mode selections, and one kind is to be operated in colored state, and another kind is to be operated in after-combustion state. By selecting coloring/after-combustion on display.UV curing system and air cooling system are only just devoted oneself to work in colored state, Coating heating system is depending on technique needs.Remaining control system can put into operation no matter under which kind of state.
During using above-mentioned optical fiber cable color applicator, it realizes three optical fiber can be while the function of coating, not phase Mutually interference, stable performance, framework rigidity of the present invention is big, supports whole machine stabilization, and vibrations and noise are good, and the present invention can be produced The next size optical fibers of 100km mono-;Secondly, its receipts winding displacement unit is provided with a transparent arc protective cover along its circumference, and there is optical fiber to put Get rid of and beat function, it is to avoid because high-speed production to optical fiber connector optical fiber impacts the damage for bringing during production, so as to influence to produce Quality.
The above embodiments merely illustrate the technical concept and features of the present invention, its object is to allow person skilled in the art Scholar will appreciate that present disclosure and implement according to this that it is not intended to limit the scope of the present invention.It is all according to the present invention The equivalent change or modification that Spirit Essence is made, should all be included within the scope of the present invention.

Claims (1)

1. a kind of optical fiber cable color applicator, it is characterised in that:Including:The unwrapping wire framework for discharging successively(1), ink coated frame Frame(2), solidification framework(3), traction framework(4)With take-up framework(5), the unwrapping wire framework(1)Inside be provided with from top to bottom to Few 2 bottoms are provided with support supporting plate(6)Unwrapping wire frame(101), the ink coating framework(2)Inside be provided with from top to bottom to Few 2 bottoms are provided with protection dividing plate(7)Ink coated frame(201), the solidification framework(3)Inside be provided with from top to bottom to Few 2 bottoms are provided with protection dividing plate(7)Solidification frame(301), the take-up framework(5)At least 2 are inside provided with from top to bottom Individual bottom is provided with support supporting plate(6)Take-up frame(501), the traction framework(4)At least 2 bottoms are inside provided with from top to bottom Portion is provided with support supporting plate(6)Traction frame(401), so as to form at least 2 optical-fibre channels, the unwrapping wire frame from top to bottom (101)Inside it is mounted on being wound with for depositing the rafting line unit of optical fiber(8), the solidification frame(301)Inside it is mounted on UV light Curing oven(9);
The ink coated frame(201)Laying tension adjuster is inside installed successively(10), static eliminator(11), coating unit (12), the laying tension adjuster(10)Including unwrapping wire guide wheel(13)Danced with unwrapping wire and taken turns(14), the unwrapping wire guide wheel(13) Ink coated frame is arranged on by fixed rotating shaft(201)On, the unwrapping wire is danced and is taken turns(14)By a swing arm(15)It is connected to peace Mounted in ink coated frame(201)Rotating mechanism(16)On, the coating unit(12)Including ink pond and by pipeline and oil The ink barrel of ink reservoir, the static eliminator(11)Positioned at laying tension adjuster(10)And coating unit(12)Between;
The traction frame(401)Traction wheel is inside installed successively(17), takeup tension adjuster(18)With positioned at traction wheel(17)、 Takeup tension adjuster(18)Between guide wheel(19), the traction wheel(17)Central shaft be connected with a traction electric machine, it is described Takeup tension adjuster(18)Including take-up guide wheel(20)Danced with take-up and taken turns(21), the take-up guide wheel(20)Turned by fixed Axle is arranged on traction frame(401)On, the take-up is danced and is taken turns(21)By a swing arm(22)It is connected to installed in traction frame(401) Rotating mechanism(23)On, the take-up frame(501)Inside it is mounted on the receipts winding displacement unit for receiving optical fiber(24), this receives winding displacement Unit(24)One transparent arc protective cover is installed along its circumference(25);The static eliminator(11)It is by high voltage power generator And sparking electrode is constituted;Also include an electrical control cubicles(26), this electrical control cubicles(26)On be provided with touch-screen(261).
CN201510120878.3A 2015-03-19 2015-03-19 Optical fiber cable coloring apparatus Active CN104761156B (en)

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CN201611085325.XA CN107056091B (en) 2015-03-19 2015-03-19 Fast high-stability coloring and curing device for optical fiber cable
CN201510120878.3A CN104761156B (en) 2015-03-19 2015-03-19 Optical fiber cable coloring apparatus

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CN107561656B (en) * 2017-09-06 2023-09-22 通鼎互联信息股份有限公司 Optical fiber coloring plastic-coated composite production line and production process thereof
CN107857486B (en) * 2017-10-26 2021-06-29 深圳市贝优通新能源技术开发有限公司 Intelligent processing equipment for optical fiber coating based on Internet of things
CN108919444B (en) * 2018-07-20 2020-02-18 长飞光纤光缆股份有限公司 Online UVLED curing and coloring device of two sets of optical fibers in constant operation tension mode
CN109632846B (en) * 2018-12-06 2022-06-03 安徽光纤光缆传输技术研究所(中国电子科技集团公司第八研究所) Preparation method of large-area high-resolution plastic scintillating fiber array imaging panel
CN110053234A (en) * 2019-05-08 2019-07-26 成都亨通光通信有限公司 A kind of three core coloring moulds of optical cable production
CN110058368A (en) * 2019-05-08 2019-07-26 成都亨通光通信有限公司 A kind of optical cable bull coloring energy-saving production line
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