CN107741619A - A kind of optical cable colours two sets of integrated tinuous productions - Google Patents
A kind of optical cable colours two sets of integrated tinuous productions Download PDFInfo
- Publication number
- CN107741619A CN107741619A CN201711242424.9A CN201711242424A CN107741619A CN 107741619 A CN107741619 A CN 107741619A CN 201711242424 A CN201711242424 A CN 201711242424A CN 107741619 A CN107741619 A CN 107741619A
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- CN
- China
- Prior art keywords
- sets
- colours
- integrated
- optical cable
- solidification
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/104—Coating to obtain optical fibres
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
- C03C25/10—Coating
- C03C25/12—General methods of coating; Devices therefor
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
The invention discloses a kind of optical cable to colour two sets of integrated tinuous productions, including the color applicator, solidification equipment and secondary coating device being sequentially connected from front to back, the color applicator is used for the coloring that all optical fiber entered in it are carried out with different colours, the ink that the solidification equipment is used on rapid curing colored optical fiber, the secondary coating device are used to all colored optical fibers after solidification carrying out secondary coating formation Loose tube.The present invention integrates the coloring in optical cable production technology, two set of two big process, secondary coating is directly entered after optical fiber after coloring is cured, allow optical fiber coloring and two sets to be completed simultaneously in a new production line, can improve that production efficiency, fiber optic cable manufacture be horizontal and efficiency.
Description
Technical field
The invention belongs to optic communication transmission technique field, is related to a kind of fiber optic cable manufacture device, and in particular to a kind of optical cable
Two sets of integrated tinuous productions of color.
Background technology
Existing optical cable production technology is that coloring, two sets are divided into two big processes, is given birth to respectively by coloring production line and two sets
Producing line is completed, the colored optical fiber that coloring production line has produced by deposit, be transported to be used as semi-finished product after two sets of processes again come
Production casing, the shortcomings that equipment investment and larger factory building investment so be present, and add the storage of optical fiber in production, turn
Work is transported, is unfavorable for the maximization of efficiency and benefit.
The content of the invention
It is an object of the invention to provide a kind of optical cable to colour two sets of integrated tinuous productions, and it is by optical cable production technology
In coloring, two set of two big process integrated by automation, after intellectualized reconstruction, it is straight after the optical fiber after coloring is cured
Tap into secondary coating, allow optical fiber coloring and two sets to be completed simultaneously in a new production line, production efficiency, optical cable can be improved
Manufacture level and efficiency.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of optical cable colours two sets integrated tinuous productions, including be sequentially connected from front to back color applicator, solidify
Device and secondary coating device, the color applicator are used for the coloring that all optical fiber entered in it are carried out with different colours, institute
The ink that solidification equipment is used on rapid curing colored optical fiber is stated, the secondary coating device is used for all colorings after solidification
Optical fiber carries out secondary coating and forms Loose tube.
By above-mentioned technical proposal, the solidification equipment includes curing oven, is arranged on the arc reflection of the curing oven inwall
Plate, the one or more glass tubes being horizontally set in the curing oven and the ultraviolet lamp being arranged in the curing oven
Pipe, the ultraviolet light that the quartz burner is sent carry out moment after the reflection of arc reflection plate focuses on to the ink on colored optical fiber
Solidification.
By above-mentioned technical proposal, the glass tube is quartz ampoule.
By above-mentioned technical proposal, the quartz burner is LED ultraviolet tubes, what the LED ultraviolet tubes were sent
The dominant wavelength of ultraviolet light and the consistent wavelength of ultraviolet light needed for ink rapid curing.
By above-mentioned technical proposal, the production line also includes the online Excess length measuring for being arranged on the secondary coating device rear end
Device, the online Excess length measuring device are used to monitor plus-efl value on-line.
By above-mentioned technical proposal, the production line also includes the diameter detection for being arranged on the online Excess length measuring device rear end
Instrument and defect detection instrument.
By above-mentioned technical proposal, the production line also includes the online solidification detection dress for being arranged on the solidification equipment rear end
Put, it is described whether qualified for the colored optical fiber after detecting solidification in line solidification detection means.
By above-mentioned technical proposal, the production line also includes the actinobacillus device for being arranged on the color applicator front end, described to put
Line apparatus is used to uniformly release multifiber at a high speed.
By above-mentioned technical proposal, the production line also include be arranged on rearmost end point coil winding apparatus, described point coil around
Device is used to divide Loose tube progress take-up to disk.
By above-mentioned technical proposal, the production line also includes being used for the nitrogen supply (NS) device for providing high-purity nitrogen.
The beneficial effect comprise that：Color applicator, solidification equipment and secondary coating device are placed on one by the present invention
On bar production line, Natural color optical fiber is directly entered secondary coating device after colouring, solidifying and carries out collection fibre, for glue, extrusion moulding
Produce qualified optical fiber loose tube, optical fiber coloring, two sets complete together, eliminate the pay-off unit and receipts on coloring production line
Line unit, has saved equipment investment, reduces occupation area of equipment and plant area, and can effectively remove colored optical fiber fortune
Turn, storage link, save storehouse needed for depositing colored optical fiber, without transporting semi-finished product, reduce intermediate link, saved people
Member, improves production efficiency, improves fiber optic cable manufacture level and efficiency.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the structural representation of solidification equipment in the embodiment of the present invention；
Fig. 3 is the structural representation of optical cable in the embodiment of the present invention.
In figure：1- actinobacillus devices, 2- color applicators, 301- curing ovens, 302- glass tubes, 303- quartz burners, 4- bis-
Secondary set molding apparatus, the online Excess length measuring devices of 5-, 6- diameters survey meter, 7- defect detections instrument, 8- solidify detection means, 9- online
Divide and coil winding apparatus, 10- tractions and tenslator, 100- pipes, 200- colored optical fibers, 300- greasy for preventing water.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
As shown in figure 1, a kind of optical cable colours two sets of integrated tinuous productions, including the coloring being sequentially connected from front to back
Device 2, solidification equipment and secondary coating device 4, color applicator 2 are used to carry out different colours to all optical fiber entered in it
Coloring, the ink that solidification equipment is used on rapid curing colored optical fiber, secondary coating device 4 are used for all colorings after solidification
Optical fiber carries out secondary coating and forms Loose tube.
In the present embodiment, color applicator uses existing color applicator, including ink tank, pressure feeding machanism, coloring mould
Have, being deposited in ink tank has UV curable ink, and the ink performance is excellent, can consolidate in UV curing oven high speed moment
Change, it is non-migratory to wipe on standard wipes instrument multiple color after solidification, meets the needs of different clients, coloring mould by die holder,
Enter mouth mold, ink cavity and the part of outlet mold 4 composition, curing ink can be uniformly coated when high speed fibre to be colored passes through coloring mould,
The colored optical fiber of more than 12 kinds colors can be produced by customer requirement.
In the present embodiment, secondary coating device uses existing secondary coating device, including extruding machine, mould etc.,
Small extruding machine, which coordinates, changes spreader use, can produce the colour bar sleeve pipe with colour bar tag line, colour bar tag line can be each
Kind of vitta, can also install high speed ink jet numbering machine additional, can on sleeve pipe spray printing vitta or other marks, meet different clients demand,
The sleeve pipe of various identification markings can be produced.
In a preferred embodiment of the invention, as shown in Fig. 2 solidification equipment includes curing oven 301, is arranged on curing oven
The arc reflection plate of 301 inwalls, the one or more glass tubes 302 being horizontally set in curing oven 301 and it is arranged on solidification
Quartz burner 303 in stove 301, the ultraviolet light that quartz burner 303 is sent is after the reflection of arc reflection plate focuses on to coloring
Ink on optical fiber carries out instantaneous solidification, ensures solidification quality.Wherein, glass tube is quartz ampoule, and quartz burner is traditional
Ultraviolet tube, or LED ultraviolet tubes, the wave-length coverage for the ultraviolet light that LED ultraviolet tubes are sent is wanted and ink
Ultraviolet wavelength range needed for rapid curing is consistent, and the ultraviolet light in the range of this is not easy to be absorbed by glass tube, ensures solid
Change power, in the present embodiment, the dominant wavelength of ultraviolet light is 4nm.Solidification equipment can also configure air draft mechanism.
When the optical fiber that more have been coated with different colours ink passes through in quartz ampoule high speed, two groups of LED lamps send master
The certain ultraviolet light of wavelength, reflect and focus on through arc reflection cover, the light trigger in optical fiber surface ink absorbs shape after radiation energy
Into free radical or cation, trigger monomer and prepolymer that polymerization, crosslinking and graft reaction occurs, be solidified into the very short time
The high molecular polymer of tridimensional network, instantaneous solidification, it is met the colored optical fiber of technological requirement.
In a preferred embodiment of the invention, as shown in figure 1, the production line also includes being arranged on secondary coating device rear end
Online Excess length measuring device 5, online Excess length measuring device is used to monitor plus-efl value on-line, ensures casing length and fiber lengths
Difference within 20/10000ths, ensure the various performances of optical cable.It is cold that online Excess length measuring device is also configured with multistage gradient
But tank, traction and tension mechanism etc., the fiber lengths and casing length base in sleeve pipe are ensured by adjusting water temperature, tension force etc.
This is consistent, while also ensures that all fiber lengths in sleeve pipe are basically identical, ensure the performance of optical cable, including stability
Energy, environmental performance and optical property etc..
In a preferred embodiment of the invention, as shown in figure 1, the production line also includes being arranged on online Excess length measuring device
The diameter survey meter 6 and defect detection instrument 7 of rear end, diameter survey meter include laser detector and mechanical bulge survey meter, energy
Enough effective abnormal and automatic alarms for finding casing diameter.
In a preferred embodiment of the invention, as shown in figure 1, the production line also include be arranged on solidification equipment rear end
Whether line solidifies detection means 8, qualified in the colored optical fiber that line solidification detection means is used to detect after solidifying, on solidification equipment also
It is configurable on linear light power detection device.
In a preferred embodiment of the invention, as shown in figure 1, the production line also includes being arranged on putting for color applicator front end
Line apparatus 1, actinobacillus device are used to uniformly release multifiber at a high speed, can guarantee that optical fiber to be colored uniformly, stably, high speed puts
Line, actinobacillus device blow and put including unwrapping wire servomotor, transition guide wheel or deflector roll, straining pulley, electrostatic precipitation ion.
In a preferred embodiment of the invention, as shown in figure 1, the production line also include be arranged on rearmost end point coil around
Device 9, a point coiling winding apparatus are used to divide Loose tube progress take-up to disk.
In a preferred embodiment of the invention, as shown in figure 1, the production line also includes being used for the nitrogen for providing high-purity nitrogen
Gas feeding mechanism, including multilevel flow valve control nitrogen flow, ensure provision of purified nitrogen that is stable, weighing.
The production line can produce and fill out tubing and casing, and it configures gel filling device, ensure to provide to inside optical fiber and sleeve pipe
High performance thixotropy ointment, ensure the longitudinal water-blocking performance of sleeve pipe, or configuration water-proofing powder spraying filling device, pass through spraying
Water-proofing powder replaces ointment to ensure the longitudinal water-blocking performance of sleeve pipe.The production line can also produce dry type sleeve pipe, and it configures resistance
Water yarn actinobacillus device and aerating device, ensure the longitudinal water-blocking performance of sleeve pipe by placing water blocking yarn instead of ointment.The production
Line can also be in gel filling device or water blocking yarn actinobacillus device former configuration collection fibre device, including guide wheel and collection fiber die, by 1
It is gathered together to 48 optical fiber, the sleeve pipe of 1 to 48 cores can be produced.The production line can also configure the operating system of computer control
With data query system and the various abnormal alarm systems of production line.
As shown in figure 1, the present invention is in specific application, technological process is as follows：The Natural color supplied materials light of 12 equal lengths
It is fine from actinobacillus device 1 uniformly, high speed unwinding, turn into the colored optical fibers of 12 different colours, 12 colorings after color applicator 2
Optical fiber is divided into three groups and respectively enters in three quartz ampoules through two groups of LED ultraviolet tubes while solidify, and colored optical fiber is through online
Solidification detection means 8 detect it is qualified after enter secondary coating device 4, through collection it is fine, enter for glue in the sleeve pipe extruded formed it is loose
The online Excess length measuring device 5 with multistage bosh, haulage gear is immediately entered after sleeve pipe and forms qualified Loose tube, pine
Sleeve pipe, by traction and tenslator 10, divides coiling to install around automatically through diameter survey meter 6, the on-line checking of defect detection instrument 7
Putting 9 completion take-ups divides disk offline work, and Loose tube production is completed.As shown in figure 3, Loose tube includes what is extruded with PBTP materials
100,12 colored optical fibers 200 of pipe and greasy for preventing water 300.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of optical cable colours two sets of integrated tinuous productions, it is characterised in that including the coloring being sequentially connected from front to back
Device, solidification equipment and secondary coating device, the color applicator are used to carry out different colours to all optical fiber entered in it
Coloring, the solidification equipment be used for rapid curing colored optical fiber on ink, the secondary coating device be used for will solidification after
All colored optical fibers carry out secondary coating formed Loose tube.
2. optical cable according to claim 1 colours two sets of integrated tinuous productions, it is characterised in that the solidification equipment
Including curing oven, it is arranged on the arc reflection plate of the curing oven inwall, one be horizontally set in the curing oven or more
Individual glass tube and the quartz burner being arranged in the curing oven, the ultraviolet light that the quartz burner is sent are anti-through arc
Penetrate after plate reflection focuses on and instantaneous solidification is carried out to the ink on colored optical fiber.
3. optical cable according to claim 2 colours two sets of integrated tinuous productions, it is characterised in that the glass tube is
Quartz ampoule.
4. optical cable according to claim 2 colours two sets of integrated tinuous productions, it is characterised in that the ultraviolet lamp
Manage ultraviolet needed for the dominant wavelength of the ultraviolet light sent for LED ultraviolet tubes, the LED ultraviolet tubes and ink rapid curing
The consistent wavelength of light.
5. optical cable according to claim 1 colours two sets of integrated tinuous productions, it is characterised in that the production line also wraps
The online Excess length measuring device for being arranged on the secondary coating device rear end is included, the online Excess length measuring device is used to supervise online
Survey plus-efl value.
6. optical cable according to claim 5 colours two sets of integrated tinuous productions, it is characterised in that the production line also wraps
Include the diameter survey meter and defect detection instrument for being arranged on the online Excess length measuring device rear end.
7. optical cable according to claim 1 colours two sets of integrated tinuous productions, it is characterised in that the production line also wraps
The online solidification detection means for being arranged on the solidification equipment rear end is included, it is described after line solidification detection means is used to detect solidification
Colored optical fiber it is whether qualified.
8. optical cable according to claim 1 colours two sets of integrated tinuous productions, it is characterised in that the production line also wraps
The actinobacillus device for being arranged on the color applicator front end is included, the actinobacillus device is used to uniformly release multifiber at a high speed.
9. optical cable according to claim 1 colours two sets of integrated tinuous productions, it is characterised in that the production line also wraps
Point coiling winding apparatus for being arranged on rearmost end is included, winding apparatus is coiled for described point and is used to divide Loose tube progress take-up to disk.
10. optical cable according to claim 1 colours two sets of integrated tinuous productions, it is characterised in that the production line is also
Including the nitrogen supply (NS) device for providing high-purity nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711242424.9A CN107741619A (en) | 2017-11-30 | 2017-11-30 | A kind of optical cable colours two sets of integrated tinuous productions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711242424.9A CN107741619A (en) | 2017-11-30 | 2017-11-30 | A kind of optical cable colours two sets of integrated tinuous productions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107741619A true CN107741619A (en) | 2018-02-27 |
Family
ID=61239868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711242424.9A Pending CN107741619A (en) | 2017-11-30 | 2017-11-30 | A kind of optical cable colours two sets of integrated tinuous productions |
Country Status (1)
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| CN (1) | CN107741619A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108545965A (en) * | 2018-07-17 | 2018-09-18 | 长飞光纤光缆四川有限公司 | Novel optical fiber colours production line |
| CN108919444A (en) * | 2018-07-20 | 2018-11-30 | 长飞光纤光缆股份有限公司 | The online UVLED of two sets of multifiber of permanent running tension mode solidifies color applicator |
| 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 |
| CN110286451A (en) * | 2019-05-09 | 2019-09-27 | 成都亨通光通信有限公司 | A kind of optical cable multi-fiber coloring plastic sleeve integrated energy-saving production line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004233572A (en) * | 2003-01-29 | 2004-08-19 | Fujikura Ltd | Optical fiber cable and its manufacturing method |
| CN201634582U (en) * | 2010-01-22 | 2010-11-17 | 田小中 | Novel optical fiber coloring curing oven device |
| CN103472526A (en) * | 2013-09-30 | 2013-12-25 | 南京烽火藤仓光通信有限公司 | Colored optical fiber and manufacturing method thereof |
| CN105070410A (en) * | 2015-08-07 | 2015-11-18 | 江苏万华通信科技有限公司 | Cable production system |
| CN106772859A (en) * | 2016-12-30 | 2017-05-31 | 通鼎互联信息股份有限公司 | A kind of outdoor optical cable production method |
-
2017
- 2017-11-30 CN CN201711242424.9A patent/CN107741619A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004233572A (en) * | 2003-01-29 | 2004-08-19 | Fujikura Ltd | Optical fiber cable and its manufacturing method |
| CN201634582U (en) * | 2010-01-22 | 2010-11-17 | 田小中 | Novel optical fiber coloring curing oven device |
| CN103472526A (en) * | 2013-09-30 | 2013-12-25 | 南京烽火藤仓光通信有限公司 | Colored optical fiber and manufacturing method thereof |
| CN105070410A (en) * | 2015-08-07 | 2015-11-18 | 江苏万华通信科技有限公司 | Cable production system |
| CN106772859A (en) * | 2016-12-30 | 2017-05-31 | 通鼎互联信息股份有限公司 | A kind of outdoor optical cable production method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108545965A (en) * | 2018-07-17 | 2018-09-18 | 长飞光纤光缆四川有限公司 | Novel optical fiber colours production line |
| CN108545965B (en) * | 2018-07-17 | 2023-11-10 | 四川乐飞光电科技有限公司 | Optical fiber coloring production line |
| CN108919444A (en) * | 2018-07-20 | 2018-11-30 | 长飞光纤光缆股份有限公司 | The online UVLED of two sets of multifiber of permanent running tension mode solidifies color applicator |
| 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 |
| 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 |
| CN110286451A (en) * | 2019-05-09 | 2019-09-27 | 成都亨通光通信有限公司 | A kind of optical cable multi-fiber coloring plastic sleeve integrated energy-saving production line |
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Application publication date: 20180227 |
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