CN111484259B - Method for centralized coloring point/ring of multi-core colored optical fiber - Google Patents
Method for centralized coloring point/ring of multi-core colored optical fiber Download PDFInfo
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- CN111484259B CN111484259B CN202010442927.6A CN202010442927A CN111484259B CN 111484259 B CN111484259 B CN 111484259B CN 202010442927 A CN202010442927 A CN 202010442927A CN 111484259 B CN111484259 B CN 111484259B
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- 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
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- 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
- C03C25/14—Spraying
- C03C25/143—Spraying onto continuous fibres
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- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
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Abstract
A method for centralized coloring point/ring of multi-core colored fiber comprises the following steps: at the front end of the manufacturing process of the optical fiber unit tube, 12N paths of optical fiber lead-out optical fibers; dividing 12 (N-1) paths of optical fibers into (N-1) groups by using guide wheels, and passing through a concentrated hole after being collected; performing centralized color point printing on the colored optical fibers which penetrate through the front and the back of the centralized hole; spraying colored optical fiber color points/rings by using a small character code spraying machine in cooperation with phenolic resin ink; wherein N is a natural number greater than or equal to 2. A method for centralized coloring point/ring of multi-core colored optical fiber solves the problems of slow speed, high ink waste rate and the like existing in coloring after the point/ring of a single optical fiber is firstly made in the prior art, provides a novel centralized optical fiber point making technology, saves ink, improves efficiency, only needs to utilize the coiling and uncoiling equipment in the existing optical fiber unit tube manufacturing, and is simple to install and easy to realize.
Description
Technical Field
The invention relates to the technical field of optical fibers, in particular to a centralized color point/ring printing method for a multi-core colored optical fiber.
Background
The manufacture of the optical fiber unit tube in the optical fiber composite overhead ground wire (OPGW) usually requires that a large-capacity multi-core optical fiber (more than or equal to 24 cores) is integrated in one optical fiber unit tube. The traditional optical fiber coloring differentiation is limited by human visual identification capability, and can only be made into twelve colors of blue, orange, green, brown, gray, white, red, black, yellow, purple, pink and light blue. In order to break through the limitation that the fiber capacity of a single optical fiber unit tube is larger than that of a 12-core optical fiber, OPGW manufacturers commonly adopt the current mainstream technology of coloring the optical fiber after dotting/looping, and the technology realizes the requirements that one optical fiber unit tube can contain 48 cores of the optical fiber and the number of the optical fiber is higher by distinguishing one point/loop with equal distance, two continuous points/loops and three continuous points/loops.
The normal startup coloring speed of the optical fiber coloring machine can reach 1500-2000 m/min; the optical fiber color printing points/rings are limited by the drying speed of ink and the accuracy and the standardability of ring printing, the diameter of the outer layer of a fiber monofilament is about 125um, the jumping performance is high at high speed, the points/rings are easy to break away, the point printing speed generally does not exceed 300 m/min, only one fiber core can be subjected to ring printing at a time, the occupancy rate of a take-up and pay-off device is high, the production efficiency is low, the ink waste is serious, more than 98 percent of the ink is wasted, and the optical fiber color printing points/rings are painful and can not be recycled.
SUMMERY OF THE UTILITY MODEL
The invention provides a centralized color point/ring printing method for a multi-core colored optical fiber, which solves the problems of easy leakage point/ring release, high occupancy rate of a take-up and pay-off device, low production efficiency, serious waste of ink and the like existing in the prior art that a single optical fiber is printed with a point/ring first and then colored.
According to one aspect of the present invention, there is provided a centralized color-marking point/ring method for a multi-core colored optical fiber, comprising the following steps:
at the front end of the manufacturing process of the optical fiber unit tube, 12N paths of optical fiber lead-out optical fibers;
dividing 12 (N-1) paths into (N-1) groups by using a guide wheel, and passing through a centralized hole after being integrated;
performing centralized color printing on the optical fibers which pass through the front and the back of the centralized hole;
wherein N is a natural number greater than or equal to 2.
Further, the 12N optical fibers are paid off through a constant-tension optical fiber pay-off reel.
Further, the speed of the constant-tension optical fiber pay-off reel is less than or equal to 20 m/min.
Further, the guide wheel includes one or more of fixed guide wheel, unwrapping wire dancing wheel, transition guide wheel.
Furthermore, the concentrated holes are 5-6mm in diameter and 2mm in height.
Further, adopt quick air-dry spray gun head to carry out centralized ring of beating colors.
The method for centralized coloring of the color points/rings of the multi-core colored optical fiber solves the problems of easy leakage of the color points/rings, serious waste of ink and the like existing in the prior art that a single optical fiber is colored after being colored, provides a new centralized optical fiber coloring technology, saves the ink, improves the efficiency, only needs to utilize the wire coiling and uncoiling equipment in the existing optical fiber unit tube manufacturing, is simple to install and is easy to realize; the drawing speed of the optical fiber unit tube is generally not higher than 20 m/min, the optical fiber paying-off speed is low, the jitter is small, the color point/ring spraying accuracy is high, and the ink adhesion is good. And the optical fiber pay-off manufactured by the optical fiber unit tube has the length of over 10 meters generally, large space, free and convenient equipment installation and strong operability.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a process flow diagram of a centralized color point technique for multi-core colored optical fibers according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a centralized color point technique for a multi-core colored optical fiber according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In a first specific embodiment, as shown in fig. 1 and 2, at the front end of the manufacturing process of the optical fiber unit tube, 24 optical fibers are led out of the optical fibers through a constant-tension optical fiber pay-off reel, another 12 optical fibers in the 24 optical fibers are gathered through a centralized hole with a diameter of about 5-6mm and a height of 2mm by a plurality of guide wheels, and then a rapid air-drying spray gun head is used for performing centralized color-marking/looping on the 12 optical fiber cores in the group before and after the centralized hole.
The optical fiber pay-off manufactured by the optical fiber unit pipes is generally more than 10 meters in length and large in space, and a fixed guide wheel or a transition guide wheel can be reasonably installed according to the actual condition of equipment space, so that 12 paths of optical fibers are concentrated and then pass through a concentrated hole, and concentrated color printing is performed before and after concentrated control.
The centralized color point printing technology saves ink, improves efficiency, only needs to utilize the wire coiling and uncoiling equipment in the existing optical fiber unit tube manufacturing, is simple to install and easy to realize. And the drawing speed of the optical fiber unit tube is generally not higher than 20 m/min, the speed is slow, the jitter is small, the color point/ring spraying accuracy is high, and the ink adhesion is good. And the optical fiber pay-off made of the optical fiber unit pipe is generally longer than 10 meters, the space is large, the equipment is freely and conveniently installed, and the operability is strong.
The outer layer of the bare optical fiber is adhered with an acrylate curing material after being colored and cured. Therefore, after the bare optical fiber is colored in the technology, the colored optical fiber color points/rings can be sprayed by using a small character code spraying machine in cooperation with phenolic resin ink. The phenolic resin ink has natural good adhesiveness to acrylate cured substances, is not easy to wipe off, is technically feasible, and provides technical support for large capacity of single optical fiber unit tubes.
The technology effectively meets the requirement of large capacity of OPGW optical fiber unit tubes, is high in feasibility, simple and convenient to install, greatly improves the utilization rate of printing ink, and has important significance in promoting the efficiency of the secondary plastic coating process of optical fibers of common optical cables.
The second concrete embodiment:
at the front end of the manufacturing process of the optical fiber unit tube, 36 paths of optical fibers are led out of the optical fibers through a constant-tension optical fiber pay-off reel, the other 24 paths of the 36 paths of optical fibers are divided into 2 groups through a plurality of guide wheels, the groups are gathered and then pass through a centralized hole with the diameter of about 5-6mm and the height of 2mm, and then a quick air-drying spray gun head is used for performing centralized classification and marking of one color point/ring and two color points/rings in front of and behind the centralized hole.
The third concrete embodiment:
at the front end of the manufacturing process of the optical fiber unit tube, 48 paths of optical fibers are led out of the optical fibers through a constant-tension optical fiber pay-off reel, the other 36 paths of the 48 paths of optical fibers are divided into 3 groups through a plurality of guide wheels, the groups of optical fibers are gathered and then pass through a concentration hole with the diameter of about 5-6mm and the height of 2mm, and then a quick air-drying spray gun head is used for respectively performing centralized printing of a color point/ring, a two-color point/ring and a three-color point/ring before and after the concentration hole.
The fourth concrete example:
at the front end of the manufacturing process of the optical fiber unit tube, 60 paths of optical fibers are led out of the optical fibers through a constant-tension optical fiber pay-off reel, the other 48 paths of the 60 paths of optical fibers are divided into 4 groups through a plurality of guide wheels, the groups are gathered and then pass through a centralized hole with the diameter of about 5-6mm and the height of 2mm, and then a quick air-drying spray gun head is used for respectively carrying out centralized one-color point/ring, two-color point/ring, three-color point/ring and four-color point/ring before and after the centralized hole.
The fifth concrete example:
at the front end of the manufacturing process of the optical fiber unit tube, after 72 paths of optical fibers are led out of the optical fibers through a constant-tension optical fiber pay-off reel, the other 60 paths of the 72 paths of optical fibers are divided into 5 groups through a plurality of guide wheels, the groups of optical fibers are gathered and then pass through a centralized hole with the diameter of about 5-6mm and the height of 2mm, and then a quick air-drying spray gun head is used for performing centralized printing on a color point/ring, a two-color point/ring, a three-color point/ring, a four-color point/ring and a five-color point/ring in front of and behind the centralized hole.
The multi-core colored optical fiber centralized color point technology in the above embodiment firstly carries out paying off through an optical fiber paying-off disc, then leads out the optical fibers through a paying-off dancing wheel or a fixed guide wheel, and carries out grouping before and after passing through the centralized hole. Wherein the color wheel ink jet device is used for printing the color wheel. The small character code spraying machine of the device is a conventional device in the field matched with phenolic resin ink, so the specific structure and the working principle are not repeated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (4)
1. A method for centralized coloring point/ring of multi-core colored optical fiber is characterized in that: comprises the following steps:
at the front end of the manufacturing process of the optical fiber unit tube, 12N paths of optical fiber lead-out optical fibers;
dividing 12 (N-1) paths of optical fibers into (N-1) groups by using guide wheels, and passing through a concentrated hole after being collected;
carrying out centralized color painting on the colored optical fibers passing through the front and the back of the centralized hole;
spraying colored optical fiber color points/rings by using a small character code spraying machine in combination with phenolic resin ink;
wherein N is a natural number greater than or equal to 2;
paying off the 12N paths of optical fibers through a constant-tension optical fiber pay-off reel;
the speed of the constant-tension optical fiber pay-off reel is less than or equal to 20 m/min.
2. The method of claim 1, wherein the method comprises: the guide wheel comprises one or more of a fixed guide wheel, a line-releasing dancing wheel and a transition guide wheel.
3. The method of claim 2, wherein the method comprises: the diameter of the concentrated hole is 5-6mm, and the height of the concentrated hole is 2 mm.
4. The method of claim 3, wherein the method comprises: adopt quick air-dry spray gun head to carry out centralized type and beat the look ring.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010442927.6A CN111484259B (en) | 2020-05-22 | 2020-05-22 | Method for centralized coloring point/ring of multi-core colored optical fiber |
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| CN202010442927.6A CN111484259B (en) | 2020-05-22 | 2020-05-22 | Method for centralized coloring point/ring of multi-core colored optical fiber |
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| CN111484259B true CN111484259B (en) | 2023-01-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112918123B (en) * | 2021-01-29 | 2021-10-12 | 德阳汇川科技有限公司 | Optical fiber color ring printing positioning device and printing device |
| CN112876099B (en) * | 2021-02-01 | 2024-02-20 | 山东鹰联光电科技股份有限公司 | Centralized optical fiber coloring V-shaped line concentration die and coloring process thereof |
Citations (4)
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| CN202735535U (en) * | 2012-06-20 | 2013-02-13 | 南京烽火藤仓光通信有限公司 | Colourful optical fiber with identification |
| CN106517824A (en) * | 2016-11-18 | 2017-03-22 | 浙江亨通光网物联科技有限公司 | Color ring printing and coloring one-step forming technology and device for optical fibers |
| CN206204164U (en) * | 2016-10-18 | 2017-05-31 | 许昌学院 | A kind of coloring coating unit for optical fiber |
| CN209606678U (en) * | 2019-04-12 | 2019-11-08 | 汕头高新区奥星光通信设备有限公司 | A kind of band mark color can roll fibre ribbon |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150192739A1 (en) * | 2014-01-07 | 2015-07-09 | Gary A. Miller | Method for manufacturing multi-fiber bundles |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202735535U (en) * | 2012-06-20 | 2013-02-13 | 南京烽火藤仓光通信有限公司 | Colourful optical fiber with identification |
| CN206204164U (en) * | 2016-10-18 | 2017-05-31 | 许昌学院 | A kind of coloring coating unit for optical fiber |
| CN106517824A (en) * | 2016-11-18 | 2017-03-22 | 浙江亨通光网物联科技有限公司 | Color ring printing and coloring one-step forming technology and device for optical fibers |
| CN209606678U (en) * | 2019-04-12 | 2019-11-08 | 汕头高新区奥星光通信设备有限公司 | A kind of band mark color can roll fibre ribbon |
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