CN103587018B - A kind of shaping mould therefor system of pencil optical fiber and forming method - Google Patents
A kind of shaping mould therefor system of pencil optical fiber and forming method Download PDFInfo
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- CN103587018B CN103587018B CN201310494210.6A CN201310494210A CN103587018B CN 103587018 B CN103587018 B CN 103587018B CN 201310494210 A CN201310494210 A CN 201310494210A CN 103587018 B CN103587018 B CN 103587018B
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Abstract
The invention discloses the shaping mould therefor system of a kind of pencil optical fiber and forming method, comprise the intermittent coating die of UV-cured resin, preforming tool, mould and sizing die, preforming tool comprises preforming mould entrance and preforming mould outlet, preforming mould entrance is curved, the both sides that preforming mould exports are along the central axis helical buckling of preforming tool, to form inc spiral camber between preforming mould entrance and preforming mould outlet, the pencil optical fiber that this mold system and forming method are produced, in whole technical process, pencil optical fiber can not bend, pencil optical fiber can not flange, required Loose tube internal diameter is less, Loose tube external diameter can reduce more than 20% relatively, the pine cover central beam tube type manufactured with this or the optical cable of loose sleeve layer strand type, there is cable outer diameter little, density of optic fibre is larger, lightweight advantage, be applicable in more and more nervous existing Urban Underground sub-pipes, also reduce the raw materials consumption in fiber optic cable manufacture, reduce cost.
Description
Technical field
The present invention relates to fiber optic cable manufacture technical field, specifically, relate to the shaping mould therefor system of a kind of pencil optical fiber and forming method.
Background technology
Along with the growth of information and the universal of network, as the effective means of Large Copacity, long range propagation, optical fiber obtains a large amount of application.A large amount of construction of Metropolitan Area Network (MAN) and Access Network make urban duct resource more and more valuable, and high fiber count cable is subject to the restriction in urban Underground pipeline space.Improve density of optic fibre, reduce the physical dimension of high fiber count cable, high fiber count cable can be applicable in existing Urban Underground sub-pipes.
Loose tube cable is typically configured to around the tensile strength member that multiple optical fiber unit is gathered in be positioned at optical cable center, and in fiber unit, the optical fiber of requirement is arranged in plastic tube together with mucilage binding compound.Now, in order to make to reach minimum to the stress that optical fiber causes when installing or be wound around optical cable around cylinder due to cable bend, multiple Loose tube fiber unit is stranded or SZ is stranded is gathered in around tensile strength original paper with spiral.
The patent No. is the Chinese invention patent of 200810066057.6, announce a kind of layer-stranding cable, comprise sheath and cable core, sheath is wrapped in cable core periphery, described optical cable component wire wraps up optical fiber by the sleeve pipe of optical cable component wire and forms, but, smooth type fibre ribbon now used is placed in Loose tube and occurs fibre ribbon flange sometimes, cause optic fibre force, its transmission performance can sharply worsen; For this reason, optical fibre band optical cable must guarantee that in the processing route of whole production fibre ribbon is without turn-ups, and this will make production technology become comparatively complicated.
Summary of the invention
Instant invention overcomes shortcoming of the prior art, one of its object there is provided the shaping mould therefor system of a kind of pencil optical fiber, adopt this mold system can the higher pencil optical fiber of production density, for the reduction of optical cable loose tube size provides possibility, and pencil optical fiber can not flange, can not impact the transmission performance of pencil optical fiber.
Two of object of the present invention is to provide a kind of pencil optical fiber forming method, adopt the shaping mould therefor system of above-mentioned pencil optical fiber, in the processing route of whole production, pencil optical fiber all can not flange, guarantee that the performance of pencil optical fiber is unaffected in the processing route of whole production, and production technology is comparatively simple.
In order to solve the problems of the technologies described above, an object of the present invention is achieved through the following technical solutions:
The shaping mould therefor system of a kind of pencil optical fiber, comprises the intermittent coating die of UV-cured resin, preforming tool, mould and sizing die,
Preforming tool comprises preforming mould entrance and preforming mould outlet, preforming mould entrance is curved, the both sides of preforming mould outlet, along the central axis helical buckling of preforming tool, form inc spiral camber between exporting at preforming mould entrance and preforming mould;
The intermittent coating die of UV-cured resin comprises mold and bed die, the cavity for being passed through by the fibre ribbon of some optical fiber arrangements is formed between mold and bed die, mold is provided with upper recess, bed die is provided with lower concave part, the cylindrical chamber that upper recess and lower concave part composition pass through for every root optical fiber, the contact position of the corresponding adjacent pillars upper recess of mold is provided with vertical coating tubes, coating tubes is communicated with cavity, several coating tubes comprise the first coating tubes group and the second coating tubes group, horizontal and vertical in the setting that distributes alternately along mold of first coating tubes group and the second coating tubes group.
Further, the diameter of cylindrical chamber is 1.1-1.5 times of fibre diameter.
Two of object of the present invention is achieved through the following technical solutions:
A kind of pencil optical fiber forming method, uses the shaping mould therefor system of a kind of pencil optical fiber described above, comprises the following steps:
1) arrange: some loose shape optical fiber tilings are arranged in fibre ribbon;
2) apply: when fibre ribbon is by the intermittent coating die of UV-cured resin, UV-cured resin compartment of terrain adds purple
The intermittent coating die of outer light-cured resin, UV-cured resin is coated on fibre ribbon by interval;
3) solidify: the fibre ribbon after intermittent coating ultraviolet light curing resin, by ultraviolet curing device, makes to be coated in fibre ribbon
On UV-cured resin be cured;
4) preformed: the network diaphragm fibre ribbons after solidification enters preforming tool, network diaphragm fibre ribbons is pre-formed as curling shape fibre ribbon;
5) shaping: the network diaphragm fibre ribbons of curling shape enters mould, be shaped to the curling shape fibre ribbon rolled tightly;
6) sizing: fixed by the diameter of sizing die by the curling shape fibre ribbon rolled tightly;
7) take-up: final curling shape fibre ribbon is in the take-up of take-up place.
Further, in step 2) in, UV-cured resin is from the contact position transversely applied with the first coating tubes group longitudinally arranged in distributing alternately and the second coating tubes group be between the fibers positioned at mold, and adopt batch (-type) to apply, make UV-cured resin be the latticed contact position be coated between optical fiber.
Further, in step 2) in, be applied to one side coating.
Further, the radical length of UV-cured resin is 5-8mm, the UV-cured resin on same optical fiber be spaced apart 20-25mm.
Further, optical fiber is the optical fiber of different colours.
Compared with prior art, the invention has the beneficial effects as follows:
Adopt the pencil optical fiber that the shaping mould therefor system of pencil optical fiber of the present invention and forming method are produced, in whole technical process, pencil optical fiber can not bend, pencil optical fiber can not flange, the transmission performance of optical fiber is not affected, and improves the bending property of optical cable; Required Loose tube internal diameter is less, Loose tube external diameter can reduce more than 20% relatively, the pine cover central beam tube type manufactured with this or the optical cable of loose sleeve layer strand type, there is cable outer diameter little, density of optic fibre is larger, lightweight advantage, is applicable in more and more nervous existing Urban Underground sub-pipes, also reduce the raw materials consumption in fiber optic cable manufacture, reduce cost.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention, in the accompanying drawings:
Fig. 1 is the intermittent coated structure schematic diagram of UV-cured resin;
Fig. 2 is pencil optical fiber schematic diagram;
Fig. 3 is the intermittent coating die front view of UV-cured resin;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is preforming tool structural representation;
Fig. 6 is mould front view;
Fig. 7 is that the A-A of Fig. 6 is to sectional view;
Fig. 8 is sizing die structural representation;
Fig. 9 is the shaping flow chart of pencil optical fiber.
In Fig. 1 to Fig. 9, comprising:
1---the intermittent coating die of UV-cured resin; 2---preforming tool;
3---mould; 4---sizing die;
5---preforming mould entrance; 6---preforming mould exports;
7---mold; 8---bed die;
9---cavity; 10---the first coating tubes group;
11---the second coating tubes group; 12---UV-cured resin;
13---shaping mould entrance; 14---shaping mould exports;
15---plug die entrance; 16---plug die exports;
17---optical fiber ribbon paying out machine; 18---optical fiber polymerization mould;
19---take-up; 20---ultraviolet curing device.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
As shown in Figures 1 to 9, the shaping mould therefor system of a kind of pencil optical fiber of the present invention, comprise the intermittent coating die 1 of UV-cured resin, preforming tool 2, mould 3 and sizing die 4, preforming tool 2 comprises curved preforming mould entrance 5 and preforming mould outlet 6, preforming mould entrance 5 is curved, the both sides of preforming mould outlet 6, along the central axis helical buckling of preforming tool 2, form inc spiral camber between exporting 6 at preforming mould entrance 5 and preforming mould.
The intermittent coating die 1 of UV-cured resin comprises mold 7 and bed die 8, the cavity 9 passed through by the fibre ribbon of some optical fiber arrangements is formed between mold 7 and bed die 8, mold 7 is provided with upper recess, described bed die is provided with lower concave part, the cylindrical chamber that upper recess and lower concave part composition pass through for every root optical fiber, cylindrical chamber diameter is 1.1-1.5 times of fibre diameter, the contact position of mold 7 corresponding adjacent pillars upper recess is provided with vertical coating tubes, coating tubes is communicated with cavity 9, several coating tubes comprise the first coating tubes group 10 and the second coating tubes group 11, horizontal and vertical in the setting that distributes alternately along mold 7 of first coating tubes group 10 and the second coating tubes group 11.By the intermittent coating die 1 of UV-cured resin, UV-cured resin 12 interval is coated on fibre ribbon.
A kind of pencil optical fiber forming method of the present invention, uses the shaping mould therefor system of a kind of pencil optical fiber described above, comprises the following steps:
1) arrange, by optical fiber ribbon paying out machine 17, optical fiber polymerization mould 18 by the optical fiber of some loose shape different colours tiling row
Arrange into fibre ribbon, its quantity is 2-12 root;
2) apply, when fibre ribbon is by the intermittent coating die 1 of UV-cured resin, UV-cured resin 12 is from the contact position transversely applied with the first coating tubes group 10 longitudinally arranged in distributing alternately and the second coating tubes group 11 be between the fibers positioned at mold 7, and adopt batch (-type) to apply, make UV-cured resin 12 in the latticed contact position be coated between optical fiber, the some pieces of UV-cured resins 12 of compartment are adopted to be connected with its adjacent fiber by the optical fiber of one, the two halves of every block UV-cured resin 12 lay respectively on two optical fiber, and adopt one side to apply, the radical length of UV-cured resin 12 is 5-8mm, UV-cured resin 12 on same optical fiber be spaced apart 20-25mm, adopt this latticed coating, adopt less UV-cured resin 12 can by some optical fiber strong bond,
3) solidify, the fibre ribbon after intermittent coating is cured by ultraviolet curing device 20;
4) preformed, the network diaphragm fibre ribbons after solidification is by after entering preforming tool 2, and network diaphragm fibre ribbons is pre-formed as curling shape
Fibre ribbon;
5) shaping, the network diaphragm fibre ribbons of curling shape enters mould 3 by shaping mould entrance 13, and the curling shape fibre ribbon rolled tightly exports 14 shaping from shaping mould;
6) sizing, the curling shape fibre ribbon rolled tightly enters sizing die 4 by plug die entrance 15, will by sizing die 4
The diameter of the curling shape fibre ribbon rolled tightly is fixed, and pencil optical fiber from plug die outlet 16 out;
7) take-up, final pencil optical fiber is in take-up 19 place's take-up.
UV-cured resin 12 color is GB whole chromatogram, to distinguish curling shape network diaphragm fibre ribbons used in same root Loose tube.
The pencil optical fiber that the present invention produces is without the need to tying up with yarn, become rollable netted, the space taken in Loose tube reduces, and each optical fiber reticulates bonding, optical fiber has certain free degree, distinguish with heterochromatic adhering resin between fibre ribbon in same Loose tube, without the need to distinguishing by the color of tired bundle yarn.
Last it is noted that these are only the preferred embodiments of the present invention; be not limited to the present invention; although with reference to embodiment to invention has been detailed description; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; but it is within the spirit and principles in the present invention all; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the shaping mould therefor system of pencil optical fiber, is characterized in that: comprise the intermittent coating die of UV-cured resin, preforming tool, mould and sizing die,
Described preforming tool comprises preforming mould entrance and preforming mould outlet, described preforming mould entrance is curved, the both sides of described preforming mould outlet, along the central axis helical buckling of described preforming tool, form inc spiral camber between exporting at preforming mould entrance and preforming mould;
The intermittent coating die of described UV-cured resin comprises mold and bed die, the cavity for being passed through by the fibre ribbon of some optical fiber arrangements is formed between described mold and bed die, described mold is provided with upper recess, described bed die is provided with lower concave part, the cylindrical chamber that described upper recess and lower concave part composition pass through for every root optical fiber, described mold is provided with vertical coating tubes at the contact position of adjacent cylindrical chamber, described coating tubes is communicated with described cavity, several coating tubes described comprise the first coating tubes group and the second coating tubes group, horizontal and vertical in the setting that distributes alternately along described mold of described first coating tubes group and the second coating tubes group.
2. the shaping mould therefor system of a kind of pencil optical fiber according to claim 1, is characterized in that: the diameter of described cylindrical chamber is 1.1-1.5 times of fibre diameter.
3. a pencil optical fiber forming method, is characterized in that: use the shaping mould therefor system of a kind of pencil optical fiber described in the claims 1 or 2, comprise the following steps:
Arrangement: some loose shape optical fiber tilings are arranged in fibre ribbon;
Coating: when fibre ribbon is by the intermittent coating die of UV-cured resin, UV-cured resin compartment of terrain adds the intermittent coating die of UV-cured resin, UV-cured resin is coated on fibre ribbon by interval;
Solidification: the fibre ribbon after intermittent coating ultraviolet light curing resin, by ultraviolet curing device, makes the UV-cured resin be coated on fibre ribbon be cured;
Preformed: the network diaphragm fibre ribbons after solidification enters preforming tool, network diaphragm fibre ribbons is pre-formed as curling shape fibre ribbon;
Shaping: the network diaphragm fibre ribbons of curling shape enters mould, be shaped to the curling shape fibre ribbon rolled tightly;
Sizing: fixed by the diameter of sizing die by the curling shape fibre ribbon rolled tightly;
Take-up: final curling shape fibre ribbon is in the take-up of take-up place.
4. a kind of pencil optical fiber forming method according to claim 3, it is characterized in that: in coating step, UV-cured resin is from the contact position transversely applied with the first coating tubes group longitudinally arranged in distributing alternately and the second coating tubes group be between the fibers positioned at mold, and adopt batch (-type) to apply, make UV-cured resin be the latticed contact position be coated between optical fiber.
5. a kind of pencil optical fiber forming method according to claim 3, is characterized in that: in coating step, described in be applied to one side coating.
6. a kind of pencil optical fiber forming method according to claim 3, is characterized in that: the radical length of described UV-cured resin is 5-8mm, the UV-cured resin on same optical fiber be spaced apart 20-25mm.
7. a kind of pencil optical fiber forming method according to claim 3, is characterized in that: described optical fiber is the optical fiber of different colours.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310494210.6A CN103587018B (en) | 2013-10-21 | 2013-10-21 | A kind of shaping mould therefor system of pencil optical fiber and forming method |
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| CN201310494210.6A CN103587018B (en) | 2013-10-21 | 2013-10-21 | A kind of shaping mould therefor system of pencil optical fiber and forming method |
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| CN103587018A CN103587018A (en) | 2014-02-19 |
| CN103587018B true CN103587018B (en) | 2016-04-13 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759347A (en) * | 2016-04-15 | 2016-07-13 | 富通住电特种光缆（天津）有限公司 | Optical fiber bundle, optical cable and optical fiber bundle manufacturing method |
| JP6958010B2 (en) * | 2017-06-15 | 2021-11-02 | 住友電気工業株式会社 | Manufacturing method of optical connection parts |
| CN107377651A (en) * | 2017-08-07 | 2017-11-24 | 天津长飞鑫茂光缆有限公司 | A kind of optical cable steel aluminium strip shaped device |
| US10534151B2 (en) * | 2017-11-03 | 2020-01-14 | Ofs Fitel, Llc | Systems and techniques for splicing together optical fiber ribbon cables having different core-to-core spacings |
| CN110673281B (en) * | 2019-09-10 | 2020-07-31 | 烽火通信科技股份有限公司 | Manufacturing device and manufacturing method of flexible optical fiber ribbon |
| CN110665740B (en) * | 2019-09-26 | 2021-03-02 | 烽火通信科技股份有限公司 | Coating wheel, coating device, system and method for manufacturing optical fiber ribbon |
| CN112433319A (en) * | 2020-12-18 | 2021-03-02 | 南京华信藤仓光通信有限公司 | Optical fiber ribbon |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881976A (en) * | 1973-02-16 | 1975-05-06 | American Optical Corp | Fiber bundles for ornamental display devices and method of making same |
| CN1291725A (en) * | 1999-08-31 | 2001-04-18 | 古河电气工业株式会社 | Optical fiber cable |
| JP2003232973A (en) * | 2002-02-07 | 2003-08-22 | Sumitomo Electric Ind Ltd | Coated optical fiber tape |
-
2013
- 2013-10-21 CN CN201310494210.6A patent/CN103587018B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3881976A (en) * | 1973-02-16 | 1975-05-06 | American Optical Corp | Fiber bundles for ornamental display devices and method of making same |
| CN1291725A (en) * | 1999-08-31 | 2001-04-18 | 古河电气工业株式会社 | Optical fiber cable |
| JP2003232973A (en) * | 2002-02-07 | 2003-08-22 | Sumitomo Electric Ind Ltd | Coated optical fiber tape |
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Effective date of registration: 20191127 Address after: 523000 No. 10 Industrial North Road, Songshan Lake Science and Technology Industrial Park, Dongguan City, Guangdong Province Co-patentee after: Jiangsu Hengtong Photoelectric Co., Ltd. Patentee after: GUANGDONG HENGTONG PHOTOELECTRIC TECHNOLOGY CO., LTD. Address before: 523808 No. 10 industrial North Road, Songshan Lake Science and Technology Industrial Zone, Guangdong, Dongguan Patentee before: GUANGDONG HENGTONG PHOTOELECTRIC TECHNOLOGY CO., LTD. |
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