CN208654371U - A kind of optical fiber secondary coating is from centering type coating unit - Google Patents
A kind of optical fiber secondary coating is from centering type coating unit Download PDFInfo
- Publication number
- CN208654371U CN208654371U CN201820707802.XU CN201820707802U CN208654371U CN 208654371 U CN208654371 U CN 208654371U CN 201820707802 U CN201820707802 U CN 201820707802U CN 208654371 U CN208654371 U CN 208654371U
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- pipe
- conical surface
- fiber
- inner conical
- fine pipe
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- 238000000576 coating method Methods 0.000 title claims abstract description 56
- 239000011248 coating agent Substances 0.000 title claims abstract description 55
- 239000013307 optical fiber Substances 0.000 title claims abstract description 27
- 239000000835 fiber Substances 0.000 claims abstract description 75
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 6
- 230000008676 import Effects 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002674 ointment Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The utility model relates to a kind of optical fiber secondary coatings from centering type coating unit, including by fiber paste coating unit, fine pipe is led by what fastening bolt was connect with oil-filled chamber, and it is fixed on and leads fine pipe periphery, and the head spreader of inner conical surface A Yu inner conical surface B are respectively equipped in it, hollow mold core is additionally provided in head spreader, the male cone (strobilus masculinus) of mold core can cooperate with head spreader inner conical surface A, it leads in fine pipe and is greater than the steel pipe for leading fine pipe equipped with length, and runs through on leading fine pipe and steel pipe and offer the strip hole that can be in communication with the outside, the male cone (strobilus masculinus) for leading fine pipe simultaneously can cooperate with head spreader inner conical surface B.Whole device structure is simple, operating aspect, and not needing manual adjustment can be realized automatic centering, solves the problems, such as that mold mounting and adjusting is time-consuming in existing optical cable loose tube production, manages interior disconnected fine, casing bulge, improves the production efficiency and product qualified rate of optical cable.
Description
Technical field
The utility model relates to optical cable for communication technical field, especially a kind of optical fiber secondary coating is coated from centering type and is filled
It sets.
Background technique
It is also higher and higher to the quality requirement of optical cable and optical fibres with the continuous development of information industry, therefore to optical cable secondary
Production efficiency, product quality, product qualified rate, die change installation effectiveness in plastic sleeve technique etc. are proposed higher want
It asks.Traditional secondary coating ointment device for filling oil uses the principle of needle tubing injection, fiber paste is filled in PBT casing, there are molds
Specifications and models are more, lead fine pipe and the contact surface of fiber optic bundle is big, die change is inconvenient, mold centering adjusts time-consuming, ointment and flows
Unsmooth equal the problem of influencing efficiency, the and during manufacturing, fiber optic bundle lead in fine pipe the contact longer, space of distance compared with
It is small, it is easy accumulation sundries and blocks pipeline, certain resistance is caused to fiber optic bundle, so that optical cable is made to be easy the destruction by external force,
Production process is caused to interrupt fine, casing bulge and other issues.Have in response to the above problems in the prior art all kinds of
Solution carried out in coating in, wherein Authorization Notice No. including the optical cable for also needing to continue subsequent technique
A kind of large core fiber, especially big core plastic cladded-fiber are disclosed for the utility application of CN201873623U
Resinous coat coating unit.The device includes a shell, and guidance mould is installed in shell, is guided between mould and housing bottom
For liquid coating chamber, in the bottom of shell, corresponding guidance mould opens up fairlead interface, it is characterised in that installs in fairlead interface
Flexible formation mould.The utility model can make optical fiber be in inner hole center by the cord of shaping mold cavity inner hole, then in light
After fibre draws shaping mold cavity, using the effect of liquid coating surface tension, the coating rapid closing divided by cord is made to form packet
Cover the outer layer of optical fiber.But automatic adjustment and centering are completed by the cord in shaping mold cavity inner hole, not only because of cord and optical fiber
Contact so that entire coating procedure increased friction, and resistance is uneven, and only completes by the surface tension of liquid coating pair
The cladding of optical fiber inevitably has covering unevenness or even exposed place.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, propose that a kind of structure is simple, light easy to use
Cable secondary coating is from centering type coating unit.
The optical fiber secondary coating of the utility model is from centering type coating unit, including by oil-filled chamber, fiber optic bundle outlet mold, fibre
Cream current divider and fiber optic bundle import mould composition fiber paste coating unit, it is characterised in that: further include by fastening bolt with fill
Oil pocket connection is led that fine pipe and being fixed on leads fine pipe periphery and is respectively equipped with the head of inner conical surface A and inner conical surface B point in it
Flow cone is additionally provided with hollow mold core in head spreader, and the male cone (strobilus masculinus) of mold core can cooperate with head spreader inner conical surface A, lead fibre
The interior length that is equipped with of pipe is greater than the steel pipe for leading fine pipe, and runs through on leading fine pipe and steel pipe and offer the strip that can be in communication with the outside
Hole, while the male cone (strobilus masculinus) for leading fine pipe can cooperate with head spreader inner conical surface B.Fiber optic bundle import mould, fiber paste in the utility model
Current divider, fiber optic bundle outlet mold and leads fine pipe and is respectively positioned on same center line, by mold core and leading the periphery of fine pipe and being arranged
The male cone (strobilus masculinus) that can cooperate with the inner conical surface of head spreader, reach whole device from centering purpose, and leading fine Guan Yugang
Through the strip hole that can be in communication with the outside is offered on pipe, so that optical fiber is connected in coating procedure with ambient atmosphere, avoid producing
Raw negative pressure.Whole device structure is simple, operating aspect, and not needing manual adjustment can be realized automatic centering, solves existing light
Mold mounting and adjusting is time-consuming in the production of cable Loose tube, in pipe the problem of disconnected fine, casing bulge, improve optical cable production efficiency and
Product qualified rate.
The optical fiber secondary coating of the utility model is from centering type coating unit, the head spreader inner conical surface A and head
The taper of spreader inner conical surface B is 3 ° -5 °.
Further, the optical fiber secondary coating of the utility model is from centering type coating unit, and the strip hole is four, and edge
Central axis is symmetrical arranged, and human eye can be made easily to observe strip hole.
Further, the optical fiber secondary coating of the utility model is successively arranged from centering type coating unit, the oil-filled chamber
Fiber optic bundle outlet mold, fiber paste current divider and fiber optic bundle import mould, fiber optic bundle outlet mold is close to the steel pipe one end led in fine pipe, light
Fine beam import mould is equipped with fiber entrance.Fiber optic bundle passes through fiber optic bundle import mould, across the oil-filled chamber for being full of fiber paste, finally from light
Fine beam outlet mold comes out to enter and lead in fine pipe.
Further, during the optical fiber secondary coating of the utility model is set from centering type coating unit, the fiber paste current divider
Heart hole, periphery is equipped with spiral flow channel, and runner is connected at the fiber paste entrance on oil-filled chamber.The symmetrical stream of installation in oil-filled chamber
The fiber paste current divider in road, and fiber paste is made to enter oil-filled chamber by the pipeline and gear pump connected with certain pressure and flow, it keeps away
When having exempted from fiber paste filling oil pocket, certain impact resistance is caused to fiber optic bundle.
Further, the optical fiber secondary coating of the utility model is stretched from centering type coating unit, the steel pipe led in fine pipe
Entering the length in mold core is 15-25mm.
Further, the optical fiber secondary coating of the utility model is from centering type coating unit, it is described be used to connect lead fine pipe with
The fastening bolt of oil-filled chamber is limited with circlip.
Compared with prior art, the utility model has technical effect beneficial below:
A kind of optical fiber secondary coating of the utility model is from centering type coating unit, and wherein fiber optic bundle import mould, fiber paste are divided
Flow device, fiber optic bundle outlet mold and lead fine pipe and be respectively positioned on same center line, by mold core and lead the periphery setting of fine pipe can
The male cone (strobilus masculinus) cooperated with the inner conical surface of head spreader, reach whole device from centering purpose, and leading fine pipe and steel pipe
Above through the strip hole that can be in communication with the outside is offered, so that optical fiber is connected in coating procedure with ambient atmosphere, avoid generating
Negative pressure.Whole device structure is simple, operating aspect, and not needing manual adjustment can be realized automatic centering, solves existing optical cable
Mold mounting and adjusting is time-consuming in Loose tube production, in pipe the problem of disconnected fine, casing bulge, improve optical cable production efficiency and at
Product qualification rate.
Detailed description of the invention
Fig. 1 is the utility model structure sectional view.
Fig. 2 is the utility model fiber paste diversion structure schematic diagram.
Fig. 3 is that the utility model leads fine pipe structural schematic diagram.
In figure: 1. head spreaders, 1-1. inner conical surface A, 1-2. inner conical surface B, 2. mold cores, 3. lead fine pipe, 4. fastening bolts,
5. circlip, 6. oil-filled chambers, 7. fiber optic bundle outlet molds, 8. fiber paste current dividers, 9. fiber optic bundle import moulds, 10. strip holes, 11. steel pipes,
12. fiber entrance, 13. fiber paste entrances.
Specific embodiment
The utility model is described in further detail below with reference to specific embodiment.
It is as shown in Figure 1-Figure 3: the optical fiber secondary coating of the utility model from centering type coating unit, including by oil-filled chamber 6,
The fiber paste coating unit that fiber optic bundle outlet mold 7, fiber paste current divider 8 and fiber optic bundle import mould 9 form further includes by fastening spiral shell
It is that bolt 4 was connect with oil-filled chamber 6 lead fine pipe 3 and being fixed on leads fine 3 periphery of pipe and be respectively equipped in it inner conical surface A 1-1 with
The head spreader 1 of inner conical surface B 1-2 is led the fastening bolt 4 of fine pipe 3 and oil-filled chamber 6 and is limited with circlip 5 for connecting.
Hollow mold core 2 is additionally provided in head spreader 1, the male cone (strobilus masculinus) of mold core 2 can cooperate with head spreader inner conical surface A 1-1, lead
It is equipped with length in fine pipe 3 and is greater than the steel pipe 11 for leading fine pipe 3, and runs through on leading fine pipe 3 and steel pipe 11 and offers and can connect with the external world
Logical strip hole 10, while the male cone (strobilus masculinus) for leading fine pipe 3 can cooperate with head spreader inner conical surface B 1-2.It is successively set in oil-filled chamber 6
There are fiber optic bundle outlet mold 7, fiber paste current divider 8 and fiber optic bundle import mould 9, fiber optic bundle outlet mold 7 is close to the steel pipe led in fine pipe 3
11 one end, fiber optic bundle import mould 9 are equipped with fiber entrance 12, and centre bore is set in fiber paste current divider 8, and periphery is equipped with spiral current
Road, and runner is connected at the fiber paste entrance 13 on oil-filled chamber 6.
In presently preferred embodiment, it is fixed that head spreader 1 is connected through a screw thread and leads fine pipe 3, and in head spreader
The taper of conical surface A 1-1 and head spreader inner conical surface B 1-2 is 5 °, leads the length that the steel pipe 11 in fine pipe 3 protrudes into mold core 2
For 15-25mm, strip hole 10 is four, and is symmetrical arranged along central axis, extraneous by the Kong Laiyu being set in fastening bolt 4
Connection.The centre bore aperture of fiber paste current divider 8 is 3-5mm, and the aperture value range of fiber optic bundle import mould 9 is 1.1-1.4mm,
The aperture value range of fiber optic bundle outlet mold 7 is 1.4-2.2mm, and the entrance of fiber optic bundle import mould 9 and fiber optic bundle outlet mold 7 falls
Fillet, rounding off reduce frictional resistance of the fiber optic bundle in traveling.
In use, for producing 6 cores/1.85mm PBT casing, 6 optical fiber from fiber optic bundle import mould 9 into
Enter, pass through fiber paste current divider 8, taken out of in the oil-filled chamber 6 full of fiber paste by fiber optic bundle outlet mold 7 after fiber paste, finally via
The steel pipe 11 led in fine pipe 3 imports in mold core 2, completes the entire coating procedure of casing.Whole device structure is simple, operation side
Face, not needing manual adjustment can be realized automatic centering, solve mold mounting and adjusting in the production of existing optical cable loose tube it is time-consuming,
In pipe the problem of disconnected fibre, casing bulge, the production efficiency and product qualified rate of optical cable are improved.
Claims (7)
1. a kind of optical fiber secondary coating divides from centering type coating unit, including by oil-filled chamber (6), fiber optic bundle outlet mold (7), fiber paste
Flow the fiber paste coating unit of device (8) and fiber optic bundle import mould (9) composition, it is characterised in that: further include by fastening bolt (4)
What is connect with oil-filled chamber (6) leads that fine pipe (3) and being fixed on leads fine pipe (3) periphery and is respectively equipped with inner conical surface A (1- in it
1) with the head spreader (1) of inner conical surface B (1-2), head spreader (1) is interior to be additionally provided with hollow mold core (2), mold core (2)
Male cone (strobilus masculinus) can cooperate with head spreader inner conical surface A (1-1), lead in fine pipe (3) and be greater than the steel pipe for leading fine pipe (3) equipped with length
(11), and run through on leading fine pipe (3) and steel pipe (11) and offer the strip hole (10) that can be in communication with the outside, meanwhile, lead fine pipe
(3) male cone (strobilus masculinus) can cooperate with head spreader inner conical surface B (1-2).
2. optical fiber secondary coating according to claim 1 is from centering type coating unit, which is characterized in that the head shunts
The taper for boring inner conical surface A (1-1) and head spreader inner conical surface B (1-2) is 3 ° -5 °.
3. optical fiber secondary coating according to claim 2 is from centering type coating unit, which is characterized in that the strip hole
It (10) is four, and be symmetrical arranged along central axis.
4. optical fiber secondary coating according to claim 3 is from centering type coating unit, which is characterized in that the oil-filled chamber
(6) fiber optic bundle outlet mold (7), fiber paste current divider (8) and fiber optic bundle import mould (9), fiber optic bundle outlet mold (7) are successively arranged in
Close to steel pipe (11) one end led in fine pipe (3), fiber optic bundle import mould (9) is equipped with fiber entrance (12).
5. optical fiber secondary coating according to claim 4 is from centering type coating unit, which is characterized in that the fiber paste shunts
Centre bore is set in device (8), periphery is equipped with spiral flow channel, and runner is connected at the fiber paste entrance (13) on oil-filled chamber (6).
6. optical fiber secondary coating according to claim 5 is from centering type coating unit, which is characterized in that described to lead fine pipe
(3) it is 15-25mm that the steel pipe (11) in, which protrudes into the length in mold core (2),.
7. optical fiber secondary coating according to claim 6 is from centering type coating unit, which is characterized in that lead fibre for connecting
Pipe (3) and the fastening bolt (4) of oil-filled chamber (6) are limited with circlip (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820707802.XU CN208654371U (en) | 2018-05-11 | 2018-05-11 | A kind of optical fiber secondary coating is from centering type coating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820707802.XU CN208654371U (en) | 2018-05-11 | 2018-05-11 | A kind of optical fiber secondary coating is from centering type coating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208654371U true CN208654371U (en) | 2019-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820707802.XU Active CN208654371U (en) | 2018-05-11 | 2018-05-11 | A kind of optical fiber secondary coating is from centering type coating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208654371U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333702A (en) * | 2018-05-11 | 2018-07-27 | 长飞光纤光缆兰州有限公司 | A kind of optical fiber secondary coating is from centering type coating unit |
| CN111016234A (en) * | 2019-12-28 | 2020-04-17 | 江苏亨通光电股份有限公司 | Preparation process of flexible PP oil-filled loose sleeve and flexible PP bending-resistant semi-dry optical cable |
| CN111413772A (en) * | 2020-04-29 | 2020-07-14 | 成都亨通光通信有限公司 | EPFU optical fiber unit resin filling device and method |
-
2018
- 2018-05-11 CN CN201820707802.XU patent/CN208654371U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108333702A (en) * | 2018-05-11 | 2018-07-27 | 长飞光纤光缆兰州有限公司 | A kind of optical fiber secondary coating is from centering type coating unit |
| CN111016234A (en) * | 2019-12-28 | 2020-04-17 | 江苏亨通光电股份有限公司 | Preparation process of flexible PP oil-filled loose sleeve and flexible PP bending-resistant semi-dry optical cable |
| CN111413772A (en) * | 2020-04-29 | 2020-07-14 | 成都亨通光通信有限公司 | EPFU optical fiber unit resin filling device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240430 Address after: No. 2 Chejian Road, Jiuli Town, Emeishan City, Leshan City, Sichuan Province, 614200 Patentee after: Sichuan Lefei Photoelectric Technology Co.,Ltd. Country or region after: China Address before: 730314 No. 556 Shulehe Street, Lanzhou New District, Lanzhou City, Gansu Province Patentee before: ZHANGFEI FIBER OPTIC CABLE LANZHOU CO.,LTD. Country or region before: China |
|
| TR01 | Transfer of patent right |