CN111413772A - EPFU optical fiber unit resin filling device and method - Google Patents
EPFU optical fiber unit resin filling device and method Download PDFInfo
- Publication number
- CN111413772A CN111413772A CN202010357459.2A CN202010357459A CN111413772A CN 111413772 A CN111413772 A CN 111413772A CN 202010357459 A CN202010357459 A CN 202010357459A CN 111413772 A CN111413772 A CN 111413772A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- distribution plate
- resin
- epfu
- fiber distribution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- G02B6/4483—Injection or filling devices
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a resin filling device for an EPFU optical fiber unit, which relates to the technical field of optical fiber unit production and solves the technical problem that the production cost is increased by adopting a flat optical fiber ribbon when the number of optical fiber cores exceeds 2, and the resin filling device for the EPFU optical fiber unit comprises an air nozzle (1), an overflow nozzle (5), a resin injection connector (6), a positioning pin (8), a resin cavity (9), a first fiber distribution plate (10), a second fiber distribution plate (11), a third fiber distribution plate (12), an inlet die (13), an outlet die (14) and a base (16). The invention can be used for producing circular optical fiber units with more than 2 optical fiber cores. The invention ensures the concentricity of the cavity outlet and the die and provides favorable guarantee for the optical fiber bundle to be positioned in the center of the optical unit.
Description
Technical Field
The invention relates to the technical field of optical fiber unit production, in particular to an EPFU optical fiber unit resin filling device and a filling method.
Background
With the popularization of optical cables laid in an air blowing manner, the optical cables are developing towards miniaturization trend, and higher requirements are made on the fiber density of the optical cables. For the indoor optical cable, the optical cable cannot be widely applied to the inside of buildings or the scenes between buildings due to the limitation of the number of optical fiber cores, and an optical cable with small structure, light weight and high fiber density is needed due to the shortage of laying pipeline resources or the size limitation of the inner diameter of the pipeline.
However, if the number of the optical cable cores exceeds 2, most optical cable structures in a loose sleeve form are adopted, and if tight sleeves (such as butterfly-shaped optical cables) are adopted, the optical cable is flat in appearance and large in structural size and can only be used in special scenes, and in the optical unit structure with the same number of cores, compared with a circular optical fiber ribbon, the area of the flat optical fiber ribbon surface is larger, and the production cost is higher.
Disclosure of Invention
The invention aims to provide a resin filling device for an EPFU optical fiber unit, which ensures the stripping property of the optical fiber unit by arranging a resin cavity with round holes on the periphery in a base, and arranges a first fiber distribution plate and a second fiber distribution plate at two ends of the resin cavity, positions the fiber distribution plates and the resin cavity by adopting 4 positioning pins, ensures the concentricity of the fiber distribution plates and the resin cavity, provides a production device for a round optical fiber ribbon, and solves the technical problem of overhigh production cost due to overlarge outer diameter of a finished optical cable. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention adopts the following technical scheme:
a resin filling device for an EPFU optical fiber unit comprises a base, a resin cavity, a first fiber distribution plate, a second fiber distribution plate and a third fiber distribution plate, wherein an inlet die holder and an outlet die holder are respectively arranged at two ends of the base; wherein:
optionally or preferably, the base further comprises an upper plate mounted with a plurality of air nozzles;
optionally or preferably, the upper plate is further provided with an overflow nozzle and a resin injection joint with an injection piece arranged inside;
alternatively or preferably, the injection member is secured within the resin injection fitting by a fastening nut;
alternatively or preferably, the resin cavity is mounted below the resin injection fitting;
optionally or preferably, the first fiber distribution plate and the second fiber distribution plate are respectively installed at two ends of the resin cavity;
optionally or preferably, a plurality of positioning pins are further arranged among the first fiber distribution plate, the second fiber distribution plate and the third fiber distribution plate;
optionally or preferably, an inlet die and an outlet die are respectively arranged in the inlet die holder and the outlet die holder;
optionally or preferably, the inlet die and the outlet die are fixed in the inlet die holder and the outlet die holder through nuts;
optionally or preferably, a plurality of round holes are further formed around the resin cavity;
optionally or preferably, a plurality of core holes are formed in the centers of the first fiber distribution plate, the second fiber distribution plate and the third fiber distribution plate.
Optionally or preferably, the number of core holes on the first fiber distribution plate, the second fiber distribution plate and the third fiber distribution plate is 2-12, and the diameter of the core hole is 0.2-0.3 mm.
Optionally or preferably, the diameter of the round hole on the periphery of the resin cavity is 0.5-2 mm.
Alternatively or preferably, the inlet die and the outlet die are both made of alloy steel.
Alternatively or preferably, the number of the positioning pins is 4.
Optionally or preferably, the number of the air nozzles is 2.
Based on the technical scheme, the following technical effects can be generated:
the EPFU optical fiber unit resin filling device provided by the embodiment of the invention can be used for producing a circular optical fiber unit when the number of optical cores exceeds 2. According to the EPFU optical fiber unit resin filling device, the resin cavity with the round holes arranged on the periphery is arranged in the base, so that the stripping performance of the optical fiber unit is ensured, the first fiber distribution plate and the second fiber distribution plate are arranged at two ends of the resin cavity, the first fiber distribution plate and the second fiber distribution plate are positioned by adopting 4 positioning pins, the concentricity of the first fiber distribution plate and the resin cavity is ensured, the production device for the round optical fiber ribbon is provided, and the technical problem that the production cost is too high due to too large outer diameter of a finished optical cable is solved. The resin filling device for the EPFU optical fiber unit can produce the optical fiber unit with uniform outer diameter and good transmission performance, saves optical cable materials and reduces production cost.
The invention also provides a resin filling method of the EPFU optical fiber unit, which comprises the steps of filling the resin filling device of the EPFU optical fiber unit, and vacuumizing and negative pressure is carried out on the inner cavity of the base by using the air nozzle, so that no air bubble is contained in the optical fiber unit, and the transmission performance of the optical fiber is guaranteed.
Optionally or preferably, the range of the negative pressure of the air tap during vacuum pumping is-0.01 to-0.1 MPa.
The resin filling method for the EPFU optical fiber unit can produce the optical fiber unit with uniform outer diameter and good transmission performance. The EPFU optical fiber unit resin filling method saves optical cable materials, reduces production cost, and solves the technical problem of high production cost caused by overlarge outer diameter of a finished optical cable due to the production of the flat optical fiber ribbon caused by the overlarge number of optical cores.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view (internal) of the present invention;
FIG. 2 is a schematic structural view (external) of the present invention;
in the figure: 1. an air tap; 2. a nut; 3. fastening a nut; 4. an injection member; 5. an overflow spout; 6. a resin injection fitting; 7. an upper plate; 8. positioning pins; 9. a resin cavity; 10. a first distributing board; 11. a second distributing plate; 12. a third distributing board; 13. an inlet die; 14. an outlet die; 15. an outlet die holder; 16. a base; 17. and (4) an inlet die holder. .
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.
As shown in fig. 1-2:
the invention provides a resin filling device for an EPFU optical fiber unit, which comprises a base 16, a resin cavity 9, a first fiber distribution plate 10, a second fiber distribution plate 11 and a third fiber distribution plate 12, wherein the two ends of the base 16 are respectively provided with an inlet die holder 17 and an outlet die holder 15; wherein:
the base 16 further comprises an upper plate 7 on which a plurality of air nozzles 1 are mounted;
the upper plate 7 is also provided with an overflow nozzle 5 and a resin injection joint 6 in which an injection piece 4 is arranged;
the injection member 4 is fixed in the resin injection joint 6 by a fastening nut 3;
the resin cavity 9 is arranged below the resin injection joint 6;
the first fiber distribution plate 10 and the second fiber distribution plate 11 are respectively arranged at two ends of the resin cavity 9;
a plurality of positioning pins 8 are further arranged among the first fiber distribution plate 10, the second fiber distribution plate 11 and the third fiber distribution plate 12;
an inlet die 13 and an outlet die 14 are respectively arranged in the inlet die holder 17 and the outlet die holder 15;
the inlet die 13 and the outlet die 14 are both fixed in an inlet die holder 17 and an outlet die holder 15 through nuts 2;
a plurality of round holes are formed around the resin cavity 9;
and a plurality of core holes are formed in the centers of the first fiber distribution plate 10, the second fiber distribution plate 11 and the third fiber distribution plate 12.
As an optional embodiment, the number of core holes on the first fiber distribution plate 10, the second fiber distribution plate 11 and the third fiber distribution plate 12 is 2-12, and the diameter of the core hole is 0.2-0.3 mm.
In an optional embodiment, the diameter of the round hole around the resin cavity 9 is 0.5-2 mm.
As an alternative embodiment, the inlet die 13 and the outlet die 14 are made of alloy steel.
As an optional implementation mode, the number of the positioning pins 8 is 4, so that the concentricity of the fiber distribution plate and the resin cavity is guaranteed.
As an optional implementation manner, the number of the air nozzles 1 is 2, and two air nozzles 1 are used for performing vacuum pumping and negative pressure, so that no bubbles are generated in the optical fiber unit, and the transmission performance of the optical fiber is guaranteed.
As an alternative embodiment, excess resin may be spilled through the overflow spout 5 during fill coating.
The invention also provides a resin filling method of the EPFU optical fiber unit. The resin filling device for the EPFU optical fiber unit is used for filling, and in addition, the inner cavity of the base 16 is vacuumized and negatively pressurized by the air nozzle 1, so that no air bubble in the optical fiber unit is ensured, and the transmission performance of the optical fiber is ensured.
As an alternative embodiment, the range of the vacuum-pumping negative pressure of the air nozzle 1 is-0.01 to-0.1 MPa
The working process of the EPFU optical fiber unit resin filling device is as follows: optical fiber enters the inner cavity of the base 16 through the inlet die 13, the two air nozzles 1 vacuumize the inner cavity of the base in real time, the optical fiber reaches the third fiber distribution plate 12, the optical fiber enters the resin cavity 9 through the second fiber distribution plate 11 through the core hole in the third fiber distribution plate 12, resin is injected through the injection part 4, resin coating and filling are carried out, and the filled and coated optical fiber ribbon reaches the outlet die 14 through the first fiber distribution plate 10.
Claims (8)
1. An EPFU optical fiber unit resin filling device, characterized in that: including base (16) that both ends were equipped with import die holder (17) and export die holder (15) respectively and install resin cavity (9) inside base (16), divide fine board one (10), divide fine board two (11) and divide fine board three (12), wherein:
the base (16) also comprises an upper plate (7) provided with a plurality of air nozzles (1);
the upper plate (7) is also provided with an overflow nozzle (5) and a resin injection joint (6) with an injection piece (4) arranged inside;
the injection piece (4) is fixed in the resin injection joint (6) through a fastening nut (3);
the resin cavity (9) is arranged below the resin injection joint (6);
the first fiber distribution plate (10) and the second fiber distribution plate (11) are respectively arranged at two ends of the resin cavity (9);
a plurality of positioning pins (8) are also arranged among the first fiber distribution plate (10), the second fiber distribution plate (11) and the third fiber distribution plate (12);
an inlet die (13) and an outlet die (14) are respectively arranged in the inlet die holder (17) and the outlet die holder (15);
the inlet die (13) and the outlet die (14) are fixed in the inlet die holder (17) and the outlet die holder (15) through nuts (2);
a plurality of round holes are formed around the resin cavity (9);
a plurality of core holes are formed in the centers of the first fiber distribution plate (10), the second fiber distribution plate (11) and the third fiber distribution plate (12).
2. An EPFU optical fiber unit resin filling apparatus according to claim 1, wherein: the number of core holes in the first fiber distribution plate (10), the second fiber distribution plate (11) and the third fiber distribution plate (12) is 2-12, and the diameter of each core hole is 0.2-0.3 mm.
3. An EPFU optical fiber unit resin filling apparatus according to claim 2, wherein: the diameter of round holes on the periphery of the resin cavity (9) is 0.5-2 mm.
4. An EPFU optical fiber unit resin filling apparatus according to claim 3, wherein: the inlet die (13) and the outlet die (14) are both made of alloy steel.
5. An EPFU optical fiber unit resin filling apparatus according to claim 4, wherein: the number of the positioning pins (8) is 4.
6. An EPFU optical fiber unit resin filling apparatus according to claim 5, wherein: the number of the air nozzles (1) is 2.
7. A method for filling resin into an EPFU optical fiber unit is characterized in that: the EPFU optical fiber unit resin filling device comprises the steps of filling by using the EPFU optical fiber unit resin filling device according to any one of claims 1 to 6, and vacuumizing and negative pressure is performed on the inner cavity of the base (16) by using the air nozzle (1), so that no air bubbles exist in the optical fiber unit, and the transmission performance of the optical fiber is guaranteed.
8. A resin filling method of an EPFU optical fiber unit according to claim 7, wherein; the range of the vacuum pumping negative pressure of the air nozzle (1) is-0.01 to-0.1 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010357459.2A CN111413772A (en) | 2020-04-29 | 2020-04-29 | EPFU optical fiber unit resin filling device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010357459.2A CN111413772A (en) | 2020-04-29 | 2020-04-29 | EPFU optical fiber unit resin filling device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111413772A true CN111413772A (en) | 2020-07-14 |
Family
ID=71492203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010357459.2A Pending CN111413772A (en) | 2020-04-29 | 2020-04-29 | EPFU optical fiber unit resin filling device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111413772A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203674A (en) * | 1995-12-05 | 1998-12-30 | 康宁股份有限公司 | Method of making fiber optical couplers |
| CN102323650A (en) * | 2011-09-14 | 2012-01-18 | 烽火通信科技股份有限公司 | Jelly mold used for manufacturing optical fiber bundle |
| CN106772864A (en) * | 2017-01-13 | 2017-05-31 | 烽火通信科技股份有限公司 | A kind of the ointment fill method and ointment coating die of the production of UV curing optical fibers beam |
| CN106959494A (en) * | 2017-03-29 | 2017-07-18 | 通鼎互联信息股份有限公司 | A kind of contactless gel filling device of high speed secondary coating |
| CN107577020A (en) * | 2017-10-27 | 2018-01-12 | 江苏法尔胜光通有限公司 | Strengthen miniature air-blowing fiber unit and manufacture method |
| CN107775858A (en) * | 2016-08-26 | 2018-03-09 | 汕头高新区奥星光通信设备有限公司 | Fiber unit production mould |
| CN108594381A (en) * | 2018-06-01 | 2018-09-28 | 江苏亨通海洋光网系统有限公司 | A kind of coating infiltration apparatus for Guidance optical cable |
| CN208654371U (en) * | 2018-05-11 | 2019-03-26 | 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 |
| CN211786272U (en) * | 2020-04-29 | 2020-10-27 | 成都亨通光通信有限公司 | EPFU optical fiber unit resin filling device |
-
2020
- 2020-04-29 CN CN202010357459.2A patent/CN111413772A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1203674A (en) * | 1995-12-05 | 1998-12-30 | 康宁股份有限公司 | Method of making fiber optical couplers |
| CN102323650A (en) * | 2011-09-14 | 2012-01-18 | 烽火通信科技股份有限公司 | Jelly mold used for manufacturing optical fiber bundle |
| CN107775858A (en) * | 2016-08-26 | 2018-03-09 | 汕头高新区奥星光通信设备有限公司 | Fiber unit production mould |
| CN106772864A (en) * | 2017-01-13 | 2017-05-31 | 烽火通信科技股份有限公司 | A kind of the ointment fill method and ointment coating die of the production of UV curing optical fibers beam |
| CN106959494A (en) * | 2017-03-29 | 2017-07-18 | 通鼎互联信息股份有限公司 | A kind of contactless gel filling device of high speed secondary coating |
| CN107577020A (en) * | 2017-10-27 | 2018-01-12 | 江苏法尔胜光通有限公司 | Strengthen miniature air-blowing fiber unit and manufacture method |
| CN208654371U (en) * | 2018-05-11 | 2019-03-26 | 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 |
| CN108594381A (en) * | 2018-06-01 | 2018-09-28 | 江苏亨通海洋光网系统有限公司 | A kind of coating infiltration apparatus for Guidance optical cable |
| CN211786272U (en) * | 2020-04-29 | 2020-10-27 | 成都亨通光通信有限公司 | EPFU optical fiber unit resin filling device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102902024B (en) | Method for realizing optical coupling of multi-core fiber and photoelectron chip array | |
| CN102323650B (en) | Jelly mold used for manufacturing optical fiber bundle | |
| WO2022262124A1 (en) | Micro-cable, manufacturing method therefor, and filling device | |
| CN102346286A (en) | Manufacturing method of full-dry optical cable loose tube | |
| CN211786272U (en) | EPFU optical fiber unit resin filling device | |
| CN111413772A (en) | EPFU optical fiber unit resin filling device and method | |
| CN110888211B (en) | Optical fiber bundling die, device and process | |
| CN212411689U (en) | Glue injecting device for water-blocking glue filling | |
| CN204680451U (en) | Pneumaticly be blown into formula optical fiber composite intelligent energy power cable | |
| CN111952016A (en) | Cage winch cable that blocks water fills oil device | |
| CN108181691A (en) | A kind of armored optical cable and preparation method thereof | |
| CN101546012A (en) | UV fiber bundle and manufacturing method thereof | |
| CN102101349B (en) | Injection molding device and method for optical fiber connector | |
| CN104810106A (en) | Pneumatic blowing-in optical fiber composite smart energy power cable and production method thereof | |
| CN218068376U (en) | Multi-core optical fiber unit resin filling device | |
| CN102635263B (en) | Connection construction member capable of regulating tightness and manufacturing and assembling method thereof | |
| CN210139603U (en) | Optical cable production is with colored mould of three-core | |
| CN201348665Y (en) | Double-loose-bushing micro-optical cable | |
| CN204966080U (en) | Compound cable | |
| CN210296042U (en) | Oil filling device for water-proof cable | |
| CN206728290U (en) | Signal shielding structure and microphone | |
| CN216212501U (en) | Economical CAT5E network cable of tight flame-retardant thin-thickness sheath | |
| CN212874167U (en) | Cage winch cable that blocks water fills oil device | |
| CN220438602U (en) | Production line for manufacturing optical cable assembly | |
| CN217181904U (en) | Bunching machine pay-off rack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |