CN109143503A - A kind of secondary coating glue injection machine - Google Patents
A kind of secondary coating glue injection machine Download PDFInfo
- Publication number
- CN109143503A CN109143503A CN201810997589.5A CN201810997589A CN109143503A CN 109143503 A CN109143503 A CN 109143503A CN 201810997589 A CN201810997589 A CN 201810997589A CN 109143503 A CN109143503 A CN 109143503A
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- China
- Prior art keywords
- fiber paste
- current divider
- cavity
- glue injection
- injection machine
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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
- G02B6/4483—Injection or filling devices
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
The invention discloses a kind of secondary coating glue injection machines, including current divider, fiber paste cavity, guide wire and half conduit, the inner cavity of current divider and fiber paste cavity is socketed, the side wall of fiber paste cavity is equipped with fiber paste inlet, the output end of fiber paste cavity and one end of guiding tube connect, and the other end of guiding tube is connect with half conduit；Current divider is taper, and centre bore is equipped in current divider, and the periphery of current divider is equipped with a plurality of runner, and the output end of a plurality of runner is circumferentially symmetrically distributed in the output end of current divider, and fiber paste inlet is connected to a plurality of runner.It realizes that shunting fiber paste automatically corrects optical fiber alignment, so that optical fiber in coating procedure is improved the stability of optical fiber unwrapping wire without spin with shake, have self-regulation height, it is convenient to operate, and maintenance period is short, improves a utilization rate of coating fiber paste.
Description
Technical field
The present invention relates to fiber optic cable manufacture process equipment technical fields, and in particular to a kind of secondary coating glue injection machine.
Background technique
In optical fiber secondary coating technique, the coating link of optical fiber is the most complicated and crucial.It is more commonly used copper at present
Syringe needle has the features such as filling principle is simple, and stuffing pressure is big.But with speed of production, fiber paste consumption and optical fiber unwrapping wire it is steady
In the case that qualitative requirement is higher and higher, traditional syringe needle filling effect has been unsatisfactory for production requirement and quality guarantor at this stage
Card.
Summary of the invention
The technical problem to be solved by the present invention is in view of the foregoing defects the prior art has, provide a kind of secondary set
Glue injection machine is moulded, realizes that shunting fiber paste automatically corrects optical fiber alignment, optical fiber in coating procedure is made to improve optical fiber without spin with shake and put
The stability of line has self-regulation height, and it is convenient to operate, and maintenance period is short, improves a utilization rate of coating fiber paste.
Used technical solution is the present invention to solve above-mentioned technical problem:
A kind of secondary coating glue injection machine, including current divider, fiber paste cavity, guide wire and half conduit, current divider and fiber paste chamber
The inner cavity of body is socketed, and the side wall of fiber paste cavity is equipped with fiber paste inlet, and the output end of fiber paste cavity and one end of guiding tube connect
It connects, the other end of guiding tube is connect with half conduit；Current divider is taper, is equipped with centre bore in current divider, the periphery of current divider is set
There is a plurality of runner, the output end of a plurality of runner is circumferentially symmetrically distributed in the output end of current divider, fiber paste inlet and a plurality of runner
Connection.
According to above-mentioned technical proposal, the input terminal of a plurality of runner converges to form total runner, and total runner and fiber paste inlet connect
It is logical.
According to above-mentioned technical proposal, total runner periphery in spiral distribution in current divider.
According to above-mentioned technical proposal, the input terminal of fiber paste cavity inner cavity is taper, the male cone (strobilus masculinus) and fiber paste cavity of current divider
Inner conical surface cooperation.
According to above-mentioned technical proposal, chamfering is equipped at the twist-on of guide wire.
According to above-mentioned technical proposal, guide wire extends to mold core half extension position, and half conduit stretches out outside mold core outlet port
1mm。
According to above-mentioned technical proposal, the centre bore and guide wire arranged concentric of current divider.
According to above-mentioned technical proposal, fiber paste cavity is connect by screw thread with guide wire.
According to above-mentioned technical proposal, the output end of fiber paste cavity is connected with extemal plate, sets between extemal plate and fiber paste cavity
There is clearance space, extemal plate is equipped with butt hole, and butt hole is connect by screw thread with guide wire, the chamber exit hole of fiber paste cavity
Diameter be greater than butt hole diameter.
According to above-mentioned technical proposal, the centre bore of current divider, the outlet opening of fiber paste cavity, the butt hole of extemal plate and guiding
Pipe is sequentially distributed on same axis.
The invention has the following advantages:
Optical fiber is put from the centre bore of current divider, the inner cavity of fiber paste cavity, guiding tube and half conduit during secondary coating
Line shuttles, and fiber paste can steadily be exported due to injection pressure is uniformly distributed during each runner, secondary coating by each item
The fiber paste injection pressure output that symmetrical runner is uniform is held, realizes that shunting fiber paste automatically corrects optical fiber alignment, makes coated
Optical fiber improves the stability of optical fiber unwrapping wire without spin with shake in journey, reduces and manages outer fiber breakage rate, improves the primary benefit of coating fiber paste
With rate, it is particularly suitable for high speed secondary coating production line；It is convenient for the cleaning of pipe inner wall by the setting of half conduit, can both reduces
Optical fiber enters the path contacts before next link Loose tube, and can directly observe the concentricity of fiber optic bundle, thus investigate head with
The concentricity of rest part guarantees the cleannes and optical fiber coating consistency of thickness of inner wall, ensure that in stable condition when discharging, has
Effect avoid extruded stock backflow carbonization caused by casing imperfection.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of secondary coating glue injection machine in the embodiment of the present invention；
Fig. 2 is the fractionation schematic diagram of secondary coating glue injection machine in the embodiment of the present invention；
Fig. 3 is the path cross-sectional view that coated fiber enters secondary coating glue injection machine in the embodiment of the present invention；
Fig. 4 is that fiber paste is in current divider in the embodiment of the present invention and fiber paste chamber is intracorporal flows to schematic diagram；
In figure, 1- current divider, 2- fiber paste cavity, 3- screw thread, 4- guide wire, half conduit of 5-, 6- optical fiber, 7- mold core, 8- fibre
Cream inlet, 9- extemal plate.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and examples.
Shown in referring to Fig.1~Fig. 4, secondary coating glue injection machine in one embodiment provided by the invention, including current divider
1, the inner cavity of fiber paste cavity 2, guide wire 4 and half conduit 5, current divider 1 and fiber paste cavity 2 is socketed, and is set on the side wall of fiber paste cavity 2
There is fiber paste inlet 8, the output end of fiber paste cavity 2 and one end of guiding tube connect, and the other end of guiding tube and half conduit 5 connect
It connects；Current divider 1 is taper, and centre bore is equipped in current divider 1, and the periphery of current divider 1 is equipped with a plurality of runner, the output of a plurality of runner
The circumferential output end for being symmetrically distributed in current divider 1 in end, fiber paste inlet 8 are connected to a plurality of runner；Optical fiber 6 during secondary coating
Unwrapping wire shuttles from the centre bore of current divider 1, the inner cavity of fiber paste cavity 2, guiding tube and half conduit 5, and fiber paste is equal because of injection pressure
Even distribution and steadily in each runner, can be injected by the uniform fiber paste of the symmetrical runner of each item during secondary coating
Pressure output realizes that shunting fiber paste automatically corrects 6 centering of optical fiber, and optical fiber 6 in coating procedure is made to improve optical fiber without spin with shake
The stability of 6 unwrapping wire reduces and manages outer fiber breakage rate, improves a utilization rate of coating fiber paste, is particularly suitable for high speed secondary coating
Production line；It is convenient for the cleaning of pipe inner wall by the setting of half conduit 5, before can both having reduced the next link Loose tube of the entrance of optical fiber 6
Path contacts, and the concentricity of 6 beam of optical fiber can be directly observed, so that the concentricity of head and rest part is investigated, in guarantee
The 6 coating thickness consistency of cleannes and optical fiber of wall, ensure that in stable condition when discharging, and extruded stock carbonization of backflowing effectively is avoided to make
At casing imperfection.
Further, the input terminal of a plurality of runner converges to form total runner, and total runner is connected to fiber paste inlet 8.
Further, total runner periphery in spiral distribution in current divider 1.
Further, the input terminal of 2 inner cavity of fiber paste cavity is taper, the male cone (strobilus masculinus) of current divider 1 and the inner cone of fiber paste cavity 2
Face cooperation.
Further, chamfering is equipped at the twist-on of guide wire 4；Chamfering is convenient for clamping, easy to loading and unloading, convenient for borrowing power, operation
It is easy.
Further, guide wire 4 extends to 7 half extension position of mold core, and half conduit 5 stretches out 1mm outside 7 outlet port of mold core.
Further, guide wire 4 is full circumferences, and half conduit 5 is the lower semisection of full circumferences, and the arc of half conduit 5 is long
Degree is 1/3 complete circle perimeter.
Further, the centre bore of current divider 1 and 4 arranged concentric of guide wire；That is the center of circle of centre bore is arranged in guide wire
Axis on.
Further, fiber paste cavity 2 is connect by screw thread with guide wire 4.
Further, the output end of fiber paste cavity is connected with extemal plate 9, and interval is equipped between extemal plate 9 and fiber paste cavity
Space, extemal plate 9 are equipped with butt hole, and butt hole is connect by screw thread with guide wire, the chamber exit hole of fiber paste cavity it is straight
Diameter is greater than the diameter of butt hole；Optical fiber is from the inner cavity that the centre bore of current divider enters fiber paste cavity, in the inner cavity of fiber paste cavity
Full of fiber paste, since the chamber exit bore dia of fiber paste cavity is relatively large, fiber paste is sufficient to be coated on optical fiber fullly, is entered
When the butt hole and guide wire of buttcover plate 9, since docking bore dia is relatively small, butt hole scrapes fiber paste extra on optical fiber
Fall, the extra fiber paste being scraped is flowed out from clearance space.
Further, the centre bore of current divider, the outlet opening of fiber paste cavity, the butt hole of extemal plate 9 and guide wire be successively
It is distributed on same axis.
The working principle of the invention:
Present invention aims at above-mentioned technical problem, the advantages of comprehensive status and traditional technology, propose a kind of novel
Secondary coating glue injection machine and its filling mode, it has, and self-regulation is high, operation is convenient, maintenance period is short, fiber paste once utilizes
The features such as rate is high；
Diversion design is taken on the path of glue injection machine fiber paste cavity 2, protrudes into the guide wire 4 and 6 beam of optical fiber of cross-head
Contact area reaches minimum but effectively guiding optical cable 6 can enter Loose tube；Glue injection machine fiber paste cavity 2 is 1 device of current divider,
Fiber paste steadily converges at herein because injection pressure is uniformly distributed at the 10mm of cavity front end；
Further, glue injection machine guide wire 4 and 2 fitting part of fiber paste cavity have chamfering to borrow power, easy to operate；
Further, fiber paste cavity 2 and guide wire 4 are an integral unit, and each component of glue injection machine, which uses, to be threadedly coupled,
Relative position in three-dimensional is constant.
Further, it is directly anchored to current divider 1 when use on head, has fully ensured that optical fiber 6 and Loose tube
Concentricity；
Glue injection machine mainly includes fiber paste cavity 2 and guide wire 4 and half conduit, 5 two parts, and two parts are an integral unit
And connected using screw thread 3, guarantee that the relative position in three-dimensional is constant.In use, the current divider 1 in glue injection machine and cross-head
Connection rather than head connect, and inside cavity is seamless insertion current divider 1, fiber paste pressure is evenly distributed to current divider 1 in cavity
360 ° of directions, make optical fiber 6 coat when automatically calibrating concentricity and without spin and shake；Guide wire 4 extends to 7 half length of mold core
Position, in addition, half conduit 5 is 1/3 circumference of intact catheter, 1mm outside extended 7 outlet port of mold core of length.
Above is only presently preferred embodiments of the present invention, and of course, the scope of rights of the present invention cannot be limited by this,
Therefore according to equivalence changes made by scope of the present invention patent, still belong to protection scope of the present invention.
Claims (10)
1. a kind of secondary coating glue injection machine, which is characterized in that including current divider, fiber paste cavity, guide wire and half conduit, current divider
It is socketed with the inner cavity of fiber paste cavity, the side wall of fiber paste cavity is equipped with fiber paste inlet, the output end and guiding tube of fiber paste cavity
One end connection, the other end of guiding tube connect with half conduit；Current divider is taper, is equipped with centre bore, current divider in current divider
Periphery be equipped with a plurality of runner, the output end of a plurality of runner is circumferentially symmetrically distributed in the output end of current divider, fiber paste inlet with
A plurality of runner connection.
2. secondary coating glue injection machine according to claim 1, which is characterized in that the input terminal of a plurality of runner converges to be formed always
Runner, total runner are connected to fiber paste inlet.
3. secondary coating glue injection machine according to claim 2, which is characterized in that total runner is in spiral distribution in current divider
Periphery.
4. secondary coating glue injection machine according to claim 1, which is characterized in that the input terminal of fiber paste cavity inner cavity is cone
Shape, the male cone (strobilus masculinus) of current divider and the inner conical surface of fiber paste cavity cooperate.
5. secondary coating glue injection machine according to claim 1, which is characterized in that be equipped with chamfering at the twist-on of guide wire.
6. secondary coating glue injection machine according to claim 1, which is characterized in that the outer end of guide wire stretches to mould when work
Core half extension position, half conduit stretch out 1~2mm outside mold core outlet port.
7. secondary coating glue injection machine according to claim 1, which is characterized in that the centre bore of current divider and guide wire are concentric
Arrangement.
8. secondary coating glue injection machine according to claim 1, which is characterized in that fiber paste cavity is connected by screw thread and guide wire
It connects.
9. secondary coating glue injection machine according to claim 1, which is characterized in that the output end of fiber paste cavity is connected with external
Plate is equipped with clearance space between extemal plate and fiber paste cavity, extemal plate is equipped with butt hole, and butt hole is connect with guide wire, fine
The diameter in the chamber exit hole of cream cavity is greater than the diameter of butt hole.
10. secondary coating glue injection machine according to claim 9, which is characterized in that the centre bore of current divider, fiber paste cavity
Outlet opening, the butt hole of extemal plate and guide wire are sequentially distributed on same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810997589.5A CN109143503B (en) | 2018-08-29 | 2018-08-29 | Secondary plastic-coating glue injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810997589.5A CN109143503B (en) | 2018-08-29 | 2018-08-29 | Secondary plastic-coating glue injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109143503A true CN109143503A (en) | 2019-01-04 |
| CN109143503B CN109143503B (en) | 2020-08-04 |
Family
ID=64829210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810997589.5A Active CN109143503B (en) | 2018-08-29 | 2018-08-29 | Secondary plastic-coating glue injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109143503B (en) |
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| CN2536383Y (en) * | 2002-05-13 | 2003-02-19 | 白德山 | Injection mould for polyvinyl pipes with superhigh molecular weight by shunt off in core |
| JP2005022335A (en) * | 2003-07-04 | 2005-01-27 | Sumitomo Electric Ind Ltd | Rotary cross-head and method for producing slot rod for optical cable |
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| Publication number | Publication date |
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| CN109143503B (en) | 2020-08-04 |
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