CN105347664B - A kind of preform production method based on 3D printing technique - Google Patents
A kind of preform production method based on 3D printing technique Download PDFInfo
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- CN105347664B CN105347664B CN201510932952.1A CN201510932952A CN105347664B CN 105347664 B CN105347664 B CN 105347664B CN 201510932952 A CN201510932952 A CN 201510932952A CN 105347664 B CN105347664 B CN 105347664B
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- printing
- preform
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/0128—Manufacture of preforms for drawing fibres or filaments starting from pulverulent glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
Abstract
The preform production method based on 3D printing technique that the present invention provides a kind of, including 3D printing equipment, 3D printing equipment includes the feed pipe of injection nozzle mechanism and more transfer printing materials, feed component is provided on feed pipe, feed component connects speed regulation device, intelligent heating element is also set up on feed pipe, material chamber is equipped with below multiple feed pipes, expect to be equipped with injection nozzle mechanism below chamber, injection nozzle mechanism connecting extruder structure, feed pipe transmission fiber prefabricated rods different type raw material, the temperature of intelligent heating element is adjusted according to the fusing point or phase transition temperature of raw material, structure of the invention principle is simple, it is easy to operate, compared with traditional technology, it is safe and non-toxic, environmental protection, maintenance cost is low, the higher customization preform of freedom degree can be produced, and welding is eliminated in subsequent fiber optic applications Loss and coupling loss.
Description
Technical field:
The present invention relates to technical field of optical fiber more particularly to a kind of preform production sides based on 3D printing technique
Method.
Background technique:
Optical fiber is widely used in optical fiber communication, optical fiber laser, Fibre Optical Sensor, laser surgey, imaging at present
In and spectroscopy etc. technology.Only in 2012, the whole world is about 2.79 hundred million core kilometers for the demand of optical fiber and optical cable, for
Up to 9200 tons of demand of corresponding preform, are mainly distributed on the Asian-Pacific area.Although the demand to preform can
It sees, as the demand for customizing preform is more and more, requirement diversified for preform is also in growth.So
And the preform manufactured using conventional method is uniform in axially distribution, and is annulus in cross-sectional direction
Shape-although capillary stem tuber superimposing technique can allow preform to realize special annular air hole in cross section.Because
Particular/special requirement is distributed with to cross-sectional structure or axial heteropical material in novel optical fiber, this results in setting for novel optical fiber
Meter can not be realized in the fabrication process, and can not also provide novel optical fiber impayable function in various different applications.
Existing method includes but are not limited to extrude processing, rod-in-tube technique technology, double crucible, floating process, Phasil work
Skill capillary or rodlike method of piling, modified chemical vapor deposition process (MCVD) (MCVD), outside chemical vapor deposition method (OVD) are axial
Vapour deposition process (VAD), Plasma Enhanced Chemical Vapor Deposition (PECVD) (PCVD), plasma pulse chemistry vapor deposition (PICVD), wait from
Daughter enhances chemical vapors deposition (PECVD) and plasma outside deposition (POD) however, manufacturing using these technologies
Prefabricated rods can face various problems, the pollution including impurity and bubble is multiple to the low tolerance of internal structural complexity
Miscellaneous process contains toxic gas, in the axial direction can not refractive index or structure make a change the problems such as equal.
Different types of optical fiber has been used in many optical fiber telecommunications systems and fiber ring laser system, in different phase,
Therefore it needs to carry out welding to two distinct types of optical fiber or be attached using connector.Different types of optical fiber it
Between carry out welding and will lead to the splice loss, splice attenuation of about 0.05dB；And it is lost and but will be up to caused by the optical fiber connected by connector
These losses of 0.3dB. can make the degradation of system, and limit transmission range.
Summary of the invention:
To solve the above-mentioned problems, the present invention provides a kind of structural principles to be simple and convenient to operate, with traditional technology phase
Than safe and non-toxic, environmentally friendly, maintenance cost is low, it is possible to produce the higher customization preform of freedom degree, and subsequent
The technical solution of splice loss, splice attenuation and coupling loss is eliminated in fiber optic applications:
A kind of preform production method based on 3D printing technique, including 3D printing equipment, 3D printing equipment includes
The feed pipe of injection nozzle mechanism and more transfer printing materials is provided with feed component, feed component connection on feed pipe
Speed regulation device also sets up intelligent heating element on feed pipe, and material chamber is equipped with below multiple feed pipes, injection spray is equipped with below material chamber
Nozzle mechanism, injection nozzle mechanism connecting extruder structure, feed pipe transmission fiber prefabricated rods different type raw material.
Preferably, injection nozzle mechanism includes spray nozzle device and PLC controller, spray nozzle device includes shell and nozzle,
It is equipped with guide sleeve, push rod and positioning push-off device, push rod in shell to be arranged in guide sleeve, dress is released in the connection positioning of push rod lower end
It sets, positioning push-off device connects PLC controller, and push rod upper end connects nozzle, and nozzle chamber two sides are equipped with wear-resisting core pipe, abrasion-proof core
Pipe upper end is fixedly connected with locking ring.
Preferably, the cross section for the preform that extrusion mechanism squeezes out is round or non-circular arbitrary structures,
The cross section of preform constitutes the fine structure of non-circular ring type, mainly include air layer and silicon dioxide layer, air layer and
Silicon dioxide layer is staggered, and distance is Λ between two neighboring air layer central point, then spacing between two neighboring air layer
For 0.02 Λ, spacing is 0.12 Λ between silicon dioxide layer intermediate point and air layer.
Preferably, optical fiber whispering gallery resonator is arranged in extrusion mechanism.
Preferably, preform production method the following steps are included:
A, it is the preform modeling for needing to print, the threedimensional model built up is divided into two-dimensional surface, and section is believed
Breath is stored in the program of 3D printing equipment；
B, the orientation distance of PLC controller setting positioning push-off device；
C, start 3D printing equipment, speed regulation device drives feed component, the printing former material being fed into feed pipe from outside
Material, and continuously constantly transmitted；
D, for intelligent heating element to printing material continuous heating, the heat of generation penetrates the tube wall of feed pipe, is transmitted to institute
On the printing raw material of process；
E, printing material is constantly heated during lasting movement, until softening completely, the printing former material after softening
Material enters material chamber；
F, expect that intracavitary dynamic semifluid printing raw material will be extruded, flowed out from discharge port, into nozzle；
G, positioning push-off device drives push rod to move downward in guide sleeve, drives nozzle movement to the value to setting, most
Required preform is printed by extrusion mechanism afterwards.
The beneficial effects of the present invention are:
(1) structure of the invention principle is simple and convenient to operate, compared with traditional technology, it is possible to produce freedom degree is higher
Customize preform.
(2) present invention use optical fiber whispering gallery resonator, can simultaneously in three dimensions change optical fiber refractive index and
Structure can be produced disposably and is made of multiple portions and preform that every fractional index is different with structural profile,
And do not need to use welding or connector, splice loss, splice attenuation and coupling loss are eliminated in subsequent fiber optic applications.
(3) present invention is safe and non-toxic, environmentally friendly, maintenance cost is low, is suitable for the mass production of optical fiber.
Detailed description of the invention:
Fig. 1 is 3D printing device structure schematic diagram of the invention；
Fig. 2 is injection nozzle mechanism structure figure of the invention；
Fig. 3 is a kind of structure chart of optical fiber of the invention；
Fig. 4 is a kind of anti-resonance vibration optical fiber structure figure of the invention；
Fig. 5 is another anti-resonance vibration optical fiber structure figure of the invention；
Fig. 6 is optical fiber whispering gallery resonator refractive index profile of the invention.
Specific embodiment:
To keep goal of the invention of the invention, technical solution and advantage clearer, below in conjunction with attached drawing to of the invention
Embodiment is described in further detail.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of preform production method based on 3D printing technique, including 3D printing are set
Standby, the 3D printing equipment includes the feed pipe 2 of injection nozzle mechanism 1 and more transfer printing materials, on the feed pipe 2
It is provided with feed component 3, the feed component 3 connects speed regulation device 4, also sets up intelligent heating element 5 on the feed pipe 2,
It is equipped with material chamber 6 below multiple feed pipes 2, injection nozzle mechanism 1 is equipped with below the material chamber 6, the injection nozzle mechanism 1 connects
Extrusion mechanism 7, the 2 transmission fiber prefabricated rods different type raw material of feed pipe.
Injection nozzle mechanism 1 of the invention includes spray nozzle device and PLC controller 11, and spray nozzle device includes shell 12 and spray
Mouth 13, interior guide sleeve 14, push rod 15 and positioning push-off device 16, the push rod 15 of being equipped with of shell 12 are arranged in guide sleeve 14, push rod
15 lower ends connection positioning push-off device 16, positioning push-off device 16 connect PLC controller 11, and 15 upper end of push rod connects nozzle 13,
13 inner cavity two sides of nozzle are equipped with wear-resisting core pipe 17, and wear-resisting 17 upper end of core pipe is fixedly connected with locking ring 18.
The cross section for the preform that extrusion mechanism 7 squeezes out is round or non-circular arbitrary structures, in optical fiber prefabricating
The cross section of stick constitutes the fine structure of non-circular ring type, mainly includes air layer 8 and silicon dioxide layer 9, air layer 8 and titanium dioxide
Silicon layer 9 is staggered, and distance is Λ between two neighboring 8 central point of air layer, then spacing is between two neighboring air layer 8
0.02 Λ, spacing is 0.12 Λ between 9 intermediate point of silicon dioxide layer and air layer.Compared with traditional technology, it is possible to produce from
By spending higher customization preform.
The width for the photon crystal optical fiber preformed rod centre rib that extrusion mechanism 7 of the present invention squeezes out can be arbitrarily small, and air
Volume ratio can very greatly, optical fiber structure as shown in Figure 4, Figure 5, including silicon dioxide layer 9 and air layer 8, extra small air body
The silicon dioxide layer 9 of product ratio can greatly inhibit the transmission loss of anti-resonance vibration hollow optic fibre, because most of light is worked as in air
Middle transmission by any material without being absorbed.
In addition, optical fiber whispering gallery resonator 10 is arranged in the extrusion mechanism 7, as shown in fig. 6, can be simultaneously at three
Change the refractive index and structure of optical fiber in dimension, refractive index and structure change in the axial direction can be introduced into optical fiber.This
It can be realized many kinds of fiber designs that cannot achieve by other means, it can be following in fiber optic applications by eliminating
Welding and junction loss are to improve the current performance that fiber plant can be achieved.
In the present embodiment, preform production method the following steps are included:
A, it is the preform modeling for needing to print, the threedimensional model built up is divided into two
Section is tieed up, and cross section information is stored in the program of 3D printing equipment；
B, the orientation distance of the setting of PLC controller 11 positioning push-off device 16；
C, start 3D printing equipment, speed regulation device 4 drives feed component 3, and it is former to be fed into the printing in feed pipe 2 from outside
Material, and continuously constantly transmitted；The speed for feeding printing raw material to feed component 3 is adjusted, and controls
The feed speed of material is printed in different feeds pipe 2；
D, 5 pairs of printing material continuous heatings of intelligent heating element, the heat of generation penetrate the tube wall of feed pipe 2, are transmitted to
On the printing raw material passed through；
E, printing material is constantly heated during lasting movement, until softening completely, the printing former material after softening
Material enters material chamber 6；
F, expect that the semifluid printing raw material moved in chamber 6 will be extruded, flowed out from discharge port, into nozzle 1；
G, positioning push-off device 16 drives push rod 15 to move downward in guide sleeve 14, and nozzle 13 is driven to move to setting
Value, print required preform finally by extrusion mechanism 7.
In the present embodiment, raw material include silica, fluoride, fluorine phosphorus compound, bismuth meal, chalkogenide, lead silicate,
Tellurite, the substances such as sodium zinc lanthanum tellurate glass.For the preform of soft glass or polymer, raw material include fluorine
Compound, fluorine phosphorus compound, bismuth meal, chalkogenide, lead silicate, tellurite, the substances such as sodium zinc lanthanum tellurate glass, relative to two
For silica (fusing point>1600 DEG C), the fusing point of these raw material is relatively low (<500 DEG C).Based on this characteristic, various 3D are beaten
Print technology can be used.Include but are not limited to Fused Deposition Modeling, digital light processing, stereolithography, selectivity height
Temperature sintering and selective laser sintering etc. technology.
According to the specific physical of different raw material, the optimal selection of 3D printing technique be would also vary from.These objects
Reason characteristic includes fusing point, boiling point, the curing rate of photosensitive polymer, setting rate, surface tension, viscosity, plastic and glass
Phase transition temperature, heat distortion temperature of photosensitive polymer etc..For example, fusion sediment system can be used in extrusioning thermoplastic plastic
It makes, because thermoplastic material can be subjected to state change after heating.Digital light processing and stereolithography are used for photosensitive
Polymer, because photosensitive polymer, which is exposed in ultraviolet or visible light, can change physics and chemical characteristic.Digital light processing and vertical
Body lithographic printing is used for granular thermoplastic, because there are physics holding power between thermoplastic particle, and it is hot
They can be printed complicated and fine internal structure by quick print head or laser beam.
For the preform of silica glass, raw material are the at a temperature of silica that melts at 1600-1725 DEG C, are had
When can mix some GeO2, Al2O3, fluorine, B2O3 or rare earth ion etc. substance.It is compared with silica and metal, these
The fusing point of raw material is relatively low.In situation dystectic in this way, Selective Laser Sintering is more suitable.For being mixed with
The silica glass of different ions, there are also differences for printing process, to comprehensively consider their phase transition temperature, viscosity, table
The absorbing state etc. of face tension, setting rate and laser scanning.The power and movement speed of laser scanning are also required to carry out
Corresponding adjustment.If refractive index in the axial direction needs to change, this can be by conveying titanium dioxide customized in feed pipe 2
Si powder and be easily reached.Because powder is conveying in layer into extrusion mechanism 7, and every layer of thickness is in micron amount
The change of grade, refractive index can be very steady.
The beneficial effects of the present invention are: structure of the invention principle is simple and convenient to operate, can be with compared with traditional technology
Produce the higher customization preform of freedom degree；It, can be simultaneously in three dimensions using optical fiber whispering gallery resonator
The refractive index and structure for changing optical fiber can be produced disposably and be made of multiple portions and every fractional index and structural profile
Different preforms, and do not need to use welding or connector, splice loss, splice attenuation and coupling are eliminated in subsequent fiber optic applications
Loss is closed to improve the performance of current achievable fiber plant；The present invention is safe and non-toxic, environmentally friendly, maintenance cost is low, is suitable for light
Fine mass production.
Above-described embodiment is presently preferred embodiments of the present invention, is not a limitation on the technical scheme of the present invention, as long as
Without the technical solution that creative work can be realized on the basis of the above embodiments, it is regarded as falling into the invention patent
Rights protection scope in.
Claims (4)
1. a kind of preform 3D printing equipment based on 3D printing technique, the 3D printing equipment includes injection nozzle mechanism
And the feed pipe of more transfer printing materials, feed component, the feed component connection speed regulation are provided on the feed pipe
Device also sets up intelligent heating element on the feed pipe, and material chamber is equipped with below multiple feed pipes, is equipped with note below the material chamber
Entering nozzle mechanism, optical fiber whispering gallery resonator is arranged in the injection nozzle mechanism connecting extruder structure in the extrusion mechanism,
The feed pipe transmission fiber prefabricated rods different type raw material.
2. a kind of preform 3D printing equipment based on 3D printing technique according to claim 1, it is characterised in that:
The injection nozzle mechanism includes spray nozzle device and PLC controller, and the spray nozzle device includes shell and nozzle, is equipped in shell
Guide sleeve, push rod and positioning push-off device, the push rod are arranged in the guide sleeve, and the push rod upper end connection positioning is released
Device, the positioning push-off device connect PLC controller, and the push rod lower end connects nozzle, and the nozzle chamber two sides are equipped with
Wear-resisting core pipe, wear-resisting core pipe upper end are fixedly connected with locking ring.
3. a kind of preform 3D printing equipment based on 3D printing technique according to claim 1, it is characterised in that:
The cross section for the preform that the extrusion mechanism squeezes out is round or non-circular arbitrary structures, in the cross of preform
The fine structure of the non-circular ring type of section constitution includes mainly air layer and silicon dioxide layer, and air layer and silicon dioxide layer are interlocked
It is arranged, distance is Λ between two neighboring air layer central point, then spacing is 0.02 Λ, titanium dioxide between two neighboring air layer
Spacing is 0.12 Λ between silicon layer intermediate point and air layer.
4. a kind of preform production method using any one of claims 1 to 3 equipment, it is characterised in that: including
Following steps:
A, it is the preform modeling for needing to print, the threedimensional model built up is divided into two-dimensional surface, and cross section information is deposited
It is stored in the program of 3D printing equipment；
B, the orientation distance of PLC controller setting positioning push-off device；
C, starting 3D printing equipment, speed regulation device drives feed component, the printing raw material in feed pipe are fed into from outside, and
Continuously constantly transmitted；
D, for intelligent heating element to printing material continuous heating, the heat of generation penetrates the tube wall of feed pipe, is transmitted to and is passed through
Printing raw material on；
E, printing material is constantly heated during lasting movement, until softening completely, printing raw material after softening into
Pan feeding chamber；
F, expect that intracavitary dynamic semifluid printing raw material will be extruded, flowed out from discharge port, into nozzle；
G, positioning push-off device drives push rod to move downward in guide sleeve, the value of drive nozzle movement to setting, finally by
Extrusion mechanism prints required preform.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510932952.1A CN105347664B (en) | 2015-12-15 | 2015-12-15 | A kind of preform production method based on 3D printing technique |
| PCT/CN2016/071502 WO2017101194A1 (en) | 2015-12-15 | 2016-01-20 | Method for manufacturing optical fiber preform based on 3d printing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510932952.1A CN105347664B (en) | 2015-12-15 | 2015-12-15 | A kind of preform production method based on 3D printing technique |
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| CN105347664A CN105347664A (en) | 2016-02-24 |
| CN105347664B true CN105347664B (en) | 2019-03-01 |
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| CN106277742A (en) * | 2016-08-05 | 2017-01-04 | 西北工业大学明德学院 | A kind of preform manufacture method based on 3D printing technique |
| WO2020187831A1 (en) * | 2019-03-21 | 2020-09-24 | Signify Holding B.V. | An adjustable light source holder, a directable spotlight and a manufacture method thereof |
| CN113880420A (en) * | 2021-10-12 | 2022-01-04 | 桂林电子科技大学 | Preparation method of large-size multi-core optical fiber preform based on 3D printing adaptive sleeve |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692652A (en) * | 2013-12-18 | 2014-04-02 | 青岛尚慧信息技术有限公司 | 3D (three-dimensional) printing equipment |
| CN104355531A (en) * | 2014-10-29 | 2015-02-18 | 上海大学 | 3D (3-Dimensional) printing doped fiber preform rod preparation system |
| CN105082537A (en) * | 2015-07-30 | 2015-11-25 | 天津三一防伪科技股份有限公司 | 3D printing method and 3D printer |
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| DE102008026161B4 (en) * | 2008-05-30 | 2014-03-20 | Daimler Ag | Method for producing a fiber composite component |
| ES2700454T5 (en) * | 2009-04-28 | 2022-02-28 | Bae Systems Plc | Manufacturing method by adding successive layers |
| CA2915662C (en) * | 2013-07-11 | 2022-04-26 | Tundra Composites, LLC | Surface modified particulate and sintered or injection molded products |
| CN203419844U (en) * | 2013-08-15 | 2014-02-05 | 蚌埠玻璃工业设计研究院 | Glass high-temperature molten melt formation shower nozzle based on 3D printing technology |
| CN203779868U (en) * | 2014-02-26 | 2014-08-20 | 珠海天威飞马打印耗材有限公司 | Three-dimensional printer |
| CN104552944B (en) * | 2014-12-19 | 2017-03-01 | 机械科学研究总院先进制造技术研究中心 | A kind of 3D printing dispensing extrusion device that can achieve online alloying |
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- 2015-12-15 CN CN201510932952.1A patent/CN105347664B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692652A (en) * | 2013-12-18 | 2014-04-02 | 青岛尚慧信息技术有限公司 | 3D (three-dimensional) printing equipment |
| CN104355531A (en) * | 2014-10-29 | 2015-02-18 | 上海大学 | 3D (3-Dimensional) printing doped fiber preform rod preparation system |
| CN105082537A (en) * | 2015-07-30 | 2015-11-25 | 天津三一防伪科技股份有限公司 | 3D printing method and 3D printer |
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| WO2017101194A1 (en) | 2017-06-22 |
| CN105347664A (en) | 2016-02-24 |
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