CN106746593A - A kind of spin fiber preparation method and equipment - Google Patents
A kind of spin fiber preparation method and equipment Download PDFInfo
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- CN106746593A CN106746593A CN201611122647.7A CN201611122647A CN106746593A CN 106746593 A CN106746593 A CN 106746593A CN 201611122647 A CN201611122647 A CN 201611122647A CN 106746593 A CN106746593 A CN 106746593A
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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
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
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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
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/025—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor from reheated softened tubes, rods, fibres or filaments, e.g. drawing fibres from preforms
- C03B37/029—Furnaces therefor
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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
- C03B37/02—Manufacture of glass fibres or filaments by drawing or extruding, e.g. direct drawing of molten glass from nozzles; Cooling fins therefor
- C03B37/03—Drawing means, e.g. drawing drums ; Traction or tensioning devices
- C03B37/032—Drawing means, e.g. drawing drums ; Traction or tensioning devices for glass optical fibres
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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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)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
The invention discloses the preparation method and equipment of a kind of spin fiber.Preform is clamped in the Ka Bang mechanisms of wire-drawer-tower, by the hot-zone of feed mechanism moving fiber prefabricated rods to heating furnace, preform is heated to form optical fiber after molten condition, cooling is continuously available when optical fiber draws downwards, revolving property is fixed.Optical fiber is by coating unit and is solidified, finally by draw-gear is with speed V2 continuous tractions and is collected on take-up, when fibre diameter reaches requirement numerical value and tends towards stability, Ka Bang mechanisms are rotated with angular speed V1, main haulage gear is rotated with angular speed V3, and meeting V2/ (V1+V3)=μ, μ is the pitch of the spin fiber for preparing.In the inventive method, prefabricated rods and draw-gear reversely rotate wire drawing and prepare spin fiber simultaneously, and the preparation method than reheating fusion drawn after finished product optical fiber ablation coating and rotate is more simple and reliable.
Description
Technical field
The invention belongs to optical fiber cable technical field, more particularly, to the preparation method and Preparation equipment of spin fiber.
Background technology
In recent years, spin fiber is paid attention to the extensive use of optical fiber current mutual inductor by optical fiber production producer.
The operation principle of optical fiber current mutual inductor is the Faraday magnetooptical effect for generally using.When a branch of linearly polarized light is by being placed in magnetic field
In magneto-optic memory technique when, the plane of polarization of linearly polarized light will linearly as the size in the magnetic field parallel to radiation direction is revolved
Turn.By the anglec of rotation for measuring linearly polarized photon plane of polarization around current－carrying conductor, so that it may measure the electricity in conductor indirectly
Flow valuve.
Common optical fiber current mutual inductor is formed by low linear birefringent fiber around ring, wherein the polarised light for transmitting easily is received
To preparation defect (for example, fibre core ovalization, asymmetry stress etc.) and extraneous factor（For example, temperature, bending, vibrations etc.）Deng
Influence, cause the test result degree of accuracy and reliability not high.Spin fiber of the invention, the principle of preparation is in conventional polarization-maintaining light
On the basis of fibre, rotated by axis and introduce circular brief-ringence, ellipse birefringence is collectively forming with optical fiber linear birefrigence in itself,
Circular polarization state is when rotary speed is high and keeps optical fiber.Circular polarization state keeps optical fiber（That is spin fiber）With relatively low limitation
Loss, so as to the test result degree of accuracy and the reliability of the Application in Sensing such as current transformer can be improved.Kept using circular polarization state
The optical fiber current mutual inductor of optical fiber fabrication, is compensated by remote temperature, and precision can be reached within positive and negative 4/10000ths.
Patent of the preparation method of traditional low birefringent fiber in Publication No. 1472153《Low polarisation mode dispersion single-mode optics
Optical fiber prepared by fine manufacture method and the method》Middle proposition, i.e., in drawing process back and forth rubbing optical fiber come realize rotation, this
The method of kind is not suitable for the optical fiber that single direction of rotation at the uniform velocity rotates, and the method is mainly the polarizing coating dispersion for reducing optical fiber, and
It is not production spin fiber.Patent of the preparation method of spin fiber in Publication No. 103359929A《The manufacture of twisted fiber
Method》Middle proposition, twisted fiber is generated using preform bar stretching into large core fiber and then again reheating rotation, and the method is needed
The coat of large core fiber is peeled off and then wire drawing is reversed again, this method is more complicated, be not suitable for being made in commodity production
Make circular polarization and keep optical fiber, and second wire drawing of the method uses horizontal wire drawing, under gravity can be to the geometric form of optical fiber
Shape and structure are impacted.The Chinese patent of Patent No. 102503116《Silk is received in a kind of manufacture method of spin fiber and rotation
Device》Middle to propose to prepare spin fiber using the method for take-up disc spins, the method control difficulty is big, it is difficult to keep the steady of string diameter
It is fixed.
The content of the invention
In view of the shortcomings of the prior art, the technical problems to be solved by the invention are to provide a kind of simple possible, control hardly possible
The preparation method and equipment of the low spin fiber of degree.
The preparation method of spin fiber of the invention, the preparation equipment of the spin fiber for using, including wire-drawer-tower and installation
Vertical drive device at the top of wire-drawer-tower, the vertical drive device connection horizontal feed mechanism, the horizontal feed mechanism
On whirligig is installed, the Ka Bang mechanisms for grip optical fiber prefabricated rods, the card are fixedly connected below the whirligig
Rod mechanism is followed successively by downwards heating furnace, the first wire diameter measuring instrument, coating unit, solidification equipment, second fixed by wire-drawer-tower
Wire diameter measuring instrument, draw-gear and take-up.
The preparation method of the spin fiber that the present invention is provided, comprises the following steps：
1）To treat that the preform of wire drawing is clamped in Ka Bang mechanisms vertically, by vertical drive device and horizontal feed mechanism
Moving fiber prefabricated rods, make the tapering of preform move to the hot-zone of heating furnace；
2）Preform is heated to form optical fiber after molten condition, cooling is continuously available when optical fiber draws downwards, optical fiber leads to
Cross coating unit and be evenly coated with coating, then by solidification equipment paint solidification, after continued with speed V2 by draw-gear
Traction, is collected on take-up；String diameter is controlled by controlling prefabricated rods feed speed and hauling speed in constant scope；
3）When fibre diameter reaches requirement numerical value and tends towards stability, Ka Bang mechanisms are rotated with angular speed V1, and draw-gear is with angle
Speed V3 rotates, and rightabout rotates simultaneously for Ka Bang mechanisms and draw-gear, or only one of which mechanism is another in rotation status
An outer mechanism does not rotate, and meets V2/ (V1+V3)=μ, and μ is the pitch of the spin fiber for preparing.
The pitch of preferable spin fiber is 2 ~ 10mm.
By above-mentioned technical proposal, the prefabricated rods of used rotation wire drawing are minor diameter prefabricated rods, diameter 15~50mm it
Between；The diameter of prefabricated rods tail end 2mm more than bigger than the diameter of prefabricated rods, can effectively prevent prefabricated rods from sliding；Prefabricated rods are stuck up
Curvature wants below 0.2mm, to ensure that jerk value is in allowed limits during rotation wire drawing.
By above-mentioned technical proposal, vertical drive device drives prefabricated rods feed mechanism, and its actuating speed is straight according to prefabricated rods
The parameter real-time control such as footpath, fibre diameter and drawing speed, drawing speed scope is in 5m~20m/min, prefabricated rods feed mechanism
Minimum speed reach 0.2mm/min.
By above-mentioned technical proposal, at 1600-1800 DEG C, heating furnace fire door arrives hot-zone to the heating furnace heating and temperature control
Length is within 20mm, and heating furnace is interior by inert gas shielding.
The vertical drive device of prefabricated rods is located at the top layer of tower body, drives Ka Bang mechanisms to feed at a slow speed downwards；Ka Bang mechanisms band
There is thermal insulation board；Described heating furnace be located at prefabricated rods horizontal feed mechanism bottom, the distance about 20cm of its hot-zone to fire door, plus
Hot furnace zone measurement of furnace temperature function；Fire door sets centring hole, coordinates the collimation of prefabricated rods.
First wire diameter measuring instrument is placed on heating furnace Xia Kou closer location, beneficial to the rapid feedback of optical fiber string diameter；First
Cable diameter gauge upper band is used for heat-insulated graphite heat insulation loop and cooling-water duct；Coating unit is applied coating by inside and outside coating twice
Overlay on above optical fiber, ectonexine coating is integrated in a coating unit, and coating die internal diameter is bigger than the internal diameter of conventional wire drawing；
Solidification equipment is arranged on below coating unit, band exhausting and smoke discharging pipe.
Second wire diameter measuring instrument is placed on the lower section of solidification equipment；Described take-up is placed on draw-gear lower end.
By above-mentioned technical proposal, prepare optical fiber during spin fiber it is disconnected fine when, prefabricated rods are stopped the rotation immediately, traction rotation
Rotary device stops the rotation.
The present invention also provides a kind of preparation equipment of spin fiber, including wire-drawer-tower and vertical at the top of wire-drawer-tower
Drive device, the vertical drive device connection horizontal feed mechanism, is provided with whirligig, institute in the horizontal feed mechanism
The Ka Bang mechanisms being fixedly connected below whirligig for grip optical fiber prefabricated rods are stated, the Ka Bang mechanisms are followed successively by pass through downwards
Wire-drawer-tower fix heating furnace, the first wire diameter measuring instrument, coating unit, solidification equipment, the second wire diameter measuring instrument, draw-gear and
Take-up.
Wire drawing 5~6m of tower height degree, distributing installation screwed hole on tower body, equipment is arranged on tower body from top to bottom successively.
Ka Bang mechanisms are made up of scroll chuck, flange shaft, rotary drive mechanism and XY adjustment mechanisms.Prefabricated rods are clamped in essence
In the claw of close scroll chuck, scroll chuck is arranged on hollow flange axle, and flange shaft is distributed three inside adjustment bolt essences
The up rightness of close adjustment prefabricated rods；Flange shaft is driven using a servomotor, flange shaft when preparing spin fiber
Rotating speed is in the range of 600~700r/min；Rotating mechanism where flange shaft is arranged on an XY adjustment mechanism, can be online
Centering of the real-time adjustment prefabricated rods in fire door.
The heating furnace is graphite resistor furnace or resistance furnace.Fire door sets centring hole.
The solidification equipment is ultra-violet curing lamp box.
By above-mentioned technical proposal, draw-gear uses the reductor of speed reducing ratio high, traction wheel to rotate the optical fiber that a circle is affected
Length is 0.5m, fiber pulling apparatus belt tension measurement function.
By above-mentioned technical proposal, draw-gear is by motor, transmission mechanism, installation panel, tension adjusting device, wheel group
Constituted with carbon brush.
By above-mentioned technical proposal, take-up is made up of wire-arranging mechanism and winding mechanism.
What the present invention was obtained has the beneficial effect that：
1st, by prefabricated rods and draw-gear, opposite direction rotates the present invention simultaneously, can prepare the spin fiber of more low pitch, greatly
Reduce production difficulty greatly.Such as drawing speed is 6m/min, and prefabricated rods rotary speed is 600 turns/min, haulage gear rotation
Rotary speed is 600 turns/min, then can reach the pitch of 5mm, if continuing to reduce drawing speed, improves prefabricated rods and main traction
The rotary speed of mechanism, pitch will be shorter, and the effect of prepared sensor will more preferably.Prefabricated rods rotary speed of the invention
Up to 1000 turns/min, main haulage gear rotary speed is 4000 turns/min, converts into rotary speed higher than prior art.
2nd, present invention one-shot forming during prefabricated stick drawn wire is then coated with into spin fiber, than finished product optical fiber ablation
The preparation method for reheating fusion drawn after coating and rotating is more simple and reliable.And the present invention uses vertical direction wire drawing,
All of wire-drawing equipment is vertically mounted on wire-drawer-tower, and secondary wire drawing is carried out according to heating fused optic fiber, and wire-drawing direction is
Horizontal direction, can impact to the geometry of optical fiber and structure under gravity.
3rd, main traction rotation mode of the invention, can either by main traction control wire drawing when optical fiber string diameter, also can be accurate
Center position is in true holding fiber draw process, the attachment of auxiliary material when not influenceing to coat, the shake very little of optical fiber is reduced
The generation of the accident such as tower is disconnected.If directly silk device is received in rotation, control difficulty is very big, it is difficult to keep the stabilization of string diameter, substantially
It is difficult to the continuous production of optical fiber.
4th, present device simple structure, device integration is high, stable, and disposal molding is spin fiber, improves
The production efficiency of spin fiber.
Brief description of the drawings
Fig. 1 is the Preparation equipment schematic diagram of spin fiber of the invention.
Fig. 2 is the structural representation of draw-gear of the invention and take-up.
In figure:The vertical drive devices of 1-, 2- feed mechanisms, 3- whirligigs, 4- Ka Bang mechanisms, 5- prefabricated rods, 6- heating
Stove, the wire diameter measuring instruments of 7- first, 8- coating units, 9- solidification equipments, the wire diameter measuring instruments of 10- second, 11- draw-gears, 12- is received
Line apparatus, 13- receives silk bucket, and 14- reductors, 15- motors, 16- transmission mechanisms, 17- rotary shafts, 18- installs panel, 19-
Tension adjusting device, 20- wheel groups, 21- carbon brush, 22- winding mechanisms, 23- wire-arranging mechanisms.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the Preparation equipment of spin fiber of the invention.It includes rotation wire drawing, vertical drive device 1, feed mechanism
2nd, whirligig 3, Ka Bang mechanisms 4, heating furnace 6, the first wire diameter measuring instrument 7, coating unit 8, solidification equipment 9, the second string diameter are surveyed
Amount instrument 10, draw-gear 11, take-up 12.Wire-drawer-tower tower body height 5~6m, distributing installation screwed hole on tower body, equipment according to
It is secondary to be arranged on tower body from top to bottom；Vertical drive device 2 is located at the top layer of tower body, be rotated device 3 and Ka Bang mechanisms 4 to
Under feed at a slow speed；Ka Bang mechanisms 4 carry thermal insulation board；Heating furnace 6 is located at the bottom of prefabricated rods feed mechanism 2, its hot-zone to fire door
Distance about 20cm, heating furnace 6 is with measurement of furnace temperature function；Fire door sets centring hole, coordinates the collimation of prefabricated rods；
First wire diameter measuring instrument 7 is placed on the Xia Kou closer location of heating furnace 6, beneficial to the rapid feedback of string diameter；First string diameter is measured
The upper band of instrument 7 is used for heat-insulated graphite heat insulation loop and cooling-water duct；Be coated in for coating by inside and outside coating twice by coating unit 8
Above optical fiber, ectonexine coating is integrated in a coating unit, and coating die internal diameter is bigger than the internal diameter of conventional wire drawing；Solidification
Device 9 is arranged on below coating unit, band exhausting and smoke discharging pipe；Second wire diameter measuring instrument 10 is placed under solidification equipment
Side；
Draw-gear 11, to realize low-speed stable wire drawing of the drawing speed in 5m/min, is drawn using the reductor of speed reducing ratio high
It is 0.5m that wheel rotates one and encloses the fiber lengths for affecting.Draw-gear belt tension measures function, to detect the tension force of wire drawing.
As shown in Fig. 2 draw-gear 11 is by motor 15, reductor 14, transmission mechanism 16, rotary shaft 17, mounting surface
Plate 18, tension adjusting device 19, wheel group 20 and carbon brush 21 are constituted.Motor 15 is a kind of servomotor, and reductor 14 slows down
The driving force increase for exporting afterwards, transmission mechanism 16 is synchronization belt transmission system or gear train assembly, and rotary shaft 17 is hollow
Axle, the fiber axis centre bore of production is passed through, and is installed panel 18 and is fixed on the mounting flange of rotary shaft 17.Tension adjusting device 19
It is the mechanism containing dancing wheel, when production, optical fiber is wound on dancing wheel, swinging up and down for dancing wheel adjusts drawing speed
Fluctuation, have adjusted the tension force of light.Wheel group 20 is made up of some large aperture guide wheels, plays a part of to adjust the direction of optical fiber.Carbon
Brush 21 is arranged on draw-gear and installs on the mounting flange of panel 18, by carbon brush 21, motor power-supply wire draw-gear 11,
Control signal wire is connected on external control cabinet, and under the connection function of carbon brush, whole draw-gear will not go out in rotary course
Existing coiling.
Take-up 12 is placed on the lower end of draw-gear 11, and take-up is by wire-arranging mechanism 23, winding mechanism 22 and receives silk
Bucket 13 is constituted.The motor and leading screw of wire-arranging mechanism 23 are arranged on tower body, and motor drives leading screw to rotate winding mechanism can be gone up
Lower back and forth movement, so as to realize winding displacement when optical fiber is collected.The drive mechanism that winding mechanism 22 is made up of motor and speed reducer
Wire drawing tube rotation is driven, optical fiber is endlessly collected on wire drawing tube 13.
The method that spin fiber is prepared using the equipment of Fig. 1.Specific implementation process is as follows：
Treat that the prefabricated rods 5 of wire drawing are pre-processed first, wherein prefabricated rods are minor diameter prefabricated rods, diameter 15~50mm it
Between；The diameter 2mm more than bigger than the diameter of prefabricated rods of the target rod tail end of prefabricated rods, can effectively prevent prefabricated rods from sliding；It is prefabricated
The angularity of rod will be in below 0.2mm, to ensure that jerk value is in allowed limits during rotation wire drawing.
Then will treat that the preform 5 of the minor diameter of wire drawing is clamped in the Ka Bang mechanisms 4 of spin fiber wire-drawer-tower vertically
Scroll chuck on, Ka Bang mechanisms are made up of scroll chuck, flange shaft, rotary drive mechanism and XY adjustment mechanisms, scroll chuck
On hollow flange axle, flange shaft is distributed three up rightness of the accurate adjustment prefabricated rods of inside adjustment bolt；Flange shaft
It is driven using a servomotor, the rotating speed of flange shaft when preparing spin fiber is in the range of 600~700r/min；
Rotating mechanism where flange shaft is arranged on an XY adjustment mechanism, can online real-time adjustment prefabricated rods in fire door in
Property.The wherein direction of rotation of Ka Bang mechanisms for clockwise or counter-clockwise, the rotation of the direction of rotation of haulage gear with Ka Bang mechanisms
Turn in opposite direction, to obtain lower pitch.When the spin fiber of common pitch is produced, it is also possible to allow at a rotating mechanism
In rotation status, another mechanism does not rotate.
Then by the moving fiber prefabricated rods of feed mechanism 2 of wire-drawer-tower, make preform treats that wire drawing tapering is moved
To the hot-zone of heating furnace 6；Top layer drive device drives prefabricated rods feed mechanism, and its actuating speed is according to preform diameter, optical fiber
The parameter such as diameter and drawing speed is controlled by master control system real-time closed-loop, drawing speed scope in 10m~15m/min, in advance
The minimum speed of rod feed mechanism processed reaches 0.2mm/min.
Form optical fiber after preform is heated into molten condition in heating furnace, heating furnace be graphite resistor furnace or
Person's resistance furnace, heating and temperature control at 1600-1800 DEG C, the length of heating furnace fire door to hot-zone within 20mm, in heating furnace
By inert gas shielding.
Cooling is continuously available when the optical fiber of molten condition draws downwards, revolving property is fixed.Optical fiber is by coating
The equably coating of device 8, then by solidification equipment 9 paint solidification.There is a string diameter to survey before optical fiber coating and after coating
Amount instrument, the real-time string diameter for measuring optical fiber controls string diameter to exist by controlling prefabricated rods feed speed and main traction rotary speed
In constant scope；
When fibre diameter reaches requirement numerical value and tends towards stability, Ka Bang mechanisms 4 are rotated with speed V1, and haulage gear 11 is with speed
V3 rotates, and the rotation of optical fiber is passed up to melt region, and meets V2/ (V1+V3)=μ, and μ is the rotation of the spin fiber for preparing
The turn-week phase, preferable swing circle is at least every to turn 5mm.
It is finally collected on take-up 12 with speed V2 continuous tractions by draw-gear 11 afterwards；When preparing spin fiber
If the disconnected fibre of optical fiber, prefabricated rods are stopped the rotation immediately, traction whirligig stops the rotation.Vertical drive device, draw-gear and rotation
Rotary device is combined into a closed-loop system, the real-time letter of the interface collection rotation wire drawing of master control system by master control system
Breath, and the various technological parameters for passing through Interface Control wire drawing.
Claims (10)
1. a kind of preparation method of spin fiber, it is characterised in that comprise the following steps：
1）To treat that the preform of wire drawing is clamped in Ka Bang mechanisms vertically, by vertical drive device and horizontal feed mechanism
Moving fiber prefabricated rods, make the tapering of preform move to the hot-zone of heating furnace；
2）Preform is heated to form optical fiber after molten condition, cooling is continuously available when optical fiber draws downwards, optical fiber leads to
Cross coating unit and be evenly coated with coating, then by solidification equipment paint solidification, after continued with speed V2 by draw-gear
Traction, is collected on take-up；String diameter is controlled by controlling prefabricated rods feed speed and hauling speed in constant scope；
3）When fibre diameter reaches requirement numerical value and tends towards stability, Ka Bang mechanisms are rotated with angular speed V1, and draw-gear is with angle
Speed V3 rotates, and rightabout rotates simultaneously for Ka Bang mechanisms and draw-gear, or only one of which mechanism is another in rotation status
An outer mechanism does not rotate, and meets V2/ (V1+V3)=μ, and μ is the pitch of the spin fiber for preparing.
2. preparation method according to claim 1, it is characterised in that the pitch of spin fiber is in 2 ~ 10mm.
3. the preparation method of spin fiber according to claim 1, it is characterised in that preform diameter 15~50mm it
Between.
4. the preparation method of spin fiber according to claim 1, it is characterised in that drawing speed scope is in 5m~20m/
min。
5. the preparation method of spin fiber according to claim 1, it is characterised in that the heating furnace heating and temperature control
At 1600-1800 DEG C, by inert gas shielding in heating furnace.
6. the preparation method of spin fiber according to claim 1, it is characterised in that described heating furnace band measurement of furnace temperature
Function, fire door sets centring hole.
7. the preparation of a kind of spin fiber is equipped, it is characterised in that vertical including wire-drawer-tower and at the top of wire-drawer-tower
Drive device, the vertical drive device connection horizontal feed mechanism, is provided with whirligig, institute in the horizontal feed mechanism
The Ka Bang mechanisms being fixedly connected below whirligig for grip optical fiber prefabricated rods are stated, the Ka Bang mechanisms are followed successively by pass through downwards
Wire-drawer-tower fix heating furnace, the first wire diameter measuring instrument, coating unit, solidification equipment, the second wire diameter measuring instrument, draw-gear and
Take-up.
8. the preparation of spin fiber according to claim 7 is equipped, it is characterised in that the solidification equipment is ultra-violet curing
Lamp box.
9. the preparation of spin fiber according to claim 7 is equipped, it is characterised in that the first wire diameter measuring instrument is provided with use
In heat-insulated graphite heat insulation loop and cooling-water duct；Solidification equipment is provided with exhausting and smoke discharging pipe.
10. the preparation of spin fiber according to claim 7 is equipped, it is characterised in that draw-gear is by motor, biography
Motivation structure, installation panel, tension adjusting device, wheel group and carbon brush composition, take-up are made up of wire-arranging mechanism and winding mechanism.
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| CN201611122647.7A CN106746593A (en) | 2016-12-08 | 2016-12-08 | A kind of spin fiber preparation method and equipment |
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| CN201611122647.7A CN106746593A (en) | 2016-12-08 | 2016-12-08 | A kind of spin fiber preparation method and equipment |
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| CN107601844A (en) * | 2017-10-16 | 2018-01-19 | 平步青 | A kind of fiber drawing tower with dedusting function based on Internet of Things |
| CN108640502A (en) * | 2018-07-26 | 2018-10-12 | 杭州富通通信技术股份有限公司 | The manufacturing method of optical fiber |
| CN111333315A (en) * | 2020-04-29 | 2020-06-26 | 上海煜志科技有限公司 | Optical fiber manufacturing apparatus and manufacturing method |
| CN111499182A (en) * | 2020-03-23 | 2020-08-07 | 中国科学院西安光学精密机械研究所 | Online drawing preparation method and system of distributed side-pumped coupled optical fiber |
| CN111548004A (en) * | 2020-05-15 | 2020-08-18 | 中天超容科技有限公司 | Optical fiber production equipment and preparation method and optical fiber |
| CN114315123A (en) * | 2021-12-31 | 2022-04-12 | 南京春辉科技实业有限公司 | Drawing method of quartz optical fiber |
| CN114326859A (en) * | 2021-12-29 | 2022-04-12 | 江苏南方光纤科技有限公司 | Optical fiber preform speed-raising die holder temperature control method, computer medium and computer |
| CN115611509A (en) * | 2022-11-03 | 2023-01-17 | 中天科技光纤有限公司 | Multifunctional rod feeding device for optical fiber drawing and optical fiber drawing equipment |
| CN117984546A (en) * | 2024-04-07 | 2024-05-07 | 特恩驰(南京)光纤有限公司 | High-speed drawing method for small-diameter optical fiber |
| CN114315123B (en) * | 2021-12-31 | 2024-10-01 | 南京春辉科技实业有限公司 | Quartz optical fiber drawing method |
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| CN114326859B (en) * | 2021-12-29 | 2023-03-31 | 江苏南方光纤科技有限公司 | Optical fiber preform speed-raising die holder temperature control method, computer medium and computer |
| CN114315123A (en) * | 2021-12-31 | 2022-04-12 | 南京春辉科技实业有限公司 | Drawing method of quartz optical fiber |
| CN114315123B (en) * | 2021-12-31 | 2024-10-01 | 南京春辉科技实业有限公司 | Quartz optical fiber drawing method |
| CN115611509A (en) * | 2022-11-03 | 2023-01-17 | 中天科技光纤有限公司 | Multifunctional rod feeding device for optical fiber drawing and optical fiber drawing equipment |
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