CN115403265A - Optical fiber manufacturing system and manufacturing method - Google Patents
Optical fiber manufacturing system and manufacturing method Download PDFInfo
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- CN115403265A CN115403265A CN202211139236.4A CN202211139236A CN115403265A CN 115403265 A CN115403265 A CN 115403265A CN 202211139236 A CN202211139236 A CN 202211139236A CN 115403265 A CN115403265 A CN 115403265A
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 125
- 238000010438 heat treatment Methods 0.000 claims abstract description 107
- 239000000835 fiber Substances 0.000 claims abstract description 67
- 238000007872 degassing Methods 0.000 claims abstract description 66
- 238000005491 wire drawing Methods 0.000 claims abstract description 32
- 238000010008 shearing Methods 0.000 claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 30
- 239000010453 quartz Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000000523 sample Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 abstract description 5
- 230000008018 melting Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000007380 fibre production Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012681 fiber drawing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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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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- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
The present application relates to an optical fiber manufacturing system and a manufacturing method, which includes: a first heating mechanism having a heating degassing chamber; a second heating mechanism which is positioned below the first heating mechanism and is provided with a heating wire drawing cavity communicated with the heating degassing cavity; the shearing mechanism is positioned below the second heating mechanism and is provided with a fiber feeding channel communicated with the heating wire drawing cavity, and the shearing mechanism is used for cutting the bare fiber passing through the fiber feeding channel; a first drive mechanism having an adapter for connection to the preform and driving the preform to move in the heating degassing chamber and the heating wiredrawing chamber. The application provides an optical fiber manufacturing system, with prefabricated excellent degasser and melting wire drawing device collection as an organic whole, reduce optic fibre handling, when improving optical fiber quality, effectively shortened the flow and the time that OVD system stick reaches the optical wand wire drawing, improved rate of equipment utilization and production efficiency.
Description
Technical Field
The present disclosure relates to optical fiber manufacturing technologies, and in particular, to an optical fiber manufacturing system and a manufacturing method.
Background
At present, optical fiber production mainly comprises two procedures of optical fiber preform preparation and preform drawing, however, the optical fiber preform preparation and optical fiber drawing are still in two relatively independent procedures. For example, an optical fiber preform is manufactured by an Outside Vapor Deposition (OVD) method in a separate workshop, but after dehydration and glass sintering molding of a loose body deposited by OVD, a long time of heating and degassing treatment is required because of a large amount of gas remaining in a clad glass body, and in addition, a tip processing treatment is required to be performed before drawing the optical fiber rod to be adapted to a taper head of a drawing device.
The prefabricated stick still need transport to special wire drawing workshop after accomplishing, carries out the optical fiber wire drawing, and whole technology is not only complicated, and is consuming time long, but also needs to dispose considerable degasification and front end processing equipment specially, and in addition, optical fiber prefabricated stick has experienced relapse intensification, cooling and transportation in degasification and front end course of working, very easily causes the optical wand surface to stain and devitrify, causes optical fiber quality problem easily.
Disclosure of Invention
The embodiment of the application provides an optical fiber manufacturing system and an optical fiber manufacturing method, and aims to solve the problems of complex optical fiber manufacturing process, low efficiency and low optical fiber quality in the related technology.
In a first aspect, the present application provides an optical fiber manufacturing system comprising: a first heating mechanism having a heating degassing chamber;
a second heating mechanism which is positioned below the first heating mechanism and is provided with a heating wire drawing cavity communicated with the heating degassing cavity;
the shearing mechanism is positioned below the second heating mechanism and is provided with a fiber feeding channel communicated with the heating wire drawing cavity, and the shearing mechanism is used for cutting the bare fiber passing through the fiber feeding channel;
a first drive mechanism having an adapter for connecting to the preform and actuating the preform to move in the heated degassing chamber and the heated drawing chamber.
In some embodiments, the first heating mechanism comprises a degassing furnace with two openings at two sides, an upper end cover and a lower end cover, wherein the upper end cover and the lower end cover respectively cover the two openings of the degassing furnace;
a quartz tube is arranged in the degassing furnace, and a heating device is arranged between the degassing furnace and the quartz tube;
the heating degassing cavity is formed in the quartz tube.
In some embodiments, the first heating mechanism further comprises a second driving mechanism, the second driving mechanism is connected with the upper end cover and is used for driving the upper end cover to move relative to the degassing furnace in a horizontal plane;
the second driving mechanism is connected with the lower end cover and used for driving the lower end cover to move relative to the degassing furnace in a horizontal plane.
In some embodiments, the second heating mechanism comprises a high-temperature furnace and a sealing cover, the high-temperature furnace is provided with an upper opening and a lower opening, and the sealing cover covers the lower opening of the high-temperature furnace;
the high-temperature furnace is internally provided with a muffle tube, and the heating wire drawing cavity is formed in the muffle tube.
In some embodiments, the degassing furnace, the lower end cover and the high temperature furnace are arranged in sequence and closely.
In some embodiments, the second heating mechanism further comprises a third driving mechanism, the third driving mechanism is connected with the sealing cover, and the sealing cover is provided with a thermocouple;
and the third driving mechanism drives the sealing cover to move relative to the high-temperature furnace in the horizontal plane according to the temperature detected by the thermocouple.
In some embodiments, the heating device further comprises a fourth driving mechanism, wherein the fourth driving mechanism is provided with a fixing part used for connecting the first heating mechanism and driving the first heating mechanism to move relative to the second heating mechanism in the horizontal plane.
In some embodiments, the shearing mechanism comprises:
the clamping device comprises at least two clamping arms which can move close to or away from each other to clamp the bare fiber, and the fiber running channel is formed between the clamping arms;
the optical detector faces the fiber running channel and is used for detecting the diameter of the bare fiber;
the moving path of the cutting knife passes through the fiber walking channel;
and the controller is connected with the clamping device, the optical detector and the cutting knife, controls the clamping arm to clamp the bare fiber according to the detected diameter, and controls the cutting knife to cut off the bare fiber.
In some embodiments, the first driving mechanism includes a driving motor, a stage, a connecting rod, and an adapter, and the driving motor is connected to the stage and configured to drive the stage to move in a horizontal plane or a vertical plane;
one end of the connecting rod is fixedly connected with the carrying platform, and the other end of the connecting rod is connected with the adapter.
In a second aspect, the present application also provides a method of manufacturing an optical fiber, comprising the steps of:
providing an optical fiber manufacturing system according to any of claims 1 to 9, securing the preform to the adapter;
starting a first driving mechanism to drive the prefabricated rod to enter a heating degassing cavity, and heating the first heating mechanism to a preset value to degas the prefabricated rod;
after degassing is finished, starting the first driving mechanism to drive the lower end of the prefabricated rod to enter the heating wire drawing cavity, and heating the second heating mechanism to a preset value so as to melt the prefabricated rod into wires and form bare fibers;
the bare fiber passes through the shearing mechanism through the fiber passing channel, and the shearing mechanism cuts off the bare fiber after the diameter of the bare fiber reaches a preset value.
The beneficial effect that technical scheme that this application provided brought includes: according to the optical fiber manufacturing system, the preform degassing device and the melting and drawing device are integrated, so that the risks of optical rod surface contamination and crystallization caused by degassing, repeated heating and cooling of the front end processing step and carrying in the traditional rod manufacturing process are avoided; the high-temperature degassing treatment of the optical rod is completed by the first heating mechanism while the melting and drawing are carried out, the degassing effect is good, and the process time is saved; the shearing mechanism is used for automatically shearing naked fibers, improves the intellectualization and safety of optical fiber production, simultaneously ensures the unification of the size of a prefabricated rod conical head and the size of optical fibers, integrally shortens the flow and time from the OVD rod manufacturing to the optical rod wire drawing, improves the equipment utilization rate and reduces the equipment investment.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an optical fiber manufacturing system according to an embodiment of the present disclosure.
In the figure: 1. a first heating mechanism; 11. heating the degassing chamber; 12. a degassing furnace; 13. an upper end cover; 14. a lower end cover; 15. a quartz tube; 16. a heating device; 2. a second heating mechanism; 21. heating the wire drawing cavity; 22. a high temperature furnace; 23. a sealing cover; 24. a muffle tube; 3. a shearing mechanism; 31. a fiber channel is arranged; 32. an optical detector; 33. a clamping device; 34. a cutting knife; 4. a first drive mechanism; 41. an adapter; 42. carrying platform; 43. a connecting rod; 5. performing a preform; 6. a fixing member; 7. a wiredrawing tower; 8. a wire drawing mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1, in a first aspect, an embodiment of the present application provides an optical fiber manufacturing system, which includes:
a first heating means 1 having a heating degassing chamber 11;
a second heating mechanism 2 which is positioned below the first heating mechanism 1 and has a heating wire drawing chamber 21 communicated with the heating degassing chamber 11;
a shearing mechanism 3 located below the second heating mechanism 2 and having a fiber feeding passage 31 communicating with the heating and drawing chamber 21, the shearing mechanism 3 being configured to cut the bare fiber passing through the fiber feeding passage 31;
a first drive mechanism 4, said first drive mechanism 4 having an adapter 41 for connecting the preform 5 and driving the preform 5 to move in the heated degassing chamber 11 and the heated drawing chamber 21.
The application provides an optical fiber manufacturing system, collect prefabricated excellent degasser and melting wire drawing device as an organic whole, prefabricated stick 5 that accomplishes degasification in first heating mechanism 1 can be sent into second heating mechanism 2 by actuating mechanism 4 directly and melts into the awl, under the action of gravity, the cone tenesmus forms naked fibre, naked fibre passes through shearing mechanism 3 through walking fibre passageway 31, and cut off by shearing mechanism 3, can effectively avoid degasification in the traditional system stick technology, the tip processing step heats up repeatedly, the cooling and the optical wand surface that the transport leads to stains and the devitrification risk, the flow and the time of OVD system stick to the optical wand wire drawing have wholly been shortened, the equipment utilization ratio has been improved, the equipment input has been reduced, automatic cut the fibre setting and guaranteed the unity of product size when improving optical fiber production intellectuality and security.
In a preferred embodiment, the optical fiber manufacturing system further includes a drawing tower (7), and the first driving mechanism 4, the first heating mechanism 1, the second heating mechanism 2, and the shearing mechanism 3 are sequentially disposed on the drawing tower (7) from top to bottom.
In some embodiments, the first heating mechanism 1 includes a degassing furnace 12 with two side openings, an upper end cover 13 and a lower end cover 14, wherein the upper end cover 13 and the lower end cover 14 respectively cover the two openings of the degassing furnace 12;
a quartz tube 15 is arranged in the degassing furnace 12, and a heating device 16 is arranged between the degassing furnace 12 and the quartz tube 15;
the heating degassing chamber 11 is formed in the quartz tube 15.
In a preferred embodiment, the quartz tube 15 is arranged opposite the opening of the degassing furnace 12, so that the preform 5 can enter the inner cavity of the quartz tube 15 through the opening at one side of the degassing furnace 12 and then exit through the opening at the other side of the degassing furnace 12.
Further, gas sealing devices (not shown) are provided at the upper end cover 13 and the lower end cover 14, and are used for sealing gaps between the upper end cover 13 and the degassing furnace 12 and between the lower end cover 14 and the degassing furnace 12 and the high temperature furnace 22, so as to prevent air from entering the furnace body and influencing degassing or wire drawing effects, and the gas sealing devices can use inert gas such as argon and nitrogen as sealing gas.
Further, a heat insulation layer is arranged between the quartz tube 15 and the degassing furnace 12.
In some embodiments, the first heating mechanism 1 further comprises a second driving mechanism (not shown in the drawings), which is connected to the upper end cover 13 and is used for driving the upper end cover 13 to move relative to the degassing furnace 12 in a horizontal plane;
the second drive mechanism is connected to the lower end cap 14 and is configured to drive the lower end cap 14 to move in a horizontal plane relative to the degassing furnace 12.
Specifically, the upper end cap 13 includes at least two upper end cap plates that can be close to or away from each other, and the lower end cap 14 includes at least two lower end cap plates that can be close to or away from each other.
In a preferred embodiment, the apparatus further comprises a PLC controller, wherein the PLC controller is connected to the second driving mechanism, and in practical application, the PLC controller controls the second driving mechanism to drive the two upper end cover plates to approach or separate from each other and drive the two lower end cover plates to approach or separate from each other according to the position and the moving direction of the preform 5, so as to realize the intelligentization of the rod feeding, degassing and drawing processes of the preform.
In some embodiments, the second heating mechanism 2 comprises a high temperature furnace 22 and a sealing cover 23, the high temperature furnace 22 is provided with an upper opening and a lower opening, and the sealing cover 23 covers the lower opening of the high temperature furnace 22;
a muffle tube 24 is arranged in the high-temperature furnace 22, and the heating wire drawing cavity 21 is formed in the muffle tube 24.
Specifically, the inner cavity of the muffle tube 24 is communicated with the inner cavity of the quartz tube 15.
In some embodiments, the degassing furnace 12, the lower end cap 13 and the high temperature furnace 22 are arranged next to each other in sequence.
Specifically, the degassing furnace 12, the lower end cover 13 and the high temperature furnace 22 are arranged in a close-fitting manner in sequence, the distance between the degassing furnace 12 and the high temperature furnace 22 is reduced, the preform 5 is degassed and then rapidly enters the high temperature furnace 22 for a wire drawing process, and the lower end cover 13 is used for sealing between the degassing furnace 12 and the high temperature furnace 22, so that the device is simplified, and the equipment investment is reduced.
In some embodiments, the second heating mechanism 2 further comprises a third driving mechanism (not shown in the figures), the third driving mechanism is connected with the sealing cover 23, and a thermocouple is arranged on the sealing cover 23;
the third driving mechanism drives the sealing cover 23 to move relative to the high-temperature furnace 22 in the horizontal plane according to the temperature detected by the thermocouple.
In particular, the sealing cover 23 comprises at least two sealing cover plates that can be moved towards or away from each other.
The third driving mechanism and the thermocouple are respectively connected with the PLC, the PLC receives the temperature detected by the thermocouple during actual work and compares the temperature with a preset value, and when the preset temperature is reached, the third driving mechanism is controlled to drive the two sealing cover plates to be away from each other.
In some embodiments, it further comprises a fourth driving mechanism (not shown in the figures) having a fixing member 6 for connecting the first heating mechanism 1 and driving the first heating mechanism 1 to move relative to the second heating mechanism 2 in the horizontal plane.
The first heating mechanism 1 is connected with a fourth driving mechanism through a fixing piece 6, the fourth driving mechanism is arranged on a wiredrawing tower 7 and can drive the first heating mechanism 1 to horizontally move, so that the first heating mechanism 1 and the second heating mechanism 2 are staggered, and maintenance and cleaning work is facilitated.
In some embodiments, the shearing mechanism 3 comprises:
a clamping device 33, which comprises at least two clamping arms that can move toward or away from each other to clamp the bare fiber, wherein the fiber channel 31 is formed between the clamping arms;
an optical probe 32 facing the fiber passage 31 and used for detecting the diameter of the bare fiber;
a cutting knife 34, the moving path of which passes through the fiber running channel 31;
and a controller (not shown) connected to the clamping device 33, the optical probe 32 and the cutting blade 34, for controlling the clamping arms to clamp the bare fiber and controlling the cutting blade 34 to cut the bare fiber according to the detected diameter.
In actual operation, the controller receives the diameter of the bare fiber detected by the optical detector 32, compares the diameter with a preset value, and controls the clamping arm to clamp the bare fiber and the cutting knife 34 to cut off the bare fiber when the diameter of the bare fiber reaches the preset value.
In particular, the gripping device 33 may include, but is not limited to, a pneumatic jaw.
In some embodiments, first driving mechanism 4 includes a driving motor, a stage 42, a connecting rod 43, and an adapter 41, where the driving motor is connected to stage 42 and used for driving stage 42 to move in a horizontal plane or a vertical plane;
one end of connecting rod 43 is fixedly connected to stage 42, and the other end is connected to adapter 41.
Specifically, the driving motors include an X-axis driving motor, a Y-axis driving motor, and a Z-axis driving motor, and are used for driving the stage 42 to move in the horizontal plane and the vertical plane.
In a preferred embodiment, a displacement sensor is provided on the carrier 42 for measuring the distance that the carrier 42 moves in a horizontal plane or a vertical plane, and by providing the displacement sensor, the position of the preform 5 in the horizontal and vertical directions can be precisely controlled.
Further, the optical fiber manufacturing system further comprises a wire drawing mechanism 8, wherein the wire drawing mechanism 8 includes but is not limited to a cooling pipe, a diameter gauge, a coater, a curing oven and a wire rewinding machine, and the wire drawing mechanism adopts conventional equipment and is not described herein.
In a second aspect, an embodiment of the present application further provides an optical fiber manufacturing method, including the following steps:
providing an optical fiber manufacturing system as described above, fixing the preform 5 to the adapter 41;
starting the first driving mechanism 4 to drive the preform 5 into the heating degassing chamber 11, and heating the first heating mechanism 1 to a preset value to degas the preform 5;
after degassing is finished, starting the first driving mechanism 4 to drive the lower end of the prefabricated rod 5 to enter the heating wire-drawing cavity 21, and heating the second heating mechanism 2 to a preset value so as to melt the prefabricated rod 5 into wires and form bare fibers;
the bare fiber passes through the shearing mechanism 3 through the fiber passing channel 31, and the shearing mechanism 3 cuts off the bare fiber after the diameter of the bare fiber reaches a preset value.
The following describes the method for manufacturing an optical fiber provided in the present application in detail, including the steps of:
101: providing the optical fiber manufacturing system of claims 1-9, attaching the preform to adapter 41;
102: starting a first driving mechanism 4 to drive the lower end of the preform 5 to enter a heating degassing cavity 11, starting a first heating mechanism 1, heating to 1200-1600 ℃, and degassing;
103: starting a first driving mechanism 4 to send the degassed preformed rod 5 into a heating wire-drawing cavity 21 at the speed of 10-20 mm/min, starting a second heating mechanism 2 to heat to 1800-2400 ℃, softening the preformed rod 5 to form a conical head, and dropping the conical head to be close to a sealing cover 23;
104: when the thermocouple detects that the temperature reaches the preset temperature, the second heating mechanism 2 starts to cool, the sealing cover 23 is opened at the same time, the conical head penetrates through the sealing cover 23, the optical detector 32 detects that the diameter of the conical head reaches 10-40 mm, the clamping device 33 clamps the conical head, and meanwhile the cutter 34 cuts off bare fibers;
105: starting the first driving mechanism 4 to lift the preform rod 5 to a conical head to be positioned in the heating wire-drawing cavity 21, starting the second heating mechanism 2 to raise the temperature to 1800-2200 ℃, melting and dropping the conical head to form a bare fiber, and dropping the bare fiber to be close to the sealing cover 23;
106: when the thermocouple detection reaches the preset temperature, the sealing cover 23 is opened, the bare fiber penetrates through the sealing cover 23, the clamping device 33 clamps the bare fiber at intervals of 1-5 s, meanwhile, the cutting knife 34 cuts off the bare fiber, and when the optical detector 32 detects that the diameter of the bare fiber reaches 0.5-2 mm, the fiber cutting is stopped.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in this application, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An optical fiber manufacturing system, comprising:
a first heating mechanism (1) having a heating degassing chamber (11);
a second heating mechanism (2) which is positioned below the first heating mechanism (1) and is provided with a heating wire drawing cavity (21) communicated with the heating degassing cavity (11);
a shearing mechanism (3) which is positioned below the second heating mechanism (2) and is provided with a fiber running channel (31) communicated with the heating wire drawing cavity (21), wherein the shearing mechanism (3) is used for cutting the bare fiber passing through the fiber running channel (31);
a first drive mechanism (4), said first drive mechanism (4) having an adapter (41) for connecting to the preform (5) and driving the preform (5) in the heated degassing chamber (11) and the heated drawing chamber (21).
2. Optical fiber manufacturing system according to claim 1, wherein the first heating means (1) comprises a degassing furnace (12) having two side openings, an upper end cap (13) and a lower end cap (14), the upper end cap (13) and the lower end cap (14) covering the two openings of the degassing furnace (12), respectively;
a quartz tube (15) is arranged in the degassing furnace (12), and a heating device (16) is arranged between the degassing furnace (12) and the quartz tube (15);
the heating degassing cavity (11) is formed in the quartz tube (15).
3. The optical fiber manufacturing system according to claim 2, wherein the first heating mechanism (1) further comprises a second driving mechanism connected to the upper end cap (13) and configured to drive the upper end cap (13) to move in a horizontal plane with respect to the degassing furnace (12);
the second driving mechanism is connected with the lower end cover (14) and is used for driving the lower end cover (14) to move relative to the degassing furnace (12) in a horizontal plane.
4. The optical fiber manufacturing system according to claim 2, wherein the second heating means (2) comprises a high temperature furnace (22) and a sealing cover (23), the high temperature furnace (22) is provided with an upper opening and a lower opening, and the sealing cover (23) covers the lower opening of the high temperature furnace (22);
a muffle pipe (24) is arranged in the high-temperature furnace (22), and the heating wire drawing cavity (21) is formed in the muffle pipe (24).
5. An optical fiber manufacturing system according to claim 4, wherein said degassing furnace (12), said lower end cap (13) and said high temperature furnace (22) are arranged in close proximity in sequence.
6. The optical fiber manufacturing system according to claim 4, wherein the second heating means (2) further comprises a third driving means connected to the sealing cover (23), the sealing cover (22) being provided with a thermocouple;
the third driving mechanism drives the sealing cover (22) to move relative to the high-temperature furnace (22) in a horizontal plane according to the temperature detected by the thermocouple.
7. The optical fiber manufacturing system according to claim 1, further comprising a fourth driving mechanism having a fixing member (6) for connecting the first heating mechanism (1) and driving the first heating mechanism (1) to move in the horizontal plane relative to the second heating mechanism (2).
8. The optical fiber manufacturing system according to claim 1, wherein the shearing mechanism (3) comprises:
a clamping device (33) comprising at least two clamping arms which can move towards or away from each other to clamp the bare fiber, wherein the fiber running channel (31) is formed between the clamping arms;
an optical probe (32) facing the fiber passage (31) and used for detecting the diameter of the bare fiber;
a cutting knife (34) with a moving path passing through the fiber walking channel (31);
and the controller is connected with the clamping device (33), the optical detector (32) and the cutting knife (34), controls the clamping arms to clamp the bare fibers according to the detected diameters, and controls the cutting knife (34) to cut off the bare fibers.
9. The optical fiber manufacturing system according to claim 1, wherein the first driving mechanism (4) comprises a driving motor, a stage (42), a connecting rod (43), and an adapter (41), the driving motor being connected to the stage (42) and configured to drive the stage (42) to move in a horizontal plane or a vertical plane;
one end of the connecting rod (43) is fixedly connected with the carrying platform (42), and the other end of the connecting rod is connected with the adapter (41).
10. A method of manufacturing an optical fiber, comprising the steps of:
providing an optical fiber manufacturing system according to any of claims 1-9, attaching the preform (5) to an adapter (41);
starting a first driving mechanism (4) to drive the prefabricated rod (5) to enter a heating degassing cavity (11), and heating the first heating mechanism (1) to a preset value to degas the prefabricated rod (5);
after degassing is finished, starting the first driving mechanism (4) to drive the lower end of the prefabricated rod (5) to enter the heating wire-drawing cavity (21), and heating the second heating mechanism (2) to a preset value so as to melt the prefabricated rod (5) into wires and form a bare fiber;
the bare fiber passes through the shearing mechanism (3) through the fiber passing channel (31), and the shearing mechanism (3) cuts the bare fiber after the diameter of the bare fiber reaches a preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211139236.4A CN115403265B (en) | 2022-09-19 | 2022-09-19 | Optical fiber manufacturing system and manufacturing method |
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| Application Number | Priority Date | Filing Date | Title |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01275444A (en) * | 1988-04-28 | 1989-11-06 | Sumitomo Electric Ind Ltd | Production of optical fiber |
| CN1096012A (en) * | 1993-03-03 | 1994-12-07 | 住友电气工业株式会社 | The preparation method of glass preform for optical fiber |
| JPH08188439A (en) * | 1995-01-13 | 1996-07-23 | Sumitomo Electric Ind Ltd | Optical fiber drawing apparatus and drawing method |
| CN105916823A (en) * | 2014-01-16 | 2016-08-31 | 古河电气工业株式会社 | Method for producing optical fiber preform and method for producing optical fiber |
| CN108046582A (en) * | 2017-12-29 | 2018-05-18 | 江苏通鼎光棒有限公司 | A kind of continuous device and method for preparing preform and wire drawing |
| CN211921319U (en) * | 2020-02-25 | 2020-11-13 | 江东科技有限公司 | Stub bar device |
| CN217025784U (en) * | 2021-09-29 | 2022-07-22 | 江苏南方光纤科技有限公司 | Stub bar falling device for optical fiber production |
-
2022
- 2022-09-19 CN CN202211139236.4A patent/CN115403265B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01275444A (en) * | 1988-04-28 | 1989-11-06 | Sumitomo Electric Ind Ltd | Production of optical fiber |
| CN1096012A (en) * | 1993-03-03 | 1994-12-07 | 住友电气工业株式会社 | The preparation method of glass preform for optical fiber |
| JPH08188439A (en) * | 1995-01-13 | 1996-07-23 | Sumitomo Electric Ind Ltd | Optical fiber drawing apparatus and drawing method |
| CN105916823A (en) * | 2014-01-16 | 2016-08-31 | 古河电气工业株式会社 | Method for producing optical fiber preform and method for producing optical fiber |
| CN108046582A (en) * | 2017-12-29 | 2018-05-18 | 江苏通鼎光棒有限公司 | A kind of continuous device and method for preparing preform and wire drawing |
| CN211921319U (en) * | 2020-02-25 | 2020-11-13 | 江东科技有限公司 | Stub bar device |
| CN217025784U (en) * | 2021-09-29 | 2022-07-22 | 江苏南方光纤科技有限公司 | Stub bar falling device for optical fiber production |
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