CN115403265B - Optical fiber manufacturing system and manufacturing method - Google Patents
Optical fiber manufacturing system and manufacturing method Download PDFInfo
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- CN115403265B CN115403265B CN202211139236.4A CN202211139236A CN115403265B CN 115403265 B CN115403265 B CN 115403265B CN 202211139236 A CN202211139236 A CN 202211139236A CN 115403265 B CN115403265 B CN 115403265B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 129
- 238000010438 heat treatment Methods 0.000 claims abstract description 113
- 238000007872 degassing Methods 0.000 claims abstract description 61
- 239000000835 fiber Substances 0.000 claims abstract description 61
- 238000005491 wire drawing Methods 0.000 claims abstract description 31
- 238000010008 shearing Methods 0.000 claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims abstract description 19
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- 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
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 8
- 238000003286 fusion draw glass process Methods 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000007380 fibre production Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 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
- 206010063385 Intellectualisation Diseases 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012681 fiber drawing Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000011521 glass Substances 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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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- 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)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
The present application relates to an optical fiber manufacturing system and method, comprising: a first heating mechanism having a heating degassing chamber; the second heating mechanism 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 provided with a fiber running channel communicated with the heating wire drawing cavity, and the shearing mechanism is used for cutting off bare fibers passing through the fiber running channel; the first driving mechanism is provided with an adapter used for being connected with the prefabricated rod and drives the prefabricated rod to move in the heating degassing cavity and the heating wire drawing cavity. The optical fiber manufacturing system integrates the preform degassing device and the fusion drawing device, reduces the optical fiber carrying process, improves the optical fiber quality, effectively shortens the flow and time from OVD rod making to optical rod drawing, and improves the equipment utilization rate and the production efficiency.
Description
Technical Field
The present disclosure relates to the field of optical fiber manufacturing technologies, and in particular, to an optical fiber manufacturing system and an optical fiber manufacturing method.
Background
At present, optical fiber production mainly comprises two working procedures of optical fiber preform preparation and preform wire drawing, but the current optical fiber preform manufacturing and optical rod wire drawing are still in two relatively independent working procedures. For example, an optical fiber preform is manufactured by external vapor deposition (Outside vapor deposition, OVD) in a separate shop, but after the OVD deposited loose body is dehydrated and vitrified sintered to be formed, a long time of heating and degassing treatment is required because a large amount of gas remains in the clad glass body, and furthermore, a tip processing treatment is required before drawing the optical rod to accommodate the taper head of the drawing device.
The optical fiber preform is transported to a special drawing workshop for optical fiber drawing after finishing, the whole process is complex in flow and long in time consumption, a considerable amount of degassing and front end processing equipment is specially configured, and in addition, the optical fiber preform is repeatedly heated, cooled and transported in the degassing and front end processing processes, so that the surface of the optical fiber preform is easily stained and devitrified, and the quality problem of the optical fiber is easily caused.
Disclosure of Invention
The embodiment of the application provides an optical fiber manufacturing system and an optical fiber manufacturing method, which are used for solving the problems of complex optical fiber manufacturing process flow, 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;
the second heating mechanism 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 provided with a fiber running channel communicated with the heating wire drawing cavity, and the shearing mechanism is used for cutting off bare fibers passing through the fiber running channel;
the first driving mechanism is provided with an adapter used for being connected with the prefabricated rod and drives the prefabricated rod to move in the heating degassing cavity and the heating wire drawing cavity.
In some embodiments, the first heating mechanism comprises a degassing furnace with two side openings, an upper end cover and a lower end cover, wherein the upper end cover and the lower end cover are respectively covered on 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;
and the heating degassing cavity is formed in the quartz tube.
In some embodiments, the first heating mechanism further comprises a second driving mechanism connected to the upper end cap and configured to drive the upper end cap to move in a horizontal plane relative to the degassing furnace;
the second driving mechanism is connected with the lower end cover and is 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 provided with an upper opening and a lower opening, and a sealing cover covering the lower opening of the high temperature furnace;
and a Markov pipe is arranged in the high-temperature furnace, and the heating wire drawing cavity is formed in the Ma Fuguan.
In some embodiments, the degassing furnace, the lower end cap, and the high temperature furnace are disposed in close proximity in sequence.
In some embodiments, the second heating mechanism further comprises a third driving mechanism, the third driving mechanism is connected with the sealing cover, and a thermocouple is arranged on the sealing cover;
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 apparatus further comprises a fourth drive mechanism having a mount for coupling the first heating mechanism and for driving the first heating mechanism to move in a horizontal plane relative to the second heating mechanism.
In some embodiments, the shearing mechanism comprises:
the clamping device comprises at least two clamping arms which can be mutually close to or far away from each other to clamp the bare fiber, and the fiber moving channel is formed between the clamping arms;
an optical detector facing the fiber-moving passage and detecting a diameter of the bare fiber;
a cutting knife, the moving path of which passes through the fiber-running channel;
and the controller is connected with the clamping device, the optical detector and the cutting knife, and controls the clamping arm to clamp the bare fiber and controls the cutting knife to cut off the bare fiber according to the detected diameter.
In some embodiments, the first driving mechanism comprises a driving motor, a carrier, a connecting rod and an adapter, wherein the driving motor is connected with the carrier and used for driving the carrier 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 of the present application, securing a preform to an adapter;
starting a first driving mechanism to drive the preform rod to enter a heating degassing cavity, and heating the first heating mechanism to a preset value to degas the preform rod;
after the degassing is finished, starting a first driving mechanism to drive the lower end of the preform rod to enter a heating wire drawing cavity, and heating the second heating mechanism to a preset value to enable the preform rod to be melted into wires to form bare fibers;
the bare fiber passes through the shearing mechanism through the fiber-moving channel, and the shearing mechanism cuts off the bare fiber after the diameter of the bare fiber reaches a preset value.
The beneficial effects that technical scheme that this application provided brought include: the optical fiber manufacturing system integrates the preform degassing device and the melting drawing device, and avoids risks of contamination and crystallization on the surface of the optical rod caused by repeated heating and cooling and carrying of degassing and front-end processing steps in the traditional rod manufacturing process; the high-temperature degassing treatment of the optical rod is finished through the first heating mechanism while the optical rod is in fusion wire drawing, so that the degassing effect is good, and the process time is saved; the shearing mechanism is used for automatically shearing bare fibers, so that the intellectualization and safety of fiber production are improved, the unification of the prefabricated rod conical head and the fiber size is ensured, the flow and time from OVD rod making to optical rod wire drawing are integrally shortened, the equipment utilization rate is improved, and the equipment investment is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an optical fiber manufacturing system according to an embodiment of the present application.
In the figure: 1. a first heating mechanism; 11. heating the degassing cavity; 12. a degassing furnace; 13. an upper end cap; 14. a lower end cap; 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. sealing cover; 24. ma Fuguan; 3. a shearing mechanism; 31. a fiber passage; 32. an optical detector; 33. a clamping device; 34. a cutting knife; 4. a first driving mechanism; 41. an adapter; 42. a carrier; 43. a connecting rod; 5. a preform; 6. a fixing member; 7. a wire drawing tower; 8. and a wire drawing mechanism.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of 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 apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present application based on the embodiments herein.
As shown in fig. 1, in a first aspect, an embodiment of the present application provides an optical fiber manufacturing system, including:
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 has a heating wire drawing cavity 21 which is communicated with the heating degassing cavity 11;
a shearing mechanism 3 positioned below the second heating mechanism 2 and provided with a fiber running channel 31 communicated with the heating drawing cavity 21, wherein the shearing mechanism 3 is used for cutting off bare fibers passing through the fiber running channel 31;
the first driving mechanism 4 is provided with an adapter 41 for connecting with the prefabricated rod 5, and drives the prefabricated rod 5 to move in the heating and degassing cavity 11 and the heating and drawing cavity 21.
According to the optical fiber manufacturing system, the preform degassing device and the melting wire drawing device are integrated, the preform 5 subjected to degassing treatment in the first heating mechanism 1 can be directly fed into the second heating mechanism 2 to be melted into a cone by the driving mechanism 4, under the action of gravity, the cone is dropped to form bare fibers, the bare fibers pass through the shearing mechanism 3 through the fiber-passing channel 31 and are cut off by the shearing mechanism 3, risks of contamination and crystallization on the surface of an optical rod caused by repeated heating, cooling and carrying of degassing and front-end processing steps in the traditional rod manufacturing process can be effectively avoided, the flow and time from OVD rod manufacturing to optical rod wire drawing are integrally shortened, the equipment utilization rate is improved, the equipment investment is reduced, and the unification of product sizes is ensured while the intelligent and safety of optical fiber production is improved by automatic fiber cutting setting.
In a preferred embodiment, the optical fiber manufacturing system further comprises 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 arranged on the drawing tower (7) from top to bottom.
In some embodiments, the first heating mechanism 1 comprises 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 degasser 12, and a heating device 16 is arranged between the degasser 12 and the quartz tube 15;
the heating and degassing chamber 11 is formed in the quartz tube 15.
In a preferred embodiment, the quartz tube 15 is positioned opposite the opening of the degasser 12 such that the preform 5 can enter the quartz tube 15 cavity from one side opening of the degasser 12 and then exit from the other side opening of the degasser 12.
Further, air sealing devices (not shown) are arranged at the upper end cover 13 and the lower end cover 14, the air sealing devices are used for sealing gaps between the upper end cover 13 and the degassing furnace 12 and gaps between the lower end cover 14 and the degassing furnace 12 and the high-temperature furnace 22, and air is prevented from entering the furnace body to influence degassing or wiredrawing effects, and inert gases such as argon and nitrogen can be used as sealing gases for the air sealing devices.
Further, a heat insulation layer is arranged between the quartz tube 15 and the degasser 12.
In some embodiments, the first heating mechanism 1 further comprises a second driving mechanism (not shown in the figure), and the second driving mechanism 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 coupled to the lower end cap 14 and is configured to drive the lower end cap 14 in a horizontal plane relative to the degassing furnace 12.
Specifically, the upper end cover 13 includes at least two upper end cover plates that can be moved toward and away from each other, and the lower end cover 14 includes at least two lower end cover plates that can be moved toward and away from each other.
In the preferred embodiment, the device further comprises a PLC controller, wherein the PLC controller is connected with 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 be close to or far away from each other and drive the two lower end cover plates to be close to or far away from each other according to the position and the movement direction of the prefabricated rod 5, so that the intellectualization of the rod feeding, degassing and wire drawing processes of the prefabricated rod is realized.
In some embodiments, the second heating mechanism 2 comprises a high temperature furnace 22 and a sealing cover 23, wherein the high temperature furnace 22 is provided with an upper opening and a lower opening, and the sealing cover 23 is covered on 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 tube 24 is communicated with the inner cavity of the quartz tube 15.
In some embodiments, the degasser 12, lower end cap 14, and high temperature furnace 22 are disposed in close proximity.
Specifically, the degassing furnace 12, the lower end cover 14 and the high temperature furnace 22 are sequentially and closely arranged, so that the distance between the degassing furnace 12 and the high temperature furnace 22 is reduced, the preform 5 is rapidly fed into the high temperature furnace 22 for wire drawing after degassing, the lower end cover 14 is used for sealing between the degassing furnace 12 and the high temperature furnace 22, 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 figure), 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 which can be moved towards or away from each other.
The third driving mechanism and the thermocouple are respectively connected with the PLC, and when in actual work, the PLC receives the temperature detected by the thermocouple and compares the temperature with a preset value, and when the temperature reaches the preset value, the third driving mechanism is controlled to drive the two sealing cover plates to be mutually far away.
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 in a horizontal plane relative to the second heating mechanism 2.
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 wire drawing tower 7, and the fourth driving mechanism can drive the first heating mechanism 1 to do horizontal movement so that the first heating mechanism 1 and the second heating mechanism 2 are staggered, and the maintenance and the cleaning work are convenient.
In some embodiments, the shearing mechanism 3 comprises:
a clamping device 33, which comprises at least two clamping arms that can be close to or far away from each other to clamp the bare fiber, wherein the fiber running channel 31 is formed between the clamping arms;
an optical detector 32 facing the fiber path 31 and detecting a diameter of the bare fiber;
a cutter 34 having a moving path passing through the fiber passage 31;
and a controller (not shown) connected to the holding device 33, the optical detector 32, and the cutter 34, and controlling the holding arm to hold the bare fiber and controlling the cutter 34 to cut the bare fiber according to the detected diameter.
In actual operation, the controller receives the bare fiber diameter detected by the optical detector 32, compares the bare fiber diameter with a preset value, and when the bare fiber diameter reaches the preset value, controls the clamping arm to clamp the bare fiber and controls the cutter 34 to cut off the bare fiber.
In particular, the clamping means 33 may comprise, but are not limited to, pneumatic jaws.
In some embodiments, the first driving mechanism 4 includes a driving motor, a carrier 42, a connecting rod 43, and an adapter 41, where the driving motor is connected to the carrier 42 and is used to drive the carrier 42 to move in a horizontal plane or a vertical plane;
one end of the connecting rod 43 is fixedly connected with the carrier 42, and the other end is connected with the adapter 41.
Specifically, the driving motors include an X-axis driving motor, a Y-axis driving motor, and a Z-axis driving motor for driving the stage 42 to move in the horizontal plane and the vertical plane.
In a preferred embodiment, the carrier 42 is provided with a displacement sensor, and the displacement sensor is used for measuring the moving distance of the carrier 42 in the horizontal plane or the 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 drawing mechanism 8, wherein the drawing mechanism 8 comprises, but is not limited to, a cooling pipe, a diameter measuring instrument, an applicator, a curing oven and a wire winding machine, and conventional equipment is adopted in the drawing mechanism, so that the description is omitted.
In a second aspect, embodiments of the present application further provide a method for manufacturing an optical fiber, including the steps of:
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 to enter the heating and degassing cavity 11, and heating the first heating mechanism 1 to a preset value to degas the preform 5;
after the degassing is finished, starting the first driving mechanism 4 to drive the lower end of the preform 5 to enter the heating wire drawing cavity 21, and heating the second heating mechanism 2 to a preset value to melt the preform 5 into filaments to 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 following steps:
101: providing an optical fiber manufacturing system of the present application, securing a preform to an 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 the first heating mechanism 1, heating to 1200-1600 ℃, and degassing;
103: starting a first driving mechanism 4 to send the degassed preform 5 into a heating wire drawing cavity 21 at a speed of 10-20 mm/min, starting a second heating mechanism 2 to heat up to 1800-2400 ℃, and softening the preform 5 to form a conical head, wherein the conical head falls down 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, the cone head passes through the sealing cover 23, the optical detector 32 detects that the diameter of the cone head reaches 10-40 mm, the clamping device 33 clamps the cone head, and the cutting knife 34 cuts off bare fibers;
105: starting a first driving mechanism 4 to lift the preform 5 until the conical head is positioned in a heating wire drawing cavity 21, starting a second heating mechanism 2 to heat up to 1800-2200 ℃, and melting and dropping the conical head to form bare fibers, wherein the bare fibers drop to be close to a sealing cover 23;
106: when the thermocouple detects that the preset temperature is reached, the sealing cover 23 is opened, bare fibers pass through the sealing cover 23, the clamping device 33 clamps the bare fibers every 1-5 seconds, the cutting knife 34 cuts off the bare fibers, and when the optical detector 32 detects that the diameter of the bare fibers reaches 0.5-2 mm, the fiber cutting is stopped.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and simplification of the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be 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. Moreover, 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 phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the 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 (6)
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 off bare fibers passing through the fiber running channel (31);
the first driving mechanism (4) is provided with an adapter (41) used for being connected with the prefabricated rod (5) and drives the prefabricated rod (5) to move in the heating degassing cavity (11) and the heating wire drawing cavity (21);
the first heating mechanism (1) comprises a degassing furnace (12) with openings at two sides, an upper end cover (13) and a lower end cover (14), wherein the upper end cover (13) and the lower end cover (14) are respectively covered on 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 quartz tube (15) is internally provided with the heating degassing cavity (11);
the second heating mechanism (2) comprises a high-temperature furnace (22) and a sealing cover (23), wherein the high-temperature furnace (22) is provided with an upper opening and a lower opening, and the sealing cover (23) is covered on the lower opening of the high-temperature furnace (22);
ma Fuguan (24) is arranged in the high-temperature furnace (22), and the heating wire drawing cavity (21) is formed in the Ma Fuguan (24);
the degasser (12), the lower end cover (14) and the high temperature furnace (22) are sequentially and closely arranged;
the second heating mechanism (2) further comprises a third driving mechanism, the third driving mechanism is connected with the sealing cover (23), and a thermocouple is arranged on the sealing cover (23);
and 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.
2. The optical fiber manufacturing system according to claim 1, wherein the first heating mechanism (1) further comprises a second driving mechanism connected to the upper end cap (13) and adapted to drive the upper end cap (13) to move in a horizontal plane relative 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.
3. An optical fiber manufacturing system according to claim 1, further comprising a fourth drive mechanism having a fixture (6) for connecting the first heating mechanism (1) and driving the first heating mechanism (1) to move in a horizontal plane relative to the second heating mechanism (2).
4. 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 be mutually close to or far away from each other to clamp the bare fiber, wherein the fiber running channel (31) is formed between the clamping arms;
an optical detector (32) facing the fiber-running channel (31) and detecting the diameter of the bare fiber;
-a cutter (34) having a path of movement through the fibre path (31);
and the controller is connected with the clamping device (33), the optical detector (32) and the cutting knife (34), and controls the clamping arm to clamp the bare fiber according to the detected diameter and controls the cutting knife (34) to cut off the bare fiber.
5. 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 being adapted to drive the stage (42) to move in a horizontal or 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).
6. A method of manufacturing an optical fiber, comprising the steps of:
providing an optical fiber manufacturing system according to any of claims 1-5, securing a preform (5) to an adapter (41);
starting a first driving mechanism (4) to drive the preform (5) into a heating and degassing cavity (11), and heating the first heating mechanism (1) to a preset value to degas the preform (5);
after the degassing is finished, starting a first driving mechanism (4) to drive the lower end of the preform (5) to enter a heating wire drawing cavity (21), and heating the second heating mechanism (2) to a preset value to enable the preform (5) to be melted into wires to form bare fibers;
the bare fiber passes through the shearing mechanism (3) through the fiber-moving channel (31), and the shearing mechanism (3) cuts off 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115403265A CN115403265A (en) | 2022-11-29 |
| CN115403265B true CN115403265B (en) | 2024-02-02 |
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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 | Apparatus for drawing optical fiber and drawing |
| 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 | Apparatus for drawing optical fiber and drawing |
| 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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| CN115403265A (en) | 2022-11-29 |
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