CN113860720B - Method for processing optical fiber preform and optical fiber - Google Patents
Method for processing optical fiber preform and optical fiber Download PDFInfo
- Publication number
- CN113860720B CN113860720B CN202111152969.7A CN202111152969A CN113860720B CN 113860720 B CN113860720 B CN 113860720B CN 202111152969 A CN202111152969 A CN 202111152969A CN 113860720 B CN113860720 B CN 113860720B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- optical fiber
- rotary clamping
- mounting frame
- hollow conical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
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
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
-
- 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
- C03B37/027—Fibres composed of different sorts of glass, e.g. glass optical fibres
-
- 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
Landscapes
- 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 application discloses a processing method of an optical fiber preform and an optical fiber, wherein the processing method of the optical fiber preform comprises the following steps: 1) Placing the sleeve on a supporting roller, adjusting the upper position and the lower position of the supporting roller 2) rotating the supporting roller to drive the corresponding sleeve to be inserted into the corresponding rotary clamping seat, locking the sleeve by the rotary clamping seat, and moving the supporting roller downwards; 3) The two sleeves are driven to approach each other by rotating the clamping seat, and the end parts of the two sleeves are welded together by a blast burner; 4) Controlling the two rotary clamping seats to be far away from each other, so that the welding ends of the two sleeves form mutually connected hollow conical structures; 5) Cooling the hollow conical structures in an air cooling mode, and then cutting off the joints of the two hollow conical structures; 6) And (3) pickling and drying the sleeve, inserting the core rod into the sleeve, and enabling the end part of the core rod to be located at the conical structure to form the preform. Compared with the prior art, the machining method can effectively improve machining efficiency.
Description
Technical Field
The invention relates to the field of optical fiber preforms, in particular to a processing method of an optical fiber preform and an optical fiber.
Background
The casing method has the characteristics of high production efficiency and low cost. In actual operation, a tail pipe is welded at one end of a sleeve, a core rod is inserted into the sleeve through the tail pipe to form a preform, the preform formed by combining the sleeve and the core rod is sent to a wire drawing furnace to be drawn, and a clamping device above the wire drawing furnace clamps the tail pipe during wire drawing.
In actual production, in order to facilitate the wire drawing operation, one end of the sleeve needs to be processed into a tapered portion, two horizontally arranged sleeves are usually installed on a machine tool, the ends of the two sleeves are welded and then separated, the two sleeves form a hollow tapered portion, the small-diameter ends of the two tapered portions are connected, and after natural cooling, a worker cuts off the joint of the two tapered portions through a cutter.
The existing processing method takes a long time. Firstly, it takes a lot of time for a worker to attach and detach the sleeve to and from the rotary holder of the machine tool, and secondly, it also takes a lot of time to form the tapered portion and then perform natural cooling and manual cutting.
Disclosure of Invention
The invention aims at the problems and overcomes at least one defect, and provides a method for processing an optical fiber preform and an optical fiber.
The technical scheme adopted by the invention is as follows:
a method for processing an optical fiber preform, comprising the steps of:
1) Placing the sleeve on the supporting roller, and adjusting the upper position and the lower position of the supporting roller to ensure that the axis of the sleeve is superposed with the axis of the rotary clamping seat;
2) The support rollers rotate to drive the corresponding sleeves to be inserted into the corresponding rotary clamping seats, the sleeves are locked by the rotary clamping seats, and the support rollers move downwards and are not in contact with the sleeves any more;
3) The two sleeves are driven to approach each other by rotating the clamping seat, and the ends of the two sleeves are welded together by heating the sleeves through the blowtorch;
4) Controlling the two rotary clamping seats to be far away from each other, so that the welding ends of the two sleeves form hollow conical structures which are connected with each other;
5) Cooling the hollow conical structures in an air cooling mode, and cutting off the joints of the two hollow conical structures after the hollow conical structures are cooled to a set temperature;
6) And (3) pickling and drying the sleeve, inserting the core rod into the sleeve, and enabling the end part of the core rod to be located at the conical structure to form the preform.
According to the sleeve pipe clamping device, the sleeve pipe is conveyed through the supporting idler wheels which can be adjusted up and down, so that the sleeve pipe can be conveniently and quickly inserted into the rotary clamping seat, and the sleeve pipe can be quickly separated from the rotary clamping seat after the sleeve pipe is machined; the cooling of the hollow conical structure can be accelerated in an air cooling mode; compared with the prior art, the machining method can effectively improve machining efficiency.
In one embodiment of the present invention, the steps 1) to 5) are implemented by a tapering apparatus, where the tapering apparatus includes:
a frame;
the two rotary clamping seats are slidably mounted on the rack and used for clamping the sleeve and driving the sleeve to rotate, and the rotary clamping seats can reciprocate along the length direction of the base frame;
the blowtorch is slidably mounted on the frame, can reciprocate along the length direction of the base frame and is used for heating the sleeve;
the conveying mechanism is used for conveying the sleeve into the corresponding rotary clamping seat and moving the sleeve out of the rotary clamping seat; and
the cooling cutting mechanism is positioned between the two rotary clamping seats and is used for cooling and cutting the processed hollow conical structure;
the conveying mechanism includes:
the first mounting frame is arranged on one side of the rack and can move up and down;
the supporting rollers are rotatably arranged on the first mounting frame and are used for supporting and limiting the sleeve;
the driving motor is used for driving the supporting roller to rotate;
the lifting element is connected with the first mounting rack and used for driving the first mounting rack to move up and down, the first mounting rack is provided with a conveying working position and an avoiding working position, the axis of the sleeve placed on the supporting roller coincides with the axis of the rotary clamping seat when the conveying working position is carried, the first mounting rack moves down when the avoiding working position is carried, and the rotary clamping seat does not interfere with the conveying mechanism when moving.
During actual operation, the worker places the sleeve pipe on one side of first mounting bracket, which is far away from the corresponding rotary clamping seat, then lifting element works, the first mounting bracket rises, the axis of the sleeve pipe is basically coincided with the axis of the rotary clamping seat, the driving motor works to drive the supporting roller to rotate, the supporting roller drives the sleeve pipe to move to one side of the rotary clamping seat, after the sleeve pipe is moved in place, the lifting element resets, the first mounting bracket is driven to move downwards, and then the sleeve pipe is locked by the rotary clamping seat. After the processing is finished, the sleeve is not locked by the rotary clamping seat, the lifting element works, the first mounting frame rises to enable the supporting roller to be in contact with the sleeve, the supporting roller rotates, and the sleeve is moved out of the rotary clamping seat.
In one embodiment of the present invention, the supporting roller has an annular groove matching with the sidewall of the sleeve.
The design of the annular groove can increase the contact surface, and can effectively limit the sleeve, and prevent the sleeve from being separated from the conveying mechanism along the radial direction.
In one embodiment of the present invention, the cooling and cutting mechanism includes:
the second mounting frame is positioned between the two rotary clamping seats and can horizontally move;
the air outlet head is used for blowing air to the hollow conical structure;
the first temperature sensor is arranged on the second mounting frame and used for measuring the temperature of the hollow conical structure;
the electric cutter is arranged on the second mounting rack and is used for cutting the hollow conical structure;
and the telescopic element is used for driving the second mounting frame to be far away from and close to the sleeve.
After the tapering operation is completed, the telescopic element works to enable the second mounting frame to be close to the hollow conical structure, the air outlet head blows air to the hollow conical structure for cooling, when the first temperature sensor measures that the hollow conical structure is cooled to a set temperature (for example, below 25 ℃), the electric cutter works, and the telescopic element further drives the second mounting frame to move to enable the electric cutter to be in contact with the hollow conical structure for cutting operation.
In one embodiment of the present invention, the cooling and cutting mechanism further includes:
the heating element is arranged on the mounting frame, and an air inlet channel of the air outlet head passes through the heating element;
and the second temperature sensor is arranged on the air outlet head and used for measuring the air outlet temperature.
When the hollow conical structure is just processed, the temperature of the hollow conical structure is high, the temperature of air blowing can be controlled by arranging the heating element and the second temperature sensor, and the hollow conical structure is prevented from cracking due to sudden temperature drop. Namely, the hollow conical structure is gradually cooled by hot air, and the temperature of the air blowing can be gradually reduced according to the temperature of the hollow conical structure measured by the first temperature sensor until the heating element does not work any more, and the hollow conical structure is cooled by air at room temperature.
In an embodiment of the present invention, the tapering device further includes a measuring ring disposed on two sides of the rotating clamping seat, a plurality of distance sensors are mounted at equal intervals on an inner side of the measuring ring, and the distance sensors are used for measuring a distance between the measuring ring and an outer sidewall of the casing.
The sleeve pipe can be earlier through surveying the ring before inserting rotatory cassette, and the internal diameter of surveying the ring is greater than the biggest internal diameter of rotatory cassette, and the surplus is great, can survey the eccentric degree of the upper and lower position of department's sleeve pipe through a plurality of distance sensor to position accuracy about making the sleeve pipe through adjusting elevating element, prevent that the sleeve pipe from hitting the tip at rotatory cassette.
In an embodiment of the present invention, the tapering apparatus further includes a transfer mechanism cooperating with the conveying mechanism, the transfer mechanism includes two transfer assemblies respectively disposed at two sides of the conveying mechanism, and the transfer assemblies include:
the third mounting frame can rotate and is provided with a butt joint working position in butt joint with the conveying mechanism;
a plurality of support rollers arranged in parallel at intervals, wherein the support rollers are rotatably arranged on the third mounting frame and are used for supporting and limiting the sleeve;
the driving motor is used for driving the supporting roller to rotate;
and the rotating element is connected with the third mounting rack and used for driving the third mounting rack to rotate.
More efficient operation can be realized through setting up the transfer subassembly, and during the actual use, the third mounting bracket of one of them transfer subassembly is used for placing the sleeve pipe of treating processing, and the third mounting bracket of another transfer subassembly is used for accepting the sleeve pipe that comes from conveying mechanism processing, through two transfer subassemblies that set up respectively in conveying mechanism both sides, can realize high-efficient switching, effectively improves machining efficiency.
In one embodiment of the present invention, the rotating element is a motor.
In one embodiment of the present invention, the lifting element is an electric push rod or a hydraulic cylinder.
The application also discloses an optical fiber obtained by drawing the optical fiber preform, wherein the optical fiber preform is manufactured by the processing method of the optical fiber preform.
The invention has the beneficial effects that: according to the sleeve pipe clamping device, the sleeve pipe is conveyed through the supporting idler wheels which can be adjusted up and down, so that the sleeve pipe can be conveniently and quickly inserted into the rotary clamping seat, and the sleeve pipe can be quickly separated from the rotary clamping seat after the sleeve pipe is machined; the cooling of the hollow conical structure can be accelerated in an air cooling mode; compared with the prior art, the machining method can effectively improve machining efficiency.
Description of the drawings:
FIG. 1 is a schematic view of a partial structure of a tapering apparatus according to embodiment 1;
FIG. 2 is an enlarged view at A of FIG. 1;
FIG. 3 is a schematic view of a partial structure of a tapering apparatus according to embodiment 2.
The figures are numbered:
1. a sleeve; 2. supporting the rollers; 3. rotating the card holder; 4. a conveying mechanism; 5. a cooling cutting mechanism; 6. a first mounting bracket; 7. a lifting element; 8. a second mounting bracket; 9. an air outlet head; 10. a first temperature sensor; 11. an electric cutter; 12. a telescopic element; 13. a measuring ring; 14. a distance sensor; 15. a transfer assembly; 16. a third mounting bracket; 17. a rotating element.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, a method for fabricating an optical fiber preform includes the steps of:
1) Placing the sleeve 1 on the supporting roller 2, and adjusting the upper and lower positions of the supporting roller 2 to enable the axis of the sleeve 1 to be superposed with the axis of the rotary clamping seat 3;
2) The supporting rollers 2 rotate to drive the corresponding sleeves 1 to be inserted into the corresponding rotary clamping seats 3, the rotary clamping seats 3 lock the sleeves 1, and the supporting rollers 2 move downwards and are not in contact with the sleeves 1 any more;
3) The two sleeves 1 are driven to approach each other by rotating the clamping seat 3, and the ends of the two sleeves 1 are welded together by heating the sleeves 1 through the blast lamps;
4) Controlling the two rotary clamping seats 3 to be away from each other, so that the welding ends of the two sleeves 1 form mutually connected hollow conical structures;
5) Cooling the hollow conical structures in an air cooling mode, and cutting off the joints of the two hollow conical structures after the hollow conical structures are cooled to a set temperature;
6) The sleeve 1 is acid washed and dried, and the core rod is inserted into the sleeve 1 so that the end of the core rod is positioned at the tapered structure to form a preform.
According to the sleeve conveying device, the sleeve 1 is conveyed through the supporting roller 2 which can be adjusted up and down, so that the sleeve 1 can be conveniently and quickly inserted into the rotary clamping seat 3, and the sleeve 1 can be quickly separated from the rotary clamping seat 3 after machining is finished; the cooling of the hollow conical structure can be accelerated in an air cooling mode; compared with the prior art, the machining method can effectively improve machining efficiency.
As shown in fig. 1 and 2, steps 1) to 5) are implemented by a tapering device, which mainly comprises:
a frame (not shown in the drawings);
the two rotary clamping seats 3 are slidably mounted on the rack and used for clamping the sleeve 1 and driving the sleeve 1 to rotate, and the rotary clamping seats 3 can reciprocate along the length direction of the base frame;
a torch (not shown) slidably mounted on the frame and capable of reciprocating along the length direction of the base frame, for heating the sleeve 1;
the conveying mechanism 4 is used for conveying the sleeve 1 into the corresponding rotary clamping seat 3 and removing the sleeve 1 from the rotary clamping seat 3; and
the cooling cutting mechanism 5 is positioned between the two rotary clamping seats 3 and is used for cooling and cutting the processed hollow conical structure;
the conveying mechanism 4 includes:
the first mounting frame 6 is arranged on one side of the rack and can move up and down;
a plurality of support rollers 2 arranged in parallel at intervals, the support rollers 2 being rotatably mounted on a first mounting frame 6 for supporting and defining the casing 1;
a driving motor (not shown in the figures) for driving the supporting roller 2 to rotate;
the lifting element 7 is connected with the first mounting frame 6 and used for driving the first mounting frame 6 to move up and down, the first mounting frame 6 is provided with a conveying working position and an avoiding working position, when the conveying working position is carried, the axis of the sleeve 1 placed on the supporting roller 2 coincides with the axis of the rotary clamping seat 3, when the avoiding working position is avoided, the first mounting frame 6 moves downwards, and the rotary clamping seat 3 does not interfere with the conveying mechanism 4 when moving.
During actual operation, the worker places sleeve pipe 1 in one side of first mounting bracket 6 keeping away from corresponding rotatory cassette 3, then lifting element 7 work, first mounting bracket 6 rises, make the axis of sleeve pipe 1 and the basic coincidence of the axis of rotatory cassette 3, driving motor work drive supporting roller 2 rotates, supporting roller 2 drives sleeve pipe 1 and removes to rotatory cassette 3 one side, remove the back that targets in place, lifting element 7 resets, drive first mounting bracket 6 and move down, then rotatory cassette 3 locking sleeve pipe 1. After the processing is finished, the rotating clamping seat 3 does not lock the sleeve 1 any more, the lifting element 7 works, the first mounting frame 6 rises to enable the supporting roller 2 to be in contact with the sleeve 1, the supporting roller 2 rotates, and the sleeve 1 is moved out of the rotating clamping seat 3.
In practice, the support rollers 2 preferably have an annular groove that engages the side wall of the sleeve 1. The design of the annular groove can increase the contact surface and can effectively limit the sleeve 1 and prevent the sleeve 1 from radially separating from the delivery mechanism 4.
In the present embodiment, the cooling and cutting mechanism 5 includes:
the second mounting frame 8 is positioned between the two rotary clamping seats 3 and can horizontally move;
an air outlet head 9 for blowing air to the hollow cone-shaped structure;
a first temperature sensor 10 mounted on the second mounting frame 8 for measuring the temperature of the hollow cone-shaped structure;
the electric cutter 11 is arranged on the second mounting rack 8 and is used for cutting the hollow conical structure;
and a telescopic element 12 for driving the second mounting frame 8 away from and close to the casing 1.
After the tapering operation is completed, the telescopic element 12 works to make the second mounting frame 8 close to the hollow conical structure, the air outlet head 9 blows air to the hollow conical structure for cooling, when the first temperature sensor 10 measures that the hollow conical structure is cooled to a set temperature (for example, below 25 ℃), the electric cutter 11 works, and the telescopic element 12 further drives the second mounting frame 8 to move, so that the electric cutter 11 contacts with the hollow conical structure for cutting operation.
In this embodiment, the cooling and cutting mechanism 5 further includes:
a heating element (not shown in the figure) which is arranged on the mounting frame, and an air inlet channel of the air outlet head 9 passes through the heating element;
and a second temperature sensor (not shown) mounted on the air outlet head 9 for measuring the outlet air temperature.
When the hollow conical structure is just processed, the temperature of the hollow conical structure is high, the temperature of air blowing can be controlled by arranging the heating element and the second temperature sensor, and the hollow conical structure is prevented from cracking due to sudden temperature drop. I.e. cooling by hot air, the temperature of the air blast may be gradually reduced according to the temperature of the hollow conical structure measured by the first temperature sensor 10 until the heating element is no longer in operation and the hollow conical structure is cooled by room temperature air.
In this embodiment, the tapering device further includes a measuring ring 13 disposed on both sides of the rotating chuck 3, a plurality of distance sensors 14 are mounted on the inner side of the measuring ring 13 at equal intervals, and the distance sensors 14 are used for measuring the distance between the measuring ring 13 and the outer sidewall of the casing 1.
The sleeve pipe 1 can pass through earlier survey ring 13 before inserting rotatory cassette 3, and the internal diameter of survey ring 13 is greater than the biggest internal diameter of rotatory cassette 3, and the surplus is great, can survey the eccentric degree of department's sleeve pipe 1 upper and lower position through a plurality of distance sensor 14 to make sleeve pipe 1 upper and lower position accurate through adjusting elevating element 7, prevent that sleeve pipe 1 from colliding the tip at rotatory cassette 3.
In the present embodiment, the lifting element 7 is an electric push rod or a hydraulic cylinder.
The application also discloses an optical fiber obtained by drawing the optical fiber preform, wherein the optical fiber preform is manufactured by the processing method of the optical fiber preform.
Example 2
As shown in fig. 3, the present embodiment is different from embodiment 1 in that the tapering device further includes a transfer mechanism cooperating with the conveying mechanism 4, the transfer mechanism includes two transfer assemblies 15 respectively disposed at two sides of the conveying mechanism 4, and the transfer assemblies 15 include:
a third mounting frame 16 capable of rotating and having a butt joint working position for butt joint with the conveying mechanism 4;
a plurality of support rollers 2 arranged in parallel and spaced apart, the support rollers 2 being rotatably mounted on a third mounting frame 16 for supporting and defining the casing 1;
the driving motor is used for driving the supporting roller 2 to rotate;
and the rotating element 17 is connected with the third mounting frame 16 and is used for driving the third mounting frame 16 to rotate.
More efficient operation can be realized through setting up transfer assembly 15, and during the actual application, the third mounting bracket 16 of one of them transfer assembly 15 is used for placing the sleeve pipe 1 of treating processing, and the third mounting bracket 16 of another transfer assembly 15 is used for accepting the sleeve pipe 1 that comes from conveying mechanism 4 and process, through two transfer assemblies 15 that set up respectively in conveying mechanism 4 both sides, can realize high-efficient switching, effectively improve machining efficiency.
In the present embodiment, the rotating element 17 is a motor.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, which are directly or indirectly applied to other related technical fields, are also included in the scope of the present invention.
Claims (8)
1. A method for processing an optical fiber preform, comprising the steps of:
1) Placing the sleeve on the supporting roller, and adjusting the upper position and the lower position of the supporting roller to enable the axis of the sleeve to be superposed with the axis of the rotary clamping seat;
2) The support rollers rotate to drive the corresponding sleeves to be inserted into the corresponding rotary clamping seats, the sleeves are locked by the rotary clamping seats, and the support rollers move downwards and are not in contact with the sleeves any more;
3) The two sleeves are driven to approach each other by rotating the clamping seat, and the ends of the two sleeves are welded together by heating the sleeves through the blowtorch;
4) Controlling the two rotary clamping seats to be far away from each other, so that the welding ends of the two sleeves form mutually connected hollow conical structures;
5) Cooling the hollow conical structures in an air cooling mode, and cutting off the joints of the two hollow conical structures after the hollow conical structures are cooled to a set temperature;
6) Pickling and drying the sleeve, inserting the core rod into the sleeve, and enabling the end part of the core rod to be located at the conical structure to form a prefabricated rod;
the step 1) to the step 5) are implemented through tapering equipment, and the tapering equipment comprises:
a frame;
the two rotary clamping seats are slidably mounted on the rack and used for clamping the sleeve and driving the sleeve to rotate, and the rotary clamping seats can reciprocate along the length direction of the base frame;
the blowtorch is slidably mounted on the frame, can reciprocate along the length direction of the base frame and is used for heating the sleeve;
the conveying mechanism is used for conveying the sleeve into the corresponding rotary clamping seat and removing the sleeve from the rotary clamping seat; and
the cooling cutting mechanism is positioned between the two rotary clamping seats and is used for cooling and cutting the processed hollow conical structure;
the conveying mechanism comprises:
the first mounting frame is arranged on one side of the rack and can move up and down;
the supporting rollers are arranged in parallel at intervals, are rotatably arranged on the first mounting frame and are used for supporting and limiting the sleeve;
the driving motor is used for driving the supporting roller to rotate;
the lifting element is connected with the first mounting frame and used for driving the first mounting frame to move up and down, the first mounting frame is provided with a conveying working position and an avoiding working position, the axis of a sleeve placed on the supporting roller is overlapped with the axis of the rotary clamping seat when the working position is conveyed, the first mounting frame moves down when the working position is avoided, and the rotary clamping seat does not interfere with the conveying mechanism when moving;
the cooling cutting mechanism includes:
the second mounting frame is positioned between the two rotary clamping seats and can horizontally move;
the air outlet head is used for blowing air to the hollow conical structure;
the first temperature sensor is arranged on the second mounting frame and used for measuring the temperature of the hollow conical structure;
the electric cutter is arranged on the second mounting rack and is used for cutting the hollow conical structure;
and the telescopic element is used for driving the second mounting frame to be far away from and close to the sleeve.
2. The method for fabricating an optical fiber preform according to claim 1, wherein the support roller has an annular groove formed thereon for engaging with a sidewall of the sleeve.
3. The method for fabricating an optical fiber preform according to claim 1, wherein the cooling and cutting mechanism further comprises:
the heating element is arranged on the mounting frame, and an air inlet channel of the air outlet head passes through the heating element;
and the second temperature sensor is arranged on the air outlet head and used for measuring the air outlet temperature.
4. The method for fabricating an optical fiber preform according to claim 1, wherein the tapering device further comprises measuring rings disposed at both sides of the rotary chuck, and a plurality of distance sensors are installed at equal intervals inside the measuring rings for measuring a distance between the measuring rings and an outer sidewall of the sleeve.
5. The method for fabricating an optical fiber preform according to claim 1, wherein the tapering device further comprises a transfer mechanism cooperating with the conveying mechanism, the transfer mechanism comprising two transfer units disposed at both sides of the conveying mechanism, respectively, the transfer units comprising:
the third mounting frame can rotate and is provided with a butt joint working position in butt joint with the conveying mechanism;
the supporting rollers are arranged in parallel at intervals, are rotatably arranged on the third mounting frame and are used for supporting and limiting the sleeve;
the driving motor is used for driving the supporting roller to rotate;
and the rotating element is connected with the third mounting rack and is used for driving the third mounting rack to rotate.
6. The method for fabricating an optical fiber preform of claim 5 wherein the rotating member is a motor.
7. The method for fabricating an optical fiber preform according to claim 1, wherein the elevating member is an electric push rod or a hydraulic cylinder.
8. An optical fiber obtained by drawing an optical fiber preform obtained by the method of processing an optical fiber preform according to any one of claims 1~7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111152969.7A CN113860720B (en) | 2021-09-29 | 2021-09-29 | Method for processing optical fiber preform and optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111152969.7A CN113860720B (en) | 2021-09-29 | 2021-09-29 | Method for processing optical fiber preform and optical fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113860720A CN113860720A (en) | 2021-12-31 |
| CN113860720B true CN113860720B (en) | 2023-03-31 |
Family
ID=79000613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111152969.7A Active CN113860720B (en) | 2021-09-29 | 2021-09-29 | Method for processing optical fiber preform and optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113860720B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115403262B (en) * | 2022-08-30 | 2023-06-13 | 富通集团有限公司 | Method and equipment for processing preform |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4726827A (en) * | 1982-09-29 | 1988-02-23 | Corning Glass Works | Method and apparatus for producing an optical fiber preform |
| CN208631875U (en) * | 2018-07-03 | 2019-03-22 | 杭州富通通信技术股份有限公司 | Preform lifting device |
| CN112414581A (en) * | 2020-11-06 | 2021-02-26 | 西安交通大学 | Temperature sensor based on multicore optic fibre |
| CN113264669A (en) * | 2021-06-07 | 2021-08-17 | 杭州富通通信技术股份有限公司 | Processing method of prefabricated rod |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003327440A (en) * | 2002-05-09 | 2003-11-19 | Furukawa Electric Co Ltd:The | Method for manufacturing preform for optical fiber |
| JP5796035B2 (en) * | 2013-04-05 | 2015-10-21 | 株式会社フジクラ | Optical fiber preform for drawing, optical fiber preform for drawing with connector, and drawing method |
| CN112239324B (en) * | 2020-10-23 | 2022-09-20 | 杭州富通通信技术股份有限公司 | Method for processing preform and optical fiber |
| GB202102221D0 (en) * | 2021-02-17 | 2021-03-31 | Lumenisity Ltd | Method for dividing optical fibre |
| CN113354274B (en) * | 2021-06-29 | 2022-08-30 | 杭州富通通信技术股份有限公司 | Method for processing prefabricated rod |
-
2021
- 2021-09-29 CN CN202111152969.7A patent/CN113860720B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4726827A (en) * | 1982-09-29 | 1988-02-23 | Corning Glass Works | Method and apparatus for producing an optical fiber preform |
| CN208631875U (en) * | 2018-07-03 | 2019-03-22 | 杭州富通通信技术股份有限公司 | Preform lifting device |
| CN112414581A (en) * | 2020-11-06 | 2021-02-26 | 西安交通大学 | Temperature sensor based on multicore optic fibre |
| CN113264669A (en) * | 2021-06-07 | 2021-08-17 | 杭州富通通信技术股份有限公司 | Processing method of prefabricated rod |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113860720A (en) | 2021-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113860720B (en) | Method for processing optical fiber preform and optical fiber | |
| CN108380768B (en) | Full-automatic pipe expanding forming machine for compressor shell | |
| CA1086103A (en) | Method and apparatus for fabricating pipe centralizer or the like | |
| CN108544051B (en) | Flame welding device for welding exhaust pipe of refrigeration compressor | |
| CN109093204B (en) | Automatic pipe fitting groove machining equipment and machining method | |
| CN111229896B (en) | Fault detection air duct flanging equipment of axial flow fan | |
| CN112756757A (en) | Resistance welding method for automatically welding inner end of steel coil | |
| CN204640565U (en) | Optical glass bar groover | |
| CN114985293B (en) | High-efficiency shaft workpiece processing equipment | |
| CN105014223A (en) | Full-automatic high-frequency welding machine and welding method thereof | |
| CN220128058U (en) | Transfer press-fitting device and press-fitting equipment | |
| CN113998879B (en) | Manufacturing method of preform and optical fiber | |
| CN219253905U (en) | Metal tube spinning sealing machine | |
| CN113735433A (en) | Fusion splicing equipment for manufacturing optical fibers | |
| CN116412774A (en) | VAD core rod bow curvature calibration equipment | |
| CN116460795A (en) | Press mounting equipment | |
| CN115026387B (en) | Semiautomatic welding equipment for gravure plate roller with shaft and clamping welding method thereof | |
| CN114799930B (en) | Spring automatic high-efficiency manufacturing production line and process | |
| CN113798797B (en) | Production system and recycling method of steel structure fixing fastener of engineering auxiliary facility | |
| CN211438685U (en) | Welding equipment for half-axle sleeve and axle housing body | |
| CN210147222U (en) | Automatic resistance welding gun for welding inner end of steel coil | |
| CN107649543B (en) | Intelligent gun barrel correction system | |
| CN206170367U (en) | Glass manages processingequipment | |
| CN117259465B (en) | Positioning device for tungsten-molybdenum wire drawing machine | |
| CN220943200U (en) | Turning system suitable for fork processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |