CN108249752A - The manufacturing method of optical fiber - Google Patents
The manufacturing method of optical fiber Download PDFInfo
- Publication number
- CN108249752A CN108249752A CN201711395679.9A CN201711395679A CN108249752A CN 108249752 A CN108249752 A CN 108249752A CN 201711395679 A CN201711395679 A CN 201711395679A CN 108249752 A CN108249752 A CN 108249752A
- Authority
- CN
- China
- Prior art keywords
- prefabricated rods
- blowtorch
- lamp holder
- manufacturing
- optical fiber
- 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.)
- Granted
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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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B25/00—Annealing glass products
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses a kind of manufacturing methods of optical fiber, include the following steps：1) by an auxiliary rod welding in one end of prefabricated rods：2) auxiliary rod is clamped, it is in vertical shape to make prefabricated rods；3) axis direction of the control flame along prefabricated rods and the circumferential direction along prefabricated rods move back and forth, and the high temperature anneal is carried out to prefabricated rods；4) wire-drawing process is carried out to the prefabricated rods after the high temperature anneal.Relative to existing manufacturing method, the present invention is by controlling flame to carry out the high temperature anneal to prefabricated rods along the axis direction of prefabricated rods and along circumferential move back and forth of prefabricated rods, prefabricated rods do not need to two chuck clampings, therefore piece auxiliary rod of welding is only needed, the effective process simplification of the present invention, improves processing efficiency.
Description
It is on 03 31st, 2016 that the application, which is the applying date, application No. is 201610195244.9, entitled " optical fiber
Manufacturing method " divisional application.
Technical field
The present invention relates to field fibers, and in particular to the manufacturing method of optical fiber.
Background technology
It in fiber manufacturing, needs to carry out flame grinding operation to prefabricated rods before wire-drawing process, fire is being carried out to prefabricated rods
Before flame grinding, piece auxiliary rod of welding is distinguished at the both ends of prefabricated rods, latter two right chuck clamps corresponding auxiliary rod respectively, and two
When a chuck is rotated with identical speed, prefabricated rods and auxiliary rod rotation are driven, prefabricated rods are carried out by moveable blowtorch
High temperature sintering, blowtorch use hydrogen and oxygen as fuel, and when burning generates 2300 DEG C or so of high temperature, can remove prefabricated rods
The impurity and dust on surface, the interior internal stress originally unevenly distributed of release prefabricated rods, are cured the blind crack on prefabricated rods surface
It closes, avoids occurring disconnected fibre in drawing process.After flame grinding, before wire-drawing process is carried out, need a wherein auxiliary rod
Fusing, a remaining auxiliary rod are used to coordinate with the fixture of wire-drawing equipment, play clamped effect.
Above-mentioned manufacturing process has following defect：Two auxiliary rods of welding are needed before flame grinding, are needed after flame grinding
It will wherein an auxiliary rod fuse, whole process is complicated, and time-consuming, less efficient.
Invention content
The present invention is in view of the above-mentioned problems, propose a kind of manufacturing method of optical fiber.Existing manufacturing method is solved because of elder generation
It fuses after two auxiliary rods of welding caused by an auxiliary rod complex procedures, the problem of time-consuming, processing efficiency is relatively low.
The technical solution that the present invention takes is as follows：
A kind of manufacturing method of optical fiber, includes the following steps：
1) by an auxiliary rod welding in one end of prefabricated rods；
2) auxiliary rod is clamped, it is in vertical shape to make prefabricated rods；
3) axis direction of the control flame along prefabricated rods and the circumferential direction along prefabricated rods move back and forth, and prefabricated rods are carried out high
Temperature annealing；
4) wire-drawing process is carried out to the prefabricated rods after the high temperature anneal.
In existing manufacturing method, prefabricated rods is driven to rotate by two chucks, then blowtorch only need to be along prefabricated rods axis side
The high temperature anneal is can be carried out to reciprocating motion.Relative to existing manufacturing method, the present invention is by controlling flame along prefabricated
The axis direction of stick and the high temperature anneal is carried out to prefabricated rods along circumferential move back and forth of prefabricated rods, prefabricated rods do not need to two
A chuck clamping, therefore piece auxiliary rod of welding is only needed, the effective process simplification of the present invention improves processing efficiency.
Prefabricated rods can not rotate during practice, in order to further improve the uniformity of flame heating, optionally, step
3) in, while flame movement is controlled, control prefabricated rods are rotated along own axes direction, prefabricated rods velocity of rotation for 5~
15r/min。
Optionally, the step 3) is operated by flame milling apparatus, and the flame milling apparatus includes：
Pedestal；
Holding frame is fixed on the pedestal, and the top of holding frame is equipped with the chuck for clamping auxiliary rod, the chuck
Axis vertical setting；
Two Mobile bases, are slidably mounted on the pedestal, and two Mobile bases are located at the both sides of holding frame respectively；
First driving mechanism, for driving Mobile base closer or far from the holding frame；
Blowtorch lamp holder, is slidably mounted on Mobile base, and being equipped on blowtorch lamp holder can be around a vertical axis reciprocating rotation
Blowtorch；
Second driving mechanism, for blowtorch lamp holder to be driven to move back and forth up and down.
When flame milling apparatus works, auxiliary rod is clamped by holding frame, it is in vertical shape to make prefabricated rods；It is driven by first
Motivation structure drives Mobile base to shift to holding frame, and two blowtorch lamp holders is made to be located at prefabricated rods both sides respectively；Pass through the second driving mechanism
Move back and forth up and down blowtorch lamp holder, while blowtorch is around a vertical axis reciprocating rotation.
Optionally, the blowtorch lamp holder includes：
Lamp holder body, lamp holder body have a curved wall adjacent to the side of holding frame, and the upper surface of lamp holder body is neighbouring
The part tool of curved wall is there are two the circular groove being spaced apart, and neighbouring curved wall is the first arc groove, far
It is the second arc groove from curved wall, the axis of the side wall of two circular grooves coincides, first arc groove
Madial wall is equipped with rack；
Blast burner frame is equipped with motor, and the output shaft of the motor is coordinated by gear and the rack, the blowtorch installation
On Blast burner frame；
Gag lever post, one end are relatively fixed with Blast burner frame, and the other end is stretched into second arc groove.
There are four the arc-shaped side walls of the circular groove of each lamp holder body, and the axis of four arc-shaped side walls overlaps；
The axis of side wall refers to that line that the distance of the poly- straight line in the position of each point on side wall is equal.This structure of blowtorch lamp holder
Form enables Blast burner frame to move reciprocatingly along the first arc groove, so as to drive blowtorch along the circumferential reciprocal fortune of prefabricated rods
Dynamic, two blowtorch lamp holders cooperate, and can realize the high temperature anneal operation in prefabricated rods circumferential direction.
Optionally, first driving mechanism and the second driving mechanism are cylinder.
Optionally, be fixed with the limited block coordinated with Mobile base on the pedestal, the limited block be arranged on Mobile base with
Between holding frame.
By set limited block can, limit the position of Mobile base, prevent blowtorch lamp holder from reclining with prefabricated rods.
Optionally, flame milling apparatus further includes the third driving mechanism for driving the chuck rotation.
The slow rotation of prefabricated rods is carried out during practical operation by third driving mechanism.
The beneficial effects of the invention are as follows：By the way that flame is controlled to yearn for along the axis direction of prefabricated rods and along the week of prefabricated rods
Multiple movement carries out the high temperature anneal to prefabricated rods, and prefabricated rods do not need to two chuck clampings, therefore only needs piece auxiliary of welding
Stick, the present invention are effectively simplified technical process, improve processing efficiency.
Description of the drawings：
Fig. 1 is the flow chart of the manufacturing method of optical fiber of the present invention；
Fig. 2 is the structure diagram of flame milling apparatus；
Fig. 3 is the enlarged drawing at A in Fig. 2.
Each reference numeral is in figure：
1st, pedestal, the 2, first driving mechanism, 3, Mobile base, 4, limited block, 5, blowtorch lamp holder, the 6, second driving mechanism, 7,
Holding frame, 8, chuck, 9, auxiliary rod, 10, prefabricated rods, 11, lamp holder body, the 12, second arc groove, 13, gear, 14, limiting
Bar, the 15, first arc groove, 16, Blast burner frame, 17, blowtorch, 18, curved wall.
Specific embodiment：
With reference to each attached drawing, the present invention is described in detail.
As shown in Figure 1, present embodiment discloses a kind of manufacturing method of optical fiber, include the following steps：
1) by an auxiliary rod welding in one end of prefabricated rods；
2) auxiliary rod is clamped, it is in vertical shape to make prefabricated rods；
3) axis direction of the control flame along prefabricated rods and the circumferential direction along prefabricated rods move back and forth, and prefabricated rods are carried out high
Temperature annealing；
4) wire-drawing process is carried out to the prefabricated rods after the high temperature anneal.
In existing manufacturing method, prefabricated rods is driven to rotate by two chucks, then blowtorch only need to be along prefabricated rods axis side
The high temperature anneal is can be carried out to reciprocating motion.Relative to existing manufacturing method, the present invention is by controlling flame along prefabricated
The axis direction of stick and the high temperature anneal is carried out to prefabricated rods along circumferential move back and forth of prefabricated rods, prefabricated rods do not need to two
A chuck clamping, therefore piece auxiliary rod of welding is only needed, the effective process simplification of the present invention improves processing efficiency.
Prefabricated rods can not rotate, when practice, in order to further improve the uniformity of flame heating, step 3)
In, while flame movement is controlled, control prefabricated rods are slowly rotated along own axes direction, and prefabricated rods velocity of rotation is 5
~15r/min.
The present embodiment step 3) is operated by flame milling apparatus, and as shown in Figures 2 and 3, flame milling apparatus includes：
Pedestal 1；
Holding frame 7, is fixed on pedestal, and the top of holding frame is equipped with the chuck 8 for clamping auxiliary rod 9, the axis of chuck
Line is vertically arranged；
Two Mobile bases 3, are slidably mounted on pedestal 1, and two Mobile bases are located at the both sides of holding frame 7 respectively；
First driving mechanism 2, for driving Mobile base 3 closer or far from holding frame 7；
Blowtorch lamp holder 5 is slidably mounted on Mobile base 3, and being equipped on blowtorch lamp holder 5 can be around a vertical axis reciprocating rotary
Dynamic blowtorch 17；
Second driving mechanism 6, for blowtorch lamp holder to be driven to move back and forth up and down.
In this present embodiment, blowtorch lamp holder 5 includes：
Lamp holder body 11, lamp holder body have a curved wall 18, the upper surface of lamp holder body adjacent to the side of holding frame
The part tool of neighbouring curved wall is there are two the circular groove being spaced apart, and neighbouring curved wall is the first arc groove
15, it is the second arc groove 12 far from curved wall, the axis of the side wall of two circular grooves coincides, and the first arc is recessed
Slot madial wall is equipped with rack；
Blast burner frame 16 is equipped with motor, and the output shaft of motor is coordinated by gear 13 and rack, and blowtorch 17 is mounted on blowtorch
On frame 16；
Gag lever post 14, one end are relatively fixed with Blast burner frame 16, and the other end is stretched into the second arc groove 12.
There are four the arc-shaped side walls of each lamp holder body circular groove, and the axis of four arc-shaped side walls overlaps；Side
The axis of wall refers to that line that the distance of the poly- straight line in the position of each point on side wall is equal.This structure shape of blowtorch lamp holder
Formula enables Blast burner frame to move reciprocatingly along the first arc groove, so as to which blowtorch be driven circumferentially to be moved back and forth along prefabricated rods,
Two blowtorch lamp holders cooperate, and can realize the high temperature anneal operation in prefabricated rods circumferential direction.
In this present embodiment, the first driving mechanism 2 and the second driving mechanism 6 are cylinder.It is fixed on pedestal 1 and movement
The limited block 4 of seat cooperation, limited block is arranged between Mobile base and holding frame.By set limited block can, limit Mobile base
Position, prevent blowtorch lamp holder from reclining with prefabricated rods.
In this present embodiment, flame milling apparatus further includes the third driving mechanism of driving chuck rotation.During practical operation
The slow rotation of prefabricated rods is carried out by third driving mechanism.
During the flame milling apparatus work of the present embodiment, auxiliary rod is clamped by holding frame, it is in vertical shape to make prefabricated rods；
Mobile base is driven to shift to holding frame by the first driving mechanism, two blowtorch lamp holders is made to be located at prefabricated rods both sides respectively；Pass through
Two driving mechanisms move back and forth up and down blowtorch lamp holder, while motor is operated under the cooperation of gag lever post and the second arc groove,
Blowtorch can move towards reciprocating rotation along the first arc groove, and the high temperature anneal is carried out to prefabricated rods 10.
It these are only the preferred embodiment of the present invention, not thereby limit the scope of patent protection of the present invention, every fortune
The equivalent structure transformation made with description of the invention and accompanying drawing content is directly or indirectly used in other relevant technology necks
Domain similarly includes within the scope of the present invention.
Claims (7)
1. a kind of manufacturing method of optical fiber, which is characterized in that include the following steps：
1) by an auxiliary rod welding in one end of prefabricated rods；
2) auxiliary rod is clamped, it is in vertical shape to make prefabricated rods；
3) axis direction of the control flame along prefabricated rods and the circumferential direction along prefabricated rods move back and forth, and carrying out high temperature to prefabricated rods moves back
Fire processing；
4) wire-drawing process is carried out to the prefabricated rods after the high temperature anneal.
2. the manufacturing method of optical fiber as described in claim 1, which is characterized in that in step 3), in the same of control flame movement
When, control prefabricated rods are rotated along own axes direction, and prefabricated rods velocity of rotation is 5~15r/min.
3. the manufacturing method of optical fiber as described in claim 1, which is characterized in that the step 3) by flame milling apparatus into
Row operation, the flame milling apparatus include：
Pedestal；
Holding frame is fixed on the pedestal, and the top of holding frame is equipped with the chuck for clamping auxiliary rod, the axis of the chuck
Line is vertically arranged；
Two Mobile bases, are slidably mounted on the pedestal, and two Mobile bases are located at the both sides of holding frame respectively；
First driving mechanism, for driving Mobile base closer or far from the holding frame；
Blowtorch lamp holder, is slidably mounted on Mobile base, and being equipped on blowtorch lamp holder can be around the blowtorch of a vertical axis reciprocating rotation；
Second driving mechanism, for blowtorch lamp holder to be driven to move back and forth up and down.
4. the manufacturing method of optical fiber as claimed in claim 3, which is characterized in that the blowtorch lamp holder includes：
Lamp holder body, lamp holder body have a curved wall adjacent to the side of holding frame, and the upper surface of lamp holder body is adjacent to arc
The part tool of side wall is there are two the circular groove being spaced apart, and neighbouring curved wall is the first arc groove, far from arc
Shape side wall is the second arc groove, and the axis of the side wall of two circular grooves coincides, on the inside of first arc groove
Wall is equipped with rack；
Blast burner frame is equipped with motor, and the output shaft of the motor is coordinated by gear and the rack, and the blowtorch is mounted on spray
On lamp bracket；
Gag lever post, one end are relatively fixed with Blast burner frame, and the other end is stretched into second arc groove.
5. the manufacturing method of optical fiber as claimed in claim 3, which is characterized in that first driving mechanism and the second driving machine
Structure is cylinder.
6. the manufacturing method of optical fiber as claimed in claim 3, which is characterized in that be fixed on the pedestal and coordinate with Mobile base
Limited block, the limited block is arranged between Mobile base and holding frame.
7. the manufacturing method of optical fiber as claimed in claim 3, which is characterized in that flame milling apparatus further includes the driving card
The third driving mechanism of disk rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395679.9A CN108249752B (en) | 2016-03-31 | 2016-03-31 | Method for manufacturing optical fiber |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610195244.9A CN105776837B (en) | 2016-03-31 | 2016-03-31 | The manufacture method of optical fiber |
| CN201711395679.9A CN108249752B (en) | 2016-03-31 | 2016-03-31 | Method for manufacturing optical fiber |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610195244.9A Division CN105776837B (en) | 2016-03-31 | 2016-03-31 | The manufacture method of optical fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108249752A true CN108249752A (en) | 2018-07-06 |
| CN108249752B CN108249752B (en) | 2020-07-03 |
Family
ID=56395442
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610195244.9A Active CN105776837B (en) | 2016-03-31 | 2016-03-31 | The manufacture method of optical fiber |
| CN201711395679.9A Active CN108249752B (en) | 2016-03-31 | 2016-03-31 | Method for manufacturing optical fiber |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610195244.9A Active CN105776837B (en) | 2016-03-31 | 2016-03-31 | The manufacture method of optical fiber |
Country Status (1)
| Country | Link |
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| CN (2) | CN105776837B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112479584A (en) * | 2020-11-30 | 2021-03-12 | 浙江富通光纤技术有限公司 | Method for manufacturing optical fiber |
| CN113735433A (en) * | 2018-08-08 | 2021-12-03 | 杭州富通通信技术股份有限公司 | Fusion splicing equipment for manufacturing optical fibers |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881365B (en) * | 2017-02-27 | 2018-10-12 | 天津富通集团有限公司 | Prefabricated rods processing method |
| CN108129012A (en) * | 2018-01-25 | 2018-06-08 | 江苏通鼎光棒有限公司 | A kind of Gua Bang mechanisms for preform annealing device |
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|---|---|---|---|---|
| CN1096013A (en) * | 1993-02-22 | 1994-12-07 | 住友电气工业株式会社 | The method for flame abrasion of glass preform |
| JPH11292554A (en) * | 1998-01-08 | 1999-10-26 | Alcatel Cit | Device for butt-welding optical fiber preforms to each other |
| CN1597582A (en) * | 2003-09-18 | 2005-03-23 | 三星电子株式会社 | Apparatus and method for manufacturing optical fiber preformrod |
| CN105084753A (en) * | 2015-08-17 | 2015-11-25 | 浙江富通光纤技术有限公司 | Wire drawing pretreatment device and method of optical fiber preform |
| CN205115284U (en) * | 2015-11-16 | 2016-03-30 | 江苏通鼎光棒有限公司 | Device of protection blowtorch guide rail in OVD deposition process |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2553791B2 (en) * | 1991-07-26 | 1996-11-13 | 住友電気工業株式会社 | Method for flame-polishing glass base material |
| US7486862B2 (en) * | 2003-05-19 | 2009-02-03 | Sumitomo Electric Industries, Ltd. | Optical fiber and manufacturing method thereof |
| KR100566223B1 (en) * | 2004-01-06 | 2006-03-29 | 삼성전자주식회사 | Furnace for optical fiber and preform method thereof |
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2016
- 2016-03-31 CN CN201610195244.9A patent/CN105776837B/en active Active
- 2016-03-31 CN CN201711395679.9A patent/CN108249752B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1096013A (en) * | 1993-02-22 | 1994-12-07 | 住友电气工业株式会社 | The method for flame abrasion of glass preform |
| JPH11292554A (en) * | 1998-01-08 | 1999-10-26 | Alcatel Cit | Device for butt-welding optical fiber preforms to each other |
| CN1597582A (en) * | 2003-09-18 | 2005-03-23 | 三星电子株式会社 | Apparatus and method for manufacturing optical fiber preformrod |
| CN105084753A (en) * | 2015-08-17 | 2015-11-25 | 浙江富通光纤技术有限公司 | Wire drawing pretreatment device and method of optical fiber preform |
| CN205115284U (en) * | 2015-11-16 | 2016-03-30 | 江苏通鼎光棒有限公司 | Device of protection blowtorch guide rail in OVD deposition process |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113735433A (en) * | 2018-08-08 | 2021-12-03 | 杭州富通通信技术股份有限公司 | Fusion splicing equipment for manufacturing optical fibers |
| CN112479584A (en) * | 2020-11-30 | 2021-03-12 | 浙江富通光纤技术有限公司 | Method for manufacturing optical fiber |
| CN112479584B (en) * | 2020-11-30 | 2022-07-15 | 浙江富通光纤技术有限公司 | Method for manufacturing optical fiber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108249752B (en) | 2020-07-03 |
| CN105776837A (en) | 2016-07-20 |
| CN105776837B (en) | 2018-03-09 |
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Effective date of registration: 20221021 Address after: 311400 No. 18, Guanyi Road, Fuchun street, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Futong Group Co.,Ltd. Address before: 311400 Yinhu Development Zone, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU FUTONG COMMUNICATION TECHNOLOGY Co.,Ltd. |
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