CN108249752B - Method for manufacturing optical fiber - Google Patents
Method for manufacturing optical fiber Download PDFInfo
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- CN108249752B CN108249752B CN201711395679.9A CN201711395679A CN108249752B CN 108249752 B CN108249752 B CN 108249752B CN 201711395679 A CN201711395679 A CN 201711395679A CN 108249752 B CN108249752 B CN 108249752B
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- rod
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- prefabricated
- lamp holder
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—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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- 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)
- Heat Treatment Of Articles (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
The invention discloses a manufacturing method of an optical fiber, which comprises the following steps: 1) welding an auxiliary rod to one end of the preform: 2) clamping the auxiliary rod to make the prefabricated rod in vertical shape; 3) controlling the flame to reciprocate along the axial direction of the prefabricated rod and the circumferential direction of the prefabricated rod, and carrying out high-temperature annealing treatment on the prefabricated rod; 4) and performing a wire drawing process on the preform subjected to the high-temperature annealing treatment. Compared with the existing manufacturing method, the high-temperature annealing treatment is carried out on the prefabricated rod by controlling the flame to reciprocate along the axial direction of the prefabricated rod and along the circumferential direction of the prefabricated rod, and the prefabricated rod does not need to be clamped by two chucks, so that only one auxiliary rod needs to be welded.
Description
The present application is filed on a separate filing date of 2016, 03/31/201610195244.9 entitled "method for producing optical fiber".
Technical Field
The invention relates to the field of optical fibers, in particular to a manufacturing method of an optical fiber.
Background
During optical fiber manufacturing, need carry out the flame grinding operation to the prefabricated stick before the wire drawing process, before carrying out the flame grinding to the prefabricated stick, an auxiliary rod of butt fusion respectively at the both ends of prefabricated stick, then two chucks the auxiliary rod that the centre gripping corresponds respectively, when two chucks rotated with the same speed, drive prefabricated stick and auxiliary rod and rotate, carry out the high temperature firing to the prefabricated stick through mobilizable blowtorch, the blowtorch uses hydrogen and oxygen as fuel, produce the high temperature about 2300 ℃ during the burning, can clear away prefabricated stick surface's impurity and dust, originally the inhomogeneous internal stress that distributes in the release prefabricated stick, make the slight crackle healing on prefabricated stick surface, avoid appearing disconnected fine at the wire drawing in-process. After flame grinding, before the wire drawing process, one of the auxiliary rods needs to be fused, and the rest auxiliary rod is used for being matched with a clamp of the wire drawing equipment to play a role in being clamped.
The above manufacturing process has the following drawbacks: two auxiliary rods need to be welded before flame grinding, one of the auxiliary rods needs to be fused after flame grinding, the whole process is complex, the consumed time is long, and the efficiency is low.
Disclosure of Invention
The present invention addresses the above-mentioned problems and provides a method of manufacturing an optical fiber. The problems of complex process, long consumed time and low processing efficiency caused by welding two auxiliary rods firstly and then fusing one auxiliary rod in the existing manufacturing method are solved.
The technical scheme adopted by the invention is as follows:
a method of manufacturing an optical fiber comprising the steps of:
1) welding an auxiliary rod to one end of the prefabricated rod;
2) clamping the auxiliary rod to make the prefabricated rod in vertical shape;
3) controlling the flame to reciprocate along the axial direction of the prefabricated rod and the circumferential direction of the prefabricated rod, and carrying out high-temperature annealing treatment on the prefabricated rod;
4) and performing a wire drawing process on the preform subjected to the high-temperature annealing treatment.
In the existing manufacturing method, the preform is driven to rotate by the two chucks, and then the blowtorch can carry out high-temperature annealing treatment only by reciprocating along the axis direction of the preform. Compared with the existing manufacturing method, the high-temperature annealing treatment is carried out on the prefabricated rod by controlling the flame to reciprocate along the axial direction of the prefabricated rod and along the circumferential direction of the prefabricated rod, and the prefabricated rod does not need to be clamped by two chucks, so that only one auxiliary rod needs to be welded.
Prefabricated excellent can not rotate during the in-service use, in order to further improve the homogeneity of flame heating, optional, in step 3), when control flame motion, control prefabricated excellent and rotate along self axis direction, prefabricated excellent slew velocity is 5 ~ 15 r/min.
Optionally, step 3) is performed by a flame milling apparatus, the flame milling apparatus comprising:
a base;
the clamping frame is fixed on the base, a chuck for clamping the auxiliary rod is arranged at the top of the clamping frame, and the axis of the chuck is vertically arranged;
the two moving seats are slidably mounted on the base and are respectively positioned on two sides of the clamping frame;
the first driving mechanism is used for driving the movable seat to be close to or far away from the clamping frame;
the blowtorch lamp holder is slidably arranged on the movable seat, and the blowtorch which can rotate around a vertical axis in a reciprocating manner is arranged on the blowtorch lamp holder;
and the second driving mechanism is used for driving the blowtorch lamp holder to reciprocate up and down.
When the flame grinding equipment works, the auxiliary rod is clamped by the clamping frame, so that the prefabricated rod is vertical; the first driving mechanism drives the movable seat to move towards the clamping frame, so that the two blast burner lamp holders are respectively positioned at two sides of the prefabricated rod; and the second driving mechanism enables the lamp holder of the blast lamp to reciprocate up and down, and the blast lamp rotates around a vertical axis in a reciprocating manner.
Optionally, the torch lamp holder includes:
the lamp holder comprises a lamp holder body, wherein one side of the lamp holder body, which is adjacent to a clamping frame, is provided with an arc-shaped side wall, the part of the upper surface of the lamp holder body, which is adjacent to the arc-shaped side wall, is provided with two arc-shaped grooves which are distributed at intervals, the part, which is adjacent to the arc-shaped side wall, is provided with a first arc-shaped groove, the part, which is far away from the arc-shaped side wall, is provided with a second arc-shaped groove, the axes;
the torch holder is provided with a motor, an output shaft of the motor is matched with the rack through a gear, and the torch is arranged on the torch holder;
one end of the limiting rod is fixed relative to the spray lamp holder, and the other end of the limiting rod extends into the second arc-shaped groove.
Four arc-shaped side walls of the arc-shaped groove of each lamp holder body are provided, and the axes of the four arc-shaped side walls are overlapped; the axis of the sidewall refers to a line on the sidewall where the positions of the points are equidistant from each other. This kind of structural style of blast burner lamp holder makes the blast burner bracket can be reciprocating motion along first arc recess to drive the blast burner along prefabricated excellent circumference reciprocating motion, two blast burner lamp holders mutually support, can realize prefabricated excellent ascending high temperature annealing operation in week.
Optionally, the first driving mechanism and the second driving mechanism are both air cylinders.
Optionally, a limiting block matched with the moving seat is fixed on the base, and the limiting block is arranged between the moving seat and the clamping frame.
Through setting up the stopper can, inject the position of removing the seat, prevent that the blast lamp stand from leaning on with the prefabricated excellent.
Optionally, the flame grinding device further comprises a third driving mechanism for driving the chuck to rotate.
In practice, the preform is slowly rotated by the third driving mechanism.
The invention has the beneficial effects that: the high-temperature annealing treatment is carried out on the prefabricated rod by controlling the flame to reciprocate along the axial direction of the prefabricated rod and along the circumferential direction of the prefabricated rod, and the prefabricated rod does not need to be clamped by two chucks, so that only one auxiliary rod needs to be welded.
Description of the drawings:
FIG. 1 is a flow chart of a method of manufacturing an optical fiber of the present invention;
FIG. 2 is a schematic structural view of a flame milling apparatus;
fig. 3 is an enlarged view at a in fig. 2.
The figures are numbered:
1. the lamp holder comprises a base, 2, a first driving mechanism, 3, a movable seat, 4, a limiting block, 5, a blowtorch lamp holder, 6, a second driving mechanism, 7, a clamping frame, 8, a chuck, 9, an auxiliary rod, 10, a prefabricated rod, 11, a lamp holder body, 12, a second arc-shaped groove, 13, a gear, 14, a limiting rod, 15, a first arc-shaped groove, 16, a blowtorch frame, 17, a blowtorch, 18 and an arc-shaped side wall.
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, the present embodiment discloses a method for manufacturing an optical fiber, including the steps of:
1) welding an auxiliary rod to one end of the prefabricated rod;
2) clamping the auxiliary rod to make the prefabricated rod in vertical shape;
3) controlling the flame to reciprocate along the axial direction of the prefabricated rod and the circumferential direction of the prefabricated rod, and carrying out high-temperature annealing treatment on the prefabricated rod;
4) and performing a wire drawing process on the preform subjected to the high-temperature annealing treatment.
In the existing manufacturing method, the preform is driven to rotate by the two chucks, and then the blowtorch can carry out high-temperature annealing treatment only by reciprocating along the axis direction of the preform. Compared with the existing manufacturing method, the high-temperature annealing treatment is carried out on the prefabricated rod by controlling the flame to reciprocate along the axial direction of the prefabricated rod and along the circumferential direction of the prefabricated rod, and the prefabricated rod does not need to be clamped by two chucks, so that only one auxiliary rod needs to be welded.
The prefabricated stick can not rotate, and when the actual application, in order to further improve the homogeneity of flame heating, in step 3), when control flame motion, control prefabricated stick is along the slow rotation of self axis direction, and prefabricated stick slew velocity is 5 ~ 15 r/min.
This embodiment, step 3) is operated by a flame milling apparatus, as shown in fig. 2 and 3, comprising:
a base 1;
the clamping frame 7 is fixed on the base, a chuck 8 used for clamping an auxiliary rod 9 is arranged at the top of the clamping frame, and the axis of the chuck is vertically arranged;
the two moving seats 3 are slidably mounted on the base 1 and are respectively positioned on two sides of the clamping frame 7;
the first driving mechanism 2 is used for driving the movable seat 3 to approach or depart from the clamping frame 7;
the blowtorch lamp holder 5 is slidably mounted on the movable base 3, and the blowtorch 17 capable of rotating around a vertical axis in a reciprocating manner is mounted on the blowtorch lamp holder 5;
and the second driving mechanism 6 is used for driving the blowtorch lamp holder to reciprocate up and down.
In the present embodiment, the burner lamp socket 5 includes:
the lamp holder comprises a lamp holder body 11, wherein one side of the lamp holder body, which is adjacent to a clamping frame, is provided with an arc-shaped side wall 18, the part of the upper surface of the lamp holder body, which is adjacent to the arc-shaped side wall, is provided with two arc-shaped grooves which are distributed at intervals, the part, which is adjacent to the arc-shaped side wall, is provided with a first arc-shaped groove 15, the part, which is far away from the arc-shaped side wall, is provided with a second arc-shaped groove 12, the;
the torch holder 16 is provided with a motor, an output shaft of the motor is matched with the rack through a gear 13, and the torch 17 is arranged on the torch holder 16;
one end of the limiting rod 14 is fixed opposite to the burner cap 16, and the other end extends into the second arc-shaped groove 12.
Four arc-shaped side walls of the arc-shaped groove of each lamp holder body are provided, and the axes of the four arc-shaped side walls are overlapped; the axis of the sidewall refers to a line on the sidewall where the positions of the points are equidistant from each other. This kind of structural style of blast burner lamp holder makes the blast burner bracket can be reciprocating motion along first arc recess to drive the blast burner along prefabricated excellent circumference reciprocating motion, two blast burner lamp holders mutually support, can realize prefabricated excellent ascending high temperature annealing operation in week.
In the present embodiment, the first driving mechanism 2 and the second driving mechanism 6 are both air cylinders. A limiting block 4 matched with the moving seat is fixed on the base 1 and arranged between the moving seat and the clamping frame. Through setting up the stopper can, inject the position of removing the seat, prevent that the blast lamp stand from leaning on with the prefabricated excellent.
In this embodiment, the flame polishing apparatus further includes a third driving mechanism for driving the chuck to rotate. In practice, the preform is slowly rotated by the third driving mechanism.
When the flame grinding equipment works, the auxiliary rod is clamped by the clamping frame, so that the prefabricated rod is vertical; the first driving mechanism drives the movable seat to move towards the clamping frame, so that the two blast burner lamp holders are respectively positioned at two sides of the prefabricated rod; reciprocating motion about making the blowtorch lamp stand through second actuating mechanism, motor work is under the cooperation of gag lever post and second arc recess simultaneously, and the blowtorch can be along the reciprocating rotation of the trend of first arc recess, carries out high temperature annealing to prefabricated stick 10.
The above description is only a preferred embodiment of the present invention, and 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 included in the scope of the present invention.
Claims (1)
1. A method of manufacturing an optical fiber, comprising the steps of:
1) welding an auxiliary rod to one end of the prefabricated rod;
2) clamping the auxiliary rod to make the prefabricated rod in vertical shape;
3) controlling the flame to reciprocate along the axial direction of the prefabricated rod and the circumferential direction of the prefabricated rod, and carrying out high-temperature annealing treatment on the prefabricated rod;
4) performing a wire drawing process on the preform subjected to the high-temperature annealing treatment;
said step 3) is operated by a flame milling apparatus comprising:
a base;
the clamping frame is fixed on the base, a chuck for clamping the auxiliary rod is arranged at the top of the clamping frame, and the axis of the chuck is vertically arranged;
the two moving seats are slidably mounted on the base and are respectively positioned on two sides of the clamping frame;
the first driving mechanism is used for driving the movable seat to be close to or far away from the clamping frame;
the blowtorch lamp holder is slidably arranged on the movable seat, and the blowtorch which can rotate around a vertical axis in a reciprocating manner is arranged on the blowtorch lamp holder;
the second driving mechanism is used for driving the blowtorch lamp holder to reciprocate up and down;
the blast lamp socket includes:
the lamp holder comprises a lamp holder body, wherein one side of the lamp holder body, which is adjacent to a clamping frame, is provided with an arc-shaped side wall, the part of the upper surface of the lamp holder body, which is adjacent to the arc-shaped side wall, is provided with two arc-shaped grooves which are distributed at intervals, the part, which is adjacent to the arc-shaped side wall, is provided with a first arc-shaped groove, the part, which is far away from the arc-shaped side wall, is provided with a second arc-shaped groove, the axes;
the torch holder is provided with a motor, an output shaft of the motor is matched with the rack through a gear, and the torch is arranged on the torch holder;
one end of the limiting rod is fixed relative to the spray lamp frame, and the other end of the limiting rod extends into the second arc-shaped groove;
the first driving mechanism and the second driving mechanism are both cylinders; a limiting block matched with the moving seat is fixed on the base and arranged between the moving seat and the clamping frame; the flame grinding device also comprises a third driving mechanism for driving the chuck to rotate.
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 |
|---|---|---|---|
| CN201711395679.9A CN108249752B (en) | 2016-03-31 | 2016-03-31 | Method for manufacturing optical fiber |
| CN201610195244.9A CN105776837B (en) | 2016-03-31 | 2016-03-31 | The manufacture method of 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 CN108249752A (en) | 2018-07-06 |
| CN108249752B true CN108249752B (en) | 2020-07-03 |
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| 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 |
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| Country | Link |
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| CN (2) | CN105776837B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109226303B (en) * | 2017-02-27 | 2020-04-14 | 天津富通集团有限公司 | Preform 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 |
| CN108996901B (en) * | 2018-08-08 | 2021-11-02 | 杭州富通通信技术股份有限公司 | 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 |
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 |
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 |
| JP5176274B2 (en) * | 2003-05-19 | 2013-04-03 | 住友電気工業株式会社 | Optical fiber and manufacturing method thereof |
| KR100566223B1 (en) * | 2004-01-06 | 2006-03-29 | 삼성전자주식회사 | Furnace for optical fiber and preform method thereof |
-
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105776837A (en) | 2016-07-20 |
| CN105776837B (en) | 2018-03-09 |
| CN108249752A (en) | 2018-07-06 |
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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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