CN103951286B - A kind of equipment manufacturing polyimide coated optical fiber - Google Patents
A kind of equipment manufacturing polyimide coated optical fiber Download PDFInfo
- Publication number
- CN103951286B CN103951286B CN201410190533.0A CN201410190533A CN103951286B CN 103951286 B CN103951286 B CN 103951286B CN 201410190533 A CN201410190533 A CN 201410190533A CN 103951286 B CN103951286 B CN 103951286B
- Authority
- CN
- China
- Prior art keywords
- coated
- optical fiber
- coating
- line
- solidification equipment
- 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
Landscapes
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The present invention relates to the manufacture equipment technical field of coated fiber, be specifically related to a kind of equipment manufacturing polyimide coated optical fiber。It includes being coated with under solidification equipment and line on pyrographite induction furnace, line and is coated with solidification equipment, described line is coated with solidification equipment and is arranged at below pyrographite induction furnace, described line is coated with solidification equipment and includes coating unit, resistance-heated furnace, traction apparatus and take-up reel, be coated with solidification equipment under line and include actinobacillus wheel, coating unit, hot setting baking oven, outer diameter detecting instrument device, traction apparatus and take-up reel successively。The present invention, by coating solidification equipment under coating solidification equipment, line on line, is repeatedly coated with, solidifies and detect polyimide coating, make the optical fiber of production can accurately control coating diameter and the concentricity with fibre cladding。Its technique is divided into online and offline two parts simultaneously, and production technology is not limited by place, has bigger motility and convenience。
Description
Technical field
The present invention relates to the manufacture equipment technical field of coated fiber, be specifically related to a kind of equipment manufacturing polyimide coated optical fiber。
Background technology
Along with the development of optical fiber technology, the application of optical fiber extends to the field such as Laser energy transmission, sensing technology, and range of application has also extended into various high-temperature severe environment。Optical fiber transmits material as information, and its sandwich layer and covering are mainly made up of quartz, is coated with coat and plays the effect of protection optical fiber outside covering。Ordinary optic fibre adopts ultra-violet curing acrylic resin as coating, and it uses temperature to be-60 DEG C-85 DEG C。If worked under the environment higher than 85 DEG C for a long time; general ultraviolet solidifies coating can there is heat ageing; particularly can there is thermo-oxidative ageing under having the O2 environment existed; accelerate the fracture process of coating macromolecular chain; so that coating makes it protect the effect of optical fiber, it is impossible to stop hydrone to invade optical fiber, accelerate the fatigue process of optical fiber; make optical fiber surface micro-crack expand, cause that optical fiber lost efficacy。Existing coating processes manufactures equipment cannot accurately control coating size and coating concentricity。
Summary of the invention
For in prior art exist deficiency, the present invention provide a kind of can accurately control coating external diameter and coating concentricity, motility and convenience high manufacture polyimide coated optical fiber equipment。
To achieve these goals, the present invention realizes by the following technical solutions:
A kind of equipment manufacturing polyimide coated optical fiber, including pyrographite induction furnace, line is coated with coating solidification equipment under solidification equipment and line, its described line is coated with solidification equipment and is arranged at below pyrographite induction furnace, described line is coated with solidification equipment and includes coating unit, coating unit is arranged below the resistance-heated furnace of built-in quartz ampoule, resistance-heated furnace arranges supply air system and exhausting system, traction apparatus and take-up reel is set gradually after resistance-heated furnace, coating unit includes a top with pure gases at high pressure air inlet and the coating bowl that is fixed on water-bath base, coating bowl bottom arranges sizing nib；It is coated with solidification equipment under described line and includes actinobacillus wheel, coating unit, the hot setting baking oven that supply air system and exhausting system are set and the vertically disposed outer diameter detecting instrument device of optical fiber moving direction, traction apparatus and take-up reel successively。
Above-mentioned a kind of equipment manufacturing polyimide coated optical fiber, its described line is coated with solidification equipment and is arranged alternately two set coating unit and resistance-heated furnaces。
Above-mentioned a kind of equipment manufacturing polyimide coated optical fiber, is connected with, in its described water-bath base, the pure water that temperature is 35 DEG C-60 DEG C。
Above-mentioned a kind of equipment manufacturing polyimide coated optical fiber, its described resistance-heated furnace inwall is column type, and its length is 1500-2200mm。
Above-mentioned a kind of equipment manufacturing polyimide coated optical fiber, the gas that the supply air system of its described resistance-heated furnace passes into is N2, and air output is 40-60L/min, and the convulsion amount of its exhausting system is 60-80L/min。
Above-mentioned a kind of equipment manufacturing polyimide coated optical fiber, arranges some guide wheel group connected by actuating device and some deflecting rollers, is correspondingly arranged some coating units between deflecting roller and the guide wheel group outside hot setting baking oven in its described hot setting baking oven。
Above-mentioned a kind of equipment manufacturing polyimide coated optical fiber, the temperature 200 DEG C-450 DEG C of its described hot setting baking oven。
Above-mentioned a kind of equipment manufacturing polyimide coated optical fiber, the air output of its described hot setting baking oven is 100-150L/min, and its convulsion amount is 100-200L/min。
Above-mentioned a kind of equipment manufacturing polyimide coated optical fiber, is respectively provided with the outer diameter detecting instrument device vertical with optical fiber moving direction between its described pyrographite induction furnace and coating unit, between resistance-heated furnace and traction apparatus。
Above-mentioned a kind of equipment manufacturing polyimide coated optical fiber, the hauling speed of its described traction apparatus is 4-10m/min, and the velocity of rotation of actinobacillus wheel, traction apparatus and take-up reel three is mutually matched。
Beneficial effect:
The present invention, by coating solidification equipment under coating solidification equipment, line on line, is repeatedly coated with, solidifies and detect polyimide coating, make the optical fiber of production can accurately control coating diameter and the concentricity with fibre cladding。Its technique is divided into online and offline two parts simultaneously, and production technology is not limited by place, has bigger motility and convenience。
Accompanying drawing explanation
The present invention is described in detail below in conjunction with the drawings and specific embodiments；
Fig. 1 is the structural representation of the coating bowl of the present invention。
Fig. 2 is the structural representation being coated with solidification equipment on the line of the present invention。
Fig. 3 be the present invention line under be coated with the structural representation of solidification equipment。
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with detailed description of the invention, the present invention is expanded on further。
With reference to Fig. 1, Fig. 2 and Fig. 3, the present invention includes being coated with under solidification equipment and line on pyrographite induction furnace 9, line and is coated with solidification equipment, line is coated with solidification equipment and is arranged at below pyrographite induction furnace 9。Line is coated with solidification equipment and includes coating unit 10 and the resistance-heated furnace 11 that two sets are arranged alternately, coating unit 10 is arranged below the resistance-heated furnace 11 of built-in quartz ampoule, quartz ampoule mates with resistance-heated furnace 11 inwall, resistance-heated furnace 11 arranges supply air system and exhausting system, supply air system and exhausting system can make optical fiber 4 be in non-oxygen atmosphere through heating furnace, and during in time by paint solidification, the volatilization gas of generation is taken away, optimizes the solidification effect of coating。Wherein resistance-heated furnace 11 inwall is column type, and length is 1500mm-2200mm, and representative value is 2000mm；The representative gases of supply air system is N2, and air output is 40-60L/min, and the convulsion amount of exhausting system is 60-80L/min。Resistance-heated furnace 11 sets gradually traction apparatus 12 and take-up reel 13 below。Coating unit 10 includes the top coating bowl 5 with pure gases at high pressure air inlet, and coating bowl 5 is fixed on water-bath base 7, arranges sizing nib 6 bottom coating bowl 5。Being connected with the gas of certain flow in coating bowl 5, optical fiber 4 passes through wherein can at the certain thickness polyimide solution of outer surface。Air inlet can pass into pure gases at high pressure and pass in coating bowl 5, makes polyimide solution have certain pressure。Water-bath base is connected with the pure water that temperature is 35 DEG C-60 DEG C, it is preferred that temperature is 45 DEG C-55 DEG C。When being coated technique, according to the difference of outside diameter measuring value Yu desired value, charge flow rate and bath temperature can be adjusted, reach accurately to control the effect of coating external diameter。
As further improvement, line is coated with in solidification equipment between pyrographite induction furnace 9 with coating unit 10, between resistance-heated furnace 11 and traction apparatus 12, the outer diameter detecting instrument device vertical with optical fiber moving direction can also be respectively provided with。
After using pure water cleaning preform 8, and high-purity gas is used to make it dry。Preform 8 is carried out on wire-drawing equipment wire drawing。Preform 8 front end is melted in pyrographite induction furnace 9, and forms a taper under the traction of gravity and pulling equipment。Cone front end, through the traction of pulling equipment, through bare-fiber diameter detecting instrument, under certain spinning speeds, obtains the bare fibre of uniform diameter。Bare fibre enters coating unit coating, and the thickness of the polyimide solution of coating is by the diameter of sizing nib and enters and is coated with the external diameter of optical fiber before orifice ring and is determined。Line is coated with solidification perform twice at, completes initial application。Being received by the optical fiber of initial application is wound on take-up reel, is coated with curing process under pending line。
It is coated with solidification equipment under line and includes actinobacillus wheel 15, coating unit 10, the hot setting baking oven 16 that supply air system 17 and exhausting system 18 are set and the vertically disposed outer diameter detecting instrument device 22 of optical fiber 4 moving direction, traction apparatus 23 and take-up reel 24 successively, coating unit 10 is identical with the coating unit being coated with solidification equipment on line, coating unit 10 is positioned at above hot setting baking oven 16, aperture is had above hot setting baking oven 16, optical fiber 4 is after coating unit, outer surface one strata imide solution, vertically into hot setting baking oven 16。The internally installed 4 pairs of guide wheel group of hot setting baking oven 16, are vertically positioned at coating unit 10 and are arranged below 19,4 guide wheel group 19 oblique uppers of 4 guide wheel group and install 19,4 pairs of guide wheel group of 4 guide wheel group 19 again and be connected by actuating device 20 and arrange。It is vertically positioned at 4 guide wheel group 19 that coating unit 10 is arranged below and is set up in parallel 4 deflecting rollers 21, between deflecting roller 21 and the guide wheel group 19 outside hot setting baking oven 16, be correspondingly arranged some coating units 10。The optical fiber 4 being coated with polyimide solution carries out coiling in two guide wheel group 19, and typical case's winding length is 6-15m, carrys out the extended fiber persistent period in hot setting baking oven 16 by distance coiling, and the state of cure making coating is higher。Optical fiber 4 after solidification is by the deflecting roller 21 in hot setting baking oven 16, it is brought out hot setting baking oven 16, then through a deflecting roller 14, it is introduced in next coating unit 10 and is coated, corresponding with this coating unit, hot setting baking oven 16 is internal is equipped with similar guide wheel group, solidifies for the coiling in hot setting baking oven 16 of optical fiber after coating。Through repeatedly coating-curing process, it is preferred that being 4 times, the coating layer thickness of optical fiber 4 reaches desired value。The temperature of hot setting baking oven 16 200 DEG C-450 DEG C, the air output of supply air system 17 is 100-150L/min, and the convulsion amount of exhausting system 18 is 100-200L/min。The hauling speed of traction apparatus is 4-10m/min, and the velocity of rotation of actinobacillus wheel, traction apparatus and take-up reel three is mutually matched。
Initial application optical fiber is placed on one and has on the draw drum automatically putting fine function, under the effect of the online lower traction equipment of optical fiber of initial application, several coating units under line, and solidify in high temperature oven, make it finally be coated with external diameter and reach aimed dia, and be finally coated with external diameter by the measurement of outer diameter detecting instrument device。Receive afterwards and be wound on another take-up reel, complete whole coating processes。
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described。Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention。Claimed scope is defined by appending claims and equivalent thereof。
Claims (6)
1. the equipment manufacturing polyimide coated optical fiber, including pyrographite induction furnace, line is coated with coating solidification equipment under solidification equipment and line, it is characterized in that, described line is coated with solidification equipment and is arranged at below pyrographite induction furnace, described line is coated with solidification equipment and includes coating unit, coating unit is arranged below the resistance-heated furnace of built-in quartz ampoule, described resistance-heated furnace arranges supply air system and exhausting system, traction apparatus and take-up reel is set gradually after described resistance-heated furnace, described coating unit includes a top with pure gases at high pressure air inlet and the coating bowl that is fixed on water-bath base, described coating bowl bottom arranges sizing nib；It is coated with solidification equipment under described line and includes actinobacillus wheel successively, coating unit, the hot setting baking oven of supply air system and exhausting system is set, outer diameter detecting instrument device vertically disposed with optical fiber moving direction, traction apparatus and take-up reel, described resistance-heated furnace inwall is column type, its length is 1500-2200mm, the gas that the supply air system of described resistance-heated furnace passes into is N2, air output is 40-60L/min, the convulsion amount of its exhausting system is 60-80L/min, some guide wheel group connected by actuating device and some deflecting rollers are set in described hot setting baking oven, it is correspondingly arranged some coating units between deflecting roller and guide wheel group outside described hot setting baking oven, the temperature of described hot setting baking oven 200 DEG C-450 DEG C。
2. a kind of equipment manufacturing polyimide coated optical fiber according to claim 1, it is characterised in that be coated with solidification equipment on described line and be arranged alternately two set coating unit and resistance-heated furnaces。
3. a kind of equipment manufacturing polyimide coated optical fiber according to claim 1, it is characterised in that be connected with the pure water that temperature is 35 DEG C-60 DEG C in described water-bath base。
4. a kind of equipment manufacturing polyimide coated optical fiber according to claim 1, it is characterised in that the air output of described hot setting baking oven is 100-150L/min, and its convulsion amount is 100-200L/min。
5. a kind of equipment manufacturing polyimide coated optical fiber according to claim 1, it is characterized in that, between described pyrographite induction furnace and coating unit, between resistance-heated furnace and traction apparatus, be respectively provided with the outer diameter detecting instrument device vertical with optical fiber moving direction。
6. a kind of equipment manufacturing polyimide coated optical fiber according to claim 1, it is characterised in that the hauling speed of described traction apparatus is 4-10m/min, and the velocity of rotation of actinobacillus wheel, traction apparatus and take-up reel three is mutually matched。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410190533.0A CN103951286B (en) | 2014-05-07 | 2014-05-07 | A kind of equipment manufacturing polyimide coated optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410190533.0A CN103951286B (en) | 2014-05-07 | 2014-05-07 | A kind of equipment manufacturing polyimide coated optical fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103951286A CN103951286A (en) | 2014-07-30 |
| CN103951286B true CN103951286B (en) | 2016-06-22 |
Family
ID=51328678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410190533.0A Active CN103951286B (en) | 2014-05-07 | 2014-05-07 | A kind of equipment manufacturing polyimide coated optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103951286B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109970363A (en) * | 2019-04-11 | 2019-07-05 | 山东太平洋光纤光缆有限公司 | High-temperature resistant optical fiber production equipment and preparation method |
| CN111548027A (en) * | 2020-06-04 | 2020-08-18 | 深圳信息职业技术学院 | High-speed optical fiber drawing ultraviolet curing device |
| CN113292256B (en) * | 2021-06-18 | 2024-01-09 | 江苏华能电缆股份有限公司 | Polyimide coating process for resisting high temperature and hydrogen loss on surface of optical fiber |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10282347A (en) * | 1997-04-03 | 1998-10-23 | Fujikura Ltd | Auxiliary driving device for optical fiber drawing start |
| CN1265472A (en) * | 1998-12-25 | 2000-09-06 | 住友电气工业株式会社 | Method and apparatus for production of optical fibre strip |
| CN1321903A (en) * | 2000-05-02 | 2001-11-14 | 朗迅科技公司 | Method and device for increasing UV dose and output of high-speed UV curing |
| CN201121165Y (en) * | 2007-10-24 | 2008-09-24 | 江苏亨通光纤科技有限公司 | Device for reducing optical fiber stickiness of optical fiber ultraviolet curing furnace |
| JP2009298656A (en) * | 2008-06-13 | 2009-12-24 | Fujikura Ltd | Optical fiber spinning device and method thereof |
| CN203845949U (en) * | 2014-05-07 | 2014-09-24 | 江苏亨通光纤科技有限公司 | Equipment for manufacturing polyimide pre-coated fiber |
-
2014
- 2014-05-07 CN CN201410190533.0A patent/CN103951286B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10282347A (en) * | 1997-04-03 | 1998-10-23 | Fujikura Ltd | Auxiliary driving device for optical fiber drawing start |
| CN1265472A (en) * | 1998-12-25 | 2000-09-06 | 住友电气工业株式会社 | Method and apparatus for production of optical fibre strip |
| CN1321903A (en) * | 2000-05-02 | 2001-11-14 | 朗迅科技公司 | Method and device for increasing UV dose and output of high-speed UV curing |
| CN201121165Y (en) * | 2007-10-24 | 2008-09-24 | 江苏亨通光纤科技有限公司 | Device for reducing optical fiber stickiness of optical fiber ultraviolet curing furnace |
| JP2009298656A (en) * | 2008-06-13 | 2009-12-24 | Fujikura Ltd | Optical fiber spinning device and method thereof |
| CN203845949U (en) * | 2014-05-07 | 2014-09-24 | 江苏亨通光纤科技有限公司 | Equipment for manufacturing polyimide pre-coated fiber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103951286A (en) | 2014-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103941331A (en) | Polyimide coated optical fiber and machining process thereof | |
| CN103193398B (en) | A kind of preparation method of high-speed wire-drawing formed high-temperature resistant optical fiber | |
| CN103214181B (en) | A kind of device and method of making optical fiber by high speed drawing | |
| CN105859120B (en) | Manufacturing method, control device and the manufacturing device of optical fiber wire rod | |
| CN103951286B (en) | A kind of equipment manufacturing polyimide coated optical fiber | |
| CN105859157B (en) | Manufacturing method, control device and the manufacturing device of optical fiber wire rod | |
| CN101726792B (en) | High-temperature resistant optical fiber and method for manufacturing same | |
| JP6545568B2 (en) | Method of manufacturing optical fiber | |
| JPH02275727A (en) | Drawing method for optical fiber | |
| CN203845949U (en) | Equipment for manufacturing polyimide pre-coated fiber | |
| CN104211295A (en) | Optical fiber drawing device and drawing method thereof | |
| CN109020186A (en) | A kind of device and method of OVD manufacture preform | |
| CN106186661B (en) | Manufacturing method, control device and the manufacturing device of optical fiber wire rod | |
| CN104597560A (en) | Small outer diameter and low loss fiber for air blowing micro cable and manufacture method thereof | |
| US9676659B2 (en) | Method of manufacturing an optical fiber | |
| CN106186658A (en) | The manufacture method of optical fiber cable and manufacture device | |
| GB993322A (en) | Method and apparatus for making optic devices | |
| CN203849452U (en) | Polyimide-coated optical fiber | |
| JP2014227325A (en) | Production method of optical fiber | |
| CN109956665A (en) | A kind of manufacture craft of optical fiber cable | |
| CN203689166U (en) | Coating diameter on-line automatic control device during wire drawing process | |
| CN103809618B (en) | A kind of drawing process applies method and the device thereof of the on-line automatic control of diameter | |
| JP4084762B2 (en) | Manufacturing method of holey optical fiber | |
| TW202100481A (en) | Polygonal fiber drawing system including a clamping and moving device, a melting furnace, a protective layer coating device, a protective layer drying system and an optical fiber collection device | |
| JP2013220972A (en) | Method for manufacturing optical fiber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |