CN204281579U - A kind of fiber drawing tower centring device - Google Patents
A kind of fiber drawing tower centring device Download PDFInfo
- Publication number
- CN204281579U CN204281579U CN201420735450.0U CN201420735450U CN204281579U CN 204281579 U CN204281579 U CN 204281579U CN 201420735450 U CN201420735450 U CN 201420735450U CN 204281579 U CN204281579 U CN 204281579U
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- China
- Prior art keywords
- optical fiber
- fiber
- arm
- drawing tower
- fiber drawing
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- 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
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- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
The utility model discloses a kind of fiber drawing tower centring device, comprise a frame-type body, the two ends along frame-type body are set to long outer arm and short inner arm respectively, connect outside the connecting rod between described long outer arm and short inner arm and are provided with detent; Long outer arm is provided with the screw that runs through its arm plate, and screw end is provided with screw fastening knob.The utility model device is utilized to produce before optical fiber by fiber drawing tower in start or regularly carry out equipment point-detecting correction, the optical fiber " scuffing " can effectively avoiding causing when machine is produced, optical fiber coating is uneven, optical fiber curing is uneven, optical fiber geometric parameter is not up to standard and the problem such as fiber strength reduction, improve throughput and the production efficiency of optical fiber, improve the drawing speed of optical fiber, reduce the production cost of optical fiber.
Description
Technical field
The utility model belongs to optic fibre manufacturing technology field, relates to a kind of correction device for fiber drawing tower center.
Background technology
Optical fiber significantly improves information transfer rate, the mankind are taken leave of narrow band communication epoch and striden into the information explosion epoch, and large data, smart city, cloud computing, 4G/5G communication etc. are blown against one's face.But optical fiber is the basis supporting all these application.Carried out Optimal improvements repeatedly to drawing optical fibers technique and drawing speed both at home and abroad, current drawing speed reaches 2500m/min; When adopting the preform of 200mm × 6000mm, if constantly fibre can the finished product optical fiber of disposable drawing 14000km.
Optical fiber production process, mainly by fibre drawing furnace heating optical fiber preform, makes it be in molten state, namely forms bare fibre from the glass yarn of the prefabricated rods bottom stretching melting of heating, subsequently through overcooling, twice resin-coating with solidify to form finished product optical fiber.In fiber drawing process, if measuring apparatus of diameter, primary coating mould, secondary coating die etc. have the position offset reference line of a device at least, optical fiber all can be caused in machine " scuffing ", geometrical dimension difference, even optical fiber is at the disconnected fibre of machine etc.
If optical fiber is in machine " scuffing ", people are generally difficult to find that it produces abnormal, only have the quality problems that could be judged optical fiber by lower machine testing.But the drawing speed per minute of optical fiber reaches 2km, wait for and detect exception, when carrying out problem feedback, large batch of " problem " optical fiber will be produced, cause huge financial loss.
Utility model content
The purpose of this utility model is to provide a kind of fiber drawing tower correction device, solves problems of the prior art.Produce before optical fiber by fiber drawing tower in start or regularly carry out equipment point-detecting correction, the optical fiber " scuffing " can effectively avoiding causing when machine is produced, optical fiber coating is uneven, optical fiber curing is uneven, optical fiber geometric parameter is not up to standard and the problem such as fiber strength reduction.
The purpose of this utility model is realized by following technical proposals.
A kind of fiber drawing tower centring device, comprise a frame-type body, the two ends along frame-type body are set to long outer arm and short inner arm respectively, connect outside the connecting rod between described long outer arm and short inner arm and are provided with detent; Long outer arm is provided with the screw that runs through its arm plate, and screw end is provided with screw fastening knob.
Further, the distance between the long outer arm of described correction device and short inner wall is greater than the outer peripheral thickness of traction wheel.
Further, the detent on described correction device surface is 8mm-14mm apart from the outer peripheral distance of short Inner arm.
Further, described correction device surfaces externally and internally is arc.
Further, the distance of described correction device outside surface Distance positioning bottom portion of groove is 1.5mm-3.0mm.
Further, described correction device internal surface arc length is 30mm-80mm.
The beneficial effects of the utility model are:
(1) before production optical fiber, by fiber drawing tower centring device, correct fiber drawing tower, under the prerequisite guaranteeing machine optical fiber product qualified rate under production, optical fiber production ability (improving the effective fiber wire drawing production time) can be improved, reduce optical fiber production cost.
(2) by carrying out wire-drawer-tower centring before production optical fiber, under the prerequisite guaranteeing machine optical fiber product qualified rate under production, can drawing speed of optical fiber be promoted, improving drawing optical fibers production efficiency.
(3) correction device is arranged on traction wheel by employing, can avoid correcting silk and directly directly contact with traction wheel, the damage cause traction wheel surface and pollution; Correction device structure is simple, light and handy simultaneously, and its detent effectively can control the hunting range correcting silk, and then improves the correction efficiency of drawing optical fibers.
Accompanying drawing explanation
Fig. 1 is the positive sectional structure chart of fiber drawing tower centring device.
Fig. 2 is fiber drawing tower centring schematic diagram.
In figure, 151. screw fastening knobs, 152. screws, 153. long outer arms, 154. detents, 155. short inwalls; 1. fiber drawing tower clamping device, 2. corrects silk, 3. drawing heating furnace, 4.1# laser diameter measuring instrument, 5. optical fiber cooling apparatus, 6.2# laser diameter measuring instrument, 7. primary coating device, 8. one-step solidification device, 9.3# laser diameter measuring instrument, 10. two coating units, 11. regelate devices, 12.4# laser diameter measuring instrument, 13. traction wheels, 14. guide wheels, 15. correction devices, 16. liquid hanging boxes.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
As shown in Figure 1, the utility model fiber drawing tower centring device 15, comprise a frame-type body, the two ends along frame-type body are set to long outer arm 153 and short inner arm 155 respectively, connect outside the connecting rod between described long outer arm 153 and short inner arm 155 and are provided with detent 154; Long outer arm 153 is provided with the screw 152 that runs through its arm plate, and screw 152 end is provided with screw fastening knob 151.
Wherein, the long outer arm 153 of correction device 15 and short inwall 155, the distance between inside both is greater than the outer peripheral thickness of traction wheel 13;
Wherein, correction device 15 surface containing detent 154, detent 154 is 8mm-14mm apart from the outer peripheral distance of short Inner arm 155;
Wherein, correction device 15 surfaces externally and internally is arc, and detent 154 is along with curved surfaces, and its inboard groove depth distance curved surfaces is consistent;
Wherein, the distance bottom correction device 15 outside surface Distance positioning groove 154 is 1.5mm-3.0mm;
Wherein, correction device 15 internal surface arc length is 30mm-80mm.
Fig. 2 is fiber drawing tower centring schematic diagram in the utility model.The specific operation process of fiber drawing tower centring method comprises:
1) fixed correction silk 2: the one end shifting to an earlier date ready correction silk 2 is fixed on fiber drawing tower clamping device 1;
2) correction silk 2 is vertically placed: correct silk 2 the other end from drawing optical fibers tower top, vertically slowly draw to process furnace 3,1# laser diameter measuring instrument 4, optical fiber cooling apparatus 5,2# laser diameter measuring instrument 6, primary coating device 7, one-step solidification device 8,3# laser diameter measuring instrument 9, secondary coating unit 10, regelate device 11,4# laser diameter measuring instrument 12 to fiber drawing tower traction wheel 13; When downwards traction corrects silk 2, speed slows down, and speed remains on 50mm/s-120mm/s, prevents from correcting silk 2 transferring in way to collide with other device to cause blocking or cause to correct silk 2 and bend;
3) fixed correction device 15: correction device 15 is close to traction wheel 13, wherein screw fastening knob 151 connects near traction wheel 13 rotation axis is fastening, correction device 15 is stuck on traction wheel 13 outward flange, short Inner arm 155 is close to traction wheel 13 preglabellar field, rotating screw tightening knob 151, screw 152 is rotated move to the outward flange near traction wheel 13, locating groove 15 is tightened together with traction wheel 13;
4) fixed correction silk 2: by the correction silk 2 drawn from wire drawing tower top, be close in the detent 154 on correction device 15 surface, the distance at detent 154 width between centers short inwall 155 edge is 8mm-14mm, rotating traction wheel 13 keeps the rotating speed of wheel to be 30 ~ 80mm/s, correction device 15 and correction silk 2 are slowly moved to immediately below traction wheel 13, is fitted in correction silk 2 and traction wheel 13 side; Guide wheel 14 above traction wheel 13 is moved to far-end, correction silk 2 is upwards walked around guide wheel 14, hang liquid hanging box 17 at correction silk end, make the correction silk 2 drawn from wire drawing tower top remain exceptionally straight state vertically downward;
5) keep correcting silk 2 vertically, stable: guarantee to correct silk 2 from wire drawing tower top to 1 building not with any isoelectric membrane, liquid hanging box 17 and guide wheel 14 spacing are 40cm-50cm, and standing observation liquid hanging box 17 and wherein liquid oil material liquid level are to tranquil;
6) correction center is regulated: open POD panel, regulate X/Y direction knob on wire drawing top tower control support, correction silk 2 is adjusted to the central position of 1# laser diameter measuring instrument 4, milscale under 2# adjustment subsequently laser diameter measuring instrument 6,3# laser diameter measuring instrument 9 and laser diameter measuring instrument 12, correction silk 2 is made to be positioned at laser diameter measuring instrument central position, and the miking numerical value after record adjustment;
7) confirm result: check and POD panel corrects silk 2, whether be positioned at the central position of 4 laser diameter measuring instruments on wire-drawer-tower simultaneously, otherwise continue to perform step 6 until correction result meets;
8) remove correction device: after silk 2 to be corrected is positioned at wire-drawer-tower central position, first remove liquid hanging box 17, removal correction device 15, correction silk 2 is made to be in relaxed state, again correction silk 2 is slowly regained from wire drawing tower top, avoid being stuck in withdrawal process, correct complete since then.
Provide the utility model bearing calibration below and add the beneficial effect that correction device brings.
(1) researching and developing large-scale optical fiber prefabricating stick, is improve one of optical fiber production ability and the important means reducing optical fiber production cost.Before production optical fiber, by fiber drawing tower centring method and correction device, correct fiber drawing tower, under the prerequisite guaranteeing machine optical fiber product qualified rate under production, optical fiber production ability (improving the effective fiber wire drawing production time) can be improved, reduce optical fiber production cost.As: for drawing wire machine speed 2000m/min; when adopting the preform of 200mm × 6000mm; if constantly fibre can the finished product optical fiber of disposable drawing 14000km, do not shut down continuous seepage whole about 117 hours preform used time (being equivalent to 4.9 days effective wire drawing time).If produced because fiber drawing tower reference line is inconsistent at machine, cause optical fiber quality problem or disconnected fine at machine, detect in shutdown or when restarting wire-drawing equipment, all have a strong impact on throughput and the cost of optical fiber.The appearance of these problems, be then similar to and adopt traditional small size preform drawing to manufacture optical fiber, changes that excellent frequency is high, the timed interval is long, and to make in the unit time effectively drawing optical fibers time shorten, production efficiency reduces greatly.Adopt this fiber drawing tower bearing calibration, can guarantee large-scale optical fiber prefabricating stick application industry, can show the advantage of large-scale optical fiber prefabricating stick application, concrete preform parameter comparison is as shown in the table simultaneously.
Different size preform correlation parameter table
(2) improving drawing speed of optical fiber, is another important means improving optical fiber production ability and reduce optical fiber production cost.Correcting by carrying out wire-drawer-tower centring method before production optical fiber, under the prerequisite guaranteeing machine optical fiber product qualified rate under production, can drawing speed of optical fiber be promoted, improving drawing optical fibers production efficiency.As, when adopting the speed of 1200m/min to produce optical fiber, separate unit drawing wire machine can produce 72km in 1 hour; When adopting the speed of 2000m/min to produce optical fiber, separate unit drawing wire machine can produce 120km in 1 hour, if optical fiber at machine because wire-drawer-tower reference line problem causes optical fiber abnormal, scrap causing the optical fiber of separate unit 120km per hour, cause drawing optical fibers working lipe to be reduced or effective wire drawing time of 1200m/min before being equal to, drawing speed of optical fiber is promoted and loses meaning.Adopt this fiber drawing tower bearing calibration, can guarantee under high-speed wire-drawing condition, the first-time qualification rate of the fiber products obtained and optical fiber production ability (improving the effective fiber wire drawing production time) increase substantially, and concrete parameter comparison as shown above.
It should be noted last that, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to example, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (6)
1. a fiber drawing tower centring device, is characterized in that: comprise a frame-type body, and the two ends along frame-type body are set to long outer arm and short inner arm respectively, connects outside the connecting rod between described long outer arm and short inner arm and is provided with detent; Long outer arm is provided with the screw that runs through its arm plate, and screw end is provided with screw fastening knob.
2. fiber drawing tower centring device according to claim 1, is characterized in that: the distance between the long outer arm of described correction device and short inner wall is greater than the outer peripheral thickness of traction wheel.
3. fiber drawing tower centring device according to claim 1, is characterized in that: the detent on described correction device surface is 8mm-14mm apart from the outer peripheral distance of short Inner arm.
4. fiber drawing tower centring device according to claim 1, is characterized in that: described correction device surfaces externally and internally is arc.
5. fiber drawing tower centring device according to claim 1, is characterized in that: the distance of described correction device outside surface Distance positioning bottom portion of groove is 1.5mm-3.0mm.
6. fiber drawing tower centring device according to claim 1, is characterized in that: described correction device internal surface arc length is 30mm-80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420735450.0U CN204281579U (en) | 2014-11-27 | 2014-11-27 | A kind of fiber drawing tower centring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420735450.0U CN204281579U (en) | 2014-11-27 | 2014-11-27 | A kind of fiber drawing tower centring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204281579U true CN204281579U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420735450.0U Withdrawn - After Issue CN204281579U (en) | 2014-11-27 | 2014-11-27 | A kind of fiber drawing tower centring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204281579U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402215A (en) * | 2014-11-27 | 2015-03-11 | 西安西古光通信有限公司 | Method and device for correcting center of optical fiber drawing tower |
| CN110274564A (en) * | 2019-07-31 | 2019-09-24 | 江苏南方光纤科技有限公司 | A kind of concentricity calibrating method of high-level device |
-
2014
- 2014-11-27 CN CN201420735450.0U patent/CN204281579U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402215A (en) * | 2014-11-27 | 2015-03-11 | 西安西古光通信有限公司 | Method and device for correcting center of optical fiber drawing tower |
| CN110274564A (en) * | 2019-07-31 | 2019-09-24 | 江苏南方光纤科技有限公司 | A kind of concentricity calibrating method of high-level device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20160914 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |