CN104230162B - A kind of optical fiber preform bar stretching tower - Google Patents
A kind of optical fiber preform bar stretching tower Download PDFInfo
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- CN104230162B CN104230162B CN201410474723.5A CN201410474723A CN104230162B CN 104230162 B CN104230162 B CN 104230162B CN 201410474723 A CN201410474723 A CN 201410474723A CN 104230162 B CN104230162 B CN 104230162B
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Abstract
The present invention relates to a kind of optical fiber preform bar stretching tower, include tower body, on, lower chuck rotary apparatus and heating furnace, upper and lower upright guide rail it is provided with before tower body, fixing lower chuck rotary apparatus it is installed in the lower section of upper and lower upright guide rail, it is installed on upper chuck rotary apparatus moving up and down corresponding to lower chuck rotary apparatus above upper and lower upright guide rail, upper, it is installed on heating furnace on upright guide rail up and down between lower chuck rotary apparatus, described upper chuck rotary apparatus is connected with upper and lower haulage gear, described heating furnace is connected with elevating mechanism, it is characterized in that described upper, the chuck of lower chuck rotary apparatus is connected with pneumatic means.The structure of the present invention arranges the compactest, by pneumatic means, chuck is realized remote control, operates and uses the easiest；Effectively solve the problem that glass preform workpiece is easily crushed or clips broken；Install sensor and not only increase chuck reliability of operation height, also improve the reliability of upper and lower chuck synchronous rotary.
Description
Technical field
The present invention relates to a kind of optical fiber preform bar stretching tower, belong to preform technical field of processing equipment.
Background technology
Fiber-draw tower, in order to the preform (plug) before wire drawing is carried out stretch process, makes plug insert sleeve pipe after becoming reality and reaching preferable diametric state and carries out wire drawing.Existing optical fiber preform bar stretching tower is mainly made up of tower body, lower chuck rotary apparatus and the parts such as upper chuck rotary apparatus and heating furnace, upper chuck rotary apparatus and heating furnace are installed on the upright guide rail up and down of tower body by Mobile base, and be connected with driving means, move the most respectively during work, complete the stretch process of prefabricated rods.In the upper rod stage before equipment is started working, needed prefabricated rods to be tensioned through heating furnace, and clamped by lower chuck rotary apparatus and upper chuck rotary apparatus.Existing chuck rotary apparatus mostly uses hand chuck structure, there is also hydraulic-driven or the automatic chuck of motor driving type, and the main deficiency existed is that dependability is not high enough, easy damaged prefabricated rods during clamping, and operation is easy not.
Summary of the invention
The technical problem to be solved is that the deficiency existed for above-mentioned prior art provides the optical fiber preform bar stretching tower that a kind of dependability is high, clamping performance is good and easy to operate.
The present invention solves that the technical scheme that problem set forth above is used is:
Include tower body, lower chuck rotary apparatus, upper chuck rotary apparatus and heating furnace, upper and lower upright guide rail it is provided with before tower body, fixing lower chuck rotary apparatus it is installed in the lower section of upper and lower upright guide rail, it is installed on upper chuck rotary apparatus moving up and down corresponding to lower chuck rotary apparatus above upper and lower upright guide rail, upper, it is installed on heating furnace on upright guide rail up and down between lower chuck rotary apparatus, described upper chuck rotary apparatus is connected with upper and lower haulage gear, described heating furnace is connected with elevating mechanism, it is characterized in that described upper, the chuck of lower chuck rotary apparatus is connected with pneumatic means.
By such scheme, described upper and lower chuck rotary apparatus includes chuck mounting seat, the front end of chuck mounting seat is installed on rotation main shaft by bearing block, it is connected with driving motor by actuating device in the lower end rotating main shaft, the upper end rotating main shaft is connected with chuck, and the flat thread dish of chuck is connected with pneumatic means by fluted disc.
By such scheme, described pneumatic means includes fixing seat, rotary sleeve is installed by bearing block on fixing seat, rotary sleeve connects air motor by gear pair, rotary sleeve passes through key or spline package slip shaft, the front end of slip shaft connects the clutch gear engaged with fluted disc, the rear end of slip shaft and air fork phase configuration.
By such scheme, described chuck is scroll chuck, is installed on and opens put in place buting iron and displacement transducer on chuck, and described displacement transducer includes opening level sensor and circumference home position sensing.
By such scheme, it is installed on pin in situ at the back side of chuck, offers end-face hole in the front end of clutch gear, in situ pin and the end-face hole phase configuration of clutch gear.
By such scheme, described air fork includes the sliding sleeve phase configuration of the shift fork being hinged on fixing seat, the front end of shift fork and slip shaft rear end, and the rear end of shift fork is connected with telescopic cylinder.
By such scheme, described fixing seat is installed on pressure regulator valve and electromagnetic valve, pressure regulator valve and electromagnetic valve and is respectively connected with air motor and telescopic cylinder by pipe fitting, and connect with pressure gas source.
By such scheme, described driving motor is servomotor, and described actuating device includes and rotates the gear ring that main shaft is connected and the driving gear being connected with driving motor output shaft, drives gear to be connected with gear ring by synchronous cog belt.
By such scheme, described upper chuck rotary apparatus is connected with upper and lower haulage gear by chuck mounting seat, and described haulage gear up and down includes slide and the ball screw being connected with slide, and ball screw is connected with motor.
By such scheme, described heating furnace is connected with elevating mechanism, and described elevating mechanism includes slide and the ball screw being connected with slide, and ball screw is connected with motor.
The work process of the present invention is: first by preform to be tensioned through heating furnace, by upper chuck rotary apparatus and lower chuck rotary apparatus, the upper and lower side of preform is gripped, then heating furnace will be warming up to the high temperature of about about 1800 degree, the local (hot-section in stove) of prefabricated rods will be heated to soften, prefabricated rods upper end is the most slowly drawn by upper chuck rotary apparatus simultaneously, heating furnace is also moving up with the speed of slightly above upper chuck rotary apparatus, prefabricated rods will significantly diminish at the diameter of hot-section, prefabricated rods will be pulled continuously stretch attenuate elongated, ultimately become isometrical Glass rod.In drawing process, for being heated evenly when enabling prefabricated rods to be heated, improve the at the uniform velocity rotation also keeping synchronizing at clamping workpiece of the workpiece quality after stretching, lower chuck rotary apparatus 2 and upper chuck rotary apparatus 3.
The beneficial effects of the present invention is: 1, using air motor is the pneumatic drive mechanism that dynamical element coordinates shift fork clutch, chuck is arranged in by the rotation main shaft of servomotor and toothed belt transmission simultaneously, adds that sensor forms automatic chuck rotary apparatus.By pneumatic means, chuck can be realized remote control, improve the automaticity of stretching tower, operate and use the easiest；2, using air motor is driving source, it is particularly suitable for the clean occasion that workpiece is glass workpiece, simultaneously can be by the clamping torque needed for the pressure-regulating valve convenient regulation different prefabricated rods of chuck clamping, and the good overload performance due to air motor, may insure that prefabricated rods clamping is reliable, glass preform will not be damaged to, efficiently solve the problem that glass preform workpiece is easily crushed or clips broken；3, the structure of the present invention arranges the compactest, installs sensor and not only increases chuck reliability of operation height, also improves the reliability of upper and lower chuck synchronous rotary, prevent prefabricated rods from being turned round.
Accompanying drawing explanation
Fig. 1 is the side view of one embodiment of the invention.
Fig. 2 is the sectional view of lower chuck rotary apparatus in one embodiment of the invention.
Fig. 3 be in Fig. 2 pneumatic means face structure chart.
Fig. 4 is the left sectional view of Fig. 3.
Fig. 5 is the amplification view of card disc spins main shaft portion in Fig. 2.
Detailed description of the invention
Include vertical tower body 1, lower chuck rotary apparatus 2, upper chuck rotary apparatus 3 and heating furnace 4, upper and lower upright guide rail it is provided with before tower body, fixing lower chuck rotary apparatus it is installed in the lower section of upper and lower upright guide rail, it is installed on upper chuck rotary apparatus moving up and down corresponding to lower chuck rotary apparatus above upper and lower upright guide rail, it is installed on heating furnace on upright guide rail up and down between upper and lower chuck rotary apparatus, described upper chuck rotary apparatus is connected with upper and lower haulage gear and is connected counterweight 5, and described heating furnace is connected with elevating mechanism.The structure of described upper and lower chuck rotary apparatus is identical, including chuck mounting seat 8, the front end of chuck mounting seat is installed on rotation main shaft 10 by bearing block 13, it is connected with driving motor 17 by actuating device in the lower end rotating main shaft, described driving motor is servomotor, described actuating device includes and rotates the gear ring that main shaft is connected and the driving gear being connected with driving motor output shaft, drives gear to be connected with gear ring by synchronous cog belt.The upper end rotating main shaft is connected with chuck 9 by adpting flange 35, and the flat thread dish of chuck connects fluted disc 11, and fluted disc is connected with pneumatic means.At rotation spindle jacket equipped with axle sleeve 36, outside fluted disc, also it is installed on protective cover 37.Described chuck is scroll chuck, is installed on and opens put in place buting iron 14 and displacement transducer on chuck, and described displacement transducer includes opening level sensor 15 and circumference home position sensing 38, and is installed in the initial point position bonding 39 rotated on main shaft.End-face hole 31 phase configuration of the clutch gear 21 of pin 12 and pneumatic means in situ it is installed at the back side of chuck.Described pneumatic means includes fixing seat 32, rotary sleeve 20 is installed by bearing block 22 and bearing 33 on fixing seat, rotary sleeve connects air motor 18 by gear pair 19, gear vice division chief is provided with clamping sensor 23 sum counter 24, rotary sleeve passes through key or spline package slip shaft 34, the front end of slip shaft connects the clutch gear 21 engaged with fluted disc, the rear end of slip shaft and air fork phase configuration.Described air fork includes the sliding sleeve phase configuration of the bending shift fork 28 being hinged on fixing seat, the front end of shift fork and slip shaft rear end, and the rear end of shift fork is hinged with the piston rod of telescopic cylinder 27.By shift fork, slip shaft is moved up and down, it is achieved the clutch of clutch gear.Fixing seat is also installed on pressure regulator valve 30, Pressure gauge 29 and electromagnetic valve 25, pressure regulator valve and electromagnetic valve be respectively connected with air motor and telescopic cylinder by pipe fitting 26, and connects with pressure gas source.
Lower chuck rotary apparatus 2 is by connecting firmly with tower body 1 phase inside chuck mounting seat, chuck right angle setting upward, upper chuck rotary apparatus 3 is connected with upper and lower haulage gear by chuck mounting seat, described haulage gear up and down includes slide and the ball screw being connected with slide, ball screw is connected with motor, and upper and lower haulage gear connects counterweight 5.The chuck of upper chuck rotary apparatus right angle setting down, the axis of upper and lower scroll chuck coincides.Described heating furnace is connected with elevating mechanism, and described elevating mechanism includes slide and the ball screw being connected with slide, and ball screw is connected with motor.Being connected with slide inside heating furnace, the furnace chamber axis of heating furnace coincides with the axis of chuck.
When needing upper rod before stretching, chuck needs to clamp workpiece 6(preform or plug), control gas circuit by electromagnetic valve 25 and make telescopic cylinder 27 action, shift fork 28 and clutch gear 21 is promoted to eject and engage with gear ring 11, then electromagnetic valve control air motor 18 rotates, driving gear pair 19 drives slip shaft 34 and clutch gear 21 to rotate by axle sleeve 20, reaches to drive the purpose of chuck gear ring clamping workpiece.After workpiece 6 is clamped, air motor stops the rotation, air motor air inlet is directly discharged by deafener, motor is by stall, clamping sensor 23 measuring rotating speed enumerator 24 (software set) signal within a period of time will cut off the air inlet of air motor 18 without switching, electromagnetic valve, and simultaneous retractable cylinder 27 is retracted, output gear 21 disengages with chuck gear ring 11, and the action of air spider clamping workpiece completes.
When stretching completes to need chuck to carry out unclamping workpiece, gas circuit effect telescopic cylinder 27 is controlled by electromagnetic valve 25, shift fork 28 and clutch gear 21 is promoted to eject, clutch gear 21 is made to engage with chuck gear ring 11, then electromagnetic valve 25 controls air motor 18 and reversely rotates, driving gear pair 19 drives clutch gear 21 to reversely rotate by axle sleeve 20, reaches the purpose driving chuck gear ring to unclamp workpiece.When claw unclamps certain position, the buting iron 14 being installed on claw will be displaced by sensor 15 perception, i.e. chuck and open and put in place, electromagnetic valve 25 will cut off the air inlet of air motor 18, cylinder 15 is retracted simultaneously, and clutch gear 21 disengages with chuck gear ring 11, and air spider unclamps the action of workpiece to be completed.
In drawing process, lower chuck rotary apparatus 2 and upper chuck rotary apparatus 3 need to keep the starting synchronized, rotate and stop, angle in order to prevent upper and lower scroll chuck circumference from rotating is asynchronous and causes workpiece to twist off, therefore needs the datum mark that the origin position of position rotating rotates as upper and lower scroll chuck in the rotating device.Stretching tower is in upper rod and lower rod operation, lower chuck rotary apparatus 2 and upper chuck rotary apparatus 3 all should be parked in origin position, end-face hole 31 at this position clutch gear 21 can be properly inserted pin 12 in situ, so clutch gear 21 has good non-yielding prop when engaging rotation with chuck gear ring 11, meanwhile, chuck opens buting iron 14 and opens level sensor 15 also in the position of alignment.This device defines this initial point by home position sensing 38 and initial point position bonding 39.
Claims (9)
1. an optical fiber preform bar stretching tower, include tower body, lower chuck rotary apparatus, upper chuck rotary apparatus and heating furnace, upper and lower upright guide rail it is provided with before tower body, fixing lower chuck rotary apparatus it is installed in the lower section of upper and lower upright guide rail, it is installed on upper chuck rotary apparatus moving up and down corresponding to lower chuck rotary apparatus above upper and lower upright guide rail, upper, it is installed on heating furnace on upright guide rail up and down between lower chuck rotary apparatus, described upper chuck rotary apparatus is connected with upper and lower haulage gear, described heating furnace is connected with elevating mechanism, it is characterized in that described upper, the chuck of lower chuck rotary apparatus is connected with pneumatic means；Described pneumatic means includes fixing seat, rotary sleeve is installed by bearing block on fixing seat, rotary sleeve connects air motor by gear pair, rotary sleeve passes through key or spline package slip shaft, the front end of slip shaft connects the clutch gear engaged with fluted disc, the rear end of slip shaft and air fork phase configuration.
2. the optical fiber preform bar stretching tower as described in claim 1, it is characterized in that described upper and lower chuck rotary apparatus includes chuck mounting seat, the front end of chuck mounting seat is installed on rotation main shaft by bearing block, it is connected with driving motor by actuating device in the lower end rotating main shaft, the upper end rotating main shaft is connected with chuck, and the flat thread dish of chuck is connected with pneumatic means by fluted disc.
3. the optical fiber preform bar stretching tower as described in claim 1 or 2, it is characterised in that described chuck is scroll chuck, is installed on chuck and opens put in place buting iron and displacement transducer, and described displacement transducer includes opening level sensor and circumference home position sensing.
4. the optical fiber preform bar stretching tower as described in claim 1, it is characterised in that described air fork includes the sliding sleeve phase configuration of the shift fork being hinged on fixing seat, the front end of shift fork and slip shaft rear end, and the rear end of shift fork is connected with telescopic cylinder.
5. the optical fiber preform bar stretching tower as described in claim 4, it is characterised in that be installed on pin in situ at the back side of chuck, offer end-face hole in the front end of clutch gear, in situ pin and the end-face hole phase configuration of clutch gear.
6. the optical fiber preform bar stretching tower as described in claim 4, it is characterised in that be installed on pressure regulator valve and electromagnetic valve, pressure regulator valve and electromagnetic valve on described fixing seat and be respectively connected with air motor and telescopic cylinder by pipe fitting, and connect with pressure gas source.
7. the optical fiber preform bar stretching tower as described in claim 2, it is characterized in that described driving motor is servomotor, described actuating device includes and rotates the gear ring that main shaft is connected and the driving gear being connected with driving motor output shaft, drives gear to be connected with gear ring by synchronous cog belt.
8. the optical fiber preform bar stretching tower as described in claim 1 or 2, it is characterized in that described upper chuck rotary apparatus is connected with upper and lower haulage gear by chuck mounting seat, described haulage gear up and down includes slide and the ball screw being connected with slide, and ball screw is connected with motor.
9. the optical fiber preform bar stretching tower as described in claim 1 or 2, it is characterised in that described heating furnace is connected with elevating mechanism, described elevating mechanism includes slide and the ball screw being connected with slide, and ball screw is connected with motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410474723.5A CN104230162B (en) | 2014-09-18 | 2014-09-18 | A kind of optical fiber preform bar stretching tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410474723.5A CN104230162B (en) | 2014-09-18 | 2014-09-18 | A kind of optical fiber preform bar stretching tower |
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| Publication Number | Publication Date |
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| CN104230162A CN104230162A (en) | 2014-12-24 |
| CN104230162B true CN104230162B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410474723.5A Active CN104230162B (en) | 2014-09-18 | 2014-09-18 | A kind of optical fiber preform bar stretching tower |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105150005B (en) * | 2015-08-18 | 2018-03-20 | 长飞光纤光缆股份有限公司 | A kind of composite shaft system for vertical feeding mechanism |
| CN110209161A (en) * | 2019-04-30 | 2019-09-06 | 江苏通鼎光棒有限公司 | A kind of optical fiber preform body intelligent transport vehicle and its transportation resources |
| CN110950528A (en) * | 2019-12-12 | 2020-04-03 | 烽火通信科技股份有限公司 | Device and method for preparing loose body of optical fiber preform rod by VAD |
| CN111443061A (en) * | 2020-01-10 | 2020-07-24 | 长飞光纤光缆股份有限公司 | Optical fiber perform automatic check out test set |
| CN111268900A (en) * | 2020-01-10 | 2020-06-12 | 长飞光纤光缆股份有限公司 | Hollow type automatic rotating clamping chuck |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322686A (en) * | 2000-05-09 | 2001-11-21 | 朗迅科技公司 | Method for producing optical fibre containing core diameter distribution adjustment |
| JP4289173B2 (en) * | 2004-02-25 | 2009-07-01 | 住友電気工業株式会社 | Method and apparatus for stretching glass body |
| CN101481208A (en) * | 2009-02-09 | 2009-07-15 | 富通集团有限公司 | Method of stretching glass preform bar |
| CN202317092U (en) * | 2011-12-01 | 2012-07-11 | 江苏天宏机械工业有限公司 | Turnover spindle chuck |
-
2014
- 2014-09-18 CN CN201410474723.5A patent/CN104230162B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1322686A (en) * | 2000-05-09 | 2001-11-21 | 朗迅科技公司 | Method for producing optical fibre containing core diameter distribution adjustment |
| JP4289173B2 (en) * | 2004-02-25 | 2009-07-01 | 住友電気工業株式会社 | Method and apparatus for stretching glass body |
| CN101481208A (en) * | 2009-02-09 | 2009-07-15 | 富通集团有限公司 | Method of stretching glass preform bar |
| CN202317092U (en) * | 2011-12-01 | 2012-07-11 | 江苏天宏机械工业有限公司 | Turnover spindle chuck |
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| CN104230162A (en) | 2014-12-24 |
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