CN103964684A - Machine tool for depositing optical fiber preform rods by outside chemical vapor deposition method - Google Patents
Machine tool for depositing optical fiber preform rods by outside chemical vapor deposition method Download PDFInfo
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- CN103964684A CN103964684A CN201410178584.1A CN201410178584A CN103964684A CN 103964684 A CN103964684 A CN 103964684A CN 201410178584 A CN201410178584 A CN 201410178584A CN 103964684 A CN103964684 A CN 103964684A
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- blowtorch
- lathe
- deposition process
- preform
- deposition
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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 invention relates to a machine tool for depositing optical fiber preform rods by an outside chemical vapor deposition method. The machine tool comprises a tool body; a reciprocating seat and blow lamps are respectively arranged on the tool body; rotary chucks are arranged on the reciprocating seat. The machine tool is characterized in that the blow lamps correspond to the rotary chucks, and are mounted below the axis of rotation; the blow lamps are connected with a feeding mechanism; the feeding direction of the feeding mechanism is perpendicular to the axis of rotation. The blow lamps can be subjected to dynamic regulation and control with the change of the deposition diameters of the optical fiber preform rods, so that the distances between the blow lamps and the deposition surfaces of the optical fiber preform rods are kept to be relatively constant, the blow lamps are always kept to be at optimal jet distance during the deposition process, so that not only can the uniformity of the jet dust granularity be maintained, but also the deposition precision and the deposition quality of the preform rods can be effectively improved, which effectively improves the deposition processing efficiency; the rotary chucks and the blow lamps are adopted, so that the processing efficiency of the optical fiber preform rods can be improved greatly.
Description
Technical field
The present invention relates to the outside vapour deposition process deposition of a kind of preform lathe, belong to apparatus for preparing optical fiber blanks technical field.
Background technology
The manufacture of preform has several different methods, is mainly divided at present sedimentation and pipe external sediment method in pipe.In pipe, method mainly contains modified chemical vapor deposition process (MCVD) MCVD and microwave plasma chemical vapour deposition process PCVD, in pipe, deposition method is owing to being subject to depositing the restriction of caliber, diameter is not easy to do greatly, be suitable for the special optical fiber prefabricated rods of plug and the small diameter of manufacturing prefabricated rods, plug carries out sleeve pipe or plasma spraying again after making, to manufacture the surrounding layer part of prefabricated rods, finally manufacture major diameter prefabricated rods, making processes is comparatively complicated.Pipe external sediment method mainly contains axial vapor deposition method VAD and outside vapour deposition process OVD, outside vapour deposition process is not subject to the restriction of deposited tube diameter, diameter and length can be unrestricted in theory, at present in actual production, more than the external diameter of prefabricated rods can reach 150mm.
The development of Optical Fiber Market is very rapid, compete also more and more fierce, for reducing fiber manufacturing cost, OVD(Outside Chemical Vapor Deposition in recent years) sedimentation manufacture prefabricated rods to two future developments, the one, prefabricated rods is done larger and larger, and having realized single prefabricated rods can be more than wire drawing optical fiber 8000km.China Patent No. CN 101328012A adopts VAD method to manufacture large-diameter optical fiber prefabricated stick plug, after will plug extending, be inserted in quartz socket tube, is sent to extend in stove, to carry out thermoplastic and fuse into large-sized prefabricated rods.China Patent No. CN1884165 provides a kind of VAD method to manufacture prefabricated rod mandrel, in drawing optical fibers, plug molten contracting together with sleeve pipe being realized to wire drawing, reduces operation, reduces costs, and appears the method for manufacturing large preform rod suddenly.Another direction is that the prefabricated rods quantity of single equipment inside deposition increases, separate unit OVD equipment can deposit multiple prefabricated rods simultaneously, the efficiency of depositing device is fully utilized, increase little in the situation that in facility investment, single equipment production capacity is largely increased, China Patent No. is that CN 1778743A has proposed one and can install simultaneously and manufacture multiple prefabricated rods, and can carry out according to prefabricated rods length the many prefabricated rods of the single equipment manufacturing system simultaneously of lathe adjustment.But, in existing outside vapor deposition apparatus, the centreline spacing of blowtorch and target rod is changeless, along with the variation of deposition prefabricated rods diameter, the distance of blowtorch and prefabricated rods depositional plane can be more and more less, this not only can affect dust granules degree and deposition effect, and can affect the efficiency of deposition process.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of blowtorch and spacing of prefabricated rods depositional plane of making to carry out dynamically adjusting to keep the outside vapour deposition process deposition of relative constant preform lathe, and it can not only strengthen the deposition quality of prefabricated rods and can improve the efficiency of deposition.
The present invention for the technical scheme that the problem of the above-mentioned proposition of solution adopts is: include lathe bed, on lathe bed, install respectively and move back and forth seat and blowtorch, move back and forth and on seat, be installed on rotary chuck, it is characterized in that described blowtorch is installed in the below of rotation corresponding to rotary chuck, and blowtorch is connected with feed mechanism, direction of feed and the rotation of described feed mechanism are perpendicular.
Press such scheme, be also installed on range cells on lathe bed, range cells is carried out continuously or the online detection being interrupted the spacing between blowtorch and depositional plane.
Press such scheme, be provided with control unit, described control unit is connected respectively with feed mechanism with range cells, makes blowtorch dynamically adjust with the spacing of prefabricated rods depositional plane or keep relative constant.
Press such scheme, fixed sliding plate is installed respectively in both sides at lathe bed, is provided with guide rail in fixed sliding plate, and the described seat that moves back and forth is installed in fixed sliding plate and guide rail phase configuration, rotary chuck is installed in and moves back and forth seat above, and the rotation of the corresponding rotary chuck arranging in both sides coincides.
Press such scheme, described moves back and forth seat for horizontal reciprocating Mobile base, and described feed mechanism is vertical feeding mechanism.
Press such scheme, range cells is the spacing between continuously measured blowtorch and depositional plane in deposition process, and Real-time Feedback is to control unit, after control unit contrast set(ting)value, output signal, to the drive system of feed mechanism, realizes the Real-time and Dynamic control of blowtorch and depositional plane spacing.
Press such scheme, described vertical feeding mechanism comprises vertical lifting platform, and vertical lifting platform two ends are connected with guide rod or vertical guideway, and centre is connected with feed screw nut's drive unit, installs blowtorch on vertical lifting platform.
Press such scheme, described horizontal reciprocating Mobile base comprises and moves horizontally platform, move horizontally below platform before and after both sides the longitudinal rail phase configuration arranging in guide groove and fixed sliding plate is set, move horizontally below platform and be also connected with reciprocating drive unit.
Press such scheme, on described horizontal reciprocating Mobile base, parallel interval is installed on 1 ~ 4 pair of rotary chuck, installs 1 ~ 4 blowtorch corresponding to rotary chuck interval on vertical lifting platform.
Press such scheme, above moving back and forth seat, rotary chuck is installed on shield cap outward, is provided with viewing window on shield cap, and shield cap top is connected with gas exhaust duct.
Beneficial effect of the present invention is: 1, blowtorch can dynamically be adjusted and control along with the variation of prefabricated rods sedimentation diameter, make blowtorch keep relative constant with the spacing of prefabricated rods depositional plane, make blowtorch in deposition process remain best jet length, this can not only keep spraying the homogeneity of dust granules degree, and can effectively improve deposition accuracy and the deposition quality of prefabricated rods; 2,, because blowtorch in deposition process remains best jet length, can make that pulverized powder is as much as possible to be deposited on target rod, thereby effectively improve the efficiency of deposition process; 3, adopt the structure of multiple rotary chucks and multiple blowtorch, make an equipment can process many prefabricated rods simultaneously, can greatly improve the working (machining) efficiency of outside method deposition process preform; 4, can avoid the impact of aggressive chemistry reactant on processing environment.
Brief description of the drawings
Fig. 1 is the side-looking structure iron of the blowtorch vertical lifting platform of one embodiment of the invention.
Fig. 2 be one embodiment of the invention blowtorch face structure iron.
Fig. 3 is the structure iron of facing of one embodiment of the invention.
Embodiment
Further illustrate specific embodiment of the invention scheme below in conjunction with accompanying drawing.
Include lathe bed 8, fixed sliding plate 13 is installed respectively in both sides at lathe bed, in fixed sliding plate, be provided with longitudinal rail, in fixed sliding plate, install and move back and forth seat and longitudinal rail phase configuration, described moves back and forth seat for horizontal reciprocating Mobile base, described horizontal reciprocating Mobile base comprises and moves horizontally platform, move horizontally below platform before and after both sides the longitudinal rail item arranging in guide groove and fixed sliding plate be set configure, move horizontally below platform and be also connected with reciprocating drive unit.On horizontal reciprocating Mobile base, parallel interval is installed 3 pairs of rotary chucks 14, and every pair of rotary chuck is connected with the horizontal reciprocating Mobile base of both sides respectively, and the rotation of every pair of corresponding rotary chuck arranging coincides.Rotary chuck can move forward and backward along rotation with horizontal reciprocating Mobile base, to adjust the distance between every pair of rotary chuck, for processing the target rod 12 of different lengths.Below rotation, install 3 blowtorch 2 corresponding to rotary chuck, blowtorch is connected with feed mechanism, described feed mechanism is vertical feeding mechanism, described vertical feeding mechanism comprises vertical lifting platform 6, vertical lifting platform two ends are connected with guide rod or vertical guideway 4, centre is connected with feed screw nut's drive unit, described feed screw nut's drive unit comprises the nut sleeve 5 connecting firmly with vertical lifting platform, with with the screw mandrel 7 of nut sleeve to configuration, the lower end of screw mandrel is connected by shaft coupling 10 and stepper-motor.On vertical lifting platform, install blowtorch corresponding to rotary chuck parallel interval.Blowtorch is connected by blowtorch fixed cell 3 and vertical lifting platform, blowtorch fixed cell 3 comprises fixation kit and gas connecting tube, fixation kit ensures that blowtorch is fixed on vertical lifting platform, blowtorch can be moved up and down along with moving of lifting gantry 6, upper end, gas connection pipe road connects blowtorch, and lower end connects gas Flowrate Control System.On lathe bed, be also installed on range cells 11, range cells is carried out continuously or the online detection being interrupted the spacing between blowtorch and depositional plane.Be provided with control unit, described control unit is connected respectively with feed mechanism with range cells, makes blowtorch dynamically adjust with the spacing of prefabricated rods 1 depositional plane or keep relative constant.Above moving back and forth seat, rotary chuck is installed on shield cap outward, is provided with viewing window on shield cap, and shield cap top is connected with gas exhaust duct.
Blowtorch 2 provides chemical gas combustion reactor, and main chemical reaction is as follows:
2H
2+O
2=2H
2O
SiCL
4+ H
2o=SiO
2+ HCL(hydrolysis reaction)
SiCL
4+ O
2=SiO
2+ 2CL
2(oxidizing reaction)
Produce heat by hydrogen and oxygen reaction, silicon-dioxide is produced in silicon tetrachloride reaction, most SiO 2 powder can be deposited on the surface of target rod, form soot preforms, diameter and the weight of prefabricated rods slowly increase simultaneously, the part that does not become prefabricated rods is taken away by exhaust system, carries out subsequent disposal.
Claims (10)
1. the outside vapour deposition process deposition of a preform lathe, include lathe bed, on lathe bed, install respectively and move back and forth seat and blowtorch, move back and forth and on seat, be installed on rotary chuck, it is characterized in that described blowtorch is installed in the below of rotation corresponding to rotary chuck, and blowtorch is connected with feed mechanism, direction of feed and the rotation of described feed mechanism are perpendicular.
2. by the outside vapour deposition process deposition of preform claimed in claim 1 lathe, it is characterized in that being also installed on range cells on lathe bed, range cells is carried out continuously or the online detection being interrupted the spacing between blowtorch and depositional plane.
3. by the outside vapour deposition process deposition of preform claimed in claim 2 lathe, it is characterized in that being provided with control unit, described control unit is connected respectively with feed mechanism with range cells, makes blowtorch dynamically adjust with the spacing of prefabricated rods depositional plane or keep relative constant.
4. by the outside vapour deposition process deposition of the preform described in claim 1 or 2 lathe, it is characterized in that installing respectively fixed sliding plate in the both sides of lathe bed, in fixed sliding plate, be provided with guide rail, the described seat that moves back and forth is installed in fixed sliding plate and guide rail phase configuration, rotary chuck is installed in and moves back and forth seat above, and the rotation of the corresponding rotary chuck arranging in both sides coincides.
5. by the outside vapour deposition process deposition of the preform described in claim 1 or 2 lathe, it is characterized in that described moving back and forth seat for horizontal reciprocating Mobile base, described feed mechanism is vertical feeding mechanism.
6. by the outside vapour deposition process deposition of preform claimed in claim 3 lathe, it is characterized in that range cells spacing between continuously measured blowtorch and depositional plane in deposition process, and Real-time Feedback is to control unit, after control unit contrast set(ting)value, output signal, to the drive system of feed mechanism, realizes the Real-time and Dynamic control of blowtorch and depositional plane spacing.
7. by the outside vapour deposition process deposition of preform claimed in claim 5 lathe, it is characterized in that described vertical feeding mechanism comprises vertical lifting platform, vertical lifting platform two ends are connected with guide rod or vertical guideway, centre is connected with feed screw nut's drive unit, installs blowtorch on vertical lifting platform.
8. by the outside vapour deposition process deposition of preform claimed in claim 5 lathe, it is characterized in that described horizontal reciprocating Mobile base comprises moves horizontally platform, before and after moving horizontally below platform, both sides arrange the longitudinal rail phase configuration arranging in guide groove and fixed sliding plate, move horizontally below platform and are also connected with reciprocating drive unit.
9. by the outside vapour deposition process deposition of preform claimed in claim 5 lathe, it is characterized in that on described horizontal reciprocating Mobile base, parallel interval is installed on 1 ~ 4 pair of rotary chuck, install 1 ~ 4 blowtorch corresponding to rotary chuck interval on vertical lifting platform.
10. by the outside vapour deposition process deposition of the preform described in claim 1 or 2 lathe, it is characterized in that rotary chuck is installed on shield cap outward above moving back and forth seat, be provided with viewing window on shield cap, shield cap top is connected with gas exhaust duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410178584.1A CN103964684A (en) | 2014-04-30 | 2014-04-30 | Machine tool for depositing optical fiber preform rods by outside chemical vapor deposition method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410178584.1A CN103964684A (en) | 2014-04-30 | 2014-04-30 | Machine tool for depositing optical fiber preform rods by outside chemical vapor deposition method |
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| CN103964684A true CN103964684A (en) | 2014-08-06 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105776839A (en) * | 2016-04-28 | 2016-07-20 | 江苏亨通光导新材料有限公司 | Optic fiber prefabricated loose mass deposition device and deposition method thereof |
| CN106587590A (en) * | 2016-12-21 | 2017-04-26 | 长飞光纤光缆股份有限公司 | Equipment for depositing optical fiber preforms by OVD (Outside Vapor Deposition) process |
| CN106892555A (en) * | 2017-02-15 | 2017-06-27 | 天津富通集团有限公司 | The manufacturing process of large-scale optical fiber prefabricating stick |
| CN107216020A (en) * | 2017-07-01 | 2017-09-29 | 北京曙光明电子光源仪器有限公司 | A kind of automatic glass lathe |
| CN107804966A (en) * | 2017-10-30 | 2018-03-16 | 深圳市中科智诚科技有限公司 | A kind of intelligent preform production equipment with recovery function |
| CN110194588A (en) * | 2019-05-27 | 2019-09-03 | 江苏通鼎光棒有限公司 | A kind of OVD precipitation equipment of high deposition qualification rate |
| CN113480162A (en) * | 2019-07-29 | 2021-10-08 | 富通集团有限公司 | Prefabricated excellent processing equipment |
| CN114507006A (en) * | 2022-03-02 | 2022-05-17 | 武汉烽火锐拓科技有限公司 | Production system of OVD (over-the-counter) deposition process and OVD deposition process |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017185903A1 (en) * | 2016-04-28 | 2017-11-02 | 江苏亨通光导新材料有限公司 | Optical fiber preform loose mass deposition device and deposition method therefor |
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| CN106587590A (en) * | 2016-12-21 | 2017-04-26 | 长飞光纤光缆股份有限公司 | Equipment for depositing optical fiber preforms by OVD (Outside Vapor Deposition) process |
| CN109987833A (en) * | 2017-02-15 | 2019-07-09 | 天津富通集团有限公司 | The surrounding layer equipment of preform |
| CN109912191B (en) * | 2017-02-15 | 2021-08-06 | 天津富通集团有限公司 | Manufacturing process of optical fiber preform |
| CN109987833B (en) * | 2017-02-15 | 2021-08-06 | 天津富通集团有限公司 | Manufacturing process of optical fiber preform |
| CN106892555B (en) * | 2017-02-15 | 2019-05-24 | 天津富通集团有限公司 | The manufacturing process of large-scale optical fiber prefabricating stick |
| CN109912191A (en) * | 2017-02-15 | 2019-06-21 | 天津富通集团有限公司 | The manufacturing process of preform |
| CN106892555A (en) * | 2017-02-15 | 2017-06-27 | 天津富通集团有限公司 | The manufacturing process of large-scale optical fiber prefabricating stick |
| CN107216020A (en) * | 2017-07-01 | 2017-09-29 | 北京曙光明电子光源仪器有限公司 | A kind of automatic glass lathe |
| CN107216020B (en) * | 2017-07-01 | 2023-08-01 | 北京曙光明电子光源仪器有限公司 | Automatic glass lathe |
| CN107804966A (en) * | 2017-10-30 | 2018-03-16 | 深圳市中科智诚科技有限公司 | A kind of intelligent preform production equipment with recovery function |
| CN110194588A (en) * | 2019-05-27 | 2019-09-03 | 江苏通鼎光棒有限公司 | A kind of OVD precipitation equipment of high deposition qualification rate |
| CN110194588B (en) * | 2019-05-27 | 2022-02-22 | 江苏通鼎光棒有限公司 | OVD deposition device with high deposition qualified rate |
| CN113480162A (en) * | 2019-07-29 | 2021-10-08 | 富通集团有限公司 | Prefabricated excellent processing equipment |
| CN113480162B (en) * | 2019-07-29 | 2022-11-04 | 富通集团有限公司 | Prefabricated excellent processing equipment |
| CN114507006A (en) * | 2022-03-02 | 2022-05-17 | 武汉烽火锐拓科技有限公司 | Production system of OVD (over-the-counter) deposition process and OVD deposition process |
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Application publication date: 20140806 |