CN101139162B - Equipment for preparing heavy metallic oxide glass fibre-optical prefabricated rod cladding sheathed tube - Google Patents
Equipment for preparing heavy metallic oxide glass fibre-optical prefabricated rod cladding sheathed tube Download PDFInfo
- Publication number
- CN101139162B CN101139162B CN2007100704688A CN200710070468A CN101139162B CN 101139162 B CN101139162 B CN 101139162B CN 2007100704688 A CN2007100704688 A CN 2007100704688A CN 200710070468 A CN200710070468 A CN 200710070468A CN 101139162 B CN101139162 B CN 101139162B
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- Prior art keywords
- driving
- tail spindle
- head
- oxide glass
- coaxial
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
- C03B37/01265—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt
- C03B37/01271—Manufacture of preforms for drawing fibres or filaments starting entirely or partially from molten glass, e.g. by dipping a preform in a melt by centrifuging
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
The present invention discloses a preparation device for blanket casing of heavy metal oxide glass fiber perform rod, which comprises a bottom plate, a guide rail and a rotary driving device which are fixedly arranged on the bottom plate. A rotating center device is arranged on the guide rail. The preparation equipment for casing for blanket of heavy metal oxide glass fiber perform rod is characterized in that a driving tail spindle is arranged on the rotary driving device and a rotary tail spindle which is coaxial with the driving tail spindle is arranged on the rotating center device and a tail rotating head and a rotary driving head are respectively coaxially arranged on the rotary tail spindle and the driving tail spindle. A roll tube is coaxially arranged between the tail rotating head and the rotary driving head and a quartz tube with an opening at one end is coaxially arranged in the roll tube. A sealing cover is arranged at the opening of the quartz tube. The advantages are that the heavy metal oxide glass for preparation of the blanket casing is melted and poured into the quartz tube, and then the heavy metal oxide glass in the quartz tube is switched outwards through the centrifugal force generated from rotation and an internal blanket casing rod with through holes of the internal core can be thus formed, and moreover, the through holes of the internal core are smooth and the external contamination caused due to the mechanical dimensions drilling is not resulted in.
Description
Technical field
The present invention relates to a kind of covering sleeve pipe of heavy metal oxide glass preform, especially relate to a kind of preparation facilities of heavy metallic oxide glass fibre-optical prefabricated rod cladding sheathed tube.
Background technology
Characteristics such as the general tool high-density of heavy metal oxide glass (mainly comprising tellurate, bismuthate, re-oxidation lead glass), high expansion coefficient and high refractive index are subjected to people in opticfiber communication and nonlinear application field and more and more pay attention to.With the tellurate glass is example, and rare earth ion doped tellurate glass is considered to the ideal basis material as broadband optical fiber amplifier, adopts the Er that mixes of tellurate glass matrix (being called for short telluro glass)
3+Optical fiber or mix Tm
3+Optical fiber can make signal the C+L wave band (1530～1610nm) or S-band (1420～1520nm) broad band region realize effectively amplifying.Therefore, tellurate glass can be used as the substrate material of the active glass optical fiber of broad band amplifier.But, the substrate material of telluro optical fiber is based on a kind of polycomponent heavy metal oxide tellurate glass, this material generally has specific refractory power height, fusing point is low, the coefficient of expansion is high characteristics, therefore can not prepare preform and can only wait as adopting the vapour deposition process (MCVD) that resembles preparation silica-based optical fiber prefabricated rods to prepare the telluro preform with excellent combined method of pipe or column absorbing method.Number of patent application is Chinese invention patent application " a kind of Yb of 200410067898.0
3+Adulterated tellurate glass doubly-clad optical fiber " specification sheets in a kind of method that adopts rod-in-tube technique to prepare tellurium-based glass fibre-optical prefabricated rod is disclosed, it at first is the glass bulk material of preparation fibre core or inner cladding, adopt method (the i.e. cutting of opticglass mechanical workout, the thick throwing, polishing etc.) glass of fiber core is processed into pole, it is square or rectangle glass stick that the inner cladding glass processing is become end face, the axial centre of the method inner cladding glass stick by machine drilling boring then, and internally the cladding glass pipe orifice carries out optical polish, with ultrasonic wave etc. the surface of plug and inner cladding cover rod is cleaned again, plug is inserted in the inner cladding center glass rod circular hole then and obtains preform, this method is that typical rod-in-tube technique prepares the preform method, it is relative simple with inner cladding preparation processing to have plug, is easy to control inner cladding end surface shape or the like advantage.But adopt the machine drilling method to process the inner cladding glass bushing, make the inner cladding glass bushing after the processing have some defectives: to be subjected to the development restriction as the minimum diameter of inner cladding glass bushing endoporus and the smooth degree of internal surface, generally can only bore diameter of bore is the above hole of 5mm, and the degree of depth often is limited in the 10cm, the polishing on the surface of endoporus processing also is the comparison difficulty, adds the pollution that produces man-hour and also causes the preform loss for preparing higher easily.
Summary of the invention
It is unrestricted that technical problem to be solved by this invention provides a kind of covering sleeve pipe diameter of bore, and internal surface does not need to polish and do not have the preparation facilities of the heavy metallic oxide glass fibre-optical prefabricated rod cladding sheathed tube that secondary processing that machine drilling causes pollutes.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of preparation facilities of heavy metallic oxide glass fibre-optical prefabricated rod cladding sheathed tube, comprise base plate and the guide rail and the rotating driving device that are fixedly installed on the described base plate, described guide rail is provided with the live centre device, described rotating driving device is provided with the driving tail spindle, described live centre device is provided with and the co-axial live centre axle of described driving tail spindle, coaxial respectively apical grafting has afterbody rotating head and rotation driving head on described live centre axle and the described driving tail spindle, be provided with the driving coupling device between described rotation driving head and the described driving tail spindle, be coaxially arranged with swivel pipe between described afterbody rotating head and the described rotation driving head, described afterbody rotating head and described rotation driving head are threaded in the two ends of described swivel pipe respectively, be coaxially arranged with the silica tube of the end opening of apical grafting between described afterbody rotating head and described rotation driving head in the described swivel pipe, the opening part of described silica tube is provided with sealing cover.
Described driving coupling device comprises driving pipe connecting and drive pin, described driving pipe connecting is coaxial to be set on described rotation driving head and the described driving tail spindle, and described rotation driving head is fixedlyed connected with described driving pipe connecting by described drive pin respectively with described driving tail spindle.
Described rotating driving device comprises synchronous cog belt and the drive-motor and the bearing support that are fixedly installed on the described base plate, be provided with bearing in the described bearing support, described driving tail spindle is coaxial to be arranged in the described bearing, coaxially on the described driving tail spindle be set with driven synchronous pulley, the coaxial driving synchronous pulley that is set with on the output shaft of described drive-motor, described synchronous cog belt cooperatively interact with described driving synchronous pulley and described driven synchronous pulley respectively.
The coaxial swivel plate that is set with of the afterbody of described driving tail spindle, be set with sensor stand on the described base plate, be set with Hall element on the described sensor stand, described swivel plate is provided with and the corresponding magnetic steel ingot of described Hall element.
Compared with prior art, advantage of the present invention is owing to be provided with coaxial sheathed swivel pipe and silica tube mutually in the whole preparation facilities, and drive its rotation by rotating driving device, as long as pour in the silica tube after therefore will preparing covering telescopic heavy metal oxide glass heat fused, the centrifugal force that produces by rotation can form the inner cladding cover rod with inner core through hole with the outside whipping of the heavy metal oxide glass in the silica tube, and need not to carry out other processing, problems such as the machine center bore process causes that glass bursts apart have easily been changed, and the inner core through hole is smooth, does not have because the external contamination that machine drilling causes; Again because quartzy (5～7 * 10
-7/ ℃) with the thermal expansivity (140～180 * 10 of heavy metal oxide glass
-7/ ℃) differ bigger, when temperature descended, the degree varies sample that shrinks between telluro covering sleeve pipe and the silica tube caused heavy metal oxide glass pipe and silica tube inwall natural separation, separated level and smooth bright and clean need not of back heavy metal oxide glass tube outer surface and polished; In addition, be provided with the rotating speed induction installation at the afterbody that drives tail spindle, can make things convenient for the rotating speed of controls revolution pipe in time, guaranteed covering telescopic quality, the volume that size that can also be by changing the quartz tubular pipe or change be poured into heavy metal oxide glass liquation in the silica tube is prepared the heavy metal oxide glass covering sleeve pipe (minimum diameter of bore can reach in the 2mm) of various outer diameter size and different diameter of bores easily.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As shown in the figure, a kind of preparation facilities of heavy metallic oxide glass fibre-optical prefabricated rod cladding sheathed tube, comprise base plate 23, drive tail spindle 12 and the drive-motor 1 that is fixedly installed on the base plate 23, bearing support 6 and guide rail 22, be provided with bearing 8 in the bearing support 6, drive tail spindle 12 coaxial being arranged in the bearing 8, drive and coaxially on the tail spindle 12 to be set with driven synchronous pulley 7, drive synchronous pulley 2 by motor shaft trim ring 3 and nut 4 coaxial being set with on the output shaft of drive-motor 1, drive synchronous pulley 2 and be provided with synchronous cog belt 5, synchronous cog belt 5 cooperatively interacts with driven synchronous pulley 7, drive the coaxial swivel plate 11 that is set with of afterbody of tail spindle 12, be set with sensor stand 9 on the base plate 23, be set with Hall element 10 on the sensor stand 9, swivel plate 11 is provided with and Hall element 10 corresponding magnetic steel ingots 24, guide rail 22 is provided with live centre device 21, live centre device 21 is provided with and drives tail spindle 12 co-axial live centre axles 20, live centre axle 20 with drive that coaxial respectively apical grafting has afterbody rotating head 19 and rotation driving head 15 on the tail spindle 12, rotate driving head 15 and drive the coaxial driving pipe connecting 13 that is arranged with on the tail spindle 12, rotation driving head 15 is fixedlyed connected with driving pipe connecting 13 by drive pin 14 respectively with driving tail spindle 12, be coaxially arranged with swivel pipe 18 between afterbody rotating head 19 and the rotation driving head 15, afterbody rotating head 19 and rotation driving head 15 are threaded in the two ends of swivel pipe 18 respectively, be coaxially arranged with the silica tube 17 of the end opening of apical grafting between afterbody rotating head 19 and rotation driving head 15 in the swivel pipe 18, the opening part of silica tube 17 is provided with sealing cover 16.
Claims (4)
1. the preparation facilities of a heavy metallic oxide glass fibre-optical prefabricated rod cladding sheathed tube, comprise base plate and the guide rail and the rotating driving device that are fixedly installed on the described base plate, described guide rail is provided with the live centre device, it is characterized in that described rotating driving device is provided with the driving tail spindle, described live centre device is provided with and the co-axial live centre axle of described driving tail spindle, coaxial respectively apical grafting has afterbody rotating head and rotation driving head on described live centre axle and the described driving tail spindle, be provided with the driving coupling device between described rotation driving head and the described driving tail spindle, be coaxially arranged with swivel pipe between described afterbody rotating head and the described rotation driving head, described afterbody rotating head and described rotation driving head are threaded in the two ends of described swivel pipe respectively, be coaxially arranged with the silica tube of the end opening of apical grafting between described afterbody rotating head and described rotation driving head in the described swivel pipe, the opening part of described silica tube is provided with sealing cover.
2. the preparation facilities of a kind of heavy metallic oxide glass fibre-optical prefabricated rod cladding sheathed tube as claimed in claim 1, it is characterized in that described driving coupling device comprises driving pipe connecting and drive pin, described driving pipe connecting is coaxial to be set on described rotation driving head and the described driving tail spindle, and described rotation driving head is fixedlyed connected with described driving pipe connecting by described drive pin respectively with described driving tail spindle.
3. the preparation facilities of a kind of heavy metallic oxide glass fibre-optical prefabricated rod cladding sheathed tube as claimed in claim 1, it is characterized in that described rotating driving device comprises synchronous cog belt and the drive-motor and the bearing support that are fixedly installed on the described base plate, be provided with bearing in the described bearing support, described driving tail spindle is coaxial to be arranged in the described bearing, coaxially on the described driving tail spindle be set with driven synchronous pulley, the coaxial driving synchronous pulley that is set with on the output shaft of described drive-motor, described synchronous cog belt cooperatively interact with described driving synchronous pulley and described driven synchronous pulley respectively.
4. the preparation facilities of a kind of heavy metallic oxide glass fibre-optical prefabricated rod cladding sheathed tube as claimed in claim 1, the coaxial swivel plate that is set with of afterbody that it is characterized in that described driving tail spindle, be set with sensor stand on the described base plate, be set with Hall element on the described sensor stand, described swivel plate is provided with and the corresponding magnetic steel ingot of described Hall element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100704688A CN101139162B (en) | 2007-08-02 | 2007-08-02 | Equipment for preparing heavy metallic oxide glass fibre-optical prefabricated rod cladding sheathed tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100704688A CN101139162B (en) | 2007-08-02 | 2007-08-02 | Equipment for preparing heavy metallic oxide glass fibre-optical prefabricated rod cladding sheathed tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101139162A CN101139162A (en) | 2008-03-12 |
| CN101139162B true CN101139162B (en) | 2010-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100704688A Expired - Fee Related CN101139162B (en) | 2007-08-02 | 2007-08-02 | Equipment for preparing heavy metallic oxide glass fibre-optical prefabricated rod cladding sheathed tube |
Country Status (1)
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|---|---|
| CN (1) | CN101139162B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039452A (en) * | 2009-10-19 | 2011-05-04 | 西安贝吉姆机床股份有限公司 | Movable center locking mechanism of gear grinding machine |
| CN107414608B (en) * | 2017-09-07 | 2023-02-28 | 河南工业大学 | Rotary type optical fiber preform magnetorheological polishing machine and polishing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5160359A (en) * | 1990-07-11 | 1992-11-03 | Alcatel N.V. | Apparatus and method for drawing an optical fiber from a solid blank |
| CN1267369A (en) * | 1997-08-19 | 2000-09-20 | 皮雷利·卡维系统有限公司 | Method of and apparatus for mfg. optical fiber preform |
-
2007
- 2007-08-02 CN CN2007100704688A patent/CN101139162B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5160359A (en) * | 1990-07-11 | 1992-11-03 | Alcatel N.V. | Apparatus and method for drawing an optical fiber from a solid blank |
| CN1267369A (en) * | 1997-08-19 | 2000-09-20 | 皮雷利·卡维系统有限公司 | Method of and apparatus for mfg. optical fiber preform |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-362936A 2002.12.18 |
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| Publication number | Publication date |
|---|---|
| CN101139162A (en) | 2008-03-12 |
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