CN114988686A - Telescopic clamping device applied to preparation of hollow anti-resonance optical fiber perform - Google Patents
Telescopic clamping device applied to preparation of hollow anti-resonance optical fiber perform Download PDFInfo
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- CN114988686A CN114988686A CN202210481963.2A CN202210481963A CN114988686A CN 114988686 A CN114988686 A CN 114988686A CN 202210481963 A CN202210481963 A CN 202210481963A CN 114988686 A CN114988686 A CN 114988686A
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- clamping
- optical fiber
- fixed cylinder
- hollow
- holes
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 4
- 239000011521 glass Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000012510 hollow fiber Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Classifications
-
- 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
- C03B37/01205—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
- C03B37/01211—Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments by inserting one or more rods or tubes into a tube
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2203/00—Fibre product details, e.g. structure, shape
- C03B2203/10—Internal structure or shape details
- C03B2203/14—Non-solid, i.e. hollow products, e.g. hollow clad or with core-clad interface
- C03B2203/16—Hollow core
-
- 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
Abstract
The invention discloses a telescopic clamping device applied to preparation of a hollow anti-resonance optical fiber preform, which comprises a fixed cylinder base, a positioning connecting cylinder, a stud bolt, a clamping rod and a slide rod, wherein the slide rod is used for clamping a capillary tube and is in single-degree-of-freedom sliding connection with the fixed cylinder base, a spring used for providing elasticity for the slide rod is arranged between the slide rod and the fixed cylinder base, the two sides of the slide rod are tile-shaped and cylindrical, the tile-shaped is used for clamping the capillary tube, the cylindrical is used for compressing the spring, the slide rod is provided with through holes used for clamping, the outer walls of the two sides of the fixed cylinder base are uniformly provided with through holes used for clamping, and the bottom of the fixed cylinder base and the positioning connecting cylinder are provided with screw holes which are connected through the stud bolt. The telescopic clamping device applied to the preparation of the hollow anti-resonance optical fiber preform can keep the capillary tubes stable in the process of arranging the preforms, and can clamp and fix the capillary tubes at different positions by utilizing the clamping through holes and the springs, so that the precision and the stability of an optical fiber tube arranging pipe are improved.
Description
Technical Field
The invention relates to the technical field of optical fiber perform preparation, in particular to a telescopic clamping device applied to the preparation of a hollow anti-resonance optical fiber perform.
Background
In recent years, a hollow anti-resonance optical fiber is widely researched and paid attention to, the hollow optical fiber can be composed of a layer of capillary tubes distributed at intervals and an outer quartz cladding, and the band-gap guiding type light guiding mechanism is different from a band-gap guiding type light guiding mechanism of a traditional hollow band-gap optical fiber, and the constraint of light beams in a hollow fiber core is carried out by adopting an anti-resonance theory. Compared with the traditional hollow-core optical fiber, the hollow-core anti-resonant optical fiber has the advantages of simpler geometric structure, good single-mode transmission, wider transmission window and ultralow transmission loss. The hollow fiber core of the hollow fiber can provide a long-distance stable channel for interaction between a medium and light, the energy content in the air fiber core is extremely high (more than 99.99%), and the hollow anti-resonance fiber has great application potential in the fields of gas sensing and gas laser. Theoretical modeling of the fabrication technology of hollow core anti-resonant fibers has rapidly become a further important hotspot in the field of photonics. The core of the preparation technology of the hollow anti-resonance optical fiber lies in the manufacture of a prefabricated rod.
The preparation method of the hollow anti-resonance optical fiber preform rod comprises the steps of inserting a plurality of capillary tubes into a solid sleeve, stacking until the positions of all the capillary tubes are maintained unchanged, wherein the end surface of an outer shaft supporting the capillary rods is flush with the end surface of the solid sleeve, and obtaining a stack body with two shaft ends forming multi-point support and a middle belly forming suspension so as to form the hollow anti-resonance optical fiber preform rod.
The technique of fabricating a preform by a stacking method is currently widely used for drawing a hollow core antiresonant optical fiber, and is becoming mature. However, the technique of fabricating the preform by the stacking method has certain limitations in practical use. The existing stacking method generally adopts manual tube arranging, when the capillary tubes are arranged into a glass tube, the capillary tubes are easy to slip and discharge unstably, so that the arrangement structure of the capillary tubes is unstable and irregular, the problems of structure dislocation and the like are easy to occur, the tube arranging efficiency is low, the time consumption is long, and the quality of a prefabricated rod is influenced. Therefore, it is necessary to design a telescopic clamping device for the tube bank of the optical fiber preform to solve the above problems.
Disclosure of Invention
In view of the above, in order to solve the above problems in the prior art, the invention provides a telescopic clamping device applied to the preparation of a hollow anti-resonance optical fiber preform, which can keep a capillary tube stable in the rod arrangement process, and can clamp and fix the capillary tube at different positions by using a clamping through hole and a spring, so as to improve the precision and stability of an optical fiber tube arrangement pipe.
The invention solves the problems through the following technical means:
the utility model provides a be applied to telescopic screens device of hollow anti-resonance optical fiber perform preparation, includes:
the positioning connection cylinder is provided with N first screw holes around the outer wall, and N is more than or equal to 1;
one side of the outer wall of each fixed cylinder seat is provided with a row of first through holes for clamping, the other side of the outer wall of each fixed cylinder seat is correspondingly provided with another row of second through holes for clamping, and the bottom of each fixed cylinder seat is provided with a second screw hole;
one end of each stud bolt is connected with the positioning connecting cylinder through a first screw hole, and the other end of each stud bolt is connected with the fixing cylinder seat through a second screw hole;
the N sliding rods are used for clamping the capillary tubes and are in single-degree-of-freedom sliding connection with the fixed cylinder base, one end of each sliding rod is used for clamping the capillary tubes, the other end of each sliding rod is used for compressing the springs, and each sliding rod is provided with a third through hole for clamping;
each spring is arranged between the sliding rod and the fixed cylinder seat and used for providing elasticity for the sliding rod;
n screens pole for the screens, every screens pole runs through first through-hole, second through-hole and third through-hole during the screens.
Further, the positioning connection cylinder is uniformly provided with N first screw holes around the outer wall.
Further, N ═ 5.
Furthermore, the outer walls of the two sides of the fixed barrel seat are uniformly provided with a row of first through holes and a row of second through holes for clamping.
Furthermore, the outer walls of the two sides of the fixed cylinder seat can be provided with a row of first through holes and a row of second through holes for clamping at different intervals according to actual requirements.
Furthermore, a positioning column for positioning the spring is arranged at the bottom of the fixed cylinder seat.
Further, the fixed cylinder seat is cylindrical.
Furthermore, one end of the sliding rod is tile-shaped, the other end of the sliding rod is cylindrical, the tile-shaped is used for clamping and fixing the capillary, and the cylindrical is used for compressing the spring.
Compared with the prior art, the invention has the beneficial effects that at least:
according to the invention, the capillary tube and the clamping device are placed in the matched glass tube, the slide rod is moved to a proper position to enable the capillary tube to be stably clamped in the glass tube, and then the clamping rod is inserted into the corresponding position of the through hole for clamping, so that the capillary tube is not extruded by the slide rod while being stably clamped, the clamping device enables the arrangement structure of the capillary tube to be stable and regular, the problems of structure dislocation and the like are not easy to occur, and the tube arranging efficiency, and the tube arranging precision and stability are improved.
The telescopic clamping device applied to the preparation of the hollow anti-resonance optical fiber preform ensures that the capillary tube is kept stable in the rod arranging process, and the clamping through hole and the spring can be utilized to clamp and fix the capillary tube at different positions, so that the precision and the stability of the optical fiber tube arranging pipe are improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a connection diagram of the integral parts of the present invention;
FIG. 2 is a schematic view of the structure of the disassembled parts of the present invention;
in the figure: 1. a slide bar; 2. fixing the cylinder seat; 3. a position clamping rod; 4. a spring; 5. a stud bolt; 6. and positioning the connecting cylinder.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It should be noted that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the invention provides a telescopic clamping device applied to preparation of a hollow antiresonance optical fiber preform, which comprises a fixed cylinder base 2, a positioning connecting cylinder 6, a stud bolt 5, a clamping rod 3 and a slide rod 1 used for clamping a capillary tube and connected with the fixed cylinder base 2 in a single-degree-of-freedom sliding manner, wherein a spring 4 used for providing elasticity for the slide rod 1 is arranged between the slide rod 1 and the fixed cylinder base 2.
The positioning connecting cylinder 6 in the telescopic clamping device applied to the preparation of the hollow anti-resonance optical fiber perform rod takes five holes as an example, and can be correspondingly changed according to different capillary tube arrangement structures in practical application. In practical application, the springs 4 in the clamping device can also increase the number, so that the clamping stability of the capillary tube is ensured.
In this embodiment, the positioning connection cylinder 6 is uniformly provided with 5 first screw holes around the outer wall. The following description will specifically describe each component of the present invention by taking a first screw hole as an example.
One side of the outer wall of the fixed cylinder seat 2 is provided with a row of first through holes for clamping, the other side of the outer wall is provided with another row of second through holes for clamping at a corresponding position, and the bottom of the fixed cylinder seat is provided with a second screw hole. The first through hole, the second through hole and the clamping rod 3 are combined for clamping. In practical application, the outer walls of the two sides of the fixed barrel seat 2 can be uniformly provided with a row of first through holes and second through holes for clamping according to different spacing distances according to practical requirements. And a positioning column for positioning the spring 4 is arranged at the bottom of the fixed cylinder seat 2. The fixed cylinder seat is cylindrical.
And one end of the stud bolt 5 is connected with the positioning connection cylinder 6 through a first screw hole, and the other end of the stud bolt is connected with the fixed barrel seat 2 through a second screw hole. The bottom of the fixed cylinder seat 2 and the positioning connecting cylinder 6 are provided with screw holes and connected by a stud bolt 5. The positioning connecting cylinder 6 has a positioning function for the capillaries to be arranged.
The slide bar 1 both sides shape is tile shape and cylindrical, and the tile shape is used for the solid capillary of card, and the cylindrical is used for compression spring 4, slide bar 1 is provided with the third through-hole that is used for the screens. The third through hole and the clamping rod 3 are combined for clamping.
The clamping rod 3 penetrates through the first through hole, the second through hole and the third through hole when in clamping.
The invention relates to a telescopic clamping device applied to preparation of a hollow anti-resonance optical fiber preform rod, which can ensure that a capillary tube can keep stable in the rod arranging process based on the clamping device, and can clamp and fix the capillary tube at different positions by utilizing a clamping through hole and a spring, thereby improving the precision and the stability of an optical fiber tube arranging pipe.
The positioning connection cylinder in the telescopic clamping device applied to the preparation of the hollow anti-resonance optical fiber perform rod takes five holes as an example, and can be correspondingly changed according to different capillary tube arrangement structures in practical application. In practical application, the number of the springs in the device can be increased, and the clamping stability of the capillary tube is ensured. In practical application, the outer walls of the two sides of the fixed cylinder seat can be uniformly provided with through holes for clamping by selecting different spacing distances according to practical requirements. According to the invention, the capillary tube and the clamping device are placed in the matched glass tube, the slide rod is moved to a proper position to enable the capillary tube to be stably clamped in the glass tube, and then the clamping rod is inserted into the corresponding position of the through hole for clamping, so that the capillary tube is not extruded by the slide rod while being stably clamped, the clamping device enables the arrangement structure of the capillary tube to be stable and regular, the problems of structure dislocation and the like are not easy to occur, and the tube arranging efficiency, and the tube arranging precision and stability are improved.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a be applied to telescopic screens device of hollow anti-resonance optical fiber perform preparation which characterized in that includes:
the positioning connecting cylinder is provided with N first screw holes around the outer wall, and N is more than or equal to 1;
one side of the outer wall of each fixed cylinder seat is provided with a row of first through holes for clamping, the other side of the outer wall of each fixed cylinder seat is correspondingly provided with another row of second through holes for clamping, and the bottom of each fixed cylinder seat is provided with a second screw hole;
one end of each stud bolt is connected with the positioning connecting cylinder through a first screw hole, and the other end of each stud bolt is connected with the fixing cylinder seat through a second screw hole;
the N sliding rods are used for clamping the capillary tubes and are in single-degree-of-freedom sliding connection with the fixed cylinder base, one end of each sliding rod is used for clamping the capillary tubes, the other end of each sliding rod is used for compressing the springs, and each sliding rod is provided with a third through hole for clamping;
each spring is arranged between the sliding rod and the fixed cylinder seat and used for providing elasticity for the sliding rod;
n screens pole for the screens, every screens pole runs through first through-hole, second through-hole and third through-hole during the screens.
2. The retractable clamping device applied to the preparation of the hollow-core antiresonant optical fiber preform as claimed in claim 1, wherein the positioning connection cylinder is uniformly provided with N first screw holes around the outer wall.
3. The retractable clamping device applied to the fabrication of hollow-core antiresonant optical fiber preform according to claim 1, wherein N-5.
4. The retractable clamping device applied to the preparation of hollow-core antiresonant optical fiber preform according to claim 1, wherein the outer walls of two sides of the fixed cylinder base are uniformly provided with a row of first through holes and second through holes for clamping.
5. The retractable clamping device applied to the preparation of hollow-core antiresonant optical fiber preform rod according to claim 1, wherein a row of first through holes and second through holes for clamping are arranged on the outer walls of two sides of the fixed cylinder base at different intervals according to actual requirements.
6. The retractable clamping device applied to the preparation of the hollow-core antiresonant optical fiber preform according to claim 1, wherein a positioning column for positioning the spring is arranged at the bottom of the fixed cylinder seat.
7. The retractable clamping device for the fabrication of hollow-core antiresonant optical fiber preform according to claim 1, wherein the fixed cylinder base is cylindrical.
8. The retractable clamping device applied to the preparation of the hollow-core antiresonant optical fiber preform as claimed in claim 1, wherein one end of the sliding rod is tile-shaped, the other end of the sliding rod is cylindrical, the tile-shaped is used for clamping a capillary tube, and the cylindrical is used for compressing a spring.
Priority Applications (1)
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CN202210481963.2A CN114988686B (en) | 2022-05-05 | 2022-05-05 | Telescopic clamping device applied to preparation of hollow anti-resonance optical fiber preform |
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CN202210481963.2A CN114988686B (en) | 2022-05-05 | 2022-05-05 | Telescopic clamping device applied to preparation of hollow anti-resonance optical fiber preform |
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CN114988686B CN114988686B (en) | 2023-12-12 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120321263A1 (en) * | 2011-06-15 | 2012-12-20 | Gibson Daniel J | Direct extrusion method for the fabrication of photonic band gap (pbg) fibers and fiber preforms |
CN106219960A (en) * | 2016-07-08 | 2016-12-14 | 北京航空航天大学 | A kind of glass capillary piling apparatus based on photonic crystals optical fiber structure two-dimensional localization hole and method |
CN106587592A (en) * | 2016-10-19 | 2017-04-26 | 广州宏晟光电科技有限公司 | Square optical fiber multifilament rod fixing clamp and rod discharge mould |
CN111812772A (en) * | 2020-06-15 | 2020-10-23 | 艾菲博(宁波)光电科技有限责任公司 | Hollow polarization-maintaining anti-resonance optical fiber and preparation method thereof |
CN111847862A (en) * | 2020-07-27 | 2020-10-30 | 武汉长盈通光电技术股份有限公司 | Preparation method of photonic crystal optical fiber preform and tube arranging device thereof |
CN113277724A (en) * | 2021-05-19 | 2021-08-20 | 燕山大学 | Method for manufacturing support type hollow anti-resonance optical fiber |
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2022
- 2022-05-05 CN CN202210481963.2A patent/CN114988686B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120321263A1 (en) * | 2011-06-15 | 2012-12-20 | Gibson Daniel J | Direct extrusion method for the fabrication of photonic band gap (pbg) fibers and fiber preforms |
CN106219960A (en) * | 2016-07-08 | 2016-12-14 | 北京航空航天大学 | A kind of glass capillary piling apparatus based on photonic crystals optical fiber structure two-dimensional localization hole and method |
CN106587592A (en) * | 2016-10-19 | 2017-04-26 | 广州宏晟光电科技有限公司 | Square optical fiber multifilament rod fixing clamp and rod discharge mould |
CN111812772A (en) * | 2020-06-15 | 2020-10-23 | 艾菲博(宁波)光电科技有限责任公司 | Hollow polarization-maintaining anti-resonance optical fiber and preparation method thereof |
CN111847862A (en) * | 2020-07-27 | 2020-10-30 | 武汉长盈通光电技术股份有限公司 | Preparation method of photonic crystal optical fiber preform and tube arranging device thereof |
CN113277724A (en) * | 2021-05-19 | 2021-08-20 | 燕山大学 | Method for manufacturing support type hollow anti-resonance optical fiber |
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