CN106630586B - Optical fiber perform rod hanging device with center hole protection function - Google Patents
Optical fiber perform rod hanging device with center hole protection function Download PDFInfo
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- CN106630586B CN106630586B CN201611176979.3A CN201611176979A CN106630586B CN 106630586 B CN106630586 B CN 106630586B CN 201611176979 A CN201611176979 A CN 201611176979A CN 106630586 B CN106630586 B CN 106630586B
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- optical fiber
- vacuumizing
- supporting plate
- central hole
- supporting
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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
- C03B37/01202—Means for storing or carrying optical fibre preforms, e.g. containers
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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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- 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)
- Toys (AREA)
Abstract
An optical fiber perform rod hanging device with a central hole protection function belongs to the technical field of auxiliary facilities for optical fiber production. Comprises a walking trolley; an optical fiber perform supporting positioning mechanism, this optical fiber perform supporting positioning mechanism set up on the walking dolly, characteristics are: the walking trolley is characterized by further comprising a central hole vacuumizing mechanism, and the central hole vacuumizing mechanism is arranged on the walking trolley. The central hole vacuumizing mechanism is arranged on the walking trolley, so that the optical fiber perform rod can be supported and positioned by the optical fiber perform rod supporting and positioning mechanism and conveyed by the walking trolley, and meanwhile, the central hole vacuumizing mechanism is used for vacuumizing the central hole of the optical fiber perform rod supported and positioned on the walking trolley, so that water vapor and dust in the outside air are prevented from invading the central hole, and the quality of the optical fiber obtained by the subsequent process is ensured.
Description
Technical Field
The invention belongs to the technical field of auxiliary facilities for optical fiber production, and particularly relates to an optical fiber preform rod hanging device with a central hole protection function.
Background
The above-mentioned optical fiber preform mainly refers to an optical fiber core preform manufactured by an external vapor deposition method, and the above-mentioned central hole refers to a hole left after a target rod at the central position of the optical fiber core preform is pulled out, and the central hole can be shrunk in a subsequent sintering process or a core layer extending process, but no matter how the central hole is shrunk, the central hole can be shrunk after a glass body is formed and placed for a period of time and then transported to a corresponding core layer extending process.
As is known in the art, since the core portion inside the central hole, i.e. around the central hole, is very sensitive to moisture in the air, the overall performance of the optical fiber is greatly affected if water molecules in the outside air enter the central hole during the preform placement process.
Technical information on the optical fiber preform rod hanging device, such as CN102211864B (an optical fiber preform hanging device), CN202849257U (an optical fiber preform hanging rack), CN105502922a (a top-supported fiber preform hanging device), and CN104973775a (an optical fiber preform hanging device), etc., can be found in the published chinese patent documents, but no suggestion is given how to prevent water molecules in the air from entering the aforementioned central hole.
In view of the above prior art, the applicant has made an advantageous search and design to form the technical solution described below, and has proved to be feasible through computer simulation deduction tests with security measures taken.
Disclosure of Invention
The invention aims to provide an optical fiber perform rod hanging device with a central hole protection function, which can reliably position an optical fiber perform rod, is convenient to transport, and can vacuumize the central hole so as to prevent water vapor and dust impurities in the outside air from entering the central hole.
The task of the invention is completed in this way, and the optical fiber preform rod hanging device with the central hole protection function comprises a walking trolley; an optical fiber perform supporting positioning mechanism, this optical fiber perform supporting positioning mechanism set up on the walking dolly, characteristics are: the walking trolley is characterized by further comprising a central hole vacuumizing mechanism, and the central hole vacuumizing mechanism is arranged on the walking trolley.
In a specific embodiment of the invention, the walking trolley comprises a base, a supporting plate frame and a hand push handle, wherein a walking wheel is arranged on the base and positioned at each of four corners of the base, the supporting plate frame is composed of a left longitudinal beam, a right longitudinal beam and a top transverse beam, the lower end of the left longitudinal beam is fixed with the left side of the base, the lower end of the right longitudinal beam is fixed with the right side of the base and corresponds to the left longitudinal beam, the left end of the top transverse beam is fixed with the top of the left longitudinal beam, the right end of the top transverse beam is fixed with the top of the right longitudinal beam, the hand push handle is hinged between the left longitudinal beam and the right longitudinal beam at a position corresponding to the lower part of the top transverse beam, the optical fiber perform supporting and positioning mechanism is arranged between the left longitudinal beam and the right longitudinal beam, and the central hole vacuumizing mechanism is supported on the base.
In another specific embodiment of the present invention, the optical fiber preform supporting and positioning mechanism includes an upper supporting plate supporting beam, an upper supporting plate, a lower supporting plate supporting beam and a lower supporting plate, the upper supporting plate supporting beam corresponds to a lower portion of the top beam, a left end of the upper supporting plate supporting beam is connected to the left longitudinal beam, a right end of the upper supporting plate supporting beam is connected to the right longitudinal beam, an upper supporting plate positioning pin is fixed to a side of the upper supporting plate supporting beam facing upward in the length direction, a rear end of the upper supporting plate is sleeved on the upper supporting plate positioning pin, a front end of the upper supporting plate is a horizontal cantilever end and is provided with an optical fiber preform upper cone limiting hole, the optical fiber preform upper cone limiting hole is communicated with the outside through an optical fiber preform tail handle abdicating groove, the lower supporting plate supporting beam corresponds to a lower portion of the upper supporting beam, a left end of the lower supporting beam is connected to the left longitudinal beam, a right end of the lower supporting beam is connected to the right longitudinal beam, a rear end of the lower supporting plate is fixed to the lower supporting beam, and a horizontal cantilever end of the lower supporting plate is provided with an optical fiber preform lower cone supporting hole.
In another embodiment of the present invention, the upper plate and the lower plate each have the same number of plural plates.
In a further specific embodiment of the present invention, the central hole vacuum pumping mechanism includes a vacuum pumping motor, a vacuum pumping pump fixing seat, a vacuum pumping main pipe and a vacuum pumping hose, the vacuum pumping motor is in transmission fit with the vacuum pumping pump and is fixed on the vacuum pumping pump fixing seat by the vacuum pumping pump and the vacuum pumping motor, the vacuum pumping pump fixing seat is fixed with the base, the vacuum pumping main pipe is fixed on one side of the top beam facing upward in a horizontal state, an air outlet of the vacuum pumping main pipe is connected with an air inlet of the vacuum pumping pump through an air outlet connecting pipe, an air outlet of the vacuum pumping pump of the vacuum pumping main pipe is communicated with the outside, a control valve is arranged at a position corresponding to the air inlet of the vacuum pumping main pipe, one end of the vacuum pumping hose is in fit with the control valve, and the other end is a free end and is fixed with an optical fiber preform ball tail handle sealing cap.
In a further embodiment of the present invention, a motor handle is provided on the vacuum motor.
In a more specific embodiment of the present invention, an air filter is disposed on the air inlet of the vacuum pump, and the air outlet connecting pipe is coupled to the air filter.
The technical scheme provided by the invention is that the central hole vacuumizing mechanism is arranged on the walking trolley, so that the optical fiber perform rod can be supported and positioned by the optical fiber perform rod supporting and positioning mechanism and conveyed by the walking trolley, and meanwhile, the central hole vacuumizing mechanism is used for vacuumizing the central hole of the optical fiber perform rod supported and positioned on the walking trolley, thereby preventing water vapor and dust in the outside air from invading the central hole and ensuring the quality of the optical fiber obtained by the subsequent process.
Drawings
FIG. 1 is a schematic diagram illustrating an embodiment and an application of the present invention.
Detailed Description
Referring to fig. 1, a walking cart 1 is shown; the technical key point of the technical scheme of the invention is that the optical fiber perform supporting and positioning mechanism 2 is shown, the optical fiber perform supporting and positioning mechanism 2 is arranged on the walking trolley 1, and the optical fiber perform supporting and positioning mechanism further comprises a central hole vacuumizing mechanism 3, and the central hole vacuumizing mechanism 3 is arranged on the walking trolley 1.
Also shown in fig. 1 is an optical fiber preform 4, an upper taper 41 of the optical fiber preform is formed on the upper portion of the optical fiber preform 4, a ball head 411 is formed on the upper portion of the upper taper 41 of the optical fiber preform, the upper portion of the ball head 411 is formed as a ball head handle 4111 (conventionally referred to as a tail handle in the industry), a lower taper 42 of the optical fiber preform is formed on the lower portion of the optical fiber preform 4, and a center hole 43 remaining at the center of the optical fiber preform 4 after the target rod is removed is also shown, the lower portion of the center hole 43 is closed by the lower taper 42 of the optical fiber preform, and the upper portion is communicated with the outside.
Continuing to refer to fig. 1, the foregoing traveling trolley 1 includes a base 11, a pallet 12 and a hand push handle 13, a traveling wheel 111 is disposed on the base 11 and located at each of four corners of the base 11 through a traveling wheel seat 1111, the pallet 12 is composed of left and right longitudinal beams 121, 122 and a top cross beam 123, a lower end of the left longitudinal beam 121 is welded and fixed to a left side of the base 11, a lower end of the right longitudinal beam 122 is welded and fixed to a right side of the base 11 and corresponds to the left longitudinal beam 121, a left end of the top cross beam 123 is welded and fixed to a top of the left longitudinal beam 121, a right end of the top cross beam 123 is welded and fixed to a top of the right longitudinal beam 122, the hand push handle 13 is hinged between the left and right longitudinal beams 121, 122 at a position corresponding to a lower side of the top cross beam 123 through a hand push handle pin 131, the foregoing optical fiber preform supporting and positioning mechanism 2 is disposed between the left and right longitudinal beams 121, 122, and the foregoing vacuum pumping mechanism 3 is supported on the foregoing base 11.
In order to secure the fixing effect between the lower ends of the left and right side members 121, 122 and the base 11, as shown in fig. 1, a left side member support 1211 is added to the lower portion of the left side member 121, a right side member support 1221 is added to the lower portion of the right side member 122, and both the left and right side member supports 1211, 1221 are fixed to the base 11.
Continuing to refer to fig. 1, the aforementioned optical fiber preform supporting and positioning mechanism 2 includes an upper pallet support beam 21, an upper pallet 22, a lower pallet support beam 23, and a lower pallet 24, the upper pallet support beam 21 corresponds to a lower portion of the aforementioned top beam 123, a left end of the upper pallet support beam 21 is connected to the aforementioned left longitudinal beam 121, a right end is connected to the aforementioned right longitudinal beam 122, an upper pallet positioning pin 211 is fixed to a side of the upper pallet support beam 21 facing upward in the length direction, a rear end of the upper pallet 22 is fitted over the upper pallet positioning pin 211, a front end of the upper pallet 22 is configured as a horizontal cantilever end and is opened with an optical fiber preform upper cone defining hole 221, the optical fiber preform upper cone defining hole 221 is communicated with the outside through an optical fiber preform tail handle relief groove 2211, the lower pallet support beam 23 corresponds to a lower portion of the upper pallet support beam 21, a left end of the lower pallet support beam 23 is connected to the left longitudinal beam 121, a right end is connected to the right longitudinal beam 122, a rear end of the lower pallet 24 is fixed to the lower pallet support beam 23 through a lower pallet fixing screw 242, and is configured as a horizontal cantilever end of the optical fiber preform lower pallet 24 and is opened with a cantilever end.
According to the conventional knowledge, the aforementioned upper pallet support beam 21 and/or lower pallet support beam 23 can be designed to be adjustably connected to the left and right longitudinal beams 121, 122 so as to accommodate optical fiber preforms 4 of different specifications.
In fig. 1, the upper support plate 22 and the lower support plate 24 are shown to have the same number of five, respectively, but are not limited thereto.
Continuing with fig. 1, the aforementioned central hole vacuum pumping mechanism 3 includes a vacuum pumping motor 31, a vacuum pumping pump 32, a vacuum pumping pump holder 33, a vacuum pumping manifold 34 and a vacuum pumping hose 35, the vacuum pumping motor 31 is preferably in driving fit with the vacuum pumping pump 32 supported by a storage battery and is fixed on the vacuum pumping pump holder 33 by the vacuum pumping pump 32 together with the vacuum pumping motor 31, the vacuum pumping pump holder 33 is fixed with the aforementioned base 11 at a position corresponding to the base screw hole 112 preset on the base 11 by a holder screw 331, the vacuum pumping manifold 34 is fixed on the upward side of the aforementioned top beam 123 in a horizontal lying state, the vacuum pumping manifold air outlet 341 of the vacuum pumping manifold 34 is connected with the vacuum pumping pump air inlet 321 of the vacuum pumping pump 32 by an air outlet connecting pipe 3411, the vacuum pumping pump air outlet 322 of the vacuum pumping pump 32 is communicated with the outside, a control valve 3421 is arranged at a position corresponding to the vacuum pumping manifold air inlet 342 of the vacuum pumping manifold 34, one end of the vacuum pumping hose 35 is coupled with the control valve 21, the other end is configured as a free end and is fixed with an optical fiber pigtail sealing preform 351 for sealing the central head preform 41143 for sealing the aforementioned central hole.
Preferably, a motor handle 311 is provided on the aforementioned vacuum motor 31; an air filter 3211 is disposed at the air inlet 321 of the evacuation pump, and the air outlet connection pipe 3411 is coupled to the air filter 3211.
The applicant described the use of the present invention with reference to fig. 1, and the state of the optical fiber preform 4 on the optical fiber preform supporting and positioning mechanism 2 of the present invention is shown in fig. 1 by hanging it by a hanger to the optical fiber preform supporting and positioning mechanism 2 of the present invention in a high temperature state after the optical fiber preform 4 is taken out from a furnace such as an optical fiber preform degassing furnace. Meanwhile, an online operator matches the ball-tail-handle sealing cap 351 of the optical fiber perform rod 35 of the structural system of the central hole vacuumizing mechanism 3 with the ball-head handle 4111, under the operation of the vacuumizing motor 31, the vacuumizing pump 32 is driven by the online operator, and the air in the central hole 43 of the optical fiber perform rod 4 is led out from the air outlet 322 of the vacuumizing pump through the ball-tail-handle sealing cap 351 of the optical fiber perform rod, the vacuumizing hose 35, the control valve 3421 in an open state, the air inlet 342 of the vacuumizing main pipe, the air outlet 341 of the vacuumizing main pipe, the air outlet connecting pipe 3411, the air filter 3211 and the air inlet 321 of the vacuumizing pump in sequence, so that the central hole 43 is kept in a negative pressure state, and the worker carries the optical fiber perform rod 4 by hand pushing handle 13 and transports the optical fiber perform rod 4 to a station where the core layer extending process mentioned above by the applicant.
When the optical fiber perform 4 is to be lifted away from the present invention, the ball head 411 is clamped by the lifting appliance, then the upper supporting plate 22 is moved upwards and separated from the upper supporting plate positioning pin 211, and further the upper supporting plate 22 is moved to the degree that the optical fiber perform tail shank abdicating groove 2211 corresponds to the ball head neck 44 (located between the ball head 411 and the optical fiber perform upper cone 41) of the optical fiber perform 4, the upper supporting plate 22 is removed, the matching between the optical fiber perform ball head tail shank sealing cap 351 and the ball head shank 4111 is released, and then the lifting appliance is lifted away, otherwise, the description is omitted.
In conclusion, the technical scheme provided by the invention overcomes the defects in the prior art, successfully completes the invention task and truly realizes the technical effects of the applicant in the technical effect column.
Claims (4)
1. An optical fiber perform rod hanging device with a central hole protection function comprises a walking trolley (1); an optical fiber perform supporting positioning mechanism (2), this optical fiber perform supporting positioning mechanism (2) set up on walking dolly (1), its characterized in that: the device also comprises a central hole vacuumizing mechanism (3), wherein the central hole vacuumizing mechanism (3) is arranged on the walking trolley (1); the walking trolley (1) comprises a base (11), a supporting plate frame (12) and a hand-push handle (13), wherein a row of travelling wheels (111) is arranged on the base (11) and positioned at four corners of the base (11) respectively, the supporting plate frame (12) consists of left and right longitudinal beams (121, 122) and a top cross beam (123), the lower end of the left longitudinal beam (121) is fixed with the left side of the base (11), the lower end of the right longitudinal beam (122) is fixed with the right side of the base (11) and corresponds to the left longitudinal beam (121), the left end of the top cross beam (123) is fixed with the top of the left longitudinal beam (121), the right end of the top cross beam (123) is fixed with the top of the right longitudinal beam (122), the hand-push handle (13) is hinged between the left and right longitudinal beams (121, 122) at a position corresponding to the lower part of the top cross beam (123), the optical fiber preform supporting and center hole positioning mechanism (2) is arranged between the left and right longitudinal beams (121, and 122), and the vacuum pumping mechanism (3) is supported on the base (11); the optical fiber preform supporting and positioning mechanism (2) comprises an upper supporting plate supporting beam (21), an upper supporting plate (22), a lower supporting plate supporting beam (23) and a lower supporting plate (24), wherein the upper supporting plate supporting beam (21) corresponds to the lower part of the top cross beam (123), the left end of the upper supporting plate supporting beam (21) is connected with the left longitudinal beam (121), the right end of the upper supporting plate supporting beam is connected with the right longitudinal beam (122), an upper supporting plate positioning pin (211) is fixed on one side of the upper supporting plate supporting beam (21) facing upwards in the length direction, the rear end of the upper supporting plate (22) is sleeved on the upper supporting plate positioning pin (211), the front end of the upper supporting plate (22) is a horizontal cantilever end and is provided with an optical fiber preform upper cone limiting hole (221), the optical fiber preform upper cone limiting hole (221) is communicated with the outside through an optical fiber preform tail handle abdicating groove (1), the lower supporting beam (23) corresponds to the lower part of the upper supporting plate supporting beam (21), the left end of the lower supporting beam (23) is connected with the left longitudinal beam (121), the lower supporting beam is connected with the right end of the lower supporting beam (122), and is provided with the lower supporting beam (241) and is provided with a horizontal cantilever end of the lower supporting beam (24); the central hole vacuumizing mechanism (3) comprises a vacuumizing motor (31), a vacuumizing pump (32), a vacuumizing pump fixing seat (33), a vacuumizing main pipe (34) and a vacuumizing hose (35), wherein the vacuumizing motor (31) is in transmission fit with the vacuumizing pump (32), the vacuumizing pump (32) and the vacuumizing motor (31) are fixed on the vacuumizing pump fixing seat (33), the vacuumizing pump fixing seat (33) is fixed with the base (11), the vacuumizing main pipe (34) is fixed on one upward side of the top cross beam (123) in a horizontal state, a vacuumizing main pipe air outlet (341) of the vacuumizing main pipe (34) is connected with a vacuumizing pump air inlet (321) of the vacuumizing pump (32) through an air outlet connecting pipe (3411), a vacuumizing pump air outlet (322) of the vacuumizing pump (32) is communicated with the outside, a control valve (21) is arranged at a position corresponding to a vacuumizing main pipe air inlet (342) of the vacuumizing main pipe (34), one end of the vacuumizing hose (35) is connected with the control valve (3421), and the other end of the free optical fiber pigtail is fixed to form a sealing handle (3421).
2. The apparatus for hanging an optical fiber preform rod having a central hole protection function according to claim 1, wherein the upper support plate (22) and the lower support plate (24) each have the same number of plural ones.
3. The optical fiber preform rod hanging device with the central hole protection function of claim 1, wherein a motor handle (311) is provided on the vacuum motor (31).
4. The apparatus for hanging optical fiber preform rod with central hole protection function of claim 1, wherein an air filter (3211) is provided on the air inlet (321) of the evacuation pump, and the air outlet connecting tube (3411) is coupled to the air filter (3211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611176979.3A CN106630586B (en) | 2016-12-19 | 2016-12-19 | Optical fiber perform rod hanging device with center hole protection function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611176979.3A CN106630586B (en) | 2016-12-19 | 2016-12-19 | Optical fiber perform rod hanging device with center hole protection function |
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| CN106630586A CN106630586A (en) | 2017-05-10 |
| CN106630586B true CN106630586B (en) | 2023-03-24 |
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| CN201611176979.3A Active CN106630586B (en) | 2016-12-19 | 2016-12-19 | Optical fiber perform rod hanging device with center hole protection function |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108101355B (en) * | 2017-12-29 | 2023-11-03 | 通鼎互联信息股份有限公司 | Mother core rod heat preservation degasification equipment of productivity expansion |
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| ES2625070T3 (en) * | 1999-12-29 | 2017-07-18 | Prysmian S.P.A. | Production procedure of a core bar to be used in a final preform production process |
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| CN1246838A (en) * | 1997-02-05 | 2000-03-08 | 康宁股份有限公司 | Method of making optical fiber having depressed index core region |
| JP2004339023A (en) * | 2003-05-16 | 2004-12-02 | Shin Etsu Chem Co Ltd | Hanging connection structure of glass preform for optical fiber |
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| EP1783104A1 (en) * | 2005-10-27 | 2007-05-09 | Sterlite Optical Technologies Ltd | Method of producing a preform for optical fibers |
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