CN115784598A - Extending equipment and extending process of optical fiber preform - Google Patents
Extending equipment and extending process of optical fiber preform Download PDFInfo
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- CN115784598A CN115784598A CN202211353598.3A CN202211353598A CN115784598A CN 115784598 A CN115784598 A CN 115784598A CN 202211353598 A CN202211353598 A CN 202211353598A CN 115784598 A CN115784598 A CN 115784598A
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- fiber preform
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000008569 process Effects 0.000 title claims abstract description 13
- 238000002844 melting Methods 0.000 claims abstract description 35
- 230000008018 melting Effects 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 244000309464 bull Species 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
- 238000012840 feeding operation Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000004033 diameter control Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000003280 down draw process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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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 discloses an extension device and an extension process of an optical fiber preform rod, and the extension device comprises a shell, wherein a support plate is fixedly connected to the top of the shell, a melting furnace is arranged on the front surface of the support plate, a controller is arranged on one side of the shell, a feeding assembly is arranged on the front surface of the support plate and is positioned right above the melting furnace, a diameter measuring instrument is arranged on the top of the shell and is positioned right below the melting furnace, the diameter measuring instrument is electrically connected with the controller through a conducting wire, a secondary processing assembly is arranged inside the shell and comprises a barrel, the barrel is fixedly connected to the inner wall of the shell, a pipe body is arranged inside the barrel, and the outer side wall of the pipe body is communicated with a connecting pipe.
Description
Technical Field
The invention relates to the technical field of extension of optical fiber preforms, in particular to extension equipment and an extension process of an optical fiber preform.
Background
At present, the elongation of the prefabricated rod is generally completed by combining two working procedures of rough elongation of a vertical lathe and fine elongation of a horizontal lathe, a handle is required to be welded in the process, the process flow is complex, the rod manufacturing period is long, the efficiency is reduced, and the cost is increased. Another method is to perform one-time extension of the preform directly on a vertical device, but vertical extension by a down-draw method has certain problems: the large deviation of the outer diameter of the optical rod causes the uneven volume of the molten bar material in the heating furnace and large fluctuation of the outer diameter of the sub-rod; the diameter gauge is far away from a bar material melting and shaping area, cannot measure the diameter of a sub-bar in real time, has slow response and is not beneficial to outer diameter control; the female stick afterbody cup is gone into the stove, and the heating furnace temperature field obviously changes, and it is big to sub stick diameter control influence, and is higher to staff's operation requirement, and above-mentioned difficult point brings very big difficulty to sub stick diameter uniformity control.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an extension device of an optical fiber preform and an extension process thereof.
In order to achieve the purpose, the invention provides the following technical scheme: an extension device of an optical fiber preform rod comprises a shell, wherein a supporting plate is fixedly connected to the top of the shell, a melting furnace is installed on the front surface of the supporting plate, a controller is installed on one side of the shell, a feeding assembly is installed on the front surface of the supporting plate and located right above the melting furnace, a diameter gauge is installed on the top of the shell and located right below the melting furnace, the diameter gauge is electrically connected with the controller through a wire, a secondary processing assembly is installed inside the shell and comprises a cylinder, the cylinder is fixedly connected to the inner wall of the shell, a pipe body is arranged inside the cylinder, a connecting pipe is communicated with the outer side wall of the pipe body, one end, far away from the pipe body, of the connecting pipe is communicated with a gas collecting box, an adjusting wheel is rotatably connected to one side of the gas collecting box, and a heating pipe is installed inside the cylinder;
the rear surface mounting of casing has drive assembly, drive assembly includes the traction wheel, the traction wheel is two, two the traction wheel meshes mutually, two the traction wheel all is located the below of secondary processing subassembly.
The invention is further configured to: the feeding assembly comprises feeding rollers which are symmetrically arranged, the two feeding rollers are rotationally connected to the front surface of the supporting plate, an optical fiber perform rod is arranged between the two feeding rollers, and a hook is mounted at the top of the optical fiber perform rod.
The invention is further configured to: two the equal fixedly connected with bull stick of inner wall of traction wheel, the one end of bull stick runs through the rear surface of casing and is connected with the gear, two the gear meshes mutually.
The invention is further configured to: the rear surface mounting of casing has the support, the motor is installed to one side of support, the output of motor runs through one side of support and the rear surface of casing, the transmission is connected with the drive belt between the output of motor and the lateral wall of a bull stick.
The invention is further configured to: the lateral wall sliding connection of barrel has the slider, the one end of slider and the lateral wall fixed connection of gas collection box.
The invention is further configured to: the heat insulation plate is rotatably connected inside the barrel, a through groove is formed in one side of the heat insulation plate, and one side of the sliding block is inserted into the through groove.
The invention is further configured to: the output end of the motor is fixedly connected with a fixing seat, one end, far away from the connecting pipe, of the pipe body is inserted into the fixing seat, an electric push rod is installed inside the fixing seat, the electric push rod is electrically connected with the controller through a wire, and a locking mechanism is installed on one side, far away from the barrel, of the heat insulation plate.
The invention is further configured to: the front surface of the shell is provided with a door body, one side of the shell is provided with a discharge hole, and the discharge hole is arranged corresponding to the two traction wheels.
An optical fiber preform elongating process, using the above-mentioned optical fiber preform elongating apparatus, comprising the steps of:
s1, measuring the outer diameters corresponding to all positions of the optical fiber perform rod to be extended, inputting the outer diameters into a system, calculating and fitting the outer diameter size of the whole optical fiber perform rod by the system,
s2, connecting a hook with the optical fiber perform, enabling the hook and external vertical extension equipment to be connected, enabling the optical fiber perform to slide between two feeding rollers, feeding the bottom of the optical fiber perform to a hot zone position of a melting furnace, and enabling the two feeding rollers to perform rod feeding operation on the optical fiber perform;
s3, heating the melting furnace to the melting temperature, heating and melting the optical fiber perform at the hot zone position by the melting furnace, allowing the melted optical fiber perform to droop and extend under the influence of gravity, allowing the extended sub-rods to downwards measure diameter data in real time through a diameter gauge, and then downwards passing through a regulating wheel and a traction wheel, controlling the rotation of a fixed seat by a driving assembly, allowing the fixed seat to drive a transmission belt to synchronously rotate, allowing the transmission belt to drive a rotating rod and a corresponding gear, the traction wheel and the fixed seat to synchronously rotate, allowing the gear to drive another gear, the rotating rod and the traction wheel to synchronously rotate, and allowing the two traction wheels to cooperatively drag the extended sub-rods;
s4, pulling out the bottom end of the sub-rod through a discharge hole.
The invention has the advantages that the invention has the beneficial effects,
(1) The rough drawing and the fine drawing are combined into a whole, the operation of personnel in the process flow and the extension process is reduced, and the optical fiber preform is extended into a sub-rod with the required specification and uniform diameter through a single process flow;
(2) Through the arrangement of the secondary processing assembly, if the diameter change is overlarge when the optical fiber perform is extended, the driving assembly controls the rotating speed of the fixing seat to be increased, the tube body synchronously rotates along with the fixing seat, the tube body drives the connecting tube, the sliding block and the gas collecting box to move, and the gas collecting box drives the adjusting wheel to support the extended sub-rods; the heat of the heating pipe is transferred to the adjusting wheel through the pipe body, the connecting pipe and the gas collecting box, the adjusting wheel secondarily melts the sub-rods, and the sub-rods after being extended are reshaped by matching with the two traction wheels.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a schematic view of the internal structure of the housing of the present invention;
FIG. 4 is a front view of the present invention;
FIG. 5 isbase:Sub>A cross-sectional view of FIG. 4 taken along the line A-A;
FIG. 6 is a schematic view of the internal structure of the fixing base of the present invention;
in the figure: 1. a housing; 2. a door body; 3. a support plate; 4. a feeding assembly; 41. a feed roller; 42. an optical fiber preform; 43. hooking; 5. a melting furnace; 6. a drive assembly; 61. a support; 62. a motor; 63. a transmission belt; 64. a gear; 65. a rotating rod; 66. a traction wheel; 7. a diameter gauge; 8. a discharge port; 9. secondary processing of the assembly; 91. a cylinder body; 92. a heat insulation plate; 93. a pipe body; 94. a connecting pipe; 95. a slider; 96. a gas collection box; 97. an adjustment wheel; 98. a through groove; 99. a fixed seat; 901. an electric push rod; 902. heating a tube; 903. a locking mechanism; 10. and a controller.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It is to be noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present invention, unless stated to the contrary, the use of the terms "up" and "down" generally refer to the orientation as shown in the drawings, or to the vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "left and right" are generally directed to the left and right as shown in the drawings; "inner and outer" refer to the inner and outer relative to the profile of the respective member itself, but the above directional terms are not intended to limit the present invention.
Referring to fig. 1-6, the present invention provides the following technical solutions: an extension device of an optical fiber perform comprises a shell 1, wherein a supporting plate 3 is fixedly connected to the top of the shell 1, a melting furnace 5 is installed on the front surface of the supporting plate 3, a controller 10 is installed on one side of the shell 1, the supporting plate 3 is used for fixedly installing the melting furnace 5, a feeding component 4 is installed on the front surface of the supporting plate 3, the feeding component 4 is located right above the melting furnace 5, the feeding component 4 comprises feeding rollers 41, the feeding rollers 41 are symmetrically arranged, the two feeding rollers 41 are both rotatably connected to the front surface of the supporting plate 3, the optical fiber perform 42 is arranged between the two feeding rollers 41, a hook 43 is installed at the top of the optical fiber perform 42, the two feeding rollers 41 are used for feeding the optical fiber perform 42 into the melting furnace 5, and the melting furnace 5 is used for melting the optical fiber perform 42;
A support 61 is arranged on the rear surface of the shell 1, a motor 62 is arranged on one side of the support 61, the output end of the motor 62 penetrates through one side of the support 61 and the rear surface of the shell 1, a transmission belt 63 is connected between the output end of the motor 62 and the outer side wall of one rotating rod 65 in a transmission manner, and the motor 62 is used for driving the transmission belt 63 to transmit, so that the transmission belt 63 and one rotating rod 65 can synchronously rotate;
the secondary processing assembly 9 comprises a cylinder 91, the cylinder 91 is fixedly connected to the inner wall of the shell 1, a pipe body 93 is arranged inside the cylinder 91, the outer side wall of the pipe body 93 is communicated with a connecting pipe 94, one end, away from the pipe body 93, of the connecting pipe 94 is communicated with a gas collecting box 96, one side of the gas collecting box 96 is rotatably connected with an adjusting wheel 97, a heating pipe 902 is arranged inside the cylinder 91, the heating pipe 902 is used for heating air inside the cylinder 91, hot air enters the pipe body 93 and flows through the pipe body 93, the connecting pipe 94 and the gas collecting box 96, so that the adjusting wheel 97 is heated, and the adjusting wheel 97 is used for guiding the extended sub-rods;
the output end of the motor 62 is fixedly connected with a fixed seat 99, one end of the pipe body 93, which is far away from the connecting pipe 94, is inserted into the fixed seat 99, an electric push rod 901 is installed inside the fixed seat 99, the electric push rod 901 is electrically connected with the controller 10 through a conducting wire, one side, which is far away from the cylinder 91, of the heat insulation plate 92 is provided with a locking mechanism 903, the locking mechanism 903 is an electromagnet, the motor 62 is used for driving the fixed seat 99 to synchronously rotate, the controller 10 is used for controlling the opening and closing of the electric push rod 901, when the electric push rod 901 extends out, the fixed seat 99 is connected with the pipe body 93, so that the fixed seat 99 can drive the pipe body 93 to synchronously rotate, and the locking mechanism 903 is used for carrying out adsorption locking on the connecting pipe 94;
the outer side wall of the cylinder 91 is connected with a sliding block 95 in a sliding manner, one end of the sliding block 95 is fixedly connected with the side wall of the air collecting box 96, when the pipe body 93 rotates, the pipe body 93 can drive the connecting pipe 94 to rotate synchronously, and the connecting pipe 94 drives the sliding block 95 to slide on the outer side wall of the cylinder 91;
the heat insulation plate 92 is rotatably connected inside the barrel 91, a through groove 98 is formed in one side of the heat insulation plate 92, one side of the sliding block 95 is inserted into the through groove 98, the heat insulation plate 92 is used for sealing the barrel 91, hot air leakage inside the barrel 91 is avoided, and the sliding block 95 is inserted into the through groove 98, when the sliding block 95 slides, the sliding block 95 can drive the heat insulation plate 92 to slide inside the barrel 91 through the limiting fit of the through groove 98 and the sliding block 95, so that hot air leakage is avoided, and the situation that the sliding block 95 cannot slide due to the blocking of the heat insulation plate 92 when sliding is avoided;
the front surface of the shell 1 is provided with a door body 2, one side of the shell 1 is provided with a discharge hole 8, the discharge hole 8 is arranged corresponding to the two traction wheels 66, the door body 2 is used for sealing the shell 1 to ensure that the sub-rods are not influenced by the outside in the shell 1, the discharge hole 8 is used for pulling out and collecting the extended sub-rods, and the discharge hole 8 and the two traction wheels 66 are on the same horizontal line, namely the sub-rods are not folded when being driven by the two traction wheels 66 and the discharge hole 8;
an optical fiber preform elongating process, comprising the steps of:
s1, measuring the outer diameters corresponding to the positions of the optical fiber preforms 42 to be extended, inputting the outer diameters into a system, and calculating and fitting the outer diameter of the whole optical fiber preforms 42 by the system;
s2, connecting the hook 43 with the optical fiber perform 42, enabling the hook 43 and external vertical extension equipment to be connected, enabling the optical fiber perform 42 to slide to a position between the two feeding rollers 41, feeding the bottom of the optical fiber perform 42 to a hot zone position of the melting furnace 5, and enabling the two feeding rollers 41 to perform rod feeding operation on the optical fiber perform 42;
s3, the melting furnace 5 is heated to the melting temperature, the melting furnace 5 heats and melts the optical fiber perform 42 at the hot area position, the melted optical fiber perform 42 sags and extends under the influence of gravity, the extended sub-rods downwards measure diameter data in real time through the diameter gauge 7, then downwards pass through the adjusting wheel 97 and the traction wheel 66, the driving assembly 6 controls the fixed seat 99 to rotate, the fixed seat 99 drives the transmission belt 63 to synchronously rotate, the transmission belt 63 drives one rotating rod 65 and the corresponding gear 64, the traction wheel 66 and the fixed seat 99 to synchronously rotate, the gear 64 drives the other gear 64, the rotating rod 65 and the traction wheel 66 to synchronously rotate, and the two traction wheels 66 cooperate to pull the extended sub-rods;
s4, pulling out the bottom end of the sub-rod through a discharge hole 8.
Examples
Specifically, the worker first measures the outer diameters corresponding to the positions of the optical fiber preforms 42 to be extended, inputs the measured outer diameters into the system, and the system calculates and fits the outer diameter of the whole optical fiber preforms 42;
connecting a hook 43 with the optical fiber perform 42, connecting the hook 43 with external vertical extension equipment, sliding the optical fiber perform 42 to a position between two feeding rollers 41, feeding the bottom of the optical fiber perform 42 to a hot zone position of the melting furnace 5, and feeding the optical fiber perform 42 by the two feeding rollers 41;
the melting furnace 5 is heated to the melting temperature, the melting furnace 5 heats and melts the optical fiber perform 42 at the hot zone position, the melted optical fiber perform 42 sags and extends under the influence of gravity, the extended sub-rods downwards pass through the diameter measuring instrument 7, the adjusting wheel 97 and the traction wheel 66 in sequence, the diameter measuring instrument 7 measures the diameter of the extended optical fiber perform 42 in real time, the driving assembly 6 controls the fixed seat 99 to rotate, the fixed seat 99 drives the transmission belt 63 to synchronously rotate, the transmission belt 63 drives one rotating rod 65 and the corresponding gear 64, the traction wheel 66 and the fixed seat 99 to synchronously rotate, the gear 64 drives the other gear 64, the rotating rod 65 and the traction wheel 66 to synchronously rotate, the two traction wheels 66 are matched with each other to pull the extended sub-rods, and the bottom ends of the sub-rods are pulled out through the discharge port 8;
if the diameter change is too large when the optical fiber perform rod 42 is extended, the diameter measuring instrument 7 transmits a detection result to the controller, the controller 10 respectively controls the electric push rod 901 to extend out and the driving component 6 to accelerate the rotating speed, the driving component 6 controls the fixing seat 99 to accelerate the rotating speed, the piston rod of the electric push rod 901 is pressed on the outer side wall of the tube body 93, the tube body 93 synchronously rotates along with the fixing seat 99, the tube body 93 drives the connecting tube 94, the sliding block 95 and the gas collection box 96 to move, when the connecting tube 94 moves to an inclined state, the locking mechanism 903 locks the connecting tube, the piston rod of the electric push rod 901 contracts along with the piston rod, and the gas collection box 96 drives the adjusting wheel 97 to support the extended sub-rods;
the heat of the heating pipe 902 is transferred to the adjusting wheel 97 through the pipe body 93, the connecting pipe 94 and the gas collecting box 96, the adjusting wheel 97 secondarily melts the sub-rods, and the extended sub-rods are reshaped by matching with the two traction wheels 66.
It is to be understood that the above-described embodiments are only a few, and not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The above are only preferred embodiments of the present invention, and the scope of the present invention is not limited to the above examples, and all technical solutions that fall under the spirit of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (9)
1. The utility model provides an optical fiber perform's extension equipment, includes casing (1), the top fixedly connected with backup pad (3) of casing (1), the front surface mounting of backup pad (3) has melting furnace (5), its characterized in that: a controller (10) is installed on one side of the shell (1), a feeding component (4) is installed on the front surface of the supporting plate (3), the feeding component (4) is located right above the melting furnace (5), a diameter measuring instrument (7) is installed at the top of the shell (1), the diameter measuring instrument (7) is located right below the melting furnace (5), the diameter measuring instrument (7) is electrically connected with the controller (10) through a conducting wire, a secondary processing component (9) is installed inside the shell (1), the secondary processing component (9) comprises a cylinder (91), the cylinder (91) is fixedly connected to the inner wall of the shell (1), a pipe body (93) is arranged inside the cylinder (91), the outer side wall of the pipe body (93) is communicated with a connecting pipe (94), one end, far away from the pipe body (93), of the connecting pipe (94) is communicated with a gas collecting box (96), one side of the gas collecting box (96) is rotatably connected with an adjusting wheel (97), and a heating pipe (902) is installed inside the cylinder (91);
the rear surface mounting of casing (1) has drive assembly (6), drive assembly (6) are including traction wheel (66), traction wheel (66) are two, two traction wheel (66) mesh mutually, two traction wheel (66) all are located the below of secondary operation subassembly (9).
2. An apparatus for elongating an optical fiber preform according to claim 1, wherein: the feeding assembly (4) comprises feeding rollers (41), the feeding rollers (41) are symmetrically arranged, the two feeding rollers (41) are rotatably connected to the front surface of the supporting plate (3), an optical fiber perform (42) is arranged between the two feeding rollers (41), and a hook (43) is mounted at the top of the optical fiber perform (42).
3. An apparatus for elongating an optical fiber preform according to claim 2, wherein: the inner wall of the two traction wheels (66) is fixedly connected with a rotating rod (65), one end of the rotating rod (65) penetrates through the rear surface of the shell (1) and is connected with a gear (64), and the two gears (64) are meshed with each other.
4. An apparatus for elongating an optical fiber preform according to claim 3, wherein: the rear surface mounting of casing (1) has support (61), motor (62) are installed to one side of support (61), the output of motor (62) runs through the rear surface of one side of support (61) and casing (1), the transmission is connected with drive belt (63) between the output of motor (62) and the lateral wall of a bull stick (65).
5. An apparatus for elongating an optical fiber preform according to claim 4, wherein: the outer side wall of the cylinder body (91) is connected with a sliding block (95) in a sliding mode, and one end of the sliding block (95) is fixedly connected with the side wall of the air collecting box (96).
6. An apparatus for elongating an optical fiber preform according to claim 5, wherein: the heat insulation plate (92) is rotatably connected to the inside of the barrel (91), a through groove (98) is formed in one side of the heat insulation plate (92), and one side of the sliding block (95) is inserted into the through groove (98).
7. An apparatus for elongating an optical fiber preform according to claim 6, wherein: the output end of the motor (62) is fixedly connected with a fixed seat (99), one end, far away from the connecting pipe (94), of the pipe body (93) is inserted into the fixed seat (99), an electric push rod (901) is installed inside the fixed seat (99), the electric push rod (901) is electrically connected with the controller (10) through a wire, and a locking mechanism (903) is installed on one side, far away from the barrel body (91), of the heat insulation plate (92).
8. An apparatus for elongating an optical fiber preform according to claim 7, wherein: the front surface mounting of casing (1) has the door body (2), discharge gate (8) have been seted up to one side of casing (1), discharge gate (8) correspond with two traction wheel (66) and set up.
9. An extension process of an optical fiber preform, characterized in that: an elongating apparatus using the optical fiber preform of claim 8, by the steps of,
s1, measuring the outer diameter corresponding to each position of an optical fiber preform (42) to be extended, inputting the outer diameter into a system, and calculating and fitting the outer diameter of the whole optical fiber preform (42) by the system;
s2, connecting a hook (43) with the optical fiber preform (42), enabling the hook (43) and external vertical extension equipment to be connected, enabling the optical fiber preform (42) to slide to a position between two feeding rollers (41), feeding the bottom of the optical fiber preform into a hot zone of a melting furnace (5), and enabling the two feeding rollers (41) to perform rod feeding operation on the optical fiber preform (42);
s3, the melting furnace (5) is heated to the melting temperature, the melting furnace (5) heats and melts the optical fiber perform (42) at the hot zone position, the melted optical fiber perform (42) sags and extends under the influence of gravity, the extended sub-rods downwards measure diameter data through the diameter gauge (7) in real time, then the extended sub-rods downwards pass through the adjusting wheel (97) and the traction wheel (66), the driving assembly (6) controls the fixed seat (99) to rotate, the fixed seat (99) drives the transmission belt (63) to synchronously rotate, the transmission belt (63) drives one rotating rod (65) and the corresponding gear (64), the traction wheel (66) and the fixed seat (99) to synchronously rotate, the gear (64) drives the other gear (64), the rotating rod (65) and the traction wheel (66) to synchronously rotate, and the two traction wheels (66) are matched with the extended sub-rods;
s4, pulling out the bottom end of the sub-rod through a discharge hole (8).
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| CN202211353598.3A CN115784598B (en) | 2022-11-01 | 2022-11-01 | Extension equipment and extension process of optical fiber preform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211353598.3A CN115784598B (en) | 2022-11-01 | 2022-11-01 | Extension equipment and extension process of optical fiber preform |
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| CN115784598B CN115784598B (en) | 2024-05-28 |
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| CN114804612A (en) * | 2021-01-29 | 2022-07-29 | 信越化学工业株式会社 | Method and apparatus for elongating glass base material |
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|---|---|---|---|---|
| US20010009104A1 (en) * | 1997-03-25 | 2001-07-26 | The Furukawa Electric Co., Ltd. | Electric furnace extension method and extension apparatus for optical fiber glass preform |
| JP2000086263A (en) * | 1998-07-01 | 2000-03-28 | Shin Etsu Chem Co Ltd | Method for processing optical fiber preform and processing device therefor |
| CN1910120A (en) * | 2004-01-14 | 2007-02-07 | 信越化学工业株式会社 | Method and device for drawing optical fiber preform |
| CN101798172A (en) * | 2010-02-09 | 2010-08-11 | 中天科技精密材料有限公司 | Extending device and method of optical fiber mother material |
| CN111153589A (en) * | 2020-03-18 | 2020-05-15 | 上海昱品通信科技股份有限公司 | Traction equipment for extending special optical fiber preform and drawing capillary tube |
| CN114804612A (en) * | 2021-01-29 | 2022-07-29 | 信越化学工业株式会社 | Method and apparatus for elongating glass base material |
| CN216404208U (en) * | 2021-12-14 | 2022-04-29 | 藤仓烽火光电材料科技有限公司 | Optical fiber perform extends device |
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