CN109665709B - Stripping device for loose body of optical fiber preform - Google Patents
Stripping device for loose body of optical fiber preform Download PDFInfo
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- CN109665709B CN109665709B CN201910086193.XA CN201910086193A CN109665709B CN 109665709 B CN109665709 B CN 109665709B CN 201910086193 A CN201910086193 A CN 201910086193A CN 109665709 B CN109665709 B CN 109665709B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 120
- 238000005520 cutting process Methods 0.000 claims abstract description 68
- 238000007789 sealing Methods 0.000 claims description 28
- 238000003825 pressing Methods 0.000 claims description 3
- 206010040844 Skin exfoliation Diseases 0.000 description 67
- 238000000034 method Methods 0.000 description 27
- 238000001816 cooling Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 230000008021 deposition Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000011282 treatment Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012769 bulk production Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000005658 halogenation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 238000011328 necessary treatment Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
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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
-
- 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
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/01466—Means for changing or stabilising the diameter or form of tubes or rods
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
The invention discloses a stripping device for loose bodies of an optical fiber preform, which comprises a rack and a stripping device, wherein the rack comprises a placing platform for placing the loose bodies of the optical fiber preform; the moving platform is arranged on the rack in a sliding manner; the driving mechanism drives the moving platform to move along the length direction of the placing platform; the peeling mechanism is arranged on the moving platform and is used for peeling loose bodies of the optical fiber preform; the positioning mechanism is used for fixing the loose body of the optical fiber preform; the peeling mechanism includes: the peeling cylinder is slidably mounted on the moving platform; the fixing structure is used for fixing the cylinder body of the peeling cylinder on the moving platform; and the cutting knife is fixed with a piston rod of the peeling cylinder and is used for peeling the loose bodies. The cutting knife is driven by the peeling cylinder, so that loose objects can be peeled off automatically and quickly; the cutting knife is driven by the peeling cylinder, and the cutting force can be adjusted by controlling the pressure of the peeling cylinder; the loose body of the optical fiber preform can be automatically cut off, and the labor intensity of workers is reduced.
Description
The present application is a divisional application entitled "method and apparatus for stripping loose bodies of optical fiber preform", filed 2016, year 07, month 01, and application No. 201610514679.5.
Technical Field
The invention relates to the technical field of optical fibers, in particular to a device and a method for stripping loose bodies of an optical fiber preform.
Background
The principle of the method is that gaseous halide reacts with oxyhydrogen flame or methane flame to produce a large amount of silicon dioxide dust particles, the particles are deposited on the outer surface of a core rod layer by layer along with the back-and-forth movement of the core rod, and after the deposition is finished, sintering vitrification is carried out to obtain the optical fiber preform. The production schematic diagram is shown in figure 1: wherein the torch 3 of halogenation reaction can produce a large amount of silicon dioxide "dust" particles, the core rod 1 is fixed on the equipment, can rotate and move left and right, and the loose body 2 of dust is deposited on the core rod 1.
If the equipment abnormality, the raw material abnormality and other sudden conditions occur in the manufacturing process, the whole optical fiber preform loose body is scrapped. In order to recover part of the loss, it is necessary to strip the loose bodies 2 of dust, retain the core rod 1 therein, and then the core rod 1 is subjected to necessary treatment for reuse in production. As the loose body of the optical fiber preform rod is deposited by a blast burner, the density of the loose body is higher and can reach 0.5g/cm3The loose bodies of the optical fiber preform are nearly vitrified, thereby causing difficulty in stripping the loose bodies.
In the prior art, the loose body of the optical fiber preform needs to be manually stripped to a position 5mm away from the core rod, the surface of the core rod loose body is washed by pure water, and the loose body at the innermost layer is exploded by utilizing the temperature mutation of the loose body. Workers adopt axes to strip loose bodies of the prefabricated rod, and the loose bodies of the optical fiber prefabricated rod are high in density, so that time and labor are wasted during stripping, the labor intensity of the workers is high, and the stripping efficiency is low.
Disclosure of Invention
In order to reduce the labor intensity of workers and improve the stripping efficiency of the loose body of the optical fiber preform, a method and a device for stripping the loose body of the optical fiber preform are provided.
The stripping method and the stripping device can be suitable for the loose bodies of the optical fiber preforms with various sizes, and are particularly suitable for the loose bodies of the large-size optical fiber preforms, because the loose bodies of the large-size optical fiber preforms are large in quality, the stripping amount is large, the labor intensity is particularly large when the large-size optical fiber preforms are stripped manually, the labor intensity can be effectively reduced through the stripping method and the stripping device, and the stripping efficiency is improved.
The technical scheme adopted by the invention is as follows:
a method for stripping loose bodies of an optical fiber preform comprises the following steps:
1) cooling the loose body of the optical fiber preform rod with failed deposition;
2) putting the cooled loose body of the optical fiber preform into a placing platform;
3) controlling the stripping cylinder to move for multiple times, moving from one end of the loose body of the optical fiber preform to the other end, and after the stripping cylinder finishes moving once, driving a piston rod of the stripping cylinder to move a cutting knife to strip the loose body outside the core rod for one time;
4) adjusting the position of the stripping cylinder or rotating the optical fiber preform loose body, and repeating the step 3);
5) repeating the step 4) until the minimum distance between the loose body and the core rod is within a specified range;
6) instantly cooling the loose body on the outer side of the core rod to ensure that the loose body is fried from the core rod;
7) and after the core rod is cooled, carrying out acid etching treatment on the core rod.
In consideration of the hardness of the loose objects, the cutting knife is driven by the peeling cylinder, so that the loose objects can be automatically and quickly peeled; the cutting knife is driven by the peeling cylinder, and the cutting force can be adjusted by controlling the pressure of the peeling cylinder; the loose body of the optical fiber preform can be automatically cut off, and the labor intensity of workers is reduced.
Optionally, in the step 3), when the stripping cylinder performs stripping treatment, the optical fiber preform loose body is fixed by the positioning mechanism.
Can fix the loose body of optical fiber perform through positioning mechanism, prevent that the cylinder of peeling off from removing when handling, the loose body of optical fiber perform removes, influences the work of peeling off.
In actual use, the positioning mechanism may hold the loose body of the optical fiber preform at all times, or hold the loose body of the optical fiber preform during the stripping process.
Optionally, after 4 times of step 3), the loose bodies on the loose bodies of the optical fiber preform are cuboid, and at this time, one circumferential stripping operation is completed;
the minimum distance between the loose objects and the core rod is within a specified range by at least one circumferential stripping operation.
In order to peel the optical fiber preform loose body into a rectangular parallelepiped shape, the first face may be cut at the first time; in the second time, the peeling cylinder is moved to cut a second surface opposite to the first surface; in the third time, rotating the loose body of the optical fiber preform by 90 degrees, and cutting a third surface; and in the fourth time, rotating the loose optical fiber preform body by 180 degrees and cutting a fourth surface.
In addition to the above cutting pattern, it may be: cutting the first surface for the first time; during the second time, the loose body of the optical fiber preform rod is rotated by 90 degrees clockwise, and then the second surface is cut; in the third time, the loose body of the optical fiber preform rod is rotated by 90 degrees clockwise, and then the third surface is cut; in the fourth time, the optical fiber preform loose body is rotated clockwise by 90 °, and then the fourth face is cut.
The second cutting form above may also replace a 90 ° clockwise rotation with a 90 ° counterclockwise rotation.
In addition to the above cutting methods, in practice, the cutting sequence and the corresponding rotation angle may be selected as required.
Optionally, the specified range in step 5) is: 3-10 mm.
Optionally, after each circumferential stripping operation is completed, the position of the stripping cylinder is adjusted, so that the horizontal distance from the stripping cylinder to the axis of the mandrel is reduced.
Through circumferential stripping operation for many times, the stripping amount during each stripping operation can be reduced, and the working strength of the stripping cylinder and the cutting knife can be reduced, so that the stripping reliability and the stripping effect are ensured.
Optionally, in the step 1), cooling the loose body of the optical fiber preform rod with failed deposition to 180-250 ℃; cooling the optical fiber preform loose body to 130-160 ℃ before the step 6).
Optionally, the operation method of instant temperature reduction in step 6) is as follows: and washing the surface of the loose body with purified water at the temperature of 5-20 ℃.
In order to ensure the uniformity of the peeling operation, in the step 3), the peeling cylinder moves the same distance each time.
And 7) after the acid etching treatment is carried out on the core rod, washing the core rod by deionized water, and drying.
The invention also discloses a stripping device for the loose bodies of the optical fiber preform, which can realize the stripping method, and the stripping device comprises:
the frame comprises a placing platform for placing the loose body of the optical fiber preform;
the moving platform is arranged on the rack in a sliding manner;
the driving mechanism drives the moving platform to move along the length direction of the placing platform;
the peeling mechanism is arranged on the moving platform and is used for peeling loose bodies of the optical fiber preform;
the positioning mechanism is used for fixing the loose body of the optical fiber preform;
the peeling mechanism includes:
the peeling cylinder is slidably mounted on the moving platform;
the fixing structure is used for fixing the cylinder body of the peeling cylinder on the moving platform;
and the cutting knife is fixed with a piston rod of the peeling cylinder and is used for peeling the loose bodies.
The cutting knife is driven by the peeling cylinder, so that the loose bodies can be peeled automatically and quickly; the cutting knife is driven by the peeling cylinder, and the cutting force can be adjusted by controlling the pressure of the peeling cylinder; the stripping device can automatically cut the loose body of the optical fiber preform, thereby reducing the labor intensity of workers.
The stripping device works as follows:
the loose bodies of the optical fiber preform rod, which need to be stripped, are placed in a placing platform, and one end of the loose bodies of the optical fiber preform rod can be propped against the base frame for convenience in positioning and preventing the loose bodies of the optical fiber preform rod from shifting;
adjusting the position of the peeling cylinder, and fixing the cylinder body of the peeling cylinder with the movable platform through a fixing structure;
the peeling cylinder and the positioning mechanism work to peel the loose bodies; the driving mechanism works to control the moving platform to move gradually, and the optical fiber preform loose body moves from one end to the other end to complete one cutting operation;
adjusting the position of a stripping cylinder or rotating the loose body of the optical fiber preform to finish the cutting work once again;
after the position of the stripping cylinder is adjusted for multiple times or the loose bodies of the optical fiber preform are rotated, the loose bodies of the optical fiber preform meet the requirements of the next procedure, namely, when the next procedure is carried out for instant cooling, the rest loose bodies are exploded from the core rod.
In general, the loose bodies of the optical fiber preform meet the requirements of the next process, and the minimum distance between the loose bodies and the core rod is 3-10 mm.
Optionally, the positioning mechanism includes:
the two positioning cylinders are arranged on the moving platform and are respectively positioned at two sides of the peeling cylinder;
and the positioning block is arranged on the piston rod corresponding to the positioning cylinder and used for pressing and fixing the loose body of the optical fiber preform.
Its piston rod roll-off of location cylinder during operation drives the locating piece and withstands the loose body of optical fiber perform to fix a position the loose body of optical fiber perform, two location cylinders are located the both sides of peeling off the cylinder respectively, set up like this and make the cutting sword during operation, and the atress is better, and cutting work can be reliable going on smoothly.
In order to ensure the positioning effect, the positioning block is made of tetrafluoroethylene rubber. Other materials may be used in practice.
Optionally, the rack is provided with a front sealing plate, a rear sealing plate and an inclined plate inclined towards the front sealing plate or the rear sealing plate, and the inclined plate is located below the placing platform and used for concentrating the stripped loose objects to one side of the front sealing plate or the rear sealing plate.
This design of the frame facilitates the collection of the stripped loose material, thereby reducing the labor intensity of the worker. When the device is actually used, the loose objects are concentrated on the sealing plate (the front sealing plate or the rear sealing plate), and the corresponding sealing plate is provided with a discharge port for discharging the loose objects.
The loose body of the optical fiber preform is not a finished optical fiber preform, and the loose body of the optical fiber preform comprises a core rod and a loose body needing to be stripped.
The invention has the beneficial effects that: the cutting knife is driven by the peeling cylinder, so that the loose bodies can be peeled automatically and quickly; the cutting knife is driven by the peeling cylinder, and the cutting force can be adjusted by controlling the pressure of the peeling cylinder; the loose body of the optical fiber preform can be automatically cut off, and the labor intensity of workers is reduced.
Drawings
FIG. 1 is a schematic diagram of a prior art optical fiber preform bulk production;
FIG. 2 is a flowchart of a method for stripping loose bodies from an optical fiber preform according to the present invention;
FIG. 3 is a schematic structural view of an apparatus for stripping loose bodies of an optical fiber preform according to the present invention;
FIG. 4 is a schematic structural view of another perspective of the apparatus for stripping loose bodies from an optical fiber preform according to the present invention;
figure 5 is a schematic view of the stripping apparatus with the front closure plate removed;
FIG. 6 is a schematic structural view of the mobile platform, the peeling mechanism, and the positioning mechanism;
FIG. 7 is a top view of the stripping apparatus;
figure 8 is a schematic view of the sequence of stripping.
The figures are numbered:
1. the device comprises a mandrel, 2, a loose body, 3, a blowtorch, 4, a rack, 5, a moving platform, 6, a stripping mechanism, 7, an optical fiber perform loose body, 8, a positioning mechanism, 9, a driving mechanism, 10, a motor, 11, a screw rod, 12, a first sliding block, 13, a first rail, 14, a placing platform, 15, a front sealing plate, 16, a discharge port, 17, a rear sealing plate, 18, a screw rod nut, 19, an inclined plate, 20, an iron plate, 21, a vertical rod, 22, a mounting plate, 23, a strip-shaped positioning hole, 24, a positioning screw rod, 25, a butterfly nut, 26, a stripping cylinder, 27, a positioning cylinder, 28, a second rail, 29, a second sliding block, 30, a positioning block, 31 and a cutting knife.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
The loose body of the optical fiber preform is not a finished optical fiber preform, and comprises a core rod and a loose body needing to be stripped.
As shown in fig. 2, a method for stripping loose bodies of an optical fiber preform includes the steps of:
1) cooling the loose body of the optical fiber preform rod with failed deposition;
2) putting the cooled loose body of the optical fiber preform into a placing platform;
3) controlling the stripping cylinder to move for multiple times, moving from one end of the loose body of the optical fiber preform to the other end, and after the stripping cylinder finishes moving once, driving a piston rod of the stripping cylinder to move a cutting knife to strip the loose body outside the core rod for one time;
4) adjusting the position of the stripping cylinder or rotating the optical fiber preform loose body, and repeating the step 3);
5) repeating the step 4) until the minimum distance between the loose body and the core rod is within a specified range;
6) instantly cooling the loose body on the outer side of the core rod to ensure that the loose body is fried from the core rod;
7) and after the core rod is cooled, carrying out acid etching treatment on the core rod.
In consideration of the hardness of the loose objects, the cutting knife is driven by the peeling cylinder, so that the loose objects can be automatically and quickly peeled; the cutting knife is driven by the peeling cylinder, and the cutting force can be adjusted by controlling the pressure of the peeling cylinder; the loose body of the optical fiber preform can be automatically cut off, and the labor intensity of workers is reduced.
In this embodiment, in step 3), the loose optical fiber preform is fixed by the positioning mechanism during the stripping process performed by the stripping cylinder.
Can fix the loose body of optical fiber perform through positioning mechanism, prevent that the cylinder of peeling off from removing when handling, the loose body of optical fiber perform removes, influences the work of peeling off.
In actual use, the positioning mechanism may hold the loose body of the optical fiber preform at all times, or hold the loose body of the optical fiber preform during the stripping process.
In this embodiment, after 4 times of step 3), the loose bodies on the loose bodies of the optical fiber preform are in a rectangular shape, and at this time, one circumferential stripping operation is completed;
the minimum distance between the loose objects and the core rod is within a specified range by at least one circumferential stripping operation.
In order to peel the optical fiber preform loose body into a rectangular parallelepiped shape, the first face may be cut at the first time; in the second time, the peeling cylinder is moved to cut a second surface opposite to the first surface; in the third time, rotating the loose body of the optical fiber preform by 90 degrees, and cutting a third surface; and in the fourth time, rotating the loose optical fiber preform body by 180 degrees and cutting a fourth surface.
In addition to the above cutting pattern, it may be: cutting the first surface for the first time; during the second time, the loose body of the optical fiber preform rod is rotated by 90 degrees clockwise, and then the second surface is cut; in the third time, the loose body of the optical fiber preform rod is rotated by 90 degrees clockwise, and then the third surface is cut; in the fourth time, the optical fiber preform loose body is rotated clockwise by 90 °, and then the fourth face is cut.
The second cutting form above may also replace a 90 ° clockwise rotation with a 90 ° counterclockwise rotation.
In addition to the above cutting methods, in practice, the cutting sequence and the corresponding rotation angle may be selected as required.
In this embodiment, the specified range in step 5) is: 3-10 mm.
In this embodiment, after each circumferential stripping operation is completed, the position of the stripping cylinder is adjusted to reduce the horizontal distance from the stripping cylinder to the axis of the mandrel.
Through circumferential stripping operation for many times, the stripping amount during each stripping operation can be reduced, and the working strength of the stripping cylinder and the cutting knife can be reduced, so that the stripping reliability and the stripping effect are ensured.
In this embodiment, in step 1), the loose body of the optical fiber preform rod with failed deposition is cooled to 180 ℃ to 250 ℃; cooling the loose optical fiber preform to 130-160 ℃ before performing step 6).
In this embodiment, the operation method of instant temperature reduction in step 6) is as follows: and washing the surface of the loose body with purified water at the temperature of 5-20 ℃.
In order to ensure the uniformity of the peeling operation, the peeling cylinder moves the same distance each time in step 3).
And 7) after the core rod is subjected to acid etching treatment, washing the core rod by deionized water, and drying.
As shown in fig. 3, 4, 5 and 6, the present embodiment also discloses an apparatus for stripping loose bodies of an optical fiber preform, which can implement the method of the present embodiment, the stripping apparatus comprising:
the frame 4 comprises a placing platform 14 for placing the loose body 7 of the optical fiber preform;
the moving platform 5 is arranged on the rack 4 in a sliding manner;
the driving mechanism 9 drives the moving platform 5 to move along the length direction of the placing platform;
the peeling mechanism 6 is arranged on the moving platform and is used for peeling the loose bodies 7 of the optical fiber perform;
the positioning mechanism 8 is used for fixing the loose body 7 of the optical fiber perform;
as shown in fig. 6, the peeling mechanism 6 includes:
a peeling cylinder 26 slidably mounted on the movable platform 5;
a fixing structure for fixing the body of the peeling cylinder 26 on the moving platform 5;
and a cutting knife 31 fixed to a piston rod of the peeling cylinder 26 for peeling the loose objects.
The cutting knife is driven by the peeling cylinder, so that the loose bodies can be peeled automatically and quickly; the cutting knife is driven by the peeling cylinder, and the cutting force can be adjusted by controlling the pressure of the peeling cylinder; the stripping device can automatically cut the loose body of the optical fiber preform, thereby reducing the labor intensity of workers.
As shown in fig. 6, in the present embodiment, the positioning mechanism 8 includes:
two positioning cylinders 27 mounted on the moving platform 5 and respectively located at two sides of the peeling cylinder 26;
and the positioning block 30 is arranged on the piston rod of the corresponding positioning cylinder and used for pressing and fixing the loose body 7 of the optical fiber preform.
Its piston rod roll-off of location cylinder during operation drives the locating piece and withstands the loose body of optical fiber perform to fix a position the loose body of optical fiber perform, two location cylinders are located the both sides of peeling off the cylinder respectively, set up like this and make the cutting sword during operation, and the atress is better, and cutting work can be reliable going on smoothly. In order to ensure the positioning effect, in this embodiment, the positioning block is made of tetrafluoro rubber. Other materials may be used in practice.
As shown in fig. 3, 4 and 5, the frame 4 is provided with a front sealing plate 15, a rear sealing plate 17, and an inclined plate 19 inclined toward the front sealing plate or the rear sealing plate, and the inclined plate 19 is located below the placing platform 14 for concentrating the stripped loose objects to one side of the front sealing plate or the rear sealing plate. This design of the frame facilitates the collection of the stripped loose material, thereby reducing the labor intensity of the worker. In the present embodiment, the lower end of the inclined plate 19 is located on the side of the front sealing plate 15, and the front sealing plate 15 is provided with a discharge port 16 (see fig. 3) for discharging the loose objects; the bed frame 4 still includes left and right shrouding, and in this embodiment, for the convenience loose body landing, the hang plate presents 45 degrees angles with the horizontal plane.
As shown in fig. 3 and 4, in the present embodiment, the frame 4 is provided with a first rail 13, and the moving platform 5 is provided with a first sliding block 12 engaged with the first rail 13.
The driving mechanism of the present application may adopt a driving mechanism of the prior art, as shown in fig. 3 and 4, and in this embodiment, the driving mechanism 9 includes:
the screw rod 11 is rotatably arranged on the frame 4;
the motor 10 drives the screw rod 11 to rotate;
and the screw rod nut 18 is fixed on the movable platform 5, and the screw rod nut 18 is matched with the screw rod 11.
When the driving mechanism works, the motor 10 drives the screw rod 11 to rotate, the screw rod 11 is in threaded fit with the screw nut 18, and the screw nut 18 does not rotate but does linear motion to drive the moving platform 5 to move. In this embodiment, the motor is further connected to a speed reducer, the speed reducer is linked with the lead screw, and the driving mechanism further includes a first supporting seat for supporting the lead screw, and a second supporting seat (not shown) for supporting the motor and the motor speed reducer.
As shown in fig. 6, in the present embodiment, the moving platform 5 has a second rail 28, the first rail 13 and the second rail 28 are perpendicular to each other, and the peeling cylinder 26 is slidably engaged with the second rail 28 through a second slider 29. First track and second track mutually perpendicular, the design can make things convenient for the radial position of adjusting the cylinder of peeling like this, makes things convenient for cutting work.
As shown in fig. 6, in the present embodiment, the peeling cylinder 26 is fixed to the mounting plate 22, and the second slider 29 is fixed to the mounting plate 22;
the fixing structure includes:
the strip-shaped positioning hole 23 is arranged on the movable platform 5, and the movable platform 5 is provided with a scale mark matched with the strip-shaped positioning hole;
one end of the positioning screw rod 24 is fixed on the mounting plate 22, and the other end penetrates through the strip-shaped positioning hole 23;
and the butterfly nut 25 is matched with the positioning screw rod 24 and used for fixing the positioning screw rod and the strip-shaped positioning hole.
In this embodiment, the length direction of the strip-shaped positioning hole 23 is parallel to the length direction of the second rail 28. The cooperation of positioning screw and butterfly nut can convenient and fast's realization locking and unblock operation, conveniently adjusts the position of peeling off the cylinder, and the scale marks can conveniently carry out the accurate positioning to peeling off the cylinder.
In this embodiment, the placing platform 14 comprises two rods placed in parallel, and the distance between the two rods is smaller than the diameter of the core rod. The arrangement can ensure that the loose bodies of the optical fiber preform can be stably placed, and the core rod can not fall off from the placing platform after the loose bodies are stripped. In practical application, the two rods can be made of hollow square steel, and the gap between the two rods is slightly smaller than the diameter of the core rod.
In this embodiment, be equipped with adjustable position's limit sensor in the frame, limit switch and moving platform cooperation, perception moving platform's position, and limit sensor is connected with the control system electricity of motor, through limit sensor, can control the stroke of cutting to satisfy the work of peeling of the loose body of the optical fiber perform of various sizes. As shown in fig. 7, the movement of the movable platform between the cutting start point a and the cutting end point B can be controlled by the limit sensor.
As shown in fig. 6, in the present embodiment, the cutting blade 31 may be a symmetrical conical axe, the angle of which is 25 to 30 degrees, and the axe material is 40Cr after heat treatment, so as to ensure the hardness of the axe.
As shown in fig. 5, in the present embodiment, the base frame 4 includes at least four vertical rods 21, and an iron plate 20 is fixed to a lower end of each vertical rod. The contact area between the iron plate and the ground can be increased, and the base frame is good in stress effect.
In this embodiment, the height of placing platform is 600 ~ 700mm, and the length of bed frame is 3500 ~ 4500mm (1.2 ~ 1.8 times optical fiber perform loose body's length), and the width of bed frame is 500 ~ 900mm (1.5 ~ 2.5 times optical fiber perform loose body's diameter), highly is 900 ~ 1300mm, adopts this kind of specification to be favorable to workman's operating equipment to strip the device. In practical use, the corresponding size can be selected according to the requirement, and the application is not particularly limited.
In this embodiment, the diameter of the stripping cylinder is greater than 80mm to ensure that the cutting force can cut loose bodies of the optical fiber preform rod under a pressure of 0.3 Mpa.
One of the working processes of the stripping apparatus of the present embodiment is described below, and in actual operation, the corresponding steps can be adjusted as required, and the working process is as follows:
the loose bodies 7 of the optical fiber preform rod, which need to be stripped, are placed in the placing platform 14, and one end of the loose bodies 7 of the optical fiber preform rod can be propped against a left sealing plate or a right sealing plate of the base frame for convenience in positioning and prevention of the loose bodies of the optical fiber preform rod from shifting;
adjusting the position of the limit sensor to make the stroke of the movable platform be the length of the loose objects to be stripped, and referring to fig. 7;
the position of the peeling cylinder 26 is adjusted, and the cylinder body of the peeling cylinder is fixed with the movable platform through a fixing structure;
the peeling cylinder and the positioning mechanism work to peel the loose bodies, and the peeling operation process is as follows: the positioning cylinder 27 works, the positioning block 30 props against the loose body of the optical fiber perform, and then the peeling cylinder 6 works to drive the cutting knife 31 to carry out primary peeling operation; the driving mechanism works to control the moving platform to move gradually, the moving platform moves from the end A to the end B of the loose body of the optical fiber preform to finish one cutting operation, and the moving platform is controlled to reset to the initial position after the one cutting operation is finished;
adjusting the position of a stripping cylinder or rotating the loose body of the optical fiber preform to finish the cutting work once again;
after the position of the stripping cylinder is adjusted for multiple times or the loose bodies of the optical fiber preform are rotated, the loose bodies of the optical fiber preform meet the requirements of the next procedure, namely, when the next procedure is carried out for instant cooling, the rest loose bodies are exploded from the core rod.
The loose body of the optical fiber preform meets the requirements of the next procedure, namely the minimum distance between the loose body and the core rod is 3-10 mm.
As shown in fig. 8, one of the peeling modes of the peeling apparatus is completed by 8 cutting operations:
finishing cutting work of 1a, then adjusting the position of a peeling cylinder, finishing cutting work of 2a, rotating a loose body of an optical fiber preform by 90 degrees, finishing cutting work of 3a, rotating the loose body of the optical fiber preform by 180 degrees again, finishing cutting work of 4a, wherein circumferential peeling operation is finished once every four times of cutting work, then circumferential peeling operation is carried out for another time, in a graph 8, after finishing cutting work of 4a, adjusting the position of the peeling cylinder to reduce the horizontal distance between the peeling cylinder and a core rod, then after cutting work of 5a times, adjusting the position of the peeling cylinder again, finishing cutting work of 6a times, rotating the loose body of the optical fiber preform by 90 degrees, finishing cutting work of 7a times, rotating the loose body of the optical fiber preform by 180 degrees again, and finishing cutting work of 8a times.
The stripping apparatus may be in other forms than the stripping mode shown in fig. 8, as determined by the actual circumstances.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, which are directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (1)
1. An apparatus for stripping loose bodies from an optical fiber preform, comprising:
the frame comprises a placing platform for placing the loose body of the optical fiber preform;
the moving platform is arranged on the rack in a sliding manner;
the driving mechanism drives the moving platform to move along the length direction of the placing platform;
the peeling mechanism is arranged on the moving platform and is used for peeling loose bodies of the optical fiber preform;
the positioning mechanism is used for fixing the loose body of the optical fiber preform;
the peeling mechanism includes:
the peeling cylinder is slidably mounted on the moving platform;
the fixing structure is used for fixing the cylinder body of the peeling cylinder on the moving platform;
the cutting knife is fixed with a piston rod of the peeling cylinder and is used for peeling the loose objects;
the positioning mechanism includes: the two positioning cylinders are arranged on the moving platform and are respectively positioned at two sides of the peeling cylinder;
the positioning block is arranged on the piston rod of the corresponding positioning cylinder and used for pressing and fixing the loose body of the optical fiber preform;
the rack is provided with a front sealing plate, a rear sealing plate and an inclined plate inclined towards the front sealing plate or the rear sealing plate, and the inclined plate is positioned below the placing platform and used for concentrating the stripped loose bodies to one side of the front sealing plate or the rear sealing plate;
the frame is equipped with first track, has the first slider with first track complex on the moving platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910086193.XA CN109665709B (en) | 2016-07-01 | 2016-07-01 | Stripping device for loose body of optical fiber preform |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610514679.5A CN106186659B (en) | 2016-07-01 | 2016-07-01 | Method and device for stripping loose body of optical fiber preform |
| CN201910086193.XA CN109665709B (en) | 2016-07-01 | 2016-07-01 | Stripping device for loose body of optical fiber preform |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610514679.5A Division CN106186659B (en) | 2016-07-01 | 2016-07-01 | Method and device for stripping loose body of optical fiber preform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109665709A CN109665709A (en) | 2019-04-23 |
| CN109665709B true CN109665709B (en) | 2021-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910085695.0A Expired - Fee Related CN109678335B (en) | 2016-07-01 | 2016-07-01 | Method for stripping loose body of optical fiber preform |
| CN201610514679.5A Active CN106186659B (en) | 2016-07-01 | 2016-07-01 | Method and device for stripping loose body of optical fiber preform |
| CN201910086193.XA Expired - Fee Related CN109665709B (en) | 2016-07-01 | 2016-07-01 | Stripping device for loose body of optical fiber preform |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910085695.0A Expired - Fee Related CN109678335B (en) | 2016-07-01 | 2016-07-01 | Method for stripping loose body of optical fiber preform |
| CN201610514679.5A Active CN106186659B (en) | 2016-07-01 | 2016-07-01 | Method and device for stripping loose body of optical fiber preform |
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| Country | Link |
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| CN (3) | CN109678335B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107840566A (en) * | 2017-11-08 | 2018-03-27 | 深圳市中科智诚科技有限公司 | A kind of preform stripping off device based on Internet of Things |
| CN111423107B (en) * | 2020-04-29 | 2024-06-14 | 藤仓烽火光电材料科技有限公司 | Processing device and processing method for automatically separating loose bodies |
| CN113510301A (en) * | 2021-08-20 | 2021-10-19 | 无锡旭邦精密机械有限公司 | Automatic stripping equipment for toothed bar core rod |
| CN114524610B (en) * | 2022-02-28 | 2023-08-08 | 浙江富通光纤技术有限公司 | Optical fiber preform processing technology and optical fiber |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000327362A (en) * | 1999-05-14 | 2000-11-28 | Sumitomo Electric Ind Ltd | Optical fiber drawing furnace |
| FR2823572B1 (en) * | 2001-04-12 | 2004-11-26 | Cit Alcatel | METHOD OF STRIPPING OPTICAL FIBER |
| US7836728B2 (en) * | 2007-05-09 | 2010-11-23 | Ofs Fitel, Llc | Increasing the cladding-to-core ratio (D/d) of low D/d ratio core rods in optical fiber performs |
| CN201417331Y (en) * | 2009-06-17 | 2010-03-03 | 深圳市光网科技有限公司 | Fiber arrangement-type automatic optical fiber coating peeling machine |
| CN101891380B (en) * | 2010-07-13 | 2012-07-04 | 长飞光纤光缆有限公司 | Manufacturing method of large-size optical fiber preform |
| CN102976607B (en) * | 2011-09-06 | 2015-12-16 | 苏州佳因特光电科技有限公司 | A kind of single mode chalcogenide glass fiber and preparation method thereof |
| CN103376513B (en) * | 2012-04-27 | 2016-08-10 | 3M创新有限公司 | The joints of optical fibre |
| CN103558662B (en) * | 2013-11-25 | 2016-06-01 | 南京泰欧科技开发有限公司 | A kind of fiber stripping structure |
| CN204405891U (en) * | 2015-02-02 | 2015-06-17 | 武汉高新光机电有限公司 | Automatic optical fiber stripping wiping machine |
-
2016
- 2016-07-01 CN CN201910085695.0A patent/CN109678335B/en not_active Expired - Fee Related
- 2016-07-01 CN CN201610514679.5A patent/CN106186659B/en active Active
- 2016-07-01 CN CN201910086193.XA patent/CN109665709B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN109665709A (en) | 2019-04-23 |
| CN109678335A (en) | 2019-04-26 |
| CN106186659B (en) | 2019-03-15 |
| CN109678335B (en) | 2021-11-12 |
| CN106186659A (en) | 2016-12-07 |
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