CN109133605B - Method for repairing optical fiber preform - Google Patents
Method for repairing optical fiber preform Download PDFInfo
- Publication number
- CN109133605B CN109133605B CN201811068077.7A CN201811068077A CN109133605B CN 109133605 B CN109133605 B CN 109133605B CN 201811068077 A CN201811068077 A CN 201811068077A CN 109133605 B CN109133605 B CN 109133605B
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- Prior art keywords
- optical fiber
- pin
- grinding
- cylinder
- fiber perform
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/50—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground, e.g. strings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/14—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by liquid or gas pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/16—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load
- B24B49/165—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load for grinding tyres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
- B24B5/045—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally with the grinding wheel axis perpendicular to the workpiece axis
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B29/00—Reheating glass products for softening or fusing their surfaces; Fire-polishing; Fusing of margins
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
Abstract
The invention discloses a method for repairing an optical fiber preform, which comprises the following steps: 1) putting the optical fiber preform needing to be repaired into a base platform; 2) controlling a pin grinding cylinder to press downwards to enable a pin grinding sheet arranged on a piston rod of the pin grinding cylinder to abut against the optical fiber perform; 3) the pin grinding cylinder is driven by the reciprocating cylinder to reciprocate along the axis direction of the optical fiber perform, and the pin grinding sheet repairs the defective area of the optical fiber perform; 4) and polishing or acid etching the optical fiber preform with the repaired grinding pin. The invention can control the pressure applied on the optical fiber perform by the grinding pin sheet by controlling the air pressure of the grinding pin cylinder, thereby preventing the concave-convex flaw from being ground too deeply due to too large pressure; the reciprocating cylinder drives the grinding pin cylinder to reciprocate along the axis direction of the optical fiber perform, and compared with a manual handheld grinding machine, the manual handheld grinding machine can reduce the labor intensity of workers.
Description
The present application is a divisional application entitled "method and apparatus for repairing an optical fiber preform" filed 2016, 28.06.28. 201610517526.6.
Technical Field
The invention relates to an optical fiber perform, in particular to a method and a device for repairing the optical fiber perform.
Background
In the process of vitrification of an optical fiber preform, the preform loose body is scratched due to scraping with a furnace wall, and the vitrified preform has scratches with concave and convex surfaces. The depth of the concave-convex flaw is about 1-2 mm, and the concave-convex flaw cannot be eliminated in the subsequent acid etching or polishing process, so that the optical fiber drawing quality is influenced, and therefore the preform at the part needs to be removed.
In the prior art, concave-convex scars on the surface are removed through a handheld polishing machine, but the stress of the polishing machine is not easy to grasp, and the concave-convex scars are easily polished too deeply, so that the optical fiber preform is out of round and scrapped.
Disclosure of Invention
The invention provides a method and a device for repairing an optical fiber preform aiming at the problems.
The technical scheme adopted by the invention is as follows:
a method for repairing an optical fiber preform, comprising the steps of:
1) putting the optical fiber preform needing to be repaired into a base platform;
2) controlling a pin grinding cylinder to press downwards to enable a pin grinding sheet arranged on a piston rod of the pin grinding cylinder to abut against the optical fiber perform; the pressure of the pin grinding sheet applied to the optical fiber preform is in a preset pressure range by controlling the air pressure of the pin grinding cylinder;
3) the pin grinding cylinder is driven by the reciprocating cylinder to reciprocate along the axis direction of the optical fiber perform, and the pin grinding sheet repairs the defective area of the optical fiber perform;
4) and polishing or acid etching the optical fiber preform with the repaired grinding pin.
The repairing method can control the pressure applied on the optical fiber preform by the grinding pin sheet by controlling the air pressure of the grinding pin cylinder, thereby preventing the concave-convex scars from being ground too deeply due to too large pressure; the reciprocating cylinder drives the grinding pin cylinder to reciprocate along the axis direction of the optical fiber perform, and compared with a manual handheld grinding machine, the manual handheld grinding machine can reduce the labor intensity of workers.
When the repairing method is actually used, the grinding pin sheets with corresponding meshes can be selected according to the depth of the defect area. Generally, the grinding pin is abandoned at the depth of more than 3mm, the optical fiber preform is scrapped, the grinding pin sheet with 100 meshes is selected for rough grinding at the depth of 1 mm-3 mm, the concave-convex marks on the surface are ground more quickly, then the grinding pin sheet with 1000 meshes is used for fine grinding, and when the depth of the concave-convex marks is less than 1mm, the grinding pin sheet with 1000 meshes is directly used for fine grinding.
Optionally, in the step 4), when the optical fiber preform is processed in a polishing manner, the temperature is controlled to be 1600 ℃ to 2000 ℃; when the optical fiber perform is processed in an acid etching mode, the method comprises the following specific steps: and (3) putting the optical fiber preform into hydrofluoric acid with the volume percentage of 20-30%, and standing for 2-3 hours.
The polishing of this application refers to flame grinding, carries out the high temperature firing to the prefabricated stick through mobilizable blowtorch, and the blowtorch uses hydrogen and oxygen as fuel, produces high temperature during the burning, can clear away the impurity and the dust on optical fiber perform surface, releases the inhomogeneous internal stress that distributes originally in the optical fiber perform, makes the tiny crack healing etc. on prefabricated stick surface.
And 3) after the defective area is repaired by the pin grinding sheet, the surface roughness of the defective area of the optical fiber preform is about 10um as much as the roughness of the rest part of the optical fiber preform. The surface roughness of the optical fiber perform rod reaches about 1um through polishing or acid etching treatment so as to meet the requirement of optical fiber drawing.
Optionally, at least two sets of rolling support mechanisms are arranged on the base platform, the optical fiber perform rod is arranged on the rolling support mechanisms, and the optical fiber perform rod can rotate around the axis of the optical fiber perform rod.
Optionally, in step 3), when the reciprocating cylinder drives the pin grinding cylinder to reciprocate, the pin grinding sheet repairs the defective area in the circumferential direction of the optical fiber preform by rotating the optical fiber preform.
During the actual use, can drive optical fiber perform through corresponding equipment and rotate around self axis on rolling supporting mechanism, also can rotate optical fiber perform through artifical mode.
Optionally, the preset pressure range in the step 2) is 400N to 600N.
When the pressure is too small, the pin grinding effect is poor, when the pressure is too large, the pin is easy to be excessively ground, and when the pressure range is 400N-600N, the pin grinding efficiency and the pin grinding effect can be ensured.
The invention also discloses a device for repairing the optical fiber perform, which comprises:
a base platform;
the rolling support mechanisms are arranged on the base platform and are used for supporting the optical fiber perform and enabling the optical fiber perform to rotate along the axis direction of the rolling support mechanisms;
the pin grinding mechanism is arranged on the base platform and used for repairing the defect area of the optical fiber perform;
the grind round pin mechanism includes:
the base frame is in sliding fit with the base platform, and a locking structure is arranged between the base frame and the base platform;
the moving frame is in sliding fit with the base frame;
the reciprocating cylinder is fixed on the base frame, and a piston rod of the reciprocating cylinder is fixed with the moving frame and used for driving the moving frame to move in a reciprocating manner;
and the pin grinding cylinder is installed on the moving frame, a pin grinding sheet is installed on a piston rod of the pin grinding cylinder, and the pin grinding cylinder is used for driving the pin grinding sheet to abut against or separate from the optical fiber perform.
The rolling support mechanism can support the optical fiber perform rod and enable the optical fiber perform rod to rotate along the axis direction of the rolling support mechanism; the base frame can move, can be quickly positioned in a defect area and is fixed through the locking structure; when a piston rod of the pin grinding cylinder extends out, the pin grinding sheet is abutted against the optical fiber preform, and the moving frame and the pin grinding cylinder can move in a reciprocating manner under the action of the reciprocating cylinder to process a defect area; because the optical fiber perform rod can rotate along the axis direction of the optical fiber perform rod, when the moving frame and the pin grinding cylinder move in a reciprocating way, the pin grinding sheet can repair the defect area in the circumferential direction of the optical fiber perform rod by rotating the optical fiber perform rod; this device can control the pressure that the round pin piece was applyed on optical fiber perform through the atmospheric pressure of control round pin cylinder to can prevent to lead to the too deep of grinding unsmooth scar because of pressure is too big.
Optionally, a first linear guide rail is arranged on the base platform, a first sliding block matched with the first linear guide rail is arranged on the base frame, the locking structure is a butterfly screw, and the butterfly screw is mounted on the base frame and used for being matched with and positioned on the base platform.
Optionally, each rolling support mechanism includes:
a support frame;
two gyro wheels, each gyro wheel all rotates and installs on the support frame, and the lateral wall of two gyro wheels sets up relatively for support simultaneously and optical fiber perform's lateral wall and lean on.
The rolling support mechanism is simple and reliable in structural form, and can limit the transverse movement of the optical fiber perform and ensure that the optical fiber perform can rotate along the axis direction of the optical fiber perform.
Optionally, at least one rolling support mechanism is slidably engaged with the base platform.
Optionally, one of the rolling support mechanisms is fixed on the base frame, and the grinding pin cylinder is located right above the rolling support mechanism.
One of them roll supporting mechanism and fix on the bed frame, this kind of structural style makes to grind round pin cylinder during operation, and optical fiber perform's atress is better, prevents effectively that optical fiber perform pressurized bending, can guarantee to grind round pin effect.
Optionally, a second linear guide rail is arranged on the base frame, a second sliding block matched with the second linear guide rail is arranged on the moving frame, and the pin grinding mechanism further comprises a travel switch for controlling the travel of the reciprocating cylinder.
The stroke of the reciprocating cylinder can be controlled through the stroke switch, so that the pin grinding sheet only reciprocates at the defect area, and the pin grinding efficiency can be effectively improved.
The invention has the beneficial effects that: the repairing method can control the pressure applied on the optical fiber preform by the grinding pin sheet by controlling the air pressure of the grinding pin cylinder, thereby preventing the concave-convex scars from being ground too deeply due to too large pressure; the reciprocating cylinder drives the grinding pin cylinder to reciprocate along the axis direction of the optical fiber perform, and compared with a manual handheld grinding machine, the manual handheld grinding machine can reduce the labor intensity of workers.
Description of the drawings:
FIG. 1 is a flow chart of a method for repairing an optical fiber preform according to the present invention;
FIG. 2 is a schematic view showing the construction of a repair apparatus for an optical fiber preform according to the present invention;
FIG. 3 is a schematic structural view of the pin grinding mechanism and the first rolling support mechanism;
fig. 4 is a schematic structural view of the second rolling support mechanism;
fig. 5 is a schematic view of the position of the prosthetic device.
The figures are numbered:
1. the optical fiber module comprises a base platform, 2, an optical fiber perform rod, 3, a first rolling supporting mechanism, 4, a second rolling supporting mechanism, 5, a pin grinding mechanism, 6, a square steel support, 7, a flat plate, 8, a first linear guide rail, 9, a first sliding block, 10, a butterfly screw, 11, a reciprocating cylinder, 12, a second linear guide rail, 13, a base frame, 14, a second sliding block, 15, a moving frame, 16, a pin grinding sheet, 17, a pin grinding cylinder, 18, a roller, 19, a supporting frame, 20, a third sliding block, 21 and a supporting frame substrate.
The specific implementation mode is as follows:
the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a method for repairing an optical fiber preform includes the steps of:
1) putting the optical fiber preform needing to be repaired into a base platform;
2) controlling a pin grinding cylinder to press downwards to enable a pin grinding sheet arranged on a piston rod of the pin grinding cylinder to abut against the optical fiber perform; the pressure of the pin grinding sheet applied to the optical fiber preform is in a preset pressure range by controlling the air pressure of the pin grinding cylinder;
3) the pin grinding cylinder is driven by the reciprocating cylinder to reciprocate along the axis direction of the optical fiber perform, and the pin grinding sheet repairs the defective area of the optical fiber perform;
4) and polishing or acid etching the optical fiber preform with the repaired grinding pin.
The repairing method can control the pressure applied on the optical fiber preform by the grinding pin sheet by controlling the air pressure of the grinding pin cylinder, thereby preventing the concave-convex scars from being ground too deeply due to too large pressure; the reciprocating cylinder drives the grinding pin cylinder to reciprocate along the axis direction of the optical fiber perform, and compared with a manual handheld grinding machine, the manual handheld grinding machine can reduce the labor intensity of workers.
When the repairing method is practically used, the grinding pin sheets with corresponding meshes can be selected according to the depth of a defect area, the grinding pin is abandoned at the depth of more than 3mm generally, the optical fiber preform is scrapped, the grinding pin sheets with 100 meshes are firstly selected and then the grinding pin sheets with 1000 meshes are selected at the depth of 1 mm-3 mm, and when the depth of the concave-convex mark is less than 1mm, the grinding pin sheets with 1000 meshes are directly used for grinding the pin.
In this embodiment, in the step 4), when the optical fiber preform is processed by polishing, the temperature is controlled to 1600 ℃ to 2000 ℃, and the preferred temperature is 1800 ℃; when the optical fiber perform is processed in an acid etching mode, the method comprises the following specific steps: and (3) putting the optical fiber preform into hydrofluoric acid with the volume percentage of 20-30%, and standing for 2-3 hours, wherein the preferred volume percentage of the hydrofluoric acid is 25%.
And 3) after the defective area is repaired by the pin grinding sheet, the surface roughness of the defective area of the optical fiber preform is about 10um as much as the roughness of the rest part of the optical fiber preform. The surface roughness of the optical fiber perform rod reaches about 1um through polishing or acid etching treatment so as to meet the requirement of optical fiber drawing.
In this embodiment, the base platform is provided with at least two sets of rolling support mechanisms, the optical fiber perform is arranged on the rolling support mechanisms, and the optical fiber perform can rotate around the axis of the optical fiber perform.
In this embodiment, in step 3), the reciprocating cylinder drives the pin grinding cylinder to reciprocate, and the pin grinding sheet repairs the defective area in the circumferential direction of the optical fiber preform by rotating the optical fiber preform.
During the actual use, can drive optical fiber perform through corresponding equipment and rotate around self axis on rolling supporting mechanism, also can rotate optical fiber perform through artifical mode.
In this embodiment, the predetermined pressure range in step 2) is 400N to 600N. When the pressure is too small, the pin grinding effect is poor, when the pressure is too large, the pin is easy to be excessively ground, and when the pressure range is 400N-600N, the pin grinding efficiency and the pin grinding effect can be ensured.
As shown in fig. 2 and 3, this embodiment also discloses a repair device for an optical fiber preform for implementing the repair method, which includes:
a base platform 1;
the rolling support mechanisms are arranged on the base platform 1 and are used for supporting the optical fiber perform 2 and enabling the optical fiber perform to rotate along the axis direction of the rolling support mechanisms;
the pin grinding mechanism 5 is arranged on the base platform 1 and used for repairing the defect area of the optical fiber perform 2;
the pin grinding mechanism 5 includes:
the base frame 13 is in sliding fit with the base platform 1, and a locking structure is arranged between the base frame 13 and the base platform;
a movable frame 15 which is in sliding fit with the base frame 13;
the reciprocating cylinder 11 is fixed on the base frame 13, and a piston rod of the reciprocating cylinder 11 is fixed with the moving frame 15 and used for driving the moving frame 15 to move in a reciprocating manner;
grind round pin cylinder 17, install on removing the frame, and grind and install on the piston rod of round pin cylinder and grind round pin piece 16, grind round pin cylinder 17 and be used for driving and grind round pin piece 16 and optical fiber perform and lean on or separate.
The rolling support mechanism can support the optical fiber perform rod and enable the optical fiber perform rod to rotate along the axis direction of the rolling support mechanism; the base frame can move, can be quickly positioned in a defect area and is fixed through the locking structure; when a piston rod of the pin grinding cylinder extends out, the pin grinding sheet is abutted against the optical fiber preform, and the moving frame and the pin grinding cylinder can move in a reciprocating manner under the action of the reciprocating cylinder to process a defect area; because the optical fiber perform rod can rotate along the axis direction of the optical fiber perform rod, when the moving frame and the pin grinding cylinder move in a reciprocating way, the pin grinding sheet can repair the defect area in the circumferential direction of the optical fiber perform rod by rotating the optical fiber perform rod; this device can control the pressure that the round pin piece was applyed on optical fiber perform through the atmospheric pressure of control round pin cylinder to can prevent to lead to the too deep of grinding unsmooth scar because of pressure is too big.
As shown in fig. 2 and 3, in this embodiment, the base platform 1 includes a square steel support 6 and a flat plate 7, two first linear guide rails 8 arranged in parallel are disposed on the flat plate 7, a first slider 9 engaged with the first linear guide rails is disposed on the base frame 13, the locking structure is a thumb screw 10, and the thumb screw 10 is mounted on the base frame 13 and is used for being engaged with and positioned on the flat plate 7 of the base platform 1.
The base platform 1 of the embodiment has the characteristics of high rigidity strength, low mass, high precision of the linear guide rail and the like.
As shown in fig. 2, 3 and 4, in the present embodiment, the two rolling support mechanisms are a first rolling support mechanism 3 and a second rolling support mechanism 4, respectively, and each rolling support mechanism includes:
a support frame 19;
two gyro wheels 18, each gyro wheel all rotates and installs on support frame 18, and the lateral wall of two gyro wheels sets up relatively for lean on with optical fiber perform's lateral wall simultaneously.
The rolling support mechanism is simple and reliable in structural form, and can limit the transverse movement of the optical fiber perform and ensure that the optical fiber perform can rotate along the axis direction of the optical fiber perform.
As shown in fig. 2 and 3, in the present embodiment, the first rolling support mechanism 3 is fixed on the base frame 13, and the grinding pin cylinder 17 is located right above the first rolling support mechanism 3. First roll supporting mechanism fixes on the bed frame, and this kind of structural style makes to grind round pin cylinder during operation, and optical fiber perform's atress is better, prevents effectively that optical fiber perform pressurized from crooked, can guarantee to grind round pin effect.
As shown in fig. 4, in the present embodiment, the second rolling support mechanism 4 further includes a support base plate 21 fixed to the support 19, third sliders 20 matched with the first linear guide 8 are further fixed to two sides of the support base plate 21, and the second rolling support mechanism 4 is slidably matched with the base platform 1 through the third sliders 20.
In this embodiment, the support frame is V-shaped in order to prevent interference between the support frame and the optical fiber preform. In this embodiment, the supporting frame and the roller are made of teflon.
In practical use, the first rolling support mechanism 3 may not be fixed on the base frame 13, the structure of the first rolling support mechanism 3 is completely the same as that of the second rolling support mechanism 4, and the two rolling support mechanisms are both slidably disposed on the base platform 1.
As shown in fig. 3, in the present embodiment, the base frame 13 is provided with a second linear guide 12, the moving frame 15 is provided with a second slider 14 matched with the second linear guide 12, and the pin grinding mechanism 5 further includes a stroke switch for controlling the stroke of the reciprocating cylinder. The stroke of the reciprocating cylinder can be controlled through the stroke switch, so that the pin grinding sheet only reciprocates at the defect area, and the pin grinding efficiency can be effectively improved.
The working process of the repair device for the optical fiber preform in the embodiment is as follows: roughly adjusting the positions of a pin grinding mechanism 5 and a second rolling support mechanism 4 according to the defective area of the optical fiber preform, placing the optical fiber preform on two rollers of a first rolling support mechanism 3 and a second rolling support mechanism 4 to enable the position of the defective area to be in the stroke of a reciprocating cylinder (as shown in figure 5, placing an area A-B to be repaired in the stroke of the reciprocating cylinder, adjusting a stroke switch on the reciprocating cylinder to enable the stroke length of the reciprocating cylinder to be just equal to the stroke length of the area A-B), screwing a butterfly screw to fix a base frame 13 and a base platform, installing a proper number of pin grinding sheets according to the depth of the defect, adjusting the air pressure of a pin grinding cylinder 17 to be generally 0.1MPa to enable the pressing force to reach about 500N, starting the reciprocating cylinder 11 to grind the area to be repaired until the ground pin part feels smooth, has no concave-convex mark. When the defective region is located in the circumferential direction of the optical fiber preform, the optical fiber preform may be rotated in a pin grinding process, thereby grinding the circumferential defect.
The above description is only for the preferred embodiment of the present invention and is 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 can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.
Claims (1)
1. A method for repairing an optical fiber preform, comprising the steps of:
1) putting the optical fiber preform needing to be repaired into a base platform;
2) controlling a pin grinding cylinder to press downwards to enable a pin grinding sheet arranged on a piston rod of the pin grinding cylinder to abut against the optical fiber perform; the pressure of the pin grinding sheet applied to the optical fiber preform is in a preset pressure range by controlling the air pressure of the pin grinding cylinder;
3) the pin grinding cylinder is driven by the reciprocating cylinder to reciprocate along the axis direction of the optical fiber perform, and the pin grinding sheet repairs the defective area of the optical fiber perform;
4) polishing or acid etching the optical fiber preform with the repaired grinding pin;
in the step 4), when the optical fiber perform is processed in a polishing mode, the temperature is controlled to be 1600-2000 ℃; when the optical fiber perform is processed in an acid etching mode, the method comprises the following specific steps: putting the optical fiber preform into hydrofluoric acid with the volume percentage of 20-30%, and standing for 2-3 hours;
in the step 3), when the reciprocating cylinder drives the pin grinding cylinder to reciprocate, the pin grinding sheet repairs the defective area in the circumferential direction of the optical fiber perform by rotating the optical fiber perform;
the preset pressure range in the step 2) is 400N-600N;
the method for repairing the optical fiber perform is implemented by a device for repairing the optical fiber perform, and the device for repairing the optical fiber perform comprises the following steps:
a base platform;
the rolling support mechanisms are arranged on the base platform and are used for supporting the optical fiber perform and enabling the optical fiber perform to rotate along the axis direction of the rolling support mechanisms;
the pin grinding mechanism is arranged on the base platform and used for repairing the defect area of the optical fiber perform;
the grind round pin mechanism includes:
the base frame is in sliding fit with the base platform, and a locking structure is arranged between the base frame and the base platform;
the moving frame is in sliding fit with the base frame;
the reciprocating cylinder is fixed on the base frame, and a piston rod of the reciprocating cylinder is fixed with the moving frame and used for driving the moving frame to move in a reciprocating manner;
and the pin grinding cylinder is installed on the moving frame, a pin grinding sheet is installed on a piston rod of the pin grinding cylinder, and the pin grinding cylinder is used for driving the pin grinding sheet to abut against or separate from the optical fiber perform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811068077.7A CN109133605B (en) | 2016-06-28 | 2016-06-28 | Method for repairing optical fiber preform |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610517526.6A CN106181613B (en) | 2016-06-28 | 2016-06-28 | The prosthetic device of preform |
| CN201811068077.7A CN109133605B (en) | 2016-06-28 | 2016-06-28 | Method for repairing optical fiber preform |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610517526.6A Division CN106181613B (en) | 2016-06-28 | 2016-06-28 | The prosthetic device of preform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109133605A CN109133605A (en) | 2019-01-04 |
| CN109133605B true CN109133605B (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811069724.6A Withdrawn CN109176189A (en) | 2016-06-28 | 2016-06-28 | The prosthetic device of preform |
| CN201811069694.9A Active CN109176188B (en) | 2016-06-28 | 2016-06-28 | Optical fiber perform's prosthetic devices |
| CN201811068077.7A Active CN109133605B (en) | 2016-06-28 | 2016-06-28 | Method for repairing optical fiber preform |
| CN201610517526.6A Active CN106181613B (en) | 2016-06-28 | 2016-06-28 | The prosthetic device of preform |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811069724.6A Withdrawn CN109176189A (en) | 2016-06-28 | 2016-06-28 | The prosthetic device of preform |
| CN201811069694.9A Active CN109176188B (en) | 2016-06-28 | 2016-06-28 | Optical fiber perform's prosthetic devices |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610517526.6A Active CN106181613B (en) | 2016-06-28 | 2016-06-28 | The prosthetic device of preform |
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| CN (4) | CN109176189A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799431B (en) * | 2017-05-04 | 2021-03-02 | 中天科技精密材料有限公司 | Prefabricated rod transmission structure and transmission method |
| CN107520719A (en) * | 2017-09-08 | 2017-12-29 | 练淑荣 | A kind of mao bamboon ring sander |
| CN107804967B (en) * | 2017-10-27 | 2021-03-23 | 四川和泰光纤有限公司 | Intelligent optical fiber drawing machine with scrap collecting function |
| CN108101354B (en) * | 2017-12-29 | 2023-11-03 | 通鼎互联信息股份有限公司 | Automatic adjusting device and adjusting method for straightness of core rod of optical fiber preform |
| CN110981182B (en) * | 2019-12-11 | 2023-05-05 | 江苏通鼎光棒有限公司 | Optical fiber preform pickling equipment and pickling method thereof |
| CN111438570A (en) * | 2020-04-02 | 2020-07-24 | 马闪 | Precision processing method for sintered and molded metal powder metallurgy product |
| CN112792700B (en) * | 2021-01-04 | 2022-08-09 | 中车青岛四方机车车辆股份有限公司 | Frock is restoreed to anti side roll torsion bar rod end |
| CN114523413B (en) * | 2022-01-28 | 2023-11-03 | 华为技术有限公司 | Optical fiber grinding device |
| CN116038436B (en) * | 2022-12-22 | 2023-12-01 | 中建材光子科技有限公司 | Low-roughness preparation method of fiber core glass rod |
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| DE19513862C2 (en) * | 1995-04-12 | 1997-12-18 | Alcatel Kabel Ag | Method and device for fire polishing an elongated glass body |
| JP2002301643A (en) * | 2001-04-06 | 2002-10-15 | Asahi Glass Co Ltd | Polishing device for glass conveying roller |
| US7226340B2 (en) * | 2004-03-05 | 2007-06-05 | Alfred H. Schutte Gmbh & Co. Kg | Grinding machine |
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| CN103481138B (en) * | 2013-09-16 | 2016-07-06 | 江苏阳明船舶装备制造技术有限公司 | A kind of machine for grinding inside and outside of pipes |
| CN203668233U (en) * | 2013-12-30 | 2014-06-25 | 浙江富通光纤技术有限公司 | Lifting and turn-over device for large-scale optical fiber preform rods |
| CN204019289U (en) * | 2014-07-18 | 2014-12-17 | 河北建设集团千秋管业有限公司 | A kind of Prestressed concrete cylinder pipe hold/socket ring automatic sander |
| CN105415175A (en) * | 2014-09-04 | 2016-03-23 | 青岛淄柴博洋柴油机股份有限公司 | Follow-up center frame for crankshaft grinding machine |
| CN204162598U (en) * | 2014-11-04 | 2015-02-18 | 江苏亨通光电股份有限公司 | The polissoir of plug, plug and preform |
| CN204736068U (en) * | 2015-05-27 | 2015-11-04 | 福建鼎信设备制造有限公司 | Automatic burnishing device in barrel surface that barrel part was used |
| CN204725277U (en) * | 2015-06-16 | 2015-10-28 | 吕云 | A kind of flame curved surface automatic sander |
| CN204711812U (en) * | 2015-06-23 | 2015-10-21 | 常州市环华机械有限公司 | Plug grinding machine |
| CN105081903A (en) * | 2015-09-06 | 2015-11-25 | 东莞市莞智成机器人技术有限公司 | Robot grinding system for outer surface of cylinder with boss |
-
2016
- 2016-06-28 CN CN201811069724.6A patent/CN109176189A/en not_active Withdrawn
- 2016-06-28 CN CN201811069694.9A patent/CN109176188B/en active Active
- 2016-06-28 CN CN201811068077.7A patent/CN109133605B/en active Active
- 2016-06-28 CN CN201610517526.6A patent/CN106181613B/en active Active
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| CN109176189A (en) | 2019-01-11 |
| CN109133605A (en) | 2019-01-04 |
| CN109176188A (en) | 2019-01-11 |
| CN106181613B (en) | 2018-11-13 |
| CN109176188B (en) | 2020-01-17 |
| CN106181613A (en) | 2016-12-07 |
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