CN110066120B - Optical fiber preform pickling device and method - Google Patents
Optical fiber preform pickling device and method Download PDFInfo
- Publication number
- CN110066120B CN110066120B CN201810063517.3A CN201810063517A CN110066120B CN 110066120 B CN110066120 B CN 110066120B CN 201810063517 A CN201810063517 A CN 201810063517A CN 110066120 B CN110066120 B CN 110066120B
- Authority
- CN
- China
- Prior art keywords
- preform
- pickling
- tank
- protective cover
- soaking tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005554 pickling Methods 0.000 title claims abstract description 49
- 239000013307 optical fiber Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000002791 soaking Methods 0.000 claims abstract description 35
- 230000001681 protective effect Effects 0.000 claims abstract description 25
- 239000002253 acid Substances 0.000 claims description 23
- 239000003513 alkali Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000010926 purge Methods 0.000 claims description 11
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000007664 blowing Methods 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 1
- 238000005406 washing Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007380 fibre production Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/012—Manufacture of preforms for drawing fibres or filaments
-
- 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
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0075—Cleaning of glass
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses an optical fiber preform pickling device and method. The invention aims to provide a pickling device which is simple in structure, low in cost and easy to operate, and is used for pickling an optical fiber preform. The pickling device comprises a soaking tank, a protective cover, a hanging rod system and a control system, wherein the protective cover is arranged above the soaking tank, holes through which a prefabricated rod can pass are formed in the protective cover, the hanging rod system comprises a telescopic device, the prefabricated rod connected to the hanging rod system can enter the soaking tank through the holes in the protective cover, and the control system is used for controlling the hanging rod system to work. In addition, a method for pickling the optical fiber preform by using the pickling device is also provided.
Description
Technical Field
The invention relates to the technical field of communication cable equipment, in particular to an optical fiber perform pickling device and method.
Background
The quartz preform is a core raw material for optical fiber production, the quality of an optical fiber product is directly affected, and defects such as contamination and bubbles exist on the surface of the preform in the preform processing process in the optical fiber manufacturing industry, so that before normal production, an optical fiber preform workpiece needs to be subjected to a certain pickling process, and the surface of the optical fiber preform workpiece is cleaned by strong acid and strong alkali, so that the guarantee is provided for optical fiber production.
At present, optical fiber perform pickling equipment is mainly divided into a vertical type pickling equipment and a horizontal type pickling equipment, and is taken as an example, a pipe groove capable of being clamped is generally formed in a pickling wall body, an optical fiber perform positioning clamping groove is formed in the bottom of the pipe groove and used for fixing the bottom of an optical fiber perform and preventing the optical fiber perform from inclining to be in contact with the inner wall of the pipe groove, obviously, the positioning structure of the optical fiber perform is required to be very high, in addition, a plurality of clamping devices are generally required to be arranged on the outer wall of the pipe groove, the pipe groove is prevented from being bent, the structure design of the equipment is complex, the whole technological process of the equipment is complex, the specification and the size of the preform are limited, and in addition, potential safety hazards and the like exist in the process of assembling and taking the preform. Therefore, a pickling device capable of improving the working efficiency and simple in structure and a corresponding pickling method are urgently needed at present.
Disclosure of Invention
In order to solve the problems in the prior art, the technical scheme of the invention provides an optical fiber preform pickling device and an optical fiber preform pickling method. The technical scheme is as follows:
in a first aspect, an optical fiber preform pickling device is provided, the pickling device includes a soaking tank, a protective cover, a hanging rod system and a control system, the protective cover is arranged above the soaking tank, a hole capable of allowing a preform to pass through is formed in the protective cover, the hanging rod system comprises a telescopic device, the telescopic device enables the preform connected to the hanging rod system to enter the soaking tank through the hole in the protective cover, and the control system is used for controlling the hanging rod system to work.
Further, the soaking tank is installed below the ground.
Further, a purging device and an exhaust device are arranged in the protective cover; preferably, the purge device is mounted on the shield.
Furthermore, the protective cover is supported by the metal frame, the metal frame is wrapped by corrosion-resistant plastic, and the rest part of the protective cover is made of transparent corrosion-resistant plastic.
Further, the control system comprises an operation interface, an electric control system and the like, and one-key operation is adopted to control the operation of the hanging rod system.
Further, the soaking tank is composed of a plurality of acid tanks, alkali tanks and pure water tanks, and the acid tanks, the alkali tanks and the pure water tanks are respectively arranged in one-to-one correspondence with holes in the protective cover.
Further, the plurality of acid tanks, the alkali tank and the pure water tank are respectively arranged in parallel.
Further, the hanging rod system further comprises a cross beam, a track and a rotating motor, wherein the cross beam can move along the track, and the rotating motor is used for driving the prefabricated rod on the hanging rod system to rotate.
Further, the cross beam is provided with a plurality of connecting devices for connecting the prefabricated bars.
Furthermore, the preform is made of quartz.
A second aspect provides an optical fiber preform pickling method, based on the first aspect, comprising the steps of: s1, hoisting a prefabricated rod through a hoisting rod system, moving the prefabricated rod to the position above a soaking tank through a control system, and downwards moving the prefabricated rod into the soaking tank by utilizing a telescopic device in the hoisting rod system for pickling; s2, after pickling, the prefabricated rod is moved to a designated position through a hanging rod system, and then the rod is unloaded.
Further, in the step S1, the preform is moved to the upper portion of the acid tank in the soaking tank by the control system, and then moved down to the acid tank by the telescopic device to perform cleaning, after reaching the set time, the preform is lifted to the designated position and then stopped, and then moved to the alkaline tank and the pure water tank to perform cleaning in the corresponding process by the control system driving.
Further, in the process of lifting the preform each time, the surface of the preform is purged by the purge device.
Further, when the prefabricated rod is in the soaking tank, the motor connected with each prefabricated rod in the hanging rod system starts to rotate, so that the prefabricated rod can rotate in the soaking tank, and when the preset time is reached, the motor stops rotating, and the prefabricated rod is lifted.
Compared with the prior art, the technical scheme of the invention has at least the following beneficial effects:
(1) Compared with the traditional preform pickling equipment, the control system is used for integrally controlling the whole equipment, so that the flow is simplified, and the safety in the use process is improved.
(2) The structure of the whole pickling equipment is simplified, the operability is improved, the pickling operation time is greatly shortened, and the pickling requirements of the prefabricated bars with various specifications and sizes can be met.
(3) The cleaning position and mode of the preform can be freely selected, and the cleaning position and mode of the preform can be 100% covered.
(4) Compared with the traditional manipulator for pickling the prefabricated rod, the hoisting system has the technical effects of rapidness, convenience and safety.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an optical fiber preform acid cleaning apparatus according to an embodiment of the present invention;
wherein: 1-soaking tank, 2-protective cover, 3-hanging rod system, 4-control system and 5-optical fiber preform.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, an operation schematic diagram of an optical fiber preform pickling apparatus according to an embodiment of the present invention specifically includes the following components: a soaking tank 1 for finishing pickling of the optical fiber preform 5 by a pickling method; a protective cover 2 installed above the soaking tank 1 for preventing the optical fiber preform 5 from being splashed out of strong acid, strong alkali, etc. during the pickling process; the hanging rod system 3 is used for connecting the optical fiber preformed rod 5 and controlling the optical fiber preformed rod 5 to finish an acid washing process; and the control system 4 is used for controlling the operation of the hanging rod system 3.
In the embodiment of the invention, the hanging rod system 3 comprises a cross beam, a track, a rotating motor and a telescopic device, wherein the cross beam is provided with 3 connecting devices for connecting the optical fiber preform 5, the cross beam can move back and forth along the track, each connecting device is also connected with the telescopic device and the rotating motor, the telescopic device is used for completing the up-and-down lifting process of the optical fiber preform 5, and the rotating motor is used for controlling the rotation of the optical fiber preform 5 in a soaking tank, so that the pickling effect can be fully realized.
It should be noted that, the soaking tank in the embodiment of the invention is installed below the ground by adopting a PTFE material with strong acid and alkali resistance, and comprises 3 acid tanks, 3 alkali tanks and 3 pure water tanks, wherein the acid tanks, the alkali tanks and the pure water tanks are arranged in parallel at intervals, the acid tanks are arranged in a first row, the alkali tanks are arranged in a second row, the pure water tanks are arranged in a third row, and preferably, the positions of the acid tanks and the alkali tanks can be interchanged; the protective cover 2 is supported by a metal frame, the metal frame is wrapped by corrosion-resistant plastic, the areas of the other surfaces are made of transparent corrosion-resistant plastic, the protective cover is arranged above the soaking tank, a purging device and an exhaust device are arranged in the protective cover, and the purging device and the exhaust device are preferably arranged on the protective cover; in addition, the control system in the embodiment of the invention can be preferably a control cabinet, and the prefabricated rod is made of quartz.
When the optical fiber preform 5 is in operation, the optical fiber preform 5 is hoisted by the hoisting rod system 3, an operator starts a one-key rod washing mode through the control system 4 after hoisting is completed, the preform 5 moves to the position right above the acid tank of the soaking tank 1 at a constant speed through the hoisting rod system 3 and is accurately positioned, after the specified position is reached, the preform 5 starts to move downwards through a telescopic device on the hoisting rod system 3, pickling is started after the preform 5 moves downwards to the specified position of the acid tank of the soaking tank 1, and a rotating motor connected with each preform 5 on the hoisting rod system 3 starts to start when a pickling process starts, and the preform 5 starts to rotate in the acid tank of the soaking tank 1; after the pickling process reaches the set time, the rotating motor on the hanging rod system 3 stops rotating, the prefabricated rod 5 starts to slowly lift up, the purging device in the protective cover 2 starts to start in the lifting process, the acid liquor on the surface of the prefabricated rod 5 is purged completely, the prefabricated rod 5 stops after being lifted up to the designated position, then the prefabricated rod is continuously moved forward to the position above the alkaline tank of the soaking tank 1 through the hanging rod system 3, alkaline washing and water washing are sequentially carried out according to the pickling mode, after water washing is completed, the prefabricated rod 5 is moved to the designated position through the 3 hanging rod system, and then the rod is unloaded to complete the process.
In a preferred embodiment of the invention, the purging means is restarted when the preform is lifted off the soaking tank, more preferably, it is stopped after it is lifted off the soaking tank, and the purging means is restarted, wherein the purging time is set and the lifting is continued when the purging means is stopped.
It should be noted that: in the working process of the pickling equipment provided by the above embodiments, only the division of the working modes of the above components is used for illustration, and in practical application, the above embodiments can be reasonably combined or independently completed according to the needs, so as to complete all or part of the functions described above.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The optical fiber preform pickling device is characterized by comprising a soaking tank, a protective cover, a hanging rod system and a control system, wherein the protective cover is arranged above the soaking tank, holes through which a preform can pass are formed in the protective cover, the hanging rod system comprises a telescopic device, the telescopic device enables the preform connected to the hanging rod system to enter the soaking tank through the holes in the protective cover, and the control system is used for controlling the hanging rod system to work;
the hanging rod system further comprises a cross beam, a track and a rotating motor, wherein the cross beam is provided with a connecting device for connecting the prefabricated rods, the cross beam can move back and forth along the track, each connecting device is connected with a telescopic device and the rotating motor, the telescopic devices are used for completing the up-and-down lifting process of the prefabricated rods, and the rotating motor drives the prefabricated rods to rotate;
the blowing device and the exhaust device are arranged in the protective cover, the blowing device in the protective cover starts to start in the lifting process of the preform, the liquid on the surface of the preform is blown clean, and the preform stops after being lifted to a specified position.
2. Pickling device according to claim 1, characterized in that the soaking tank is installed below ground.
3. The pickling device according to claim 1, wherein the soaking tank is composed of a plurality of acid tanks, alkali tanks and pure water tanks, and the acid tanks, the alkali tanks and the pure water tanks are respectively arranged in one-to-one correspondence with holes in the protective cover.
4. A pickling apparatus according to claim 3, wherein the plurality of acid tanks, the alkali tank and the pure water tank are arranged in parallel.
5. A pickling method using the pickling apparatus according to any one of claims 1 to 4, comprising the steps of: s1, hoisting a prefabricated rod through a hoisting rod system, moving the prefabricated rod to the position above a soaking tank through a control system, and downwards moving the prefabricated rod into the soaking tank by utilizing a telescopic device in the hoisting rod system for pickling; s2, after pickling, the prefabricated rod is moved to a designated position through a hanging rod system, and then the rod is unloaded.
6. The pickling method according to claim 5, wherein in the step S1, the preform is moved to above the acid tank in the soaking tank by the control system, is moved down to the acid tank by the telescopic device to perform cleaning, is stopped after a set time is reached, is lifted up to a specified position, is driven by the control system, and is moved to the alkaline tank and the pure water tank to perform cleaning in a corresponding process.
7. The pickling method according to claim 6, wherein a motor connected to each preform in the hanging rod system starts rotating when the preform is in the soaking tank, so that the preform can rotate in the soaking tank, and the motor stops rotating when a set time is reached, and the preform is lifted.
8. The pickling method according to any one of claims 6 to 7, wherein the surface of the preform is purged with a purge device during each lifting of the preform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810063517.3A CN110066120B (en) | 2018-01-23 | 2018-01-23 | Optical fiber preform pickling device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810063517.3A CN110066120B (en) | 2018-01-23 | 2018-01-23 | Optical fiber preform pickling device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110066120A CN110066120A (en) | 2019-07-30 |
| CN110066120B true CN110066120B (en) | 2024-03-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810063517.3A Active CN110066120B (en) | 2018-01-23 | 2018-01-23 | Optical fiber preform pickling device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110066120B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110937795B (en) * | 2019-12-13 | 2024-01-02 | 中天科技光纤有限公司 | Optical fiber preform surface cleaning device and cleaning method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05270863A (en) * | 1992-03-24 | 1993-10-19 | Furukawa Electric Co Ltd:The | Surface cleaning method for glass preform for optical fiber |
| JPH09195074A (en) * | 1996-01-10 | 1997-07-29 | Daido Steel Co Ltd | Pickling method and pickling device |
| JP2001141938A (en) * | 1999-11-11 | 2001-05-25 | Olympus Optical Co Ltd | Stationary type elution device for optical fiber bundle |
| KR20040054241A (en) * | 2002-12-18 | 2004-06-25 | 주식회사 포스코 | Device for improving slag floating in hot metal |
| CN204569729U (en) * | 2015-04-14 | 2015-08-19 | 武汉睿芯特种光纤有限责任公司 | A kind of preform pickler |
| CN206666389U (en) * | 2017-03-16 | 2017-11-24 | 江苏奥维信亨通光学科技有限公司 | A kind of three-dimensional acid dip pickle of preform |
| CN207877593U (en) * | 2018-01-23 | 2018-09-18 | 中天科技光纤有限公司 | A kind of preform acid dip pickle |
-
2018
- 2018-01-23 CN CN201810063517.3A patent/CN110066120B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05270863A (en) * | 1992-03-24 | 1993-10-19 | Furukawa Electric Co Ltd:The | Surface cleaning method for glass preform for optical fiber |
| JPH09195074A (en) * | 1996-01-10 | 1997-07-29 | Daido Steel Co Ltd | Pickling method and pickling device |
| JP2001141938A (en) * | 1999-11-11 | 2001-05-25 | Olympus Optical Co Ltd | Stationary type elution device for optical fiber bundle |
| KR20040054241A (en) * | 2002-12-18 | 2004-06-25 | 주식회사 포스코 | Device for improving slag floating in hot metal |
| CN204569729U (en) * | 2015-04-14 | 2015-08-19 | 武汉睿芯特种光纤有限责任公司 | A kind of preform pickler |
| CN206666389U (en) * | 2017-03-16 | 2017-11-24 | 江苏奥维信亨通光学科技有限公司 | A kind of three-dimensional acid dip pickle of preform |
| CN207877593U (en) * | 2018-01-23 | 2018-09-18 | 中天科技光纤有限公司 | A kind of preform acid dip pickle |
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| Publication number | Publication date |
|---|---|
| CN110066120A (en) | 2019-07-30 |
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