CN107902886B - Optical fiber perform pickling equipment - Google Patents
Optical fiber perform pickling equipment Download PDFInfo
- Publication number
- CN107902886B CN107902886B CN201711397262.6A CN201711397262A CN107902886B CN 107902886 B CN107902886 B CN 107902886B CN 201711397262 A CN201711397262 A CN 201711397262A CN 107902886 B CN107902886 B CN 107902886B
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- Prior art keywords
- pickling
- optical fiber
- fixing
- air
- cavity
- Prior art date
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- 238000005554 pickling Methods 0.000 title claims abstract description 89
- 239000013307 optical fiber Substances 0.000 title claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 24
- 239000002253 acid Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 239000012466 permeate Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000009423 ventilation Methods 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Sealing Devices (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
The invention discloses an optical fiber preform pickling device, which comprises a pickling chamber, a motor arranged at the top end outside the pickling chamber, a rotating shaft bracket arranged inside the pickling chamber, and further comprises: the air seal transmission mechanism comprises a transmission shaft, a fixing piece with an air inlet cavity and a switching piece with an air vent cavity, wherein an air inlet hole is formed in the fixing piece, the air inlet hole is communicated with the air inlet cavity, the fixing piece penetrates through a top plate part of the pickling chamber and is arranged in the pickling chamber, the switching piece is arranged inside the pickling chamber and is connected with a rotating shaft support, the switching piece is rotationally connected with the fixing piece, the air inlet cavity is communicated with the air vent cavity to form an air seal cavity, the transmission shaft part is arranged in the air seal cavity, one end of the transmission shaft part is connected with the switching piece, and the other end of the transmission shaft part penetrates through an output shaft of the fixing piece and the motor. The optical fiber preform pickling equipment improves the corrosion resistance of the optical fiber preform pickling equipment, can effectively improve the optical fiber preform pickling efficiency and reduces the optical fiber preform pickling cost.
Description
Technical Field
The invention relates to the technical field of optical fiber perform cleaning, in particular to an optical fiber perform pickling device.
Background
The quartz optical fiber preform is the core of the optical fiber manufacturing process, and in order to ensure the quality of the optical fiber preform, acid washing treatment is required before drawing and coating. The traditional optical fiber preform pickling equipment is a fixed pickling tank, and a large amount of pickling solution is required for pickling the optical fiber preform by adopting the pickling tank. In order to overcome the defects of the traditional pickling tank, the invention patent of Chinese patent number 201620651353.2 filed by the applicant of the present application discloses an optical fiber preform vertical pickling device, a rotating shaft bracket is vertically arranged in a pickling chamber, a driving motor is arranged at the top end of the outer part of the pickling chamber, the top end of the rotating shaft bracket is connected with an output shaft of the driving motor, the bottom end of the rotating shaft bracket is connected with a bearing rotating disc, the bottom end of the bearing rotating disc is connected with a plurality of bottom supporting rollers, when the optical fiber preform is pickled, the optical fiber preform is mounted on the rotating shaft support, the rotating shaft support is driven to rotate by a motor, the optical fiber preform is driven to rotate in the pickling cavity, so that the optical fiber preform is subjected to rotary pickling, the surface of the optical fiber preform is etched more uniformly, pickling liquid is greatly saved, in addition, the bearing rotating disc and the bottom supporting roller can provide larger bearing capacity, the bearing capacity is increased, and the large-size optical fiber preform can be pickled. However, the applicant found that the above-mentioned vertical pickling apparatus for optical fiber preforms has at least the following problems during use: because the pickling solution contains hydrofluoric acid, the permeability and the corrosiveness are very strong, even if the motor is arranged on the outer side of the pickling device and the mechanical sealing box is adopted for sealing, the output shaft of the motor cannot be prevented from being corroded, and the pickling efficiency and the pickling cost of the optical fiber preform are affected; in order to meet the requirement of transmission strength, a plastic transmission piece with high corrosion resistance cannot be adopted for torque transmission, so that the traditional optical fiber preform pickling equipment has the technical problems of poor corrosion resistance, low pickling efficiency and high pickling cost.
Disclosure of Invention
The invention aims to provide optical fiber preform pickling equipment so as to solve the technical problems of poor corrosion resistance, low pickling efficiency and high pickling cost of the traditional optical fiber preform pickling equipment.
To achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an optical fiber perform pickling equipment, includes the pickling room, installs at the motor on pickling room outside top and sets up at the inside rotation axis support of pickling room, still includes: the air seal transmission mechanism comprises a transmission shaft, a fixing piece with an air inlet cavity and a switching piece with an air vent cavity, wherein an air inlet hole is formed in the fixing piece, the air inlet hole is communicated with the air inlet cavity, the fixing piece penetrates through a top plate part of the pickling chamber and is arranged in the pickling chamber, the switching piece is arranged inside the pickling chamber and is connected with a rotating shaft support, the switching piece is rotationally connected with the fixing piece, the air inlet cavity is communicated with the air vent cavity to form an air seal cavity, the transmission shaft part is arranged in the air seal cavity, one end of the transmission shaft part is connected with the switching piece, and the other end of the transmission shaft part penetrates through an output shaft of the fixing piece and the motor.
The optical fiber preform pickling equipment comprises an air seal transmission mechanism, wherein the air seal transmission mechanism comprises a transmission shaft, a fixing piece and a switching piece, an air inlet hole is formed in the fixing piece, and an air inlet cavity of the fixing piece is communicated with an air inlet cavity of the switching piece to form an air seal cavity. The air seal transmission mechanism is arranged on the top plate of the pickling chamber through a fixing piece and is connected with the rotating shaft bracket through an adapter, the transmission shaft is respectively connected with an output shaft of the motor and the adapter, when the optical fiber preform pickling equipment works, the motor drives the transmission shaft to rotate, the transmission shaft drives the adapter to rotate, and then the rotating shaft bracket is driven to rotate along with the motor, so that the optical fiber preform arranged on the rotating shaft bracket is subjected to rotary pickling. Meanwhile, when the optical fiber preform pickling equipment operates, compressed air is introduced into the air sealing cavity through the air inlet hole, positive pressure is formed in the air sealing cavity, the pressure in the air sealing cavity is higher than the pressure outside the air sealing cavity, air sealing isolation is formed in the air sealing cavity, pickling solution cannot permeate into the air sealing cavity, and the transmission shaft is not corroded by the pickling solution, so that the transmission shaft and the motor are effectively protected. Therefore, compared with the traditional optical fiber preform pickling equipment, the optical fiber preform pickling equipment improves the corrosion resistance of the optical fiber preform pickling equipment, can effectively improve the optical fiber preform pickling efficiency and reduces the optical fiber preform pickling cost.
In one embodiment, the adapter comprises a rotary shell, a flange plate and a lower shell which are sequentially connected from top to bottom, the rotary shell is rotationally connected with the fixing piece, the flange plate is respectively connected with the transmission shaft and the rotary shaft support, the flange plate is provided with vent holes, and the inner cavity of the rotary shell is communicated with the inner cavity of the lower shell through the vent holes to form a ventilation cavity.
In one embodiment, the flange is splined to the drive shaft.
In one embodiment, the fixing member includes a fixing housing and a connecting member, and the fixing housing is connected to the top plate through the connecting member.
In one embodiment, the connecting member includes a first fixing ring, a flexible washer, a second fixing ring, a first fastener, and a second fastener, the flexible washer is disposed between the fixing housing and the top plate, the first fixing ring is connected with the flexible washer and the fixing housing through the first fastener, respectively, and the second fixing ring is connected with the flexible washer and the top plate through the second fastener, respectively.
In one embodiment, the air seal transmission mechanism further comprises a sealing ring, and the sealing ring is connected with the fixing piece in a sleeved mode at the joint of the fixing piece and the adapter piece.
In one embodiment, the gas seal transmission mechanism further comprises a bearing disposed between the fixing member and the adapter member.
In one embodiment, the air seal transmission mechanism further comprises a hose, one end of the hose is inserted into the air inlet hole, and the other end of the hose is connected with an air source.
In one embodiment, the drive shaft is made of stainless steel.
In one embodiment, the drive shaft is coupled to the output shaft of the motor via a coupling.
Drawings
FIG. 1 is a schematic diagram of an optical fiber preform acid cleaning apparatus according to one embodiment;
FIG. 2 is a partial sectional view of the optical fiber preform acid cleaning apparatus shown in FIG. 1;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: 10-acid washing chambers, 20-motors, 30-rotating shaft supports, 40-air seal transmission mechanisms and 50-couplings;
11-top plate, 41-transmission shaft, 42-fixing piece, 43-adapter piece, 44-bearing and 45-sealing ring;
421-air inlet hole, 422-fixed shell, 423-first fixed ring, 424-flexible gasket, 425-second fixed ring, 431-rotary shell, 432-flange, 433-lower shell;
4221-fixing plate.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1 to 3, an optical fiber preform pickling apparatus of an embodiment includes a pickling chamber 10, a pickling tank door (not shown) connected to the pickling chamber 10, a motor 20 installed at an outer top end of the pickling chamber 10, a rotation shaft support 30 provided in the pickling chamber 10, and an air seal transmission mechanism 40, the air seal transmission mechanism 40 including a transmission shaft 41, a fixing member 42 having an air intake chamber, and a switching member 43 having an air intake chamber, the fixing member 42 having an air intake hole 421 provided thereon, the air intake hole 421 communicating with the air intake chamber, the fixing member 42 being provided in the pickling chamber 10 through a top plate 11 portion of the pickling chamber 10, the switching member 43 being provided in the pickling chamber 10 and connected to the rotation shaft support 30, and the switching member 43 being rotatably connected to the fixing member 42, the air intake chamber communicating with the air intake chamber to form an air seal chamber, the transmission shaft 41 being provided in the air seal chamber, one end of which is connected to the switching member 43, and the other end of which is connected to an output shaft of the motor 20 through the fixing member 42.
According to the optical fiber preform pickling equipment, the air seal transmission mechanism 40 is arranged between the motor 20 and the rotating shaft support 30, the air seal transmission mechanism 40 transmits the output torque of the motor 20 to the rotating shaft support 30, and positive-pressure air seal is formed in the air seal cavity in the operation process of the pickling equipment, so that pickling solution cannot permeate into the air seal cavity, and the internal structure is protected from corrosion.
Specifically, the adaptor 43 is connected with the fixing piece 42 in a sleeved mode, the adaptor 43 is connected with the transmission shaft 41, when the optical fiber preform pickling device works, the motor 20 drives the transmission shaft 41 to rotate, the transmission shaft 41 drives the adaptor 43 to rotate, and then the rotating shaft bracket 30 is driven to rotate along with the motor 20, so that optical fiber preforms mounted on the rotating shaft bracket 30 are subjected to rotary pickling. Meanwhile, when the optical fiber preform pickling equipment operates, compressed air is introduced into the air seal cavity through the air inlet hole 421, positive pressure is formed in the air seal cavity, the pressure in the air seal cavity is higher than the pressure outside the air seal cavity, air seal isolation is formed in the air seal cavity, pickling solution cannot permeate into the air seal cavity, the transmission shaft 41 is not corroded by the pickling solution, and the transmission shaft 41 and the motor 20 are effectively protected.
In one embodiment, the fixing member 42 includes a fixing housing 422 and a connecting member, the fixing housing 422 is provided with an air inlet hole 421, and the fixing housing 422 is connected to the top plate 11 through the connecting member. Further, in one embodiment, the connection member includes a first fixing ring 423, a flexible washer 424, a second fixing ring 425, a first fastener, and a second fastener, the flexible washer 424 being disposed between the fixing housing 422 and the top plate 11, the first fixing ring 423 being connected to the flexible washer 424 and the fixing housing 422, respectively, by the first fastener, and the second fixing ring 425 being connected to the flexible washer 424 and the top plate 11, respectively, by the second fastener.
Specifically, the fixed housing 422 is provided with a fixed plate 4221, and the fixed plate 4221 is integrally formed with the fixed housing 422. In this embodiment, the first fastening member and the second fastening member are fastening bolts, the fixing plate 4221 and the top plate 11 are provided with threaded holes, and the first fixing ring 423, the flexible gasket 424 and the second fixing ring 425 are provided with through holes, wherein the inner circumference side and the outer circumference side of the flexible gasket 424 are provided with through holes. The flexible washer 424 is provided between the fixed plate 4221 and the top plate 11, and the through hole on the inner circumferential side corresponds to the screw hole on the fixed plate 4221, and the through hole on the outer circumferential side corresponds to the screw hole on the top plate 11. The first fixing ring 423 is disposed at the other side opposite to the fixing plate 4221, and the through hole of the first fixing ring 423 corresponds to the through hole on the inner circumferential side of the flexible washer 424 and the threaded hole of the fixing plate 4221, and the first fastener passes through the through hole of the first fixing ring 423 and the through hole on the inner circumferential side of the flexible washer 424 to be locked with the threaded hole of the fixing plate 4221, locking the first fixing ring 423 and the flexible washer 424 to the fixing plate 4221; the second fixing ring 425 is provided at the other side opposite to the top plate 11, and the through hole on the second fixing ring 425 corresponds to the through hole on the outer circumferential side of the flexible washer 424 and the screw hole on the top plate 11, and the second fastener is passed through the through hole on the second fixing ring 425 and the through hole on the outer circumferential side of the flexible washer 424 to be locked with the screw hole on the top plate 11, locking the second fixing ring 425 and the flexible washer 424 to the top plate 11.
In this embodiment, the fixed housing 422 is fixedly mounted to the top plate 11 through the connecting piece, the connecting piece comprises a flexible gasket 424, the flexible gasket 424 is made of flexible materials such as rubber or silica gel, the flexible gasket 424 forms flexible connection between the fixed housing 422 and the top plate 11, the influence on the mounting of the fixing piece 42 caused by the deviation of the accuracy of the opening of the top plate 11 can be avoided through flexible deformation of the flexible gasket 424, and the installation of the air seal transmission mechanism 40 is facilitated.
In one embodiment, the adaptor 43 includes a rotary housing 431, a flange 432 and a lower housing 433 sequentially connected from top to bottom, the rotary housing 431 is rotationally connected with the fixing member 42, the flange 432 is respectively connected with the transmission shaft 41 and the rotary shaft bracket 30, a vent hole is formed on the flange 432, and an inner cavity of the rotary housing 431 is communicated with an inner cavity of the lower housing 433 through the vent hole to form a vent cavity.
Specifically, the rotary housing 431 is sleeved on the inner side of the fixed housing 422, and the flange 432 rotates along with the transmission shaft 41 to drive the rotary housing 431 and the rotary shaft bracket 30 to rotate, so as to realize torque transmission. The flange 432 is provided with a plurality of vent holes, so that the inner cavities of the rotary shell 431 and the lower shell 433 are communicated, compressed air can enter the inner cavity of the lower shell 433, positive pressure is formed between the lower shell 433 and the flange 432, pickling solution is prevented from penetrating, the number of the specific vent holes can be set arbitrarily according to actual needs, and the embodiment is not limited specifically.
Further, in one embodiment, the gas seal transmission mechanism 40 further includes a bearing 44, and the bearing 44 is disposed between the fixing member 42 and the adapter member 43. Specifically, a bearing 44 is provided between the rotary housing 431 and the fixed housing 422 to be connected to the rotary housing 431 for reducing friction loss and surface wear between the rotary housing 431 and the fixed housing 422, ensuring rotation stability of the adapter 43.
Further, in one embodiment, to ensure a stable connection, the flange 432 is splined to the drive shaft 41 to ensure mechanical strength of the drive structure. However, in other embodiments, the flange 432 and the driving shaft 41 may be connected by a single bond, a double bond, a pin, or the like, which is not limited in this embodiment.
In one embodiment, the air seal transmission mechanism 40 further includes a sealing ring 45, where the sealing ring 45 is connected to the fixing member 42 in a sleeved manner at the connection between the fixing member 42 and the adapter member 43. In this embodiment, the sealing ring 45 is disposed at the connection position between the fixing member 42 and the adapter member 43, so that gas leakage can be effectively avoided, and sealing performance can be improved. Specifically, the fixed housing 422 is provided with a mounting ring extending downward, a mounting groove for accommodating the sealing ring 45 is formed between the mounting ring and the rotary housing 431, and the sealing ring 45 is disposed in the mounting groove and connected with the mounting ring in a sleeved manner. In this embodiment, in order to ensure the installation stability of the sealing ring 45, a barb is further disposed at the end of the fixed housing 422, and correspondingly, a clamping groove is formed on the sealing ring 45, and the barb is connected with the clamping groove in a clamping manner, so that the sealing ring 45 is installed stably and reliably. Further, in other embodiments, a sealing ring is also disposed between the flange 432 and the rotary housing 431 and the lower housing 433, so as to further improve the air tightness of the air seal transmission mechanism 40.
In one embodiment, the air seal transmission mechanism 40 further comprises a hose, one end of which is inserted into the air inlet hole 421, and the other end of which is connected to an air source. Specifically, the air source can be an air compressor or a compressed air pipeline of the pickling system, and the air inlet pressure is 0.6-0.7 MPa.
In one embodiment, the drive shaft 41 is coupled to the output shaft of the motor 20 via a coupling 50. Specifically, the transmission shaft 41 is made of stainless steel, so that transmission strength can be effectively ensured, and stable and reliable operation of the optical fiber preform pickling equipment is ensured.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The utility model provides an optical fiber perform pickling equipment, includes pickling room (10), installs motor (20) on pickling room (10) outside top and sets up rotation axis support (30) inside pickling room (10), its characterized in that still includes: the air seal transmission mechanism (40), the air seal transmission mechanism (40) comprises a transmission shaft (41), a fixing piece (42) with an air inlet cavity and a switching piece (43) with an air outlet cavity, wherein an air inlet hole (421) is formed in the fixing piece (42), the air inlet hole (421) is communicated with the air inlet cavity, the fixing piece (42) penetrates through a top plate (11) of the pickling chamber (10) to be arranged inside the pickling chamber (10), the switching piece (43) is arranged inside the pickling chamber (10) to be connected with the rotating shaft bracket (30), the switching piece (43) is in rotating connection with the fixing piece (42), the air inlet cavity is communicated with the air outlet cavity to form an air seal cavity, the transmission shaft (41) is partially arranged in the air seal cavity, one end of the transmission shaft (41) is connected with the switching piece (43), and the other end of the transmission shaft (42) penetrates through the fixing piece (42) to be connected with an output shaft of the motor (20).
The adapter piece (43) comprises a rotary shell (431), a flange plate (432) and a lower shell (433) which are sequentially connected from top to bottom, the rotary shell (431) is rotationally connected with the fixing piece (42), the flange plate (432) is respectively connected with the transmission shaft (41) and the rotary shaft bracket (30), the flange plate (432) is provided with an air vent, and an inner cavity of the rotary shell (431) is communicated with an inner cavity of the lower shell (433) through the air vent to form the air vent cavity;
the fixing piece (42) comprises a fixing shell (422) and a connecting piece, and the fixing shell (422) is connected with the top plate (11) through the connecting piece.
2. Optical fiber preform pickling apparatus according to claim 1, characterized in that the flange (432) is splined to the drive shaft (41).
3. The optical fiber preform acid cleaning apparatus according to claim 1, wherein the connecting member comprises a first fixing ring (423), a flexible washer (424), a second fixing ring (425), a first fastener and a second fastener, the flexible washer (424) is disposed between the fixing housing (422) and the top plate (11), the first fixing ring (423) is connected with the flexible washer (424) and the fixing housing (422) respectively through the first fastener, and the second fixing ring (425) is connected with the flexible washer (424) and the top plate (11) respectively through the second fastener.
4. The optical fiber preform pickling apparatus according to claim 1, wherein the gas seal transmission mechanism (40) further comprises a sealing ring (45), and the sealing ring (45) is connected with the fixing piece (42) in a sleeved mode at the connection position of the fixing piece (42) and the adapter piece (43).
5. The optical fiber preform pickling apparatus according to claim 1, characterized in that the gas seal transmission mechanism (40) further comprises a bearing (44), the bearing (44) being arranged between the fixing member (42) and the adapter member (43).
6. The optical fiber preform acid cleaning apparatus according to claim 1, wherein the gas seal transmission mechanism (40) further comprises a hose having one end inserted into the air inlet hole (421) and the other end connected to an air source.
7. Optical fiber preform pickling apparatus according to claim 1, characterized in that the transmission shaft (41) is made of stainless steel.
8. Optical fiber preform pickling apparatus according to claim 1, characterized in that the drive shaft (41) is connected to the output shaft of the motor (20) by means of a coupling (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711397262.6A CN107902886B (en) | 2017-12-21 | 2017-12-21 | Optical fiber perform pickling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711397262.6A CN107902886B (en) | 2017-12-21 | 2017-12-21 | Optical fiber perform pickling equipment |
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| Publication Number | Publication Date |
|---|---|
| CN107902886A CN107902886A (en) | 2018-04-13 |
| CN107902886B true CN107902886B (en) | 2024-04-16 |
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| CN201711397262.6A Active CN107902886B (en) | 2017-12-21 | 2017-12-21 | Optical fiber perform pickling equipment |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109775959A (en) * | 2019-02-18 | 2019-05-21 | 姚树飞 | A kind of dedicated charging system of basalt fibre production |
| CN114685040B (en) * | 2021-12-31 | 2023-02-03 | 长飞光纤光缆股份有限公司 | Pre-etching equipment and method for polarization-maintaining optical fiber preform |
| CN114355511B (en) * | 2022-01-14 | 2024-02-06 | 武汉锐科光纤激光技术股份有限公司 | Optical fiber etching device |
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| 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 |
| CN107021616A (en) * | 2017-05-31 | 2017-08-08 | 江苏富春江光电有限公司 | Small reducing prefabricated rods air sealer of optical-fiber wiredrawing furnace |
| CN207699450U (en) * | 2017-12-21 | 2018-08-07 | 上海塑洁环保工程设备有限公司 | Preform pickler |
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| CN107902886A (en) | 2018-04-13 |
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