CN218443377U - Optical fiber curing oven sealing mechanism - Google Patents
Optical fiber curing oven sealing mechanism Download PDFInfo
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- CN218443377U CN218443377U CN202222068144.3U CN202222068144U CN218443377U CN 218443377 U CN218443377 U CN 218443377U CN 202222068144 U CN202222068144 U CN 202222068144U CN 218443377 U CN218443377 U CN 218443377U
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- Prior art keywords
- curing oven
- optical fiber
- sealing mechanism
- quick
- shell
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- 238000007789 sealing Methods 0.000 title claims abstract description 47
- 239000013307 optical fiber Substances 0.000 title claims abstract description 45
- 230000007246 mechanism Effects 0.000 title claims abstract description 39
- 210000000554 iris Anatomy 0.000 claims description 23
- 239000000779 smoke Substances 0.000 claims description 10
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 5
- 239000003546 flue gas Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 210000004907 gland Anatomy 0.000 claims description 4
- 239000002912 waste gas Substances 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012681 fiber drawing Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
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- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
The utility model provides an optical fiber curing oven sealing mechanism, sets up between optical fiber curing oven and curing oven exhaust gas center tube, optical fiber curing oven sealing mechanism include with the shell that optical fiber curing oven is connected, the shell inside with the one end of curing oven exhaust gas center tube adopts labyrinth seal structure to link to each other, another port of curing oven exhaust gas center tube is equipped with the iris switch of adjustable air input. The utility model discloses sealed effect is strengthened, can solve because the curing oven pollution problem that leaks the material and lead to, and then saves adjustable billows simultaneously, solves the problem that adjustable billows cost is high, vulnerable.
Description
Technical Field
The utility model relates to an optical fiber curing oven, especially an optical fiber curing oven sealing mechanism belongs to optic fibre production facility technical field.
Background
In the process of optical fiber drawing, the optical fiber needs to be cured after being coated, a curing oven is arranged below a die holder, waste gas generated by curing needs to be collected and processed in a centralized manner, the upper end of a coating possibly enters the curing oven to pollute the curing oven under the condition that the die holder leaks, and the air inlet amount needs to be controlled to adjust the curing condition of the optical fiber during the waste gas collection process.
At present, the sealing mechanism of the existing optical fiber curing oven is directly fixed on the optical fiber curing oven by using screws, an O-shaped ring is arranged in the sealing mechanism, a central pipe is sleeved in the O-shaped ring to seal the O-shaped ring, and an adjustable diaphragm is arranged at the upper end of the sealing mechanism, and the air inlet amount is adjusted by the size of a diaphragm switch. Because the sealing mechanism of the existing optical fiber curing oven is in flange connection, the sealing mechanism is directly fixed on the optical fiber curing oven by screws or is connected by live screws, and because of the volatilization of coating, bolts are easy to cause adhesion and are not easy to disassemble. And the quartz central tube and the sealing mechanism are sealed by an O-shaped ring, and are sleeved from the top end during installation, so that time and labor are wasted during installation and disassembly, and if the quartz central tube and the sealing mechanism are not installed in place, paint is easy to leak from the top end, so that the pollution of a curing furnace is caused, and the optical fiber curing defect can be caused. Moreover, the adjustable diaphragm used for adjusting the air input is easy to damage and high in price due to the fact that the diaphragm is too precise and small in gap.
Disclosure of Invention
In order to overcome the above-mentioned not enough of prior art, the utility model provides an optic fibre curing oven sealing mechanism, this sealing mechanism's sealed effect is strengthened, can solve because the curing oven pollution problem that the hourglass material leads to, and then saves adjustable billows simultaneously, solves the problem that adjustable billows cost is high, fragile.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides an optical fiber curing oven sealing mechanism, sets up between optical fiber curing oven and curing oven exhaust gas center tube, optical fiber curing oven sealing mechanism include with the shell that optical fiber curing oven is connected, the shell inside with the one end of curing oven exhaust gas center tube adopts labyrinth seal structure to link to each other, another port of curing oven exhaust gas center tube is equipped with the iris switch of adjustable air input.
Optionally, the outer part of the housing is detachably connected with the optical fiber curing oven through a quick-change structure.
Optionally, the quick change structure is including setting up clamp base on the optical fiber curing oven, seting up quick-lock structure slot and setting on the clamp base are in quick-lock structure rotor on the shell, quick-lock structure rotor insert establish with quick-lock structure slot inslot and rotatory predetermined angle after-fixing.
Optionally, the predetermined angle is 90 °.
Optionally, the iris switch comprises two half irises, and the two half irises are fixed at the port of the smoke exhaust central pipe of the curing oven through an iris gland.
Optionally, the labyrinth seal structure includes an outer labyrinth piece arranged at the end of the flue gas exhaust central pipe of the curing furnace and an inner labyrinth piece arranged inside one end of the casing, and the outer labyrinth piece is connected with the inner labyrinth piece in a matching manner.
Optionally, the outer labyrinth and the inner labyrinth comprise an outer labyrinth ring and an inner labyrinth ring which are embedded together.
Optionally, the housing is further provided with an air seal assembly at an end facing away from the quick-change structure, and the air seal assembly is installed between the iris switch and the housing.
Optionally, the lateral part of the shell is further provided with an exhaust port, the exhaust port is communicated with a waste gas collecting pipe, and the circumferential part of the curing furnace flue gas discharging central pipe, which corresponds to the exhaust port, is provided with an air outlet.
Compared with the prior art, the sealing mechanism of the optical fiber curing oven improves the sealing effect, prolongs the cleaning period and avoids the pollution of leaked materials to the curing oven by arranging the labyrinth sealing structure; and the iris switch is used for replacing the adjustable diaphragm, so that the problems of high manufacturing cost and easiness in damage of the adjustable diaphragm are solved.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a top view of an embodiment of the present invention.
Fig. 2 is a bottom view of an embodiment of the present invention.
Fig. 3 isbase:Sub>A cross-sectional view atbase:Sub>A-base:Sub>A in fig. 2.
The reference numbers in the figures illustrate that:
10-sealing mechanism of optical fiber curing oven; 11-a housing; 111-labyrinth seal structure; 1111-outer labyrinth; 1112-an inner labyrinth; 112-a quick-change structure; 1121-clip base; 1122-quick-lock structure groove; 1123-quick-locking rotary plate; 113-a gas seal assembly; 114-an exhaust port; 115-center tube mounting holes;
20-smoke exhaust central pipe of the curing oven; 21-iris switch; 211-two halves of iris; 212-iris gland; 22-air outlet holes;
30-exhaust gas collection pipe.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution 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 obviously, the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 to 3 show the structural schematic diagram of an embodiment of a preferred embodiment of the present invention, an optical fiber curing oven sealing mechanism 10 in the figure is arranged between the optical fiber curing oven and the curing oven exhaust central tube 20, the optical fiber curing oven sealing mechanism 10 includes a housing 11 connected with the optical fiber curing oven, the housing 11 is inside and the one end of the curing oven exhaust central tube 20 adopts the labyrinth sealing structure 111 to connect, another port of the curing oven exhaust central tube 20 is equipped with the iris switch 21 of the adjustable air input.
The outer part of the smoke central pipe 20 of the curing oven is connected with the inner part of the shell 11 of the sealing mechanism through a labyrinth sealing structure 111, the labyrinth seal is in an existing sealing mode, and as long as the existing sealing structure of the mode can be selected, compared with flange connection and O-shaped ring sealing before improvement, the method simplifies installation, improves sealing effect, prolongs cleaning period and service cycle, avoids pollution of leaked materials to the curing oven, avoids equipment failure caused by the fact that coating enters the curing oven, and reduces maintenance frequency and cost. The embodiment also removes the adjustable diaphragm, and changes the iris switch 21 into the iris switch for adjusting the air inlet quantity, so that the adjustment of the air inlet quantity is simpler, and the problems of high manufacturing cost and easy damage of the adjustable diaphragm are solved.
As a further preferable embodiment of this embodiment, the exterior of the housing 11 is detachably connected to the optical fiber curing oven through a quick-change structure 112.
The sealing mechanism and the optical fiber curing furnace are made into a quick-release mechanism, so that the quick-release mechanism is simple to disassemble and assemble, the replacement time is shortened, the productivity is improved, and the problem that the screw and thread connection of the old mechanism is difficult to assemble and disassemble is solved.
In a further specific embodiment of this embodiment, the quick-change structure 112 includes a clamp base 1121 disposed on the optical fiber curing oven, a quick-lock structure groove 1122 formed on the clamp base 1121, and a quick-lock structure rotating piece 1123 disposed on the housing 11, and the quick-lock structure rotating piece 1123 is inserted into the quick-lock structure groove 1122 and is rotated by a predetermined angle to be fixed.
The old flange plate threaded connection and the pipe threaded live-screw connection are changed into the specific hoop groove type connection, namely the quick-locking structure groove 1122 and the quick-locking structure rotary sheet 1123 are matched and connected through the hoop base, and the quick-locking structure rotary sheet 1123 is inserted into the quick-locking structure groove 1122 and is rotated by a preset angle during installation, so that the quick-locking structure rotary sheet 1123 can be quickly fixed. Other quick-change structures capable of realizing quick disassembly and assembly can also be selected as alternatives.
Further preferably, the predetermined angle is 90 °.
When the sealing mechanism is installed, the sealing mechanism is only required to be inserted into a clamp base 1121 on the optical fiber curing oven and rotated by 90 degrees, specifically, a central pipe installation hole 115 is arranged inside the clamp base 1121 to install and replace a curing oven smoke exhaust central pipe 20, and when the sealing mechanism is disassembled and assembled, a central pipe is only required to be upwards supported and downwards put in place. Therefore, the installation and replacement time of the sealing mechanism is shortened, and the maintenance frequency caused by thread adhesion is reduced.
As a further specific optional implementation manner of the embodiment, the iris switch 21 comprises two half-type irises 211, and the two half-type irises 211 are fixed at the ports of the smoke central tube 20 of the curing oven through iris gland 212.
The two halves of the iris 211 are adopted to push the iris open or close in parallel when the air inflow is adjusted, so that the air inflow adjustment is simpler.
As a further specific implementation manner of this embodiment, the labyrinth sealing structure 111 includes an outer labyrinth 1111 disposed at the end of the flue gas central pipe 20 of the curing oven and an inner labyrinth 1112 disposed inside one end of the housing 11, and the outer labyrinth 1111 is connected with the inner labyrinth 1112 in a matching manner.
A further specific alternative is that outer labyrinth 1111 and inner labyrinth 1112 comprise an outer labyrinth ring and an inner labyrinth ring that are nested together.
As a further specific optional implementation manner of this embodiment, the housing 11 is further provided with a gas seal assembly 113 at an end facing away from the quick-change structure 112, and the gas seal assembly 113 is installed between the iris switch 21 and the housing 11.
The arrangement of the air seal assembly 113 can ensure the sealing performance of the central tube 20 for the smoke exhaust of the curing oven at the port, and prevent external air from entering the central tube to influence the oxygen content in the central tube.
As a further specific optional implementation manner of this embodiment, the side portion of the housing 11 is further provided with an air outlet 114, the air outlet 114 is communicated with the exhaust gas collecting pipe 30, and the portion of the central flue gas pipe 20 for curing oven, which corresponds to the position of the air outlet 114, in the circumferential direction is provided with an air outlet 22.
The arrangement is favorable for discharging volatile matters generated at high temperature in the furnace in time, and the quality of optical fiber curing is improved.
The above, only the utility model discloses a preferred embodiment is not right the utility model discloses do the restriction in any form, all basis the utility model discloses a technical essence makes any simple modification and equal change to above embodiment, all falls into within the protection scope of the utility model.
Claims (9)
1. The utility model provides an optic fibre curing oven sealing mechanism, sets up between optic fibre curing oven and curing oven exhaust gas center tube, characterized by: the optical fiber curing furnace sealing mechanism comprises a shell connected with the optical fiber curing furnace, the inside of the shell is connected with one end of a curing furnace smoke exhaust central pipe by adopting a labyrinth sealing structure, and the other port of the curing furnace smoke exhaust central pipe is provided with an iris switch capable of adjusting air inflow.
2. The sealing mechanism of the optical fiber curing oven according to claim 1, wherein: the outer part of the shell is detachably connected with the optical fiber curing furnace through a quick-change structure.
3. The sealing mechanism of the optical fiber curing oven according to claim 2, wherein: the quick change structure is including setting up clamp base on the optical fiber curing oven, seting up quick-lock structure slot and setting on the clamp base are in quick-lock structure rotating plate on the shell, quick-lock structure rotating plate insert establish with quick-lock structure slot inslot and rotatory predetermined angle after-fixing.
4. The sealing mechanism of the optical fiber curing oven according to claim 3, wherein: the predetermined angle is 90 °.
5. The optical fiber curing oven sealing mechanism of claim 1, 2, 3 or 4, wherein: the iris switch comprises two half irises which are fixed at the port of the smoke exhaust central pipe of the curing oven through an iris gland.
6. The optical fiber curing oven sealing mechanism of claim 1, 2, 3 or 4, wherein: the labyrinth seal structure comprises an outer labyrinth piece arranged at the end part of the flue gas exhaust center pipe of the curing furnace and an inner labyrinth piece arranged inside one end of the shell, wherein the outer labyrinth piece is connected with the inner labyrinth piece in a matched mode.
7. The optical fiber curing oven sealing mechanism of claim 6, wherein: the outer labyrinth piece and the inner labyrinth piece comprise a labyrinth outer ring and a labyrinth inner ring which are embedded together.
8. The sealing mechanism of the optical fiber curing oven according to claim 2, 3 or 4, wherein: the shell is still being equipped with the atmoseal subassembly deviating from the one end of quick change structure, the atmoseal subassembly is installed iris switch with between the shell.
9. The optical fiber curing oven sealing mechanism of claim 8, wherein: the side part of the shell is also provided with an air outlet which is communicated with a waste gas collecting pipe, and the circumferential part of the curing furnace smoke exhaust central pipe corresponding to the position of the air outlet is provided with an air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222068144.3U CN218443377U (en) | 2022-08-08 | 2022-08-08 | Optical fiber curing oven sealing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222068144.3U CN218443377U (en) | 2022-08-08 | 2022-08-08 | Optical fiber curing oven sealing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218443377U true CN218443377U (en) | 2023-02-03 |
Family
ID=85092354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222068144.3U Active CN218443377U (en) | 2022-08-08 | 2022-08-08 | Optical fiber curing oven sealing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218443377U (en) |
-
2022
- 2022-08-08 CN CN202222068144.3U patent/CN218443377U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Sealing Mechanism for Optical Fiber Curing Furnace Effective date of registration: 20230327 Granted publication date: 20230203 Pledgee: SHANDONG WEIHAI RURAL COMMERCIAL BANK Co.,Ltd. Pledgor: Weihai Weixin Fiber Technology Co.,Ltd. Registration number: Y2023980036298 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20230203 Pledgee: SHANDONG WEIHAI RURAL COMMERCIAL BANK Co.,Ltd. Pledgor: Weihai Weixin Fiber Technology Co.,Ltd. Registration number: Y2023980036298 |