CN209412080U - A kind of sealing device suitable for original caudal peduncle wire drawing - Google Patents
A kind of sealing device suitable for original caudal peduncle wire drawing Download PDFInfo
- Publication number
- CN209412080U CN209412080U CN201822221537.7U CN201822221537U CN209412080U CN 209412080 U CN209412080 U CN 209412080U CN 201822221537 U CN201822221537 U CN 201822221537U CN 209412080 U CN209412080 U CN 209412080U
- Authority
- CN
- China
- Prior art keywords
- quartzy
- sealing gland
- wire drawing
- diameter
- thin plate
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 95
- 238000005491 wire drawing Methods 0.000 title claims abstract description 55
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 80
- 210000004907 gland Anatomy 0.000 claims abstract description 69
- 239000010453 quartz Substances 0.000 claims abstract description 66
- 238000012681 fiber drawing Methods 0.000 claims abstract description 25
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 20
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 210000002268 wool Anatomy 0.000 claims description 7
- 239000004575 stone Substances 0.000 claims 5
- 230000007704 transition Effects 0.000 abstract description 2
- 239000013307 optical fiber Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000007380 fibre production Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Glass Melting And Manufacturing (AREA)
Abstract
The utility model is a kind of sealing device suitable for original caudal peduncle wire drawing.Including quartz cover, the quartz cover includes thin plate ring portion and open tubular column portion, and the thin plate ring portion is Thin ring plate, and the open tubular column portion is hollow cylinder, and the end face in the open tubular column portion is fixedly connected with the end face of thin plate ring portion；Fiber drawing furnace entrance outer edge is provided with no less than one quartzy sealing gland, and the quartzy sealing gland coaxially mutually stacks, and the quartzy sealing gland is for realizing sealing gland when wire drawing section protrudes into inside fiber drawing furnace.The problem of can solve reducer transition in the high sealing gland of multilayer, before reducer is completely into quartzy sealing gland, it is contacted by wire drawing section with quartzy sealing gland inner wall and realizes sealing gland, after reducer is completely into quartzy sealing gland, quartzy sealing gland upper surface and thin plate ring portion lower surface edge are in close contact and realize sealing gland.
Description
Technical field
The utility model is optic fibre manufacturing technology field, and specifically a kind of sealing suitable for original caudal peduncle wire drawing fills
It sets.
Background technique
Fiber drawing furnace can heat prefabricated rods, make optical fiber prefabricating as a function device extremely important in drawing optical fibers
Stick melts in fiber drawing furnace, and optical fiber of the diameter in 125 ± 1 μ ms is formed under certain draw conditions.Wire drawing furnace gas
The effect of seal apparatus is that air enters in fiber drawing furnace when preventing preform drawing, and graphite piece in furnace is caused to aoxidize, thus
Lead to graphite piece reduced service life.
In order to improve the production efficiency, production cost is saved, present part fiber producer uses original caudal peduncle wire drawing.Comparison is cut
Except optical fiber tail portion loosening body and handle, then the mode of tail pipe is docked, a large amount of physical resources and financial resources can be saved.Using original caudal peduncle
When wire drawing, because prefabricated rods become larger to tail pipe part variable diameter, it is easy to produce gas blowby, causes graphite piece in furnace to aoxidize, naked fibre diameter wave
It is dynamic to become larger, therefore the requirement to sealing gland becomes higher.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of sealing devices suitable for original caudal peduncle wire drawing, pass through
Mobile quartz cover and multilayer quartz sealing gland are used cooperatively, and ensure that original caudal peduncle is accurate fixation, and the protective cover to reducer
Lid sealing.
In order to solve the above technical problems, the technical solution adopted by the utility model is:
A kind of sealing device suitable for original caudal peduncle wire drawing, preform include lever, reducer and wire drawing section,
The operation shank diameter is less than wire drawing section diameter, and the reducer miner diameter end is connect with lever end, bigger diameter end and drawing
Silk section one end connection, it is characterised in that: including quartz cover, the quartz cover includes thin plate ring portion and open tubular column portion, described
Thin plate ring portion is Thin ring plate, and the open tubular column portion is hollow cylinder, the end face in the open tubular column portion and thin plate ring portion
End face be fixedly connected；
Tail pipe passes through thin plate ring portion centre bore, and the tail pipe, which is located at an end margin inside quartz cover and expand to be formed outward, dashes forward
Platform, the tail pipe diameter are less than thin plate ring portion internal diameter, and the diameter of the convex is greater than thin plate ring portion internal diameter, the convex of tail pipe
End end face is provided with shrinkage pool, and the lever is detachably arranged in shrinkage pool；
The wire drawing section passes through fiber drawing furnace entrance and enters inside fiber drawing furnace, and fiber drawing furnace entrance outer edge is provided with no less than
One quartzy sealing gland, the quartzy sealing gland coaxially mutually stack, and the quartzy sealing gland is used to protrude into wire drawing in wire drawing section
Sealing gland is realized when furnace interior, the quartzy sealing gland internal diameter is greater than wire drawing section diameter, and the open tubular column portion outer diameter is less than wire drawing
Section diameter, the thin plate ring portion outer diameter are greater than quartzy sealing gland internal diameter.
The tail portion of the lever is provided perpendicular to the through-hole of lever axial direction, and bolt sequentially passes through the side wall of tail pipe
With the through-hole of operation handle tail, the bolt is for lever and tail pipe to be fixed to each other.
The upper surface of the quartz cover is provided with quartz ring, and the tail pipe passes through the centre bore of quartz ring, described
The internal diameter of quartz ring is greater than the diameter of tail pipe.
Be equipped with quartzy felt between the quartz ring and quartz cover, the quartz ring inner surface and tail pipe outer wall it
Between be equipped with quartzy felt.
The quartzy sealing gland upper surface is covered with quartzy felt, and the inward flange of the quartzy felt protrudes quartzy sealing gland internal diameter
Edge, the quartzy sealing gland inner wall are provided with annular groove, silica wool, the quartz are provided in the annular groove
The tightly packed annular groove of cotton simultaneously protrudes outward, and the outer diameter of the thin plate ring portion is greater than quartzy sealing gland internal diameter.
Quartzy felt is provided between the quartzy sealing gland is adjacent.
Protection cylinder is provided in the quartz cover, the protection cylinder is hollow tubular, the protection cylinder upper surface
It is provided with annulus, the protection cylinder is nested on reducer.
The sealing device that this kind is suitable for original caudal peduncle wire drawing can be the beneficial effects are as follows: first, can by setting
Mobile quartz cover, as hanging rod platform is into stick, quartz cover is gradually moved inward, removable after entering multilayer quartz sealing gland
Dynamic quartz cover can replace prefabricated rods contact to increase the sealing filler in sealing gland, play sealing function.
Second, operation handle tail is connect by high temperature resistant zirconium dioxide based ceramics bolt with tail pipe, real by mechanical connection
It is now fastenedly connected, is conveniently sealed.
Third, the problem of can solve reducer transition in the high sealing gland of multilayer, before reducer is completely into quartzy sealing gland,
It is contacted by wire drawing section with quartzy sealing gland inner wall and realizes sealing gland, after reducer is completely into quartzy sealing gland, table in quartzy sealing gland
Face and thin plate ring portion lower surface edge, which are in close contact, realizes sealing gland.
4th, the setting of protection cylinder guarantees not will lead to fiber drawing furnace air turbulence when air-flow is up collaborated, can be effectively steady
Determine fiber drawing furnace thermal field stability, and then improve pass rate of drawing, reduces optical fiber production cost.
Detailed description of the invention
Fig. 1 is a kind of structure principle chart of the sealing device suitable for original caudal peduncle wire drawing of the utility model.
Fig. 2 is a kind of sealing device preform suitable for original caudal peduncle wire drawing of the utility model completely into wire drawing
Structure principle chart after furnace.
Fig. 3 is a kind of structure principle chart of the sealing device protection cylinder suitable for original caudal peduncle wire drawing of the utility model.
Fig. 4 is a kind of structural principle of the sealing device multilayer quartz sealing gland suitable for original caudal peduncle wire drawing of the utility model
Figure.
Fig. 5 is a kind of structural principle of the sealing device preform suitable for original caudal peduncle wire drawing of the utility model
Figure.
Fig. 6 is a kind of structure principle chart of the sealing device quartz cover suitable for original caudal peduncle wire drawing of the utility model.
Figure of description mark: 1, preform；2, tail pipe；3, bolt；4, quartz cover；5, quartz ring；6, fiber drawing furnace；
7, quartzy sealing gland；8, protection cylinder；9, convex；10, quartzy felt；11, silica wool；12, lever；13, reducer；14, wire drawing section；
15, thin plate ring portion；16, open tubular column portion.
Specific embodiment
The utility model is further described below in conjunction with Figure of description and specific preferred embodiment.
As depicted in figs. 1 and 2, a kind of sealing device suitable for original caudal peduncle wire drawing, preform 1 include lever
12, reducer 13 and wire drawing section 14,12 diameter of lever are less than 14 diameter of wire drawing section, 13 miner diameter end of reducer
It is connect with 12 end of lever, bigger diameter end is connect with 14 one end of wire drawing section, it is characterised in that: including quartz cover 4, the quartz
Cover 4 includes thin plate ring portion 15 and open tubular column portion 16, and the thin plate ring portion 15 is Thin ring plate, and the open tubular column portion 16 is
The end face of hollow cylinder, the open tubular column portion 16 is fixedly connected with the end face of thin plate ring portion 15；
Tail pipe 2 passes through 15 centre bore of thin plate ring portion, and the tail pipe 2 is located at 4 one end margin of inside of quartz cover and expands outward
Convex 9 is formed, 2 diameter of tail pipe is less than 15 internal diameter of thin plate ring portion, and the diameter of the convex 9 is greater than in thin plate ring portion 15
The 9 end end face of convex of diameter, tail pipe 2 is provided with shrinkage pool, and the lever 12 is detachably arranged in shrinkage pool；
The wire drawing section 14 passes through fiber drawing furnace entrance and enters inside fiber drawing furnace 6, and fiber drawing furnace entrance outer edge is provided with not
Quartzy sealing gland 7 less than one, the quartzy sealing gland 7 coaxially mutually stack, and the quartzy sealing gland 7 is used in wire drawing section 14
Sealing gland is realized when protruding into 6 inside of fiber drawing furnace, 7 internal diameter of quartzy sealing gland is greater than 14 diameter of wire drawing section, the open tubular column portion
16 outer diameters are less than 14 diameter of wire drawing section, and 15 outer diameter of thin plate ring portion is greater than 7 internal diameter of quartzy sealing gland.
In the present embodiment, the tail portion of lever 12 is provided perpendicular to the axial through-hole of lever 12, and bolt 3 sequentially passes through
The through-hole of 12 tail portion of side wall and lever of tail pipe 2, the bolt 3 is for lever 12 and tail pipe 2 to be fixed to each other.
The lever 12 of 1 tail portion of preform is solid by the bolt 3 and tail pipe 2 of high temperature resistant zirconium dioxide based ceramics material
Fixed connection, connection type is not necessarily to traditional high temperature welding, using mechanical connection, at this point, the reducer of preform 1
13 can be used to support removable quartz cover 4, after quartz cover 4 enters and rests in quartzy sealing gland 7, by high temperature resistant dioxy
The bolt 3 for changing zirconia-based ceramic material is driven, and moves synchronously quartzy tail pipe 2 and 1 chain junctor of prefabricated rods.
In the present embodiment, the upper surface of quartz cover 4 is provided with quartz ring 5, and the tail pipe 2 passes through the center of quartz ring 5
Hole, the internal diameter of the quartz ring 5 are greater than the diameter of tail pipe 2.
In the present embodiment, be equipped with quartzy felt 10 between quartz ring 5 and quartz cover 4,5 inner surface of quartz ring with
Quartzy felt 10 is equipped between 2 outer wall of tail pipe；Quartzy felt 10 is equipped between 9 upper surface of convex and thin plate ring portion 15.
The setting of quartz ring 5 is used to the fixed quartzy felt 10 being laid between quartz ring 5 and quartz cover 4, while can also
The quartzy felt 10 being laid between 5 inner surface of quartz ring and 2 outer wall of tail pipe is fixed, the quartzy felt 10 at above-mentioned two can be to connection
Realize sealing gland in place.
As shown in figure 4, in the present embodiment, quartzy 7 upper surface of sealing gland is covered with quartzy felt 10, the quartzy felt 10 it is interior
Edge protrudes quartzy 7 inner diameter edge of sealing gland, and 7 inner wall of quartzy sealing gland is provided with annular groove, in the annular groove
It is provided with silica wool 11, the tightly packed annular groove of silica wool 11 simultaneously protrudes outward, outside the thin plate ring portion 15
Diameter is greater than 7 internal diameter of quartzy sealing gland.
Quartzy felt 10 is provided in the present embodiment, between quartzy sealing gland 7 is adjacent.
It is provided with quartzy felt 10 between adjacent quartz sealing gland 7, during preform 1 enters fiber drawing furnace, meeting exists
Multilayer quartz sealing gland 7 is successively compressed under the drive of frictional force, improves seal degree.Preform 1 reducer 13 not
When completely into multilayer quartz sealing gland 7, it is in close contact by wire drawing section 14 and 7 inner wall of multilayer quartz sealing gland and realizes sealing, quartz
Cotton 11 and quartzy felt 10 are inwardly projecting, wire drawing section 14 and 7 inner wall degree of intimate contact of multilayer quartz sealing gland are improved, into one
Step improves sealing gland degree.When the reducer 13 in preform 1 is completely into multilayer quartz sealing gland 7, that is, pass through quartz
7 upper surface of sealing gland and 15 lower surface edge of thin plate ring portion, which are in close contact, realizes sealing gland, and the quartz of quartzy 7 upper surface of sealing gland is arranged in
Felt 10 further improves air-tightness.
Between undermost quartz sealing gland 7 and 6 fire door of fiber drawing furnace can also portion quartzy felt 10 is set, by quartz and metal
Fit closely guarantee air-tightness.
As shown in figure 3, being provided with protection cylinder 8 in quartz cover 4 in the present embodiment, the protection cylinder 8 is hollow tubular,
8 upper surface of protection cylinder is provided with annulus, and the protection cylinder 8 is nested on reducer 13.
Protection cylinder 8 is made of silicon nitride or other heat-resisting materials, and protection cylinder 8 guarantees past in air-flow at the end of wire drawing
On not will lead to 6 air turbulence of fiber drawing furnace when collaborating, can effectively stable 6 thermal field stability of fiber drawing furnace, and then it is qualified to improve wire drawing
Rate reduces optical fiber production cost.
In the present embodiment, prefabricated rods 1 are progressed into fiber drawing furnace 6, and the top of removable quartz cover 4 falls in quartz and increases gas
In envelope 7, removable 4 lower part of quartz cover enters quartz and increases in sealing gland, and then holding position is constant, until wire drawing is completed.Whole
It can guarantee furnace sealing in a drawing process, ensure that the stabilization of fiber drawing furnace 6 interior air-flow and thermal field, graphite piece can be prevented
Oxidation, extension, which does not cool down, changes the period of stick.
Wherein, quartz cover 4, quartz ring 5, quartzy felt 10 and silica wool 11 are added before wire drawing, so there is no height
The danger of warm operation ensure that its security performance.
Above are merely preferred embodiments of the utility model, the protection scope of the utility model is not limited merely to above-mentioned
Embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should be pointed out that pair
For those skilled in the art, several improvements and modifications without departing from the principle of the utility model,
It should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of sealing device suitable for original caudal peduncle wire drawing, preform (1) includes lever (12), reducer (13)
With wire drawing section (14), the lever (12) diameter be less than wire drawing section (14) diameter, the reducer (13) miner diameter end with
The connection of lever (12) end, bigger diameter end are connect with wire drawing section (14) one end, it is characterised in that: described including quartz cover (4)
Quartz cover (4) includes thin plate ring portion (15) and open tubular column portion (16), and the thin plate ring portion (15) is Thin ring plate, described
Open tubular column portion (16) is hollow cylinder, and the end face in the open tubular column portion (16) is fixedly connected with the end face of thin plate ring portion (15)；
Tail pipe (2) passes through thin plate ring portion (15) centre bore, and it is outside that the tail pipe (2) is located at the internal end margin of quartz cover (4)
Expansion is formed convex (9), and the tail pipe (2) diameter is less than thin plate ring portion (15) internal diameter, and the diameter of the convex (9) is greater than
Convex (9) the end end face of thin plate ring portion (15) internal diameter, tail pipe (2) is provided with shrinkage pool, and the lever (12) is removably pacified
In shrinkage pool；
The wire drawing section (14) passes through fiber drawing furnace entrance and enters fiber drawing furnace (6) inside, and fiber drawing furnace entrance outer edge is provided with not
Quartzy sealing gland (7) less than one, the quartzy sealing gland (7) coaxially mutually stack, and the quartzy sealing gland (7) is for drawing
Silk section (14) protrude into fiber drawing furnace (6) it is internal when realize sealing gland, quartzy sealing gland (7) internal diameter is greater than wire drawing section (14) diameter,
Open tubular column portion (16) outer diameter is less than wire drawing section (14) diameter, and thin plate ring portion (15) outer diameter is greater than quartzy sealing gland
(7) internal diameter.
2. a kind of sealing device suitable for original caudal peduncle wire drawing according to claim 1, it is characterised in that: the behaviour
The tail portion for making handle (12) is provided perpendicular to the through-hole of lever (12) axial direction, bolt (3) sequentially pass through tail pipe (2) side wall and
The through-hole of lever (12) tail portion, the bolt (3) is for lever (12) and tail pipe (2) to be fixed to each other.
3. a kind of sealing device suitable for original caudal peduncle wire drawing according to claim 1, it is characterised in that: the stone
The upper surface of English cover (4) is provided with quartz ring (5), and the tail pipe (2) passes through the centre bore of quartz ring (5), the quartz
The internal diameter of ring (5) is greater than the diameter of tail pipe (2).
4. a kind of sealing device suitable for original caudal peduncle wire drawing according to claim 3, it is characterised in that: the stone
Be equipped between Ying Huan (5) and quartz cover (4) quartzy felt (10), the quartz ring (5) inner surface and tail pipe (2) outer wall it
Between be equipped with quartzy felt (10).
5. a kind of sealing device suitable for original caudal peduncle wire drawing according to claim 1, it is characterised in that: the stone
Heroic spirit envelope (7) upper surface is covered with quartzy felt (10), and the inward flange of the quartzy felt (10) protrudes quartzy sealing gland (7) internal diameter side
Edge, described quartzy sealing gland (7) inner wall is provided with annular groove, is provided in the annular groove silica wool (11), described
The tightly packed annular groove of silica wool (11) and protrude outward, the outer diameter of the thin plate ring portion (15) is greater than quartzy sealing gland
(7) internal diameter.
6. a kind of sealing device suitable for original caudal peduncle wire drawing according to claim 5, it is characterised in that: the stone
Quartzy felt (10) are provided between heroic spirit envelope (7) is adjacent.
7. a kind of sealing device suitable for original caudal peduncle wire drawing according to claim 1, it is characterised in that: the stone
It is provided with protection cylinder (8) in English cover (4), the protection cylinder (8) is hollow tubular, the setting of the protection cylinder (8) upper surface
There is annulus, the protection cylinder (8) is nested on reducer (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822221537.7U CN209412080U (en) | 2018-12-27 | 2018-12-27 | A kind of sealing device suitable for original caudal peduncle wire drawing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822221537.7U CN209412080U (en) | 2018-12-27 | 2018-12-27 | A kind of sealing device suitable for original caudal peduncle wire drawing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209412080U true CN209412080U (en) | 2019-09-20 |
Family
ID=67941153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822221537.7U Expired - Fee Related CN209412080U (en) | 2018-12-27 | 2018-12-27 | A kind of sealing device suitable for original caudal peduncle wire drawing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209412080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111056741A (en) * | 2020-01-08 | 2020-04-24 | 通鼎互联信息股份有限公司 | Sealing device and sealing method for tail handle of optical fiber preform |
-
2018
- 2018-12-27 CN CN201822221537.7U patent/CN209412080U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111056741A (en) * | 2020-01-08 | 2020-04-24 | 通鼎互联信息股份有限公司 | Sealing device and sealing method for tail handle of optical fiber preform |
| CN111056741B (en) * | 2020-01-08 | 2024-01-16 | 通鼎互联信息股份有限公司 | Sealing device and sealing method for tail handle of optical fiber preform |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190920 |