CN207811584U - A kind of reducing prefabricated stick drawn wire stove of band quartz sealing device - Google Patents
A kind of reducing prefabricated stick drawn wire stove of band quartz sealing device Download PDFInfo
- Publication number
- CN207811584U CN207811584U CN201820223206.4U CN201820223206U CN207811584U CN 207811584 U CN207811584 U CN 207811584U CN 201820223206 U CN201820223206 U CN 201820223206U CN 207811584 U CN207811584 U CN 207811584U
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- Prior art keywords
- quartzy
- quartz
- bowl
- ring
- spacer
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Abstract
The utility model is related to a kind of reducing prefabricated stick drawn wire stoves of band quartz sealing device, belong to drawing optical fibers equipment technical field.The reducing prefabricated stick drawn wire stove of band quartz sealing device, it is made of wire drawing furnace body, quartzy bowl, quartz spacer and quartzy pressure ring：Equipped with quartzy bowl at the fire door of wire drawing furnace body；The inside of quartzy bowl is placed with quartz spacer, and flexible sealing ring and quartzy pressure ring are sequentially placed above quartz spacer；Quartzy pressure ring is flexibly connected with quartzy bowl；Quartz spacer is in circular ring shape, and the internal diameter of elastic seal ring is less than the internal diameter of quartz spacer；The outer diameter of elastic seal ring is more than the outer diameter of quartz spacer.The reducing prefabricated stick drawn wire stove of band quartz sealing device, it is simple in structure, ingenious in design；Solve the problems, such as that existing fiber drawing furnace is big due to high rejection rate caused by sealing problem and quality fluctuation；Meet people's needs.
Description
Technical field
The utility model is related to a kind of reducing prefabricated stick drawn wire stoves of band quartz sealing device, belong to drawing optical fibers equipment and technology
Field.
Background technology
The widely used axial vapor deposition method+outside chemical vapor deposition method of manufacture of large-scale optical fiber prefabricating stick at present
Manufacturing process is influenced by its manufacturing process, is difficult consistent, the meeting for keeping prefabricated rod outside diameter during loose stick sintering curing
It is bigger than normal to form lower end conehead diameter, aft end diameter uneven ladder type prefabricated stick less than normal.
Using, as prefabricated rods slowly enter stove, preform diameter is by greatly extremely in the major part taper prefabricated stick drawn wire production process
Small slowly to attenuate, fiber drawing furnace fire door collapsed seal, wire drawing fire door can not seal therewith for the quartz piece of sealing and quartzy sliver
Performance hardly results in guarantee, influences wire drawing gas stream in the stove stabilization and graphite oxide part to cause air to enter wire drawing furnace cavity,
Will so lead to problems such as the fluctuation of bare fibre string diameter it is exceeded scrap, fiber strength is deteriorated, the disconnected fibre of drawing process.
Conventional seals mode can only be by manually frequently pressing quartzy pressure ring or adding quartz sliver again to ensure to draw
Silk stove fire door leakproofness, and prefabricated rods weak vibrations can be caused in this operating process and wire drawing gas stream in the stove is had an impact,
Bare fibre string diameter is caused to fluctuate, it is also possible to which misoperation causes silica wool clast to fall into what fiber drawing furnace furnace chamber caused to produce
Fiber strength is poor, causes a large amount of scraps.Therefore it needs to redesign a stove fiber drawing furnace according to the irregular prefabricated rods of such outer diameter,
To solve the problem above that existing fiber drawing furnace has.
Invention content
The purpose of this utility model is that：It is simple in structure, ingenious in design to provide one kind, to solve existing fiber drawing furnace due to close
The reducing prefabricated stick drawn wire stove of the band quartz sealing device of high rejection rate caused by envelope problem and the big problem of quality fluctuation.
The technical solution of the utility model is：
A kind of reducing prefabricated stick drawn wire stove of band quartz sealing device, it is by wire drawing furnace body, quartzy bowl, quartz spacer and stone
English pressure ring is constituted；It is characterized in that：Equipped with quartzy bowl at the fire door of wire drawing furnace body；The inside of quartzy bowl is placed with quartz spacer,
Flexible sealing ring and quartzy pressure ring are sequentially placed above quartz spacer；Quartzy pressure ring is flexibly connected with quartzy bowl；Quartz spacer
In circular ring shape, the internal diameter of elastic seal ring is less than the internal diameter of quartz spacer；The outer diameter of elastic seal ring is more than the outer of quartz spacer
Diameter.
The elastic seal ring is wrapped in reducing prefabricated rods by heat safe elastic sealing strip and is formed；Elastic seal ring
Section be ellipse.
The quartzy bowl is internally provided with ladder hole；Quartz spacer is placed at the ladder of ladder hole；Ladder
The taper end diameter of through-hole is more than the diameter of reducing prefabricated rods.
The periphery of the quartzy pressure ring and the butt end of quartzy bowl endoporus are slidably connected；The internal diameter of quartzy pressure ring is more than bullet
The central diameter of property sealing ring.
The inner ring circle mouth of the quartz spacer is arc.
The utility model has the advantage of：
The reducing prefabricated stick drawn wire stove of band quartz sealing device, it is simple in structure, ingenious in design；Prefabricated rods slowly enter the drawing
Slowly entered by microcephaly when silk stove, in this course, diameter of the prefabricated rods at fire door can slowly become larger, to squeeze elasticity
Sealing ring, so that the air-tightness of elastic seal ring and prefabricated rods is become better and better, to ensure that the normal production of fiber drawing furnace,
And then solve the problems, such as that existing fiber drawing furnace is big due to high rejection rate caused by sealing problem and quality fluctuation；Meet people's
Use needs.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the utility model.
In figure：1, wire drawing furnace body, 2, quartzy bowl, 3, quartz spacer, 4, quartzy pressure ring, 5, elastic seal ring, 6, ladder it is logical
Hole, 7, reducing prefabricated rods.
Specific implementation mode
The reducing prefabricated stick drawn wire stove of band quartz sealing device is by wire drawing furnace body 1, quartzy bowl 2, quartz spacer 3 and quartz
Pressure ring 4 is constituted：Equipped with quartzy bowl 2 at the fire door of wire drawing furnace body 1；Quartzy bowl 2 is internally provided with ladder hole 6；Ladder hole 6
Taper end diameter be more than reducing prefabricated rods 7 diameter；The purpose that ladder hole 6 is arranged such is：So that reducing is pre- when work
Stick 7 processed can pass through ladder hole 6, and then the problem of avoiding 6 bite reducing prefabricated rods 7 of ladder hole occurs.
Quartz spacer 3 is placed at the ladder of ladder hole 6.Quartz spacer 3 is in circular ring shape, and the internal diameter of quartz spacer 3 is big
In the diameter of reducing prefabricated rods 7.The inner ring circle mouth of quartz spacer 3 is arc；The purpose of such setting is：One makes quartz spacer
3 have certain intensity, second is that being smoothly slidably connected when reducing prefabricated rods 7 being enable to be contacted with quartz spacer 3, avoid stone
English gasket 3 hinders the generation of 7 movement problem of reducing prefabricated rods.
3 top of quartz spacer is sequentially placed flexible sealing ring 5 and quartzy pressure ring 4；Elastic seal ring 5 is by heat safe bullet
Property sealing strip, which is wrapped in reducing prefabricated rods 7, to be formed.
The section of elastic seal ring 5 is ellipse.The purpose that the section of elastic seal ring 5 is arranged such is：So that
When elastic seal ring 5 is pressurized, radial shape becomes bigger, to seal even closer by reducing prefabricated rods 7.
The periphery of quartzy pressure ring 4 and the butt end of 2 endoporus of quartzy bowl are slidably connected；The internal diameter of quartzy pressure ring 4 is more than elasticity
The central diameter of sealing ring 5；The purpose of such setting is：So that quartzy pressure ring 4 can push elastic seal ring 5 from outer perimeter section,
To make elastic seal ring 5 i.e. by vertical pressure, and by the extruding force for being directed toward internal diameter；To make elastic seal ring 5 perpendicular
Under the action of vertical compression power and extruding force, reducing prefabricated rods 7 are sealed even closer.
The internal diameter of elastic seal ring 5 is less than the internal diameter of quartz spacer 3；The outer diameter of elastic seal ring 5 is more than quartz spacer 3
Outer diameter.The purpose of such setting is：So that the inner ring of elastic seal ring 5 is tightly connected with reducing prefabricated rods 7.
When the reducing prefabricated stick drawn wire furnaceman of band quartz sealing device makees, quartzy bowl 2 is placed on wire drawing furnace body 1 first
Fire door at, be sent into wire drawing furnace body 1 after the microcephaly of reducing prefabricated rods 7 is then passed through quartzy bowl 2, then by quartz spacer 3
After being passed through from 7 upper end of reducing prefabricated rods, it is placed in the ladder hole 6 of quartzy bowl 2；And quartz spacer 3 is adjusted, keep reducing prefabricated
Stick 7 is in the center of quartz spacer 3；Then elastic sealing strip is wrapped in reducing prefabricated rods 7 form it into elasticity it is close
Seal 5；Finally elastic seal ring 5 is pushed down with quartzy pressure ring 4.
After above procedure carries out, which can normally be produced, and reducing prefabricated rods 7 are downwards slowly when production
It enters in wire drawing furnace body 1；Diameter of the reducing prefabricated rods 7 at fire door slowly becomes larger, and squeezes elastic seal ring 5 so that elasticity
Sealing ring 5 and the leakproofness of reducing prefabricated rods 7 are become better and better, and then ensure that the air-tightness of fire door.It is quartzy in this course
Gasket 3 effectively prevents the problem of reducing prefabricated rods 7 bring elastic seal ring 5 into wire drawing furnace body 1 and occurs.
The reducing prefabricated stick drawn wire stove of band quartz sealing device, it is simple in structure, ingenious in design；Solves existing fiber drawing furnace
Due to high rejection rate caused by sealing problem and the big problem of quality fluctuation；Meet people's needs.
Claims (5)
1. a kind of reducing prefabricated stick drawn wire stove of band quartz sealing device, it is by wire drawing furnace body（1）, quartzy bowl（2）, quartz spacer
（3）With quartzy pressure ring（4）It constitutes；It is characterized in that：Wire drawing furnace body（1）Fire door at equipped with quartzy bowl（2）；Quartzy bowl（2）'s
Inside is placed with quartz spacer（3）, quartz spacer（3）Top is sequentially placed flexible sealing ring（5）With quartzy pressure ring（4）；Stone
English pressure ring（4）With quartzy bowl（2）Flexible connection；Quartz spacer（3）In circular ring shape, elastic seal ring（5）Internal diameter be less than quartz
Gasket（3）Internal diameter；Elastic seal ring（5）Outer diameter be more than quartz spacer（3）Outer diameter.
2. a kind of reducing prefabricated stick drawn wire stove of band quartz sealing device according to claim 1, it is characterised in that：It is described
Elastic seal ring（5）Reducing prefabricated rods are wrapped in by heat safe elastic sealing strip（7）Upper formation；Elastic seal ring（5）'s
Section is ellipse.
3. a kind of reducing prefabricated stick drawn wire stove of band quartz sealing device according to claim 2, it is characterised in that：It is described
Quartzy bowl（2）Be internally provided with ladder hole（6）；Quartz spacer（3）It is placed on ladder hole（6）Ladder at；Ladder
Through-hole（6）Taper end diameter be more than reducing prefabricated rods（7）Diameter.
4. a kind of reducing prefabricated stick drawn wire stove of band quartz sealing device according to claim 3, it is characterised in that：It is described
Quartzy pressure ring（4）Periphery and quartzy bowl（2）The butt end of endoporus is slidably connected；Quartzy pressure ring（4）Internal diameter be more than elasticity
Sealing ring（5）Central diameter.
5. a kind of reducing prefabricated stick drawn wire stove of band quartz sealing device according to claim 1, it is characterised in that：It is described
Quartz spacer（3）Inner ring circle mouth be arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820223206.4U CN207811584U (en) | 2018-02-08 | 2018-02-08 | A kind of reducing prefabricated stick drawn wire stove of band quartz sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820223206.4U CN207811584U (en) | 2018-02-08 | 2018-02-08 | A kind of reducing prefabricated stick drawn wire stove of band quartz sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207811584U true CN207811584U (en) | 2018-09-04 |
Family
ID=63321047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820223206.4U Expired - Fee Related CN207811584U (en) | 2018-02-08 | 2018-02-08 | A kind of reducing prefabricated stick drawn wire stove of band quartz sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207811584U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113788613A (en) * | 2021-11-16 | 2021-12-14 | 成都中住光纤有限公司 | Optical fiber preparation system and method |
-
2018
- 2018-02-08 CN CN201820223206.4U patent/CN207811584U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113788613A (en) * | 2021-11-16 | 2021-12-14 | 成都中住光纤有限公司 | Optical fiber preparation system and method |
| CN113788613B (en) * | 2021-11-16 | 2022-02-15 | 成都中住光纤有限公司 | Optical fiber preparation system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20220208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |