CN213060657U - Optical fiber perform sintering hanging rod device - Google Patents
Optical fiber perform sintering hanging rod device Download PDFInfo
- Publication number
- CN213060657U CN213060657U CN202021342745.3U CN202021342745U CN213060657U CN 213060657 U CN213060657 U CN 213060657U CN 202021342745 U CN202021342745 U CN 202021342745U CN 213060657 U CN213060657 U CN 213060657U
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- China
- Prior art keywords
- sintering
- rod
- opening
- adapter
- optical fiber
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- Expired - Fee Related
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- 238000005245 sintering Methods 0.000 title claims abstract description 89
- 239000013307 optical fiber Substances 0.000 title claims abstract description 26
- 239000010453 quartz Substances 0.000 claims abstract description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000843 powder Substances 0.000 claims abstract description 27
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 238000005137 deposition process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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- Manufacture, Treatment Of Glass Fibers (AREA)
Abstract
The application provides an optical fiber perform sintering hanging rod device, which comprises a quartz guide rod, a quartz disc, a coupler, a sintering hanging rod, a sintering adapter, an upper quartz handle rod and a powder rod loosening body, the sintering hanging rod is vertically and respectively fixed with the quartz guide rod and the sintering adapter, the coupler is also connected between the quartz guide rod and the sintering adapter, the lower end of the sintering adapter is provided with a columnar sleeve, the wall of the columnar sleeve is respectively provided with a first opening and a second opening which penetrate through the sleeve and are vertical to the central axis of the sintering hanging rod, the upper end of the powder rod loosening body is fixed with the upper quartz handle rod, a third opening and a fourth opening which are perpendicular to the central axis of the sintering hanging rod are formed in the upper quartz handle rod, the first bolt is inserted into and connected with the first opening and the third opening, and the second bolt is inserted into and connected with the second opening and the fourth opening. The utility model has the advantages of simple structure and convenient operation.
Description
Technical Field
The application belongs to the optical fiber perform manufacturing field, and especially relates to an optical fiber perform sintering hanging rod device.
Background
The mainstream processes for producing the optical fiber preform at present are the VAD (vapor axial deposition) process for preparing the core layer of the optical fiber preform and the OVD (outside vapor deposition) process for preparing the cladding layer of the optical fiber preform. Sintering is an important process for producing the optical fiber preform rod, and is to place the soot rod loose body prepared by VAD or OVD technology into a muffle tube of a sintering furnace, set a proper technology temperature and a proper rod feeding speed, introduce chlorine and helium into the muffle tube to remove moisture and hydroxyl from the soot rod loose body, and then continue heating to vitrify and sinter the soot rod loose body into the optical fiber preform rod.
The existing sintering hanging rod is characterized in that a rod inserting hole formed in one end of a powder rod loose body prepared by an OVD (over-the-counter) deposition process and an adapter inserting hole arranged below a sintering hanging rod are fixedly hung on an adapter through an inserting pin, then a guide rod is slowly descended, and the powder rod loose body is placed into a sintering muffle tube to complete a sintering process. Because the rods are fixed on the chuck through the rubber rings at two ends of the core rod prepared by the VAD process in the OVD deposition process, the diameter of the loose powder rod body is continuously increased in the deposition process, the corresponding weight is gradually increased, the rubber rings are aged and deformed by high temperature, the loose powder rod body is damaged after the deposition is finished, and particularly the loose powder rod body at one end with the insertion hole is sintered. After the powder rod is damaged, the rod cannot be hung on the sintering adapter or the risk of dropping the rod exists, so that the loose powder rod body cannot be sintered or the rod drops in the sintering process to cause the cracking of the sintering muffle pipe, and the loose powder rod body can only be discarded.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: for solving the not enough among the prior art to provide a simple structure, convenient operation's optical fiber perform sintering hanging stick device, loose body of original powder stick still can continue hanging stick sintering behind the damaged stick jack, reduces the disability rate of the loose body of powder stick.
The utility model provides a technical scheme that its technical problem adopted is:
an optical fiber perform sintering hanging rod device comprises a quartz guide rod, a quartz disc, a coupler, a sintering hanging rod, a sintering adapter, an upper quartz handle rod and a powder rod loosening body which are sequentially arranged from top to bottom, the sintering hanging rod is vertically and respectively fixed with the quartz guide rod and the sintering adapter, the coupler is also connected between the quartz guide rod and the sintering adapter, the lower end of the sintering adapter is provided with a columnar sleeve, the wall of the columnar sleeve is respectively provided with a first opening and a second opening which penetrate through the sleeve and are vertical to the central axis of the sintering hanging rod, the upper end of the powder rod loosening body is fixed with the upper quartz handle rod, a third opening and a fourth opening which are perpendicular to the central axis of the sintering hanging rod are formed in the upper quartz handle rod, the first bolt is inserted into and connected with the first opening and the third opening, and the second bolt is inserted into and connected with the second opening and the fourth opening.
In one embodiment, the quartz guide rod is of a hollow cylindrical structure, and the sintering hanging rod is of a hollow structure.
In one embodiment, the lower end of the quartz guide rod and the upper end of the sintering adapter are respectively provided with an annular boss, and the upper end and the lower end of the sintering hanging rod are respectively provided with an annular groove matched with the annular bosses of the quartz guide rod and the sintering adapter.
In one embodiment, the coupler is a sleeve with a conical top and a cylindrical bottom, and the inner diameter of the conical portion is gradually reduced from bottom to top.
In one embodiment, the inner diameter of the cylindrical part of the coupler is matched with the outer diameter of the sintering hanging rod, and the minimum inner diameter of the conical part is matched with the outer diameter of the quartz guide rod.
In one embodiment, the first opening, the second opening, the third opening and the fourth opening are distributed in parallel up and down two by two.
In one embodiment, the upper quartz handle rod is of a cylindrical structure, and the outer diameter of the upper quartz handle rod is matched with the inner diameter of the sintered adapter.
In one embodiment, the first and second pins are cylindrical pins.
In one embodiment, the quartz disc is covered with a sealing aluminum plate.
In one embodiment, the coupler, the sintered hanging rod, the sintered adapter, the first plug and the second plug are made of silicon nitride.
The utility model has the advantages that: the utility model discloses excellent device is hung in optical fiber perform sintering, the combination uses when hanging the stick on double-jack structure adapter and the double jack, both can avoid the damaged loose body unable sintering of powder stick that causes in the OVD deposit process of first bolt hole, leads to the condemned condition of prefabricated stick to take place, can dual anti-drop again cause the loose body of powder stick to drop, pound the condition of wearing sintering muffle pipe.
Drawings
The technical solution of the present application is further explained below with reference to the drawings and the embodiments.
FIG. 1 is a schematic structural diagram of a sintering rod-hanging device for an optical fiber preform according to an embodiment of the present application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, a sintering rod hanging device for an optical fiber preform comprises a quartz guide rod 1, a quartz disc 3, and a coupler 4 sequentially arranged from top to bottom, sintering peg 5, sintering adapter 6, go up quartzy loose body 10 of stick 9 and powder stick, sintering peg 5 is fixed quartzy pin 1 and sintering adapter 6 from top to bottom respectively, still connect coupler 4 between quartzy pin 1 and sintering adapter 6, 6 lower extremes of sintering adapter be equipped with the column sleeve pipe, set up first trompil and the second trompil that runs through sleeve pipe and perpendicular to sintering peg 5 the central axis on the column sleeve pipe casing wall respectively, loose body 10 upper end of powder stick fixed quartzy stick 9, go up quartzy third trompil and the fourth trompil that is equipped with perpendicular to sintering peg 5 the central axis on the stick 9, first bolt 7 inserts and connects first trompil and third trompil, second bolt 8 inserts and connects second trompil and fourth trompil.
After the loose body deposit of OVD powder stick is ended, go deep into the sintering adapter inner chamber with the upper end of the loose body of powder stick to the stick for the upper end is two jacks of sintering adapter to two jacks of stick respectively, fixes the upper end of the loose body of powder stick through the bolt and is stick and sintering adapter.
In one embodiment, the quartz guide rod 1 is a hollow cylindrical structure, and the sintering hanging rod 5 is a hollow structure.
In one embodiment, the lower end of the quartz guide rod 1 and the upper end of the sintering adapter 6 are respectively provided with an annular boss, the upper end and the lower end of the sintering hanging rod 5 are respectively provided with an annular groove matched with the annular bosses of the quartz guide rod 1 and the sintering adapter 6, namely, the bosses can be accommodated in the grooves to form a matched groove
In one embodiment, the coupler 4 is a sleeve with a conical top and a cylindrical bottom, and the inner diameter of the conical portion gradually decreases from bottom to top.
In one embodiment, the inner diameter of the cylindrical part of the coupler 4 is matched with the outer diameter of the sintering hanging rod 5, and the minimum inner diameter of the conical part is matched with the outer diameter of the quartz guide rod 1.
In one embodiment, the third opening and the fourth opening of the first opening and the second opening are distributed in parallel up and down two by two.
In one embodiment, the upper quartz rod 9 is a cylindrical structure with an outer diameter that is matched to the inner diameter of the sintered adapter 6.
In one embodiment, the first pin 7 and the second pin 8 are cylindrical pins.
In order to improve the tightness of the device, in one embodiment, the quartz disc 3 is covered with a sealing aluminum plate 2.
In one embodiment, the coupler 4, the sintering hanging rod 5, the sintering adapter 6, the first plug 7 and the second plug 8 are made of silicon nitride materials and can resist high temperature, so that the end position of the sintering process of the powder rod loose body is increased, the sintering of the upper part of the powder rod loose body is more thorough, and the effective wire drawing part of the optical fiber preform is improved.
The utility model has the advantages that: the utility model discloses excellent device is hung in optical fiber perform sintering, the combination uses when hanging the stick on double-jack structure adapter and the double jack, both can avoid the damaged loose body unable sintering of powder stick that causes in the OVD deposit process of first bolt hole, leads to the condemned condition of prefabricated stick to take place, can dual anti-drop again cause the loose body of powder stick to drop, pound the condition of wearing sintering muffle pipe.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides an optical fiber perform sintering peg device, its characterized in that includes quartzy pin (1), quartz disc (3), coupler (4), sintering peg (5), sintering adapter (6) that from top to bottom set gradually, goes up quartzy loose body (10) of stick (9) and powder stick, sintering peg (5) are fixed respectively from top to bottom quartzy pin (1) and sintering adapter (6), still connect between quartzy pin (1) and sintering adapter (6) coupler (4), sintering adapter (6) lower extreme be equipped with the column sleeve pipe, set up respectively on the column sleeve pipe casing wall and run through the sleeve pipe and perpendicular to first trompil and the second trompil of sintering peg (5) the central axis, loose body (10) upper end of powder stick fixed go up quartzy stick (9), go up quartzy being equipped with the third trompil and the fourth trompil of perpendicular to sintering peg (5) the central axis on stick (9), a first bolt (7) is inserted into and connected with the first opening and the third opening, and a second bolt (8) is inserted into and connected with the second opening and the fourth opening.
2. The optical fiber preform sintering hanging rod device according to claim 1, wherein the quartz guide rod (1) is of a hollow cylindrical structure, and the sintering hanging rod (5) is of a hollow structure.
3. The optical fiber preform rod sintering hanging device as claimed in claim 2, wherein the lower end of the quartz guide rod (1) and the upper end of the sintering adapter (6) are respectively provided with an annular boss, and the upper end and the lower end of the sintering hanging rod (5) are respectively provided with an annular groove matched with the annular bosses of the quartz guide rod (1) and the sintering adapter (6).
4. The optical fiber preform sintering hanging rod device according to claim 1, wherein the coupler (4) is a sleeve with a conical top and a cylindrical bottom, and the inner diameter of the conical part is gradually reduced from bottom to top.
5. The optical fiber preform sintering hanger apparatus according to claim 4, wherein the inner diameter of the cylindrical portion of the coupler (4) is adapted to the outer diameter of the sintering hanger (5), and the minimum inner diameter of the tapered portion is adapted to the outer diameter of the quartz guide rod (1).
6. The apparatus of claim 1, wherein the first opening and the second opening, and the third opening and the fourth opening are arranged in parallel up and down.
7. The optical fiber preform sintering hanging rod device as claimed in claim 1, wherein the upper quartz handle rod (9) is of a cylindrical structure, and the outer diameter is matched with the inner diameter of the sintering adapter (6).
8. The optical fiber preform sintered rod hanging device according to claim 1, wherein the first pin (7) and the second pin (8) are cylindrical pins.
9. The optical fiber preform sintering hanging rod device according to the claim 1, characterized in that the quartz disc (3) is covered with a sealing aluminum plate (2).
10. The optical fiber preform rod sintering and hanging device according to claim 1, wherein the coupler (4), the sintering and hanging rod (5), the sintering adapter (6), the first plug (7) and the second plug (8) are made of silicon nitride.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021342745.3U CN213060657U (en) | 2020-07-10 | 2020-07-10 | Optical fiber perform sintering hanging rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021342745.3U CN213060657U (en) | 2020-07-10 | 2020-07-10 | Optical fiber perform sintering hanging rod device |
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| Publication Number | Publication Date |
|---|---|
| CN213060657U true CN213060657U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021342745.3U Expired - Fee Related CN213060657U (en) | 2020-07-10 | 2020-07-10 | Optical fiber perform sintering hanging rod device |
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| Country | Link |
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| CN (1) | CN213060657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014532A (en) * | 2021-12-13 | 2022-02-08 | 青海中利光纤技术有限公司 | Low-helium low-chlorine sintering device for optical fiber perform powder body sintering process |
-
2020
- 2020-07-10 CN CN202021342745.3U patent/CN213060657U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014532A (en) * | 2021-12-13 | 2022-02-08 | 青海中利光纤技术有限公司 | Low-helium low-chlorine sintering device for optical fiber perform powder body sintering process |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 |