CN109912191A - The manufacturing process of preform - Google Patents
The manufacturing process of preform Download PDFInfo
- Publication number
- CN109912191A CN109912191A CN201910298880.8A CN201910298880A CN109912191A CN 109912191 A CN109912191 A CN 109912191A CN 201910298880 A CN201910298880 A CN 201910298880A CN 109912191 A CN109912191 A CN 109912191A
- Authority
- CN
- China
- Prior art keywords
- blowtorch
- plug
- preform
- adjustable shelf
- auxiliary rod
- 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.)
- Granted
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Classifications
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- 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
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
-
- 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
- C03B37/014—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD]
- C03B37/018—Manufacture of preforms for drawing fibres or filaments made entirely or partially by chemical means, e.g. vapour phase deposition of bulk porous glass either by outside vapour deposition [OVD], or by outside vapour phase oxidation [OVPO] or by vapour axial deposition [VAD] by glass deposition on a glass substrate, e.g. by inside-, modified-, plasma-, or plasma modified- chemical vapour deposition [ICVD, MCVD, PCVD, PMCVD], i.e. by thin layer coating on the inside or outside of a glass tube or on a glass rod
- C03B37/01853—Thermal after-treatment of preforms, e.g. dehydrating, consolidating, sintering
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacture, Treatment Of Glass Fibers (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
This application discloses a kind of manufacturing process of preform, comprising: 1) in piece auxiliary rod of each welding in the both ends of plug, two auxiliary rods are clamped in respectively on two chucks；2) blowtorch below plug is arranged in move back and forth between side a and b along plug length direction, blowtorch makes plug outer surface precipitate loose media particle, the end A is located at plug first end and corresponding auxiliary rod intersection, and the end B is located at plug second end and corresponding auxiliary rod intersection；3) outer diameter of loose media is measured, and when every the increases a mm of outer diameter, when blowtorch is moved to the end A or the end B, controls blowtorch and move down a mm；4) step 2) and step 3) are repeated, until the outer diameter of loose media reaches setting value；5) operation is sintered to loose media obtained, finally sinters preform into.The application can be such that the distance between blowtorch socket and loose media is held essentially constant, and can effectively ensure that the deposition efficiency of silica dioxide granule.
Description
The application be the applying date be on February 15th, 2017, application No. is 201710081214.X, entitled " big ruler
The divisional application of the manufacturing process of very little preform ".
Technical field
The present invention relates to prefabricated rods fields, and in particular to the manufacturing process of large-scale optical fiber prefabricating stick.
Background technique
Large-scale optical fiber prefabricating stick typically refers to diameter in 120mm or more, preform of the length in 1500mm or more.
The technique of manufacture preform mainly has VAD, OVD, MCVD and PCVD etc., and VAD and OVD belong to external deposition method, and MCVD
Sedimentation in pipe is belonged to PCVD.Sedimentation production preform radial dimension is limited in managing, and the outer rule of pipe is unrestricted,
It can be used to make the biggish prefabricated rods of radial dimension, this has certain advantage in manufacturing cost.In VAD and OVD method,
Blowtorch by silicon tetrachloride or octamethylcy-clotetrasiloxane boil-off gas and oxygen mix, and with hydrogen (or methane gas) and oxygen
Flame sprays to the target rod of rotation together, and under thermal energy effect, raw material occurs hydrolysis and generates silica, silica dioxide granule
It is pyrolyzed powder dust particle being adsorbed in the target rod for the rotation for passing through flame from level to level generated, forms porous preform idiosome, it is raw
At porous preform idiosome by temperature range from 1100 DEG C to 1550 DEG C under the conditions of, be passed through desiccant (for example, chlorine)
The impurity such as hydroxyl-removal are removed, glass preform is sintered into, is then drawn into optical fiber.
When existing OVD legal system makes large-scale optical fiber prefabricating stick surrounding layer, blowtorch is moved back and forth along the length direction of plug, spray
The distance between lamp socket and prefabricated rods remain unchanged, and this processing method has the drawback that the progress with precipitating, prefabricated
Rod outside diameter can become larger, because blowtorch does not move down, will affect the deposition efficiency of silica dioxide granule.
Summary of the invention
The present invention proposes a kind of manufacturing process of large-scale optical fiber prefabricating stick in view of the above-mentioned problems, overcome deficiency.
The technical solution adopted by the present invention is as follows:
A kind of manufacturing process of large-scale optical fiber prefabricating stick, comprising:
1) in piece auxiliary rod of each welding in the both ends of plug, two auxiliary rods are clamped in respectively on two chucks, chuck
Drive auxiliary rod and plug rotation；
2) blowtorch below plug is arranged in move back and forth between side a and b along plug length direction, blowtorch makes plug
Loose media particle is precipitated in outer surface, and the end A is located at plug first end and corresponding auxiliary rod intersection, and the end B is located at plug
Second end and corresponding auxiliary rod intersection；
3) outer diameter of loose media is measured, and when every the increases a mm of outer diameter, when blowtorch is moved to the end A or the end B, control blowtorch
Move down a mm；
4) step 2) and step 3) are repeated, until the outer diameter of loose media reaches setting value；
5) operation is sintered to loose media obtained, finally sinters preform into.
The outer diameter of loose media is measured, and after loose media outer diameter increase, control blowtorch moves down, and operation in this way can make
The distance between blowtorch socket and loose media are held essentially constant, and can effectively ensure that the deposition efficiency of silica dioxide granule.
Optionally, the range of a is 2~5mm.
Optionally, while blowtorch work makes plug outer surface precipitate loose media particle, with flame heating plug and auxiliary
The junctional area of stick.
Blowtorch only moves between side a and b, therefore the temperature of loose media corresponding with plug is higher, and auxiliary rod temperature
Spend lower, the two temperature difference will affect the quality of loose media when larger, the junctional area of plug and auxiliary rod is heated by flame, can
The temperature difference for reducing loose media and auxiliary rod, is effectively ensured the quality of loose media.
Optionally, b DEG C of temperature of auxiliary rod is measured, loose media is measured adjacent to c DEG C of temperature of the auxiliary rod one end, acquires c-
The difference d of b reduces the supply flow rate of flame fuel when d is less than the lower limit value of setting range, when d is greater than the upper of setting range
When limit value, the supply flow rate of flame fuel is increased.
D is adjusted to setting range, when the temperature difference can be prevented larger or smaller, influences loose weight.
Optionally, the setting range is 0~50 DEG C.
Setting range can reduce fire in this way, under the premise of guaranteeing that auxiliary rod and loose media have the suitable temperature difference
The supply flow rate of flame fuel, effectively save resource.
Optionally, the step 1)~step 3) is carried out by surrounding layer equipment, and the surrounding layer equipment includes:
Lathe；
Two chucks being oppositely arranged are arranged in lathe, can rotate synchronously, and two chucks are for distinguishing clamping plug
The auxiliary rod at both ends；
The lower section of two chucks is arranged in adjustable shelf, and the both ends of adjustable shelf and machine tool slide cooperate, and adjustable shelf can be opposite
It is slided up and down in chuck；
First driving mechanism, for driving the adjustable shelf to slide up and down；
Blowtorch is movably arranged on adjustable shelf；
Second driving mechanism, for driving blowtorch to move back and forth on adjustable shelf；
Outside diameter measuring equipment, for measuring the outer diameter of loose media；
Two flame heating devices, for heating the junctional area of plug with corresponding auxiliary rod respectively；
Two groups of control devices cooperate with corresponding heating device respectively, and every group of control device includes the first temperature sensing
Instrument, second temperature survey meter and controller, first temperature sounder are used to measure the temperature of corresponding auxiliary rod, and described second
Temperature sounder is for measuring loose media adjacent to the temperature of corresponding auxiliary rod side, and the controller is according to second temperature survey meter
With the signal of the first temperature sounder feedback, the flame fuel supply flow rate of corresponding flame heating device is controlled.
Optionally, the lathe two sides are equipped with two pieces of partitions being vertically arranged, each partition side wall shape corresponding with lathe
At installation cavity, there is the strip-shaped hole being vertically arranged, the adjustable shelf both ends are each passed through corresponding strip-shaped hole and extend back on the partition
Enter in installation cavity, first driving mechanism is mounted in each installation cavity, the first driving mechanism includes:
The first guide rail being vertically arranged；
First feed screw nut is slidably arranged on the first guide rail, and one end that adjustable shelf protrudes into installation cavity is fixed on first
On stem nut；
The first screw rod being vertically arranged, is rotatably installed in installation cavity, and first screw rod passes through the first feed screw nut simultaneously
It is threadedly engaged with the first feed screw nut；
First driving motor drives the first feed screw nut reciprocal along the first guide rail for driving first screw rod to rotate
It is mobile.
First driving motor drives the first screw rod to rotate when rotating, so that the first feed screw nut of driving is reciprocal along the first guide rail
It is mobile, adjustable shelf can be driven to move up and down in strip-shaped hole location.
Optionally, first driving mechanism further include:
Side of the partition backwards to blowtorch, two L shape limits are arranged in two L shape positive stop strips being vertically arranged, L shape positive stop strip
Item and partition form sliding channel；
Movable plate is slidably arranged on the sliding channel, has the through-hole passed through for adjustable shelf end on movable plate.
Through-hole and adjustable shelf protrude into the body fit of installation cavity, and clear size of opening is less than the size of strip-shaped hole, strip-shaped hole
Length define the stroke of adjustable shelf；With active tunnel cooperation movable plate strip-shaped hole can be sheltered from, prevent air-flow from
Enter installation cavity in strip-shaped hole, moves up and down influence to lathe interior air-flow so as to reduce blowtorch.
Optionally, second driving mechanism includes:
Second guide rail, is fixed on adjustable shelf；
Second feed screw nut is slidably arranged on the second guide rail, and the blowtorch is fixed on the second feed screw nut；
Second screw rod, is rotatably installed on adjustable shelf, second screw rod pass through the second feed screw nut and with the second screw rod
It is threadedly engaged；
Second driving motor drives the second feed screw nut reciprocal along the second guide rail for driving second screw rod to rotate
It is mobile.
Optionally, second driving mechanism includes:
Third guide rail, is fixed on adjustable shelf；
Sliding shoe is slidably arranged on third guide rail, and the blowtorch is fixed on sliding shoe；
Cylinder is driven, drives the piston rod of cylinder and sliding shoe to cooperate, driving cylinder is for driving sliding shoe to lead along third
Rail moves back and forth.
The beneficial effects of the present invention are: the outer diameter of measurement loose media, and after loose media outer diameter increase, control blowtorch is downward
It is mobile, the distance between blowtorch socket and loose media can be made to be held essentially constant, can effectively ensure that silica dioxide granule
Deposition efficiency.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of surrounding layer equipment；
Fig. 2 is the schematic diagram of adjustable shelf and partition；
Fig. 3 is the schematic diagram of the first structure of the second driving mechanism；
Fig. 4 is the schematic diagram of second of structure of the second driving mechanism.
Each appended drawing reference in figure are as follows:
1, lathe；2, loose media；3, outside diameter measuring equipment；4, flame heating device；5, the first temperature sounder；6, second
Temperature sounder；7, auxiliary rod；8, adjustable shelf；9, blowtorch；10, chuck；11, partition；12, the first screw rod；13, the first guide rail；
14, movable plate；15, the first feed screw nut；16, the first driving motor；17, strip-shaped hole；18, L shape positive stop strip；19, sliding channel；
20, the second guide rail；21, the second driving motor；22, the second screw rod；23, the second feed screw nut；24, third guide rail；25, it slides
Block；26, cylinder is driven.
Specific embodiment:
Below with reference to each attached drawing, the present invention will be described in detail.
A kind of manufacturing process of large-scale optical fiber prefabricating stick, comprising:
1) in piece auxiliary rod of each welding in the both ends of plug, two auxiliary rods are clamped in respectively on two chucks, chuck
Drive auxiliary rod and plug rotation；
2) blowtorch below plug is arranged in move back and forth between side a and b along plug length direction, blowtorch makes plug
Loose media particle is precipitated in outer surface, and the end A is located at plug first end and corresponding auxiliary rod intersection, the end B be located at plug second end and
Corresponding auxiliary rod intersection；
3) outer diameter of loose media is measured, and when every the increases a mm of outer diameter, when blowtorch is moved to the end A or the end B, control blowtorch
Move down a mm；
4) step 2) and step 3) are repeated, until the outer diameter of loose media reaches setting value；
5) operation is sintered to loose media obtained, finally sinters preform into.
The outer diameter of loose media is measured, and after loose media outer diameter increase, control blowtorch moves down, and operation in this way can make
The distance between blowtorch socket and loose media are held essentially constant, and can effectively ensure that the deposition efficiency of silica dioxide granule.
In this present embodiment, the range of a is 2~5mm.
In this present embodiment, while blowtorch work makes plug outer surface precipitate loose media particle, plug is heated with flame
With the junctional area of auxiliary rod.Blowtorch only moves between side a and b, therefore the temperature of loose media corresponding with plug is higher, and
Auxiliary rod temperature is lower, and the two temperature difference will affect the quality of loose media when larger, and the friendship of plug and auxiliary rod is heated by flame
Battery limit (BL) can reduce the temperature difference of loose media and auxiliary rod, and the quality of loose media is effectively ensured.
In this present embodiment, b DEG C of temperature of auxiliary rod is measured, measures loose media adjacent to c DEG C of temperature of the auxiliary rod one end,
The difference d for acquiring c-b reduces the supply flow rate of flame fuel when d is less than the lower limit value of setting range, when d is greater than setting model
When the upper limit value enclosed, the supply flow rate of flame fuel is increased.D is adjusted to setting range, the temperature difference can be prevented larger or compared with
Hour, influence loose weight.
In this present embodiment, setting range is 0~50 DEG C.Setting range is in this way, guaranteeing auxiliary rod and loose media
Under the premise of with the suitable temperature difference, the supply flow rate of flame fuel, effectively save resource can reduce.
As illustrated in fig. 1 and 2, in this present embodiment, step 1)~step 3) is carried out by surrounding layer equipment, surrounding layer equipment
Include:
Lathe 1；
Two chucks 10 being oppositely arranged are arranged in lathe 1, can rotate synchronously, and two chucks 10 for blocking respectively
Hold the auxiliary rod 7 at plug both ends；
The lower section of two chucks 10 is arranged in adjustable shelf 8, and both ends and the lathe 1 of adjustable shelf 8 are slidably matched, 8 energy of adjustable shelf
It is enough to be slided up and down relative to chuck 10；
First driving mechanism, for driving adjustable shelf 8 to slide up and down；
Blowtorch 9 is movably arranged on adjustable shelf 8；
Second driving mechanism, for driving blowtorch 9 to move back and forth on adjustable shelf 8；
Outside diameter measuring equipment 3, for measuring the outer diameter of loose media 2；
Two flame heating devices 4, for heating the junctional area of plug with corresponding auxiliary rod 7 respectively；
Two groups of control devices cooperate with corresponding heating device respectively, and every group of control device includes the first temperature sensing
Instrument 5, second temperature survey meter 6 and controller, the first temperature sounder 5 are used to measure the temperature of corresponding auxiliary rod 7, second temperature
Survey meter 6 is for measuring loose media 2 adjacent to the temperature of corresponding 7 side of auxiliary rod, and controller is according to second temperature survey meter 6 and the
The signal of one temperature sounder 5 feedback controls the flame fuel supply flow rate of corresponding flame heating device 4.
In this present embodiment, 1 two sides of lathe are equipped with two pieces of partitions being vertically arranged 11, and each partition 11 is corresponding with lathe 1
Side wall form installation cavity, there is the strip-shaped hole 17 being vertically arranged, 8 both ends of adjustable shelf are each passed through corresponding strip-shaped hole on partition 11
It is protruded into installation cavity after 17, the first driving mechanism is mounted in each installation cavity, the first driving mechanism includes:
The first guide rail 13 being vertically arranged；
First feed screw nut 15 is slidably arranged on the first guide rail 13, and one end that adjustable shelf 8 protrudes into installation cavity is fixed on
On one feed screw nut 15；
The first screw rod 12 being vertically arranged, is rotatably installed in installation cavity, and the first screw rod 12 passes through the first feed screw nut 15
And it is threadedly engaged with the first feed screw nut；
First driving motor 16 drives the first feed screw nut 15 along the first guide rail 13 for driving the rotation of the first screw rod 12
It moves back and forth.
First driving motor 16 drives the first screw rod to rotate when rotating, so that the first feed screw nut 15 of driving is along the first guide rail
13 move back and forth, and adjustable shelf 8 can be driven to move up and down in 17 location of strip-shaped hole.
In this present embodiment, the first driving mechanism further include:
Two L shape positive stop strips 18 being vertically arranged, L shape positive stop strip 18 be arranged in partition 11 backwards to blowtorch 9 side, two
L shape positive stop strip 18 and partition 11 form sliding channel 19；
Movable plate 14 is slidably arranged on sliding channel 19, is had on movable plate 14 and is led to for what 8 end of adjustable shelf passed through
Hole.
Through-hole and adjustable shelf 8 protrude into the body fit of installation cavity, and clear size of opening is less than the size of strip-shaped hole 17, bar shaped
The length in hole 17 defines the stroke of adjustable shelf 8；Strip-shaped hole 17 can be sheltered from, be prevented with the movable plate 14 of active tunnel cooperation
Only air-flow enters installation cavity out of strip-shaped hole 17, moves up and down influence to 1 interior air-flow of lathe so as to reduce blowtorch 9.
As shown in figure 3, in this present embodiment, the second driving mechanism includes:
Second guide rail 20, is fixed on adjustable shelf 8；
Second feed screw nut 23 is slidably arranged on the second guide rail 20, and blowtorch 9 is fixed on the second feed screw nut 23；
Second screw rod 22, is rotatably installed on adjustable shelf 8, the second screw rod 22 pass through the second feed screw nut 23 and with second
Bar is threadedly engaged；
Second driving motor 21 drives the second feed screw nut 23 along the second guide rail 20 for driving the rotation of the second screw rod 22
It moves back and forth.
In other embodiments, the second driving mechanism can also be arranged as shown in Figure 4, and the second driving mechanism includes: at this time
Third guide rail 24 is fixed on adjustable shelf 8；
Sliding shoe 25 is slidably arranged on third guide rail 24, and blowtorch 9 is fixed on sliding shoe 25；
Cylinder 26 is driven, drives the piston rod of cylinder 26 and sliding shoe 25 to cooperate, driving cylinder 26 is for driving sliding shoe
25 move back and forth along third guide rail 24.
The above description is only a preferred embodiment of the present invention, not thereby limits scope of patent protection of the invention, all
It is directly or indirectly to be used in other relevant technologies with equivalent structure transformation made by description of the invention and accompanying drawing content
Field similarly includes within the scope of the present invention.
Claims (10)
1. a kind of manufacturing process of preform characterized by comprising
1) in piece auxiliary rod of each welding in the both ends of plug, two auxiliary rods are clamped in respectively on two chucks, chuck drives
Auxiliary rod and plug rotation；
2) blowtorch below plug is arranged in move back and forth between side a and b along plug length direction, blowtorch makes plug appearance
Loose media particle is precipitated in face, and the end A is located at plug first end and corresponding auxiliary rod intersection, and the end B is located at plug second
It holds and corresponding auxiliary rod intersection；
3) outer diameter of loose media is measured, and when every the increases a mm of outer diameter, when blowtorch is moved to the end A or the end B, it is downward controls blowtorch
Mobile a mm；
4) step 2) and step 3) are repeated, until the outer diameter of loose media reaches setting value；
5) operation is sintered to loose media obtained, finally sinters preform into.
2. the manufacturing process of preform as described in claim 1, which is characterized in that the range of a is 2~5mm.
3. the manufacturing process of preform as described in claim 1, which is characterized in that blowtorch work keeps plug outer surface heavy
While the loose media particle of shallow lake, with the junctional area of flame heating plug and auxiliary rod.
4. the manufacturing process of preform as claimed in claim 3, which is characterized in that measure b DEG C of temperature of auxiliary rod, survey
Loose media is obtained adjacent to c DEG C of temperature of the auxiliary rod one end, acquires the difference d of c-b, when d is less than the lower limit value of setting range, drop
The supply flow rate of low flame fuel increases the supply flow rate of flame fuel when d is more than the upper limit of setting range value.
5. the manufacturing process of preform as claimed in claim 4, which is characterized in that the setting range is 0~50 DEG C.
6. the manufacturing process of preform as claimed in claim 4, which is characterized in that the step 1)~step 3) passes through
Surrounding layer equipment carries out, and the surrounding layer equipment includes:
Lathe；
Two chucks being oppositely arranged are arranged in lathe, can rotate synchronously, and two chucks are for distinguishing clamping plug both ends
Auxiliary rod；
The lower section of two chucks is arranged in adjustable shelf, and the both ends of adjustable shelf and machine tool slide cooperate, and adjustable shelf can be relative to card
Disk slides up and down；
First driving mechanism, for driving the adjustable shelf to slide up and down；
Blowtorch is movably arranged on adjustable shelf；
Second driving mechanism, for driving blowtorch to move back and forth on adjustable shelf；
Outside diameter measuring equipment, for measuring the outer diameter of loose media；
Two flame heating devices, for heating the junctional area of plug with corresponding auxiliary rod respectively；
Two groups of control devices cooperate with corresponding heating device respectively, and every group of control device includes the first temperature sounder, the
Two temperature sounders and controller, first temperature sounder are used to measure the temperature of corresponding auxiliary rod, the second temperature
Survey meter is for measuring loose media adjacent to the temperature of corresponding auxiliary rod side, and the controller is according to second temperature survey meter and the
The signal of one temperature sounder feedback controls the flame fuel supply flow rate of corresponding flame heating device.
7. the manufacturing process of preform as claimed in claim 6, which is characterized in that the lathe two sides are equipped with two pieces
The partition being vertically arranged, each partition side wall corresponding with lathe form installation cavity, have the bar shaped being vertically arranged on the partition
Hole, the adjustable shelf both ends are protruded into installation cavity after being each passed through corresponding strip-shaped hole, and described first is mounted in each installation cavity
Driving mechanism, the first driving mechanism include:
The first guide rail being vertically arranged；
First feed screw nut is slidably arranged on the first guide rail, and one end that adjustable shelf protrudes into installation cavity is fixed on the first screw rod spiral shell
On mother；
The first screw rod being vertically arranged, is rotatably installed in installation cavity, and first screw rod passes through the first feed screw nut and with the
One feed screw nut is threadedly engaged；
First driving motor drives the first feed screw nut to move back and forth along the first guide rail for driving first screw rod to rotate.
8. the manufacturing process of preform as claimed in claim 7, which is characterized in that first driving mechanism is also wrapped
It includes:
Two L shape positive stop strips being vertically arranged, L shape positive stop strip are arranged in side of the partition backwards to blowtorch, two L shape positive stop strips with
Partition forms sliding channel；
Movable plate is slidably arranged on the sliding channel, has the through-hole passed through for adjustable shelf end on movable plate.
9. the manufacturing process of preform as claimed in claim 6, which is characterized in that second driving mechanism includes:
Second guide rail, is fixed on adjustable shelf；
Second feed screw nut is slidably arranged on the second guide rail, and the blowtorch is fixed on the second feed screw nut；
Second screw rod, is rotatably installed on adjustable shelf, second screw rod pass through the second feed screw nut and with the second wire rod thread
Cooperation；
Second driving motor drives the second feed screw nut to move back and forth along the second guide rail for driving second screw rod to rotate.
10. the manufacturing process of preform as claimed in claim 6, which is characterized in that second driving mechanism includes:
Third guide rail, is fixed on adjustable shelf；
Sliding shoe is slidably arranged on third guide rail, and the blowtorch is fixed on sliding shoe；
Cylinder is driven, drives the piston rod of cylinder and sliding shoe to cooperate, driving cylinder is for driving sliding shoe past along third guide rail
It is multiple mobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910298880.8A CN109912191B (en) | 2017-02-15 | 2017-02-15 | Manufacturing process of optical fiber preform |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910298880.8A CN109912191B (en) | 2017-02-15 | 2017-02-15 | Manufacturing process of optical fiber preform |
| CN201710081214.XA CN106892555B (en) | 2017-02-15 | 2017-02-15 | The manufacturing process of large-scale optical fiber prefabricating stick |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710081214.XA Division CN106892555B (en) | 2017-02-15 | 2017-02-15 | The manufacturing process of large-scale optical fiber prefabricating stick |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109912191A true CN109912191A (en) | 2019-06-21 |
| CN109912191B CN109912191B (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710081214.XA Active CN106892555B (en) | 2017-02-15 | 2017-02-15 | The manufacturing process of large-scale optical fiber prefabricating stick |
| CN201910298891.6A Active CN109987833B (en) | 2017-02-15 | 2017-02-15 | Manufacturing process of optical fiber preform |
| CN201910298880.8A Active CN109912191B (en) | 2017-02-15 | 2017-02-15 | Manufacturing process of optical fiber preform |
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| CN201710081214.XA Active CN106892555B (en) | 2017-02-15 | 2017-02-15 | The manufacturing process of large-scale optical fiber prefabricating stick |
| CN201910298891.6A Active CN109987833B (en) | 2017-02-15 | 2017-02-15 | Manufacturing process of optical fiber preform |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110342809A (en) * | 2019-07-29 | 2019-10-18 | 富通集团有限公司 | A kind of manufacturing process of prefabricated rods |
| CN110357411A (en) * | 2019-07-29 | 2019-10-22 | 富通集团有限公司 | The manufacturing process of prefabricated rods |
| CN110746107A (en) * | 2019-11-28 | 2020-02-04 | 杭州富通通信技术股份有限公司 | Method for manufacturing preform loose body |
| CN112939446A (en) * | 2021-03-29 | 2021-06-11 | 浙江富通光纤技术有限公司 | Method for manufacturing prefabricated rod |
| CN113698089A (en) * | 2021-08-02 | 2021-11-26 | 浙江富通光纤技术有限公司 | Machining method of core rod |
| CN114455826A (en) * | 2022-01-07 | 2022-05-10 | 富通集团有限公司 | Processing technology of prefabricated rod and optical fiber |
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| CN113735433B (en) * | 2018-08-08 | 2023-02-03 | 杭州富通通信技术股份有限公司 | Fusion splicing equipment for manufacturing optical fibers |
| CN110342808B (en) * | 2019-07-15 | 2021-09-21 | 富通集团（嘉善）通信技术有限公司 | Manufacturing process of optical fiber preform |
| CN112777929A (en) * | 2021-03-29 | 2021-05-11 | 浙江富通光纤技术有限公司 | Preform deposition method |
| CN115286233B (en) * | 2022-07-29 | 2023-11-21 | 富通集团有限公司 | Method and equipment for processing preform |
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| CN114455826A (en) * | 2022-01-07 | 2022-05-10 | 富通集团有限公司 | Processing technology of prefabricated rod and optical fiber |
| CN114455826B (en) * | 2022-01-07 | 2023-05-26 | 富通集团有限公司 | Processing technology of preform and optical fiber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109987833B (en) | 2021-08-06 |
| CN109912191B (en) | 2021-08-06 |
| CN106892555A (en) | 2017-06-27 |
| CN109987833A (en) | 2019-07-09 |
| CN106892555B (en) | 2019-05-24 |
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