CN217973006U - Loose body of optical fiber perform sweeps device - Google Patents

Abstract

The utility model discloses a loose body of optical fiber perform sweeps device relates to optical fiber perform's processing equipment technical field, including the burden cabin, the cabin cover, brace, driving piece, collecting pipe, air exhaust equipment, blowing pipe, air supply equipment, the up end of burden cabin is equipped with uncovered and is used for sheltering from open cabin cover, is equipped with the brace that is used for supporting optical fiber perform in the negative pressure cabin, is equipped with outside the negative pressure cabin to be used for driving optical fiber perform pivoted driving piece, the lower extreme of burden cabin is equipped with the collecting pipe, the collecting pipe is connected with air exhaust equipment, is equipped with one row at least blowing pipe in the cabin cover, the blowing pipe is connected with air supply equipment. The utility model discloses can avoid damaging the plug when getting rid of loose body.

Description

Loose body of optical fiber perform sweeps device

Technical Field

The utility model relates to an optical fiber perform's processing equipment technical field, concretely relates to loose body of optical fiber perform sweeps device.

Background

Optical fiber preform refers to a preform of material that can be used to draw an optical fiber.

Currently, the most common manufacturing process for optical fiber preforms is the axial vapor deposition process (VAD process) combined with the outside vapor deposition process (OVD process). The core rod is produced using an axial vapor deposition process (VAD process). Attaching SiO to the surface of a core rod using an outside vapor deposition process (OVD process) ₂ And (3) forming a loose body by using the powder, and sintering the loose body by using a sintering furnace to prepare the optical fiber preform.

When the OVD process is used for manufacturing the loose body, the loose body is cracked, secondary deposition cannot be carried out after the loose body is cracked, and sintering cannot be carried out after the loose body is cracked, so that the optical fiber preform is scrapped, raw materials are greatly wasted, and the cost is increased.

In this regard, the cracked loose body is usually peeled off by manual peeling to reuse the mandrel.

However, manual peeling has significant disadvantages: when the cracked loose body is peeled off, damage may be caused to the core rod, for example, scratches and bumps may be caused to the core rod. Therefore, the situation that the number of breakpoints is increased when the wire drawing is performed again by the aid of the core rod after deposition is achieved, product quality is affected, and labor of workers is delayed.

Therefore, how to remove the loose body and avoid damaging the core rod is a technical problem to be urgently solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is not enough to the above-mentioned that prior art exists, provides an optical fiber perform loose body and sweeps device, the utility model discloses can avoid damaging the plug when getting rid of loose body.

In order to realize the purpose, the utility model discloses a technical scheme be:

the utility model provides a loose body of optical fiber perform sweeps device, including the burden cabin, the cabin cover, a brace, the driving piece, the collecting pipe, air exhaust equipment, the blowing pipe, air feeder, the up end in burden cabin is equipped with uncovered and is used for sheltering from open cabin cover, be equipped with the brace that is used for supporting optical fiber perform in the negative pressure cabin, the negative pressure cabin is equipped with outward and is used for driving optical fiber perform pivoted driving piece, the lower extreme in burden cabin is equipped with the collecting pipe, the collecting pipe is connected with air exhaust equipment, be equipped with one row at least blowing pipe in the cabin cover, the blowing pipe is connected with air feeder.

Furthermore, each row of the blowpipes are arranged in an arch shape.

Furthermore, the blowpipes comprise an outer pipe and an inner pipe which are sleeved with each other, the cabin cover is provided with mounting holes, the outer pipe is arranged in the mounting holes, the upper ends of the inner pipes extend out of the cabin cover, the upper ends of the inner pipes are connected with the air supply device, the upper ends of the inner pipes in all the blowpipes are connected with the linkage rod, the linkage rod is connected with the cabin cover through the lifting device, and the lower ends of the blowpipes extend into the cabin cover.

Furthermore, the lateral wall of inner tube is equipped with the draw-in groove, is equipped with the sealing washer in the draw-in groove.

Furthermore, the lower part of the negative pressure cabin adopts a funnel-shaped structure, and the collecting pipe is arranged at the lowest end of the funnel-shaped structure.

Furthermore, the brace comprises a shell, wheel carriers and rollers, wherein the shell is connected with the negative pressure chamber, the shell is provided with insertion holes, the shell is internally provided with the plurality of wheel carriers and the rollers, and wheel shafts of the rollers are rotatably connected with the wheel carriers.

Furthermore, the driving piece adopts a hollow shaft motor, a motor shaft of the hollow shaft motor extends into the shell, the motor shaft of the hollow shaft motor is connected with the end part of the optical fiber perform rod through a fastening piece, and an operation hole used for exposing the fastening piece is arranged on the shell.

The utility model discloses beneficial effect who has:

1. compare loose body with artifical stripping in the background art, the utility model discloses a device sweeps the device, can utilize the air current to sweep loose body, and the air current sweeps the difficult damage plug to can avoid taking place the condition that the breakpoint increases when the wire drawing after the deposit is carried out once more to multiplexing plug, help ensureing the product quality, reduce the loss of personnel energy.

2. The utility model discloses a blow and sweep the loose body of device uses the air current to blow and sweep, gets rid of loose body and keeps the workshop health more easily than using rivers.

3. The utility model discloses an among the purging device, be the arch through letting every row of blowing pipe arrange, not only can let the air-out end of blowing pipe gather to the middle part, be favorable to improving wind-force, can also more adapt to optical fiber perform's surperficial radian, be favorable to improving the effect of getting rid of to loose body.

4. The utility model discloses an among the purging device, including inner tube and outer tube through letting the blowing pipe, and let all inner tubes be connected with the gangbar that can receive the jacking equipment drive, can let the inner tube that moves down more be close to the optical fiber perform through the decline of gangbar to can improve and blow to the wind-force of optical fiber perform, be favorable to further improving the effect of blowing to the loose body of optical fiber perform.

5. The utility model discloses an among the device sweeps, adopt the infundibulate structure through the lower part that lets the burden cabin, can conveniently collect and peel off the loose body that gets off to the convenient loose body of passing through the collecting pipe is collected.

Drawings

FIG. 1 is a schematic structural view of a blowing apparatus for a loose body of an optical fiber preform according to example 1;

FIG. 2 is a schematic view showing the use of the apparatus for blowing a soot body of an optical fiber preform according to example 1;

FIG. 3 is a first schematic view showing an assembly structure of the negative pressure cabin, the brace, the hollow shaft motor and the collecting pipe in the embodiment 1;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic view showing an assembly structure of the negative pressure cabin, the brace, the hollow shaft motor and the collecting pipe in the embodiment 1;

FIG. 6 is a partial enlarged view at B in FIG. 5;

FIG. 7 is a schematic view showing an assembly structure of the negative pressure chamber, the hollow shaft motor and the collecting pipe in the embodiment 1;

FIG. 8 is an enlarged view of a portion of FIG. 7 at C;

FIG. 9 is a schematic view of the structure of a hatch cover according to embodiment 2;

FIG. 10 is a full sectional view of the hatch of embodiment 2;

fig. 11 is a partially enlarged view at D in fig. 10.

Description of reference numerals:

1-negative pressure cabin, 11-open mouth, 12-avoiding hole, 13-funnel structure,

2-hatch, 21-observation window, 22-installation hole,

3-brace, 31-shell, 311-jack, 312-operation hole, 32-wheel frame, 33-roller, 331-wheel shaft,

4-hollow shaft motor, 41-motor shaft, 411-screw hole, 412-bolt,

5-a collecting pipe is arranged on the upper portion of the collector pipe,

6-air extraction equipment, 61-an exhaust fan, 62-a filter,

7-a blowing pipe, 71-an outer pipe, 72-an inner pipe, 721-a clamping groove, 722-a sealing ring, 723-a linkage rod, 724-a lifting device,

8-air supply equipment, 81-air compressor, 82-air storage tank,

9-optical fiber prefabricated rod, 91-loose body.

Detailed Description

For a better understanding of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings. It is noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1:

as shown in fig. 1-8, the blowing device for the loose body of the optical fiber preform rod comprises a negative pressure cabin 1, a cabin cover 2, a support 3, a driving piece, a collecting pipe 5, an air pumping device 6, a blowing pipe 7 and an air supply device 8.

The upper end face of the negative pressure cabin 1 is provided with an opening 11, and the opening 11 allows a worker to take and place the optical fiber preform 9 in the negative pressure cabin 1.

The upper end surface of the negative pressure cabin 1 is also provided with a cabin cover 2, and the cabin cover 2 is used for shielding the opening 11. After opening the hatch 2, the opening 11 may be exposed to allow a worker to access the optical fiber preform 9 inside the negative pressure compartment 1.

In order to facilitate observation of the inside of the negative pressure chamber 1, an observation window 21 is further installed in the cover 2.

The hatch cover 2 is provided with at least one row of mounting holes 22, the mounting holes 22 are internally provided with blowpipes 7, and the blowpipes 7 are used for blowing loose bodies 91 on the optical fiber preform rods 9.

The blowpipe 7 is connected to an air supply device 8, and the air supply device 8 is used for supplying compressed air into the blowpipe 7. The air supply device 8 comprises an air compressor 81 and an air storage tank 82, the air compressor 81 can be directly placed on the ground or can be installed on the outer side of the bulkhead of the negative pressure cabin 1, the compressed air outlet end of the air compressor 81 is connected with the air inlet end of the air storage tank 82 through a pipeline, and the air outlet end of the air storage tank 82 is connected with the blowing pipe 7 through a pipeline.

In order to improve the effect of getting rid of the loose body 91 of blowing pipe 7, every row of blowing pipe 7 adopts the arch to arrange the setting, is the arch at every row of blowing pipe 7 and arranges after, not only can let the air-out end of blowing pipe 7 gather to the middle part, is favorable to improving wind-force, can also more adapt to optical fiber perform 9's surface radian, is favorable to improving the effect of getting rid of the loose body 91.

Two braces 3 are installed in the negative pressure cabin 1, and are brace 3a and brace 3b respectively, and brace 3a is used for supporting the left end of optical fiber perform 9, and brace 3b is used for supporting the right end of optical fiber perform 9.

Both the braces 3 comprise a housing 31, a wheel carrier 32, and a roller 33. The shell 31 and the bulkhead of the negative pressure chamber 1 are installed together, the shell 31 is provided with an insertion hole 311, the insertion hole 311 can be inserted by the end of the optical fiber preform rod 9, the shell 31 is internally provided with a plurality of wheel frames 32 and rollers 33, the wheel frames 32 are installed on the inner wall of the shell 31, and the wheel shafts 331 of the rollers 33 are rotatably connected with the wheel frames 32.

When the end of the optical fiber perform 9 is supported by the brace 3, the worker inserts the end of the optical fiber perform 9 into the jack 311 and the center surrounded by the plurality of rollers 33 in sequence, so that the end of the optical fiber perform 9 is supported by the rollers 33 in the brace 3.

The driving part is installed outside the negative pressure cabin 1 and is used for driving the optical fiber perform rod 9 to rotate. The driving member can be a hollow shaft motor 4, the hollow shaft motor 4 refers to a motor whose motor shaft 41 is a hollow metal tube, and the hollow shaft motor 4 is a motor commonly available on the market and known to those skilled in the art. The chassis of the hollow shaft motor 4 is installed outside the bulkhead of the negative pressure cabin 1, and the motor shaft 41 of the hollow shaft motor 4 passes through the clearance hole 12 arranged on the bulkhead of the negative pressure cabin 1 and then extends into the shell 31 of the brace 3 a.

When the driving member is used to drive the optical fiber preform 9 to rotate, the left end of the optical fiber preform 9 needs to be inserted into the motor shaft 41 of the hollow shaft motor 4, and the motor shaft 41 is fixed with the optical fiber preform 9 by a fastening member. The housing 31 of the brace 3a is provided with an operation hole 312 for exposing the fastener.

Specifically, the fastening member may adopt a bolt 412, the motor shaft 41 is provided with a screw hole 411, and after the left end of the optical fiber preform 9 is inserted into the motor shaft 41, the bolt 412 may pass through the operation hole 312 and be screwed into the screw hole 411, so that the bolt 412 presses the left end of the optical fiber preform 9 in the motor shaft 41, and the left end of the optical fiber preform 9 and the motor shaft 41 of the hollow shaft motor 4 may be fixed. After the hollow shaft motor 4 is started, the motor shaft 41 can rotate together with the optical fiber preform 9.

The lower part of the negative pressure cabin 1 adopts a funnel-shaped structure 13, and the lowest end of the funnel-shaped structure 13 is provided with a collecting pipe 5. Funnel-shaped structure 13 can conveniently collect loose body 91 of peeling off to conveniently collect loose body 91 through collecting pipe 5.

The collecting pipe 5 is connected with an air extracting device 6, and the air extracting device 6 is used for providing a negative pressure environment for the negative pressure cabin 1 so as to enable the loose body 91 in the negative pressure cabin 1 to flow out of the collecting pipe 5. The air extraction device 6 comprises an exhaust fan 61 and a filter 62, the collecting pipe 5 is connected to the air inlet end of the exhaust fan 61 at the end far away from the negative pressure cabin 1, the air outlet end of the exhaust fan 61 is connected with the filter 62 through a pipeline, and the air containing the loose bodies 91 in the negative pressure cabin 1 can be discharged outside after being filtered by the filter 62.

The process of removing the cracked loose body 91 by using the purging device of the embodiment is as follows:

1) First, a worker opens the hatch 2; then, the worker inserts the left end of the optical fiber preform rod 9 cracked by the loosening body 91 into the brace 3a and the motor shaft 41 of the hollow shaft motor 4 until the right end of the optical fiber preform rod 9 can correspond to the insertion hole 311 on the shell 31 in the brace 3 b; next, the worker inserts the right end of the optical fiber preform 9 into the holder 3b to the right, and takes care not to detach the left end of the optical fiber preform 9 from the motor shaft 41; secondly, the worker screws the bolt 412 into the screw hole 411 of the motor shaft 41, so that the left end of the optical fiber preform 9 is pressed in the motor shaft 41 by the bolt 412; finally, the worker closes the hatch 2.

2) The workman starts hollow shaft motor 4, air feeder 8, air exhaust equipment 6, hollow shaft motor 4 drives optical fiber perform 9 and rotates, and air feeder 8 is carried compressed air for blowing pipe 7, and the loose body 91 on optical fiber perform 9 surface is swept down to the wind that blowing pipe 7 blew out for optical fiber perform 9's plug exposes, and the air that contains loose body 91 gets into filter 62 from collecting pipe 5 under the air exhauster 61 effect in air exhaust equipment 6, filters the back through filter 62, and the air is arranged outward. And after purging, the hollow shaft motor 4, the gas supply equipment 8 and the gas extraction equipment 6 are closed.

3) First, a worker opens the hatch 2; then, the worker screws the bolt 412 on the motor shaft 41 off, horizontally moves the optical fiber perform 9 to the right, so that the left end of the optical fiber perform 9 exits from the motor shaft 41 and the brace 3a, moves the optical fiber perform 9 to the left upper side, and exits from the brace 3b, so that the optical fiber perform 9 can be taken out from the negative pressure chamber 1.

Through the process, compared with the method for manually stripping the loose body 91 in the background technology, the purging device of the embodiment can purge the loose body 91 by utilizing the air flow, the core rod is not easily damaged by the air flow purging, so that the situation that the number of breakpoints is increased is avoided when the reused core rod is subjected to wire drawing after deposition again, the product quality is guaranteed, and the energy loss of personnel is reduced.

In addition, using a gas stream to sweep the loose body 91 makes it easier to maintain plant hygiene than using a water stream to remove the loose body 91.

Example 2:

as shown in fig. 9-11, the present embodiment 2 is further improved on the basis of embodiment 1:

the blowpipe 7 includes an outer pipe 71 and an inner pipe 72 that are fitted together, the outer pipe 71 being fitted in the fitting hole 22, the inner pipe 72 being slidable in the outer pipe 71 in the axial direction of the outer pipe 71. In order to improve the sealing performance between the inner tube 72 and the outer tube 71, a locking slot 721 is provided on the outer side wall of the inner tube 72, and a sealing ring 722 is provided in the locking slot 721. The upper end of the inner pipe 72 extends out of the hatch cover 2, the upper end of the inner pipe 72 is connected with the air outlet end of the air storage tank 82 through a pipeline, and the lower end of the air blowing pipe 7 extends into the hatch cover 2. The upper ends of the inner pipes 72 in all the blowpipes 7 are mounted together with a linkage rod 723, a lifting device 724 for driving the linkage rod 723 to lift is mounted on the hatch cover 2, and the lifting device 724 can adopt an electric push rod or an oil cylinder or an air cylinder.

When the lifting device 724 drives the linkage rod 723 to descend, the linkage rod 723 can drive the inner tube 72 to move downwards, and the inner tube 72 moving downwards can be closer to the optical fiber preform 9, so that the wind force blowing to the optical fiber preform 9 can be improved, and the blowing effect on the loose body 91 of the optical fiber preform 9 can be improved.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (7)

1. The utility model provides an optical fiber perform loose body sweeps device, a serial communication port, including the burden cabin, the cabin cover, a brace, the driving piece, the collecting pipe, air extracting equipment, the blowing pipe, air feeder, the up end in burden cabin is equipped with uncovered and is used for sheltering from open cabin cover, the burden cabin is equipped with the brace that is used for supporting optical fiber perform in the cabin, the burden cabin is equipped with outward and is used for driving optical fiber perform pivoted driving piece, the lower extreme in burden cabin is equipped with the collecting pipe, the collecting pipe is connected with air extracting equipment, be equipped with at least one row of blowing pipe in the cabin cover, the blowing pipe is connected with air feeder.

2. The blowing apparatus for blowing the loose body of the optical fiber preform according to claim 1, wherein each row of the blowing pipes is arranged in an arch shape.

3. The blowing device for the loose body of the optical fiber preform rod according to claim 1 or 2, wherein the blowing pipe comprises an outer pipe and an inner pipe which are sleeved with each other, the cabin cover is provided with a mounting hole, the outer pipe is arranged in the mounting hole, the upper end of the inner pipe extends out of the cabin cover, the upper end of the inner pipe is connected with the air supply device, the upper ends of the inner pipes in all the blowing pipes are connected with a linkage rod, the linkage rod is connected with the cabin cover through a lifting device, and the lower end of the blowing pipe extends into the cabin cover.

4. The blowing device for the loose body of the optical fiber preform rod as claimed in claim 3, wherein a groove is formed on an outer side wall of the inner tube, and a sealing ring is arranged in the groove.

5. The blowing device for the loose body of the optical fiber preform according to claim 1, wherein the lower part of the negative pressure chamber is in a funnel shape, and the collecting pipe is arranged at the lowest end of the funnel shape.

6. The blowing device for the loose body of the optical fiber preform rod as claimed in claim 1, wherein the holder comprises a housing, a wheel carrier, and a roller, the housing is connected to the negative pressure chamber, the housing is provided with a plurality of insertion holes, the housing is provided with a plurality of wheel carriers and a plurality of rollers, and the roller is rotatably connected to the wheel carrier.

7. The blowing device for the loose body of the optical fiber preform rod as claimed in claim 6, wherein the driving member is a hollow shaft motor, a motor shaft of the hollow shaft motor extends into the housing, the motor shaft of the hollow shaft motor is connected with the end of the optical fiber preform rod through a fastening member, and the housing is provided with an operation hole for exposing the fastening member.

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