CN212762829U - Optical fiber grinding device - Google Patents
Optical fiber grinding device Download PDFInfo
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- CN212762829U CN212762829U CN202020888123.4U CN202020888123U CN212762829U CN 212762829 U CN212762829 U CN 212762829U CN 202020888123 U CN202020888123 U CN 202020888123U CN 212762829 U CN212762829 U CN 212762829U
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Abstract
The utility model relates to an optical communication technical field, in particular to optic fibre grinder. The utility model provides an optic fibre grinder, is equipped with the abrasive disc including grinding the basin and grinding the tool, grinds the tool and including grinding the overcoat, grinding the inner core, axle sleeve lock pin and optic fibre fixed pressing plate, grinds the overcoat and passes through axle sleeve lock pin activity assembly with grinding the inner core, has seted up a plurality of optic fibre fixed slot on the grinding inner core outer wall, and optic fibre fixed pressing plate fixes on grinding the inner core outer wall for compress tightly the optic fibre subassembly of treating the grinding in the optic fibre fixed slot. The utility model discloses an optic fibre stationary platen fixes the optic fibre subassembly in the optic fibre fixed slot, simple structure, convenient operation, the angle design that grinding jig can grind as required is 0 degree and 8 degree grooves, utilizes the pure water medium through the corase grind, the fine grinding, the grinding of four processes of correct grinding and polishing, can ensure the roughness of fiber end face, improves the grinding quality, realizes the grinding and the polishing of low cost, high efficiency, superfine fiber core.
Description
Technical Field
The utility model relates to an optical communication technical field, in particular to optic fibre grinder.
Background
In the process of laser fiber coupling, the fiber end face is easy to be damaged or polluted, the light emitting efficiency is greatly reduced if the surface type of the cut fiber is not good, the grinding and polishing treatment is usually needed, and the end face grinding is a method for ensuring the light transmission quality. In the field of manufacturing optical fiber jumpers, a tail fiber grinding process with an insertion core is very mature, however, in some special fields, an optical fiber connector with the insertion core cannot be used due to the reliability of glue or other reasons, bare fibers such as high-power lasers and sensors are required to be directly used, the bare fibers need to be welded by installing metal capillary tubes and glass solders, the end faces need to be ground and polished after welding, the polishing process of the end faces of the optical fibers has obvious influence on the final quality of products, the roughness of the end faces can influence the light output power of lasers, the existing automatic grinding machine can only grind a slightly thicker optical fiber head, an ultrafine fiber core cannot be ground automatically, the traditional bare fiber grinding process is from a tail fiber array grinding process, generally, a plurality of optical fibers are fixed on a V-shaped groove, are ground by temporarily fixing the glue, and an adhesive is cleaned by a detergent after grinding is finished, the tail fiber subjected to grinding treatment can be suitable for low-power laser transmission application, the grinding angle is not easy to control, glue residues with pits and broken edges on the end surface are easy to absorb heat accumulation generated by laser, the burning loss of the end surface of the optical fiber is possible to occur, in addition, the subsequent process is troublesome due to glue solidification, so that the glue type and the detergent are not easy to select, a waxing fixing method is adopted by some companies, and finally, the cleaning is carried out by using isopropanol, and in short, the laser damage threshold value is easy to reduce due to the residues of organic matters.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving present current optic fibre and grinding through the fixed optic fibre of gluing agent, reuse detergent washs optic fibre, and the technology is complicated, grinds the easy impaired technical problem of angle not good control and optic fibre, provides an optic fibre grinder, simple structure, and convenient operation can ensure that the optic fibre terminal surface is smooth and level, improves the grinding quality, reduce cost.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the utility model provides an optic fibre grinder, is including grinding the basin and grinding the tool, be equipped with the lapping plate in the grinding basin, grind the tool and arrange the lapping plate in, grind the tool including grinding the overcoat, grinding the inner core, axle sleeve lock pin and optic fibre fixed pressing plate, grind the overcoat and pass through axle sleeve lock pin activity assembly with grinding the inner core, a plurality of optic fibre fixed slot has been seted up on the grinding inner core outer wall, optic fibre fixed pressing plate is fixed on grinding the inner core outer wall for compress tightly the optic fibre subassembly of treating the grinding in the optic fibre fixed slot.
Further, the grinding water tank comprises a water tank main body and a water faucet, a grinding tank is arranged in the middle of the water tank main body, a hollow tray is arranged in the grinding tank, a grinding pad is placed on the hollow tray, a grinding sheet is placed on the grinding pad, the water faucet is fixedly installed on the water tank main body, a water outlet of the water faucet is located above the grinding tank, and pure water is introduced into the water faucet.
Furthermore, four grinding positions are divided in the grinding groove, the four grinding positions are respectively and correspondingly provided with a water faucet, the four grinding positions are respectively provided with a hollow tray, a grinding pad is placed on the hollow tray, and a grinding sheet is placed on the grinding pad.
Further, the specification of abrasive sheet is 10um, 3um, 1um and 0.02um in proper order.
Furthermore, a silica gel pad is arranged on one side of the optical fiber fixing pressing plate opposite to the grinding inner core.
Furthermore, the lower part of the grinding inner core is of a square structure, and optical fiber fixing grooves are formed in the periphery of the square structure respectively.
Further, the optical fiber fixing groove is a V-shaped groove, and an included angle between the V-shaped groove and the bottom surface of the grinding inner core is 90 degrees or 82 degrees.
Further, the weight of the grinding inner core is 300 +/-5 g.
Furthermore, the material of the grinding pad is toughened glass.
The utility model discloses grinding jig passes through optic fibre fixed pressing plate and fixes the optic fibre subassembly in the optic fibre fixed slot, simple structure, convenient operation, and grinding jig designs 0 degree groove and oblique 8 degree grooves, can select to grind into plain end face or oblique 8 degree face with the optic fibre terminal surface, carries out thick through grinding jig and utilizing the pure water to carry out for the mediumMillThe grinding of the four processes of fine grinding, fine grinding and polishing can ensure the flatness of the end face of the optical fiber and no scratch on the end face, improve the grinding quality and realize the grinding and polishing of the superfine fiber core with low cost and high efficiency.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is a top view of the structure of the present invention.
Fig. 3 is a structural diagram 1 of the grinding jig of the present invention.
Fig. 4 is a structural diagram 2 of the grinding jig of the present invention.
Fig. 5 is a top view of the grinding jig of the present invention.
Fig. 6 is a partially enlarged view of fig. 5.
In the figure: 1. the manufacturing method comprises the steps of grinding a water tank, 11 parts of a water tank main body, 12 parts of a water faucet, 13 parts of an empty tray, 14 parts of toughened glass, 2 parts of a grinding jig, 21 parts of a grinding outer sleeve, 22 parts of a grinding inner core, 23 parts of a shaft sleeve inserting core, 24 parts of an optical fiber fixing V-shaped groove, 25 parts of an optical fiber fixing pressing plate, 26 parts of an optical fiber fixing screw, 3 parts of an optical fiber assembly, 31 parts of an optical fiber core and 32 parts of a metal capillary tube.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples, but the present invention is not limited to the specific examples.
An optical fiber grinding device as shown in fig. 1-6, including a grinding water tank 1 and a grinding fixture 2, the grinding water tank 1 includes a water tank main body 11 and a water faucet 12, a grinding tank is provided in the middle of the water tank main body 11, the grinding tank is divided into four grinding positions, each grinding position is provided with a hollow tray 13, a grinding pad is placed on the hollow tray 13, the grinding pad is made of toughened glass 14, each toughened glass 14 is provided with a grinding sheet, the grinding sheets are 10um, 3um, 1um and 0.02um in sequence, the four grinding positions are respectively provided with a water faucet 12, the water faucet 12 is fixedly installed on the water tank main body 1, a water outlet is located above the grinding position, pure water is introduced into the water faucet 12, the grinding fixture 2 includes a grinding outer sleeve 21, a grinding inner core 22, a shaft sleeve insert 23 and an optical fiber fixing pressing plate 25, the grinding outer sleeve 21, the grinding inner, The shaft sleeve insertion core 23 and the optical fiber fixing pressure plate 25 are both made of Kovar alloy materials, the grinding outer sleeve 21 and the grinding inner core 22 are movably assembled through the shaft sleeve insertion core 23, the weight of the grinding inner core 22 is 300 +/-5 g, the grinding surface and the grinding sheet on the glass are kept horizontal and fixed with 300g pressure naturally under the gravity of 300g per se through the shaft sleeve insertion core 23, the lower part of the grinding inner core 22 is of a square structure, an optical fiber fixing V-shaped groove 24 is respectively arranged on the periphery of the square structure, the included angle between the V-shaped groove and the bottom surface of the grinding inner core 22 is 90 degrees or 82 degrees, the end surface of the optical fiber after grinding is a flat end surface or an inclined 8-degree surface, one side of the optical fiber fixing pressing plate 25, which is opposite to the grinding inner core 22, is pasted with a layer of silica gel pad, to prevent damage to the optical fiber, an optical fiber fixing pressure plate 25 is fixed on the outer wall of the grinding inner core 22 by a pressure plate fixing screw 26, and is used for pressing the optical fiber assembly 3 to be ground in the optical fiber fixing V-groove 24.
Adopt the utility model discloses an optic fibre grinder's grinding method includes following step:
1. stripping the optical fiber: the optical fiber is cut by an optical fiber pliers, and the outer skin and the coating layer of the optical fiber are stripped by the optical fiber hot stripping pliers.
2. Preparing an optical fiber: the stripped optical fiber core 31 is sleeved with a metal capillary 32 and low-temperature glass solder, the optical fiber component 3 is manufactured by welding through pulse heating, and then an optical fiber cutting pen is used for cutting off redundant fiber heads.
3. And (3) grinding the optical fiber: putting the prepared optical fiber component 3 into an optical fiber fixing V-shaped groove 24 of a jig, pressing the optical fiber component 3 by using an optical fiber fixing pressing plate 25 to enable the end face and the grinding face of a grinding inner core 22 to be horizontal, fixing the optical fiber fixing pressing plate 25 by using two pressing plate fixing screws 26, fixing the upper part of the optical fiber component 3 along the grinding jig 2 by using adhesive tapes, processing a 0-degree or 8-degree V-shaped groove on the grinding jig 2 according to the diameter of the optical fiber and the angle to be ground, namely enabling the included angle between the V-shaped groove and the bottom face of the grinding inner core 22 to be 90 degrees or 82 degrees, enabling the end face of the optical fiber after grinding to be a flat end face or an inclined 8-degree face, simultaneously installing 4 optical fibers for grinding, connecting 4 water taps 12 on a customized grinding water tank 1 into a pure water system, respectively placing 4 horizontal toughened glass 14 on 4 stainless steel emptying trays 13, respectively placing 4 grinding sheets with different grades on 4 toughened glass 14, and respectively placing 4 coarse, The grinding inner core 22 of the optical fiber grinding jig 2 naturally enables a grinding surface and a grinding sheet on glass to be kept horizontal under the gravity of 300g of the grinding inner core 22 through a shaft sleeve inserting core 23, a water tap is opened, 8-shaped grinding is carried out for 2 minutes by the grinding jig 2 from a first groove position in sequence, the optical fiber does not need to be detached after grinding, the end face quality is directly checked on the grinding jig 2 through a special CCD, the optical fiber is found to be unqualified, the grinding can be repeated from the first groove position until the optical fiber is qualified, the optical fiber is detached for standby, the grinding quality of 100% can be guaranteed, and the rework process is reduced.
The consumables and grinding process used were as follows:
| procedure (ii) | Polishing pad | Polishing sheet | Grinding media | GrindingSpeed of rotation | Grinding pressure | Grinding time | |
| Coarse grinding | Tempered glass | 10um | Pure water | 60 times/ | 300g | 2 minutes | |
| Fine grinding | Tempered glass | 3um | Pure water | 60 times/ | 300g | 2 minutes | |
| Finish grinding | Tempered glass | 1um | Pure water | 60 times/ | 300g | 2 minutes | |
| Polishing of | Tempered glass | 0.02um | Pure water | 60 times/ | 300g | 2 minutes |
The above description is further detailed in connection with the preferred embodiments of the present invention, and it is not intended that the specific embodiments of the present invention be limited to these descriptions. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses a under the prerequisite of the design, can also make simple deduction and replacement, all should regard as the utility model discloses a protection scope.
Claims (9)
1. An optical fiber polishing apparatus characterized in that: including grinding the basin and grinding the tool, be equipped with the abrasive disc in the grinding basin, grind the tool including grinding the overcoat, grinding the inner core, axle sleeve lock pin and optic fibre fixed pressing plate, grind the overcoat and pass through axle sleeve lock pin activity assembly with grinding the inner core, a plurality of optic fibre fixed slot has been seted up on the grinding inner core outer wall, optic fibre fixed pressing plate fixes on grinding the inner core outer wall for compress tightly the optic fibre subassembly of treating the grinding in the optic fibre fixed slot.
2. An optical fiber polishing device according to claim 1, wherein: the grinding water tank comprises a water tank main body and a water faucet, a grinding tank is arranged in the middle of the water tank main body, an empty leaking tray is arranged in the grinding tank, a grinding pad is placed on the empty leaking tray, a grinding sheet is placed on the grinding pad, the water faucet is fixedly installed on the water tank main body, a water outlet of the water faucet is located above the grinding tank, and pure water is introduced into the water faucet.
3. An optical fiber polishing device according to claim 2, wherein: the grinding groove is internally divided into four grinding positions, the four grinding positions are respectively and correspondingly provided with a faucet, and the four grinding positions are respectively provided with a leakage tray.
4. An optical fiber polishing apparatus according to claim 3, wherein: the specification of abrasive sheet is 10um, 3um, 1um and 0.02um in proper order.
5. The optical fiber polishing device according to any one of claims 1 to 4, wherein: and a silica gel pad is arranged on one side of the optical fiber fixing pressing plate opposite to the grinding inner core.
6. The optical fiber polishing device according to any one of claims 1 to 4, wherein: the lower part of the grinding inner core is of a square structure, and optical fiber fixing grooves are formed in the periphery of the square structure respectively.
7. The optical fiber polishing device according to any one of claims 1 to 4, wherein: the optical fiber fixing groove is a V-shaped groove, and an included angle between the V-shaped groove and the bottom surface of the grinding inner core is 90 degrees or 82 degrees.
8. The optical fiber polishing device according to any one of claims 1 to 4, wherein: the weight of the grinding inner core is 300 +/-5 g.
9. The optical fiber polishing device according to any one of claims 2 to 4, wherein: the grinding pad is made of toughened glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020888123.4U CN212762829U (en) | 2020-05-25 | 2020-05-25 | Optical fiber grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020888123.4U CN212762829U (en) | 2020-05-25 | 2020-05-25 | Optical fiber grinding device |
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| CN212762829U true CN212762829U (en) | 2021-03-23 |
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| CN202020888123.4U Active CN212762829U (en) | 2020-05-25 | 2020-05-25 | Optical fiber grinding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113985529A (en) * | 2021-11-26 | 2022-01-28 | 湖南玖芯光电科技有限公司 | Multi-core optical fiber end face grinding method |
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2020
- 2020-05-25 CN CN202020888123.4U patent/CN212762829U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113985529A (en) * | 2021-11-26 | 2022-01-28 | 湖南玖芯光电科技有限公司 | Multi-core optical fiber end face grinding method |
| CN113985529B (en) * | 2021-11-26 | 2023-12-12 | 湖南玖芯光电科技有限公司 | Multi-core optical fiber end face grinding method |
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