CN112676062A - FA optical fiber end face coating clamp and using method thereof - Google Patents
FA optical fiber end face coating clamp and using method thereof Download PDFInfo
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- CN112676062A CN112676062A CN201910989608.4A CN201910989608A CN112676062A CN 112676062 A CN112676062 A CN 112676062A CN 201910989608 A CN201910989608 A CN 201910989608A CN 112676062 A CN112676062 A CN 112676062A
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Abstract
The invention discloses an FA optical fiber end face coating clamp which comprises a clamp base, a spring support, a compression spring and a pull rod, wherein a plurality of positioning grooves are formed in the clamp base, the bottom of the spring support is fixed on the clamp base, a plurality of through holes are formed in the spring support, the pull rod penetrates through the through holes, the front end of the pull rod is matched with the positioning grooves, and the compression spring is sleeved on the pull rod. The invention also discloses a use method of the FA optical fiber end face coating clamp. The invention replaces the existing backward coating mode, improves the coating quality and improves the efficiency.
Description
Technical Field
The invention relates to the field of coating fixtures, in particular to an FA optical fiber end face coating fixture and a using method thereof.
Background
An FA optical fiber is a component commonly used in the field of optical communication, and the front end of the optical fiber is an end face with an angle, the angle of the end face is generally 45 degrees, and the rear end of the optical fiber is a thin glass fiber. To increase the end face reflectivity, the angled end face needs to be coated. The original coating method is to stick 45-degree FA on a 45-degree prism by a high-temperature adhesive tape for coating, and the method is complex in operation, inaccurate in positioning, and often causes the problems of poor product consistency, product falling damage and the like in the operation process.
In the prior art, there is a fixture providing clamping and positioning capability for coating, for example, chinese patent publication No. CN204819228U discloses a positioning fixture for centralized coating processing of an end face of a pigtail, which includes positioning bases, connecting rods, positioning discs and pressing strips, wherein two positioning bases are connected by a connecting plate, at least four connecting rods are uniformly distributed on two positioning bases, positioning sliders are additionally arranged on the connecting rods, the positioning discs are connected with the connecting rods by the positioning sliders, positioning grooves are respectively arranged on the upper and lower surfaces of the positioning discs, the pressing strips are mounted on the positioning discs by bolts, the pressing strips are additionally vertically distributed with the positioning grooves, and at least two pressing strips are arranged on the positioning discs. Chinese patent publication No. CN103225068A discloses a clamping fixture for end face coating of semiconductor laser chip, which comprises a fixing member, two connecting shafts are respectively fixed at two ends of the fixing member, the fixing member is movably connected with a stretching member through the two connecting shafts, and a spring is connected between the stretching member and the fixing member.
However, the above prior patents are not suitable for coating the FA fiber end face with an angle, so it is necessary to provide a new coating clamp and method to solve the problems of the prior coating method.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides an FA optical fiber end face coating clamp and a using method thereof, which replace the existing backward coating mode, improve the coating quality and improve the efficiency.
In order to achieve the purpose, the invention adopts the technical scheme that:
the FA optical fiber end face coating clamp comprises a clamp base, a spring support, a compression spring and a pull rod, wherein a plurality of positioning grooves are formed in the clamp base, the bottom of the spring support is fixed on the clamp base, a plurality of through holes are formed in the spring support, the pull rod penetrates through the through holes, the front end of the pull rod is matched with the positioning grooves, and the compression spring is sleeved on the pull rod.
Preferably, the fixture is connected to a feeding tool, and a plurality of V-shaped grooves are formed in the feeding tool.
Preferably, one side of material loading frock is equipped with fixed knob, through rotatory fixed knob makes anchor clamps and V type groove can dismantle and be connected.
Preferably, the positioning groove is formed by a first area and a second area, and the width of the first area is larger than that of the second area.
Preferably, the pull rod has a structure with a large front end and a small rear end, and the front end of the pull rod is matched with the first area.
Preferably, the tail end of the pull rod is provided with a pull rod cap.
Preferably, the tie rod has a teflon coating.
Preferably, the positioning grooves are made of stainless steel surfaces, and the polishing roughness is Ra0.8. The positioning groove with the stainless steel surface and the polishing roughness Ra0.8 is adopted, the surface of the FA optical fiber is prevented from being scratched, and the good heat conduction effect of the stainless steel material is utilized, so that the FA optical fiber is heated uniformly during film coating, the coating is more favorably attached, and the firmness of the film layer is improved.
A use method of an FA optical fiber end face coating clamp is realized by adopting the clamp, and the method comprises the following steps:
placing the clamp into a V-shaped groove of a feeding tool, and locking a fixing knob to enable a positioning surface of the clamp to be horizontal;
taking an FA optical fiber with a cleaned surface, pulling a pull rod cap at the tail end of a Teflon pull rod by one hand, pinching a tail fiber of the FA optical fiber by the other hand, placing the FA optical fiber into a positioning groove corresponding to a base, then slightly pulling the tail fiber backwards to enable the rear end face of the FA optical fiber to be aligned with a step at the rear end of the positioning groove, loosening the Teflon pull rod, and automatically clamping the FA optical fiber by a spring;
and after clamping of all stations is completed, loosening the fixing knob of the feeding tool, taking out the clamp, and putting the end face coating clamp provided with the FA optical fiber and the FA optical fiber into a coating machine together to complete coating.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, through the matching effect of the positioning groove and the pull rod, the precise positioning of the coated optical fiber is realized, the consistency of the FA optical fiber coating is ensured, and the coating quality is improved.
(2) The fixture is fixed into the V-shaped groove of the feeding tool through the fixing knob, a plurality of fixtures can be fixed to the feeding tool at one time, both hands of a feeding worker are liberated, the working efficiency is improved, a plurality of optical fibers can be clamped for film coating at the same time, and the film coating efficiency is improved.
(3) According to the invention, through the matching of the pull rod, the compression spring and the pull rod cap, the FA optical fiber is clamped in a spring clamping mode, so that flexible clamping is realized, the FA optical fiber can be prevented from being clamped and damaged, meanwhile, the FA optical fiber is better fixed in a flexible clamping mode, the FA optical fiber is prevented from falling and being damaged in the operation process, and in addition, the pull rod is sprayed with the Teflon coating, so that the FA optical fiber can be further prevented from being scratched.
Drawings
FIG. 1 is a schematic structural diagram of an FA fiber end face coating fixture according to an embodiment of the present invention;
FIG. 2 is a side view of an FA fiber end-face coating fixture according to an embodiment of the present invention;
FIG. 3 is a schematic view of a fixture base of an FA fiber end-face coating fixture according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a spring holder, a compression spring and a pull rod of an FA fiber end face coating fixture according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the connection between the FA optical fiber end face coating fixture and the loading tool according to the embodiment of the present invention;
FIG. 6 is a top view of an FA optical fiber end face coating fixture and a loading tool according to an embodiment of the present invention;
FIG. 7 is a schematic view of the clamping of a coated optical fiber according to an embodiment of the present invention;
FIG. 8 is a top view of a coated optical fiber after clamping in accordance with an embodiment of the present invention;
FIG. 9 is a schematic diagram of a connection between a plurality of FA fiber end-face coating fixtures and a loading tool according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of coating of a coated optical fiber according to an embodiment of the present invention.
In the figure: 1. a clamp base; 2. a spring support; 3. a compression spring; 4. a pull rod; 5. positioning a groove; 6. a pull rod cap; 7. a feeding tool; 8. fixing the knob; 100. FA optical fiber coating clamp; 200. and (5) fixing the film coating machine.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention provides an FA fiber end surface coating clamp, which includes a clamp base, a spring support, a compression spring and a pull rod, wherein the clamp base is provided with a plurality of positioning slots, the bottom of the spring support is fixed on the clamp base, the spring support is provided with a plurality of through holes, the pull rod passes through the through holes, the front end of the pull rod is matched with the positioning slots, and the compression spring is sleeved on the pull rod. When loading, fixing the FA optical fiber end face coating clamp, pulling the pull rod open, placing the FA optical fiber to be coated into the positioning groove, then loosening the pull rod, automatically clamping the FA optical fiber to be coated by the compression spring, and after clamping of all stations is completed, placing the FA optical fiber end face coating clamp and the FA optical fiber into a coating machine together to complete coating.
As an implementation mode, the FA optical fiber end face coating clamp is connected to a feeding tool, and a plurality of V-shaped grooves are formed in the feeding tool.
Specifically, one side of the feeding tool is provided with a fixing knob, and the FA optical fiber end face coating clamp is detachably connected with the V-shaped groove by rotating the fixing knob. When feeding is needed, loosening a fixing knob of a feeding tool, placing a clamp into a V-shaped groove of the feeding tool, and locking the fixing knob to enable a positioning surface of the clamp to be horizontal; after the feeding is finished, loosening the fixing knob of the feeding tool, taking out the fixture, and putting the FA optical fiber end face coating fixture and the FA optical fiber into a coating machine together to finish coating.
In one embodiment, the positioning groove is formed by a first area and a second area, and the width of the first area is larger than that of the second area. The first area is matched with the pull rod and used for positioning the FA optical fiber to be coated; the second area is used for placing tail fibers. Because the glass fiber of the tail fiber is thin, the second area with narrow width is adopted for placement, and the effect of gathering and fixing the tail fiber can be achieved effectively.
In one embodiment, the pull rod has a structure with a large front end and a small rear end, and the front end of the pull rod is matched with the first area. The front end of the pull rod is large so as to block the spring, so that the spring is stressed and compressed and naturally stretched after being loosened.
Specifically, the tail end of the pull rod is provided with a pull rod cap. The pull rod cap is convenient for a worker to pull the pull rod.
In particular, the tie rod has a teflon coating. The Teflon coating is sprayed on the surface of the pull rod, so that the FA optical fiber to be coated can be prevented from being scratched.
Specifically, the positioning groove adopts a stainless steel surface, and the polishing roughness is Ra0.8. The positioning groove with the stainless steel surface and the polishing roughness Ra0.8 is adopted, so that the surface of the FA optical fiber can be prevented from being scratched, and the good heat conduction effect of the stainless steel material is utilized, so that the FA optical fiber is heated uniformly during film coating, the coating is more favorably attached, and the firmness of the film layer is improved.
The invention also provides a use method of the FA optical fiber end face coating clamp, which is realized by adopting the FA optical fiber end face coating clamp, and the method comprises the following steps:
placing the clamp into a V-shaped groove of a feeding tool, and locking a fixing knob to enable a positioning surface of the clamp to be horizontal;
taking an FA optical fiber with a cleaned surface, pulling a pull rod cap at the tail end of a Teflon pull rod by one hand, pinching a tail fiber of the FA optical fiber by the other hand, placing the FA optical fiber into a positioning groove corresponding to a base, then slightly pulling the tail fiber backwards to enable the rear end face of the FA optical fiber to be aligned with a step at the rear end of the positioning groove, loosening the Teflon pull rod, and automatically clamping the FA optical fiber by a spring;
and after clamping of all stations is completed, loosening the fixing knob of the feeding tool, taking out the clamp, and putting the end face coating clamp provided with the FA optical fiber and the FA optical fiber into a coating machine together to complete coating.
As an embodiment, as shown in fig. 9 to 10, the method for using the FA fiber end face coating jig includes:
placing two FA optical fiber end face coating fixtures into a V-shaped groove of a feeding tool, and locking a fixing knob to enable a fixture positioning surface to be horizontal;
taking an FA optical fiber with a cleaned surface, pulling a pull rod cap at the tail end of a Teflon pull rod by one hand, pinching a tail fiber of the FA optical fiber by the other hand, placing the FA optical fiber into a positioning groove corresponding to a base, then slightly pulling the tail fiber backwards to enable the rear end face of the FA optical fiber to be aligned with a step at the rear end of the positioning groove, loosening the Teflon pull rod, and automatically clamping the FA optical fiber by a spring; sequentially placing a plurality of FA optical fibers with cleaned surfaces into a clamp and clamping;
and after clamping of all stations is completed, loosening the fixing knob of the feeding tool, taking out the clamp, and putting the end face coating clamp provided with the FA optical fiber and the FA optical fiber into a coating machine together to complete coating.
According to the invention, the precise positioning of the coated FA optical fiber is realized through the matching action of the positioning groove and the pull rod, the consistency of the coating of the FA optical fiber is ensured, and the coating quality is improved. The fixture is fixed into the V-shaped groove of the feeding tool through the fixing knob, a plurality of fixtures can be fixed to the feeding tool at one time, both hands of a feeding worker are liberated, the working efficiency is improved, a plurality of optical fibers can be clamped for film coating at the same time, and the film coating efficiency is improved. According to the invention, through the matching of the pull rod, the compression spring and the pull rod cap, the FA optical fiber is clamped in a spring clamping mode, so that flexible clamping is realized, the FA optical fiber can be prevented from being clamped and damaged, and meanwhile, the pull rod is sprayed with the Teflon coating, so that the FA optical fiber can be further prevented from being scratched.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The FA optical fiber end face film coating clamp is characterized by comprising a clamp base, a spring support, a compression spring and a pull rod, wherein a plurality of positioning grooves are formed in the clamp base, the bottom of the spring support is fixed on the clamp base, a plurality of through holes are formed in the spring support, the pull rod penetrates through the through holes, the front end of the pull rod is matched with the positioning grooves, and the compression spring is sleeved on the pull rod.
2. The FA optical fiber end face coating clamp according to claim 1, wherein the clamp is connected to a loading tool, and a plurality of V-shaped grooves are formed in the loading tool.
3. The FA optical fiber end face coating clamp according to claim 2, wherein a fixing knob is arranged on one side of the loading tool, and the clamp is detachably connected with the V-shaped groove by rotating the fixing knob.
4. The FA fiber end face coating fixture according to claim 1, wherein the positioning groove comprises a first area and a second area, and the first area has a larger width than the second area.
5. The FA fiber end face coating fixture according to claim 4, wherein the pull rod has a structure with a large front end and a small rear end, and the front end of the pull rod is matched with the first region.
6. The FA optical fiber end face coating clamp according to claim 1, wherein a pull rod cap is provided at the tail end of the pull rod.
7. The FA fiber end-face coating fixture of claim 1, wherein the pull rod has a Teflon coating.
8. The FA fiber end face coating fixture according to claim 1, wherein the positioning grooves are made of stainless steel and have a polishing roughness of Ra0.8.
9. The use method of the FA optical fiber end face coating clamp is realized by the clamp of any one of claims 1 to 8, and is characterized by comprising the following steps:
placing the clamp into a V-shaped groove of a feeding tool, and locking a fixing knob to enable a positioning surface of the clamp to be horizontal;
taking an FA optical fiber with a cleaned surface, pulling a pull rod cap at the tail end of a Teflon pull rod by one hand, pinching a tail fiber of the FA optical fiber by the other hand, placing the FA optical fiber into a positioning groove corresponding to a base, then slightly pulling the tail fiber backwards to enable the rear end face of the FA optical fiber to be aligned with a step at the rear end of the positioning groove, loosening the Teflon pull rod, and automatically clamping the FA optical fiber by a spring;
and after clamping of all stations is completed, loosening the fixing knob of the feeding tool, taking out the clamp, and putting the end face coating clamp provided with the FA optical fiber and the FA optical fiber into a coating machine together to complete coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910989608.4A CN112676062B (en) | 2019-10-17 | 2019-10-17 | FA optical fiber end face coating clamp and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910989608.4A CN112676062B (en) | 2019-10-17 | 2019-10-17 | FA optical fiber end face coating clamp and using method thereof |
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| Publication Number | Publication Date |
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| CN112676062A true CN112676062A (en) | 2021-04-20 |
| CN112676062B CN112676062B (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910989608.4A Active CN112676062B (en) | 2019-10-17 | 2019-10-17 | FA optical fiber end face coating clamp and using method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114774874A (en) * | 2022-04-13 | 2022-07-22 | 中国科学院上海微系统与信息技术研究所 | FC type joint optical fiber end face coating clamp, system and use method thereof |
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| US5253312A (en) * | 1992-06-26 | 1993-10-12 | Cytocare, Inc. | Optical fiber tip for use in a laser delivery system and a method for forming same |
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| CN105154828A (en) * | 2015-09-22 | 2015-12-16 | 河南省鑫宇光实业有限公司 | Optical vacuum coating process |
| CN108646351A (en) * | 2018-04-23 | 2018-10-12 | 三峡大学 | A kind of the tail optical fiber end face structure and production method of optical fiber optical grating array |
| CN208557802U (en) * | 2018-06-15 | 2019-03-01 | 上海米启尔家具有限公司 | A kind of board cutting machine |
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2019
- 2019-10-17 CN CN201910989608.4A patent/CN112676062B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5253312A (en) * | 1992-06-26 | 1993-10-12 | Cytocare, Inc. | Optical fiber tip for use in a laser delivery system and a method for forming same |
| JP2005326457A (en) * | 2004-05-12 | 2005-11-24 | Fujikura Ltd | Optical fiber gripping device and optical fiber fusion-splicing machine |
| CN103358249A (en) * | 2012-03-27 | 2013-10-23 | 广东海粤集团有限公司 | Fiber array board assembly device and fiber array board assembly platform using same |
| CN105154828A (en) * | 2015-09-22 | 2015-12-16 | 河南省鑫宇光实业有限公司 | Optical vacuum coating process |
| CN108646351A (en) * | 2018-04-23 | 2018-10-12 | 三峡大学 | A kind of the tail optical fiber end face structure and production method of optical fiber optical grating array |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114774874A (en) * | 2022-04-13 | 2022-07-22 | 中国科学院上海微系统与信息技术研究所 | FC type joint optical fiber end face coating clamp, system and use method thereof |
| CN114774874B (en) * | 2022-04-13 | 2023-12-15 | 中国科学院上海微系统与信息技术研究所 | FC type connector optical fiber end face coating clamp, system and use method thereof |
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| CN112676062B (en) | 2022-03-11 |
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