CN209946444U - Non-contact optical fiber coating layer stripping device - Google Patents
Non-contact optical fiber coating layer stripping device Download PDFInfo
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- CN209946444U CN209946444U CN201920726883.2U CN201920726883U CN209946444U CN 209946444 U CN209946444 U CN 209946444U CN 201920726883 U CN201920726883 U CN 201920726883U CN 209946444 U CN209946444 U CN 209946444U
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Abstract
The utility model discloses a non-contact peels off optic fibre coating device, including hot-blast rifle, air gun mouth and be used for placing the rack of optic fibre, the air gun mouth sets up in the bottom of hot-blast rifle, and the rack is located air gun mouth below, and the air gun mouth sets to orientation rack, and the end of air gun mouth sets to the rectangle, and the length direction of rectangle is unanimous with the direction that optic fibre was placed. When the device is used for stripping the optical fiber, the tail end of the air gun nozzle is set to be rectangular, the edges of two ends of hot air coming out from the rectangular are kept flat, so that the edge of the stripping window of the optical fiber coating layer is flush, and the precision of stripping the optical fiber coating layer at fixed length is effectively guaranteed.
Description
Technical Field
The utility model relates to an optical fiber technology field, in particular to non-contact peels off optic fibre coating device.
Background
Interpretation of terms:
core and cladding of optical fiber: the central high refractive index glass core (the core diameter is generally 9, 50 or 62.5um) is called a fiber core and is used for transmitting optical signals; in the middle is a low index silica glass cladding (typically 125um in diameter).
Optical fiber coating layer: the outermost structure of the fiber (typically 250um in diameter). An elastomeric coating is cured with ultraviolet light while the glass fiber is drawn from the preform in order to prevent contamination of the cladding surface by dust. It is composed of acrylate, silicone rubber and nylon.
In recent years, with continuous progress of national defense and military industry, aerospace and aviation, ocean monitoring and other industries in China, higher requirements are put forward on the reliability of the optical fiber coupler in the application fields represented by the optical fiber gyroscope and the optical fiber hydrophone. Therefore, how to produce and manufacture optical fiber devices with more reliable quality is always one of the research directions of the industrial technology development, wherein the research on the nondestructive coating layer stripping technology in the optical fiber processing has never been stopped.
A large number of researches show that when the fixed-length stripping is carried out on the optical fiber coating layer by adopting the stripping technology of blowing hot air to the optical fiber surface, because the air outlet is not specially designed, the hot air blown out from the air outlet is relatively dispersed at the edges of two ends with fixed length, so that the phenomenon of uneven stripping can occur at the port parts of the two ends of the stripped optical fiber coating layer, and the precision of the fixed-length stripping is further influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a non-contact peels off optic fibre coating device for solve one of the technical problem that the background art exists at least.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a non-contact peels off optic fibre coating device, includes hot-blast rifle, air gun mouth and is used for placing the rack of optic fibre, the air gun mouth sets up in the bottom of hot-blast rifle, the rack is located air gun mouth below, the air gun mouth sets to orientation rack, the end of air gun mouth sets to the rectangle, and the length direction of rectangle is unanimous with the direction that optic fibre was placed.
As an improvement of the scheme, the air gun nozzle is detachably connected with the heat gun.
As an improvement of the above scheme, the air gun further comprises a controller, the air gun comprises an air pump and a heating wire, an air inlet end of a nozzle of the air gun forms an air cavity, the heating wire is arranged in the air cavity, and an air outlet of the air pump points to the air cavity; the air gun is characterized in that a temperature sensor is arranged in the air cavity, the controller is respectively connected with the air pump, the heating wire and the temperature sensor, a temperature display is arranged on the outer surface of the hot air gun, and temperature information acquired by the temperature sensor is displayed on the temperature display.
As an improvement of the scheme, the hot air gun is arranged on a support, the support is connected with a lifting mechanism, and the lifting mechanism is connected with a controller.
As an improvement of the scheme, the placing rack comprises a base, optical fiber clamps are arranged at two ends of the upper portion of the base respectively, a sliding mechanism is arranged at the bottom of the base and connected with a driving motor, and the driving motor is connected with a controller.
As an improvement of the scheme, the optical fiber clamp comprises a first clamping piece and a second clamping piece which can move relatively, magnet blocks are arranged in the first clamping piece and the second clamping piece, and the first clamping piece and the second clamping piece are arranged to be parallel to the length direction of the placing rack.
Has the advantages that: when the device is used for stripping the optical fiber, the tail end of the air gun nozzle is set to be rectangular, the edges of two ends of hot air coming out from the rectangular are kept flat, so that the edge of the stripping window of the optical fiber coating layer is flush, and the precision of stripping the optical fiber coating layer at fixed length is effectively guaranteed.
Drawings
The invention is further described with reference to the following figures and examples:
FIG. 1 is a schematic structural diagram of an apparatus for stripping a coating layer from an optical fiber in a non-contact manner;
fig. 2 is a schematic structural view of a heat gun.
Detailed Description
Referring to fig. 1 and 2, the utility model provides a non-contact peels off optic fibre coating device, the device include controller, hot-blast rifle 1, air pressure gun mouth 11 and be used for placing the rack of optic fibre, wherein air pressure gun mouth 11 sets up in hot-blast rifle 1's bottom, and the rack is located air pressure gun mouth 11 below, and air pressure gun mouth 11 sets to the orientation rack, and the end of air pressure gun mouth 11 sets to the rectangle, and the length direction of rectangle is unanimous with the direction that optic fibre was placed.
When the device is used for stripping optical fibers, the tail end of the air gun nozzle 11 is set to be rectangular, edges of two ends of hot air coming out of the rectangular shape are kept flat, so that the edge of a stripping window of an optical fiber coating layer is flush, and the precision of stripping the optical fiber coating layer at a fixed length is effectively guaranteed.
Specifically, the hot air gun 1 includes an air pump 12 and a heating wire 13, an air cavity is formed at the air inlet end of the air gun nozzle 11, the heating wire 13 is arranged in the air cavity, and the air outlet of the air pump 12 points to the air cavity. A temperature sensor is arranged in the air cavity, a temperature display is arranged on the outer surface of the hot air gun 1, the controller is respectively connected with the air pump 12, the temperature sensor and the heating wire 13, and temperature information acquired by the temperature sensor is displayed on the temperature display.
Because the optical fiber coating layer is composed of acrylic ester, silicon rubber, nylon and the like, the optical fiber coating layer can be directly decomposed into carbon dioxide and water vapor after being combusted, meanwhile, the ignition points of the optical fiber coating layer composition materials are smaller than the ignition point of the low-refractive-index silicon glass cladding and the ignition point of the fiber core, and the ignition points of all the optical fiber coating layer materials are basically lower than 400 ℃. Therefore, the hot air gun 1 is controlled to generate hot air, the hot air is maintained at 400-600 ℃, the optical fiber coating layer can be rapidly combusted and decomposed into carbon dioxide and water vapor, and the stripping effect is achieved.
The air gun nozzle 11 is detachably arranged on the hot air gun 1 and is convenient to replace. The air gun nozzle 11 is set to be in various dimensions, the length of a rectangle formed at the tail end of each air gun nozzle 11 in each dimension is different, before an optical fiber coating layer of an optical fiber to be processed is stripped, the air gun nozzle 11 in the corresponding dimension is selected and used in combination with the stripping length needed by the optical fiber coating layer, stripping in a specified length is completed at one time, and the effect is optimal.
The rack includes base 2, and 2 upper portion both ends of base are provided with optic fibre respectively and press from both sides 3, and 2 bottoms of base are provided with slide mechanism, and slide mechanism is connected with driving motor, and driving motor links to each other with the controller. The controller can control the driving motor to rotate, so that the base 2 moves to the lower part of the hot air gun 1 through the initial position, and hot air generated by the hot air gun 1 can be blown to the optical fiber to be processed vertically.
Specifically, the optical fiber clamp 3 comprises a first clamping piece and a second clamping piece which can move relatively, magnet blocks are arranged in the first clamping piece and the second clamping piece, and the first clamping piece and the second clamping piece are arranged to be parallel to the length direction of the placing frame. The clamping and fixing of the optical fiber are realized through the adsorption of the magnet block, and the physical damage to the optical fiber is avoided.
Meanwhile, the hot air gun 1 is fixedly arranged on the support, the support is connected with a lifting mechanism, the lifting mechanism is connected with the controller, the lifting mechanism is controlled by the controller to drive the support to move up and down before the optical fiber coating layer is stripped, the distance between the air gun nozzle 11 and the optical fiber to be processed is adjusted, and the stripping effect is guaranteed to be optimal.
After the preheating of the hot air gun 1 and the distance adjustment between the air gun nozzle 11 and the optical fiber to be processed are completed, the control base 2 moves to the position below the air gun nozzle 11 through the initial position, and hot air generated by the hot air gun 1 is blown to the optical fiber to be processed vertically, so that the peeling of the optical fiber coating layer can be realized.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.
Claims (6)
1. A non-contact type device for stripping a coating layer of an optical fiber is characterized in that: including hot-blast rifle, air gun mouth and be used for placing the rack of optic fibre, the air gun mouth sets up in the bottom of hot-blast rifle, the rack is located air gun mouth below, the air gun mouth sets to the orientation rack, the end of air gun mouth sets to the rectangle, and the length direction of rectangle is unanimous with the direction that optic fibre was placed.
2. The apparatus of claim 1, wherein: the air gun nozzle is detachably connected with the hot air gun.
3. The apparatus of claim 2, wherein: the hot air gun comprises an air pump and a heating wire, an air inlet end of a nozzle of the hot air gun forms an air cavity, the heating wire is arranged in the air cavity, and an air outlet of the air pump points to the air cavity; the air gun is characterized in that a temperature sensor is arranged in the air cavity, the controller is respectively connected with the air pump, the heating wire and the temperature sensor, a temperature display is arranged on the outer surface of the hot air gun, and temperature information acquired by the temperature sensor is displayed on the temperature display.
4. The apparatus of claim 3, wherein: the hot air gun is arranged on the support, the support is connected with a lifting mechanism, and the lifting mechanism is connected with the controller.
5. The apparatus of claim 3, wherein: the rack comprises a base, optical fiber clamps are arranged at two ends of the upper portion of the base respectively, a sliding mechanism is arranged at the bottom of the base and connected with a driving motor, and the driving motor is connected with a controller.
6. The apparatus of claim 5, wherein: but the optic fibre presss from both sides including relative movement's first clamping piece and second clamping piece, all be provided with the magnet piece in first clamping piece and the second clamping piece, first clamping piece and second clamping piece all set to the length direction that is on a parallel with the rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920726883.2U CN209946444U (en) | 2019-05-17 | 2019-05-17 | Non-contact optical fiber coating layer stripping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920726883.2U CN209946444U (en) | 2019-05-17 | 2019-05-17 | Non-contact optical fiber coating layer stripping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209946444U true CN209946444U (en) | 2020-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920726883.2U Active CN209946444U (en) | 2019-05-17 | 2019-05-17 | Non-contact optical fiber coating layer stripping device |
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| CN (1) | CN209946444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218078A (en) * | 2021-04-12 | 2021-08-06 | 有维科技(苏州)有限公司 | Power unit and hot air gun |
-
2019
- 2019-05-17 CN CN201920726883.2U patent/CN209946444U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218078A (en) * | 2021-04-12 | 2021-08-06 | 有维科技(苏州)有限公司 | Power unit and hot air gun |
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