CN111149030A

CN111149030A - Melt-end processing method

Info

Publication number: CN111149030A
Application number: CN201880060644.6A
Authority: CN
Inventors: 罗春晖; 罗心怡
Original assignee: 罗春晖; 罗心怡
Current assignee: SIGNAL FIRE TECHNOLOGY Co.,Ltd.
Priority date: 2018-07-16
Filing date: 2018-07-16
Publication date: 2020-05-12
Anticipated expiration: 2038-07-16
Also published as: CN111149030B; WO2020014827A1

Abstract

A melt end processing method relates to the field of optical fiber terminating, and comprises the following steps: A. passing the optical fiber through the end former and out of the ferrule end face of the end former; B. performing discharge treatment on the end face of the optical fiber penetrating out of the end face of the ferrule; C. and pulling the optical fiber to enable the optical fiber to retreat until the end face of the optical fiber is flush with the end face of the ferrule. The optical fiber does not need any other physical contact after the end face treatment, the efficiency and the installation power of the end forming device are improved, and meanwhile, the optical path loss in the later use of the end forming device is greatly reduced.

Description

Melt-end processing method

Technical Field

The invention relates to the field of optical fiber terminating, in particular to a melt end processing method.

Background

In a conventional end melting machine, after an optical fiber in an optical cable (the optical fiber and an optical fiber sheath are combined together and called as an optical cable) is processed, the optical fiber needs to be manually inserted into an end connector (i.e. an end connector) on site, the optical fiber needs to be inserted from the tail end of the end connector and extends out from the head end of the end connector, and because a hole for the optical fiber to pass through in the end connector is small, the processed optical fiber end surface in the optical cable is possibly damaged in the inserting process, after the optical fiber is inserted, the optical fiber needs to firstly exceed the end surface of a ferrule (the ferrule is a part of the end connector, and the head end of the ferrule is the head end of the end connector), and then a cover is used for flatly pressing the optical fiber and the end surface of the ferrule (the optical fiber can be bent in the end connector to a certain extent so that the optical fiber can retract into the ferrule), and the process is easy to pollute the.

Meanwhile, in the place where the eyesight of constructors is poor, or the illumination condition is poor and wind exists, the optical fiber is very difficult to insert into the end device manually, and the optical fiber is very easy to break during operation.

Because of these drawbacks, The melting end machine has not been The mainstream tool for ftth (fiber To The home).

Disclosure of Invention

The invention aims to provide a melt end processing method, which can ensure that optical fibers do not need any other physical contact after end face processing, improve the efficiency and the installation power of an end former and greatly reduce the optical path loss in later use of the end former.

In order to achieve the purpose, the invention adopts the technical scheme that:

a method of melt-end processing, comprising the steps of:

A. passing the optical fiber through the end former and out of the ferrule end face of the end former;

B. performing discharge treatment on the end face of the optical fiber penetrating out of the end face of the ferrule;

C. pulling the optical fiber to make the optical fiber retreat, so that the end face of the optical fiber is flush with the end face of the ferrule.

Through A, B, C three steps, can make optic fibre wear out the back from the lock pin of terminating ware, carry out the terminal surface again and handle, the terminal surface is handled the back, the pulling returns optic fibre and makes its terminal surface flush with the terminal surface of lock pin can, this kind of mode compares and handles the terminal surface earlier among the prior art and penetrates the terminating ware and flush the mode with optic fibre terminal surface and lock pin terminal surface with the lid at last, make optic fibre need not any other physical contact after the terminal surface is handled, do not destroy the terminal surface, the great reduction of optical path loss in the terminating ware later stage use, simultaneously optic fibre can not be because the terminal surface is handled the back and is worn core in-process fracture and carry out the terminal surface again and handle, the efficiency is improved, also avoid the lid to press the terminal surface and destroy the terminal surface and cause the condition that.

In a preferred embodiment of the present invention, the ferrule is a ferrule.

As a preferred aspect of the present invention, in step a, the front end section of the optical cable to be processed is peeled to obtain the optical fiber, and the front end section of the optical cable extends backwards from the front end of the optical cable for a short distance, and the optical fiber with the required length capable of being adapted to an end device is peeled.

As a preferred scheme of the invention, in the step A, the optical fiber and the end forming device are provided with corresponding clamping devices, before the optical fiber is threaded into the end forming device, the clamping device for clamping the optical fiber and the clamping device for clamping the end forming device are arranged on the same carrier, then the optical fiber is enabled to translate on the carrier through the clamping device for clamping the optical fiber and is threaded into the tail end of the end forming device, meanwhile, in the step C, the action of pulling the optical fiber to retreat is completed by the clamping device for clamping the optical fiber, the optical fiber and the end forming device are provided with corresponding clamping devices, the problem of positioning is solved, the manual core threading process mentioned in the background technology is replaced, then the clamping devices corresponding to the optical fiber and the end forming device can be positioned conveniently, and in the core threading process, the precision of the core threading is higher and easier to control when the clamping device for clamping the optical fiber moves.

As a preferred embodiment of the present invention, in step a, before the optical fiber is threaded into the end former, the tail end of the end former is spread and kept in a spread state, and the optical fiber is threaded from the tail end of the end former, so that the possibility of interference between the optical fiber and the optical cable and the end former is reduced, and meanwhile, the fault tolerance rate of the process of moving the clamping device for clamping the optical fiber to perform core threading is higher, and the risks of blocking and bending fracture of the optical fiber are reduced as much as possible.

As a preferred embodiment of the present invention, in step a, the length of the optical fiber obtained by peeling the optical fiber cable is smaller than the length of the end former, and the tail end of the end former can be clamped to the optical fiber cable during final clamping, so as to prevent the optical fiber from being directly clamped to cause breakage of the optical fiber.

As a preferred scheme of the present invention, in step C, after the end face of the optical fiber is flush with the end face of the ferrule, the tail end of the terminating device is released from the spreading state, so that the tail end of the terminating device clamps the optical cable, and at this time, the tail cap on the optical cable is rotated to be matched with the tail end of the terminating device, so as to complete the matching of the terminating device and the optical fiber.

As a preferred scheme of the invention, in the step A, the image of the part, which penetrates out of the ferrule, of the optical fiber is acquired by using the camera device, so that the penetrating length of the optical fiber is judged, compared with the prior art, the method is more accurate in visual identification, and meanwhile, the method is convenient to adjust to the length which is convenient for carrying out discharge treatment on the end face of the optical fiber.

In a preferred embodiment of the present invention, in step B, an image of the end face of the optical fiber after the discharge processing is captured by an imaging device, so as to determine the discharge processing effect of the optical fiber and improve the yield.

As a preferable scheme of the present invention, in the step a, in the process of threading the optical fiber into the end former, the support device for supporting the optical fiber is arranged on the carrier, the optical fiber is fitted in the support device, and the support device does not interfere with the end former in the closed state of the tail end of the end former, the optical fiber is too thin and is easily bent under the influence of gravity without being supported by a skin, so that difficulty in threading the optical fiber into the end former is increased, and the possibility of damage to the optical fiber caused by blocking is also increased.

The invention has the beneficial effects that:

through A, B, C three steps, can make optic fibre after wearing out from the lock pin of terminating ware, carry out the terminal surface again and handle, the terminal surface is handled after accomplishing, the pulling returns optic fibre and makes its terminal surface and the terminal surface of lock pin flush can, this kind of mode compares the mode that the terminal surface was handled earlier and is penetrated into terminating ware and is flushed optic fibre terminal surface and lock pin terminal surface with the lid at last among the prior art, make optic fibre need not any other physical contact after the terminal surface is handled, do not destroy the terminal surface, the great reduction of optical path loss in terminating ware later stage use, simultaneously optic fibre can not be because the terminal surface is handled the back and is being worn core in-process fracture and carry out the terminal surface again, the efficiency is improved, also avoid the lid to press the terminal surface and destroy the terminal surface and cause the condition that optic fibre breaks when the terminal surface.

Drawings

FIG. 1 is a schematic representation of the steps of the present invention;

Detailed Description

the present invention will be described in further detail with reference to examples and embodiments. It should be understood that the scope of the above subject matter of the present invention is not limited to the following examples, and any technique realized based on the summary of the present invention is within the scope of the present invention.

Example 1

Referring to fig. 1, a melt-processing method includes the steps of:

A. peeling the front end section of the optical cable to be processed to obtain a required optical fiber, wherein the length of the optical fiber obtained after peeling the optical cable is smaller than that of the end former;

the optical fiber and the end former are provided with corresponding clamping devices (the object clamped by the clamping devices corresponding to the optical fiber is the outer surface of the optical cable close to the optical fiber exposed after peeling), before the optical fiber is inserted into the end former, the clamping devices for clamping the optical fiber and the clamping devices for clamping the end former are firstly arranged on the same carrier (the optical cable is inserted into a tail cap of the end former before being lifted up), and then the optical fiber is enabled to move horizontally on the carrier through the clamping devices for clamping the optical fiber;

during threading, a supporting device for supporting the optical fiber is arranged on the carrier (the supporting device extends into the tail end of the end forming device but does not interfere with the end forming device), the optical fiber is matched in the supporting device, and the supporting device is configured not to interfere with the end forming device in the closed state of the tail end of the end forming device;

then the optical fiber passes through the end former and passes out from the end face of the ferrule (ceramic ferrule) of the end former, and an image of the part of the optical fiber passing out of the ferrule is collected by a camera device so as to judge the passing-out length of the optical fiber;

B. the end face of the optical fiber penetrating out of the end face of the ferrule is subjected to discharge processing, and the image of the end face of the optical fiber subjected to discharge processing is collected by a camera device, so that the discharge processing effect of the optical fiber is judged;

C. pulling the optical fiber to enable the optical fiber to retreat (the advancing and retreating of the optical fiber are carried out by the clamping device corresponding to the optical fiber, and the moving precision is controlled below 0.1 mm) so that the end face of the optical fiber and the end face of the ferrule are flushed (the flushing state is observed by the camera device, images collected by the camera device in the step A-C are amplified by 300 times or more than 300 times and displayed for convenient observation), after the end face of the optical fiber and the end face of the ferrule are flushed, the tail end opening state of the terminating device is cancelled, the tail end of the terminating device is enabled to clamp the optical cable, the tail cap of the terminating device is pushed up from the optical cable, and the tail cap is rotated to be matched with the tail end of the.

Example 2

In this embodiment, the movement accuracy of the holding device corresponding to the optical fiber is controlled to be less than 0.1 um.

Claims

A method of melt processing, comprising the steps of:

A. passing the optical fiber through the end former and out of the ferrule end face of the end former;

B. performing discharge treatment on the end face of the optical fiber penetrating out of the end face of the ferrule;

C. pulling the optical fiber to make the optical fiber retreat, so that the end face of the optical fiber is flush with the end face of the ferrule.
The fused end processing method of claim 1, wherein the ferrule is a ceramic ferrule.
A method of melt processing according to claim 1, wherein in step a, the fiber optic cable to be processed is stripped at its front end section to obtain said fiber.
A molten end processing method according to claim 3 wherein in step a, the optical fiber and the end-former each have corresponding holding means, the holding means for holding the optical fiber and the holding means for holding the end-former are mounted on a common carrier prior to threading the optical fiber into the end-former, and the optical fiber is translated on the carrier by the holding means for holding the optical fiber to thread into the tail end of the end-former, and in step C, the action of pulling the optical fiber backward is performed by the holding means for holding the optical fiber.
The melt processing method according to claim 4, wherein in the step A, before the optical fiber is threaded into the end-former, the tail end of the end-former is spread and kept spread, and the optical fiber is threaded from the tail end of the end-former.
The method of claim 5, wherein the optical fiber stripped in step a has a length less than the length of the end former.
The melt end processing method according to claim 6, wherein in the step C, after the end face of the optical fiber and the end face of the ferrule are flush with each other, the tail end of the end former is released from the expanded state, so that the tail end of the end former clamps the optical fiber cable.
The melt end processing method according to claim 1, wherein in the step a, an image of the portion of the optical fiber that penetrates out of the ferrule is captured by a camera, thereby determining the length of the optical fiber that penetrates out.
The melt processing method according to claim 1, wherein in the step B, the image of the end face of the optical fiber after the discharge processing is captured by an image capturing device, and the effect of the discharge processing on the optical fiber is determined.
A molten end processing method according to claim 5, wherein in step A, during the threading of the optical fiber into the end-former, the carrier is provided with a supporting means for supporting the optical fiber, the optical fiber is fitted in the supporting means, and the supporting means does not interfere with the end-former in a closed state of the tail end of the end-former.