CN109541756B - Process method for automatically producing optical fiber connector - Google Patents
Process method for automatically producing optical fiber connector Download PDFInfo
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- CN109541756B CN109541756B CN201811523017.XA CN201811523017A CN109541756B CN 109541756 B CN109541756 B CN 109541756B CN 201811523017 A CN201811523017 A CN 201811523017A CN 109541756 B CN109541756 B CN 109541756B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3834—Means for centering or aligning the light guide within the ferrule
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3855—Details of mounting fibres in ferrules; Assembly methods; Manufacture characterised by the method of anchoring or fixing the fibre within the ferrule
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3863—Details of mounting fibres in ferrules; Assembly methods; Manufacture fabricated by using polishing techniques
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3898—Tools, e.g. handheld; Tuning wrenches; Jigs used with connectors, e.g. for extracting, removing or inserting in a panel, for engaging or coupling connectors, for assembling or disassembling components within the connector, for applying clips to hold two connectors together or for crimping
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention relates to the technical field of optical fiber connectors, in particular to a process method for automatically producing an optical fiber connector, which comprises a clamp, wherein the clamp passes through an automatic curing station, an automatic grinding station, an automatic optical parameter testing station and an automatic end face detecting station in sequence through a conveying device; the problems of low production efficiency, high labor cost and unstable product performance of the optical fiber connector can be effectively solved.
Description
Technical Field
The invention relates to the technical field of optical fiber connectors, in particular to a process method for automatically producing an optical fiber connector.
Background
With the development of network technology, the application of networks is continuously upgraded, and thus higher requirements are continuously put forward on the bandwidth of the wiring system. Fiber optic connector products are increasingly used by system vendors and end users in planning and designing network cabling systems. Fiber connector products are no longer limited to be applied to backbone wiring systems, and gradually enter application fields such as Fiber To The Home (FTTH), Fiber To The Desktop (FTTD), and the like. The production of the optical fiber connector is a purely manual and labor-intensive industry, and along with the increase of the using amount of the optical fiber connector, the price competition is strong, and the production efficiency becomes the largest problem.
In the prior art, a chinese patent document published as CN108241191A and published as 2018, 07, 03 is proposed to solve the above-mentioned technical problems, and the technical scheme disclosed in the patent document is as follows: a process flow for automatically producing an optical fiber connector comprises the following steps: assembling the parts, namely assembling the parts into a connector joint, injecting glue into the connector joint, and keeping the glue not to solidify; an automatic curing process, namely heating and curing the connector on a curing device, and carrying out constant-temperature cooling treatment; an automatic grinding procedure, wherein the front end face of the optical connector joint is automatically ground by adopting a manipulator in a 8-shaped grinding mode; the testing procedure adopts a virtualization test, and tests three indexes, namely the geometric dimension, the insertion loss and the return loss in a segmented and separated manner, and the insertion loss and the return loss are set to be automatically distinguished; the automatic packaging process is carried out in an assembly line mode of automatically winding, bundling, fitting the checks and bagging.
In the actual use process, the following problems can occur in the technical scheme:
(1) the core insert is worn manually, so that the efficiency is low and the labor cost is high.
(2) In the grinding process, a mechanical arm is adopted to grab a grinding disc and place the grinding disc on a grinding machine, firstly, the grabbing and placing position needs to be adjusted in the early stage, and secondly, the grabbing efficiency is slower, and the efficiency is low; after grinding is finished, the manipulator is put into clean water for cleaning, the grabbing efficiency of the manipulator is low, the connector is integrally put into the clean water, and a large amount of water is fully distributed on the connector although the connector is cleaned; and then the lint is used for wiping, so that the moisture can not be wiped completely, the next procedure can be carried out, and the test result of the test procedure can be influenced.
(3) During the solidification, utilize the warm table that sets up in curing oven one side, be provided with the curing plate on the warm table, curing plate and abrasive disc size adaptation, the rigidity when the abrasive disc position heats, the temperature is unified, and optic fibre appears the displacement change because of glue stress easily.
Disclosure of Invention
In order to solve the technical problems, the invention provides a process method for automatically producing an optical fiber connector, which can effectively solve the problems of low production efficiency, high labor cost and unstable product performance of the optical fiber connector.
The invention is realized by adopting the following technical scheme:
a process method for automatically producing an optical fiber connector is characterized by comprising the following steps: the automatic optical parameter testing device comprises a clamp, wherein the clamp passes through an automatic curing station, an automatic grinding station, an automatic optical parameter testing station and an automatic end face detecting station in sequence through a conveying device; the method specifically comprises the following steps:
a. the automatic curing station finishes automatically placing the ferrule on the clamp, injecting glue into the ferrule, automatically penetrating the optical fiber and heating and curing in sequence, wherein the heating and curing specifically refers to: the optical fiber is conveyed to a heating baking area through a conveying device along with the clamp, the heating baking area is divided into a low-temperature heating area and a high-temperature heating area according to the conveying direction of the conveying device, and the optical fiber passes through the heating baking area along with the clamp at a constant speed to finish heating and curing;
b. the optical fiber which is heated and solidified enters a to-be-ground area along with the clamp through a conveying device, the optical fiber enters the to-be-ground area after being cooled in the to-be-ground area, and degumming, coarse grinding, cleaning, fine grinding, cleaning, polishing, cleaning and drying are sequentially completed on an automatic grinding station of the grinding area; the automatic grinding station is provided with a plurality of driving pieces which drive the clamp to move up and down, the clamp moves down to enable the optical fiber on the clamp to be in contact with the grinding sheet on the corresponding grinding machine for grinding, and the optical fiber is subjected to degumming, coarse grinding, fine grinding or polishing, or the clamp moves down to enable corresponding cleaning equipment to clean the optical fiber; moving the clamp upwards, automatically lifting the optical fiber to a conveying device along with the clamp, and continuously conveying the optical fiber;
c. the dried optical fiber is conveyed to an automatic optical parameter testing station along with a clamp, a multi-channel winding-free insertion return loss tester is adopted for optical parameter testing, unqualified ports are marked after the testing is finished, and the optical fiber is conveyed continuously through a conveying device;
d. the optical fiber after the optical parameter test is transmitted to an automatic end face detection station along with a clamp, and an acquisition imaging device on the automatic end face detection station acquires and images the end face of the optical fiber, identifies the end face of the optical fiber and marks an unqualified port;
e. manually removing the clamp, removing the connector containing the unqualified optical fiber, and returning the unqualified connector to the automatic grinding station for re-grinding; the qualified connector flows to the next procedure.
In the step a, the low-temperature heating area is 2.5-3.5 meters long and the temperature is 85-95 ℃; the high-temperature heating area is 5.5-6.5 m long and the temperature is 110-125 ℃.
The step b of degumming, coarse grinding, fine grinding and polishing specifically comprises the following steps: when the photoelectric sensing module in the corresponding grinding machine detects that the optical fiber is conveyed to the upper part of the grinding machine along with the clamp, the driving piece drives the clamp to move downwards, so that the optical fiber on the clamp is ground, and the degumming, coarse grinding, fine grinding or polishing is completed.
The cleaning in the step b specifically comprises the following steps: when the photoelectric sensing module in the corresponding cleaning equipment detects that the optical fiber is conveyed to the upper part of the cleaning equipment along with the clamp, the driving part drives the clamp to move downwards to drive the optical fiber to move downwards, and the cleaning equipment cleans the optical fiber.
The cleaning equipment comprises a water spraying pipe and an air spraying pipe, and the optical fiber is sprayed with water and then blown with air.
The cleaning equipment is connected with a recovery tank, a filtering device is arranged in the recovery tank, and the waste water after cleaning is filtered and subjected to dust absorption.
The step b of drying refers to drying by utilizing 45-55 degrees of hot air.
In the step c, the automatic optical parameter testing station is provided with an optical parameter testing fixture and a driver, the fixture is matched with the optical parameter testing fixture, and the driver presses down the dried optical fiber onto the optical parameter testing fixture along with the fixture to test the optical parameters.
And d, arranging an end face detection clamp and a second driver on the automatic end face detection station, wherein the clamp is matched with the end face detection clamp, and the second driver presses down the optical fiber which is subjected to the optical parameter test to the end face detection clamp along with the clamp to perform acquisition imaging.
In the step d, when the optical fiber end face is subjected to acquisition imaging, the acquisition imaging equipment automatically adjusts the focal length, and the optical fiber end face is amplified by 400 times to be identified in the clearest state.
In the step a, the specific steps of automatically placing the ferrule on the fixture, injecting glue into the ferrule and automatically penetrating the optical fiber are as follows: the manipulator clamps an empty clamp on the conveying device to the automatic ferrule tray placing and glue injecting machine, and the automatic ferrule tray placing and glue injecting machine sequentially places ferrules on the clamp and sequentially injects epoxy resin glue; the clamp which is clamped by the mechanical arm and injected with glue moves to an automatic fiber penetrating area to finish tightly penetrating the optical fiber; the manipulator moves the clamp with the optical fiber threaded through to the conveying device.
The manipulator clamps the clamps injected with glue and moves to an automatic fiber penetrating area, when the fiber is penetrated automatically, the manipulator clamps the next empty clamp to the automatic ferrule swinging plate glue injection machine, and when the fiber is penetrated automatically, the manipulator moves the clamps subjected to fiber penetrating to the conveying device.
Compared with the prior art, the invention has the beneficial effects that:
1. the method has high automation degree, can effectively reduce the labor cost and improve the production efficiency.
In the method, the segmented heating and curing are carried out at low temperature and high temperature, so that the optical fiber and the ceramic ferrule can be better integrated with glue curing, part of glue stress is released, and the displacement change of the optical fiber caused by the glue stress is reduced.
In the method, the driving part is used for driving the clamp to move up and down, so that the optical fiber on the clamp is ground and cleaned, and then is lifted back to the conveying device for continuous conveying, the mechanical arm is not used for grabbing, and the operation is simpler and more convenient; the coarse grinding is directly carried out after the photoresist is removed, the cleaning is not needed, the production steps are saved, and the production efficiency can be effectively improved; after rough grinding, accurate grinding and polishing, cleaning is carried out, and the cleaning is a necessary process to avoid influencing the next process.
The optical parameters and the end faces of the optical fibers are respectively detected by different stations, so that the test result is more accurate, the optical fibers are conveniently detected, unqualified products are avoided being produced, the product quality is ensured, the unqualified connectors are reground, materials can be utilized to the maximum degree, and resources are saved.
2. The length of the low-temperature heating area is 2.5-3.5 meters, and the temperature is 85-95 ℃; the length of the high-temperature heating area is 5.5-6.5 meters, and the temperature is 110-125 ℃, so that the optical fiber and the ceramic ferrule can be better integrated with glue curing, the glue stress is released to the maximum extent, and the displacement change of the optical fiber caused by the glue stress is reduced.
3. By utilizing photoelectric induction, the positioning is more accurate, and the grinding and cleaning are convenient.
4. After the optical fiber is ground, dust slurry is generated, and the optical fiber is washed by water and then blown by air, so that the cleaning is more thorough, and the next procedure is not influenced.
5. The cleaning equipment is connected with a recovery tank, and is more environment-friendly for treating wastewater.
6. The hot air of 45-55 degrees is used for drying, the drying speed is increased, and the condition that the water on the end face of the inserting core influences the detection of the next procedure is avoided.
7. Through setting up with anchor clamps assorted optical parameter test fixture, and utilize the driver to realize anchor clamps and optical parameter test fixture's cooperation, be convenient for to the test of optic fibre optical parameter, make efficiency of software testing higher.
8. Through setting up and anchor clamps assorted terminal surface detection anchor clamps, and utilize the second driver to realize anchor clamps and terminal surface detection anchor clamps's cooperation, be convenient for to the detection of optic fibre terminal surface, make detection efficiency higher.
9. When gathering the formation of image to the fiber end face, gather imaging device automatically regulated focus, enlarge 400 times to the most clear state discernment to the fiber end face, automated processing avoids utilizing artifical focus regulation among the prior art, and the manual work is judged, improves product test's accuracy.
10. The manipulator is used for moving the clamp to the automatic ferrule placing disc glue injection machine and the automatic fiber penetrating area respectively, so that automatic ferrule placing, glue injection into the ferrule and automatic fiber penetrating are completed, and the automation degree is high.
11. And the next empty clamp is moved to the automatic ferrule wobble plate glue injection machine by utilizing the automatic fiber penetrating time, so that the time difference among stations is fully utilized, and the production efficiency is convenient to improve.
Drawings
The invention will be described in further detail with reference to the following description taken in conjunction with the accompanying drawings and detailed description, in which:
FIG. 1 is a schematic diagram of the present invention;
fig. 2 is a schematic view of the overall structure of the present invention.
Detailed Description
Example 1
As a basic embodiment of the present invention, the present invention includes a process for automatically producing an optical fiber connector, comprising a jig passing through an automatic curing station, an automatic grinding station, an automatic optical parameter testing station and an automatic end face detecting station in sequence by a conveyor; the method specifically comprises the following steps:
a. the automatic curing station finishes automatically placing the ferrule on the clamp, injecting glue into the ferrule, automatically penetrating the optical fiber and heating and curing in sequence, wherein the heating and curing specifically refers to: the optical fiber is conveyed to a heating baking area through a conveying device along with the clamp, the heating baking area is divided into a low-temperature heating area and a high-temperature heating area according to the conveying direction of the conveying device, the length of the low-temperature heating area is 2.5 meters, the temperature of the low-temperature heating area is 85 ℃, the length of the high-temperature heating area is 5.5 meters, the temperature of the high-temperature heating area is 110 ℃, and the clamp penetrates through the heating baking area at the speed of 0.25 meter/minute to finish heating.
b. The optical fiber which is heated and solidified enters the area to be ground through the conveying device along with the clamp, the optical fiber enters the grinding area after being cooled in the area to be ground, and the optical fiber is sequentially subjected to degumming, rough grinding, cleaning, fine grinding, cleaning, polishing, cleaning and drying at an automatic grinding station of the grinding area.
Wherein the degumming, coarse grinding, fine grinding and polishing specifically refer to: when the photoelectric sensing module in the corresponding grinding machine detects that the optical fiber is conveyed to the upper part of the grinding machine along with the clamp, the air cylinder on the grinding machine drives the clamp to move downwards, the clamp is pressed downwards to a grinding platform of the grinding machine, the optical fiber on the clamp is in contact with a grinding sheet of the grinding machine, the grinding machine is a four-corner pressurized optical fiber grinding machine, a pressurizing device of the grinding machine pressurizes the four sides of the clamp, the grinding machine is automatically started to grind after pressurization is completed, the pressurizing device on the grinding machine is loosened, and the air cylinder drives the clamp to automatically ascend to the conveying device to continue.
Wherein the cleaning is as follows: when the clamp is conveyed to the position right above the cleaning equipment, when the photoelectric sensing module in the corresponding cleaning equipment detects that the optical fiber is conveyed to the position above the cleaning equipment along with the clamp, the cylinder on the cleaning equipment drives the clamp to move downwards, the cleaning equipment starts to work, the water spray pipe in the cleaning equipment sprays water for 8S firstly, after the water spraying is finished, the air spray pipe in the cleaning equipment sprays air for 12S, and after the air spraying is finished, the cylinder drives the clamp to automatically ascend to the conveying device again to continue conveying. Wherein the waste water after washing flows into the interior of a recovery tank connected with the washing equipment, and a filtering layer in the recovery tank filters, absorbs dust and the like, and then discharges the waste water to a unified processing center.
And finally, after the cleaning is finished, the optical fiber is conveyed to a drying area through the optical fiber and the clamp conveying device, and the optical fiber is dried by 45-degree hot air.
c. The dried optical fiber is conveyed to an automatic optical parameter testing station along with a clamp, a multi-channel winding-free insertion return loss tester is adopted for optical parameter testing, unqualified ports are marked after the testing is finished, and the optical fiber is conveyed continuously through a conveying device;
d. the optical fiber after the optical parameter test is transmitted to an automatic end face detection station along with a clamp, and an acquisition imaging device on the automatic end face detection station acquires and images the end face of the optical fiber, identifies the end face of the optical fiber and marks an unqualified port;
e. manually removing the clamp, removing the connector containing the unqualified optical fiber, and returning the unqualified connector to the automatic grinding station for re-grinding; the qualified connector flows to the next procedure.
Example 2
As a preferred embodiment of the present invention, the present invention comprises a process for automatically producing an optical fiber connector, comprising a jig passing through an automatic curing station, an automatic grinding station, an automatic optical parameter testing station and an automatic end face detecting station in sequence by a conveyor belt; the method specifically comprises the following steps:
a. the automatic curing station finishes automatically placing the ferrule on the clamp, injecting glue into the ferrule, automatically penetrating the optical fiber and heating and curing in sequence, wherein the heating and curing specifically refers to: the optical fiber is conveyed to a heating baking area through a conveyor belt along with the clamp, the heating baking area is divided into a low-temperature heating area and a high-temperature heating area according to the conveying direction of the conveyor belt, the low-temperature heating area is 3.5 meters in length and 95 ℃ in length, the high-temperature heating area is 6.5 meters in length and 125 ℃ in length, and the clamp penetrates through the heating baking area at the speed of 0.35 meter/minute to finish heating and curing.
b. The optical fiber which is heated and solidified enters a to-be-ground area along with the clamp through the conveying belt, the optical fiber enters the to-be-ground area after being cooled in the to-be-ground area, and the optical fiber is sequentially subjected to degumming, coarse grinding, cleaning, fine grinding, cleaning, polishing, cleaning and drying at an automatic grinding station of the grinding area; the automatic grinding station is provided with a plurality of driving pieces which drive the clamp to move up and down, the clamp moves down to enable the optical fiber on the clamp to be in contact with the grinding sheet on the corresponding grinding machine for grinding, and the optical fiber is subjected to degumming, coarse grinding, fine grinding or polishing, or the clamp moves down to enable corresponding cleaning equipment to clean the optical fiber; the clamp moves upwards, and the optical fiber is automatically lifted back to the conveying belt along with the clamp and is continuously conveyed.
c. The dried optical fiber is conveyed to an automatic optical parameter testing station along with the clamp, the automatic optical parameter testing station is provided with a photoelectric sensing module, an optical parameter testing clamp and a driver, the clamp is matched with the optical parameter testing clamp, the driver presses the dried optical fiber down to the optical parameter testing clamp along with the clamp, and a multi-channel winding-free insertion return loss tester of the automatic optical parameter testing station performs optical parameter testing on the optical fiber.
And an indicator lamp is arranged on the clamp, after the test is finished, if the optical fiber is qualified, a green lamp is displayed, and if the optical fiber is not qualified, a red lamp is displayed, so that unqualified port numbers can be conveniently marked.
d. The optical fiber after optical parameter testing is transmitted to an automatic end face detection station along with a clamp, the automatic end face detection station is provided with an end face detection clamp and a second driver, the clamp is matched with the end face detection clamp, the second driver presses the optical fiber after optical parameter testing down to the end face detection clamp along with the clamp, a camera on the automatic end face detection station collects and images the end face of the optical fiber, a control system on the automatic end face detection station controls the camera to automatically adjust focal length, the end face of the optical fiber is amplified by 400 times to be in the clearest state, an end face image is obtained, the end face of the optical fiber is identified, if the optical fiber is unqualified, an indicator light on the clamp is displayed as a red light, the unqualified port number is convenient to record, and if the optical fiber is.
e. Manually removing the clamp, removing the connector containing the unqualified optical fiber, and returning the unqualified connector to the automatic grinding station for re-grinding; the qualified connector flows to the next procedure.
Example 3
As another preferred embodiment of the present invention, the present invention comprises a process for automatically producing an optical fiber connector, comprising a jig passing through an automatic curing station, an automatic grinding station, an automatic optical parameter testing station and an automatic end face detecting station in sequence by a conveyor belt; the method specifically comprises the following steps:
a. the manipulator clamps an empty clamp on the conveyor belt to the automatic ferrule tray placing and glue injecting machine, and the automatic tray placing and glue injecting machine sequentially places the ferrules on the clamp and sequentially injects epoxy resin glue; the clamp which is clamped by the mechanical arm and injected with glue moves to an automatic fiber penetrating area, and an automatic fiber penetrating machine is used for tightly penetrating the optical fiber; when the automatic optical fiber threading machine threads the optical fiber, the manipulator clamps the next empty clamp to the automatic ferrule swinging disc glue injection machine, and when the optical fiber threading is finished, the manipulator moves the clamp threaded with the optical fiber to the conveying belt; through the conveyer belt conveying, anchor clamps conveying to the heating toasts the district, the district is toasted in the heating divide into low temperature zone of heating and high temperature zone of heating according to the direction of transfer of conveyer belt, wherein, low temperature heating district length 3 meters, and the temperature is 90 degrees, and high temperature heating district length 6 meters, temperature are 120 degrees, and anchor clamps pass the heating toast district with 0.3 meters/minute, accomplish the heating solidification.
b. The optical fiber which is heated and solidified enters a to-be-ground area through the transmission of a conveyor belt along with a clamp, and enters the to-be-ground area after being cooled in the to-be-ground area, the automatic grinding station of the grinding area comprises 4 grinding machines which are respectively used for finishing degumming, coarse grinding, fine grinding and polishing, and the grinding machines respectively use 30u, 9u, 1u of optical fiber grinding paper and polishing paper; the device also comprises 3 cleaning devices which are respectively used for cleaning after rough grinding, fine grinding and polishing; the grinding machine and the cleaning equipment are positioned below the conveying belt, a plurality of holes are formed in the conveying belt, the chuck is positioned on the conveying belt, and the optical fibers on the chuck are positioned in the holes.
Wherein the degumming, coarse grinding, fine grinding and polishing specifically refer to: when a photoelectric sensing module in a corresponding grinding machine detects that the optical fiber is conveyed to the upper part of the grinding machine along with the clamp, a driver beside the grinding machine or above the conveying belt drives the clamp to move downwards, the clamp is pressed downwards to a grinding platform of the grinding machine, the optical fiber on the clamp is in contact with a grinding sheet of the grinding machine, the grinding machine is a four-corner pressurized optical fiber grinding machine, a pressurizing device of the grinding machine pressurizes to four sides of the clamp, the grinding machine is automatically started to grind after pressurization is completed, the grinding is completed, the pressurizing device on the grinding machine is loosened, and the driver drives the clamp to automatically ascend to.
Wherein the cleaning is as follows: when the clamp is conveyed to the position right above the cleaning equipment, when the photoelectric sensing module in the corresponding cleaning equipment detects that the optical fiber is conveyed to the position above the cleaning equipment along with the clamp, the driver beside the cleaning equipment or above the conveying belt drives the clamp to move downwards, the cleaning equipment starts to work, the water spraying pipe in the cleaning equipment sprays water for 10S first, after the water spraying is finished, the air spraying pipe in the cleaning equipment sprays air for 15S, and after the air spraying is finished, the driver drives the clamp to ascend to the conveying belt again for continuous conveying. Wherein the waste water after washing flows into the interior of a recovery tank connected with the washing equipment, and a filtering layer in the recovery tank filters, absorbs dust and the like, and then discharges the waste water to a unified processing center.
And finally, after the cleaning is finished, the optical fiber is conveyed to a drying area through the optical fiber along with a clamp conveying belt, and the optical fiber is dried by 55-degree hot air.
c. The dried optical fiber is conveyed to an automatic optical parameter testing station along with a clamp, the automatic optical parameter testing station is provided with a photoelectric sensing module and an optical parameter testing clamp, the clamp is matched with the optical parameter testing clamp, a driver beside the automatic optical parameter testing station or above a conveyor belt presses the dried optical fiber down to the optical parameter testing clamp along with the clamp, a multi-channel winding-free insertion return loss tester of the automatic optical parameter testing station carries out optical parameter testing on the optical fiber, mainly tests 2 indexes of insertion loss and return loss, and automatically judges whether the optical fiber is qualified, if the Insertion Loss (IL) is that PC/UPC is less than or equal to 0.2dB (1310 nm), APC is less than or equal to 0.3dB (1310 nm), the optical fiber is qualified, and if the Insertion Loss (IL) is that PC/UPC is greater than 0.2dB (1310 nm), APC is greater than 0.3dB (1310 nm), the optical fiber is; if the Return Loss (RL) is PC/UPC > 50dB (1310 nm), APC > 60dB (1310 nm) is qualified, and if the Return Loss (RL) is PC/UPC < 50dB (1310 nm), APC < 60dB (1310 nm) is unqualified. And after the test is finished, the driver drives the optical fiber to rise back to the conveying belt along with the clamp, and the optical fiber is conveyed continuously.
Be equipped with the pilot lamp on the anchor clamps, if optic fibre is qualified, then show green lamp, if unqualified, show the red light, be convenient for mark unqualified port number.
d. The optical fiber after optical parameter test is transmitted to an automatic end face detection station along with a clamp, the automatic end face detection station is provided with an end face detection clamp, the clamp is matched with the end face detection clamp, a second driver beside the automatic end face detection station or above a conveyor belt presses the optical fiber after optical parameter test down to the end face detection clamp along with the clamp, a camera on the automatic end face detection station collects and images the end face of the optical fiber, a control system on the automatic end face detection station controls the camera to automatically adjust the focal length, the end face of the optical fiber is amplified by 400 times to the clearest state, an end face image is obtained, the image is compared with a previously recorded unqualified image, whether the phenomena of scratch, spot, collapse, dirt and the like of the end face of the optical fiber are judged to identify the end face of the optical fiber, whether the requirements are met or not is judged, if the optical fiber is unqualifie, the unqualified port number is convenient to be recorded, and if the optical fiber is qualified, a green light is displayed. And after the detection is finished, the second driver drives the optical fiber to rise back to the conveying belt along with the clamp, and the optical fiber is conveyed continuously.
e. Manually removing the clamp, removing the connector containing the unqualified optical fiber, and returning the unqualified connector to the automatic grinding station for re-grinding; the qualified connector flows to the next procedure.
In summary, after reading the present disclosure, those skilled in the art should make various other modifications without creative efforts according to the technical solutions and concepts of the present disclosure, which are within the protection scope of the present disclosure.
Claims (12)
1. A process method for automatically producing an optical fiber connector is characterized by comprising the following steps: the automatic optical parameter testing device comprises a clamp, wherein the clamp passes through an automatic curing station, an automatic grinding station, an automatic optical parameter testing station and an automatic end face detecting station in sequence through a conveying device; the method specifically comprises the following steps:
a. the automatic curing station finishes automatically placing the ferrule on the clamp, injecting glue into the ferrule, automatically penetrating the optical fiber and heating and curing in sequence, wherein the heating and curing specifically refers to: the optical fiber is conveyed to a heating baking area through a conveying device along with the clamp, the heating baking area is divided into a low-temperature heating area and a high-temperature heating area according to the conveying direction of the conveying device, and the optical fiber passes through the heating baking area along with the clamp at a constant speed to finish heating and curing;
b. the optical fiber which is heated and solidified enters a to-be-ground area along with the clamp through a conveying device, the optical fiber enters the to-be-ground area after being cooled in the to-be-ground area, and degumming, coarse grinding, cleaning, fine grinding, cleaning, polishing, cleaning and drying are sequentially completed on an automatic grinding station of the grinding area; the automatic grinding station is provided with a plurality of driving pieces which drive the clamp to move up and down, the clamp moves down to enable the optical fiber on the clamp to be in contact with the grinding sheet on the corresponding grinding machine for grinding, and the optical fiber is subjected to degumming, coarse grinding, fine grinding or polishing, or the clamp moves down to enable corresponding cleaning equipment to clean the optical fiber; moving the clamp upwards, automatically lifting the optical fiber to a conveying device along with the clamp, and continuously conveying the optical fiber;
c. the dried optical fiber is conveyed to an automatic optical parameter testing station along with a clamp, a multi-channel winding-free insertion return loss tester is adopted for optical parameter testing, unqualified ports are marked after the testing is finished, and the optical fiber is conveyed continuously through a conveying device;
d. the optical fiber after the optical parameter test is transmitted to an automatic end face detection station along with a clamp, and an acquisition imaging device on the automatic end face detection station acquires and images the end face of the optical fiber, identifies the end face of the optical fiber and marks an unqualified port;
e. manually removing the clamp, removing the connector containing the unqualified optical fiber, and returning the unqualified connector to the automatic grinding station for re-grinding; the qualified connector flows to the next procedure.
2. The process for automatically producing optical fiber connectors according to claim 1, wherein: in the step a, the low-temperature heating area is 2.5-3.5 meters long and the temperature is 85-95 ℃; the high-temperature heating area is 5.5-6.5 m long and the temperature is 110-125 ℃.
3. The process for automatically producing optical fiber connectors according to claim 2, wherein: the step b of degumming, coarse grinding, fine grinding and polishing specifically comprises the following steps: when the photoelectric sensing module in the corresponding grinding machine detects that the optical fiber is conveyed to the upper part of the grinding machine along with the clamp, the driving piece drives the clamp to move downwards, so that the optical fiber on the clamp is ground, and the degumming, coarse grinding, fine grinding or polishing is completed.
4. A process for automatically producing an optical fiber connector according to claim 3, wherein: the cleaning in the step b specifically comprises the following steps: when the photoelectric sensing module in the corresponding cleaning equipment detects that the optical fiber is conveyed to the upper part of the cleaning equipment along with the clamp, the driving part drives the clamp to move downwards to drive the optical fiber to move downwards, and the cleaning equipment cleans the optical fiber.
5. The process for automatically producing optical fiber connectors according to claim 4, wherein the process comprises the following steps: the cleaning equipment comprises a water spraying pipe and an air spraying pipe, and the optical fiber is sprayed with water and then blown with air.
6. The process for automatically producing optical fiber connectors according to claim 5, wherein the process comprises the following steps: the cleaning equipment is connected with a recovery tank, a filtering device is arranged in the recovery tank, and the waste water after cleaning is filtered and subjected to dust absorption.
7. The process for automatically producing optical fiber connectors according to claim 6, wherein the process comprises the following steps: the step b of drying refers to drying by utilizing 45-55 degrees of hot air.
8. A process for automatically producing optical fiber connectors according to claim 2 or 7, wherein: in the step c, the automatic optical parameter testing station is provided with an optical parameter testing fixture and a driver, the fixture is matched with the optical parameter testing fixture, and the driver presses down the dried optical fiber onto the optical parameter testing fixture along with the fixture to test the optical parameters.
9. The process for automatically producing an optical fiber connector according to claim 8, wherein: and d, arranging an end face detection clamp and a second driver on the automatic end face detection station, wherein the clamp is matched with the end face detection clamp, and the second driver presses down the optical fiber which is subjected to the optical parameter test to the end face detection clamp along with the clamp to perform acquisition imaging.
10. The process for automatically producing an optical fiber connector according to claim 9, wherein: in the step d, when the optical fiber end face is subjected to acquisition imaging, the acquisition imaging equipment automatically adjusts the focal length, and the optical fiber end face is amplified by 400 times to be identified in the clearest state.
11. A process for automatically producing optical fiber connectors according to claim 2 or 10, wherein: in the step a, the specific steps of automatically placing the ferrule on the fixture, injecting glue into the ferrule and automatically penetrating the optical fiber are as follows: the manipulator clamps an empty clamp on the conveying device to the automatic ferrule tray placing and glue injecting machine, and the automatic ferrule tray placing and glue injecting machine sequentially places ferrules on the clamp and sequentially injects epoxy resin glue; the clamp which is clamped by the mechanical arm and injected with glue moves to an automatic fiber penetrating area to finish tightly penetrating the optical fiber; the manipulator moves the clamp with the optical fiber threaded through to the conveying device.
12. The process for automatically producing fiber optic connectors according to claim 11, wherein: the manipulator clamps the clamps injected with glue and moves to an automatic fiber penetrating area, when the fiber is penetrated automatically, the manipulator clamps the next empty clamp to the automatic ferrule swinging plate glue injection machine, and when the fiber is penetrated automatically, the manipulator moves the clamps subjected to fiber penetrating to the conveying device.
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| CN111175909A (en) * | 2020-03-02 | 2020-05-19 | 苏州苏驼通信科技股份有限公司 | Manufacturing method of optical fiber movable connector |
| CN113414643A (en) * | 2021-06-19 | 2021-09-21 | 贵州航箭电子产品有限公司 | Grinding method of rectangular electric connector |
| CN113751276B (en) * | 2021-08-19 | 2022-05-17 | 深圳市博邦精密科技有限公司 | Intelligent processing equipment and processing method for multi-core optical fiber connector |
| CN114200579A (en) * | 2021-12-20 | 2022-03-18 | 四川天邑康和通信股份有限公司 | Automatic production method of array waveguide grating |
| CN115561863A (en) * | 2022-10-11 | 2023-01-03 | 四川天邑康和通信股份有限公司 | Manufacturing method of self-adhesion invisible optical fiber movable connector |
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