CN210375625U - Automatic testing device for optical fiber coupler - Google Patents
Automatic testing device for optical fiber coupler Download PDFInfo
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- CN210375625U CN210375625U CN201921427703.7U CN201921427703U CN210375625U CN 210375625 U CN210375625 U CN 210375625U CN 201921427703 U CN201921427703 U CN 201921427703U CN 210375625 U CN210375625 U CN 210375625U
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Abstract
The utility model discloses a device is used in automatic test of fiber coupler, including the frame and install the function module circuit board in the frame inside, be provided with optic fibre on the function module circuit board and shell fine mechanism, optic fibre cutting mechanism, the clean mechanism of optic fibre, light source and dynamometer alignment mechanism, the top of function module circuit board is provided with the frock structure, the frock structure is connected with actuating mechanism, fiber coupler presss from both sides and locates in the frock structure, actuating mechanism drive frock structure removes between each mechanism, light source and dynamometer alignment mechanism are connected with dynamometer parameter processing system. A plurality of functional modules are integrated in the device for automatically testing the optical fiber coupler, the optical fiber coupler to be tested can be driven to realize processing or testing in each station through a driving tool structural part, and finally the testing of the optical fiber coupler is completed. By using the device, the flow operation of the optical fiber coupler test can be realized, the test efficiency is greatly improved, and the labor cost is reduced.
Description
Technical Field
The utility model relates to an optical fiber coupler tests technical field, in particular to device is used in automatic test of optical fiber coupler.
Background
In recent years, with the increasing of labor cost, human resources are in more and more shortage, various industries are developing towards automation, and the industry of optical fiber devices is no exception. However, the existing optical fiber passive device is still mainly operated manually in the production and test fields, and the automation degree is not high.
The general test method of the existing optical fiber passive device is complex and basically operated by manpower. The test procedure for insertion loss and polarization dependent loss is generally as follows: firstly, coating layers of optical fibers at the input end and the light source end of an optical fiber passive device are removed by using Miller pliers, the optical fibers after fiber stripping are cleaned by dipping dust-free paper in alcohol, and then the end faces of the optical fibers are cut by using a cutter; and then the two cut optical fibers are placed into an optical fiber fusion splicer for fusion splicing or an aligner for alignment. The second step is that two optical fibers at the output end of the optical fiber passive device are stripped, cleaned and cut; and then the two cut optical fibers are respectively placed in a special optical fiber test clamp, inserted into a probe of the optical power meter, and then the insertion loss reading of the power meter is checked. The polarizer was also tapped into the light source side if needed to test for polarization dependent loss, then the polarizer was hand-shaken and observed for changes in dynamometer readings. The maximum value of the index change in this process is remembered, i.e. the polarization dependent loss value of the device.
The operation and reading of the test process are manual operation, the requirement on the skill of an operator is high, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an optical fiber coupler is device for automatic test to solve the problem that proposes among the above-mentioned background art.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a device is used in automatic test of fiber coupler, includes the frame and installs the function module integrated board in the frame inside, be provided with optic fibre on the function template integrated board and shell fine mechanism, optic fibre cutting mechanism, the clean mechanism of optic fibre, light source and dynamometer alignment mechanism, the top of function module integrated board is provided with the frock structure, the frock structure is connected with actuating mechanism, and fiber coupler presss from both sides and locates in the frock structure, actuating mechanism drive frock structure removes between each mechanism, light source and dynamometer alignment mechanism are connected with dynamometer parameter processing system.
As an improvement of the above scheme, the tooling structure includes a tooling body and three optical fiber clamp structures, the tooling body is plate-shaped, one end of the tooling body extends along the length direction of the tooling body to form a first connecting portion, the other end of the tooling body extends along the length direction of the tooling body to form two second connecting portions distributed at intervals, the three optical fiber clamp structures are respectively mounted on the first connecting portion and the second connecting portion, the middle portion of the tooling body is provided with two fiber winding portions distributed at intervals and a station positioning hole penetrating through the tooling body, the tooling body is further provided with a fixing clamp positioned between the two fiber winding portions, two sides of the tooling body are respectively provided with an optical fiber baffle, the upper end of the optical fiber baffle is bent towards the middle portion of the tooling body to form an L shape, and an optical fiber baffle groove is formed between the optical fiber baffle and the tool piece body.
As an improvement of the above scheme, the fiber winding part comprises a fiber winding upright post and a retainer ring, the bottom of the fiber winding upright post is fixedly connected with the tool body, the retainer ring is arranged at the top of the fiber winding upright post, the diameter of the retainer ring is larger than that of the fiber winding upright post, the bottom of the retainer ring, the periphery of the fiber winding upright post and the upper surface of the tool body form a winding groove together, and the fiber winding upright post and/or the retainer ring are/is a first magnetic part.
As an improvement of the above scheme, the optical fiber clamp structure includes an optical fiber clamp base and an optical fiber gland, the upper portion of the optical fiber clamp base is provided with a V-shaped groove arranged along the length direction of the optical fiber clamp base, the bottom of the optical fiber gland is tightly fitted with the upper portion of the optical fiber clamp base, the bottom of the optical fiber gland and two side walls of the V-shaped groove jointly form an extrusion cavity for extruding optical fibers, the lateral portion of the optical fiber gland is hinged to the optical fiber clamp base, a second magnetic member is arranged on the optical fiber gland, a third magnetic member is arranged on the optical fiber clamp base, and when the optical fiber gland rotates to be attached to the optical fiber clamp base, the third magnetic member is attracted to the second magnetic member by magnetic force.
As an improvement of the scheme, soft rubber is arranged at the bottom of the optical fiber gland, and when the optical fiber gland rotates to be attached to the optical fiber clamp base, the soft rubber and two side walls of the V-shaped groove jointly form an extrusion cavity.
As an improvement of the scheme, the fixing clamp comprises an opening which is arranged upwards, the end part of the opening points to the end part of the tool part body, the opening is an arc-shaped opening, and a deformation groove is formed in the bottom of the arc-shaped opening.
As an improvement of the above scheme, the optical fiber stripping mechanism comprises a fiber stripping cylinder, a front and rear driving module, an upper and lower driving module and a blade cleaning module, wherein a first knife rest and a second knife rest are arranged on the fiber stripping cylinder at intervals, a first blade is arranged on the first knife rest, a second blade is arranged on the second knife rest, the first blade and the second blade are arranged oppositely, the fiber stripping cylinder drives the first knife rest and the second knife rest to move in the left and right directions in opposite directions or in the back direction, and the fiber stripping cylinder is arranged on the front and rear driving module so that the fiber stripping cylinder can reciprocate in the front and rear directions; the blade cleaning module comprises a rotating shaft and a brush transversely arranged on the rotating shaft, and the blade cleaning module is arranged on the up-and-down driving module so that the brush can reciprocate in the up-and-down direction;
when the fiber stripping cylinder moves to the front end and the blade cleaning module moves to the upper end, the brush can rotate between the first tool rest and the second tool rest.
As an improvement of the scheme, the number of the fiber stripping cylinders is two and the fiber stripping cylinders are arranged in a flush manner, and the number of the brushes on the rotating shaft is correspondingly set to be two.
As an improvement of the above scheme, the front and rear driving module includes a first driving body and a first slider, the first driving body drives the first slider to move back and forth, the up and down driving module includes a second driving body and a second slider, the second driving body drives the second slider to move up and down, the second driving body is fixedly connected with the first slider, the fiber stripping cylinder is fixedly connected with the second driving body, and the blade cleaning module is fixedly connected with the second slider.
As an improvement of the above, when the first blade and the second blade move toward each other to a minimum distance, the distance between the first blade and the second blade is greater than the core diameter of the optical fiber and smaller than the cladding diameter of the optical fiber; the hairbrush comprises a support shaft and a hair root, wherein the hair root is attached to the support shaft in a divergent mode, the hair root surrounds the hair root to form the outer diameter of the hairbrush, when the first knife rest and the second knife rest move back to the maximum distance, the distance between the first blade and the second blade is larger than the diameter of the support shaft, and the distance between the first knife rest and the second knife rest is smaller than the whole outer diameter of the hairbrush.
Has the advantages that: the device for automatically testing the optical fiber coupler integrates functional modules such as an optical fiber stripping mechanism, an optical fiber cutting mechanism, an optical fiber cleaning mechanism, a light source and a power meter aligning mechanism, and can drive the optical fiber coupler to be tested to realize processing or testing in each station through a driving tool structural part, so that the testing of the optical fiber coupler is finally completed. The power meter parameter processing system can analyze and judge the power information collected by the power meter, and further finish the judgment on whether the test result is qualified or not. By using the device, the flow operation of the optical fiber coupler test can be realized, the test efficiency is greatly improved, and the labor cost is reduced.
Drawings
The invention is further described with reference to the following figures and examples:
fig. 1 is a schematic diagram of an overall structure of an apparatus for an automatic test of an optical fiber coupler according to an embodiment of the present invention;
FIG. 2 is a schematic plan view of the tooling structure;
FIG. 3 is a schematic structural view of a fiber winding part;
FIG. 4 is a side view of the retaining clip;
FIG. 5 is a schematic view of a fiber baffle;
FIG. 6 is a side view of a fiber clamp base;
FIG. 7 is a perspective view of a fiber clamp configuration;
FIG. 8 is a schematic view of the overall structure of a single fiber stripping mechanism;
FIG. 9 is a schematic diagram of the overall structure of the dual fiber stripping mechanism;
FIG. 10 is an exploded view of a single fiber stripping mechanism.
Detailed Description
Referring to fig. 1 to 10, the embodiment of the present invention provides an automatic testing device for an optical fiber coupler, which mainly comprises a frame 1, a functional module integrated board 2 installed inside the frame 1, and a plurality of functional modules installed on the functional module integrated board 2.
Specifically, the functional template integrated board is provided with an optical fiber stripping mechanism, an optical fiber cutting mechanism, an optical fiber cleaning mechanism, a light source and a power meter alignment mechanism and the like. Each module corresponds to a station, a tool structural member is arranged above the functional module integration plate 2, and the optical fiber coupler to be tested is clamped in the tool structural member. The tool structural part is connected with a driving mechanism. The driving mechanism has three degrees of freedom, so that the driving of the tool structural part is freely realized. The light source and the power meter aligning mechanism are connected with a power meter parameter processing system, and the power meter parameter processing system can judge the power information collected by the power meter and distinguish whether the optical fiber coupler is qualified or not by taking the power information as a basis.
Specifically, the power meter parameter processing system comprises a control box 3, an operation interface 4, a display screen 5 and the like. The control box 3 is used for scanning and outputting the single-point or broadband light source of the adjustable light source, the control box 3 is used for reading the measurement insertion loss value and the polarization-related loss value of the power meter, and the reading result is compared with a set value. If the measured value meets the requirement, the product is judged to be qualified, otherwise, the product is not qualified. Automatically archiving qualified results and printing a data sheet, wherein the product flows into a qualified product position; and giving an option of whether retesting is needed or not for the unqualified result, manually determining, if retesting, performing the alignment test again by the aligner, and if not, archiving the test result and flowing the product to an unqualified position. The operator can realize the adjustment control through the operation interface 4.
The device for automatically testing the optical fiber coupler integrates the plurality of functional modules, so that the optical fiber coupler to be tested is conveyed to the plurality of functional modules to be processed or tested, and finally, the automatic test of the optical fiber coupler is completed. By using the device, the flow operation of the optical fiber coupler test can be realized, the test efficiency is greatly improved, and the labor cost is reduced.
Preferably, referring again to fig. 2 to 7, the tooling structure is composed of a tooling body 10, three fiber clamp structures 50, a fiber winding part 30, a fixing clamp 20, a fiber baffle 40, and the like.
The fixture body 10 is plate-shaped, and in this embodiment, the fixture body 10 is rectangular. One end of the tooling body 10 extends along the length direction of the tooling body 10 to form a first connecting portion, and the other end of the tooling body 10 extends along the length direction of the tooling body 10 to form two second connecting portions which are distributed at intervals. The three fiber clamp structures 50 are mounted on the first connection portion and the second connection portion, respectively. Specifically, the three optical fiber clamp structures 50 include an input end optical fiber clamp and two output end optical fiber clamps, the input end optical fiber clamp is fixedly mounted on the first connecting portion of the middle portion of the left end of the tooling part body 10, and the output end optical fiber clamps are two and are respectively symmetrically mounted on the second connecting portion of the right end of the tooling part body 10. The optical fiber clamp structure 50 is provided with mounting hole positions, the connecting portions are correspondingly provided with threaded holes, and the optical fiber clamp structure 50 is detachably mounted in a threaded connection mode.
This frock structure is provided with the connecting portion that supply 50 location installations of optic fibre to press from both sides the structure, and connecting portion stretch out in frock spare body 10, for 50 supports that provide of optic fibre press from both sides the structure, whole rigidity reinforcing. In the test process, the whole deformation of the optical fiber clamp structure 50 is small, and the accuracy of the test result is ensured.
The number of the fiber winding parts 30 is two, one of the fiber winding parts 30 is installed at the middle part of the left end of the tool body 10, the other fiber winding part 30 is installed at the middle part of the right end of the tool body 10, and the two fiber winding parts 30 are arranged on the central line of the tool body 10 in the length direction. The fixing clip 20 is installed at the middle portion of the tool body 10, and in this embodiment, the fixing clip 20 is located between the two fiber winding portions 30 and is disposed above the two fiber winding portions 30. The relative positions of the whole input end optical fiber clamp, the output end optical fiber clamp, the fiber winding part 30 and the fixing clamp 20 on the tool body 10 are fixed, so that the winding of the optical fiber and the better insertion of the optical fiber into the optical fiber clamp are conveniently realized.
The optical fiber coupler is fixedly arranged in the fixing clamp 20, and an input optical fiber extending out of the optical fiber coupler body is wound by one of the fiber winding parts 30 and then extends into the optical fiber clamp structure 50 at the input end to realize clamping; after the two output optical fibers extending out of the optical fiber coupler body are wound by the other fiber winding part 30, the two output optical fibers respectively extend into the optical fiber clamp structures 50 at the output ends to realize clamping. The three optical fibers can be wound around the fiber winding portion 30 for several turns, so as to achieve the purpose of adjusting the free length of the optical fibers. After the optical fiber is wound, the optical fiber is basically and completely positioned inside the tool body 10, so that the situation that the optical fiber is accidentally pulled in the test process is avoided, and the test can be stably carried out.
In order to avoid excessive bending of the optical fiber, the optical fiber is generally inserted into the optical fiber clamp structure 50 away from one of the fiber winding parts 30 in a reverse direction after the fiber winding part 30 is wound. At this time, the transition length of the optical fiber between the fiber winding portion 30 and the optical fiber clamp structure 50 is long, and the bending is small, so that the clamping and fixing of the optical fiber are conveniently realized.
Specifically, the fiber winding part 30 includes a fiber winding column 31 and a retainer ring 32, and the bottom of the fiber winding column 31 is fixedly connected with the tooling part body 10, and the connection mode can be a threaded connection, so that the disassembly is convenient. The retainer ring 32 is fixedly arranged at the top of the fiber winding upright post 31, the diameter of the retainer ring 32 is larger than that of the fiber winding upright post 31, and the bottom of the retainer ring 32, the periphery of the fiber winding upright post 31 and the upper surface of the tool body 10 form a winding groove together. The optical fiber is wound in the winding groove, so that the optical fiber is prevented from accidentally running out in the test process.
Preferably, one of the fiber winding column 31 and the retainer ring 32 is a first magnetic member, which may be a magnet. Through the magnetic attraction, the whole tooling part can be driven, so that the tooling part can move on each station. Meanwhile, the fiber winding column 31 and the retainer ring 32 can also be manufactured into a whole and are made of magnetic materials.
Meanwhile, the fixing clip 20 may be configured to include an upward opening, and an end of the opening is directed to an end of the tool body 10. The opening is an arc-shaped opening 21, the size and shape of the arc-shaped opening 21 are matched with the size and shape of the optical fiber coupler body, and the opening width of the arc-shaped opening 21 is slightly smaller than the size of the optical fiber coupler body, so that the arc-shaped opening 21 deforms and provides clamping force to clamp the optical fiber coupler body. In order to enhance the deformability of the arc-shaped opening 21, a deformation groove 22 is provided at the bottom of the arc-shaped opening 21. After the optical fiber coupler body is embedded into the arc-shaped opening 21, the arrangement orientation of the optical fiber coupler body is consistent with the length direction of the tool body 10, and the optical fiber is conveniently wound.
Meanwhile, the tool part body 10 is further provided with two station positioning holes penetrating through the tool part body 10, and accurate positioning of the tool structural part in movement of each station is facilitated.
Further, the optical fiber baffle 40 is respectively arranged on two sides of the fixture body 10, and the optical fiber baffle 40 is vertically arranged on the fixture body 10 and used for limiting the optical fiber to run out of the fixture body 10. In order to further enhance the limiting effect, the upper end of the optical fiber baffle 40 is bent towards the middle part of the tool body 10 to form an L shape, an optical fiber blocking groove is formed between the L-shaped optical fiber baffle 40 and the tool body 10, and the optical fiber can be limited in the optical fiber blocking groove.
Preferably, the fiber clamp structure 50 is primarily comprised of a fiber clamp base 51 and a fiber gland 52. The upper portion of the optical fiber clamp base 51 is provided with a V-shaped groove 511 arranged along the length direction of the optical fiber clamp base 51, the bottom of the optical fiber gland 52 is closely attached to the upper portion of the optical fiber clamp base 51 in a matched manner, and the bottom of the optical fiber gland 52 and two side walls of the V-shaped groove 511 form an extrusion cavity for extruding optical fibers together. Specifically, the side of the fiber gland 52 is hinged to the fiber clamp base 51 by a pin so that the fiber gland 52 can be flipped around the fiber clamp base 51.
The optical fiber is placed into the V-shaped groove 511, when the optical fiber gland 52 is turned to the bottom to be attached to the optical fiber clamp base 51, the bottom of the optical fiber gland 52 applies pressure on the upper portion of the optical fiber, meanwhile, the two side walls of the V-shaped groove 511 provide upward oblique pressure to the left side and the right side of the optical fiber, and the optical fiber is firmly clamped under the combined action of the V-shaped groove 511 and the optical fiber gland 52. The clamping mode is similar to three-jaw clamping, the requirement on the precision of the optical fiber size is not high, even if the roundness of the optical fiber is not accurate enough, the clamping of the optical fiber can be well realized, and the precision of performance testing is further ensured. Meanwhile, the optical fiber gland 52 is provided with a second magnetic part, the optical fiber clamp base 51 is provided with a third magnetic part, and when the optical fiber gland 52 rotates to be attached to the optical fiber clamp base 51, the third magnetic part is attracted with the second magnetic part through magnetic force. The second magnetic member and the third magnetic member may be a combination of a magnet and an iron core, or may be both magnets. The magnet is preferably positioned on the fiber gland 52 away from the hinged side to facilitate more stability of the magnetic attraction.
Further, soft rubber is arranged at the bottom of the optical fiber gland 52, and when the optical fiber gland 52 rotates to be attached to the optical fiber clamp base 51, the soft rubber and two side walls of the V-shaped groove 511 form an extrusion cavity together. The flexible glue is formed by plastic through injection molding, the flexible glue can deform and prevent slipping, the flexible glue extrudes the optical fiber, the optical fiber is protected from being damaged on the one hand, the size deviation of the optical fiber is made up through deformation of the flexible glue on the other hand, and the clamping effect is further ensured.
Preferably, the fiber clamp base 51 is radially provided with a positioning protrusion 512, and the bottom of the fiber gland 52 is provided with a positioning groove 522 engaged with the positioning protrusion 512. When the optical fiber gland 52 rotates to be tightly attached to the optical fiber clamp base 51, the positioning convex strips 512 are in nested fit with the positioning grooves 522, the positioning grooves 522 realize guiding positioning, and the accurate closing position of the optical fiber gland 52 is ensured. Meanwhile, when the optical fiber is pulled, the optical fiber applies axial friction force to the optical fiber gland 52 and the optical fiber clamp base 51, the optical fiber gland 52 cannot move axially with the optical fiber clamp base 51 under the limitation of the positioning groove 522, and the optical fiber clamping effect is ensured.
Further preferably, the optical fiber gland 52 is formed with a toggle part 521 protruding from the optical fiber clamp base 51 at the side away from the hinge, so that an operator can rotate and open the optical fiber gland 52 conveniently.
For convenience of installation, the optical fiber clamp base 51 is provided with a mounting portion 513 located at the front end of the optical fiber gland 52, the mounting portion 513 is provided with a mounting hole, a tool is provided with a threaded hole, and the optical fiber clamp structure 50 can be fixedly mounted on the tool through a screw.
Meanwhile, the fiber clamp base 51 is further provided with a guide portion 514 located between the mounting portion 513 and the fiber gland 52, and the guide portion 514 includes a guide groove 5141 butted with the V-groove 511. The optical fiber is guided by the guide groove 5141 and then inserted into the V-shaped groove 511, the optical fiber is fastened in the V-shaped groove 511, the optical fiber in the guide groove 5141 is limited to extend at a zero angle with the optical fiber at the clamping part, the end clamped by the optical fiber is prevented from being suddenly bent, and the optical fiber is prevented from being additionally damaged.
Arc-shaped surfaces 5142 are respectively formed at two sides of the opening of the guide groove 5141, and the optical fiber can slide into the guide groove 5141 from top to bottom along the arc-shaped surfaces 5142, so that the optical fiber can be conveniently and quickly positioned to the guide groove 5141.
Referring to fig. 8 to 10 again, the optical fiber stripping mechanism includes a single optical fiber stripping mechanism and a dual optical fiber stripping mechanism, which have the same principle, and the only difference is that the dual optical fiber stripping mechanism can simultaneously operate the coating stripping of two optical fibers, while the single optical fiber stripping mechanism can only operate the coating stripping of one optical fiber at a time. The optical fiber stripping mechanism is generally arranged at an optical fiber stripping station and used for stripping an optical fiber coating layer on a tooling part.
Specifically, the optical fiber stripping mechanism is composed of a fiber stripping cylinder 80, a front and rear driving module 60, an up and down driving module 70, a blade cleaning module 90 and the like, and the optical fiber stripping mechanism is integrally and fixedly installed on the functional module integrated board 2. The fiber stripping cylinder 80 is installed on the front and rear driving module 60, and the front and rear driving module 60 drives the fiber stripping cylinder 80 so that the fiber stripping cylinder 80 can reciprocate in the front and rear direction.
The fiber stripping cylinder 80 is provided with a first tool rest 81 and a second tool rest 82 at intervals, the first tool rest 81 is provided with a first blade 811, the second tool rest 82 is provided with a second blade 821, the first blade 811 and the second blade 821 are oppositely arranged, and the fiber stripping cylinder 80 drives the first tool rest 81 and the second tool rest 82 to move in the left-right direction in an opposite or back-to-back manner.
The blade cleaning module 90 includes a rotation shaft 91 and brushes 92 transversely provided on the rotation shaft 91, and the blade cleaning module 90 is mounted on the up-down driving module 70, and the blade cleaning module 90 is driven on the up-down driving module 70 such that the brushes 92 can reciprocate in the up-down direction.
The fiber stripping cylinder 80 is a finger cylinder, two fingers extending out of the finger cylinder are parallel to each other and can move in opposite directions or in back directions, and a first tool rest 81 and a second tool rest 82 are respectively arranged on the two fingers. The fiber stripping cylinder 80 drives two fingers to move back to back, so that the first blade 811 and the second blade 821 are opened; the front and rear driving module 60 drives the fiber stripping cylinder 80 to move forward to a fiber stripping station, and the fiber to be stripped extends between the first blade 811 and the second blade 821; the fiber stripping cylinder 80 drives the two fingers to move oppositely, and the first blade 811 and the second blade 821 prick the optical fiber to be stripped; the front and rear driving module 60 drives the fiber stripping cylinder 80 to move backwards to a position far away from the optical fiber stripping station, so as to complete the stripping of the optical fiber coating layer.
In order to clean residues on the tool rest and the blades, the front and rear driving module 60 drives the fiber stripping cylinder 80 to move forwards to the optical fiber stripping station again, and the fiber stripping cylinder 80 drives two fingers to move backwards, so that the first blade 811 and the second blade 821 are in an open state; meanwhile, the up-down driving module 70 drives the blade cleaning module 90 to move to the upper end, so that the brush 92 is positioned between the first blade 811 and the second blade 821, and the brush 92 continuously rotates, thereby completing the cleaning of the blade carrier and the blade. The up-down driving module 70 then drives the blade cleaning module 90 to move downward to the reset position for the next optical fiber stripping. To ensure the cleaning effect, the driving module can drive the blade cleaning module 90 to reciprocate up and down twice.
The utility model discloses the device can realize that optic fibre peels off through peeling off first blade 811 of fine cylinder 80 drive and second blade 821 relative movement. The blade for stripping the optical fiber does not need to rotate, only needs to do simple horizontal movement, and has simpler structure, higher stability and higher success rate of stripping the optical fiber.
Specifically, the front-back driving module 60 in the optical fiber stripping mechanism comprises a first driving body and a first sliding block 61, the first driving body drives the first sliding block 61 to move back and forth, the up-down driving module 70 comprises a second driving body and a second sliding block 71, and the second driving body drives the second sliding block 71 to move up and down. The first driving body is fixedly mounted on the functional module integration board 2. The second driving body and the first sliding block 61 are installed integrally, the fiber stripping cylinder 80 and the second driving body are installed integrally, and the blade cleaning module 90 and the second sliding block 71 are installed integrally.
Wherein, first drive body and second drive body all include driving motor and lead screw, and the cover is equipped with the bearing on the lead screw, and first slider 61 and second slider 71 are fixed connection respectively on corresponding bearing. The driving motor drives the lead screw to rotate, and the bearing reciprocates on the lead screw, so that the first sliding block 61 and the second sliding block 71 are driven to reciprocate. The blade cleaning module 90 further includes a drive motor and a coupling, the drive motor being connected to the rotating shaft 91 through the coupling. The driving motor drives the rotation shaft 91 to rotate, and the brush 92 rotates following the rotation shaft 91 to complete cleaning.
Meanwhile, a collection box 100 is provided below the brush 92 to collect the residue. The collecting cassette 100 is fixedly mounted on the second slider 71. One side edge of the collecting box 100 is upwardly formed with a mounting bracket for fixedly mounting the blade cleaning module 90.
Each transmission part in the optical fiber stripping mechanism is simple in structure, stable and reliable, and reasonable in spatial arrangement.
Preferably, when the first blade 811 and the second blade 821 move toward each other to the minimum distance, the distance between the first blade 811 and the second blade 821 is larger than the core diameter of the optical fiber and smaller than the cladding diameter of the optical fiber, so as to prevent the blades from cutting into the core portion of the optical fiber and damaging the optical fiber.
Meanwhile, the brush 92 comprises a support shaft and hair roots, the hair roots are attached to the support shaft in a divergent manner, the surrounding hair roots form the outer diameter of the brush 92, and when the first tool rest 81 and the second tool rest 82 move back to the maximum distance, the distance between the first blade 811 and the second blade 821 is larger than the diameter of the support shaft, so that the support shaft and the blades are prevented from colliding, and further the blades are prevented from being damaged; also, the distance between the first blade holder 81 and the second blade holder 82 is set smaller than the outer diameter of the brush 92 as a whole. The brush 92 is soft and easily deformed, and when the overall outer diameter of the brush 92 is large, the cleaning effect is improved.
In the dual optical fiber stripping mechanism, the number of the stripping cylinders 80 is two and the stripping cylinders are arranged in parallel, and the number of the brushes 92 on the rotating shaft 91 is correspondingly two.
The other functional modules in the device are not described in detail in the specification, and do not represent that the specific structure of the device is not sufficiently disclosed, and the other functional modules which are not described adopt the structures and principles which are commonly used in the field, and are understood to be well known by those skilled in the art, and do not influence the implementation of the whole device.
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 (10)
1. The utility model provides a device is used in automatic test of fiber coupler which characterized in that: the optical fiber coupler integrated board comprises a rack and a functional module integrated board arranged inside the rack, wherein an optical fiber stripping mechanism, an optical fiber cutting mechanism, an optical fiber cleaning mechanism, a light source and a power meter aligning mechanism are arranged on the functional module integrated board, a tool structural part is arranged above the functional module integrated board, the tool structural part is connected with a driving mechanism, an optical fiber coupler is clamped in the tool structural part, the driving mechanism drives the tool structural part to move between mechanisms, and the light source and the power meter aligning mechanism are connected with a power meter parameter processing system.
2. The apparatus for automatic testing of fiber optic couplers of claim 1, wherein: the tool structure comprises a tool body and three optical fiber clamp structures, wherein the tool body is in a plate shape, one end of the tool body extends along the length direction of the tool body to form a first connecting part, the other end of the tool body extends along the length direction of the tool body to form two second connecting parts which are distributed at intervals, the three optical fiber clamp structures are respectively arranged on the first connecting part and the second connecting part, the middle part of the tool body is provided with two fiber winding parts which are distributed at intervals and a station positioning hole which penetrates through the tool body, the tool body is also provided with a fixing clamp positioned between the two fiber winding parts, two sides of the tool body are respectively provided with an optical fiber baffle, and the upper end part of the optical fiber baffle is bent into an L shape towards the middle part of the tool body, and an optical fiber baffle groove is formed between the optical fiber baffle and the tool piece body.
3. The apparatus for automatic testing of fiber optic couplers of claim 2, wherein: the fiber winding part comprises a fiber winding stand column and a retainer ring, the bottom of the fiber winding stand column is fixedly connected with the tool part body, the retainer ring is arranged at the top of the fiber winding stand column, the diameter of the retainer ring is larger than that of the fiber winding stand column, the bottom of the retainer ring, the periphery of the fiber winding stand column and the upper surface of the tool part body form a winding groove together, and the fiber winding stand column and/or the retainer ring are first magnetic parts.
4. The apparatus for automatic testing of fiber optic couplers of claim 3, wherein: the optical fiber clamp structure comprises an optical fiber clamp base and an optical fiber gland, wherein a V-shaped groove arranged along the length direction of the optical fiber clamp base is formed in the upper portion of the optical fiber clamp base, the bottom of the optical fiber gland is matched with the upper portion of the optical fiber clamp base to be tightly attached, an extrusion cavity used for extruding optical fibers is formed by the bottom of the optical fiber gland and the two side walls of the V-shaped groove, the lateral portion of the optical fiber gland is hinged to the optical fiber clamp base, a second magnetic part is arranged on the optical fiber press cover, a third magnetic part is arranged on the optical fiber clamp base, the optical fiber gland rotates to be attached to the optical fiber clamp base, and the third magnetic part is attracted to the second magnetic part.
5. The apparatus for automatic testing of fiber optic couplers of claim 4, wherein: the bottom of the optical fiber gland is provided with soft rubber, and when the optical fiber gland rotates to be attached to the optical fiber clamp base, the soft rubber and two side walls of the V-shaped groove form an extrusion cavity together.
6. The apparatus for automatic testing of fiber optic couplers of claim 2, wherein: the fixing clamp comprises an opening which is arranged upwards, the end part of the opening points to the end part of the tool part body, the opening is an arc-shaped opening, and a deformation groove is formed in the bottom of the arc-shaped opening.
7. The apparatus for automatic testing of fiber optic couplers of claim 1, wherein: the optical fiber stripping mechanism comprises a fiber stripping cylinder, a front and rear driving module, an up and down driving module and a blade cleaning module, wherein a first knife rest and a second knife rest are arranged on the fiber stripping cylinder at intervals, a first blade is arranged on the first knife rest, a second blade is arranged on the second knife rest, the first blade and the second blade are arranged oppositely, the fiber stripping cylinder drives the first knife rest and the second knife rest to move in the left and right directions in opposite directions or in the back direction, and the fiber stripping cylinder is arranged on the front and rear driving module so that the fiber stripping cylinder can move in the front and rear directions in a reciprocating manner; the blade cleaning module comprises a rotating shaft and a brush transversely arranged on the rotating shaft, and the blade cleaning module is arranged on the up-and-down driving module so that the brush can reciprocate in the up-and-down direction;
when the fiber stripping cylinder moves to the front end and the blade cleaning module moves to the upper end, the brush can rotate between the first tool rest and the second tool rest.
8. The apparatus for automatic testing of fiber optic couplers of claim 7, wherein: the quantity of shelling fine cylinder is two and is the parallel and level setting, the quantity of the epaxial brush of rotation sets to two correspondingly.
9. The apparatus for automatic testing of fiber optic couplers of claim 7, wherein: the front and rear driving module comprises a first driving body and a first sliding block, the first driving body drives the first sliding block to move back and forth, the upper and lower driving module comprises a second driving body and a second sliding block, the second driving body drives the second sliding block to move up and down, the second driving body is fixedly connected with the first sliding block, the fiber stripping cylinder is fixedly connected with the second driving body, and the blade cleaning module is fixedly connected with the second sliding block.
10. The apparatus for automatic testing of fiber optic couplers of claim 7, wherein: when the first blade and the second blade move oppositely to a minimum distance, the distance between the first blade and the second blade is larger than the core diameter of the optical fiber and smaller than the cladding diameter of the optical fiber; the hairbrush comprises a support shaft and a hair root, wherein the hair root is attached to the support shaft in a divergent mode, the hair root surrounds the hair root to form the outer diameter of the hairbrush, when the first knife rest and the second knife rest move back to the maximum distance, the distance between the first blade and the second blade is larger than the diameter of the support shaft, and the distance between the first knife rest and the second knife rest is smaller than the whole outer diameter of the hairbrush.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921427703.7U CN210375625U (en) | 2019-08-29 | 2019-08-29 | Automatic testing device for optical fiber coupler |
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| CN201921427703.7U CN210375625U (en) | 2019-08-29 | 2019-08-29 | Automatic testing device for optical fiber coupler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455496A (en) * | 2019-08-29 | 2019-11-15 | 广州奥鑫通讯设备有限公司 | A kind of automatic device for testing of fiber coupler |
| CN114486174A (en) * | 2022-01-10 | 2022-05-13 | 武汉思创精密激光科技有限公司 | Beam combiner testing device and method |
-
2019
- 2019-08-29 CN CN201921427703.7U patent/CN210375625U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455496A (en) * | 2019-08-29 | 2019-11-15 | 广州奥鑫通讯设备有限公司 | A kind of automatic device for testing of fiber coupler |
| CN114486174A (en) * | 2022-01-10 | 2022-05-13 | 武汉思创精密激光科技有限公司 | Beam combiner testing device and method |
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