CN215067416U - Polarization-maintaining double-optical-fiber tail fiber alignment equipment - Google Patents
Polarization-maintaining double-optical-fiber tail fiber alignment equipment Download PDFInfo
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- CN215067416U CN215067416U CN202121155480.0U CN202121155480U CN215067416U CN 215067416 U CN215067416 U CN 215067416U CN 202121155480 U CN202121155480 U CN 202121155480U CN 215067416 U CN215067416 U CN 215067416U
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Abstract
The utility model provides a polarization-maintaining double-optical-fiber tail fiber alignment device, which comprises a base, a CCD camera, a tail fiber fixing device and two optical fiber rotary clamps, wherein the CCD camera, the tail fiber fixing device and the two optical fiber rotary clamps are all arranged on the base, and the CCD camera and the optical fiber rotary clamps are respectively positioned at two sides of the tail fiber fixing device which are opposite to each other; the tail fiber fixing device comprises a fixed seat, a rotating wheel and a clamping plate, wherein the fixed seat is provided with a rotating wheel groove, the rotating wheel is positioned in the rotating wheel groove, and the clamping plate covers and presses the opening of the rotating wheel groove; the tail fiber mounting hole is formed in the axis position of the rotating wheel and exposed out of the rotating wheel groove, the peripheral wall of the rotating wheel is provided with a fastening bolt hole, the fastening bolt hole is communicated with the tail fiber mounting hole, and a fastening bolt is mounted on the fastening bolt hole; the CCD camera is arranged opposite to the tail fiber mounting hole. The utility model discloses a polarization-maintaining double-optical-fiber tail optical fiber alignment equipment is convenient for the counterpoint operation and can improve the precision of counterpointing.
Description
Technical Field
The utility model relates to an optical fiber alignment equipment technical field, it is specific, relate to a polarization maintaining double optical fiber tail optical fiber alignment equipment.
Background
The polarization maintaining optical fiber has a stress rod of a bear cat eye and is used for maintaining the transmission of single-polarization light through the optical fiber, so that the single-polarization effect can be well maintained. Because the polarization maintaining fiber is too thin and is easily brittle, a capillary is needed to fix the polarization maintaining fiber, and a pigtail is manufactured, so that the end face of the fiber can be ground later, and the fiber can be matched and fixed with other glass devices (such as lenses) later. As shown in fig. 1, a conventional pigtail with dual optical fibers includes two polarization maintaining optical fibers 1 and a microtube 2, and the polarization maintaining optical fibers 1 are inserted into the capillary tube 2. The two bear cat eyes of the two optical fibers in the tail fiber can be arranged according to the requirement, for example, in fig. 2, the bear cat eyes 11 are arranged in parallel or vertically, when the tail fiber is manufactured, because the bear cat eyes of the optical fibers cannot be observed by naked eyes, the amplified observation and the alignment are required to be carried out by means of a device such as a CCD camera.
Among the existing counterpoint equipment, fix on a platform through the sticky tape for the tail optical fiber usually, utilize the CCD camera to counterpoint and adjust, this kind of way is when rotatory optic fibre, and the tail optical fiber takes place to remove easily for the CCD camera is difficult for observing the counterpoint circumstances, and counterpoints accurate inadequately, consequently, needs research and development better counterpoint equipment.
Disclosure of Invention
The utility model aims at providing a two optic fibre tail optical fiber alignment equipment of polarization maintaining convenient to counterpoint operation just can improve the precision of counterpointing.
In order to achieve the above object, the polarization maintaining dual-fiber pigtail alignment apparatus provided by the present invention comprises a base, a CCD camera, a pigtail fixing device and two fiber rotating clamps, wherein the CCD camera, the pigtail fixing device and the two fiber rotating clamps are all mounted on the base, and the CCD camera and the fiber rotating clamps are respectively located on two opposite sides of the pigtail fixing device; the tail fiber fixing device comprises a fixed seat, a rotating wheel and a clamping plate, wherein the fixed seat is provided with a rotating wheel groove, the rotating wheel is positioned in the rotating wheel groove, and the clamping plate covers and presses the opening of the rotating wheel groove; the tail fiber mounting hole is formed in the axis position of the rotating wheel and exposed out of the rotating wheel groove, the peripheral wall of the rotating wheel is provided with a fastening bolt hole, the fastening bolt hole is communicated with the tail fiber mounting hole, and a fastening bolt is mounted on the fastening bolt hole; the CCD camera is arranged opposite to the tail fiber mounting hole.
According to the above technical scheme, the utility model discloses a tail optical fiber fixing device in the polarization-maintaining dual-optical fiber tail optical fiber counterpoint equipment cooperates fixed tail optical fiber through fixing base, runner and splint for when rotating optic fibre, can ensure the stability of tail optical fiber, improve the precision of counterpointing. And the gyro wheel sets up the tail fine mounting hole and is used for installing the tail fine for can take off the dress wheel from the fixing base earlier when the installation tail fine and in fixing the tail fine mounting hole of tail fine again, can be convenient for observe the installation condition, avoid fastening bolt to crush the tail fine, simultaneously, through the combination of runner and splint, prevented that the disc that the tail fine leads to because of the collision collapses and lacks when the clamping, improved the quality of product.
In a further scheme, one end of the clamping plate is hinged with the fixed seat.
Therefore, the clamping plate is hinged with the fixing seat, so that the rotating wheel can be conveniently fixed.
In a further scheme, the tail fiber fixing device further comprises an optical fiber flatwise placing table, and the optical fiber flatwise placing table is located between the rotating wheel and the optical fiber rotating clamp.
Therefore, the optical fiber flatwise placing platform is arranged, so that the optical fiber can be prevented from being bent, and the rotating efficiency is improved.
In a further scheme, the tail fiber fixing device further comprises a three-dimensional adjusting frame, and the fixing seat is installed on the three-dimensional adjusting frame.
Therefore, the three-dimensional adjusting frame is arranged, so that the position of the tail fiber fixing device can be conveniently adjusted, the tail fiber on the tail fiber fixing device is aligned with the CCD camera, and the alignment precision is improved.
In a further aspect, the wheel is made of a light transmissive material.
Therefore, the rotating wheel is made of the light-transmitting material, the fixing condition of the tail fiber can be observed conveniently, the dispensing condition can be observed during dispensing, and the glue is enabled to be solidified by illumination.
In a further scheme, the optical fiber rotary clamp comprises an optical fiber fixing rotary block, an optical fiber pressing plate and a rotary block bracket, wherein the optical fiber fixing rotary block is rotatably arranged on the rotary block bracket; the optical fiber fixing and rotating block is provided with an optical fiber groove which penetrates through the optical fiber fixing and rotating block along the axis direction, and the optical fiber pressing plate covers and presses the opening of the optical fiber groove.
Therefore, the optical fiber rotating clamp can fix the optical fiber through the optical fiber fixing rotating block and rotate the optical fiber, and the rotating precision can be improved. Meanwhile, the optical fiber groove is arranged, so that the optical fiber fixing efficiency can be improved.
In a further scheme, a cushion block is arranged on the optical fiber pressing plate and faces the optical fiber groove.
Therefore, the cushion blocks are arranged on the optical fiber pressing plate, and damage caused by overlarge stress of the optical fiber can be avoided.
In a further scheme, the polarization-maintaining double-optical-fiber tail fiber alignment equipment further comprises a rotary clamp adjusting support, and the two optical-fiber rotary clamps are arranged on the base through the rotary clamp adjusting support.
Therefore, the position of the optical fiber rotary clamp can be conveniently adjusted by arranging the rotary clamp adjusting bracket.
In the further scheme, the polarization-maintaining double-optical-fiber tail fiber alignment equipment further comprises a glue curing lamp, the glue curing lamp is installed on the base, and the lamp holder of the glue curing lamp is arranged towards the rotating wheel.
Therefore, by arranging the glue curing lamp, after alignment adjustment and glue dispensing can be conveniently completed, the tail fiber is irradiated and glued.
In a further scheme, the polarization-maintaining double-optical-fiber tail fiber alignment equipment further comprises a microscope, the microscope is installed on the base, and the microscope is located above the rotating wheel.
Therefore, the alignment time is shortened by arranging the microscope and observing the dispensing condition.
Drawings
Fig. 1 is a structural view of a conventional dual fiber pigtail.
Fig. 2 is a structural view of an end face of a conventional dual fiber pigtail.
Fig. 3 is a structural diagram of an embodiment of the polarization maintaining dual optical fiber pigtail alignment apparatus of the present invention.
Fig. 4 is a structural diagram of the tail fiber fixing device in the embodiment of the polarization maintaining dual-fiber tail fiber alignment apparatus of the present invention.
Fig. 5 is an exploded view of the fixing base, the rotating wheel and the clamping plate in the embodiment of the polarization maintaining dual-fiber pigtail alignment apparatus of the present invention.
Fig. 6 is an exploded view of the fixing base in the embodiment of the polarization maintaining dual optical fiber pigtail alignment apparatus of the present invention.
Fig. 7 is a cross-sectional view of the structure of the rotating wheel in the embodiment of the polarization-maintaining dual-fiber pigtail alignment apparatus of the present invention.
Fig. 8 is an exploded view of an optical fiber rotary clamp in an embodiment of the polarization maintaining dual optical fiber pigtail alignment apparatus of the present invention.
Fig. 9 is a structural diagram of an optical fiber pressing plate in an embodiment of the polarization maintaining dual optical fiber pigtail alignment apparatus of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
As shown in fig. 3, in this embodiment, the polarization maintaining dual-fiber pigtail alignment apparatus includes a base 3, a CCD camera 4, a pigtail fixing device 5, two fiber rotating fixtures 6 and a rotating fixture adjusting bracket 7, the CCD camera 4, the pigtail fixing device 5 and the two fiber rotating fixtures 6 are all installed on the base 3, and the CCD camera 4 and the fiber rotating fixtures 6 are respectively located on two opposite sides of the pigtail fixing device 5.
Referring to fig. 4, the pigtail fixing device 5 includes a fixed base 51, a turning wheel 52, a clamping plate 53, an optical fiber flatwise platform 54 and a three-dimensional adjusting frame 55, the three-dimensional adjusting frame 55 is provided with a moving platform 551, the moving platform 551 can be adjusted in position by an adjusting knob 552, an adjusting knob 553 and an adjusting knob 554, the moving platform 551 is horizontally arranged, the fixed base 51 and the optical fiber flatwise platform 54 are both installed on the moving platform 551, the optical fiber flatwise platform 54 is located between the turning wheel 52 and the optical fiber rotating fixture 6, and the top surface of the optical fiber flatwise platform 54 is at the same horizontal plane with the axis of the turning wheel 52.
Referring to fig. 5 and 6, the fixing seat 51 is provided with a rotating wheel groove 511, the rotating wheel 52 is located in the rotating wheel groove 511, fixing plates 512 are respectively installed on two sides of the rotating wheel groove 511, and the fixing plates 512 are matched with the rotating wheel groove 511 to limit the rotating wheel 52. The clamp plate 53 covers the opening of the runner slot 511 for fixing the runner 52. One end of the clamping plate 53 is hinged to the fixing base 51, and the other end of the clamping plate 53 is connected to the fixing base 51 through a fastener (not shown), in this embodiment, the fastener connects the clamping plate 53 and the fixing base 51 through the first fastener hole 531 and the second fastener hole 513.
Referring to fig. 7, the shaft center of the rotating wheel 52 is provided with a tail fiber mounting hole 521, the tail fiber mounting hole 521 is exposed out of the rotating wheel slot 511, in this embodiment, the fixing plate 512 is provided with a position avoiding notch 5121, and the position avoiding notch 5121 is arranged opposite to the tail fiber mounting hole 521. The circumferential wall of the runner 52 is provided with a fastening bolt hole 522, the fastening bolt hole 522 is communicated with the tail fiber mounting hole 521, a fastening bolt 523 is mounted on the fastening bolt hole 522, and the tail fiber mounted in the tail fiber mounting hole 521 is fixed through the fastening bolt 523. In this embodiment, the fastening bolt 523 is a rubber head machine screw. As can be seen from fig. 3, the CCD camera 4 is disposed opposite to the pigtail mounting hole 521, so as to facilitate focusing on the pigtail. In this embodiment, the rotating wheel 52 is made of a transparent material, so that the fixing condition of the tail fiber can be observed conveniently, the dispensing condition can be observed during dispensing, and the glue can be solidified by illumination.
Referring to fig. 8, the optical fiber rotating clamp 6 includes an optical fiber fixing rotating block 61, an optical fiber pressing plate 62 and a rotating block support 63, the optical fiber fixing rotating block 61 is rotatably mounted on the rotating block support 63, the rotating block support 63 is provided with a rotating block mounting hole 631, and the optical fiber fixing rotating block 61 is inserted into the rotating block mounting hole 631. The optical fiber fixing rotary block 61 is provided with an optical fiber groove 611 passing through the optical fiber fixing rotary block 61 in the axial direction, and the opening of the optical fiber groove 611 faces the outer peripheral wall of the optical fiber fixing rotary block 61 from the axial center of the optical fiber fixing rotary block 61. The end of the optical fiber fixing rotating block 61 facing the pigtail fixing device 5 is provided with a pressing table 612, one end of the optical fiber pressing plate 62 is hinged to the pressing table 612, the optical fiber pressing plate 62 covers the opening of the optical fiber groove 611, and the other end of the optical fiber pressing plate 62 is fastened with the pressing table 612 through a fastening piece (not shown). The fixed commentaries on classics piece 61 of optic fibre is located and is provided with spacing groove 613 on the periphery wall of commentaries on classics piece mounting hole 631, and commentaries on classics piece support 63 still is provided with spacing bolt hole 632, and spacing bolt hole 632 communicates with each other with commentaries on classics piece mounting hole 631 and sets up, and spacing bolt hole 632 sets up with spacing groove 613 relatively, and spacing bolt (not shown) are installed to spacing bolt hole 632, prevents the fixed commentaries on classics piece 61 of optic fibre rotation time roll-off commentaries on classics piece mounting hole 631 through spacing bolt. And one end of the optical fiber fixing rotating block 61, which is far away from the tail optical fiber fixing device 5, is provided with a rotating disc 614 for rotating the optical fiber fixing rotating block 61.
Referring to fig. 9, the optical fiber pressing plate 62 is provided with a pad block 621, and the pad block 621 is disposed toward the optical fiber groove 611, so that the pad block 621 can press the optical fiber while preventing damage to the optical fiber. The pad 621 may be made of soft material, such as soft rubber, sponge, etc.
As can be seen from fig. 3, the polarization maintaining dual optical fiber pigtail alignment apparatus further includes a rotary fixture adjusting bracket 7, and the two optical fiber rotary fixtures 6 are both installed on the base 3 through the rotary fixture adjusting bracket 7. The polarization-maintaining double-optical-fiber tail fiber alignment equipment further comprises a glue curing lamp 8, the glue curing lamp 8 is installed on the base 3, and the lamp holder of the glue curing lamp 8 is arranged towards the rotating wheel 52. The glue curing lamp 8 is used for curing glue when dispensing the tail fiber, and the type of the glue curing lamp 8 can be set according to needs, for example, a pump lamp or a UV ultraviolet lamp or an LED lamp is adopted. In addition, the polarization-maintaining dual-fiber pigtail alignment device is further provided with a camera adjusting frame 41, the CCD camera 4 is mounted on the base 3 through the camera adjusting frame 41, and the camera adjusting frame 41 adopts a known two-dimensional adjusting frame, and can be adjusted in the front, back, left and right directions in the horizontal direction, which is not described herein again. In order to enable a user to observe more conveniently, the polarization-maintaining double-optical-fiber pigtail alignment equipment is further provided with a display 9, the CCD camera 4 is electrically connected with the display 9, the CCD camera 4 sends images of the end face of the pigtail to the display 9, and the display 9 displays the alignment condition of the cat eye of the optical fiber.
In this embodiment, the polarization-maintaining dual-fiber pigtail alignment apparatus further includes a microscope (not shown), the microscope is installed on the base 3, the microscope is located above the rotating wheel 52, and the dispensing condition is observed by the microscope.
When the polarization maintaining dual-fiber pigtail alignment device of the present embodiment is used, first, the CCD camera 4, the pigtail fixing device 5, and the fiber rotating jig 6 are mounted on the base 3. Then, the cleaned pigtail is inserted into the pigtail installation hole 521 of the rotating wheel 52, the end face of the pigtail is aligned with the CCD camera 4, the fastening bolt 523 on the rotating wheel 52 is twisted to press the pigtail, and the clamping plate 53 is fastened to fix the installation wheel 52. And adjusting the distance between the lens of the CCD camera 4 and the end face of the tail fiber until the cat eye image of the fiber is clearly seen. Then, the fiber rotating jig 6 is manually rotated to align the cat eye direction of the polarization maintaining fiber, the limiting bolt on the rotating block support 63 is slightly twisted by a hand to fix the fiber fixing rotating block 61 by the limiting bolt, and at the same time, whether the cat eye direction changes is confirmed. Under the observation of a microscope, the tail fibers in the adjusted cat eye direction are dispensed, a glue curing lamp 8 is used for irradiating for 120 seconds, the curing is good, the optical fiber rotating clamp 6 is slightly rotated, and whether the cat eye is loosened or not is judged. And after the alignment is completed, the tail fiber can be moved to the next working process.
According to the above, the utility model discloses a tail optical fiber fixing device in the polarization-maintaining dual-optical fiber tail optical fiber alignment equipment cooperates fixed tail optical fiber through fixing base 51, runner 52 and splint 53 for when rotating optic fibre, can ensure the stability of tail optical fiber, improve the precision of counterpointing. And gyro wheel 52 sets up tail fine mounting hole 521 and is used for installing the tail fine for can take off dress wheel 52 from fixing base 51 earlier when the installation tail fine again with the fixed tail fine mounting hole 521 of tail fine in, can be convenient for observe the installation condition, avoid fastening bolt to crush the tail fine, simultaneously, through runner 52 and splint 53's combination, prevented that the tail fine from collapsing and lacking because of the disc that the collision leads to when the clamping, improved the quality of product.
It should be noted that the above is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and all insubstantial modifications made by using the design concept of the present invention also fall within the protection scope of the present invention.
Claims (10)
1. The polarization-maintaining double-optical-fiber pigtail alignment equipment is characterized by comprising a base, a CCD camera, a pigtail fixing device and two optical fiber rotary clamps, wherein the CCD camera, the pigtail fixing device and the two optical fiber rotary clamps are all arranged on the base, and the CCD camera and the optical fiber rotary clamps are respectively positioned on two opposite sides of the pigtail fixing device;
the tail fiber fixing device comprises a fixing seat, a rotating wheel and a clamping plate, wherein the fixing seat is provided with a rotating wheel groove, the rotating wheel is positioned in the rotating wheel groove, and the clamping plate covers and presses the opening of the rotating wheel groove;
the tail fiber installation hole is formed in the axis position of the rotating wheel and exposed out of the rotating wheel groove, fastening bolt holes are formed in the peripheral wall of the rotating wheel and communicated with the tail fiber installation hole, and fastening bolts are installed on the fastening bolt holes;
the CCD camera is arranged opposite to the tail fiber mounting hole.
2. The polarization-maintaining dual-fiber pigtail alignment apparatus of claim 1, wherein:
one end of the clamping plate is hinged with the fixed seat.
3. The polarization-maintaining dual-fiber pigtail alignment apparatus of claim 1, wherein:
the tail fiber fixing device further comprises an optical fiber flatwise placing table, and the optical fiber flatwise placing table is located between the rotating wheel and the optical fiber rotating clamp.
4. The polarization-maintaining dual-fiber pigtail alignment apparatus of claim 1, wherein:
the tail optical fiber fixing device further comprises a three-dimensional adjusting frame, and the fixing seat is installed on the three-dimensional adjusting frame.
5. The polarization-maintaining dual-fiber pigtail alignment apparatus of claim 1, wherein:
the rotating wheel is made of a light-transmitting material.
6. The polarization maintaining dual optical fiber pigtail alignment apparatus of any of claims 1-5, wherein:
the optical fiber rotary clamp comprises an optical fiber fixing rotary block, an optical fiber pressing plate and a rotary block bracket, and the optical fiber fixing rotary block is rotatably arranged on the rotary block bracket;
the optical fiber fixing and rotating block is provided with an optical fiber groove which penetrates through the optical fiber fixing and rotating block along the axis direction, and the optical fiber pressing plate covers and presses the opening of the optical fiber groove.
7. The polarization-maintaining dual-fiber pigtail alignment apparatus of claim 6, wherein:
the optical fiber pressing plate is provided with a cushion block, and the cushion block faces the optical fiber groove.
8. The polarization maintaining dual optical fiber pigtail alignment apparatus of any of claims 1-5, wherein:
the polarization-maintaining double-optical-fiber tail fiber alignment equipment further comprises a rotary clamp adjusting support, and the two optical-fiber rotary clamps are installed on the base through the rotary clamp adjusting support.
9. The polarization maintaining dual optical fiber pigtail alignment apparatus of any of claims 1-5, wherein:
the polarization-maintaining double-optical-fiber tail fiber alignment equipment further comprises a glue curing lamp, the glue curing lamp is installed on the base, and the lamp holder of the glue curing lamp faces towards the rotating wheel.
10. The polarization maintaining dual optical fiber pigtail alignment apparatus of any of claims 1-5, wherein:
polarization-maintaining double-optical-fiber pigtail alignment equipment further comprises a microscope, wherein the microscope is installed on the base and located above the rotating wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121155480.0U CN215067416U (en) | 2021-05-26 | 2021-05-26 | Polarization-maintaining double-optical-fiber tail fiber alignment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121155480.0U CN215067416U (en) | 2021-05-26 | 2021-05-26 | Polarization-maintaining double-optical-fiber tail fiber alignment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215067416U true CN215067416U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121155480.0U Active CN215067416U (en) | 2021-05-26 | 2021-05-26 | Polarization-maintaining double-optical-fiber tail fiber alignment equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215067416U (en) |
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2021
- 2021-05-26 CN CN202121155480.0U patent/CN215067416U/en active Active
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