Test platform for photonic crystal fiber production

Abstract

The invention discloses a testing platform for photonic crystal fiber production, which can directly wind a tested fiber, and solves the problem that the tested fiber cannot be directly stored by an optical fiber testing platform. The device comprises a bottom box; a fixing frame; a display screen; a microscope; the rotating disc assembly comprises a fixing ring, a rotating disc and a rotating assembly; the clamping assembly comprises a pair of positioning plate groups which are clamped with each other; the composite winding roller comprises an upper winding roller, a middle positioning rod and a lower limiting disc; and the composite winding roller is used for winding the optical fiber.

Description

Technical Field

[0001] The invention relates to the technical field of photonic crystal optical fiber testing, in particular to a testing platform for photonic crystal optical fiber production. Background Art

[0002] Photonic Crystal Fibers, a type of chalcogenide glass photonic crystal fiber, has a flat and close-to-zero dispersion value, which allows a wider range of choices for the wavelength of the pulse seed light source and has immeasurable application prospects in the fields of optical coherence tomography, spectrum detection, and nonlinear microscopy. The guiding solid core region of this type of chalcogenide glass photonic crystal fiber is surrounded by air holes. By controlling the core size, air hole size, and periodicity, it can achieve significant flexibility in the dispersion design of PCF.

[0003] According to a test platform for photonic crystal fibers mentioned in the invention patent with Chinese patent application number 202311352043.1, the test platform for photonic crystal fibers can solve the problem that photonic crystal fibers are prone to loosening when in use, thereby reducing the force acting on them. However, the test platform for photonic crystal fibers does not have the function of reeling in the tested optical fiber when in use. After a section of optical fiber is tested, the optical fiber cannot be directly reeled in, which affects the subsequent testing efficiency of the optical fiber. Therefore, it is necessary to develop a test platform to solve the above-mentioned technical defects. Summary of the invention

[0004] In view of the above problems, the present invention provides a test platform for photonic crystal optical fiber production, which is capable of directly reeling in the optical fiber after testing, thereby solving the problem that the optical fiber testing platform cannot directly store and process the tested optical fiber.

[0005] A test platform for photonic crystal optical fiber production, characterized in that it comprises:

[0006] Bottom box;

[0007] Fixed frame;

[0008] Display screen;

[0009] microscope;

[0010] A turntable assembly, comprising a fixed ring, a turntable, and a rotating assembly;

[0011] A clamping assembly, comprising a pair of mutually clamped positioning plate assemblies;

[0012] and a composite winding roller, which comprises an upper winding roller, a middle positioning rod, and a lower limiting plate; the composite winding roller is used for winding up the optical fiber;

[0013] A fixing frame is provided on the upper part of the bottom box, a center through hole is provided on the top plate of the bottom box, the clamping assembly is provided on the lower surface of the top plate, a fixing ring is fixedly provided on the upper surface of the top plate of the bottom box, a turntable is provided in the inner cavity of the fixing ring, the fixing ring and the turntable are coaxially arranged, the surface area of ​​the turntable is larger than the surface area of ​​the center through hole, the limit plate is inserted into the clamping cavity of the positioning plate group in the working state, the limit plate has a rotation function relative to the positioning plate group in the clamping state, the positioning rod is located in the height area of ​​the turntable, a centering clamping mechanism is provided in the inner cavity of the turntable, the centering clamping mechanism clamps the outer periphery of the positioning rod, and the rotating assembly drives the turntable to rotate;

[0014] The fixing frame includes a layer plate, a display screen is fixedly installed on the upper part of the layer plate, and a microscope and a high-speed camera are arranged on the lower part of the layer plate. The high-speed camera is directed toward the front area of ​​the reel through the lens of the microscope. The high-speed camera obtains images through the microscope and takes pictures, and displays the images on the display screen to compare whether the tested optical fiber is normal, thereby judging whether the optical fiber is good or bad.

[0015] It is further characterized by:

[0016] The centering clamping mechanism includes three groups of synchronous motion mechanisms, each group of synchronous motion mechanisms includes a driving motor and a positioning plate. The driving motors are respectively installed at the corresponding positions on the top of the turntable. The positioning plate is arranged in the limiting slide groove inside the turntable. The inner end of the positioning plate is arranged toward the axis center. The output shaft of the driving motor is installed with a second gear. A rack is fixedly installed on the side of the positioning plate. The second gear is meshed and connected with the rack. The three groups of driving motors rotate synchronously to drive the inner end of the positioning plate to move synchronously in a centripetal or centrifugal linear direction.

[0017] The rotating assembly is mounted on the fixed frame, and the rotating assembly includes a first driving motor and a first gear. An outer gear ring is arranged at a position where the outer surface of the rotating disk is higher than the outer circumference of the fixed ring. The first driving motor is fixedly mounted on the layer plate of the fixed frame, and the lower output shaft of the first driving motor passes through the layer plate and is fixedly connected to the first gear. The first gear is meshed and connected to the outer gear ring.

[0018] The clamping assembly includes a second driving motor, a sliding rod, a first positioning plate, a second positioning plate, and a threaded rotating rod. The second driving motor is fixedly arranged on the lower surface of the top plate of the bottom box. The second driving motor is connected to the threaded rotating rod. External threads of opposite rotation directions are arranged at both ends of the threaded rotating rod in the length direction. The two ends of the threaded rotating rod in the length direction are respectively threadedly connected and penetrate through the through guide threaded holes at one end of the first positioning plate and the second positioning plate in the width direction. The two ends of the sliding rod in the length direction respectively penetrate through the through guide holes at the other end of the first positioning plate and the second positioning plate in the width direction, and the ends are fixedly connected to the two side walls of the bottom box.

[0019] A limiting groove is formed between the facing end surfaces of the first positioning plate and the second positioning plate, and a plurality of balls are embedded and installed in the circumference corresponding to the limiting groove. The first positioning plate and the second positioning plate clamp the outer circumference of the limiting plate in a clamping state, and the limiting plate has a rotation function relative to the limiting groove;

[0020] In the clamping state, the positioning rod is located in the height area of ​​the centering clamping mechanism, and the outer circumference of the positioning rod is provided with positioning holes corresponding to the inner end positions of each group of positioning plates, and the inner ends of the positioning plates are fastened and pressed against the positioning holes in the optical fiber receiving state;

[0021] A conveyor belt is installed inside the bottom box, and the conveyor belt is used to transport the composite reel that has completed optical fiber collection to the rear workstation after blanking, and then clamp a new composite reel again through the clamping assembly for the test optical fiber collection operation of the next group of optical fibers;

[0022] The inner ring wall of the fixed ring is provided with balls, and the outer ring wall at the bottom of the rotating disk is in contact with the balls, so that the rotating disk is fixed in radial position relative to the fixed ring and is rotatably arranged.

[0023] After adopting the structure of the present invention, the starting end of the optical fiber is wound around the winding roller. When in use, the limit plate is clamped by the clamping assembly, but because the limit plate has a rotation function relative to the clamping assembly, the winding roller is located at the top of the composite winding roller, and the rotating assembly drives the turntable to rotate, thereby driving the turntable to rotate inside the fixed ring, and the rotation of the turntable can synchronously drive the winding roller to rotate. The rotation of the winding roller reels the optical fiber, and the high-speed camera points to the front area of ​​the reel through the lens of the microscope. The high-speed camera obtains the image of the optical fiber through the microscope and takes a picture, and displays the image on the display screen. It compares whether the tested optical fiber is normal, thereby judging the quality of the optical fiber. After the test is completed, the optical fiber is wound on the winding roller, which can continuously test the optical fiber, solving the problem that the optical fiber testing platform in the background technology cannot directly store and process the tested optical fiber. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1This is a three-dimensional diagram of the structure of the optical fiber testing platform of the present invention (in a state where the composite winding roller is not assembled);

[0025] Figure 2 This is a bottom-view stereoscopic diagram of the bottom box structure of the present invention (with a composite winding roller);

[0026] Figure 3 The exploded stereogram of the fixed ring and the rotating disk of the present invention Figure 1 ;

[0027] Figure 4 The exploded stereogram of the fixed ring and the rotating disk of the present invention Figure 2 (with composite roll);

[0028] Figure 5 It is a schematic diagram of the assembly of the turntable structure and the composite roll of the present invention (partial cross-section);

[0029] The names corresponding to the serial numbers in the figure are as follows:

[0030] 1. Bottom box; 2. Fixed frame; 3. Display screen; 4. Microscope and high-speed camera; 5. Fixed ring; 6. Turntable; 7. Conveyor belt; 8. Rotating assembly; 801. First drive motor; 802. First gear; 803. Outer gear ring; 9. Clamping assembly; 901. Second drive motor; 902. Threaded rotating rod; 903. First positioning plate; 904. Second positioning plate; 905. Slide rod; 10. Limiting groove; 11. Limiting plate; 12. Positioning rod; 13. Positioning hole; 14. Roller; 15. Ball; 16. Centering clamping mechanism; 161. Drive motor; 162. Second gear; 163. Rack; 164. Positioning plate; 17. Limiting slide groove. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] A test platform for photonic crystal fiber production, see Figure 1-Figure 5 , which includes a bottom box 1, a fixing frame 2, a display screen 3, a microscope and a high-speed camera 4, a turntable assembly, a clamping assembly, and a composite roll;

[0033] The turntable assembly includes a fixed ring 5, a turntable 6, and a rotating assembly 8;

[0034] The clamping assembly 9 includes a pair of positioning plate groups clamped to each other;

[0035] The composite winding roller comprises an upper winding roller 14, a middle positioning rod 12, and a lower limiting plate 11, and the composite winding roller is used for winding up the optical fiber;

[0036] A fixing frame 2 is provided on the upper part of the bottom box 1, a central through hole is provided on the top plate of the bottom box 1, a clamping assembly is provided on the lower surface of the top plate, a fixing ring 5 is fixedly provided on the upper surface of the top plate of the bottom box 1, a turntable 6 is provided in the inner cavity of the fixing ring 5, the fixing ring 5 and the turntable 6 are coaxially arranged, the surface area of ​​the turntable 6 is larger than the surface area of ​​the central through hole, the limit plate 11 is inserted into the clamping cavity of the positioning plate group in the working state, the limit plate 11 has a rotation function relative to the positioning plate group in the clamping state, the positioning rod 12 is located in the height area of ​​the turntable 6, a centering clamping mechanism 16 is provided in the inner cavity of the turntable 6, the centering clamping mechanism 16 clamps the outer periphery of the positioning rod 12, and the rotating assembly 8 drives the turntable 6 to rotate;

[0037] The fixed frame 2 includes a layer plate, a display screen 3 is fixedly installed on the upper part of the layer plate, and a microscope and a high-speed camera 4 are arranged on the lower part of the layer plate. The high-speed camera is directed toward the front area of ​​the reel 14 through the lens of the microscope. The high-speed camera obtains images through the microscope and takes pictures, and displays the images on the display screen 3 to compare whether the tested optical fiber is normal, thereby judging the quality of the optical fiber.

[0038] When it comes to specific implementation,

[0039] The centering clamping mechanism 16 includes three groups of synchronous motion mechanisms, each group of synchronous motion mechanisms includes a driving motor 161 and a positioning plate 164. The driving motors 161 are respectively installed at the corresponding positions on the top of the turntable 6. The positioning plate 164 is arranged in the limiting slide groove 17 inside the turntable 6. The inner end of the positioning plate 164 is arranged toward the axis center. The output shaft of the driving motor 161 is installed with a second gear 162. A rack 163 is fixedly installed on the side of the positioning plate 164. The second gear 162 is meshed and connected to the rack 163. The three groups of driving motors 161 rotate synchronously to drive the inner end of the positioning plate 164 to move synchronously in a centripetal or centrifugal linear direction.

[0040] The rotating assembly 8 is installed on the fixed frame 2, and the rotating assembly 8 includes a first driving motor 801 and a first gear 802. An outer gear ring 803 is arranged at a position where the outer surface of the rotating disk 6 is higher than the outer periphery of the fixed ring 5. The first driving motor 801 is fixedly installed on the layer plate of the fixed frame 2. The lower output shaft of the first driving motor 801 penetrates the layer plate and is fixedly connected with the first gear 802. The first gear 802 is meshed and connected with the outer gear ring 803.

[0041] The clamping assembly 9 includes a second drive motor 901, a slide bar 905, a first positioning plate 903, a second positioning plate 904, and a threaded rotating rod 902. The second drive motor 901 is fixedly arranged on the lower surface of the top plate of the bottom box 1. The second drive motor 901 is connected to the threaded rotating rod 902. The threaded rotating rod 902 has external threads with opposite rotation directions at both ends in the length direction. The threaded rotating rod 902 has two ends in the length direction that are respectively threadedly connected and penetrate the through guide threaded holes at one end in the width direction of the first positioning plate 903 and the second positioning plate 904. The slide bar 905 has two ends in the length direction that penetrate the through guide holes at the other end in the width direction of the first positioning plate 903 and the second positioning plate 904, and the ends are fixedly connected to the two side walls of the bottom box 1.

[0042] A limiting groove 10 is formed between the facing end surfaces of the first positioning plate 903 and the second positioning plate 904. A plurality of balls 15 are embedded and installed in the circumference corresponding to the limiting groove 10. The first positioning plate 903 and the second positioning plate 904 clamp the outer circumference of the limiting plate 11 in the clamping state, and the limiting plate 11 has a rotation function relative to the limiting groove 10.

[0043] In the clamping state, the positioning rod 12 is located at the height area of ​​the centering clamping mechanism 16, and the outer periphery of the positioning rod 12 is provided with a positioning hole 13 corresponding to the inner end position of each group of positioning plates. In the optical fiber receiving state, the inner end of the positioning plate 164 is fastened and pressed against the positioning hole 13;

[0044] A conveyor belt 7 is installed inside the bottom box 1. The conveyor belt 7 is used to transport the composite reel that has completed optical fiber collection to the rear workstation after blanking. Thereafter, a new composite reel is clamped again by the clamping assembly for the test optical fiber collection operation of the next group of optical fibers.

[0045] In specific implementation, the inner ring wall of the fixed ring 5 is provided with balls 15 , and the outer ring wall at the bottom of the rotating disk 6 is in contact with the balls 15 , so that the rotating disk 6 is fixed in radial position relative to the fixed ring 5 and is rotatably arranged.

[0046] When in use, the limit plate 11 is fixed to the inside of the limit slot 10 by the clamping assembly 9. Since the inner wall of the limit slot 10 is provided with a ball 15, the limit plate 11 can move inside the limit slot 10 through the ball 15, so that the winding roller 14 is installed on the top of the turntable 6 through the limit plate 11, and the first drive motor 801 is started. The output shaft of the first drive motor 801 will drive the first gear 802 and the outer gear ring 803 to engage with each other, thereby driving the turntable 6 to rotate inside the fixed ring 5. The rotation of the turntable 6 can synchronously drive the winding roller 14 to rotate. The rotation of the winding roller 14 can reel in the optical fiber, and the optical fiber can be tested continuously.

[0047] In the case implementation, by setting up the centering clamping mechanism 16, when in use, by starting the second drive motor 901, the output shaft of the second drive motor 901 will drive the threaded rotating rod 902 to rotate, and the threaded rotating rod 902 will be synchronously threadedly connected with the first positioning plate 903 and the second positioning plate 904. When limiting the limit plate 11, the first positioning plate 903 and the second positioning plate 904 are driven to approach each other through the threaded rotating rod 902, so that the first positioning plate 903 and the second positioning plate 904 are approached to each other and the limit plate 11 is limited through the limiting groove 10.

[0048] In the case implementation, after the winding of the roller 14 is completed, the centering clamping mechanism 16 no longer limits the positioning rod 12 and the roller 14. At this time, the clamping assembly 9 no longer limits the limiting plate 11, the positioning rod 12 and the roller 14. The conveyor belt 7 is arranged directly below the limiting groove 10. The roller 14 can fall directly onto the surface of the conveyor belt 7 after being unrestricted. Therefore, the optical fiber that has completed the winding test is uniformly transported through the conveyor belt 7, thereby improving the efficiency of collecting the wound optical fiber.

[0049] In the case implementation, by starting the drive motor 161, the drive motor 161 will drive the second gear 162 and the rack 163 to engage with each other, thereby driving the positioning plate 164 to slide inside the limiting slide groove 17, and driving the positioning plate 164 to be inserted into the positioning hole 13, thereby fixing the roller 14 inside the turntable 6, completing the rapid positioning and installation of the roller 14 and the rapid disassembly of the roller 14.

[0050] In the case implementation, by setting up a microscope and a high-speed camera 4, the microscope is set in front of the winding roller 14, so that the unreeled optical fiber can be inspected, and the high-speed camera is used to take pictures, and the image is displayed on the display screen 3. The tested optical fiber is compared with the normal one to judge the quality of the optical fiber.

[0051] In summary, the test platform for photonic crystal optical fiber production is provided with a rotating component 8. When in use, the limit plate 11 is fixed in the interior of the limit groove 10 by the clamping component 9, and because the inner wall of the limit groove 10 is provided with a ball 15, the limit plate 11 is movable in the interior of the limit groove 10 through the ball 15, so that the winding roller 14 is installed on the top of the turntable 6 through the limit plate 11, and the first drive motor 801 is started. The output shaft of the first drive motor 801 will drive the first gear 802 and the outer gear ring 803 to engage with each other, thereby driving the turntable 6 to rotate in the interior of the fixed ring 5. The rotation of the turntable 6 can synchronously drive the winding roller 14 to rotate. The rotation of the winding roller 14 can reel up the optical fiber, and the optical fiber can be tested continuously, which solves the problem that the optical fiber testing platform in the background technology cannot directly store and process the tested optical fiber.

[0052] When the optical fiber 10 is wound, the second drive motor 901 is started, and the output shaft of the second drive motor 901 drives the threaded rotating rod 902 to rotate, and the threaded rotating rod 902 is synchronously threadedly connected with the first positioning plate 903 and the second positioning plate 904. When the limit plate 11 is limited, the threaded rotating rod 902 drives the first positioning plate 903 and the second positioning plate 904 to approach each other, so that the first positioning plate 903 and the second positioning plate 904 are close to each other to limit the limit plate 11 through the limiting groove 10. When the winding is completed, the centering clamping mechanism 16 no longer limits the positioning rod 12 and the winding roller 14. At this time, the clamping assembly 9 no longer limits the limiting plate 11, the positioning rod 12 and the winding roller 14. The conveyor belt 7 is arranged directly below the limiting groove 10. The winding roller 14 can fall directly to the surface of the conveyor belt 7 after being unrestricted. The conveyor belt 7 uniformly transports the optical fiber windings that have been tested, which can improve the efficiency of collecting the wound optical fiber.

Claims

1. A test platform for photonic crystal fiber production, characterized in that: It includes: Bottom box; Fixed frame; Display screen; microscope; A turntable assembly, comprising a fixed ring, a turntable, and a rotating assembly; A clamping assembly, comprising a pair of mutually clamped positioning plate assemblies; and a composite winding roller, which comprises an upper winding roller, a middle positioning rod, and a lower limiting plate; the composite winding roller is used for winding up the optical fiber; A fixing frame is provided on the upper part of the bottom box, a center through hole is provided on the top plate of the bottom box, the clamping assembly is provided on the lower surface of the top plate, a fixing ring is fixedly provided on the upper surface of the top plate of the bottom box, a turntable is provided in the inner cavity of the fixing ring, the fixing ring and the turntable are coaxially arranged, the surface area of ​​the turntable is larger than the surface area of ​​the center through hole, the limit plate is inserted into the clamping cavity of the positioning plate group in the working state, the limit plate has a rotation function relative to the positioning plate group in the clamping state, the positioning rod is located in the height area of ​​the turntable, a centering clamping mechanism is provided in the inner cavity of the turntable, the centering clamping mechanism clamps the outer periphery of the positioning rod, and the rotating assembly drives the turntable to rotate; The fixing frame includes a layer plate, a display screen is fixedly installed on the upper part of the layer plate, and a microscope and a high-speed camera are arranged on the lower part of the layer plate. The high-speed camera is directed toward the front area of ​​the reel through the lens of the microscope. The high-speed camera obtains images through the microscope and takes pictures, and displays the images on the display screen to compare whether the tested optical fiber is normal, thereby judging whether the optical fiber is good or bad.

2. A test platform for photonic crystal fiber production according to claim 1, characterized in that: The centring clamping mechanism includes three groups of synchronous motion mechanisms, each group of synchronous motion mechanisms includes a driving motor and a positioning plate. The driving motors are respectively installed at the corresponding positions on the top of the turntable. The positioning plate is arranged in the limiting slide groove inside the turntable, and the inner end of the positioning plate is arranged toward the axis center. The output shaft of the driving motor is installed with a second gear, and a rack is fixedly installed on the side of the positioning plate. The second gear is meshed and connected to the rack. The three groups of driving motors rotate synchronously to drive the inner end of the positioning plate to move synchronously in a centripetal or centrifugal linear direction.

3. A test platform for photonic crystal fiber production according to claim 1, characterized in that: The rotating assembly is installed on the fixed frame, and the rotating assembly includes a first driving motor and a first gear. An outer gear ring is provided at an outer surface of the turntable higher than the outer periphery of the fixed ring. The first driving motor is fixedly installed on the layer plate of the fixed frame. The lower output shaft of the first driving motor passes through the layer plate and is fixedly connected to the first gear. The first gear is meshed and connected to the outer gear ring.

4. A test platform for photonic crystal fiber production according to claim 1, characterized in that: The clamping assembly includes a second driving motor, a sliding rod, a first positioning plate, a second positioning plate, and a threaded rotating rod. The second driving motor is fixedly provided on the lower surface of the top plate of the bottom box, and the second driving motor is connected to the threaded rotating rod. External threads of opposite rotation directions are provided at both ends in the length direction of the threaded rotating rod. The two ends in the length direction of the threaded rotating rod are respectively threadedly connected and penetrate through the through guide threaded holes at one end in the width direction of the first positioning plate and the second positioning plate, and the two ends in the length direction of the sliding rod respectively penetrate through the through guide holes at the other end in the width direction of the first positioning plate and the second positioning plate, and the ends are fixedly connected to the two side walls of the bottom box.

5. A test platform for photonic crystal fiber production according to claim 4, characterized in that: A limiting groove is formed between the facing end surfaces of the first positioning plate and the second positioning plate, and a plurality of balls are embedded in the circumference corresponding to the limiting groove. The first positioning plate and the second positioning plate clamp the outer circumference of the limiting plate in a clamping state, and the limiting plate has a rotation function relative to the limiting groove.

6. A test platform for photonic crystal fiber production according to claim 2, characterized in that: In the clamping state, the positioning rod is located in the height area of ​​the centering clamping mechanism, and the outer periphery of the positioning rod is provided with positioning holes corresponding to the inner end positions of each group of positioning plates. In the optical fiber receiving state, the inner ends of the positioning plates are fastened and pressed against the positioning holes.

7. A test platform for photonic crystal fiber production according to claim 1, characterized in that: A conveyor belt is installed inside the bottom box, and the conveyor belt is used to transport the composite reel that has completed optical fiber collection to the rear workstation after blanking, and then clamp the new composite reel again through the clamping assembly for the test optical fiber collection operation of the next group of optical fibers.

8. A test platform for photonic crystal fiber production according to claim 1, characterized in that: The inner ring wall of the fixed ring is provided with balls, and the outer ring wall at the bottom of the rotating disk is in contact with the balls, so that the rotating disk is fixed in radial position relative to the fixed ring and is rotatably arranged.

Images