Twisting device for optical fiber drawing

Abstract

The utility model relates to the technical field of optical fiber processing, in particular to a twisting device for optical fiber drawing, which is provided with a hinged telescopic structure so as to realize synchronous traction of a turntable to a moving roller, guarantee the track stability and improve the practicability. Comprising a base, a reciprocating motor, a rotating disc, a hinge frame, a hinge shaft, a hinge block, a sliding pipe, a sliding rod, a sliding block, a guide rail, a side plate and a movable restraining roller, the middle rear side of the bottom end of the base is connected with the top end of the reciprocating motor, the output end of the reciprocating motor is connected with the middle of the bottom end of the rotating disc, and a traction wheel structure is arranged on the front side of the top end of the rotating disc; the front side of the top end of the base is connected with the bottom end of a guide rail, the outer side of the guide rail is transversely and slidably connected with the inner side of the sliding block, one side of the top end of the sliding block is connected with the bottom end of a side plate, and a movable restraining roller is rotationally arranged on the upper portion of the inner side of the side plate.

Description

Technical Field

[0001] This utility model relates to the technical field of optical fiber processing, specifically to a twisting device for drawing optical fibers. Background Technology

[0002] Optical fiber, short for optical waveguide fiber, is a type of fiber made of glass or plastic that can be used as a means of transmitting light. The transmission principle is "total internal reflection of light".

[0003] In optical fiber processing, twisting is involved. Existing optical fiber traction and twisting devices, such as the one described in patent publication number CN208440522U, combine the fiber take-up and twisting functions into one, eliminating the need for a separate optical fiber PMD twisting device. A traction wheel is mounted on a disc, which is driven by a motor to rotate back and forth at a certain angle. This causes the optical fiber to twist and oscillate vertically around its axis, achieving the function of twisting the fiber. The traction oscillation causes the pulled optical fiber to follow the oscillation. A movable constraint roller and a fixed constraint roller are installed vertically between the traction wheel and the take-up machine, allowing the optical fiber to oscillate between the two constraint rollers. The frequency of the movable constraint roller's movement is equal to the oscillation frequency of the metal disc, keeping the fiber's oscillation within an acceptable range. This new optical fiber traction and twisting device effectively avoids the fiber damage caused by excessive hard contact pressure between the two twisting wheels in existing twisting devices. Furthermore, if the optical fiber breaks, the broken end can simply be reconnected to the take-up machine, improving production efficiency.

[0004] However, the motion trajectory of the moving constraint roller is difficult to guarantee, resulting in poor reliability. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a twisting device for optical fiber drawing with a hinged, retractable structure to achieve synchronous traction of the turntable and moving roller, ensuring track stability and improving practicality.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a twisting device for drawing optical fibers, comprising a base, a reciprocating motor, a turntable, a hinge frame, a hinge shaft, a hinge block, a slide tube, a slide rod, a slider, a guide rail, a side plate, and a movable constraint roller. The rear side of the bottom end of the base is connected to the top end of the reciprocating motor, and the output end of the reciprocating motor is connected to the middle part of the bottom end of the turntable. A traction wheel structure is provided on the front side of the top end of the turntable. The inner wall of the slide tube is slidably connected to the outer wall of the slide rod. A set of hinge blocks are respectively connected to the outer ends of the slide tube and the slide rod. The outer middle part of the outer side of each set of hinge blocks is movably connected to the inner middle part of a set of hinge frames via a set of hinge shafts. Two sets of hinge frames are respectively connected to the front middle side of the turntable and the rear middle side of the slider. The front side of the top end of the base is connected to the bottom end of the guide rail. The outer side of the guide rail is laterally slidably connected to the inner side of the slider. One side of the top end of the slider is connected to the bottom end of the side plate. A movable constraint roller is rotatably provided on the upper part of the inner side of the side plate.

[0009] Preferably, the traction wheel structure includes a mounting base, a fixing plate, bolts, a traction frame, and a traction wheel. The mounting base is provided on the front side of the top of the turntable. The lower left and right sides of the traction frame are respectively connected to the inner side of a set of fixing plates. The bolts pass through the fixing plates and are detachably screwed into the mounting base. The inner side of the traction frame is rotatably connected to the outer side of the middle part of the traction wheel.

[0010] Preferably, it also includes side baffles, and the left and right sides of the movable constraint roller are respectively connected to the inner middle of a set of side baffles.

[0011] Preferably, it also includes a limiting frame, wherein the left and right sides of the guide rail at the top of the base are respectively connected to the bottom side of a set of limiting frames.

[0012] Preferably, it also includes an oil injection nozzle, wherein the front side of the top end of the slide tube is connected to the inner side of the oil injection nozzle.

[0013] Preferably, it also includes an oil filling cap, wherein the outer side of the oil filling nozzle and the inner side of the oil filling cap are detachably installed.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, the present invention provides a twisting device for optical fiber drawing, which has the following advantages:

[0016] The optical fiber is pulled by the traction wheel structure and abuts against the underside of the moving constraint roller to pass around the winding mechanism. During this process, the reciprocating motor runs, causing the turntable to rotate back and forth. The turntable drives the traction wheel structure to act on the oscillation of the optical fiber. At the same time, the position of the front side of the turntable changes back and forth continuously. The hinge blocks are constrained by the hinge shafts in the two sets of hinge frames, and the sliding rods in the slide tube slide in a consistent manner to adapt to the position changes. Then, the connecting slider slides laterally back and forth on the outside of the guide rail. Under the constraint of the moving constraint roller in the side plate, it acts on the twisting of the optical fiber. A retractable structure with hinges is set to realize the synchronous traction of the turntable on the moving roller, ensuring the stability of the trajectory and improving practicality. Attached Figure Description

[0017] Figure 1 This is an axial view of the structural schematic diagram of this utility model;

[0018] Figure 2 This utility model Figure 1 Top view;

[0019] Figure 3 This utility model Figure 1 The right view;

[0020] Figure 4 This utility model Figure 1 Front view.

[0021] The following are labels in the attached diagram: 1. Base; 2. Reciprocating motor; 3. Turntable; 4. Hinge frame; 5. Hinge shaft; 6. Hinge block; 7. Slide tube; 8. Slide rod; 9. Slider; 10. Guide rail; 11. Side plate; 12. Moving constraint roller; 13. Mounting seat; 14. Fixing plate; 15. Bolt; 16. Traction frame; 17. Traction wheel; 18. Side baffle; 19. Limiting frame; 20. Oil nozzle; 21. Oil cap. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example

[0024] Please see Figure 1-4The optical fiber drawing twisting device includes a base 1, a reciprocating motor 2, a turntable 3, a hinge frame 4, a hinge shaft 5, a hinge block 6, a slide tube 7, a slide rod 8, a slider 9, a guide rail 10, a side plate 11, and a moving constraint roller 12. The bottom rear side of the base 1 is connected to the top of the reciprocating motor 2. The output end of the reciprocating motor 2 is connected to the middle of the bottom of the turntable 3. A traction wheel structure is provided on the front side of the top of the turntable 3. The inner wall of the slide tube 7 is slidably connected to the outer wall of the slide rod 8. A set of hinge blocks 6 are respectively connected to the outer ends of the slide tube 7 and the slide rod 8. The outer middle part of the outer side of each set of hinge blocks 6 is movably connected to the inner middle part of a set of hinge frames 4 via a set of hinge shafts 5. The two sets of hinge frames 4 are respectively connected to the front middle side of the turntable 3 and the rear middle side of the slider 9. The front side of the top of the base 1 is connected to the bottom of the guide rail 10. The guide rail 10 is laterally slidably connected to the outer side of the slider 9 and the inner side of the slider 9. The top of the slider 9 is connected to the bottom of the side plate 11. The upper inner side of the side plate 11 is rotatably equipped with a movable constraint roller 12. The optical fiber is pulled by the traction wheel structure and abuts against the lower side of the movable constraint roller 12 to be wound up. During this process, the reciprocating motor 2 runs, causing the turntable 3 to rotate back and forth. The turntable 3 drives the traction wheel structure to swing the optical fiber. At the same time, the position of the front side of the turntable 3 changes back and forth continuously. The hinge block 6 is constrained by the hinge shaft 5 in the two sets of hinge frames 4 and the slide rod 8 in the slide tube 7 slides in a consistent manner to adapt to the position change. Then the slider 9 slides laterally back and forth on the outer side of the guide rail 10 and is then constrained by the movable constraint roller 12 in the side plate 11 to twist the optical fiber.

[0025] The traction wheel structure includes a mounting base 13, fixing plates 14, bolts 15, a traction frame 16, and a traction wheel 17. The mounting base 13 is located on the front side of the top of the turntable 3. The lower left and right sides of the traction frame 16 are respectively connected to the inner side of a set of fixing plates 14. The bolts 15 pass through the fixing plates 14 and are detachably screwed into the mounting base 13. The inner side of the traction frame 16 is rotatably connected to the outer side of the middle part of the traction wheel 17. During installation, the two sets of fixing plates 14 can be aligned with the mounting base 13, and the bolts 15 can pass through the fixing plates 14 and be screwed into the mounting base 13 to fix them, so that the traction frame 16 and the turntable 3 are connected as one unit, thereby assisting traction.

[0026] It also includes side baffles 18, with the left and right sides of the movable constraint roller 12 respectively connected to the inner middle of a set of side baffles 18; the two sets of side baffles 18 can limit the left and right sides of the movable constraint roller 12, preventing the optical fiber from sliding outward from the lower part of the movable constraint roller 12 and improving reliability.

[0027] It also includes a limiting frame 19. The left and right sides of the guide rail 10 at the top of the base 1 are respectively connected to the bottom side of a set of limiting frames 19. The two sets of limiting frames 19 can limit the left and right sides of the guide rail 10, preventing the slider 9 from sliding out to both sides on the guide rail 10 and improving reliability.

[0028] It also includes an oil nozzle 20, with the front side of the top of the slide tube 7 connected to the inner side of the oil nozzle 20; it also includes an oil nozzle 20, with the front side of the top of the slide tube 7 connected to the inner side of the oil nozzle 20.

[0029] It also includes an oil filling cap 21, and the outer side of the oil filling nozzle 20 and the inner side of the oil filling cap 21 can be detachably installed; after the oil filling cap 21 is installed on the outer side of the oil filling nozzle 20, the inside of the oil filling nozzle 20 can be sealed and protected, improving reliability.

[0030] In summary, when using the fiber drawing twisting device, during installation, the two sets of fixed threading plates 14 are aligned with the mounting base 13, and bolts 15 are threaded through the fixed threading plates 14 and screwed into the mounting base 13, so that the traction frame 16 and the turntable 3 are connected as one unit, thereby assisting traction. The device also abuts against the underside of the moving constraint roller 12 to wind the fiber. During this process, the reciprocating motor 2 runs, causing the turntable 3 to rotate reciprocally. The turntable 3 drives the traction frame 16 to act on the oscillation of the fiber. At the same time, the front position of the turntable 3 continuously changes back and forth. The hinge blocks 6 are constrained by the hinge shafts 5 inside the two sets of hinge frames 4, and slide through the slide rods 8 inside the slide tube 7. To adapt to positional changes, the connecting slider 9 slides laterally back and forth on the outside of the guide rail 10. Under the constraint of the moving constraint roller 12 in the side plate 11, it acts on the twisting of the optical fiber. In addition, the two sets of side baffles 18 can limit the left and right sides of the moving constraint roller 12 to prevent the optical fiber from sliding outward under the moving constraint roller 12. The two sets of limit frames 19 can limit the left and right sides of the guide rail 10 to prevent the slider 9 from sliding outward on both sides of the guide rail 10. Oil can be injected into the inner wall of the slide tube 7 through the oil injection nozzle 20 for convenient lubrication and maintenance. After the oil injection cap 21 is installed on the outside of the oil injection nozzle 20, the inside of the oil injection nozzle 20 can be sealed and protected to improve reliability.

[0031] This reciprocating motor 2 is a commercially available device known to those skilled in the art. We are simply using it here without making any structural or functional improvements, and we will not go into detail about it here.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A twisting device for drawing optical fibers, characterized in that, The system includes a base (1), a reciprocating motor (2), a turntable (3), a hinge frame (4), a hinge shaft (5), a hinge block (6), a slide tube (7), a slide rod (8), a slider (9), a guide rail (10), a side plate (11), and a moving constraint roller (12). The bottom rear side of the base (1) is connected to the top of the reciprocating motor (2), and the output end of the reciprocating motor (2) is connected to the middle of the bottom of the turntable (3). A traction wheel structure is provided on the front side of the top of the turntable (3). The inner wall of the slide tube (7) is slidably connected to the outer wall of the slide rod (8). The slide tube (7) and the slide rod (8) are connected to each other. 8) A set of hinge blocks (6) are connected to the outer end respectively. The middle part of the outer side of each set of hinge blocks (6) is connected to the middle part of the inner side of a set of hinge frames (4) via a set of hinge shafts (5). The two sets of hinge frames (4) are connected to the front middle side of the turntable (3) and the rear middle side of the slider (9) respectively. The front side of the top of the base (1) is connected to the bottom end of the guide rail (10). The outer side of the guide rail (10) is connected to the inner side of the slider (9) in a transverse sliding connection. One side of the top of the slider (9) is connected to the bottom end of the side plate (11). The upper part of the inner side of the side plate (11) is rotatably equipped with a movable constraint roller (12).

2. The fiber drawing twisting device according to claim 1, characterized in that: The traction wheel structure includes a mounting base (13), a fixing plate (14), a bolt (15), a traction frame (16), and a traction wheel (17). The mounting base (13) is provided on the front side of the top of the turntable (3). The lower left and right sides of the traction frame (16) are respectively connected to the inner side of a set of fixing plates (14). The bolt (15) passes through the fixing plate (14) and is detachably screwed into the mounting base (13). The inner side of the traction frame (16) is rotatably connected to the outer side of the middle part of the traction wheel (17).

3. The fiber drawing twisting device according to claim 1, characterized in that: It also includes side baffles (18), and the left and right sides of the movable constraint roller (12) are respectively connected to the middle of the inner side of a set of side baffles (18).

4. The optical fiber drawing twisting device according to claim 1, characterized in that: It also includes a limiting frame (19), and the left and right sides of the guide rail (10) at the top of the base (1) are respectively connected to the bottom side of a set of limiting frames (19).

5. The fiber drawing twisting device according to claim 1, characterized in that: It also includes an oil nozzle (20), the front side of the top of the slide tube (7) is connected to the inner side of the oil nozzle (20).

6. The fiber drawing twisting device according to claim 5, characterized in that: It also includes an oil filling cap (21), the outer side of the oil filling nozzle (20) and the inner side of the oil filling cap (21) can be detachably installed.

Images