Detection device for optical fiber communication cable production

Abstract

The invention discloses a detection device for optical fiber communication cable production, which relates to the technical field of optical fiber cable production detection and comprises a bottom frame, a vertical frame, a side frame, a machine base, a driving motor, a shielding net and an optical fiber surface flatness movable detection unit. The vertical frame is installed on the top of the bottom frame, the side frame is arranged on one side of the top of the vertical frame, and the machine base is installed on one side of the vertical frame. The optical fiber surface flatness movable detection unit comprises a movable part and a guide part, the movable part drives a transmission screw to rotate through a stepping motor and a speed reducer and drives the guide part to move along a limiting sliding rod, and the guide part drives conveying rollers to adjust the distance through an electric drive guide rail to adapt to cables of different specifications and is matched with a distance sensor to achieve cable surface flatness detection. Cable coil materials are installed and conveyed on one side of the vertical frame through a driver and a material hanging frame.

Description

Technical Field

[0001] This invention relates to the field of optical fiber communication cable production equipment technology, specifically to a testing device for optical fiber communication cable production. Background Technology

[0002] In today's rapidly developing fiber optic communication technology, fiber optic communication cables, as the core carrier of signal transmission, directly determine the stability and transmission efficiency of the communication system. Among these, the surface flatness of fiber optic communication cables is a key quality indicator. Defects such as bumps, depressions, scratches, and bulges on the cable surface not only affect the cable's appearance but also cause a series of problems during subsequent installation. For example, surface bumps may cause the cable to get stuck during conduit installation, increasing construction difficulty and even damaging the cable sheath; surface depressions may damage the internal fiber cores, affecting the integrity of signal transmission and leading to signal attenuation, packet loss, and other faults; in severe cases, surface defects may also reduce the cable's mechanical strength and shorten its service life. Therefore, accurate and efficient testing of the surface flatness of fiber optic communication cables is a crucial step in ensuring product quality and enhancing market competitiveness.

[0003] In the existing technology, there are various types of devices for surface inspection of optical fiber communication cables, but they generally suffer from the following technical problems that urgently need to be solved: First, poor adaptability. Most inspection devices have fixed clamping and guiding mechanisms, which can only adapt to a single or a few specifications of cables. When it is necessary to inspect cables of different diameters, the entire clamping and guiding assembly must be replaced, which is cumbersome and increases production and inspection costs, failing to meet the multi-specification and flexible inspection needs of modern production. Second, insufficient inspection accuracy. The inspection mechanism of traditional inspection devices is mostly set in a fixed position, which can only inspect a local area of ​​the cable surface, resulting in a large inspection blind spot. It is difficult to fully cover the circumferential surface and axial length of the cable, and it is easy to miss surface defects. At the same time, some inspection devices use contact inspection methods. First, the detection head directly contacts the cable surface, which may not only cause wear to the cable sheath but also affect the detection accuracy due to unstable contact pressure. Second, the cable conveying stability is poor. During the detection process, the cable conveying speed and posture directly affect the detection effect. The existing devices mostly use a single drive method for the conveying mechanism, which lacks effective guiding and limiting structures, making it easy for problems such as cable conveying deviation, shaking, and jamming to occur, resulting in fluctuations in the detection signal and a high false judgment rate. Third, the overall stability and protection of the device are insufficient. The frame structure of some detection devices is simple, and it is easy to shake due to uneven ground when placed, affecting the detection accuracy. At the same time, the detection mechanism and transmission mechanism lack effective protection measures, making them susceptible to interference from external dust and debris, and even potentially causing safety accidents due to accidental contact by personnel. Summary of the Invention

[0004] The purpose of this invention is to provide a testing device for the production of optical fiber communication cables, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a testing device for the production of optical fiber communication cables. A testing device for fiber optic communication cable production includes a base frame, a vertical frame, a side frame, a base, a drive motor, and a shielding mesh. The vertical frame is installed on the top surface of the base frame, the side frame is installed on one side of the top of the vertical frame, the base is installed on one side of the vertical frame, the drive motor is installed on one side of the side frame, and the shielding mesh is installed on one side of the vertical frame. An active optical fiber surface flatness detection unit is provided, which is disposed on one side of the side frame and is used to detect the flatness of the surface of the optical fiber communication cable being transported and tested on one side of the side frame.

[0006] Furthermore, the fiber surface flatness motion detection unit includes a movable part, which includes a limiting slide rod and a transmission screw. The limiting slide rod and the transmission screw are disposed on the inner wall of the side frame. A stepper motor is installed on the outer side of the side frame, and a reducer is also installed on the outer side of the side frame. The rotating end of the reducer is fixed to one end of the transmission screw, and a transmission wheel is also installed on the rotating end of the reducer. The transmission wheel is connected to the stepper motor via belt drive.

[0007] Furthermore, the fiber optic surface flatness detection unit also includes a guide section, which includes a base plate. A mounting seat is provided at the bottom of the base plate. The mounting seat is threaded onto the surface of the transmission screw and slidably mounted on the surface of the limiting slide rod. Vertical plates are symmetrically mounted on the surface of the base plate, and a U-shaped frame is installed between adjacent vertical plates. Side plates are symmetrically mounted on both sides of the vertical plates. An electric drive guide rail is embedded in the surface of the side plate. A slider is mounted on the moving end of the electric drive guide rail. A conveying roller is installed between adjacent sliders. A distance sensor is mounted on the other side of the slider.

[0008] Furthermore, the guide section also includes an electrically driven guide rail two embedded in the surface of the U-shaped frame, a slider two mounted on the moving end of the electrically driven guide rail two, a conveying roller mounted between adjacent slider two, and a distance sensor mounted on the top of the slider two.

[0009] Furthermore, a centrally located guide wheel is also installed inside the vertical plate.

[0010] Furthermore, a transmission device is installed near the side of the vertical frame close to the machine base, and a material hanging rack is installed on the rotating end of the transmission device.

[0011] Furthermore, a drive motor is mounted on the base, and the output end of the drive motor is fixed to the rotating end of the transmission.

[0012] Furthermore, a hanging cylinder is fitted onto the surface of the hanging rack, a baffle is fitted onto one side of the hanging cylinder, and a self-locking valve block is provided on the surface of the baffle.

[0013] Furthermore, the surface of the conveying roller is covered with an elastic wear-resistant rubber layer, and an annular guide groove is formed on the surface of the rubber layer.

[0014] Furthermore, adjustable support feet are installed at the four corners of the bottom of the base frame, and anti-slip pads are provided at the bottom of the support feet.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. In use, by setting electric drive guide rail one and electric drive guide rail two on the side plate and U-shaped frame respectively, the drive slider one and slider two drive the conveying rollers to move flexibly. The spacing between the conveying rollers can be precisely adjusted according to the different diameter specifications of optical fiber communication cables, so as to achieve stable clamping and guidance of cables of different specifications. There is no need to replace the clamping and guiding components, which is simple to operate, effectively reduces the testing cost, and meets the multi-specification and flexible testing needs of modern production. At the same time, the hanging cylinder on the hanging rack can be adapted to cable rolls of different inner diameters, further enhancing the adaptability of the device. 2. In use, the moving part of the fiber optic surface flatness detection unit, through the coordinated action of a stepper motor, reducer, transmission wheel, and transmission screw, can drive the guide part to move smoothly and accurately back and forth along the limit slide bar, ensuring that the detection mechanism can fully cover the axial length of the cable. Distance sensors are installed on both sides of the guide part's side plate and above the U-shaped frame, forming a 360° all-round detection in the circumferential direction of the cable, effectively eliminating the detection blind spots of traditional detection devices. Using a laser distance sensor for non-contact detection, the distance between the cable surface and the sensor can be detected in real time and accurately. When the distance value fluctuates abnormally, it can be determined that there is a flatness defect on the cable surface, avoiding damage to the cable sheath caused by contact detection, while ensuring the accuracy and reliability of the detection results. 3. During use, the drive motor and transmission drive the hanging rack to rotate smoothly, achieving stable unloading of the cable reel. The deceleration effect of the transmission converts the high speed of the drive motor into the low speed and high torque rotation of the hanging rack, ensuring a stable and controllable unloading speed. During the conveying process, the cable passes through the guidance of the central guide wheel and the clamping guidance of the conveying rollers. The central guide wheel can position the cable in the middle, preventing the cable from deviating or twisting before entering the detection area. The annular guide groove on the surface of the conveying rollers can limit the circumferential movement of the cable, and with the anti-slip effect of the elastic wear-resistant rubber layer, it ensures that the cable maintains a stable conveying posture during the detection process, without deviation, shaking, or slippage. At the same time, the speed of the drive motor can be precisely matched with the moving speed of the stepper motor and the detection frequency of the distance sensor through the control system, realizing the coordinated operation of cable conveying and detection, further improving detection efficiency and accuracy. 4. During use, the adjustable support feet at the bottom of the base frame adopt a threaded adjustment structure, which can precisely adjust the height of each support foot according to the flatness of different ground, ensuring that the overall device remains level; the anti-slip pads at the bottom of the support feet are made of nitrile rubber, which has good anti-slip and wear resistance, effectively preventing the device from shaking or slipping during operation; the shielding mesh is made of stainless steel and is fixed to one side of the vertical frame with buckles, which can effectively protect the transmission device, hanging rack and other mechanisms on the vertical frame side, preventing external dust and debris from entering and affecting the operation of the mechanism, and at the same time preventing personnel from accidentally touching rotating parts and causing safety accidents, thus improving the safety and service life of the device; 4. During use, most components are connected by detachable methods such as bolts and clips, such as side frame and vertical frame, electric drive rail and side plate, distance sensor and slider, which facilitates the disassembly, maintenance and replacement of components; key transmission parts of the device are equipped with grease filling ports, which can be used to add grease regularly, reduce friction and wear between components and extend the service life of components; at the same time, the device has a compact structure and small footprint, which is convenient for installation and layout in the production workshop and improves the utilization rate of workshop space. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall device of the present invention; Figure 2 This is a schematic diagram of the shielding mesh portion in this invention; Figure 3 This is a schematic diagram of the material hanging rack, material hanging cylinder, baffle and self-locking valve block in this invention; Figure 4 This is a schematic diagram of the limiting slide bar and transmission screw in this invention; Figure 5 This is a schematic diagram of the base plate, vertical plate, and side plate in this invention; Figure 6 This is a schematic diagram of the U-shaped frame and distance sensor in this invention.

[0017] In the diagram: 1. Base frame; 2. Vertical frame; 3. Side frame; 31. Limiting slide bar; 32. Transmission screw; 33. Mounting base; 34. Reducer; 35. Transmission wheel; 4. Machine base; 41. Transmission device; 42. Material hanging rack; 43. Material hanging cylinder; 44. Baffle; 45. Self-locking valve block; 5. Drive motor; 6. Shielding mesh; 7. Stepper motor; 8. Base plate; 81. Vertical plate; 82. Side plate; 821. Electric drive guide rail one; 822. Slider one; 83. U-shaped frame; 831. Electric drive guide rail two; 832. Slider two; 84. Distance sensor; 85. Central guide wheel; 9. Conveyor roller. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] In the description of this invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0020] In addition, a fixed connection refers to a connection in which parts or components are fixed and there is no relative movement; a transmission connection refers to a connection in which mechanical motion or torque is transmitted to other working parts through a transmission component; a sliding connection refers to a connection in which two objects are in contact but not fixed and can slide relative to each other; and a rotational connection refers to a connection in which two objects are in contact but not fixed and can rotate relative to each other.

[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0022] Please see Figure 1-6 The present invention provides a technical solution: Example 1: A testing device for fiber optic communication cable production: A testing device for fiber optic communication cable production includes core components such as a base frame 1, a vertical frame 2, a side frame 3, a base 4, a drive motor 5, a shielding mesh 6, a stepper motor 7, a base plate 8, and conveyor rollers 9. The base frame 1 has adjustable support feet at its four corners with a threaded adjustment structure; height adjustment is achieved by rotating the support feet. Anti-slip pads made of rubber are adhesively fixed to the bottom of the support feet. The vertical frame 2 is bolted to the base frame 1. The shielding mesh 6 is secured to one side of the vertical frame 2 with clips to protect the internal structure. The side frame 3 has a hollow frame structure. Limiting slide rods 31 are welded to the inner wall of the side frame 3 at both ends. A transmission screw 32 is rotatably connected to the inner wall of the side frame 3 via bearings. The stepper motor 7 is bolted to the outside of the side frame 3. A reducer 34 drives the stepper motor 7 via a transmission wheel 35 and a transmission belt. The output end of the reducer 34 is fixedly connected to one end of the transmission screw 32 via a coupling.

[0023] The base plate 8 of the guide section and the mounting base 33 adopt an integral molding structure. The mounting base 33 has an internal thread that matches the transmission screw 32, and also has a sliding hole that matches the limiting slide rod 31, so as to realize smooth sliding along the limiting slide rod 31. The vertical plate 81 is symmetrically welded to the surface of the base plate 8. The side plate 82 is fixed to both sides of the vertical plate 81 by bolts. The electric drive guide rail 821 is embedded in the mounting groove on the surface of the side plate 82. The slider 822 is slidably connected to the electric drive guide rail 821. The conveying roller 9 is rotatably connected to the slider 822 through a rotating shaft. The U-shaped frame 83 is welded between adjacent vertical plates 81. The electric drive guide rail 831 is embedded in the surface of the U-shaped frame 83. The slider 832 is slidably connected to the electric drive guide rail 831. The conveying roller 9 at its top is installed in the same way as the slider 822. The distance sensor 84 is a laser distance sensor, which is fixed to the corresponding sides of the slider 822 and the slider 832 by bolts to detect the distance to the cable surface. The central guide wheel 85 is rotatably installed in the mounting hole inside the vertical plate 81 through a rotating shaft for intermediate guidance of the cable.

[0024] The transmission device 41 adopts a gear reducer and is fixed to the side of the vertical frame 2 near the machine base 4 by bolts. The hanging frame 42 is fixed to the rotating end of the transmission device 41 by a key. The hanging cylinder 43 is sleeved on the surface of the hanging frame 42. The baffle 44 is sleeved on one side of the hanging cylinder 43. The self-locking valve block 45 is installed on the surface of the baffle 44 by threads. Rotating the self-locking valve block 45 can lock and fix the hanging cylinder 43. The drive motor 5 on the machine base 4 is fixed by bolts. Its output end is fixedly connected to the input end of the transmission device 41 by a coupling and is used to drive the hanging frame 42 to rotate.

[0025] In this embodiment, 1. Base Frame 1: The base frame adopts a rectangular frame structure, and the frame material is Q235B carbon structural steel. This material has good mechanical properties, with a yield strength ≥235MPa and a tensile strength ≥370MPa, which can ensure the load-bearing capacity of the base frame. The base frame is welded from four horizontal beams and four vertical beams. The cross-sectional dimensions of the horizontal beams and vertical beams are all rectangular steel pipes with dimensions of 80mm×80mm×5mm. The welding method is carbon dioxide gas shielded welding, with a welding current of 200-250A, a welding voltage of 25-30V, and a welding speed of 3-5mm / s, ensuring the strength and sealing of the weld joints. After welding, the weld joints are ground to remove weld slag and burrs to avoid stress concentration. The top surface of the base frame uses a 10mm thick Q235B steel plate as the load-bearing panel. The steel plate is fixed to the frame by welding, with a welding spacing of 100mm, to ensure a firm connection between the panel and the frame.

[0026] Adjustable support feet are installed at all four corners of the base frame 1. These feet are M20×100 threaded feet made of 45# steel with a galvanized surface and a zinc coating thickness ≥8μm, providing excellent rust and corrosion resistance. The adjustment range of the support feet is 0-50mm, achieved by rotating the top nut of the support foot, with an adjustment accuracy of 1mm. Anti-slip pads are installed at the bottom of the support feet. These pads are made of nitrile rubber with a Shore hardness of 65HA and a thickness of 10mm. They are fixed to the bottom of the support feet with a high-strength adhesive such as epoxy resin, with a bonding strength ≥2MPa. The surface of the anti-slip pads features a diamond-shaped anti-slip pattern with a depth of 2mm, effectively enhancing the friction between the support feet and the ground, achieving a friction coefficient of 0.85, and preventing shaking or slippage of the device during operation.

[0027] 2. Vertical Frame 2: The vertical frame adopts an upright frame structure, also made of Q235B carbon structural steel. The frame is welded together from four uprights and several cross braces. The uprights are rectangular steel pipes with a cross-section of 100mm×100mm×6mm, and the cross braces are rectangular steel pipes with a cross-section of 60mm×60mm×4mm. The welding process is the same as that of the base frame. The vertical frame is 1800mm high, 800mm wide, and 500mm thick, and can be adjusted appropriately according to the space height of the production workshop and testing requirements. The bottom of the vertical frame is fixed to the top of the base frame's load-bearing panel with bolts, using 16 M16×40 high-strength bolts with a bolt spacing of 200mm and a bolt preload torque of 350N·m, ensuring a firm connection between the vertical frame and the base frame without relative displacement.

[0028] Working principle: In use, the fiber optic communication cable roll is first placed on the hanging cylinder 43 of the hanging frame 42. The roll is locked and fixed by the baffle 44 and the self-locking valve block 45. Then, one end of the cable is pulled out and passes through the gap between the central guide wheel 85 and the conveying roller 9. According to the cable diameter, the slider 822 and slider 832 are moved by the electric drive guide rail 1 821 and the electric drive guide rail 2 831 respectively, adjusting the distance between the conveying rollers 9 so that the cable is stably clamped without being squeezed or damaged. Then, the drive motor 5 is started. 5. The transmission device 41 drives the hanging frame 42 to rotate, realizing the stable feeding and conveying of the cable. At the same time, the stepper motor 7 is started. The stepper motor 7 drives the transmission screw 32 to rotate through the transmission wheel 35 and the reducer 34, which drives the mounting base 33 and the guide part to reciprocate along the limit slide bar 31. During the cable conveying process, the distance sensor 84 on each slider detects the distance to the cable surface in real time. If the detected distance value shows abnormal fluctuation, it indicates that there is a flatness defect on the cable surface, thus completing the efficient and accurate detection of the surface flatness of the optical fiber communication cable.

[0029] Although embodiments of the 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 invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A testing device for the production of optical fiber communication cables, characterized in that: It includes a base frame (1), a vertical frame (2), a side frame (3), a base (4), a drive motor (5), and a shielding mesh (6). The vertical frame (2) is installed on the top surface of the base frame (1), the side frame (3) is installed on one side of the top of the vertical frame (2), the base (4) is installed on one side of the vertical frame (2), the drive motor (5) is installed on one side of the side frame (3), and the shielding mesh (6) is installed on one side of the vertical frame (2). An active detection unit for optical fiber surface flatness is provided on one side of the side frame (3) and is used to detect the flatness of the surface of the optical fiber communication cable being transported and tested on one side of the side frame (3).

2. The testing device for fiber optic communication cable production according to claim 1, characterized in that: The fiber surface flatness detection unit includes a movable part, which includes a limiting slide rod (31) and a transmission screw (32). The limiting slide rod (31) and the transmission screw (32) are disposed on the inner wall of the side frame (3). A stepper motor (7) is installed on the outer side of the side frame (3). A reducer (34) is also installed on the outer side of the side frame (3). The rotating end of the reducer (34) is fixed to one end of the transmission screw (32). A transmission wheel (35) is also installed on the rotating end of the reducer (34). The transmission wheel (35) is connected to the stepper motor (7) by belt drive.

3. The testing device for fiber optic communication cable production according to claim 2, characterized in that: The fiber surface flatness detection unit also includes a guide section, which includes a base plate (8). A mounting seat (33) is provided at the bottom of the base plate (8). The mounting seat (33) is threaded onto the surface of the transmission screw (32). The mounting seat (33) is also slidably mounted on the surface of the limiting slide rod (31). Vertical plates (81) are symmetrically mounted on the surface of the base plate (8). A U-shaped frame (83) is installed between adjacent vertical plates (81). Side plates (82) are symmetrically mounted on both sides of the vertical plates (81). An electric drive guide rail (821) is embedded in the surface of the side plate (82). A slider (822) is installed on the moving end of the electric drive guide rail (821). A conveying roller (9) is installed between adjacent sliders (822). A distance sensor (84) is installed on the other side of the slider (822).

4. The testing device for fiber optic communication cable production according to claim 3, characterized in that: The guide section also includes an electric drive rail (831) embedded in the surface of the U-shaped frame (83), a slider (832) is installed on the moving end of the electric drive rail (831), a conveying roller (9) is also installed between adjacent sliders (832), and a distance sensor (84) is also installed on the top of the slider (832).

5. The testing device for fiber optic communication cable production according to claim 4, characterized in that: The vertical plate (81) is also equipped with a central guide wheel (85).

6. The testing device for fiber optic communication cable production according to claim 1, characterized in that: The vertical frame (2) is close to the machine base (4) and a transmission device (41) is installed on the side of the transmission device (41). A material hanging rack (42) is installed on the rotating end of the transmission device (41).

7. The testing device for fiber optic communication cable production according to claim 6, characterized in that: A drive motor (5) is mounted on the base (4), and the output end of the drive motor (5) is fixed to the rotating end of the transmission device (41).

8. The testing device for fiber optic communication cable production according to claim 7, characterized in that: The surface of the hanging rack (42) is fitted with a hanging cylinder (43), and a baffle (44) is fitted on one side of the hanging cylinder (43). A self-locking valve block (45) is provided on the surface of the baffle (44).

9. The testing device for fiber optic communication cable production according to claim 1, characterized in that: The surface of the conveying roller (9) is covered with an elastic wear-resistant rubber layer, and an annular guide groove is provided on the surface of the rubber layer.

10. A testing device for fiber optic communication cable production according to claim 1, characterized in that: The base frame (1) is equipped with adjustable support feet at the four corners of the bottom, and anti-slip pads are provided at the bottom of the support feet.

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