Optical fiber preform butt joint equipment

Abstract

The utility model discloses optical fiber preform butt joint equipment, which relates to the technical field of optical fiber production equipment and comprises a base, a sliding seat, a nut block, a movable seat I, a screw rod I, a guide groove I, a motor I, a motor II, an adjustable clamping mechanism, a guide groove II, a screw rod II and a movable seat II, the device is reasonable and simple in structure, low in production cost, convenient to install and complete in function, the second motor drives the second screw rod to rotate, the first movable seat and the second movable seat transversely move in the second guide groove in a centering mode, the distance between the two optical fiber preforms can be accurately adjusted, preliminary preparation is made for butt joint, the worm is rotated through the rotating head, and butt joint is achieved. The worm gear is driven to rotate, so that the inner pipe body moves in the outer pipe body, the fine adjustment of the centering chuck is realized, the contact point between the butt joint surfaces of the two optical fiber preforms can be further accurately adjusted, and the butt joint accuracy and precision are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber production equipment, in particular to an optical fiber preform rod docking device. Background Art

[0002] Current technologies only address the docking of preforms and tail handles, but are unable to achieve docking of preforms with one another, preventing the production of longer preforms. For example, an existing Chinese utility model patent, CN 214571543 U, discloses an optical fiber preform docking device. However, this device is cumbersome and inconvenient to dock, and is not suitable for subsequent fusion splicing. Summary of the Invention

[0003] The purpose of the present invention is to provide an optical fiber preform butt jointing device in order to solve the above problems, which solves the problems that the existing optical fiber preform butt jointing devices are troublesome and inconvenient during butt jointing, and are not convenient for subsequent fusion splicing after butt jointing.

[0004] In order to solve the above problems, the utility model provides a technical solution: an optical fiber preform rod docking device, comprising a base, a slide, a nut block, a movable seat 1, a screw 1, a guide groove 1, a motor 1, a motor 2, an adjustable clamping mechanism, a guide groove 2, a screw 2 and a movable seat 2; a transverse guide groove 1 is provided inside the upper side of the base, and a motor 1 is fixedly connected to the left side of the base; the screw 1 is movably connected to the left side of the groove 1, and the left center of the screw 1 is fixedly connected to the right output shaft of the motor 1; the outer side of the lower side of the slide is transversely movably connected to the inside of the guide groove 1, a nut block is fixedly connected to the lower left side of the slide, and a threaded hole provided in the center of the nut block is connected to the screw 1, and the upper side of the slide is provided with a There is a horizontal guide groove two; the motor two is fixedly connected to the outer side of the lower left side of the slide; the screw two is movably connected to the lower side of the guide groove two, and the left center of the screw two is fixedly connected to the right output shaft of the motor two; the outer side of the lower side of the movable seat is horizontally movably connected to the left side of the guide groove two, and the threaded hole provided in the center of the lower side of the movable seat is connected to the left external thread of the screw two; the outer side of the lower side of the movable seat two is horizontally movably connected to the right side of the guide groove two, and the threaded hole provided in the center of the lower side of the movable seat two is connected to the right external threaded hole of the screw two; the lower side of the adjustable clamping mechanism is provided inside the upper side of the slide, the left side of the adjustable clamping mechanism is provided inside the movable seat one, and the right side of the adjustable clamping mechanism is provided inside the movable seat two.

[0005] Preferably, the specific structure of the adjustable clamping mechanism includes motor three, spline shaft, active pulley two, synchronous belt two, driven pulley two, fine-tuning clamping device two, fine-tuning clamping device one, driven pulley one, synchronous belt one and active pulley one; the motor three is fixedly connected to the upper right side of the slide; the spline shaft is movably connected to the upper side of the guide groove two, and the right center of the spline shaft is fixedly connected to the left output shaft of the motor three; the active pulley two is movably connected to the inside of the lower side of the movable seat two, and the spline hole provided in the center of the active pulley two is connected to the right side of the spline shaft; the A driving pulley is movably connected to the inside of a lower side of a movable seat, and a spline hole arranged in the center of the driving pulley is connected to the left side of the spline shaft; the outside of the fine-tuning clamping device is movably connected to the inside of the upper side of the movable seat, and the outside of the fine-tuning clamping device is fixedly connected to a driven pulley, and the driven pulley is connected to the driving pulley through a synchronous belt; the outside of the fine-tuning clamping device is movably connected to the inside of the upper side of the movable seat, and the outside of the fine-tuning clamping device is fixedly connected to a driven pulley, and the driven pulley is connected to the driving pulley through a synchronous belt.

[0006] Preferably, the specific structure of the fine-tuning clamping device 2 includes an outer tube body, an inner tube body, a worm gear, a worm, a rotating head and a centering chuck; the outside of the outer tube body is movably connected to the inside of the upper side of the movable seat 2, and the inside of the outer tube body is movably connected to the inner tube body; the left end of the inner tube body is fixedly connected to the centering chuck, and the right outside of the inner tube body is fixedly connected to the worm gear; the worm is movably connected to the inside of the upper right side of the outer tube body, the worm is connected to the upper side of the worm gear, and the center axis end of the worm is fixedly connected to the rotating head.

[0007] Preferably, a hexagonal hole is provided in the center of the outer side of the rotating head.

[0008] Preferably, the motor three is a servo motor or a stepper motor.

[0009] Preferably, the motor 1 and the motor 2 are servo motors or stepper motors.

[0010] The beneficial effects of the present invention are as follows: (1) The present invention has a reasonable and simple structure, low production cost, convenient installation, and complete functions. Here, the screw rod 2 is driven to rotate by the motor 2, so that the movable seat 1 and the movable seat 2 are moved laterally in the guide groove 2, and the distance between the two optical fiber preform rods can be accurately adjusted to make preliminary preparations for docking. The worm is rotated by the rotating head to drive the worm wheel to rotate, thereby moving the inner tube body inside the outer tube body, realizing fine adjustment of the centering chuck, and further accurately adjusting the contact point between the docking surfaces of the two optical fiber preform rods to ensure the accuracy and precision of docking.

[0011] (2) In the present invention, a motor drives a screw rod to rotate, so that the slide moves laterally in a guide groove, and the docking position of two optical fiber preform rods can be easily moved to the fusion position, which is convenient for subsequent fusion operations and improves the flexibility and convenience of work.

[0012] (3) In the present invention, the motor 3 drives the spline shaft to rotate, and through the transmission of the driving pulley, the synchronous belt and the driven pulley, the fine-tuning clamping device 1 and the fine-tuning clamping device 2 respectively rotate the two optical fiber preform rods synchronously, thereby ensuring the uniformity of the welding, greatly improving the welding quality, and reducing the defects caused by uneven welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the present utility model.

[0014] Figure 2 Schematic diagram of the structure of the adjustable clamping mechanism.

[0015] Figure 3 Schematic diagram of the structure of the fine-tuning clamping device.

[0016] 1-base; 2-slide; 3-nut block; 4-movable seat 1; 5-screw 1; 6-guide groove 1; 7-motor 1; 8-motor 2; 9-adjustable clamping mechanism; 10-guide groove 2; 11-screw 2; 12-movable seat 2; 91-motor 3; 92-spline shaft; 93-driving pulley 2; 94-synchronous belt 2; 95-driven pulley 2; 96-fine-tuning clamping device 2; 97-fine-tuning clamping device 1; 98-driven pulley 1; 99-synchronous belt 1; 910-driving pulley 1; 961-outer tube body; 962-inner tube body; 963-worm wheel; 964-worm; 965-rotating head; 966-centering chuck. DETAILED DESCRIPTION

[0017] like Figure 1As shown, this specific embodiment adopts the following technical solutions: an optical fiber preform docking device, including a base 1, a slide 2, a nut block 3, a movable seat 4, a screw 5, a guide groove 6, a motor 7, a motor 8, an adjustable clamping mechanism 9, a guide groove 10, a screw 2 11 and a movable seat 2 12; a transverse guide groove 6 is provided inside the upper side of the base 1, and a motor 7 is fixedly connected to the left side of the base 1; the screw 5 is movably connected to the left side of the groove 6, and the left center of the screw 5 is fixedly connected to the right output shaft of the motor 7; the outer side of the lower side of the slide 2 is transversely movably connected to the inside of the guide groove 6, the lower left side of the slide 2 is fixedly connected to the nut block 3, and the threaded hole provided in the center of the nut block 3 is connected to the screw 5, and the upper side of the slide 2 is provided with a transverse guide groove 6. 2, and the screw rod 11 is fixedly connected to the lower left side of the slide 2; the screw rod 11 is movably connected to the lower side of the guide groove 2 10, and the left center of the screw rod 11 is fixedly connected to the right side output shaft of the motor 2 8; the outer side of the lower side of the movable seat 14 is laterally movably connected to the left side of the guide groove 2 10, and the threaded hole provided in the center of the lower side of the movable seat 14 is connected to the left side external thread of the screw rod 11; the outer side of the lower side of the movable seat 2 12 is laterally movably connected to the right side of the guide groove 2 10, and the threaded hole provided in the center of the lower side of the movable seat 2 12 is connected to the right side external threaded hole of the screw rod 11; the lower side of the adjustable clamping mechanism 9 is provided on the inner side of the upper side of the slide 2, the left side of the adjustable clamping mechanism 9 is provided on the inner side of the movable seat 14, and the right side of the adjustable clamping mechanism 9 is provided on the inner side of the movable seat 2 12.

[0018] like Figure 2 As shown, the specific structure of the adjustable clamping mechanism 9 includes a motor 3 91, a spline shaft 92, a driving pulley 2 93, a synchronous belt 2 94, a driven pulley 2 95, a fine-tuning clamping device 2 96, a fine-tuning clamping device 1 97, a driven pulley 1 98, a synchronous belt 1 99 and a driving pulley 1 910; the motor 3 91 is fixedly connected to the upper right side of the slide 2; the spline shaft 92 is movably connected to the upper side of the guide groove 2 10, and the right center of the spline shaft 92 is fixedly connected to the left output shaft of the motor 3 91; the driving pulley 2 93 is movably connected to the lower side of the movable seat 2 12, and the spline hole provided in the center of the driving pulley 2 93 is connected to the right side of the spline shaft 92; The driving pulley 1 910 is movably connected to the inside of the lower side of the movable seat 14, and the spline hole arranged in the center of the driving pulley 1 910 is connected to the left side of the spline shaft 92; the fine-tuning clamping device 2 96 is externally movably connected to the inside of the upper side of the movable seat 12, and the fine-tuning clamping device 2 96 is externally fixedly connected to the driven pulley 2 95, and the driven pulley 2 95 is connected to the driving pulley 2 93 through the synchronous belt 2 94; the fine-tuning clamping device 1 97 is externally movably connected to the inside of the upper side of the movable seat 4, and the fine-tuning clamping device 1 97 is externally fixedly connected to the driven pulley 1 98, and the driven pulley 1 98 is connected to the driving pulley 1 910 through the synchronous belt 1 99.

[0019] like Figure 3 As shown, the specific structure of the fine-tuning clamping device 2 96 includes an outer tube body 961, an inner tube body 962, a worm wheel 963, a worm 964, a rotating head 965 and a centering chuck 966; the outer tube body 961 is movably connected to the inner part of the upper side of the movable seat 2 12, and the inner tube body 962 is movably connected to the inner part of the outer tube body 961; the left end of the inner tube body 962 is fixedly connected to the centering chuck 966, and the right side of the inner tube body 962 is fixedly connected to the outside; the worm 964 is movably connected to the inner part of the upper right side of the outer tube body 961, and the worm 964 is connected to the upper side of the worm wheel 963, and the central axis end of the worm 964 is fixedly connected to the rotating head 965.

[0020] Among them, a hexagonal hole is opened in the center of the outer side of the rotating head 965; the motor three 91 is a servo motor or a stepper motor, so it is convenient to control the motor three 91 through existing automation technology; the motor one 7 and the motor two 8 are servo motors or stepper motors, so it is convenient to control the motor one 7 and the motor two 8 through existing automation technology.

[0021] The use state of the present utility model is as follows: the present utility model has a reasonable and simple structure, low production cost, easy installation, and complete functions. When in use, first clamp the two optical fiber preform rods to be docked in the centering chucks 966 on both sides of the adjustable clamping mechanism 9, respectively. Then, start the motor 2 8, and the output shaft on the right side of the motor 2 8 drives the screw 2 11 to rotate under the guide groove 2 10 inside the upper side of the slide 2. The movable seat 1 4 and the movable seat 2 12 are respectively connected to the external threads on both sides of the screw 2 11 through the threaded holes in the center of the lower side. 1, the movable seat 1 4 and the movable seat 2 12 are laterally moved in the guide groove 2 10 to shorten the distance between the two optical fiber preforms. Here, the worm 964 is rotated by the rotating head 965, and the worm 964 drives the worm wheel 963 to rotate, thereby causing the inner tube 962 to rotate inside the outer tube 961. The centering chuck 966 at the left end of the inner tube 962 rotates accordingly, further accurately adjusting the contact point between the butt joints of the two optical fiber preforms. Then, the motor 1 7 is started, and the output shaft on the right side of the motor 7 drives the worm 964 to rotate. Rod 15 rotates on the left side of the guide groove 16 inside the upper side of the base 1, and the outer side of the lower side of the slide 2 is connected to the screw rod 15 through the nut block 3. Under the rotation of the screw rod 15, the slide 2 moves laterally inside the guide groove 6 and is adjusted to a suitable position, so as to facilitate moving the docking position of the two optical fiber preform rods to the welding position for solvent dissolution. In addition, the motor 3 91 is started, and the output shaft on the left side of the motor 3 91 drives the spline shaft 92 to rotate. The right side of the spline shaft 92 is connected to the spline hole in the center of the active pulley 2 93, driving the active pulley 2 93 to rotate. The driving pulley 2 93 drives the driven pulley 2 95 to rotate through the synchronous belt 2 94, thereby rotating the fine-tuning clamping device 2 96. At the same time, the left side of the spline shaft 92 is connected to the spline hole in the center of the driving pulley 1 910, driving the driving pulley 1 910 to rotate. The driving pulley 1 910 drives the driven pulley 1 98 to rotate through the synchronous belt 1 99, thereby rotating the fine-tuning clamping device 1 97. The fine-tuning clamping device 1 97 and the fine-tuning clamping device 2 96 respectively rotate the two optical fiber preform rods synchronously, thereby ensuring the uniformity during welding.

[0022] The control method of the present invention is through manual start-up or control through existing automation technology. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices. Therefore, the control method and wiring arrangement are no longer explained in detail in the present invention.

[0023] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] In the present invention, unless otherwise clearly specified and limited, terms such as "installation", "setting", "connection", "fixation", and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly specified and limited, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0025] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements shall fall within the scope of the present invention to be protected. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. An optical fiber preform docking device, characterized by: It includes a base (1), a slide (2), a nut block (3), a movable seat (4), a screw (5), a guide groove (6), a motor (7), a motor (8), an adjustable clamping mechanism (9), a guide groove (10), a screw (11) and a movable seat (12); A transverse guide groove (6) is provided on the interior of the upper side of the base (1), and a motor (7) is fixedly connected to the exterior of the left side of the base (1); The screw rod 1 (5) is movably connected to the left side of the groove 1 (6), and the left center of the screw rod 1 (5) is fixedly connected to the right output shaft of the motor 1 (7); The outer portion of the lower side of the slide (2) is laterally movably connected to the inside of the guide groove 1 (6); a nut block (3) is fixedly connected to the lower left side of the slide (2), and a threaded hole provided in the center of the nut block (3) is connected to the screw rod 1 (5); a transverse guide groove 2 (10) is provided inside the upper side of the slide (2); The second motor (8) is fixedly connected to the outside of the lower left side of the slide (2); The second screw rod (11) is movably connected to the lower side of the second guide groove (10), and the left center of the second screw rod (11) is fixedly connected to the right output shaft of the second motor (8); The outer portion of the lower side of the movable seat 1 (4) is laterally movably connected to the left side of the guide groove 2 (10), and the threaded hole provided in the center of the lower side of the movable seat 1 (4) is connected to the outer thread on the left side of the screw rod 2 (11); The outer portion of the lower side of the movable seat 2 (12) is laterally movably connected to the right side of the guide groove 2 (10), and the threaded hole provided in the center of the lower side of the movable seat 2 (12) is connected to the outer threaded hole on the right side of the screw rod 2 (11); The lower side of the adjustable clamping mechanism (9) is arranged inside the upper side of the slide seat (2), the left side of the adjustable clamping mechanism (9) is arranged inside the movable seat 1 (4), and the right side of the adjustable clamping mechanism (9) is arranged inside the movable seat 2 (12).

2. The optical fiber preform docking device according to claim 1, characterized in that: The specific structure of the adjustable clamping mechanism (9) includes a motor three (91), a spline shaft (92), a driving pulley two (93), a synchronous belt two (94), a driven pulley two (95), a fine-tuning clamping device two (96), a fine-tuning clamping device one (97), a driven pulley one (98), a synchronous belt one (99) and a driving pulley one (910); The motor 3 (91) is fixedly connected to the upper right side of the slide (2); The spline shaft (92) is movably connected to the upper side of the guide groove 2 (10), and the right center of the spline shaft (92) is fixedly connected to the left output shaft of the motor 3 (91); The second active pulley (93) is movably connected to the interior of the lower side of the second movable seat (12), and the spline hole provided in the center of the second active pulley (93) is connected to the right side of the spline shaft (92); The driving pulley 1 (910) is movably connected to the interior of the lower side of the movable seat 1 (4), and the spline hole provided in the center of the driving pulley 1 (910) is connected to the left side of the spline shaft (92); The second fine-tuning clamping device (96) is externally movably connected to the interior of the upper side of the second movable seat (12), and the second fine-tuning clamping device (96) is externally fixedly connected to the second driven pulley (95), and the second driven pulley (95) is connected to the second driving pulley (93) through the second synchronous belt (94); The fine-tuning clamping device (97) is externally movably connected to the interior of the upper side of the movable seat (4), and the fine-tuning clamping device (97) is externally fixedly connected to a driven pulley (98), and the driven pulley (98) is connected to the driving pulley (910) through a synchronous belt (99).

3. The optical fiber preform docking device according to claim 2, characterized in that: The specific structure of the fine-tuning clamping device 2 (96) includes an outer tube body (961), an inner tube body (962), a worm wheel (963), a worm (964), a rotating head (965) and a centering chuck (966); The outer tube body (961) is externally movably connected to the interior of the upper side of the movable seat 2 (12), and the inner tube body (962) is internally movably connected to the outer tube body (961); A centering chuck (966) is fixedly connected to the left end of the inner tube body (962), and a worm gear (963) is fixedly connected to the outside of the right side of the inner tube body (962); The worm (964) is movably connected to the interior of the upper right side of the outer tube (961), the worm (964) is connected to the upper side of the worm wheel (963), and the central axis end of the worm (964) is fixedly connected to the rotating head (965).

4. The optical fiber preform docking device according to claim 3, characterized in that: A hexagonal hole is provided in the center of the outer side of the rotating head (965).

5. The optical fiber preform docking device according to claim 2, characterized in that: The motor three (91) is a servo motor or a stepper motor.

6. The optical fiber preform docking device according to claim 1, characterized in that: The motor 1 (7) and the motor 2 (8) are servo motors or stepper motors.

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