Plastic optical fiber stretching device

Abstract

The application belongs to the technical field of optical fiber stretching, and particularly relates to a plastic optical fiber stretching device. The device is convenient to use, and can avoid the problems of inconvenient fixed stretching, inconvenient fixed length stretching, over-heating and stretching, and non-stretching section stretching. The device comprises a workbench, a support plate is fixedly connected to the inner wall of one side of the workbench, a rotating shaft is rotatably connected to one side of the support plate, an optical fiber roll is fixedly connected to the outer wall of the rotating shaft, and a threading hole is formed in one side of the workbench. In the application, the sliding block, the adjusting nut and the wedge block can be used to complete fixed length stretching, and the adjusting nut can be used to adjust the stretching distance. The device is convenient to use, and can avoid the problems of optical fiber having stretched and non-stretched sections, thereby increasing work efficiency.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of optical fiber stretching, and in particular to a plastic optical fiber stretching device. BACKGROUND

[0002] The plastic optical fiber is in a whole circle, but needs to be straightened before use.

[0003] At present, there is no special device for straightening the optical fiber, and in the prior art, the optical fiber is manually soaked in hot water or manually stretched and straightened in water vapor.

[0004] Patent No. CN113119437A discloses a stretching machine and a plastic optical fiber stretching method, an optical fiber rotating heating device is arranged at the inlet of the heating box, and an optical fiber rotating heating device is also arranged at the outlet of the refrigeration box. The two optical fiber rotating heating devices work synchronously to replace the heating positions of the top and bottom of the plastic optical fiber in the heating box, so that uniform heating is realized.

[0005] The device also has the following disadvantages:

[0006] 1. During stretching, one end of the optical fiber is wound on the optical fiber frame, and the other end needs to be pulled out and fixed. The device is inconvenient to fix and stretch at the same time, which leads to inconvenient use.

[0007] 2. When pulling out, it is not convenient to pull out a fixed length, which can easily lead to the heating and stretching of the over-stretched optical fiber section and the pulling out of the non-stretched section. In view of the above problems, the present application provides a plastic optical fiber stretching device. SUMMARY

[0008] The present application provides a plastic optical fiber stretching device, which solves the problems in the prior art that the device is inconvenient to fix and stretch at the same time, which leads to inconvenient use, and it is not convenient to pull out a fixed length, which can easily lead to the heating and stretching of the over-stretched optical fiber section and the pulling out of the non-stretched section.

[0009] The present application provides the following technical solutions:

[0010] A plastic optical fiber stretching device comprises:

[0011] A workbench, a support plate is fixedly connected to the inner wall of one side of the workbench, a rotating shaft is rotatably connected to one side of the support plate, an optical fiber roll is fixedly sleeved on the outer wall of the rotating shaft, and a threading hole is formed in one side of the workbench.

[0012] The inner wall of one side of the workbench is fixedly connected with an L-shaped support, the bottom of the L-shaped support is fixedly connected with a heating jacket, the inner wall of the heating jacket is provided with heating wires, the bottom inner wall of the workbench is fixedly connected with a first partition plate and a second partition plate, the opposite side of the first partition plate and the second partition plate is fixedly connected with the same connecting sleeve in penetration, a plurality of air holes are formed in the outer wall of the connecting sleeve, the inner wall of one side of the workbench is fixedly connected with a cooling fan, and the cooling fan is located between the first partition plate and the second partition plate.

[0013] The bottom inner wall of the workbench is slidably connected with a sliding block through a first sliding rail, the top of the sliding block is fixedly connected with a moving cone sleeve, one side inner wall of the workbench is slidably connected with a second moving block through a second sliding rail, one side of the second moving block is slidably connected with two first moving blocks through a third sliding rail, the same side of the two first moving blocks is fixedly connected with a conical clamping block used in cooperation with the moving cone sleeve, and arc-shaped holes are formed in the opposite sides of the two conical clamping blocks.

[0014] The brake assembly is arranged on one side of the supporting plate and used for braking the rotating shaft.

[0015] The limiting assembly is arranged on the inner wall of one side of the workbench and used for limiting the second moving block.

[0016] In a possible design, the brake assembly comprises an arc-shaped elastic plate arranged on the outer side of the rotating shaft, the inner side of the arc-shaped elastic plate is fixedly connected with a plurality of rubber pads, one end of the arc-shaped elastic plate is rotatably connected with the supporting plate, the other end of the arc-shaped elastic plate is fixedly connected with a second screw rod, the second screw rod penetrates the first partition plate, the second partition plate and one side of the workbench, the outer wall of the second screw rod is threadedly connected with a limiting nut, and the limiting nut abuts against one side of the workbench.

[0017] In a possible design, the limiting assembly comprises a third fixed block fixedly connected with the inner wall of one side of the workbench, a pin column is arranged in penetration at the top of the third fixed block, a positioning hole used in cooperation with the pin column is formed in the bottom of the second moving block, a third spring is arranged in sleeve on the outer wall of the pin column, and the two ends of the third spring are fixedly connected with the opposite sides of the third fixed block and the pin column respectively, a wedge block is slidably connected with one side of the workbench, a U-shaped hole used in cooperation with the pin column is formed in the top of the wedge block, and a U-shaped groove used in cooperation with the wedge block is formed in the bottom of the third fixed block.

[0018] In a possible design, one side of the second partition plate is rotatably connected with a first screw rod, the first screw rod is threadedly connected with the sliding block in penetration, the bottom inner wall of the workbench is fixedly connected with a motor, and the output shaft of the motor is fixedly connected with the first screw rod.

[0019] In a possible design, one side of the workbench is fixedly connected with a second fixed block, a first sliding rod is slidably connected to one side of the second fixed block, one end of the first sliding rod is fixedly connected with a wedge, the other end of the first sliding rod is fixedly connected with a clamping plate used in cooperation with the sliding block, the outer wall of the first sliding rod is fixedly sleeved with a baffle, and the outer wall of the first sliding rod is sleeved with a second spring, and the two ends of the second spring are fixedly connected with the second fixed block and the opposite side of the baffle.

[0020] In a possible design, one side of the second moving block is fixedly connected with a first fixed block, a slide rod is fixedly connected to the top of the first fixed block, the slide rod penetrates through the two first moving blocks, the outer wall of the slide rod is sleeved with two first springs, and the two ends of the first spring are fixedly connected with the slide rod and the opposite side of the first moving block.

[0021] In a possible design, one side of the workbench is fixedly connected with a fourth fixed block, the fourth fixed block is fixedly connected with a same second sliding rod on the opposite side of the workbench, the second sliding rod is slidably connected with the second moving block, the outer wall of the second sliding rod is sleeved with a tension spring, and the two ends of the tension spring are fixedly connected with the fourth fixed block and the opposite side of the second moving block.

[0022] In a possible design, the outer wall of the second screw rod is sleeved with a limiting block, the limiting block is fixedly connected with the sliding block, and the outer wall of the second screw rod is threadedly connected with an adjusting nut used in cooperation with the limiting block.

[0023] It should be understood that the foregoing general description and the following detailed description are only exemplary and do not limit the present application.

[0024] In the present application, the optical fiber roll is fixedly sleeved on the rotating shaft, the optical fiber on the optical fiber roll passes through the heating sleeve, the connecting sleeve and the threading hole, the motor is started, the motor drives the first screw rod to rotate, the first screw rod can drive the sliding block to move leftwards, when the sliding block pushes the clamping plate to move leftwards, the first sliding rod can drive the wedge to move leftwards, the wedge moving leftwards can drive the pin post to move downwards, so that the limiting of the second moving block is released, the second moving block moves leftwards under the action force of the tension spring, and the cooperation of the moving cone sleeve and the two tapered clamping blocks can fix the optical fiber in the two arc-shaped holes.

[0025] In the present application, the heating wire is started to heat the optical fiber, the motor is reversed when the heating time arrives, the motor drives the first screw rod to rotate, the first screw rod drives the sliding block to move rightwards, so that the optical fiber moves, and the heated optical fiber section moves into the connecting sleeve.

[0026] In the present application, the heat dissipation fan is started to cool it, the sliding block drives the adjusting nut to move through the limiting block, the adjusting nut moving can drive the second screw rod to move, the second screw rod moving can drive the arc-shaped elastic plate to deform, the rubber pad is driven by the arc-shaped elastic plate to abut against the rotating shaft, the rotating shaft can be stopped rotating, the sliding block continues to move to straighten the optical fiber;

[0027] In the present application, the pin column is clamped into the positioning hole on the second moving block under the action force of the third spring, the second moving block is limited, the optical fiber is heated, stretched and cooled in turn, and the position of the adjusting nut can be adjusted when the stretching distance is not enough, so that the rotating shaft can be braked in advance, which is convenient to use.

[0028] In the present application, the sliding block, the adjusting nut and the wedge block can cooperate to complete the fixed-length stretching, and the stretching distance can be adjusted by adjusting the adjusting nut, so that the optical fiber can be clamped conveniently, the stretching distance can be equal, the optical fiber with stretching and the optical fiber without stretching can be avoided, and the use is convenient and the working efficiency is increased. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 A three-dimensional structure schematic view of the plastic optical fiber stretching device provided by the embodiment of the present application is provided.

[0030] Figure 2 A three-dimensional structure schematic view of the plastic optical fiber stretching device provided by the embodiment of the present application is provided.

[0031] Figure 3 A heating sleeve schematic view of the plastic optical fiber stretching device provided by the embodiment of the present application is provided.

[0032] Figure 4 A tapered clamp block schematic view of the plastic optical fiber stretching device provided by the embodiment of the present application is provided.

[0033] Figure 5 A moving cone sleeve schematic view of the plastic optical fiber stretching device provided by the embodiment of the present application is provided.

[0034] Figure 6 A brake assembly schematic view of the plastic optical fiber stretching device provided by the embodiment of the present application is provided.

[0035] Figure 7 A limiting assembly schematic view of the plastic optical fiber stretching device provided by the embodiment of the present application is provided.

[0036] Figure 8 A Figure 7 A enlarged schematic view of A part in the present application.

[0037] REFERENCE NUMERALS:

[0038] 1, workbench; 2, support plate; 3, rotating shaft; 4, optical fiber roll; 5, L-shaped support; 6, heating sleeve; 7, first partition; 8, second partition; 9, cooling fan; 10, connecting sleeve; 11, first sliding rail; 12, sliding block; 13, first screw; 14, motor; 15, moving cone sleeve; 16, second sliding rail; 17, first moving block; 18, second moving block; 19, second screw; 20, adjusting nut; 21, limiting nut; 22, heating wire; 23, third sliding rail; 24, first fixed block; 25, sliding rod; 26, first spring; 27, conical clamping block; 28, arc-shaped hole; 29, limiting block; 30, arc-shaped elastic plate; 31, rubber pad; 32, second fixed block; 33, first sliding rod; 34, baffle; 35, second spring; 36, clamping plate; 37, threading hole; 38, wedge; 39, U-shaped hole; 40, third fixed block; 41, U-shaped groove; 42, pin column; 43, third spring; 44, positioning hole; 45, fourth fixed block; 46, second sliding rod; 47, tension spring. DETAILED DESCRIPTION

[0039] The embodiments of the present application will be described below in conjunction with the accompanying drawings.

[0040] In this specification, the phrase "one embodiment" or "some embodiments" etc. means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application. The appearances of the phrases "in one embodiment", "in some embodiments", "in other embodiments", "in additional embodiments" etc. in various places in the specification are not necessarily all referring to the same embodiment, but can refer to one or more but not all embodiments, unless otherwise specifically stated. The terms "including", "containing", "having" and variations thereof mean "including but not limited to", unless otherwise specifically stated.

[0041] Embodiment 1

[0042] Reference Figures 1-4 A plastic optical fiber stretching device, comprising:

[0043] The workbench 1, one side of the inner wall of the workbench 1 is fixedly connected with the support plate 2, one side of the support plate 2 is rotatably connected with the rotating shaft 3, the outer wall of the rotating shaft 3 is fixedly sleeved with the optical fiber roll 4, and one side of the workbench 1 is provided with a threading hole 37;

[0044] The inner wall of one side of the workbench 1 is fixedly connected with an L-shaped support 5, the bottom of the L-shaped support 5 is fixedly connected with a heating jacket 6, the inner wall of the heating jacket 6 is provided with heating wires 22, the bottom inner wall of the workbench 1 is fixedly connected with a first partition plate 7 and a second partition plate 8, the opposite side of the first partition plate 7 and the second partition plate 8 is fixedly connected with the same connecting sleeve 10 in a penetrating manner, a plurality of air holes are formed in the outer wall of the connecting sleeve 10, the inner wall of one side of the workbench 1 is fixedly connected with a heat dissipation fan 9, and the heat dissipation fan 9 is located between the first partition plate 7 and the second partition plate 8;

[0045] The bottom inner wall of the workbench 1 is slidably connected with a sliding block 12 through a first sliding rail 11, the top of the sliding block 12 is fixedly connected with a moving cone sleeve 15, the inner wall of one side of the workbench 1 is slidably connected with a second sliding block 18 through a second sliding rail 16, one side of the second sliding block 18 is slidably connected with two first sliding blocks 17 through a third sliding rail 23, the same side of the two first sliding blocks 17 is fixedly connected with a conical clamping block 27 used in cooperation with the moving cone sleeve 15, and the opposite side of the two conical clamping blocks 27 is provided with an arc-shaped hole 28.

[0046] The brake assembly is arranged on one side of the supporting plate 2 and used for braking the rotating shaft 3.

[0047] The limiting assembly is arranged on the inner wall of one side of the workbench 1 and used for limiting the second sliding block 18, in the above technical solution, the optical fiber can be heated and cooled in sequence by penetrating the heating jacket 6 and the connecting sleeve 10, and the optical fiber can be stretched by moving the conical clamping block 27 driven by the moving cone sleeve 15, so that the stretching force is convenient to control and use.

[0048] With reference to Figure 1 , Figure 2 and Figure 6 , the brake assembly comprises an arc-shaped elastic plate 30 arranged on the outer side of the rotating shaft 3, a plurality of rubber pads 31 are fixedly connected to the inner side of the arc-shaped elastic plate 30, one end of the arc-shaped elastic plate 30 is rotatably connected with the supporting plate 2, the other end of the arc-shaped elastic plate 30 is fixedly connected with a second screw rod 19, the second screw rod 19 penetrates the first partition plate 7, the second partition plate 8 and one side of the workbench 1, and a limiting nut 21 is threadedly connected to the outer wall of the second screw rod 19, the limiting nut 21 abuts against one side of the workbench 1, in the above technical solution, the arc-shaped elastic plate 30 can be moved by pulling the second screw rod 19, so that the rubber pads 31 are attached to the outer wall of the rotating shaft 3, and the rotating shaft 3 can be locked by the friction force between the rubber pads 31 and the rotating shaft 3, so that the rotation of the rotating shaft 3 is convenient to control.

[0049] With reference to Figure 7 and Figure 8The limiting assembly comprises a third fixed block 40 fixedly connected to the inner wall of one side of the workbench 1, a pin column 42 penetrating through the top of the third fixed block 40, a positioning hole 44 provided in the bottom of the second moving block 18 and matched with the pin column 42, a third spring 43 sleeved on the outer wall of the pin column 42, and two ends of the third spring 43 fixedly connected with the third fixed block 40 and the opposite side of the pin column 42 respectively. A wedge block 38 is slidingly connected to one side of the workbench 1, a U-shaped hole 39 is provided in the top of the wedge block 38 and matched with the pin column 42, and a U-shaped groove 41 is provided in the bottom of the third fixed block 40 and matched with the wedge block 38. In the above scheme, the third spring 43 drives the pin column 42 to be inserted into the positioning hole 44, so as to limit and fix the second moving block 18. By pushing the wedge block 38, the pin column 42 is driven to move downward and is separated from the positioning hole 44, so that the limiting of the second moving block 18 is released, and the movement of the second moving block 18 is facilitated.

[0050] Embodiment 2

[0051] With reference to Figures 1-4 A plastic optical fiber stretching device comprises:

[0052] A workbench 1 is provided with a support plate 2 fixedly connected to the inner wall of one side of the workbench 1, a rotating shaft 3 penetratingly and rotatably connected to one side of the support plate 2, an optical fiber roll 4 fixedly sleeved on the outer wall of the rotating shaft 3, and a threading hole 37 provided in one side of the workbench 1.

[0053] An L-shaped support 5 is fixedly connected to the inner wall of one side of the workbench 1, a heating sleeve 6 is fixedly connected to the bottom of the L-shaped support 5, a heating wire 22 is arranged on the inner wall of the heating sleeve 6, a first partition plate 7 and a second partition plate 8 are fixedly connected to the bottom inner wall of the workbench 1, and a same connecting sleeve 10 penetratingly and fixedly connected to the opposite sides of the first partition plate 7 and the second partition plate 8. A plurality of air holes are provided in the outer wall of the connecting sleeve 10. A cooling fan 9 is fixedly connected to the inner wall of one side of the workbench 1 and located between the first partition plate 7 and the second partition plate 8.

[0054] A sliding block 12 is slidingly connected to the bottom inner wall of the workbench 1 through a first sliding rail 11, a moving cone sleeve 15 is fixedly connected to the top of the sliding block 12, a second moving block 18 is slidingly connected to the inner wall of one side of the workbench 1 through a second sliding rail 16, two first moving blocks 17 are slidingly connected to one side of the second moving block 18 through a third sliding rail 23, and the same side of the two first moving blocks 17 is fixedly connected with a conical clamping block 27 matched with the moving cone sleeve 15. Arc-shaped holes 28 are provided in the opposite sides of the two conical clamping blocks 27.

[0055] A brake assembly is arranged on one side of the support plate 2 and used for braking the rotating shaft 3.

[0056] The limiting assembly is arranged on the inner wall of one side of the workbench 1 and used for limiting the second moving block 18. In the technical scheme, the optical fiber can be heated and cooled in sequence by passing through the heating sleeve 6 and the connecting sleeve 10, and the optical fiber can be stretched by moving the taper sleeve 15 to drive the taper clamp block 27 to move, so that the stretching degree is controlled conveniently and the use is facilitated.

[0057] With reference to Figure 1 , Figure 2 and Figure 6 , the brake assembly comprises the arc-shaped elastic plate 30 arranged on the outer side of the rotating shaft 3, the inner side of the arc-shaped elastic plate 30 is fixedly connected with the plurality of rubber pads 31, one end of the arc-shaped elastic plate 30 is rotationally connected with the supporting plate 2, the other end of the arc-shaped elastic plate 30 is fixedly connected with the second screw rod 19, the second screw rod 19 penetrates through the first partition plate 7, the second partition plate 8 and one side of the workbench 1, the outer wall of the second screw rod 19 is threadedly connected with the limiting nut 21, the limiting nut 21 abuts against one side of the workbench 1. In the technical scheme, the arc-shaped elastic plate 30 can be moved by pulling the second screw rod 19, so that the rubber pads 31 are attached to the outer wall of the rotating shaft 3, and the rotating shaft 3 can be locked by the friction force between the rubber pads 31 and the rotating shaft 3, so that the rotation of the rotating shaft 3 is controlled conveniently.

[0058] With reference to Figure 7 and Figure 8 , the limiting assembly comprises the third fixed block 40 fixedly connected to the inner wall of one side of the workbench 1, the top of the third fixed block 40 is provided with the pin column 42 penetrating therethrough, the bottom of the second moving block 18 is provided with the positioning hole 44 used in cooperation with the pin column 42, the outer wall of the pin column 42 is sleeved with the third spring 43, the two ends of the third spring 43 are fixedly connected to the opposite sides of the third fixed block 40 and the pin column 42 respectively, one side of the workbench 1 is slidingly connected with the wedge block 38, the top of the wedge block 38 is provided with the U-shaped hole 39 used in cooperation with the pin column 42, and the bottom of the third fixed block 40 is provided with the U-shaped groove 41 used in cooperation with the wedge block 38. In the scheme, the second moving block 18 can be fixedly limited by inserting the pin column 42 into the positioning hole 44 through the third spring 43, the pin column 42 can be moved downward by pushing the wedge block 38 to be separated from the positioning hole 44, the limiting of the second moving block 18 is released, and the movement of the second moving block 18 is controlled conveniently.

[0059] With reference to Figure 1 and Figure 2 , one side of the second partition plate 8 is rotationally connected with the first screw rod 13, the first screw rod 13 is threadedly connected with the sliding block 12, the inner wall of the bottom of the workbench 1 is fixedly connected with the motor 14, and the output shaft of the motor 14 is fixedly connected with the first screw rod 13. In the technical scheme, the first screw rod 13 can be rotated by the motor 14, the sliding block 12 can be moved by the rotation of the first screw rod 13, the first moving block 17 can be driven to stretch the optical fiber, and the use is facilitated.

[0060] With reference to Figure 2 , Figure 7 and Figure 8 , one side inner wall of the workbench 1 is fixedly connected with a second fixed block 32, a first sliding rod 33 is slidably connected through one side of the second fixed block 32, one end of the first sliding rod 33 is fixedly connected with a wedge block 38, the other end of the first sliding rod 33 is fixedly connected with a clamping plate 36 used in cooperation with the sliding block 12, a baffle 34 is fixedly sleeved on the outer wall of the first sliding rod 33, a second spring 35 is sleeved on the outer wall of the first sliding rod 33, and the two ends of the second spring 35 are fixedly connected with the opposite sides of the second fixed block 32 and the baffle 34 respectively. In the above technical scheme, through the cooperation of the two tapered clamping blocks 27 and the moving tapered sleeve 15, the two tapered clamping blocks 27 can be simultaneously moved inward when they contact the moving tapered sleeve 15 to clamp the optical fiber, and when the moving tapered sleeve 15 is separated from the two tapered clamping blocks 27, the two tapered clamping blocks 27 can be driven to move away from each other through the reset of the two first springs 26, thereby facilitating the clamping of the optical fiber.

[0061] With reference to Figure 1 , Figure 2 and Figure 4 , one side of the second moving block 18 is fixedly connected with a first fixed block 24, a sliding rod 25 is fixedly connected through the top of the first fixed block 24, the sliding rod 25 penetrates through the two first moving blocks 17, two first springs 26 are sleeved on the outer wall of the sliding rod 25, and the two ends of the first spring 26 are fixedly connected with the opposite sides of the sliding rod 25 and the first moving block 17 respectively. In the above technical scheme, the wedge block 38 is driven by the sliding block 12 to release the limitation of the second moving block 18, the second moving block 18 can be reset to move close to the moving tapered sleeve 15 under the action of the tension spring 47, the two tapered clamping blocks 27 can clamp and pull out the optical fiber when the moving tapered sleeve 15 moves to the left, thereby facilitating the pulling of the optical fiber back and forth to save manpower.

[0062] With reference to Figure 1 and Figure 2 , a fourth fixed block 45 is fixedly connected to one side of the workbench 1, the same second sliding rod 46 is fixedly connected to the opposite side of the workbench 1 through the fourth fixed block 45, the second sliding rod 46 is slidably connected with the second moving block 18, and a tension spring 47 is sleeved on the outer wall of the second sliding rod 46. The two ends of the tension spring 47 are fixedly connected with the opposite sides of the fourth fixed block 45 and the second moving block 18 respectively.

[0063] With reference to Figure 1 and Figure 2The outer wall of the second screw rod 19 is sleeved with a limiting block 29, the limiting block 29 is fixedly connected with the sliding block 12, and the outer wall of the second screw rod 19 is threadedly connected with an adjusting nut 20 used in cooperation with the limiting block 29. In the above technical scheme, the sliding block 12 is moved to the left, the limiting block 29 is driven to move through the adjusting nut 20, the brake of the rotating shaft 3 is facilitated, the optical fiber is facilitated to be stretched, and the use is facilitated.

[0064] However, as known by those skilled in the art, the working principles and wiring methods of the heat dissipation fan 9, the motor 14 and the heating wire 22 are common, which belong to conventional means or common general knowledge, and will not be described here again. Those skilled in the art can make any selection according to their needs or convenience.

[0065] The working principle and use process of the technical scheme are as follows: when in use, the device is powered on, the optical fiber roll 4 is fixedly sleeved on the rotating shaft 3, the optical fiber on the optical fiber roll 4 is passed through the heating sleeve 6, the connecting sleeve 10 and the threading hole 37, the motor 14 is started, the motor 14 drives the first screw rod 13 to rotate, the first screw rod 13 can drive the sliding block 12 to move to the left, when the sliding block 12 pushes the clamping plate 36 to move to the left, the first sliding rod 33 can drive the wedge block 38 to move to the left, the wedge block 38 moves to the left, the pin column 42 moves downward, so that the limiting of the second moving block 18 is released, the second moving block 18 moves to the left under the action force of the tension spring 47, and the optical fiber is fixed in the two arc-shaped holes 28 through the cooperation of the moving cone sleeve 15 and the two tapered clamping blocks 27. The heating wire 22 is started, the optical fiber is heated, the heating time is up, the motor 14 is reversed, the motor 14 drives the first screw rod 13 to rotate, the first screw rod 13 drives the sliding block 12 to move to the right, so that the optical fiber moves, and the heated optical fiber segment moves to the connecting sleeve 10, the heat dissipation fan 9 is started to cool it, the adjusting nut 20 is driven to move through the limiting block 29 of the sliding block 12, the adjusting nut 20 moves to drive the second screw rod 19 to move, the second screw rod 19 moves to drive the arc-shaped elastic plate 30 to deform, the rubber pad 31 is driven to abut against the rotating shaft 3 through the arc-shaped elastic plate 30, the rotating shaft 3 can be stopped, the sliding block 12 continues to move to straighten the optical fiber, the pin column 42 is clamped into the positioning hole 44 on the second moving block 18 under the action force of the third spring 43, the second moving block 18 is limited, the optical fiber is heated, stretched and cooled in turn, when the stretching distance is not enough, the position of the adjusting nut 20 is adjusted, the rotating shaft 3 can be braked in advance, and the use is facilitated.

[0066] The above merely illustrates the specific embodiments of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application; the embodiments of the present application and the features in the embodiments can be combined with each other without conflict. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A plastic optical fiber stretching apparatus characterized by comprising: Include: Workbench (1), one side of the workbench (1) is fixedly connected with a support plate (2), one side of the support plate (2) is rotatably connected with a rotating shaft (3), the outer wall of the rotating shaft (3) is fixedly connected with an optical fiber roll (4), and one side of the workbench (1) is provided with a threading hole (37); The inner wall of one side of the workbench (1) is fixedly connected with an L-shaped support (5), the bottom of the L-shaped support (5) is fixedly connected with a heating sleeve (6), the inner wall of the heating sleeve (6) is provided with a heating wire (22), the bottom inner wall of the workbench (1) is fixedly connected with a first partition plate (7) and a second partition plate (8), the opposite side of the first partition plate (7) and the second partition plate (8) is fixedly connected with the same connecting sleeve (10), the outer wall of the connecting sleeve (10) is provided with a plurality of ventilation holes, and the inner wall of one side of the workbench (1) is fixedly connected with a cooling fan (9). The cooling fan (9) is located between the first partition plate (7) and the second partition plate (8); The bottom inner wall of the workbench (1) is slidably connected with a sliding block (12) through a first sliding rail (11), the top of the sliding block (12) is fixedly connected with a moving cone sleeve (15), one side of the inner wall of the workbench (1) is slidably connected with a second moving block (18) through a second sliding rail (16), one side of the second moving block (18) is slidably connected with two first moving blocks (17) through a third sliding rail (23), the same side of the two first moving blocks (17) is fixedly connected with a tapered clamping block (27) used in cooperation with the moving cone sleeve (15), and the opposite sides of the two tapered clamping blocks (27) are both provided with arc-shaped holes (28); The brake assembly is arranged on one side of the support plate (2) and used for braking the rotating shaft (3); The limiting assembly is arranged on the inner wall of one side of the workbench (1) and used for limiting the second moving block (18).

2. A plastic optical fiber stretching apparatus according to claim 1, wherein The brake assembly comprises an arc-shaped elastic plate (30) arranged on the outer side of the rotating shaft (3), a plurality of rubber pads (31) fixedly connected to the inner side of the arc-shaped elastic plate (30), one end of the arc-shaped elastic plate (30) rotatably connected with the support plate (2), the other end of the arc-shaped elastic plate (30) fixedly connected with a second screw rod (19), the second screw rod (19) penetrating the first partition plate (7) and the second partition plate (8) and one side of the workbench (1), the outer wall of the second screw rod (19) being threadedly connected with a limiting nut (21), and the limiting nut (21) abutting against one side of the workbench (1).

3. The plastic optical fiber stretching apparatus of claim 1, wherein, The limiting assembly includes a third fixed block (40) fixedly connected to the inner wall of one side of the workbench (1), a pin column (42) penetrating through the top of the third fixed block (40), a positioning hole (44) provided in the bottom of the second moving block (18) and matched with the pin column (42), a third spring (43) sleeved on the outer wall of the pin column (42), and the two ends of the third spring (43) are fixedly connected to the third fixed block (40) and the opposite side of the pin column (42) respectively.

4. A plastic optical fiber stretching apparatus according to any one of claims 1 to 3, wherein The second partition plate (8) is rotatably connected with a first screw rod (13), the first screw rod (13) is threadedly connected with the sliding block (12), and the bottom inner wall of the workbench (1) is fixedly connected with a motor (14), and the output shaft of the motor (14) is fixedly connected with the first screw rod (13).

5. The plastic optical fiber stretching apparatus of claim 1, wherein, The inner wall of one side of the workbench (1) is fixedly connected with a second fixed block (32), a first sliding rod (33) penetratingly and slidably connected with one side of the second fixed block (32), one end of the first sliding rod (33) is fixedly connected with the wedge block (38), the other end of the first sliding rod (33) is fixedly connected with a clamping plate (36) matched with the sliding block (12), the outer wall of the first sliding rod (33) is fixedly sleeved with a baffle (34), the outer wall of the first sliding rod (33) is sleeved with a second spring (35), and the two ends of the second spring (35) are fixedly connected to the opposite sides of the second fixed block (32) and the baffle (34) respectively.

6. The plastic optical fiber stretching apparatus of claim 1, wherein, The second moving block (18) is fixedly connected with a first fixed block (24), the top of the first fixed block (24) is penetratingly and fixedly connected with a sliding rod (25), the sliding rod (25) penetrates through two first moving blocks (17), the outer wall of the sliding rod (25) is sleeved with two first springs (26), and the two ends of the first spring (26) are fixedly connected to the opposite sides of the sliding rod (25) and the first moving block (17) respectively.

7. The plastic optical fiber stretching apparatus of claim 1, wherein, One side of the workbench (1) is fixedly connected with the fourth fixed block (45), the fourth fixed block (45) and the opposite side of the workbench (1) are fixedly connected with the same second sliding rod (46), the second sliding rod (46) is in sliding connection with the second moving block (18), the outer wall of the second sliding rod (46) is sleeved with the tension spring (47), and the two ends of the tension spring (47) are fixedly connected with the opposite sides of the fourth fixed block (45) and the second moving block (18) respectively.

8. The plastic optical fiber stretching apparatus of claim 2, wherein, The outer wall of the second screw rod (19) is sleeved with a limiting block (29), the limiting block (29) is fixedly connected with the sliding block (12), and the outer wall of the second screw rod (19) is threadedly connected with an adjusting nut (20) used in cooperation with the limiting block (29).

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