Optical fiber preparation method and optical fiber

Abstract

The invention relates to the technical field of optical fiber preparation, in particular to an optical fiber preparation method and an optical fiber, and the method comprises the following steps: 1, preparing a plurality of raw materials; step 2, treating the prepared various raw materials; step 3, processing the treated raw materials to complete the preparation of the preform; 4, performing optical fiber drawing treatment on the preform; step 5, adding the plurality of pulled-out filamentous optical fibers and plastic liquid into a filamentous film coating device to complete film coating treatment on the optical fibers; step 6, testing and correcting the optical fiber after film coating; and step 7, slitting and connecting the corrected optical fiber to complete preparation of the optical fiber, and the method can rapidly coat the optical fiber with the plastic liquid to further ensure that the optical fiber is not damaged.

Description

Technical Field

[0001] This invention relates to the field of optical fiber fabrication technology, and more specifically to an optical fiber fabrication method and an optical fiber. Background Technology

[0002] Optical fiber is a tool for transmitting light. It is short for optical fiber, a type of fiber made of glass or plastic. It is used as a light transmission tool, and its transmission principle is "total internal reflection." The fine optical fiber is encapsulated in a plastic sheath, allowing it to bend without breaking. Typically, a transmitting device at one end of the fiber uses a light-emitting diode or a laser beam to transmit light pulses to the fiber, while a receiving device at the other end uses a photosensitive element to detect the pulses. In daily life, because the transmission loss of light in optical fibers is much lower than the transmission loss of electricity in wires, optical fibers are used for long-distance information transmission. However, current technology cannot quickly coat optical fibers with liquid plastic. Summary of the Invention

[0003] The purpose of this invention is to provide a method for preparing optical fibers and an optical fiber in general. This method can quickly coat the optical fiber with liquid plastic, further ensuring that the optical fiber is not damaged.

[0004] The objective of this invention is achieved through the following technical solution:

[0005] A method for fabricating optical fibers, the method comprising the following steps:

[0006] Step 1: Prepare various raw materials;

[0007] Step 2: Process the prepared raw materials;

[0008] Step 3: Process the raw materials after processing to complete the preparation of the preform;

[0009] Step 4: Perform fiber drawing on the preform;

[0010] Step 5: Add the pulled-out multiple filamentous optical fibers and plastic liquid into the filament coating device to complete the coating process of the optical fibers.

[0011] Step 6: Test and correct the coated optical fiber;

[0012] Step 7: Split and connect the corrected optical fiber to complete the optical fiber fabrication.

[0013] The optical fiber fabrication method, wherein the method of using the filamentous coating device includes the following steps:

[0014] S1. Place multiple filamentous optical fibers between multiple coating rollers I and multiple coating rollers II respectively;

[0015] S2. Pour the liquid plastic onto multiple coating rollers I and multiple coating rollers II;

[0016] S3. Use a collecting roller to collect multiple filamentous optical fibers, ensuring that the multiple filamentous optical fibers pass between multiple coating rollers I and multiple coating rollers II;

[0017] S4. Complete the coating process for multiple optical fibers.

[0018] Preferably, the raw materials in step one include quartz sand, alumina, and calcium oxide.

[0019] Preferably, the second step involves crushing and sieving the raw materials.

[0020] Preferably, the process of preparing the preform in step three includes sol injection, gel solidification, and sintering.

[0021] Preferably, in the optical fiber fabrication method, the specific process of preform fabrication includes the following steps:

[0022] A: Inject the pre-prepared sol into the mold;

[0023] B: Solidify the gel through heat treatment;

[0024] C: The gel is sintered to form a rigid preform.

[0025] Preferably, in step four, the fiber drawing process requires placing the preform into a drawing furnace first.

[0026] Preferably, the optical fiber drawing is performed using an optical fiber drawing machine.

[0027] Preferably, the optical fiber prepared by the optical fiber preparation method has a plastic film covering its outer surface.

[0028] Preferably, the filamentous coating device includes a storage cavity and four limiting slides fixedly connected to the storage cavity. The four limiting slides are divided into front and rear groups. Each of the two limiting slides in each group is slidably connected to a bearing seat I. Two telescopic rods are fixedly connected to the storage cavity. The two telescopic rods are respectively fixedly connected to two bearing seats I. Multiple coating rollers I are rotatably connected between the two bearing seats I. Two bearing seats II are fixedly connected to the storage cavity. Multiple coating rollers II are rotatably connected between the two bearing seats II. Attached Figure Description

[0029] The present invention will now be described in further detail with reference to the accompanying drawings and specific implementation methods.

[0030] Figure 1 This is a schematic diagram of a fiber fabrication method;

[0031] Figure 2 This is a flowchart illustrating the usage of the filament coating device;

[0032] Figure 3 This is a schematic diagram of the overall structure of the filamentous film coating device of the present invention;

[0033] Figure 4 This is a partial structural schematic diagram of the filamentous coating device of the present invention;

[0034] Figure 5 This is a schematic diagram of an embodiment in which liquid plastic is coated onto an optical fiber;

[0035] Figure 6 This is a partial structural schematic diagram of an embodiment in which liquid plastic is coated onto an optical fiber;

[0036] Figure 7 This is a schematic diagram of a specific structure of an embodiment in which liquid plastic is coated onto an optical fiber;

[0037] Figure 8 This is a schematic diagram of an embodiment of stirring a liquid plastic.

[0038] Figure 9 This is a schematic diagram of a structural embodiment for realizing the transfer of plastic liquid;

[0039] Figure 10 This is a schematic diagram of an embodiment for pouring liquid plastic onto an optical fiber. Detailed Implementation

[0040] The following is in conjunction with the appendix Figure 1-10 The present invention will be described in further detail below.

[0041] The following is in conjunction with the appendix Figure 1 Detailed description: A method for fabricating optical fibers, comprising the following steps:

[0042] Step 1: Prepare various raw materials;

[0043] Step 2: Process the prepared raw materials;

[0044] Step 3: Process the raw materials after processing to complete the preparation of the preform;

[0045] Step 4: Perform fiber drawing on the preform;

[0046] Step 5: Add the pulled-out multiple filamentous optical fibers and plastic liquid into the filament coating device to complete the coating process of the optical fibers.

[0047] Step 6: Test and correct the coated optical fiber;

[0048] Step 7: Split and connect the corrected optical fiber to complete the optical fiber fabrication.

[0049] The following is in conjunction with the appendix Figure 2 The optical fiber fabrication method, as described above, includes the following steps in its use of the filamentous coating device:

[0050] S1. Place multiple filamentous optical fibers between multiple coating rollers I105 and multiple coating rollers II107 respectively;

[0051] S2. Pour the liquid plastic onto multiple coating rollers I105 and multiple coating rollers II107;

[0052] S3. Use a collection roller to collect multiple filamentous optical fibers, ensuring that the multiple filamentous optical fibers pass between multiple coating rollers I105 and multiple coating rollers II107.

[0053] S4. Complete the coating process for multiple optical fibers.

[0054] According to the instruction manual Figure 1 In detail, the raw materials in step one include quartz sand, alumina and calcium oxide.

[0055] According to the instruction manual Figure 1 In detail, the second step involves crushing and sieving the raw materials.

[0056] Furthermore, this approach ensures consistency in the quality and particle size of various raw materials, and facilitates subsequent processing of these materials.

[0057] According to the instruction manual Figure 1 In detail, the process of preparing the preform in step three includes sol injection, gel solidification, and sintering.

[0058] Furthermore, the mixer ensures complete mixing of the solvent and qualified raw materials.

[0059] According to the instruction manual Figure 1 The optical fiber fabrication method, as described above, includes the following steps in the preform fabrication process:

[0060] A: Inject the pre-prepared sol into the mold;

[0061] B: Solidify the gel through heat treatment;

[0062] C: The gel is sintered to form a rigid preform.

[0063] According to the instruction manual Figure 1 In detail, the fiber drawing process in step four requires placing the preform into the drawing furnace first.

[0064] Furthermore, the preform is softened to facilitate the later pulling out of the optical fiber.

[0065] According to the instruction manual Figure 1 In detail, the optical fiber drawing process requires the use of an optical fiber drawing machine.

[0066] According to the instruction manual Figure 1 In detail, the optical fiber prepared by the optical fiber preparation method described above has an outer surface coated with a plastic film.

[0067] According to the instruction manual Figure 3-10 The detailed description is a detailed description of the filamentous coating device;

[0068] The filamentous coating device includes a storage cavity 101 and four limiting slide columns 102 fixedly connected to the storage cavity 101 by welding. The four limiting slide columns 102 are divided into front and rear groups. Each of the two limiting slide columns 102 in each group is slidably connected to a bearing seat I103 through multiple round holes. Two telescopic rods 104 are fixedly connected to the storage cavity 101 by flange plates. The two telescopic rods 104 are respectively fixedly connected to the two bearing seats I103 by flange plates. Multiple coating rollers I105 are rotatably connected between the two bearing seats I103 by a shaft. Two bearing seats II106 are fixedly connected to the storage cavity 101 by welding. Multiple coating rollers II107 are rotatably connected between the two bearing seats II106 by a shaft.

[0069] Furthermore, the storage cavity 101 provides storage space for the plastic liquid, and it also has a heating function. Two sets of limiting slide pillars 102 provide sliding space for the two bearing seats I103 and limit their movement, allowing them to slide only up and down. The two bearing seats I103 provide rotation space for multiple coating rollers I105. Two telescopic rods 104 can move the two bearing seats I103 up and down, thereby changing the position of the multiple coating rollers. The height of I105 is such that multiple coating rollers I105 are provided with multiple grooves, and the positions of the multiple grooves correspond one-to-one. The corresponding grooves can provide space for multiple filamentous optical fibers. The two bearing seats II106 can provide space for the multiple coating rollers II107 to rotate. The multiple coating rollers II107 are the same as the multiple coating rollers I105, which can allow multiple optical fibers to be stored in the multiple grooves on the multiple coating rollers I105 and the multiple coating rollers II107 respectively, realizing the limiting treatment of multiple optical fibers.

[0070] Activate the two telescopic rods 104, which drive multiple coating rollers I105 to move downwards via the two bearing seats I103. At this time, gaps will be left between the multiple coating rollers I105 and multiple coating rollers II107. Multiple optical fibers are stored in multiple grooves on the multiple coating rollers I105 and multiple coating rollers II107 respectively. Then, plastic liquid is poured onto the multiple coating rollers I105 and multiple coating rollers II107. At this time, the plastic liquid will coat the multiple optical fibers, completing the uniform coating of the plastic liquid on the multiple optical fibers. The excess plastic liquid will fall into the storage cavity 101, realizing the recycling of the plastic liquid.

[0071] A fixed support frame plate 201 is welded to the storage cavity 101. A storage vertical barrel 202 is welded to the fixed support frame plate 201. Multiple discharge horizontal pipes 203 are uniformly welded to the storage vertical barrel 202 and connected to each other. Discharge square openings 204 are welded to the bottom of each of the multiple discharge horizontal pipes 203 and connected to each other.

[0072] Furthermore, the fixed support frame 201 provides a fixed space for the storage vertical tank 202, which provides storage space for the liquid plastic. The liquid plastic can be added into the storage vertical tank 202, and the liquid plastic entering the storage vertical tank 202 will enter multiple discharge horizontal pipes 203, and finally be discharged through multiple discharge square ports 204. Finally, the liquid plastic is poured onto multiple coating rollers II107, and the liquid plastic falling onto the multiple coating rollers II107 will fall onto multiple coating rollers I105, thereby achieving the coating of the liquid plastic onto multiple optical fibers. The storage vertical tank 202 has a heating function, which can be used to heat the liquid plastic in the storage vertical tank 202 to prevent the liquid plastic from solidifying in the storage vertical tank 202 and causing waste of resources.

[0073] Below the storage cavity 101, two horizontal drain pipes 301 are fixedly connected by welding and are in communication. Each of the two horizontal drain pipes 301 is fixedly connected by welding to a water pump 302. Both water pumps 302 are fixedly connected to the storage cavity 101 by flange plates. Each of the two water pumps 302 is fixedly connected by welding to a vertical drain pipe 303. Both vertical drain pipes 303 are located above the vertical storage tank 202. Each of the two horizontal drain pipes 301 is fixedly connected by welding to a discharge pipe 304 with a valve and is in communication.

[0074] Furthermore, the liquid plastic in the storage cavity 101 will enter the two horizontal drain pipes 301. After starting the two water pumps 302, the liquid plastic in the two horizontal drain pipes 301 can be drawn out and enter the two vertical drain pipes 303, thereby draining the liquid plastic into the intermediate storage tank 202, thus replenishing the intermediate storage tank 202 and ensuring that the liquid plastic can fall onto the multiple coating rollers II 107. When it is necessary to drain the liquid plastic in the storage cavity 101, simply open the valves on the two drain pipes 304, and the liquid plastic can be drained through the two drain pipes 304, ensuring that there is no residual liquid plastic in the storage cavity 101.

[0075] A geared motor 401 is fixedly connected to the storage cavity 101 via a flange plate. A stirring horizontal shaft 402 is fixedly connected to the output shaft of the geared motor 401 via a keyway and a snap ring. The stirring horizontal shaft 402 is rotatably connected to the storage cavity 101 via a round hole and is sealed. Multiple stirring horizontal plates 403 are fixedly connected to the stirring horizontal shaft 402 by welding.

[0076] Furthermore, after starting the geared motor 401, the stirring horizontal shaft 402 will be driven to rotate. The rotating stirring horizontal shaft 402 will drive multiple stirring horizontal plates 403 to rotate. When the multiple stirring horizontal plates 403 rotate, the plastic liquid in the storage cavity 101 can be stirred. The storage cavity 101 has a heating function, so the plastic liquid in the storage cavity 101 can be heated and stirred at the same time, ensuring that the plastic liquid in the storage cavity 101 will not solidify and can also ensure the uniformity of the plastic liquid, further enhancing the coating effect on the optical fiber.

Claims

1. A method for fabricating optical fibers, characterized in that, The method includes the following steps: Step 1: Prepare various raw materials; Step 2: Process the prepared raw materials; Step 3: Process the raw materials after processing to complete the preparation of the preform; Step 4: Perform fiber drawing on the preform; Step 5: Add the pulled-out multiple filamentous optical fibers and plastic liquid into the filament coating device to complete the coating process of the optical fibers. Step 6: Test and correct the coated optical fiber; Step 7: Split and connect the corrected optical fiber to complete the optical fiber fabrication.

2. The optical fiber fabrication method according to claim 1, characterized in that, The method of using the filamentous coating device includes the following steps: S1. Place multiple filamentous optical fibers between multiple coating rollers I (105) and multiple coating rollers II (107); S2. Pour the liquid plastic onto multiple coating rollers I (105) and multiple coating rollers II (107); S3. Collect multiple filamentous optical fibers using a collecting roller to ensure that the multiple filamentous optical fibers pass between multiple coating rollers I (105) and multiple coating rollers II (107); S4. Complete the coating process for multiple optical fibers.

3. The optical fiber fabrication method according to claim 1, characterized in that: The raw materials used in step one include quartz sand, alumina, and calcium oxide.

4. The optical fiber fabrication method according to claim 1, characterized in that: The second step involves crushing and sieving the raw materials.

5. The optical fiber fabrication method according to claim 1, characterized in that: The process of preparing the preform in step three includes sol injection, gel solidification, and sintering.

6. The optical fiber fabrication method according to claim 1, characterized in that: The specific process for preparing the preform includes the following steps: A: Inject the pre-prepared sol into the mold; B: Solidify the gel through heat treatment; C: The gel is sintered to form a rigid preform.

7. The optical fiber fabrication method according to claim 1, characterized in that: In step four, the fiber drawing process requires placing the preform into the drawing furnace first.

8. The optical fiber fabrication method according to claim 7, characterized in that: The fiber drawing process requires the use of a fiber drawing machine.

9. The optical fiber prepared by the optical fiber preparation method according to claim 1, characterized in that: The outer surface of the optical fiber is covered with a plastic film.

10. The optical fiber fabrication method according to claim 2, characterized in that: The filamentous coating device includes a storage cavity (101) and four limiting slides (102) fixedly connected to the storage cavity (101). The four limiting slides (102) are divided into front and rear groups. Each of the two limiting slides (102) in each group is slidably connected to a bearing seat I (103). Two telescopic rods (104) are fixedly connected to the storage cavity (101). The two telescopic rods (104) are fixedly connected to the two bearing seats I (103) respectively. Multiple coating rollers I (105) are rotatably connected between the two bearing seats I (103). Two bearing seats II (106) are fixedly connected to the storage cavity (101). Multiple coating rollers II (107) are rotatably connected between the two bearing seats II (106).

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