WO2022252328A1 - 光纤涂覆设备及涂覆方法 - Google Patents

光纤涂覆设备及涂覆方法 Download PDF

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Publication number
WO2022252328A1
WO2022252328A1 PCT/CN2021/103988 CN2021103988W WO2022252328A1 WO 2022252328 A1 WO2022252328 A1 WO 2022252328A1 CN 2021103988 W CN2021103988 W CN 2021103988W WO 2022252328 A1 WO2022252328 A1 WO 2022252328A1
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Prior art keywords
optical fiber
light
spiral tube
liquid storage
curing
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PCT/CN2021/103988
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English (en)
French (fr)
Inventor
柳林
王振益
冷从
李华成
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南京驭逡通信科技有限公司
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Publication of WO2022252328A1 publication Critical patent/WO2022252328A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables

Definitions

  • the invention belongs to the field of communication optical fiber processing, in particular to optical fiber coating equipment and a coating method.
  • Optical fiber is a light-guiding element that transmits optical signals from the signal source to the receiving end. Unlike traditional electrical signals, the method of preventing electrical signal leakage can be guaranteed by air or by wrapping an insulating layer with a high resistance value on the side of the cable. Arrive at the predetermined position along the conductive wire of the cable, but the medium transmitted by the optical fiber is an optical signal, because light can also propagate in the air, so it is necessary to coat a layer of light-blocking material on the outside of the optical fiber when producing the optical fiber to avoid optical signal leakage and at the same time Strengthen the surface strength of optical fiber.
  • the existing optical fiber coating equipment is to straighten the produced optical fiber on the optical fiber production line and pass through the liquid storage tank to coat the optical fiber surface coating, and then transport the optical fiber to the curing equipment to realize the coating curing, but the actual transportation and use of the optical fiber is
  • the optical fiber is crimped, there is a problem that the continuity of the coating decreases when the optical fiber is crimped, leading to breakage or even falling off, which in turn leads to weakening or even loss of optical signals.
  • Optical fiber coating equipment is used to coat light-shielding materials on the surface of optical fibers.
  • the optical fiber coating equipment includes: a supporting device.
  • the discharge device is installed at one end of the support device.
  • the optical fiber bending device is connected with the support device and is arranged at one end of the output device for bending the optical fiber.
  • the liquid storage device communicates with the optical fiber bending device, and is used for outputting the light insulating material to the optical fiber bending device, and coating the light insulating material when the optical fiber is bent.
  • the curing device communicates with the optical fiber bending device and is used for curing the light-shielding material.
  • the receiving device communicates with the curing device and is used for receiving the optical fiber that has passed through the optical fiber bending device and the curing device in sequence.
  • the optical fiber bending device includes:
  • the spiral tube communicates with the discharge device, the liquid storage device and the curing device.
  • the liquid storage device outputs the light-insulating material into the spiral tube and keeps the light-proof material in the spiral tube within a predetermined liquid level range.
  • the casing is sheathed outside the spiral tube.
  • the spiral tube includes:
  • the helical body is a helically extended pipe
  • the feed inlet is arranged on the top side of the screw body and extends a predetermined distance toward the discharge device.
  • the liquid inlet is arranged above the end of the feed inlet close to the screw body and communicates with the liquid storage device.
  • the liquid storage device transports the light-insulating material into the spiral tube, and keeps the liquid level of the light-insulating material in the spiral tube at the liquid inlet.
  • the optical fiber and the spiral body can be contacted first.
  • the light-proof material is in contact, and the light-proof material is lubricated between the optical fiber and the spiral body to reduce friction and strain.
  • the spiral tube also includes:
  • the discharge port is arranged on one side of the bottom end of the screw body and extends a predetermined distance toward the curing device.
  • the extension direction of the discharge port forms a predetermined angle with the ground, and the light-insulating material in the spiral tube flows back from the liquid outlet to the liquid storage device.
  • the liquid outlet connected to the liquid device can make the light-shielding material on the surface of the optical fiber and the light-shielding material in the spiral tube flow back into the liquid storage device, preventing the light-shielding material from flowing directly into the curing device along with the optical fiber, and solving the problem of light-shielding material resources. waste problem.
  • the cross-sectional inner wall of the spiral tube is polygonal.
  • the cross-sectional inner wall of the spiral tube is any one of triangular, rectangular or prismatic, and by designing the cross-sectional inner wall of the spiral tube as a polygon, it can ensure that the optical fiber and the spiral tube are in line contact, reducing The friction force is improved, and the contact area between the optical fiber and the light-proof material is increased.
  • the winding power source is connected with the supporting device.
  • the receiving tray is connected with the winding power source.
  • the receiving shell is sleeved on the winding power source and the receiving tray, and connected with the supporting device.
  • the positioning component is installed at one end of the material receiving shell, and the optical fiber enters into the material receiving shell through the positioning component.
  • the central axis of the positioning assembly passes through the section of the discharge end of the spiral tube.
  • the distance between the central axis of the positioning assembly and the inner wall of the discharge end of the spiral tube is greater than the radius of the optical fiber, the central axis passes through the section of the discharge end of the spiral tube, and the distance between the central axis and the inner wall of the discharge end of the spiral tube is greater than the radius of the optical fiber.
  • the positioning component whose distance is greater than the radius of the optical fiber can ensure that the light insulating material on the surface of the optical fiber is not damaged during the stage when the optical fiber leaves the spiral tube and the receiving shell, and the light insulating material is not yet cured.
  • the positioning component is a linear bearing fixedly connected with the receiving shell.
  • the coating method based on optical fiber coating equipment comprises:
  • the liquid storage device outputs the light-shielding material to the fiber bending device, and keeps the light-shielding material in the fiber bending device within a predetermined liquid level range.
  • the receiving device pulls the optical fiber through the optical fiber bending device and curing device in sequence.
  • the optical fiber is coated with a light-shielding material while being bent in the fiber bending device.
  • the optical fiber cures the light-shielding material in the curing device.
  • Figure 1 is a schematic diagram of the assembly of the present invention.
  • the reference numerals shown in Fig. 1 to Fig. 4 are: supporting device 1, discharging device 2, optical fiber bending device 3, liquid storage device 4, curing device 5, receiving device 6, spiral tube 31, spiral body 311, feeding Port 312 , liquid inlet 313 , material outlet 314 , liquid outlet 315 , receiving case 61 , positioning assembly 62 .
  • the invention provides an optical fiber coating device and a coating method for coating a light-shielding material on the surface of an optical fiber.
  • the optical fiber coating equipment includes: a supporting device 1 , a material discharging device 2 , an optical fiber bending device 3 , a liquid storage device 4 , a curing device 5 , and a material receiving device 6 .
  • the supporting component is fixedly connected with the ground, and an electric pipeline accommodation space is also arranged in the supporting component.
  • the take-up reel connected to the source starts the discharge power source before the receiving device 6 receives the material, so as to avoid excessive pulling force on the optical fiber.
  • An optical fiber bending device 3 arranged at one end of the output device 2 and connected to the support device 1 is used for bending the optical fiber.
  • the liquid storage device 4 communicated with the optical fiber bending device 3, the liquid storage device 4 is used to output the light insulating material to the optical fiber bending device 3, and coat the light insulating material when the optical fiber is bent.
  • a curing device 5 communicated with the optical fiber bending device 3, the curing device 5 may be an ultraviolet curing machine for fixing light-shielding materials.
  • the receiving device 6 pulls the optical fiber from the discharging device 2 through the optical fiber bending device 3 and the curing device 5 to the receiving device 6, and the optical fiber is coated with light-shielding material while being bent in the optical fiber bending device 3 , the optical fiber bending assembly and the liquid storage device 4 are coated with light insulating material when the optical fiber is bent, which can increase the continuity of the light insulating material on the surface of the optical fiber, so that the optical fiber can be bent in time during transportation and use, and can also avoid the decrease in the continuity of the light insulating material It solves the problem that the light-shielding material breaks or even falls off due to the decrease in continuity.
  • the optical fiber bending device 3 includes: a spiral tube 31 and a housing.
  • the spiral tube 31 communicated with the discharge device 2, the liquid storage device 4 and the curing device 5, the liquid storage device 4 outputs the light-proof material into the spiral tube 31, and keeps the light-proof material in the spiral tube 31 at a predetermined liquid level scope.
  • the shell set outside the spiral tube 31 is used to protect the spiral tube 31 and play a role of light isolation.
  • An observation window can also be set on the side wall of the shell. It should be noted that the observation window needs to have a closed door, and the use of the observation window It is necessary to cut off the sunlight to prevent ultraviolet rays from irradiating the light-proof material in the spiral tube 31 to cause the light-proof material to solidify.
  • the optical fiber enters the helical tube 31 . If the optical fiber is directly displaced in the helical tube 31 , there will be friction between the optical fiber and the inner wall of the helical tube, which will cause the problem of straining the outer wall of the optical fiber and the inner wall of the helical tube 31 .
  • the spiral tube 31 includes: a spiral body 311 , a feed inlet 312 and a liquid inlet 313 .
  • the helical body 311 is a helically extending pipe
  • the feeding port 312 is arranged on the top side of the screw body 311 , and the feeding port 312 extends a predetermined distance toward the discharging device 2 .
  • the liquid storage device 4 transports the light-insulating material into the spiral tube 31 and keeps the liquid level of the light-insulating material in the spiral tube 31 at the liquid inlet 313 .
  • the optical fiber By arranging the liquid inlet 313 on the feed port 312, the optical fiber can be in contact with the light-proof material before contacting the screw body 311, and the light-proof material is lubricated between the fiber and the screw body 311 to reduce friction and strain.
  • the light-shielding material directly flows into the curing device 5 along with the optical fiber, there will be a waste of light-shielding material resources.
  • the spiral tube 31 further includes: a material outlet 314 and a liquid outlet 315 .
  • the discharge port 314 is arranged on one side of the bottom end of the screw body 311 , and the discharge port 314 extends a predetermined distance toward the curing device 5 .
  • the extending direction of the material outlet 314 forms a predetermined angle with the ground, and the light-proof material in the spiral tube 31 flows back into the liquid storage device 4 from the liquid outlet 315 .
  • the light-insulating material on the surface of the optical fiber and the light-insulating material in the spiral tube 31 can be returned to the storage tank.
  • the light insulating material is prevented from flowing directly into the curing device 5 along with the optical fiber, and the problem of waste of light insulating material resources is solved.
  • Keeping the light-shielding material in a flowing state in the spiral tube 31 can also prevent the light-shielding material from accumulating, aging and agglomerating.
  • the existing spiral tube 31 is mainly a glass tube with a circular cross-section for chemical tests, and the optical fiber with a circular outer wall in the cross-section abuts in the spiral tube 31 with a circular inner wall in the cross-section, causing the optical fiber
  • the friction force with the spiral tube 31 is too large, and the problem of insufficient contact between the optical fiber and the light-proof material.
  • the cross-sectional inner wall of the spiral tube 31 is polygonal.
  • the cross-sectional inner wall of the spiral tube 31 is any one of triangular, rectangular or prismatic.
  • the cross-sectional inner wall of the spiral tube 31 By designing the cross-sectional inner wall of the spiral tube 31 to be polygonal, it can ensure that the optical fiber and the spiral tube 31 are in contact with each other, reducing friction and increasing the contact area between the optical fiber and the light-shielding material.
  • the material receiving device 6 includes: a rewinding power source, a material receiving tray, a material receiving shell 61 and a positioning assembly 62 .
  • the winding power source connected with the supporting device 1.
  • the receiving tray connected with the winding power source.
  • the material receiving shell 61 is sheathed on the outside of the rewinding power source and the material receiving tray, and connected with the supporting device 1 .
  • the positioning component 62 installed at one end of the receiving case 61 , the optical fiber enters into the receiving case 61 through the positioning component 62 .
  • the central axis of the positioning assembly 62 passes through the section of the discharge end of the spiral tube 31 .
  • the distance between the central axis of the positioning assembly 62 and the inner wall of the discharge end of the spiral tube 31 is greater than the radius of the optical fiber.
  • the positioning component 62 is a linear bearing fixedly connected with the receiving shell 61 .
  • the optical fiber coating method based on the above embodiment includes: S1.
  • the liquid storage device 4 outputs the light-shielding material to the fiber bending device 3, and keeps the light-shielding material in the fiber bending device 3 within a predetermined liquid level range.
  • the receiving device 6 pulls the optical fiber through the optical fiber bending device 3 and the curing device 5 in sequence.
  • the optical fiber is coated with a light-shielding material while being bent in the optical fiber bending device 3 .
  • the optical fiber cures the light-shielding material in the curing device 5 .
  • the light-shielding material in the optical fiber bending device 3 keeps flowing and is in a state of dynamic balance, so as to avoid stagnation, aging and agglomeration of the light-shielding material.

Abstract

一种光纤涂覆设备及涂覆方法，属于通信光纤加工领域。光纤涂覆设备包括：支撑装置(1)、出料装置(2)、光纤弯曲装置(3)、储液装置(4)、固化装置(5)和收料装置(6)，出料装置(2)安装在支撑装置(1)一端，光纤弯曲装置(3)与支撑装置(1)连接，设置在出料装置(2)一端，储液装置(4)与光纤弯曲装置(3)连通，固化装置(5)与光纤弯曲装置(3)连通，收料装置(6)与固化装置(5)连通。通过光纤弯曲组件和储液装置(4)在光纤弯曲时涂覆隔光材料，能够增加光纤表面隔光材料的连续性，使光纤在运输和使用时即使产生弯曲也能够避免隔光材料连续性降低以致断裂的情况，解决了隔光材料因连续性降低而导致断裂甚至脱落的问题。

Description

光纤涂覆设备及涂覆方法 技术领域
本发明属于通信光纤加工领域，具体是光纤涂覆设备及涂覆方法。
 背景技术
光纤是将光信号从信号源传递到接收端的导光元件，与传统电信号不同的是防止电信号泄漏的方法可以通过空气或将阻值较高的绝缘层包裹在电缆侧面即可保证电信号沿电缆的导电线到达预定位置，但是光纤传递的介质是光信号，因为光在空气中也能传播，所以在生产光纤时需要在光纤外涂覆一层隔光材料，避免光信号泄漏的同时加强光纤表面强度。
现有光纤涂覆设备是在光纤生产线上将生产出的光纤拉直经过蓄液池实现光纤表层涂料的涂覆，然后将光纤输送到固化设备中实现涂料固化，但是光纤的实际运输和使用是将光纤卷曲的，在光纤卷曲时存在涂料连续性降低导致断裂甚至脱落，进而导致光信号减弱甚至丢失的问题。
 技术问题
提供光纤涂覆设备及涂覆方法，以解决现有技术存在的上述问题。
 技术解决方案
光纤涂覆设备，用于在光纤表面涂覆隔光材料。
该光纤涂覆设备包括：支撑装置。
出料装置，安装在支撑装置一端。
光纤弯曲装置，与支撑装置连接，设置在出料装置一端，用于弯曲光纤。
储液装置，与光纤弯曲装置连通，用于将隔光材料输出到光纤弯曲装置，在光纤弯曲时涂覆隔光材料。
固化装置，与光纤弯曲装置连通，用于固化隔光材料。
收料装置，与固化装置连通，用于收纳依次穿过光纤弯曲装置和固化装置后的光纤。
在进一步的实施例中，所述光纤弯曲装置包括：
螺旋管，与出料装置、储液装置和固化装置连通，所述储液装置将隔光材料输出到螺旋管内，并使螺旋管内的隔光材料保持在预定液位范围。
壳体，套设在螺旋管外。
在进一步的实施例中，所述螺旋管包括：
螺旋本体，是螺旋延伸的管道
进料口，设置在螺旋本体顶端一侧，并向出料装置方向延伸预定距离。
进液口，设置在进料口靠近螺旋本体一端的上方，与储液装置连通。
所述储液装置向螺旋管内输送隔光材料，并使螺旋管内的隔光材料液位保持在进液口，通过将进液口设置在进料口上，能够在光纤与螺旋本体接触前先与隔光材料接触，由隔光材料在光纤和螺旋本体之间润滑，减少摩擦和拉伤。
在进一步的实施例中，所述螺旋管还包括：
出料口，设置在螺旋本体底端一侧，并向固化装置方向延伸预定距离。
出液口，设置在出料口靠近螺旋本体一端的下方，与储液装置连通。
所述出料口的延伸方向与地面呈预定夹角，螺旋管内的隔光材料从出液口回流至储液装置内，通过使出料口的延伸方向与地面呈预定夹角，以及与储液装置连通的出液口，能够使光纤表面的隔光材料，以及螺旋管内的隔光材料回流至储液装置内，避免了隔光材料随光纤直接流入固化装置内，解决了隔光材料资源浪费的问题。
在进一步的实施例中，所述螺旋管的截面内壁是多边形。
在进一步的实施例中，所述螺旋管的截面内壁是三角形、矩形或棱形中的任意一种，通过将螺旋管的截面内壁设计为多边形，能够保证光纤与螺旋管是线抵接，减少了摩擦力，提高了光纤与隔光材料接触面积。
在进一步的实施例中，所述收料装置包括：
收卷动力源，与支撑装置连接。
收料盘，与收卷动力源连接。
收料壳，套设在收卷动力源和收料盘外，并与支撑装置连接。
定位组件，安装在收料壳的一端，光纤经过定位组件进入收料壳内。
所述定位组件的中心轴穿过螺旋管的出料端的截面。
所述定位组件的中心轴与螺旋管的出料端内壁之间的距离大于光纤的半径，通过中心轴穿过螺旋管的出料端的截面，并且中心轴与螺旋管的出料端内壁之间的距离大于光纤半径的定位组件，能够保证光纤从离开螺旋管到收料壳之间，隔光材料还未固化这一阶段中避免光纤表面隔光材料遭到破坏。
在进一步的实施例中，所述定位组件是与收料壳固定连接的直线轴承。
在进一步的实施例中，基于光纤涂覆设备的涂覆方法包括：
S1. 储液装置将隔光材料输出到光纤弯曲装置，并使光纤弯曲装置内的隔光材料保持在预定液位范围。
S2. 收料装置拉动光纤依次穿过光纤弯曲装置和固化装置。
S3. 光纤在光纤弯曲装置内被弯曲的同时涂覆隔光材料。
S4. 光纤在固化装置内固化隔光材料。
 有益效果
本发明公开了光纤涂覆设备及涂覆方法，该光纤涂覆设备通过光纤弯曲组件和储液装置在光纤弯曲时涂覆隔光材料，能够增加光纤表面隔光材料的连续性，使光纤在运输和使用的及时产生弯曲也能够避免隔光材料连续性降低至断裂的情况，解决了隔光材料因连续性降低而导致断裂甚至脱落的问题。
 附图说明
图1是本发明的装配示意图。
图2是本发明的光纤弯曲装置示意图。
图3是本发明的弯曲装置截面示意图。
图4是本发明的定位组件实施例示意图。
图1至图4所示附图标记为：支撑装置1、出料装置2、光纤弯曲装置3、储液装置4、固化装置5、收料装置6、螺旋管31、螺旋本体311、进料口312、进液口313、出料口314、出液口315、收料壳61、定位组件62。
 本发明的实施方式
在下文的描述中，给出了大量具体的细节以便提供对本发明更为彻底的理解。然而，对于本领域技术人员而言显而易见的是，本发明可以无需一个或多个这些细节而得以实施。在其他的例子中，为了避免与本发明发生混淆，对于本领域公知的一些技术特征未进行描述。
本发明提供了用于在光纤表面涂覆隔光材料的光纤涂覆设备及涂覆方法。
该光纤涂覆设备包括：支撑装置1、出料装置2、光纤弯曲装置3、储液装置4、固化装置5、收料装置6。
支撑组件与地面固定连接，在支撑组件内还设置有电气管线收容空间。
安装在支撑装置1一端的出料装置2，出料装置2用于收纳收线盘，图1所示实施例是试验机示意图，在实际生产中，出料装置2可以是光纤生产线，直接对生产出的光纤进行加工，在图1所示实施例中，出料装置2可以是外部套设有壳体的可自由传动的收线盘，也可以包括出料动力源，以及与出料动力源连接的收线盘，在收料装置6收料之前先启动出料动力源，避免光纤所受拉力过大。
设置在出料装置2一端，并与支撑装置1连接的光纤弯曲装置3，该光纤弯曲装置3用于弯曲光纤。
与光纤弯曲装置3连通的储液装置4，该储液装置4用于将隔光材料输出到光纤弯曲装置3，在光纤弯曲时涂覆隔光材料。
与光纤弯曲装置3连通的固化装置5，该固化装置5可以是用于固话隔光材料的紫外线固化机。
与固化装置5连通的收料装置6，该收料装置6用于收纳依次穿过光纤弯曲装置3和固化装置5后的光纤。
工作原理：收料装置6拉动光纤从出料装置2内依次穿过光纤弯曲装置3和固化装置5到收料装置6内，光纤在光纤弯曲装置3内被弯曲的同时被涂覆隔光材料，通过光纤弯曲组件和储液装置4在光纤弯曲时涂覆隔光材料，能够增加光纤表面隔光材料的连续性，使光纤在运输和使用的及时产生弯曲也能够避免隔光材料连续性降低至断裂的情况，解决了隔光材料因连续性降低而导致断裂甚至脱落的问题。
在进一步的实施例中，光纤弯曲装置3包括：螺旋管31和壳体。
与出料装置2、储液装置4和固化装置5连通的螺旋管31，储液装置4将隔光材料输出到螺旋管31内，并使螺旋管31内的隔光材料保持在预定液位范围。
套设在螺旋管31外的壳体用于保护螺旋管31以及起到隔光作用，在壳体的侧壁还可以设置观察窗，需要注意的是，观察窗需要有闭锁门，使用观察窗时需要隔绝阳光，避免紫外线照射到螺旋管31内的隔光材料造成隔光材料的固化。
在进一步的实施例中，光纤进入螺旋管31内，若直接在螺旋管31内位移，存在光纤与螺线管的内壁摩擦，导致光纤外壁与螺旋管31内壁拉伤的问题。
为了解决上述问题，螺旋管31包括：螺旋本体311、进料口312和进液口313。
螺旋本体311是螺旋延伸的管道
设置在螺旋本体311顶端一侧的进料口312，进料口312向出料装置2方向延伸预定距离。
设置在进料口312靠近螺旋本体311一端上方的进液口313，与储液装置4连通。
储液装置4向螺旋管31内输送隔光材料，并使螺旋管31内的隔光材料液位保持在进液口313。
通过将进液口313设置在进料口312上，能够在光纤与螺旋本体311接触前先与隔光材料接触，由隔光材料在光纤和螺旋本体311之间润滑，减少摩擦和拉伤。
在进一步的实施例中，若隔光材料随光纤直接流入固化装置5内，存在隔光材料资源浪费的问题。
为了解决上述问题，螺旋管31还包括：出料口314和出液口315。
设置在螺旋本体311底端一侧的出料口314，出料口314向固化装置5方向延伸预定距离。
设置在出料口314靠近螺旋本体311一端下方的出液口315，出液口315与储液装置4连通。
出料口314的延伸方向与地面呈预定夹角，螺旋管31内的隔光材料从出液口315回流至储液装置4内。
通过使出料口314的延伸方向与地面呈预定夹角，以及与储液装置4连通的出液口315，能够使光纤表面的隔光材料，以及螺旋管31内的隔光材料回流至储液装置4内，避免了隔光材料随光纤直接流入固化装置5内，解决了隔光材料资源浪费的问题。
使隔光材料在螺旋管31内处于流动状态还能避免隔光材料淤积老化结块。
在进一步的实施例中，现有螺旋管31主要是用于化学试验的截面是圆形的玻璃管，截面外壁圆形的光纤在截面内壁圆形的螺旋管31内存在面抵接，导致光纤与螺旋管31摩擦力过大，以及光纤与隔光材料接触不充分的问题。
为了解决上述问题，螺旋管31的截面内壁是多边形。
优选的，螺旋管31的截面内壁是三角形、矩形或棱形中的任意一种。
通过将螺旋管31的截面内壁设计为多边形，能够保证光纤与螺旋管31是线抵接，减少了摩擦力，提高了光纤与隔光材料接触面积。
在进一步的实施例中，在光纤位移至出料口314时，由于螺旋管31内的隔光材料已回流至储液装置4内，此时若光纤再与螺旋管31的内壁抵接则会出现涂覆不均匀的问题。
为了解决上述问题，收料装置6包括：收卷动力源、收料盘、收料壳61和定位组件62。
与支撑装置1连接的收卷动力源。
与收卷动力源连接的收料盘。
套设在收卷动力源和收料盘外，并与支撑装置1连接的收料壳61。
安装在收料壳61的一端的定位组件62，光纤经过定位组件62进入收料壳61内。
定位组件62的中心轴穿过螺旋管31的出料端的截面。
定位组件62的中心轴与螺旋管31的出料端内壁之间的距离大于光纤的半径。
通过中心轴穿过螺旋管31的出料端的截面，并且中心轴与螺旋管31的出料端内壁之间的距离大于光纤半径的定位组件62，能够保证光纤从离开螺旋管31到收料壳61之间，隔光材料还未固化这一阶段中避免光纤表面隔光材料遭到破坏。
优选的，定位组件62是与收料壳61固定连接的直线轴承。
基于上述实施例的光纤涂覆方法包括：S1. 储液装置4将隔光材料输出到光纤弯曲装置3，并使光纤弯曲装置3内的隔光材料保持在预定液位范围。
S2. 收料装置6拉动光纤依次穿过光纤弯曲装置3和固化装置5。
S3. 光纤在光纤弯曲装置3内被弯曲的同时涂覆隔光材料。
S4. 光纤在固化装置5内固化隔光材料。
在进一步的实施例中，S5. 光纤弯曲装置3内的隔光材料保持流动，处于动态平衡状态，避免隔光材料淤积老化结块。
如上所述，尽管参照特定的优选实施例已经表示和表述了本发明，但其不得解释为对本发明自身的限制。在不脱离所附权利要求定义的本发明的精神和范围前提下，可对其在形式上和细节上做出各种变化。

Claims (9)

  1. 光纤涂覆设备，用于在光纤表面涂覆隔光材料；
    其特征在于，包括：支撑装置，
    出料装置，安装在支撑装置一端；
    光纤弯曲装置，与支撑装置连接，设置在出料装置一端，用于弯曲光纤；
    储液装置，与光纤弯曲装置连通，用于将隔光材料输出到光纤弯曲装置，在光纤弯曲时涂覆隔光材料；
    固化装置，与光纤弯曲装置连通，用于固化隔光材料；
    收料装置，与固化装置连通，用于收纳依次穿过光纤弯曲装置和固化装置后的光纤。
  2. 根据权利要求1所述光纤涂覆设备，其特征在于，
    所述光纤弯曲装置包括：
    螺旋管，与出料装置、储液装置和固化装置连通，所述储液装置将隔光材料输出到螺旋管内，并使螺旋管内的隔光材料保持在预定液位范围；
    壳体，套设在螺旋管外。
  3. 根据权利要求2所述光纤涂覆设备，其特征在于，
    所述螺旋管包括：
    螺旋本体，是螺旋延伸的管道；
    进料口，设置在螺旋本体顶端一侧，并向出料装置方向延伸预定距离；
    进液口，设置在进料口靠近螺旋本体一端的上方，与储液装置连通；
    所述储液装置向螺旋管内输送隔光材料，并使螺旋管内的隔光材料液位保持在进液口。
  4. 根据权利要求2所述光纤涂覆设备，其特征在于，
    所述螺旋管还包括：
    出料口，设置在螺旋本体底端一侧，并向固化装置方向延伸预定距离；
    出液口，设置在出料口靠近螺旋本体一端的下方，与储液装置连通；
    所述出料口的延伸方向与地面呈预定夹角，螺旋管内的隔光材料从出液口回流至储液装置内。
  5. 根据权利要求2所述光纤涂覆设备，其特征在于，
    所述螺旋管的截面内壁是多边形。
  6. 根据权利要求2所述光纤涂覆设备，其特征在于，
    所述螺旋管的截面内壁是三角形、矩形或棱形中的任意一种。
  7. 根据权利要求2所述光纤涂覆设备，其特征在于，
    所述收料装置包括：
    收卷动力源，与支撑装置连接；
    收料盘，与收卷动力源连接；
    收料壳，套设在收卷动力源和收料盘外，并与支撑装置连接；
    定位组件，安装在收料壳的一端，光纤经过定位组件进入收料壳内；
    所述定位组件的中心轴穿过螺旋管的出料端的截面；
    所述定位组件的中心轴与螺旋管的出料端内壁之间的距离大于光纤的半径。
  8. 根据权利要求7所述光纤涂覆设备，其特征在于，
    所述定位组件是与收料壳固定连接的直线轴承。
  9. 基于权利要求2-8任一项所述光纤涂覆设备的涂覆方法，其特征在于，包括：
    S1. 储液装置将隔光材料输出到光纤弯曲装置，并使光纤弯曲装置内的隔光材料保持在预定液位范围；
    S2. 收料装置拉动光纤依次穿过光纤弯曲装置和固化装置；
    S3. 光纤在光纤弯曲装置内被弯曲的同时涂覆隔光材料；
    S4. 光纤在固化装置内固化隔光材料。
PCT/CN2021/103988 2021-05-31 2021-07-01 光纤涂覆设备及涂覆方法 WO2022252328A1 (zh)

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JPH07261062A (ja) * 1994-03-23 1995-10-13 Toyo Polymer Kk 光フアイバー被覆パイプおよびその製造方法
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