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CN105859119B - The processing method of optical fiber - Google Patents

The processing method of optical fiber Download PDF

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Publication number
CN105859119B
CN105859119B CN201610194604.3A CN201610194604A CN105859119B CN 105859119 B CN105859119 B CN 105859119B CN 201610194604 A CN201610194604 A CN 201610194604A CN 105859119 B CN105859119 B CN 105859119B
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rod
chuck
auxiliary
preform
prefabricated rods
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CN105859119A (en
Inventor
王醒东
韩肖明
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Hangzhou Futong Communication Technology Co Ltd
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Hangzhou Futong Communication Technology Co Ltd
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Priority to CN201810588705.8A priority Critical patent/CN108675627B/en
Priority to CN201810338028.4A priority patent/CN108409127B/en
Priority to CN201610194604.3A priority patent/CN105859119B/en
Publication of CN105859119A publication Critical patent/CN105859119A/en
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    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B37/00Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
    • C03B37/01Manufacture of glass fibres or filaments
    • C03B37/012Manufacture of preforms for drawing fibres or filaments
    • C03B37/01205Manufacture of preforms for drawing fibres or filaments starting from tubes, rods, fibres or filaments
    • C03B37/01225Means for changing or stabilising the shape, e.g. diameter, of tubes or rods in general, e.g. collapsing
    • C03B37/01228Removal of preform material
    • C03B37/01237Removal of preform material to modify the diameter by heat-polishing, e.g. fire-polishing
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/50Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57Improving the yield, e-g- reduction of reject rates

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)

Abstract

本发明公开了一种光纤的加工方法,包括以下步骤:1)将两根辅助棒和一根预制棒分别固定在三个同轴设置的卡盘上,预制棒与中间的卡盘相对固定,且预制棒的两端分别穿出卡盘;2)移动两个卡持辅助棒的卡盘,使辅助棒向预制棒对应的一端靠拢;3)控制三个卡盘以相同速度转动,通过喷灯对预制棒与辅助棒相邻的端部进行加热;4)预制棒和辅助棒端部融化时,控制卡持辅助棒的卡盘向预制棒方向运动,使预制棒与辅助棒的两个端部相互交接,熔融成一体。本加工方法能够同时将两根辅助棒熔接在预制棒中,能够大大提高熔接效率。

The invention discloses a method for processing an optical fiber, which comprises the following steps: 1) fixing two auxiliary rods and a preformed rod on three coaxially arranged chucks respectively, the preformed rod and the middle chuck are relatively fixed, And the two ends of the preform go out of the chucks respectively; 2) Move the two chucks holding the auxiliary rods so that the auxiliary rods move closer to the corresponding end of the preform; 3) Control the three chucks to rotate at the same speed, and the Heating the end adjacent to the preform rod and the auxiliary rod; 4) when the ends of the preform rod and the auxiliary rod melt, control the chuck holding the auxiliary rod to move in the direction of the preform rod, so that the two ends of the preform rod and the auxiliary rod The parts are handed over to each other and melted into one. The processing method can simultaneously weld two auxiliary rods into the preformed rod, and can greatly improve the welding efficiency.

Description

光纤的加工方法Optical fiber processing method

技术领域technical field

本发明涉及光纤领域,具体涉及光纤的加工方法。The invention relates to the field of optical fibers, in particular to a processing method for optical fibers.

背景技术Background technique

光纤制造中,在拉丝工序前需要对预制棒进行火焰研磨操作,在对预制棒进行火焰研磨前,在预制棒的两端分别熔接一根辅助棒,然后两个卡盘分别夹持对应的辅助棒,两个卡盘以相同的速度转动时,带动预制棒和辅助棒转动,通过可移动的喷灯对预制棒进行高温灼烧,喷灯使用氢气和氧气作为燃料,燃烧时产生2300℃左右的高温,能够清除预制棒表面的杂质和灰尘,释放预制棒内原本分布不均匀的内应力,使预制棒表面的细微裂纹愈合,避免在拉丝过程中出现断纤。火焰研磨后,在进行拉丝工序前,需要把其中一根辅助棒熔断,剩下的一根辅助棒用于跟拉丝设备的夹具配合,起到被夹持的作用。In optical fiber manufacturing, it is necessary to flame grind the preform before the drawing process. Before the flame grinding of the preform, an auxiliary rod is welded to each end of the preform, and then the two chucks hold the corresponding auxiliary rods respectively. When the two chucks rotate at the same speed, the preform and the auxiliary rod are driven to rotate, and the preform is burned at high temperature by a movable blowtorch. The blowtorch uses hydrogen and oxygen as fuel, and generates a high temperature of about 2300°C during combustion , can remove impurities and dust on the surface of the preform, release the unevenly distributed internal stress in the preform, heal the fine cracks on the surface of the preform, and avoid fiber breakage during the wire drawing process. After flame grinding, one of the auxiliary rods needs to be fused before the wire drawing process, and the remaining auxiliary rod is used to cooperate with the clamp of the wire drawing equipment to play the role of being clamped.

实际在进行熔断操作时,预制棒每次只能与一根辅助棒熔接,熔接操作需要分两次进行,效率较低。In actual fusing operation, the preform rod can only be welded with one auxiliary rod at a time, and the welding operation needs to be carried out twice, which is less efficient.

发明内容Contents of the invention

本发明针对上述问题,提出了一种光纤的加工方法。解决了预制棒每次只能与一根辅助棒熔接,熔接效率较低的问题。Aiming at the above problems, the present invention proposes an optical fiber processing method. It solves the problem that the preform rod can only be welded with one auxiliary rod at a time, and the welding efficiency is low.

本发明采取的技术方案如下:The technical scheme that the present invention takes is as follows:

一种光纤的加工方法,包括以下步骤:A method for processing an optical fiber, comprising the steps of:

1)将两根辅助棒和一根预制棒分别固定在三个同轴设置的卡盘上,预制棒与中间的卡盘相对固定,且预制棒的两端分别穿出所述卡盘;1) Fix two auxiliary rods and a preform respectively on three coaxially arranged chucks, the preform is relatively fixed to the middle chuck, and the two ends of the preform pass through the chucks respectively;

2)移动两个卡持辅助棒的卡盘,使辅助棒向预制棒对应的一端靠拢;2) Move the two chucks holding the auxiliary rod so that the auxiliary rod moves closer to the corresponding end of the preform;

3)控制三个卡盘以相同速度转动,通过喷灯对预制棒与辅助棒相邻的端部进行加热;3) Control the three chucks to rotate at the same speed, and heat the end adjacent to the preform rod and the auxiliary rod through the blowtorch;

4)预制棒和辅助棒端部融化时,控制卡持辅助棒的卡盘向预制棒方向运动,使预制棒与辅助棒的两个端部相互交接,熔融成一体。4) When the ends of the preform rod and the auxiliary rod melt, the chuck holding the auxiliary rod is controlled to move in the direction of the preform rod, so that the two ends of the preform rod and the auxiliary rod are handed over and fused into one.

本加工方法能够同时将两根辅助棒熔接在预制棒中,能够大大提高熔接效率。The processing method can simultaneously weld two auxiliary rods into the preformed rod, and can greatly improve the welding efficiency.

可选的,预制棒和两个辅助棒熔接成一体后,进行火焰研磨操作,具体步骤如下:Optionally, after the preform and the two auxiliary rods are welded together, flame grinding is performed, and the specific steps are as follows:

2.1)控制中间的卡盘,使其不再卡持预制棒;2.1) Control the chuck in the middle so that it no longer holds the preform;

2.2)同步移动卡持辅助棒的卡盘,使预制棒向一侧运动,直至预制棒脱离卡盘;2.2) Synchronously move the chuck holding the auxiliary rod, so that the preform moves to one side until the preform breaks away from the chuck;

2.3)控制卡持辅助棒的两个卡盘以相同速度转动,通过喷灯对预制棒进行高温退火处理。2.3) Control the two chucks holding the auxiliary rods to rotate at the same speed, and perform high-temperature annealing treatment on the preform rods through a blowtorch.

这种方法使得不需要对辅助棒进行重新拆装就能实现火焰研磨操作,能够大大提高生产效率。This method enables the flame grinding operation to be realized without the need to reassemble and disassemble the auxiliary rod, which can greatly improve production efficiency.

可选的,所述步骤1)~4)通过熔接设备进行操作,所述熔接设备包括:Optionally, the steps 1) to 4) are performed by welding equipment, and the welding equipment includes:

基座;base;

主卡盘座,安装在基座的中部,主卡盘座上转动安装有中空的主卡盘;The main chuck seat is installed in the middle of the base, and a hollow main chuck is installed on the main chuck seat for rotation;

两个移动座,滑动安装在所述基座上,且分别位于所述主卡盘座的两侧,各移动座上均转动安装有副卡盘,主卡盘和两个副卡盘同轴设置;Two moving seats are slidably installed on the base, and are respectively located on both sides of the main chuck seat, and auxiliary chucks are rotatably installed on each moving seat, and the main chuck and the two auxiliary chucks are coaxial set up;

两个第一驱动机构,分别用于驱动对应的移动座移动;Two first driving mechanisms are respectively used to drive the corresponding moving seat to move;

两个喷灯座,滑动安装在基座上,喷灯座上均固定有喷灯,两个喷灯座分别位于主卡盘的两侧;Two blowtorch holders, which are slidably installed on the base, and blowtorches are fixed on the blowtorch holders, and the two blowtorch holders are respectively located on both sides of the main chuck;

两个第二驱动机构,分别用于驱动对应的喷灯座移动。The two second driving mechanisms are respectively used to drive the corresponding torch holders to move.

熔接设备工作时,预制棒中部位于主卡盘内,两个副卡盘分别卡持辅助棒,通过移动座能够调节辅助棒,使其端部与预制棒的端部贴近,然后通过调节喷灯座,使喷灯对预制棒与辅助棒相邻的端部进行加热,进行熔接操作。When the welding equipment is working, the middle part of the preform rod is located in the main chuck, and the two auxiliary chucks hold the auxiliary rod respectively. The auxiliary rod can be adjusted through the moving seat so that its end is close to the end of the preform rod, and then the torch seat can be adjusted to , so that the blowtorch heats the end adjacent to the preform rod and the auxiliary rod to carry out the welding operation.

可选的,主卡盘的两端均设有用于夹持预制棒的卡爪。Optionally, both ends of the main chuck are provided with jaws for clamping the preform.

可选的,所述主卡盘座的下表面具有一定位槽,所述基座上安装有液压升降柱,所述液压升降柱与所述定位槽配合带动主卡盘座升降,且所述主卡盘座升起后,与所述液压升降柱转动配合,所述基座上具有四个定位孔,四个定位孔绕液压升降柱的轴线均匀分布;所述主卡盘座的下表面设有四个与所述定位孔配合的定位柱。Optionally, the lower surface of the main chuck seat has a positioning groove, and a hydraulic lifting column is installed on the base, and the hydraulic lifting column cooperates with the positioning groove to drive the main chuck seat to rise and fall, and the After the main chuck seat is raised, it rotates and cooperates with the hydraulic lifting column. There are four positioning holes on the base, and the four positioning holes are evenly distributed around the axis of the hydraulic lifting column; the lower surface of the main chuck seat There are four positioning columns matched with the positioning holes.

实际操作时,当刚开始安装预制棒时,通过控制液压升降柱将主卡盘座顶起,主卡盘座转动90°后,能够方便安装进主卡盘,防止与移动座干涉,安装好后,再复位,液压升降柱带动主卡盘座下降,定位柱与定位孔配合,使主卡盘座定位住。In actual operation, when the preform is first installed, the main chuck seat is lifted up by controlling the hydraulic lifting column. After the main chuck seat is rotated 90°, it can be easily installed into the main chuck to prevent interference with the moving seat. Finally, reset again, the hydraulic lifting column drives the main chuck seat to descend, and the positioning column cooperates with the positioning hole to make the main chuck seat positioned.

可选的,所述定位槽为圆锥状,所述液压升降柱的顶部形状与所述定位槽相适配。Optionally, the positioning groove is conical, and the top shape of the hydraulic lifting column is adapted to the positioning groove.

可选的,所述定位槽与液压升降柱之间涂设有润滑油。Optionally, lubricating oil is applied between the positioning groove and the hydraulic lifting column.

可选的,所述定位孔具有锥形的导向侧壁,所述定位柱的端部具有锥状的导向面。Optionally, the positioning hole has a tapered guiding side wall, and the end of the positioning post has a tapered guiding surface.

这种结构能够方便主卡盘座的定位。This structure can facilitate the positioning of the main chuck seat.

可选的,所述主卡盘座的侧壁固定有推动杆。Optionally, a push rod is fixed on the side wall of the main chuck seat.

熔接设备熔接完成或高温退火处理完成后,将两个副卡盘释放,移动座向远离主卡盘座的一侧移动;控制液压升降柱上升,将主卡盘座顶起,通过推动杆推动主卡盘座,使其转动90°,然后控制液压升降柱下降,使定位柱与定位孔配合定位,最后将主卡盘与预制棒分离,将预制棒与辅助棒从主卡盘座中运出。熔接设备的这种结构能够方便预制棒的安装和拆除,大大提高工作效率。After welding or high-temperature annealing of the welding equipment is completed, the two auxiliary chucks are released, and the moving seat moves to the side away from the main chuck seat; the hydraulic lifting column is controlled to rise, and the main chuck seat is lifted up, and pushed by the push rod Turn the main chuck seat to make it rotate 90°, then control the hydraulic lifting column to descend, make the positioning column match the positioning hole, and finally separate the main chuck from the preform, and transport the preform and auxiliary rod from the main chuck seat out. This structure of the fusion splicing equipment can facilitate the installation and removal of the preform rod, greatly improving the working efficiency.

本发明的有益效果是:本加工方法能够同时将两根辅助棒熔接在预制棒中,能够大大提高熔接效率。The beneficial effect of the invention is that the processing method can simultaneously weld two auxiliary rods into the preformed rod, and can greatly improve the welding efficiency.

附图说明:Description of drawings:

图1是本发明光纤的加工方法的流程图;Fig. 1 is the flowchart of the processing method of optical fiber of the present invention;

图2是熔接设备的结构示意图;Fig. 2 is the structural representation of welding equipment;

图3是主卡盘座的结构示意图;Fig. 3 is the structural representation of main chuck seat;

图4是熔接设备去除主卡盘座后的结构示意图。Fig. 4 is a schematic structural view of the fusion splicing equipment after the main chuck seat is removed.

图中各附图标记为:Each reference mark in the figure is:

1、基座,2、移动座,3、副卡盘,4、喷灯座,5、喷灯,6、辅助棒,7、预制棒,8、主卡盘,9、推动杆,10、主卡盘座,11、导向面,12、定位槽,13、定位柱,14、定位孔,15、导向侧壁,16、液压升降柱。1. Base, 2. Moving seat, 3. Secondary chuck, 4. Blowtorch seat, 5. Blowtorch, 6. Auxiliary rod, 7. Preform rod, 8. Main chuck, 9. Push rod, 10. Main card Disc seat, 11, guide surface, 12, positioning groove, 13, positioning column, 14, positioning hole, 15, guiding side wall, 16, hydraulic lifting column.

具体实施方式:Detailed ways:

下面结合各附图,对本发明做详细描述。Below in conjunction with each accompanying drawing, the present invention is described in detail.

如图1所示,本实施例公开了一种光纤的加工方法,包括以下步骤:As shown in Figure 1, this embodiment discloses a method for processing an optical fiber, comprising the following steps:

1)将两根辅助棒和一根预制棒分别固定在三个同轴设置的卡盘上,预制棒与中间的卡盘相对固定,且预制棒的两端分别穿出卡盘;1) Fix two auxiliary rods and a preform on three coaxial chucks respectively, the preform and the middle chuck are relatively fixed, and the two ends of the preform respectively pass through the chucks;

2)移动两个卡持辅助棒的卡盘,使辅助棒向预制棒对应的一端靠拢;2) Move the two chucks holding the auxiliary rod so that the auxiliary rod moves closer to the corresponding end of the preform;

3)控制三个卡盘以相同速度转动,通过喷灯对预制棒与辅助棒相邻的端部进行加热;3) Control the three chucks to rotate at the same speed, and heat the end adjacent to the preform rod and the auxiliary rod through the blowtorch;

4)预制棒和辅助棒端部融化时,控制卡持辅助棒的卡盘向预制棒方向运动,使预制棒与辅助棒的两个端部相互交接,熔融成一体。4) When the ends of the preform rod and the auxiliary rod melt, the chuck holding the auxiliary rod is controlled to move in the direction of the preform rod, so that the two ends of the preform rod and the auxiliary rod are handed over and fused into one.

本加工方法能够同时将两根辅助棒熔接在预制棒中,能够大大提高熔接效率。The processing method can simultaneously weld two auxiliary rods into the preformed rod, and can greatly improve the welding efficiency.

于本实施例中,预制棒和两个辅助棒熔接成一体后,进行火焰研磨操作,具体步骤如下:In this embodiment, after the preform rod and the two auxiliary rods are welded together, the flame grinding operation is performed, and the specific steps are as follows:

2.1)控制中间的卡盘,使其不再卡持预制棒;2.1) Control the chuck in the middle so that it no longer holds the preform;

2.2)同步移动卡持辅助棒的卡盘,使预制棒向一侧运动,直至预制棒脱离卡盘;2.2) Synchronously move the chuck holding the auxiliary rod, so that the preform moves to one side until the preform breaks away from the chuck;

2.3)控制卡持辅助棒的两个卡盘以相同速度转动,通过喷灯对预制棒进行高温退火处理。2.3) Control the two chucks holding the auxiliary rods to rotate at the same speed, and perform high-temperature annealing treatment on the preform rods through a blowtorch.

这种方法使得不需要对辅助棒进行重新拆装就能实现火焰研磨操作,能够大大提高生产效率。This method enables the flame grinding operation to be realized without the need to reassemble and disassemble the auxiliary rod, which can greatly improve production efficiency.

如图2~4所示,于本实施例中,步骤1)~4)通过熔接设备进行操作,熔接设备包括:As shown in Figures 2 to 4, in this embodiment, steps 1) to 4) are performed through welding equipment, which includes:

基座1;base 1;

主卡盘座10,安装在基座的中部,主卡盘座上转动安装有中空的主卡盘8;The main chuck seat 10 is installed in the middle of the base, and the main chuck seat is rotatably equipped with a hollow main chuck 8;

两个移动座2,滑动安装在基座上,且分别位于主卡盘座的两侧,各移动座上均转动安装有副卡盘3,主卡盘8和两个副卡盘3同轴设置,且主卡盘8用于卡持预制棒7,副卡盘3用于卡持辅助棒6;Two moving seats 2 are slidably installed on the base, and are respectively located on both sides of the main chuck seat. A secondary chuck 3 is rotatably installed on each moving seat, and the main chuck 8 and the two secondary chucks 3 are coaxial. set, and the main chuck 8 is used to hold the preform rod 7, and the auxiliary chuck 3 is used to hold the auxiliary rod 6;

两个第一驱动机构,分别用于驱动对应的移动座移动;Two first driving mechanisms are respectively used to drive the corresponding moving seat to move;

两个喷灯座4,滑动安装在基座上,喷灯座上均固定有喷灯5,两个喷灯座分别位于主卡盘的两侧;Two blowtorch holders 4 are slidably installed on the base, and blowtorches 5 are fixed on the blowtorch holders, and the two blowtorch holders are respectively located on both sides of the main chuck;

两个第二驱动机构,分别用于驱动对应的喷灯座移动。The two second driving mechanisms are respectively used to drive the corresponding torch holders to move.

于本实施例中,主卡盘8的两端均设有用于夹持预制棒的卡爪。In this embodiment, both ends of the main chuck 8 are provided with claws for clamping the preform.

如图2和3所示,于本实施例中,主卡盘座8的下表面具有一定位槽12,基座1上安装有液压升降柱16,液压升降柱与定位槽配合带动主卡盘座升降,且主卡盘座升起后,与液压升降柱转动配合,基座上具有四个定位孔14,四个定位孔14绕液压升降柱16的轴线均匀分布;主卡盘座的下表面设有四个与定位孔配合的定位柱13。As shown in Figures 2 and 3, in this embodiment, the lower surface of the main chuck seat 8 has a positioning groove 12, and a hydraulic lifting column 16 is installed on the base 1, and the hydraulic lifting column cooperates with the positioning groove to drive the main chuck. After the main chuck seat rises, it rotates and cooperates with the hydraulic lifting column. There are four positioning holes 14 on the base, and the four positioning holes 14 are evenly distributed around the axis of the hydraulic lifting column 16; the lower part of the main chuck seat The surface is provided with four positioning posts 13 which are matched with the positioning holes.

于本实施例中,定位槽12为圆锥状,液压升降柱16的顶部形状与定位槽相适配。定位槽12与液压升降柱16之间涂设有润滑油。In this embodiment, the positioning groove 12 is conical, and the top shape of the hydraulic lifting column 16 is adapted to the positioning groove. Lubricating oil is coated between the positioning groove 12 and the hydraulic lifting column 16 .

于本实施例中,定位孔14具有锥形的导向侧壁15,定位柱13的端部具有锥状的导向面11。这种结构能够方便主卡盘座的定位。In this embodiment, the positioning hole 14 has a tapered guiding sidewall 15 , and the end of the positioning post 13 has a tapered guiding surface 11 . This structure can facilitate the positioning of the main chuck seat.

于本实施例中,主卡盘座10的侧壁固定有推动杆9。In this embodiment, a push rod 9 is fixed on the side wall of the main chuck seat 10 .

本实施例的熔接设备实际操作时,先安装预制棒,通过控制液压升降柱将主卡盘座顶起,主卡盘座转动90°后,能够方便安装进主卡盘,防止与移动座干涉,安装好后,再复位,液压升降柱带动主卡盘座下降,定位柱与定位孔配合,使主卡盘座定位住;然后安装两根辅助棒,两个副卡盘分别卡持辅助棒,通过移动座能够调节辅助棒,使其端部与预制棒的端部贴近,然后通过调节喷灯座,使喷灯对预制棒与辅助棒相邻的端部进行加热,进行熔接操作。When the welding equipment of this embodiment is actually operated, the preform rod is installed first, and the main chuck seat is lifted up by controlling the hydraulic lifting column. After the main chuck seat is rotated 90°, it can be easily installed into the main chuck to prevent interference with the movable seat. , after installation, reset again, the hydraulic lifting column drives the main chuck seat down, the positioning column cooperates with the positioning hole, so that the main chuck seat is positioned; then install two auxiliary rods, and the two auxiliary chucks hold the auxiliary rods respectively , the auxiliary rod can be adjusted through the moving seat so that its end is close to the end of the preform rod, and then by adjusting the torch seat, the torch can heat the end of the preform rod and the auxiliary rod adjacent to the welding operation.

熔接设备熔接完成或高温退火处理完成后,将两个副卡盘释放,移动座向远离主卡盘座的一侧移动;控制液压升降柱上升,将主卡盘座顶起,通过推动杆推动主卡盘座,使其转动90°,然后控制液压升降柱下降,使定位柱与定位孔配合定位,最后将主卡盘与预制棒分离,将预制棒与辅助棒从主卡盘座中运出。熔接设备的这种结构能够方便预制棒的安装和拆除,大大提高工作效率。After welding or high-temperature annealing of the welding equipment is completed, the two auxiliary chucks are released, and the moving seat moves to the side away from the main chuck seat; the hydraulic lifting column is controlled to rise, and the main chuck seat is lifted up, and pushed by the push rod Turn the main chuck seat to make it rotate 90°, then control the hydraulic lifting column to descend, make the positioning column match the positioning hole, and finally separate the main chuck from the preform, and transport the preform and auxiliary rod from the main chuck seat out. This structure of the fusion splicing equipment can facilitate the installation and removal of the preform rod, greatly improving the working efficiency.

以上所述仅为本发明的优选实施例,并非因此即限制本发明的专利保护范围,凡是运用本发明说明书及附图内容所作的等效结构变换,直接或间接运用在其他相关的技术领域,均同理包括在本发明的保护范围内。The above is only a preferred embodiment of the present invention, and does not limit the scope of patent protection of the present invention. Any equivalent structural transformation made by using the description of the present invention and the contents of the accompanying drawings is directly or indirectly used in other related technical fields. All are equally included in the scope of protection of the present invention.

Claims (4)

1. a kind of processing method of optical fiber, which is characterized in that include the following steps:
1) two auxiliary rods and a prefabricated rods are separately fixed on the chuck of three coaxial arrangements, prefabricated rods and intermediate card Disk is relatively fixed, and the both ends of prefabricated rods are pierced by the chuck respectively;
2) chuck of mobile two clamping auxiliary rods, makes auxiliary rod be drawn close to the corresponding one end of prefabricated rods;
3) three chucks is controlled to be rotated with identical speed, is heated by the blowtorch end adjacent with auxiliary rod to prefabricated rods;
4) when prefabricated rods and auxiliary stick end melt, the chuck of control clamping auxiliary rod is moved to prefabricated rods direction, makes prefabricated rods Mutually join with two ends of auxiliary rod, be melted into one;
Step 1)~4) it is operated by welder, the welder includes:
Pedestal;
Main chuck seat mounted on the middle part of pedestal, is rotatablely equipped with hollow main card disk on main chuck seat;
Two Mobile bases, are slidably mounted on the pedestal, and are located at the both sides of the main chuck seat respectively, on each Mobile base It is rotatablely equipped with vice card disk, main card disk and two vice card disk coaxial arrangements;
Two the first driving mechanisms are respectively used to that corresponding Mobile base is driven to move;
Two Blast burner bases, are slidably mounted on pedestal, and blowtorch is respectively and fixedly provided on Blast burner base, and two Blast burner bases are located at main card disk respectively Both sides;
Two the second driving mechanisms are respectively used to that corresponding Blast burner base is driven to move;
The lower surface of the main chuck seat has a positioning groove, and hydraulic lifting post, the hydraulic lifting are equipped on the pedestal After column drives main card disk seat to lift with locating slot cooperation, and the main chuck seat rises, rotated with the hydraulic lifting post Coordinate, location hole, four location holes to be uniformly distributed around the axis of hydraulic lifting post there are four tools on the pedestal;The main card disk The lower surface of seat sets that there are four the positioning columns that coordinate with the location hole;
The locating slot is coniform, and the top shape of the hydraulic lifting post is adapted with the locating slot;The locating slot Lubricating oil is coated between hydraulic lifting post;
The side wall of the main chuck seat is fixed with catch bar.
2. the processing method of optical fiber as described in claim 1, which is characterized in that prefabricated rods and two auxiliary rod weldings are integral Afterwards, flame grinding operation is carried out, is as follows:
2.1) the intermediate chuck of control, makes its no longer clamping prefabricated rods;
2.2) chuck of synchronizing moving clamping auxiliary rod, makes prefabricated rods be moved to side, until prefabricated rods are detached from chuck;
2.3) two chucks of control clamping auxiliary rod are rotated with identical speed, and prefabricated rods are carried out at high annealing by blowtorch Reason.
3. the processing method of optical fiber as described in claim 1, which is characterized in that the both ends of main card disk are equipped with pre- for clamping The claw of stick processed.
4. the processing method of optical fiber as described in claim 1, which is characterized in that the location hole has the guiding side of taper Wall, the end of the positioning column have the guide surface of taper.
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