WO2012136096A1 - 用于光纤涂覆器的无气泡涂料输送装置 - Google Patents

用于光纤涂覆器的无气泡涂料输送装置 Download PDF

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Publication number
WO2012136096A1
WO2012136096A1 PCT/CN2012/072291 CN2012072291W WO2012136096A1 WO 2012136096 A1 WO2012136096 A1 WO 2012136096A1 CN 2012072291 W CN2012072291 W CN 2012072291W WO 2012136096 A1 WO2012136096 A1 WO 2012136096A1
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WIPO (PCT)
Prior art keywords
bubble
optical fiber
control valve
photodetector
pump
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Application number
PCT/CN2012/072291
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English (en)
French (fr)
Inventor
方东权
何勤国
李震宇
蒋小强
Original Assignee
长飞光纤光缆有限公司
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Application filed by 长飞光纤光缆有限公司 filed Critical 长飞光纤光缆有限公司
Priority to AP2013007210A priority Critical patent/AP2013007210A0/xx
Publication of WO2012136096A1 publication Critical patent/WO2012136096A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0241—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to elongated work, e.g. wires, cables, tubes

Definitions

  • the invention relates to a bubble-free paint conveying device for an optical fiber applicator, belonging to the technical field of fiber drawing processing equipment.
  • a layer of a plurality of resin coating layers are applied on the outer surface of the drawn bare fiber, and the coating layer is processed by the fiber drawing process.
  • the fiber applicator at the output of the device is used to complete. Since the drawing process of the optical fiber is continuously performed for a long time, and the outer layer coating is also performed continuously in synchronization, it is necessary to continuously transport the coating for the optical fiber applicator.
  • the existing fiber applicator coating delivery device consists of two parts, one for the small tank portion that feeds the fiber applicator directly, and the other for the large tank portion that delivers the paint to each small tank.
  • the large tanks are pumped directly from the large tank to the feed port of each small tank, and then the paint is dispensed into small tanks of each drawing line as needed. In the feeding process, the detection of the amount of coating in the large tank is monitored by the flow of the pump, or by weighing the large tank.
  • the technical problem to be solved by the present invention is a bubble-free paint conveying device for an optical fiber applicator which is accurate and highly automated, which is provided for the deficiencies of the prior art.
  • the utility model comprises a large material tank and a sealed small material tank, wherein the large material tank is connected with the sealed small material tank through a pump and a pipeline, and the sealed small material tank is connected with the optical fiber applicator through a control valve, wherein the difference is at the pump output end.
  • the photodetector is connected in series in the pipeline, and the discharge control valve is connected next to the pipeline at the output end of the pump, and the photodetector and the discharge control valve are respectively connected with the PLC control box.
  • the feeding photodetector is connected in series in the pipeline at the input end of the pump, and a controllable tilting base is arranged at the bottom of the large tank, and one side of the tiltable base is hinged to the fixed hinge, and One side is matched with the top shrinking device, and the feeding photodetector and the top shrinking device are respectively connected with the PLC control box.
  • the photodetector and the feeding photodetector have the same structure, and are provided with a light pulse generating contact and a light pulse receiving contact, and the two contacts are disposed in the paint conveying pipeline, and the contact piece is used.
  • the difference in pulse type accepted in bubble-free paint and bubbled paint is transferred to the comparison module set in the PLC control box for comparative analysis.
  • the discharge control valve is said to be a pneumatic discharge control valve, and the control end of the pneumatic discharge control valve is connected with the pressure gas source through a pneumatic module disposed in the PLC control box.
  • the jacking device is a telescopic gas cylinder, and the telescopic cylinder is coupled with a pressure gas source through a pneumatic module disposed in the PLC control box.
  • the feed control valve is connected in series in the feed pipe of the sealed small tank, and the liquid level detector is installed in the sealed small tank.
  • the sealed small tank is connected to the pressure gas source through the pressure control valve.
  • the sealed small tank is provided with two or more, and the feeding pipes of two or more sealed small tanks are connected with the pump output end.
  • the photodetector is connected in series in the pipeline at the output end of the pump. When the photodetector in the pipeline detects air bubbles, the bypass discharge control valve will automatically open, and the paint mixed with bubbles will reflow. In the large tank, until the bubbles of the paint are eliminated; the discharge control valve is closed to achieve the bubble-free conveying of the fiber coating; 2.
  • the feed photodetector is connected in series in the pipeline at the pump input end, in the large tank When there are not many materials left, the feeding photodetector will find bubbles, trigger the tilting of the tiltable base, tilt the large tank to make up the remaining material in the tank, and then the pump stops working.
  • the system notifies the replacement of the large tank, which improves the The accuracy of the feeding, and the waste material is used up, avoiding the waste of raw materials; 3.
  • the invention not only has high automation degree, but also can effectively control the air bubbles in the fiber coating conveying pipeline, realizing the bubble-free conveying of the fiber coating material, and greatly reducing The fiber is scrapped due to coating, thereby improving the coating quality of the fiber coating layer and the processing quality of the fiber.
  • Figure 1 is a block diagram of an embodiment of the present invention.
  • the utility model comprises a large material tank 2 and a sealed small material tank 17, and a plurality of sealed small material tanks are arranged, and the feeding pipes of the plurality of sealed small material tanks are connected with the pump output end.
  • the large tank is connected to the sealed small tank through the pump 1 and the pipeline, the photodetector 10 is connected in series in the pipeline at the pump output end, and the discharge control valve 12 is correspondingly connected in the pipeline at the pump output end, the unloading
  • the control valve is a pneumatic discharge control valve, and the control end of the pneumatic discharge control valve is connected with the pressure gas source through the pneumatic module 15 disposed in the PLC control box; the comparison between the photoelectric detector and the discharge control valve and the PLC control box 4 respectively
  • the module 16 is connected to the pneumatic module 15, the photodetector is provided with a light pulse generating contact and a light pulse receiving contact, and the two contacts are disposed in the paint conveying pipeline, and the contact piece is used in the bubble-free coating.
  • the difference between the pulse models accepted in the bubble coating is transmitted to the comparison module set by the PLC control box for comparison analysis, and then the pneumatic module 15 is issued a command through the centralized processing module 14 of the PLC control box to control the discharge control valve book. 12 actions.
  • the bypass discharge control valve will automatically open, and the bubble-mixed paint will flow back into the large tank until the paint bubbles are removed.
  • the feeding photodetector 11 is serially connected in the pipeline at the input end of the pump, and a controllable tilting base 18 is arranged at the bottom of the large tank, and one side of the tiltable base is hinged to the fixed hinge, and the other side is It is matched with the shrinking device 3, and the feeding photodetector and the shrinking device are respectively connected with the PLC control box; the feeding photodetector structure is the same as the photodetector, and the feeding photodetector and the PLC control box 4 are fed.
  • the comparison module 13 is connected, the topping device 3 is a telescopic cylinder, and the telescopic cylinder is connected with the pressure gas source through the pneumatic module 15 disposed in the PLC control box; when there is not much residual material in the large material tank, the The photodetector will detect bubbles, triggering the jacking device to lift up the controllable tilting base, tilting the large tank to run out of excess material in the tank, and then the pump stops working.
  • the feed control valve 5 is connected in series in the feed pipe of the sealed small tank 17, and the liquid level detector 7 is installed in the sealed small tank, and the opening and closing of the feed control valve is controlled by the liquid level detector.
  • the sealed small tank maintains a certain amount of liquid level, and the sealed small tank is connected to the pressure gas source through the pressure control valve 6, and the output end of the sealed small tank is connected with the fiber applicator 9 through the control valve 8
  • the fiber applicator continuously supplies the desired coating.

Landscapes

  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Coating Apparatus (AREA)

Description

用于光纤涂覆器的无气泡涂料输送装置 技术领域
本发明涉及一种用于光纤涂覆器的无气泡涂料输送装置，属于光纤拉丝加工 设备技术领域。
背景技术
在光纤的拉丝制作过程中，为保护光纤和增强光纤的机械性能须在拉制的裸 光纤外表面涂覆一层至多层树脂涂料涂覆层，该涂覆层是由安设在光纤拉丝加工 说
设备输出端的光纤涂覆器来完成。 由于光纤的拉丝加工是长时间连续进行， 而外 层涂覆也是同步连续进行， 因此需要不间断书的为光纤涂覆器输送涂料。现有的光 纤涂覆器涂料输送装置由两个部分组成，一个是直接为光纤涂覆器供料的小料罐 部分， 另一个部分为向各个小料罐输送涂料的大料罐部分。大料罐通过泵压将涂 料直接从大料罐中通过管道输送至各个小料罐的进料口，然后根据需要将涂料分 配到各个拉丝生产线的小料罐中。供料过程中对于大料罐中涂料量的检测则是通 过泵的流量来监测， 或是通过对大料罐进行称重来检测， 这样的效果往往很不准 确， 造成一定的误判和浪费。 另一方面， 在大料罐料尽更换时， 或是对灌料系统 进行维护、拆检时， 系统中难免会混入一定数量的空气， 然后这些空气会混入涂 料中流入小料罐， 最终会流到涂覆器中， 这些空气的混入会对于光纤的涂覆层产 生气泡， 严重影响光纤涂覆层的质量， 现有的解决方法是不停的在涂覆器处排出 涂料， 直到没有气泡为止， 这不仅造成涂料的很大浪费， 影响光纤加工质量， 而 且也降低了设备的功效。
发明内容
本发明所要解决的技术问题是针对现有技术的不足而提供的一种送料用料 准确、 自动化程度高的用于光纤涂覆器的无气泡涂料输送装置。
本发明为解决上述技术问题所采用的技术方案为：
包括有大料罐和密封小料罐， 大料罐通过泵和管道与密封小料罐相连通， 密 封小料罐通过控制阀与光纤涂覆器相接，其不同之处在于在泵输出端的管道中串 接光电探测器， 并在泵输出端的管道中相应旁接卸料控制阀， 光电探测器和卸料 控制阀分别与 PLC控制箱相接。 按上述方案， 在泵输入端的管道中串接进料光电探测器， 并在所述的大料 罐底部相应安设可控倾斜底座， 可控倾斜底座的一侧与固定铰座相铰接， 另一侧 与顶縮装置相配接， 进料光电探测器和顶縮装置分别与 PLC控制箱相接。
按上述方案， 所述的光电探测器和进料光电探测器结构相同， 设有一个光 脉冲发生触片和一个光脉冲接受触片， 两个触片安设在涂料输送管道中， 利用触 片在无气泡涂料和有气泡涂料中接受的脉冲型号差异， 传送到 PLC控制箱设置 的比较模块进行比较分析。
按上述方案， 所述的卸料控制阀说为气动卸料控制阀， 气动卸料控制阀的控制 端通过设置在 PLC控制箱的气动模块与压力气源相联接。
按上述方案， 所述的顶縮装置为伸縮气书缸， 所述的伸縮气缸通过设置在 PLC 控制箱的气动模块与压力气源相联接。
按上述方案， 在密封小料罐的进料管道中串接进料控制阀， 密封小料罐内安 设有液位探测器。
按上述方案， 所述的密封小料罐通过压力控制阀与压力气源相接通。
按上述方案， 所述的密封小料罐设置有 2个或多个， 2个或多个密封小料罐 的进料管道与泵输出端相并接。
本发明的有益效果： 1、 在泵输出端的管道中串接光电探测器， 当管道中的 光电探测器探测到有气泡， 旁接的卸料控制阀会自动打开， 混有气泡的涂料会回 流到大料罐中， 直至涂料的气泡被消除为止； 卸料控制阀关闭， 从而达到光纤涂 料的无气泡输送； 2、 在泵输入端的管道中串接进料光电探测器， 当大料罐中余 料不多时， 进料光电探测器会发现气泡， 触发可控倾斜底座顶起， 倾斜大料罐使 罐内余料用尽， 然后泵停止工作， 系统通知更换大料罐， 由此提高了供料的准确 性， 并使余料用尽， 避免原料的浪费； 3、 本发明不仅自动化程度高， 而且能有 效控制光纤涂料输送管道中的气泡， 真正实现光纤涂料的无气泡输送， 大幅减少 因涂覆引起的光纤报废， 从而提高光纤涂覆层的涂覆质量和光纤的加工质量。 附图说明
图 1为本发明一个实施例的结构图。
具体实施方式
下面结合附图进一步说明本发明的发明内容。 包括有大料罐 2和密封小料罐 17， 密封小料罐设置有多个， 多个密封小料 罐的进料管道与泵输出端相并接。 大料罐通过泵 1和管道与密封小料罐相连通， 在泵输出端的管道中串接光电探测器 10， 并在泵输出端的管道中相应旁接卸料 控制阀 12， 所述的卸料控制阀为气动卸料控制阀， 气动卸料控制阀的控制端通 过设置在 PLC控制箱的气动模块 15与压力气源相联接； 光电探测器和卸料控制 阀分别与 PLC控制箱 4的比较模块 16和气动模块 15相接，所述的光电探测器设 有一个光脉冲发生触片和一个光脉冲接受触片， 两个触片安设在涂料输送管道 中， 利用触片在无气泡涂料和有气说泡涂料中接受的脉冲型号差异， 传送到 PLC 控制箱设置的比较模块进行比较分析， 然后通过 PLC控制箱的集中处理模块 14 对气动模块 1 5发出指令，控制卸料控制阀书 12动作。当管道中的光电探测器探测 到有气泡， 旁接的卸料控制阀会自动打开， 混有气泡的涂料会回流到大料罐中， 直至涂料的气泡被消除为止。 在泵输入端的管道中串接进料光电探测器 11， 并 在所述的大料罐底部相应安设可控倾斜底座 18， 可控倾斜底座的一侧与固定铰 座相铰接， 另一侧与顶縮装置 3相配接， 进料光电探测器和顶縮装置分别与 PLC 控制箱相接； 进料光电探测器结构与光电探测器相同， 进料光电探测器与 PLC控 制箱 4的进料比较模块 13相接， 所述的顶縮装置 3为伸縮气缸， 所述的伸縮气 缸通过设置在 PLC控制箱的气动模块 15与压力气源相联接； 当大料罐中余料不 多时， 进料光电探测器会发现气泡， 从而触发顶縮装置顶起可控倾斜底座， 倾斜 大料罐使罐内余料用尽， 然后泵停止工作。 此外， 在密封小料罐 17的进料管道 中串接进料控制阀 5， 密封小料罐内安设有液位探测器 7， 通过液位探测器控制 进料控制阀的开闭， 使密封小料罐中保持一定的液位量， 密封小料罐通过压力控 制阀 6与压力气源相接通，密封小料罐的输出端通过控制阀 8与光纤涂覆器 9相 联接， 向光纤涂覆器连续提供所需涂料。

Claims

权 利 要 求 书
1. 一种用于光纤涂覆器的无气泡涂料输送装置， 包括有大料罐和密封小料 罐， 大料罐通过泵和管道与密封小料罐相连通， 密封小料罐通过控制阀与光纤涂 覆器相接， 其特征在于在泵输出端的管道中串接光电探测器， 并在泵输出端的管 道中相应旁接卸料控制阀， 光电探测器和卸料控制阀分别与 PLC控制箱相接。
2. 根据权利要求 1所述的用于光纤涂覆器的无气泡涂料输送装置， 其特征 在于在泵输入端的管道中串接进料光电探测器，并在所述的大料罐底部相应安设 可控倾斜底座， 可控倾斜底座的一侧与固定铰座相铰接， 另一侧与顶縮装置相配 接， 进料光电探测器和顶縮装置分别与 PLC控制箱相接。
3. 根据权利要求 2所述的用于光纤涂覆器的无气泡涂料输送装置， 其特征 在于所述的光电探测器和进料光电探测器结构相同，设有一个光脉冲发生触片和 一个光脉冲接受触片， 两个触片安设在涂料输送管道中， 利用触片在无气泡涂料 和有气泡涂料中接受的脉冲型号差异， 传送到 PLC控制箱设置的比较模块进行 比较分析。
4. 根据权利要求 1或 2所述的用于光纤涂覆器的无气泡涂料输送装置， 其 特征在于所述的卸料控制阀为气动卸料控制阀，气动卸料控制阀的控制端通过设 置在 PLC控制箱的气动模块与压力气源相联接。
5. 根据权利要求 1或 2所述的用于光纤涂覆器的无气泡涂料输送装置， 其 特征在于所述的顶縮装置为伸縮气缸，所述的伸縮气缸通过设置在 PLC控制箱的 气动模块与压力气源相联接。
6. 根据权利要求 1或 2所述的用于光纤涂覆器的无气泡涂料输送装置， 其 特征在于在密封小料罐的进料管道中串接进料控制阀，密封小料罐内安设有液位 探测器。
7. 根据权利要求 6所述的用于光纤涂覆器的无气泡涂料输送装置， 其特征 在于所述的密封小料罐通过压力控制阀与压力气源相接通。
8. 根据权利要求 7所述的用于光纤涂覆器的无气泡涂料输送装置，其特征在 于所述的密封小料罐设置有 2个或多个， 2个或多个密封小料罐的进料管道与泵 输出端相并接。
PCT/CN2012/072291 2011-04-07 2012-03-14 用于光纤涂覆器的无气泡涂料输送装置 WO2012136096A1 (zh)

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Application Number Priority Date Filing Date Title
AP2013007210A AP2013007210A0 (en) 2011-04-07 2012-03-14 Bubble-free coating material transferring unit foroptical fiber coating machine

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CN2011100862620A CN102151644A (zh) 2011-04-07 2011-04-07 用于光纤涂覆器的无气泡涂料输送装置
CN201110086262.0 2011-04-07

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CN102151644A (zh) * 2011-04-07 2011-08-17 长飞光纤光缆有限公司 用于光纤涂覆器的无气泡涂料输送装置
CN103819101B (zh) * 2014-01-27 2016-03-23 江苏通鼎光棒技术有限公司 一种涂覆料连续集中供料装置及其供料方法和控制方法
CN105327839B (zh) * 2015-12-03 2018-06-05 中天科技光纤有限公司 一种集中式自动控制切换式供料系统及其控制方法

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