Precision coating device and coating method for special optical fiber impregnating compounds

A coating device and technology of special optical fiber, which is applied in the field of optical fiber processing, can solve the problems of poor coating effect and inability of coating mechanism to achieve uniform coating, etc., and achieve the effect of good compactness, convenient winding of tow, and not easy to fall off

Pending Publication Date: 2018-04-27
NANJING CHUNHUI SCI & TECH IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a precise coating device and coating method for a special optical fiber sizing agent, to solve the technical problems that the coating mechanism in the prior art cannot achieve uniform coating and the coating effect is poor

Method used

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  • Precision coating device and coating method for special optical fiber impregnating compounds
  • Precision coating device and coating method for special optical fiber impregnating compounds
  • Precision coating device and coating method for special optical fiber impregnating compounds

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Such as figure 1 , 2 As shown, a precise coating device for a special optical fiber sizing agent, including a liquid circulation system and a coating homogenization mechanism, wherein the liquid circulation system includes a micro-quantity given supply system 1, an adjustable pressure high-pressure air pump 3 and an atomization system 4 .

[0035] The coating homogenization mechanism includes an inlet guide wheel 2, a homogenization wheel 8, an outlet guide wheel 9, a storage bottom box 11 and a sealing cover 6, and the inlet guide wheel 2, the homogenization wheel 8, and the outlet guide wheel 9 are all arranged on the storage In the bottom box 11, the sealing cover 6 is located directly above the storage bottom box 11, and is arranged in cooperation with the storage bottom box; the opposite side walls of the storage bottom box are provided with through holes for the passage of optical fibers, and the optical fiber bundle 7 passes through a through hole. After the ho...

Embodiment 2

[0048] In this example, if image 3 As shown, the outlet of the atomization system 4 is connected with two atomization nozzles 5, the distance between two adjacent atomization nozzles is 100mm, the horizontal distance between the inlet guide wheel and the homogenization wheel is 500mm, and the distance between the lower end of the atomization nozzle and the optical fiber The height of the beam is 80mm. The cross section of the groove on the outer peripheral surface of the homogenizing wheel along the radial direction of the homogenizing wheel is arc-shaped.

[0049] Other parts are the same as in Embodiment 1.

Embodiment 3

[0051] The method for coating using the coating device described in embodiment one or two, may further comprise the steps:

[0052] Step 1. Inject the optical fiber sizing agent into the storage bottom box. The upper liquid level of the sizing agent is lower than the lower edge of the guide wheel, homogenizing wheel, and exit guide wheel;

[0053] Step 2. Pass one end of the optical fiber to be coated through a through hole on the side wall of the storage bottom box and enter the storage bottom box, bypass the inlet guide wheel, homogenizing wheel, and outlet guide wheel in turn, and pass through the through hole on the other side. Through the hole, and then connected with the external winding mechanism;

[0054] Step 3: Turn on the trace supply system, adjustable pressure high-pressure air pump and atomization system, then the infiltrant enters the trace supply system through the first pipeline in turn, then enters the adjustable pressure high-pressure air pump through the se...

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PUM

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Abstract

The invention discloses a precision coating device and coating method for special optical fiber impregnating compounds. The coating device comprises a liquid circulation system and a coating homogenization mechanism, the liquid circulation system comprises a trace given supply system, a pressure-adjustable high-pressure gas pump and an atomizing system, and the coating homogenization mechanism comprises an inlet guide wheel, a homogenization wheel, an outlet guide wheel, a storage bottom box and a sealing cover. Quantitative impregnating compounds are added into the storage bottom box, the quantitative supply system and the pressure-adjustable high-pressure gas pump jointly function to quantitatively convey the impregnating compounds into the atomizing system under constant pressure, the atomized impregnating compounds are sprayed out of an atomizing nozzle by the aid of pressure difference, an atomizing state is formed in a cavity, the atomized impregnating compounds are naturally anduniformly adsorbed on special optical fiber tows, the homogenization wheel can rotate at a uniform speed by the aid of friction force between a drawn special optical fiber tow 7 and the homogenization wheel, so that the impregnating compounds naturally adsorbed on the special optical fiber tows are homogenized, and a coating is uniform in thickness, good in compactness and not easy to fall off.

Description

technical field [0001] The invention relates to the field of optical fiber processing, in particular to a precise coating device and coating method for a special optical fiber sizing agent. Background technique [0002] The existing optical fiber sizing agent coating structure is generally composed of a storage tank, a conduit, a regulating valve, a static felt wheel, and the like. The state of the sizing agent coated by the coating mechanism is liquid, and the coating accuracy is not high, and the coating quality is poor. The coated optical fiber has defects such as skinning, unevenness, and broken coating. The published patent number is: CN205275461U, an online coating device for optical fiber drawing. Its structure includes a bottom plate, a silo, adjustment knobs, felt strips, etc., and its structure does not include atomization and homogenization devices, and the supply of coating is uncertain. , not suitable for sizing coating of special optical fibers. Another exam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C25/20
CPCC03C25/20
Inventor 王守文潘维超黄晓云唐冬梅姚应娣肖丙珍马贤于周祖俊
Owner NANJING CHUNHUI SCI & TECH IND
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