Feeding device and using method thereof
A technology of feeding device and coating, applied in the field of optical fiber manufacturing, can solve the problems of affecting the environmental performance of optical fibers, affecting the yield of optical fibers, production stop, etc., and achieving the effects of simple structure, elimination of air bubbles, and quality assurance
Pending Publication Date: 2018-07-24
JIANGDONG TECH CO LTD +2
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Problems solved by technology
These air bubbles will affect the environmental performance of the optical fiber. Larger air bubbles will cause fiber breakage to stop production or produce uneven coating defects, resulting in fiber scrapping and affecting the yield of optical fiber.
Method used
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[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0027] It should be noted that when a component is said to be "mounted on" another component, it may be directly on the other component or there may be an intervening component. When a component is said to be "set on" another component, it may be set directly on the other component or there may be an intervening component at the same time.
[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly unders...
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The invention provides a feeding device. The feeding device comprises a storage vat, a feeding pipe and a discharging pipe stretching into the interior of the storage vat, a coating cup connected withthe discharging pipe, a supporting rod and a plurality of bubble detection sensors arranged inside the storage vat, a floating device sleeving the supporting rod and a material receiving cup arrangedat one end of the supporting rod, wherein the outlet of the feeding device stretches into the interior of the material receiving cup; and the floating device moves up and down along with the change of a liquid level inside the storage vat. The feeding device provided by the invention is simple in structure and convenient to use, bubbles mixed into a coating can be eliminated effectively, the coating pressed into the coating cup is free of bubble, the quality of an optical fiber is guaranteed, and the yield of the product is improved.
Description
technical field [0001] The invention relates to the field of optical fiber manufacturing, in particular to a feeding device and a using method thereof. Background technique [0002] Optical fiber coating is a key process in optical fiber manufacturing. The absence of air bubbles inside the coating is an important indicator of the coating quality. The bubbles in the coating come from two aspects. One is that when the optical fiber is coated, the contact surface between the optical fiber and the coating forms a half-moon-shaped concave liquid surface due to the shear force. When the coating pressure does not match the shear force, the half-moon-shaped concave surface When the longitudinal depth of the liquid surface is lengthened, gas will be mixed into the coating to form bubbles; the other is that the paint entering the barrel impacts the paint in the barrel during the feeding process to generate bubbles. Due to the high viscosity of the paint, the bubbles mixed into it are...
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IPC IPC(8): B05C11/10
CPCB05C11/10B05C11/1042B05C3/12B05C11/1007B01D19/0063C03C25/104
Inventor 孙志成王晔张海涛戴杰曹珊珊刘志忠
Owner JIANGDONG TECH CO LTD