A supply device and method for coating for optical fiber drawing
A coating and optical fiber technology, which is applied in the field of coating supply devices for optical fiber drawing, to achieve the effects of reducing product failure rate, reducing related costs, and optimizing pipeline connections
Active Publication Date: 2021-12-14
武汉长盈通光电技术股份有限公司
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is to provide a coating supply device and method for optical fiber drawing, which is easy to operate and cost-effective. Space, avoiding the complicated operation of changing paint and changing pipes
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[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0024] Such as figure 1 As shown, in the embodiment of the present invention, the "wet-to-wet" coating process in the special optical fiber drawing process is described in conjunction with this design method, wherein the first paint storage tank 1 and the second paint storage tank 2 are stored. It is the inner coating. This embodiment includes the complete process of paint preparation, paint air bubble removal, paint normal supply, paint switching, wire drawing and pipeline cleaning.
[0025] Step 1, remove the upper bottle caps of the original packages of the required two different types of pain...
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The invention discloses a coating supply device and method for optical fiber drawing, comprising at least two coating storage tanks, pipeline cleaning solution storage tanks, waste storage tanks, coating cups, and a Venturi vacuum generator. There are openings through which the temperature detector, liquid level sensor and pressure sensor are extended into the interior of the paint storage tank; the temperature detector is in direct contact with the paint to test the temperature of the paint and achieve closed-loop control with the external heating jacket, the liquid level The sensor has high liquid level, medium liquid level and low liquid level signal output, and provides an alarm when the liquid level is low. The pressure sensor displays the pressure in the storage tank in real time, and alarms when the pressure is too high or too low. It can not only quickly eliminate bubbles inside the coating, but also meet the rapid switching of different types of coatings in the production process. It is easy to operate, saves space, and avoids the complicated operation of changing coatings and pipes.
Description
technical field [0001] The invention belongs to the technical field of optical fiber manufacturing equipment, and in particular relates to a supply device and method for coating for optical fiber drawing. Background technique [0002] The typical structure of optical fiber is a multi-layer coaxial cylinder, which consists of three parts: core, cladding and coating from inside to outside. The core and the cladding are often composed of quartz materials with different refractive indices. Due to the special material and mechanism design, the optical signal can be stably transmitted in the fiber core. The coating layer of an optical fiber is generally composed of an inner coating layer and an outer coating layer, and their joint protection makes the optical fiber not only have good anti-microbending performance, but also have good environmental adaptability and mechanical damage resistance. [0003] Optical fibers can be divided into communication optical fibers and special opt...
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IPC IPC(8): C03C25/16C03C25/12
CPCC03C25/16C03C25/12
Inventor 余倩卿尹力丁凡李睿黄青松廉正刚皮亚斌
Owner 武汉长盈通光电技术股份有限公司