CN201200964Y - Optical fiber coating feeding system with anti-return function - Google Patents

Abstract

The utility model provides an optical fiber coating and feeding system with the function of preventing material return, which relates to a material feeding system for preventing coating material return in optical fiber manufacturing. The system is composed of a paint bucket storage tank, a buffer bucket and a coating cup. A paint bucket is placed in the paint bucket storage tank. The paint bucket storage tank is equipped with a storage tank cover. Inside, a solenoid valve is installed on the intake pipe; a buffer barrel cover is installed on the upper part of the buffer barrel, and an inner interlayer is arranged in the buffer barrel; three liquid level sensors are installed on the buffer barrel cover, and the liquid level sensor I is installed on the upper part of the buffer barrel, and the liquid level sensor II is installed at the bottom of the buffer tank. There is an overflow port on the upper part of the interlayer in the buffer tank, and a liquid level sensor III is installed on the top of the other side. The side of the buffer tank is equipped with an air intake pipe; between the paint tank storage tank and the buffer tank It is connected with a feed pipe, which is respectively inserted into the bottom of the paint bucket storage tank and the buffer bucket, and a liquid solenoid valve is installed on the feed pipe; the buffer bucket and the coating cup are connected with a discharge pipe. The system is reasonable in design, cheap in cost and simple in structure, and can effectively restrain paint from returning to the site, and has wide application prospects.

Description

Optical fiber coating feeding system with anti-return function

technical field

The utility model provides an optical fiber coating and feeding system with the function of preventing material return, which relates to a material feeding system for preventing coating material return in optical fiber manufacturing.

Background technique

The coating process is an important step in the manufacturing process of communication optical fibers, and plays a pivotal role in all processes of optical fiber manufacturing. There are two commonly used feeding methods for coating: central centralized filling and separate feeding system with the production line as a unit. The former uses a large storage tank system to feed the small coating buckets of multiple production lines, and then uses the small coating buffer buckets to quantitatively coat the bare optical fiber in the mold through the control system. Its main disadvantages are the complex system and high energy consumption; while the latter is based on the production line, and the paint bucket storage tank is separately set up to fill the small paint buffer tank, and then the bare optical fiber in the mold is fed by the small paint buffer tank through the control system. Quantitative coating, its disadvantage is that the small paint buffer tank needs to be fed frequently through pressure during production, especially when the electrical components of the system are abnormal, it is easy to cause material return to the coating cup, etc., causing abnormal fiber optics and production interruption, which affects the equipment operating efficiency.

Utility model content

The purpose of this utility model is to provide an optical fiber coating and feeding system with anti-return function for the above shortcomings, optimize the feeding system with the production line as the unit, have a simple structure, and have an obvious inhibitory effect on the return phenomenon .

On the outer wall of the buffer barrel structure, an inner interlayer is added, an overflow opening is opened on one side of the inner interlayer, and an air inlet is provided on the upper part of the other side of the interlayer. A liquid level sensor is installed on the inner interlayer on the side of the air inlet, and the inner interlayer material involved in the entire transformation is internally polished stainless steel 316L. At the same time, a liquid normally open solenoid valve is provided on the feeding pipeline of the small paint buffer tank.

The optical fiber coating feeding system with anti-return function is composed of a paint bucket storage tank, a buffer bucket, and a coating cup. A paint bucket is placed in the paint bucket storage tank, the paint bucket storage tank is equipped with a storage tank cover, the storage tank cover is equipped with an air inlet pipe, and extends into the paint bucket, the air inlet pipe is equipped with a solenoid valve; the upper part of the buffer bucket is equipped with The buffer barrel cover is provided with an inner interlayer inside the buffer barrel. There are three commercially available German-made high and low P+F inductive liquid level sensors on the cover of the buffer tank. The liquid level sensor I is installed on the upper part of the buffer tank, and the liquid level sensor II is installed on the bottom of the buffer tank. The overflow port, the top of the other side is equipped with a German P+F inductive liquid level sensor, and the side of the buffer tank is equipped with an air intake pipe. The paint barrel storage tank and the buffer barrel are connected by feeding pipes, which are respectively inserted into the bottom of the paint barrel storage tank and the buffer barrel. The CKD liquid normally open solenoid valve is installed on the feed pipe; the discharge pipe is used between the buffer barrel and the coating cup. tube connection.

The optical fiber coating feeding system with anti-returning function has reasonable design, low cost, simple structure, can effectively inhibit the paint returning site, and has wide application prospects.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Fig. 1 is a schematic structural view of an optical fiber feeding system with anti-coating backfeeding system.

Detailed ways

Referring to accompanying drawing 1, the optical fiber coating feeding system with the anti-return function is mainly composed of a paint bucket storage tank 1, a buffer bucket 11, and a coating cup 10. Paint bucket 14 is placed in paint bucket storage tank 1, and storage tank cover 16 is housed in paint bucket storage tank 1, and air inlet pipe 13 is housed on the storage tank cover 16, and extends in the paint bucket 14, and air inlet pipe 13 is equipped with Solenoid valve 15; buffer barrel cover 17 is equipped with on the top of buffer barrel 11, and inner interlayer 6 is arranged in buffer barrel 11. The buffer barrel cover 17 is equipped with three commercially available German-made high and low P+F inductive liquid level sensors, the liquid level sensor I4 is installed on the upper part of the buffer barrel 11, the liquid level sensor II12 is installed on the bottom of the buffer barrel 11, and the interlayer 6 in the buffer barrel 11 There is an overflow port 5 on the top of one side, a German P+F inductive liquid level sensor III7 is installed on the top of the other side, and an air intake pipe 8 is installed on the side of the buffer barrel 11. The paint bucket storage tank 1 and the buffer bucket 11 are connected with the feed pipe 3, respectively inserted into the bottom of the paint bucket storage tank 1 and the buffer bucket 11, the feed pipe 3 is equipped with a CKD liquid normally open solenoid valve 2; the buffer bucket 11 It is connected with the coating cup 10 by the discharge pipe 9.

working principle

The working principle of the optical fiber coating feeding system with anti-return function: under the push of the compressed air 13, the paint in the paint bucket 14 enters the buffer bucket 11 through the feed pipe 3, and when the paint liquid level of the buffer bucket 11 reaches The sensor 4 stops feeding, and at the same time, the paint in the buffer barrel 11 enters the coating cup 10 under the impetus of the air inlet pressure of the air inlet 8 . When the paint liquid level of the buffer barrel 11 reaches the sensor 12, the feeding pipe 3 starts feeding, and so on and on. Practice has shown that the solenoid valve 15 and sensor 4 controlling the intake pipe 13 are prone to technical failures during production. In order to avoid failure of the above components, the buffer tank 11 is continuously filled, and the paint that is more than the capacity of the buffer tank 11 will return. Flow into the coating cup 10 and the air intake pipe 8, causing abnormal interruption of production. Using the device of the present utility model, once the aforementioned electronic element solenoid valve 15 and the liquid level sensor 4 have technical failures in the production process, the buffer tank 11 is continuously filled, and the paint that is more than the volume of the buffer tank 11 will be overflowed immediately. The orifice 5 flows out into the inner interlayer 6, and the liquid level in the inner interlayer 6 continues to rise. When the liquid level reaches the sensor 7, the signal is immediately fed back to the liquid solenoid valve 2, and the solenoid valve 2 is quickly closed to lock the feed pipe 3. , stop feeding. And the paint in the buffer tank 11 continues to feed the coating cup 10 under the pressure of the air intake pipe 8, the liquid level of the buffer tank 11 drops, and the paint in the inner interlayer 6 enters from the overflow port 5 under the drive of pressure. In the buffer tank 11, the liquid level in the inner interlayer 6 drops, and now the solenoid valve 2 is opened. When the liquid level in the buffer bucket 11 is lower than the sensor 12, the paint bucket 4 starts feeding it again.

Claims (2)

1. An optical fiber coating feeding system with anti-return function, characterized in that the system is composed of a paint bucket storage tank, a buffer bucket, and a coating cup, and a paint bucket is placed in the paint bucket storage tank, and the paint bucket is stored in a can There is a storage tank cover, and the storage tank cover is equipped with an air intake pipe, which extends into the paint bucket, and a solenoid valve is installed on the air intake pipe; There are three liquid level sensors. The liquid level sensor I is installed on the upper part of the buffer tank, and the liquid level sensor II is installed on the bottom of the buffer tank. There is an overflow port on the upper side of the interlayer in the buffer tank, and the liquid level sensor III is installed on the top of the other side. The side of the buffer barrel is equipped with an air inlet pipe; the paint barrel storage tank and the buffer barrel are connected by a feed pipe, which is respectively inserted into the bottom of the paint barrel storage tank and the buffer barrel, and a liquid solenoid valve is installed on the feed pipe; the buffer barrel and the buffer barrel The coating cups are connected by a discharge pipe. 2. The optical fiber coating feeding system with anti-return function according to claim 1, characterized in that the liquid level sensor is a P+F inductive liquid level sensor.