Controllable equilibrium flow film resistance-reducing negative-pressure defoaming device

Abstract

The invention provides a controllable equilibrium flow film resistance-reducing negative-pressure defoaming device. The device mainly includes a sealing cover, a raw material tank, a flow film wall, a finished product material tank, an umbrella-shaped material tank, an annular leakage wall, a feeding hole, a discharge hole, an exhaust pipe and a squint window. The device is characterized in that the flow film wall is subjected to dull polishing, the width of the annular leakage wall can be adjusted and controlled, the finished product material tank is designed into a funnel shape, the height of the exhaust pipe is set in the coverage area of the umbrella-shaped material tank, and the squint window is provided with an amplifiable convex lens. Compared with the prior art, the device has the advantages that the flow film wall obtained after dull polishing can separate and cut colloids and increase the exposure area of a film body, the controllable annular leakage wall can adjust and control the thickness of the flow film body and the residence time of the flow film body on the flow film wall, bubble overflowing and blasting are easily achieved, and the convex lens can improve the precision of movement condition observation.

Description

[0001] 1. Technical field [0002] The invention relates to deep processing of insulating materials for electromagnetic wires, in particular to a controllable and balanced flow film resistance-reducing negative pressure defoaming device. [0003] 2. Background technology [0004] During the production and processing of electromagnetic wires, polyimide films need to be uniformly and seamlessly coated with polyperfluoroethylene propylene concentrates. This gelatinous substance has a high density and poor fluidity, so it is not easy to remove the air bubbles in it. The polyperfluoroethylene propylene concentrate with air bubbles will cause uneven vacancy during the next step of production, thereby reducing the quality of the polyimide film and greatly increasing the defective rate of the product. [0005] 3. Contents of the invention [0006] The purpose of the present invention is to address the above technical problems and provide a controllable and balanced flow film resistanc...

AI Technical Summary

Problems solved by technology

[0004] During the production and processing of electromagnetic wires, polyimide films need to be uniformly and seamlessly coated with polyperfluoroethylene propylene concentrates. This gelatinous substance has a high density and poor fluidity, so it is not easy to remove the air bubbles in it. The polyperfluoroethylene propylene concentrate with air bubbles will cause uneven vacancy during the next step of production, which will reduce the quality of the polyimide film and greatly increase the defective rate of the product

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