▎ 摘　　要

NOVELTY - The utility model relates to the technical field of coating processing, specifically to a de-foaming device for preparing composite coating, comprising a defoaming cylinder and a defoaming tank, the defoaming cylinder and the defoaming tank are fixedly connected with an overflow pipe, the top part of the defoaming tank is fixedly connected with a first vacuum pump. the advantages of the utility model are as follows: through setting the overflow pipe, between the defoaming cylinder and the defoaming tank is fixedly connected with an overflow pipe, the material after primary defoaming in the defoaming cylinder enters the defoaming tank through the overflow pipe, top part will flow to the rotating plate, between the two baffles, starting the first vacuum pump, vacuumizing the defoaming tank through the first exhaust pipe, at this time, starting the first motor, the rotating shaft drives the rotating plate of the defoaming box to rotate, the material is dispersed on the rotating plate, the defoaming is more complete, and when the defoaming material is rotated to the bottom of the receiving pipe, starting the discharging pump, the material is drawn out by the receiving pipe, convenient for continuously using.