Coating rinsing device

The utility model relates to the technical field of paint rinsing, in particular to a paint rinsing device which comprises a cylinder. An arc plate is installed on one side of the outer edge face of the cylinder in a sliding and inserted mode, a base groove for the arc plate to slide is formed in the cylinder, protruding blocks used for improving the sealing performance are constructed on the two sides of the arc plate, a round pipe communicated with the interior of the cylinder is installed at the top end of the arc plate, and a feeding hopper is installed at the top end of the outer edge face of the cylinder. Through the arrangement of the cylinder, the foundation trench, the arc plate, the round pipe, the transverse plate and the fastening bolts, waste water mixed with raw materials in the cylinder is discharged from the round pipe at the top end of the arc plate through the arc plate installed in the foundation trench on the cylinder in a sliding mode, and the fastening bolts at the two ends of the transv