Marine litter cleaning robot

A disclosed marine litter cleaning robot comprises a floating recycling main body, a litter winding assembly, a solid-liquid separation assembly and a litter collecting cavity, the litter winding assembly is arranged at the front end of the floating recycling main body, the litter collecting cavity is formed in the rear end of the floating recycling assembly, and a fixed separation assembly is arranged in the floating recycling main body. The fixed separation assembly comprises a drainage adjusting assembly, a downward sliding cavity, a supporting frame, a guide screen, a baffle, a rotating motor, a grinding roller, an inflation and suction pump and a pushing air bag, and the supporting frame is arranged in the floating recycling main body. The invention belongs to the technical field of marine environmental protection, and particularly relates to the marine litter cleaning robot for collecting seawater and garbage together by utilizing the garbage rolling effect, separating the garbage from the seawater, col