Separation device and sweeping robot assembly

The invention discloses a separation device and a sweeping robot assembly, and the separation device comprises a cleaning box, a separation part and a water spraying assembly; the cleaning box is provided with a cleaning cavity, a water collecting cavity and a dust suction air duct; the cleaning cavity is used for collecting dust, the water collecting cavity is located below the cleaning cavity, the water collecting cavity is provided with a water collecting port communicated with the cleaning cavity, and the dust suction air duct is provided with a dust suction port communicated with the cleaning cavity; the separation part is arranged at the water collecting port and is used for separating dust from water; and the water spraying assembly is arranged in the cleaning cavity and used for spraying water to the sweeping assembly of the sweeping robot. The separation device solves the problem that dust easily blocks the cleaning cavity during automatic cleaning of the cleaning assembly, and the cleaning effect is