The utility model relates to equipment for quickly and automatically cleaning concrete residues on the inner bottom surface and the side surface of a mold in the production process of prestressed reinforced concrete slabs (or components), in particular to mold cleaning equipment. The base cross beams are four base supports, and two long-side cross beams of the base cross beams are parallel; the two rails are parallel to each other; the rails are respectively fixed above the long edges of the base cross beam; anti-collision beams are arranged at the two end parts of the rail; the movable mold cleaning devices are arranged on the two rails in parallel; a fixed pressing plate is arranged right above the rail; the movable mold cleaning device comprises a power output mechanism, a vehicle body,a transmission shaft and walking wheels, the power output mechanism is arranged at the bottom of the vehicle body, the power output mechanism is connected with the walking wheels with the two ends arranged on the rails through the transmission shaft, and the vehicle body is provided with a sweeping mechanism II for cleaning the side end mold and a sweeping mechanism I for cleaning the bottom mold. According to the utility model, the production cost is reduced.