Casting rapid cooling device

The utility model relates to the technical field of castings. The utility model discloses a rapid cooling device for a casting. The device comprises a conveying belt, a guide plate, a hot-air blower and a guide block, the device further comprises a cleaning and brushing device, one end of the conveying belt penetrates through a notch formed in the left side of the device shell. The top of the mainplate is fixedly connected with the bottom of a water pump; a water pumping pipe of the water pump penetrates through a notch formed in the bottom of the left side of the shell; a water outlet pipe of the water suction pump penetrates through a notch formed in the left side of the top of the shell and is fixedly connected with the sprayer; a cleaning and brushing device is mounted at the top of the device shell; the brushing device comprises three rotating rods, a fan, a gear set and a brush, one end of the right rotating rod is fixedly connected with an output shaft of the motor, the other end of the right rotating