The invention relates to a turning-over and transporting device, in particular to a plate turning-over and transporting device. The plate turning-over and transporting device comprises a base assembly, a turning-over and transporting assembly, a feeding assembly, a belt transmission assembly and a conveying assembly. The base assembly comprises a bottom plate, a motor base, a hinged seat, a bearing seat supporting column I, a sliding rail supporting column and a sliding rail. The motor base is fixedly connected to the front side of the right end of the bottom plate, and the hinged seat is fixedly connected to the right side of the middle end of the bottom plate. The bearing seat supporting column I is fixedly connected to the right end of the bottom plate and located on the right side of the rear end of the motor base. The sliding rail supporting column is fixedly connected to the left side of the middle end of the bottom plate, the upper end of the sliding rail is inclined towards theright side, and the right end of the sliding rail is fixedly connected to the upper end of the sliding rail supporting column. Through a tooth-lacking gear, a cam, a connecting rod I, a connecting rod II, a connecting rod III and a connecting rod IV, plates can be further transported while being turned over.