Pretreatment feeding device for ton bag packaging hazardous waste

The utility model relates to the technical field of hazardous waste pretreatment, and provides a ton bag packaging hazardous waste pretreatment feeding device which comprises a bag cutting and extruding device and a material conveying device, and the bag cutting and extruding device comprises an extruding bin, an extruding plate, a rotating disc, a motor, a hydraulic cylinder and a cutter; a turntable is arranged on the base on the inner side of the extrusion bin and is connected with a motor; the extrusion plate is arranged on one side of the extrusion bin, the extrusion plate is combined with the inner wall of the extrusion bin through a guide rail groove, and the extrusion plate is connected with a hydraulic cylinder; cutting knife clamping grooves which are arranged in a staggered manner are formed in the extrusion plate; the side, opposite to the side where the extrusion plate is installed, in the extrusion bin is an open side, and a frame of the open side is provided with a cutting knife clamping groove