Automatic door plate cutting machine

According to the technical scheme, the automatic door plank cutting machine is characterized by comprising a base, a cutting machine and a door plank, the cutting machine is fixedly arranged on the base, a collecting hopper is fixedly arranged at the lower end of the base, an opening is formed in the lower end of the collecting hopper, a rotating plate is connected to the opening in a hinged mode, and a side plate is fixedly arranged at the upper end of the rotating plate; a scraping plate is arranged between the side plates, the front end face and the rear end face of the scraping plate are tightly attached to the opposite end faces of the side plates, a containing cavity is fixedly formed in one side of the collecting hopper, a tensioning mechanism is fixedly arranged in the containing cavity, the tensioning mechanism penetrates through the collecting hopper and the containing cavity and is fixedly arranged with the scraping plate, and the tensioning mechanism comprises a spring, a fixing ring and an elasti