Internal heating type drying box

The utility model discloses an internal heating type drying box, and particularly relates to the technical field of mechanical devices, the internal heating type drying box comprises a main box body, an inner container shell with an opening is embedded in the front side wall of the main box body, the inner container shell extends towards the interior of the main box body, the interior of the inner container shell is hollow, and the opening of the inner container shell is open. A front door installed on the front side wall of the main box body is arranged in front of an opening of the inner container shell, the front door is movably hinged to the front side wall of the main box body, two vertical inner container hanging piece plates are fixed to the two side walls of an inner cavity of the inner container shell respectively, and a drying heating plate is arranged between the inner container hanging piece plates on the two sides. The drying heating plate is fixed to the rear side wall of an inner cavity of the