Framework feeding device

The utility model discloses a framework feeding device which comprises a conveying rail, a vibration disc arranged at an inlet of the conveying rail, a pressure stabilizing plate arranged above the conveying rail, a material blocking assembly, a detection assembly and a screening assembly. The material blocking assembly, the detection assembly and the screening assembly are sequentially arranged at an outlet of the conveying rail. The material blocking assembly is used for blocking the to-be-machined workpieces and ensuring that the to-be-machined workpieces are output one by one in order. Thedetection assembly is used for detecting whether a to-be-machined workpiece is complete or not. The screening assembly is used for screening workpieces to be machined. According to the utility model,to-be-processed workpieces can be screened by utilizing the screening assembly; the screening assembly is additionally provided with the recognition camera, whether the feeding end is matched with the position of the to-be-ma