Automatic hole plate switching device in wood plugboard training

An automatic switching pore plate device for wood plugboard training comprises two mounting blocks, a prism is rotatably arranged on the two mounting blocks, holes in different shapes are formed in two adjacent surfaces of the prism, a positioning push-pull device is mounted on the lower portion of one end of the prism, a positioning plate is fixedly connected to a push rod of the positioning push-pull device, and a positioning plate is fixedly connected to the other end of the positioning push-pull device. A magnet is installed on each face of the other end of the prism, a plurality of Hall sensors corresponding to the magnets on the faces of the prisms respectively are arranged on the lower portions of the ends, provided with the magnets, of the prisms, rotating shafts are fixedly connected to the two end faces of the prisms, the prisms are rotationally connected to the two installation blocks through the rotating shafts, and driving devices are connected to the rotating shafts. Andthe positioning push-pull