功能：通知控制輸送帶電機的正反轉，將工件傳到加工位置或滑槽内，加工位置的兩個傳感器來檢測工件是否到位和工件的材質，通過電磁鐵的吸合和斷開來擋住工件
 
This system controls the forward and reverse rotation of the conveyor belt motor to transport workpieces to the processing position or into a chute. Two sensors at the processing position detect whether the workpiece is in place and identify the material of the workpiece. The position of the workpiece is managed by the engagement and disengagement of an electromagnet to block the workpiece.