Main shaft reversing mechanism for mining machinery metal processing vertical milling machine

The utility model relates to the technical field of vertical milling machines, in particular to a main shaft reversing mechanism for a mining machinery metal processing vertical milling machine. According to the technical scheme, a machine base is included, a workbench is arranged on one side of the upper end of the machine base, a control box is arranged on the other side of the upper end of the machine base, supporting plates are connected to the two sides of the upper end of the control box, rotating shafts are rotationally connected into the two supporting plates in a penetrating mode, and a machine body is connected between the two rotating shafts; a main shaft is connected to the lower end of one side of the lathe bed, two symmetrically-arranged transmission rods are connected to the rear surface of the lathe bed, a connecting rod is connected between the two sliding blocks, a bottom block is rotationally connected to the middle of the lower surface of the connecting rod, and an electric push rod is arr