Die punching device

The utility model discloses a die punching device. The device comprises a top plate, hydraulic presses and clamping plates, a moving plate is arranged on the lower surface of the top plate; a square tooth block is installed in the middle of the supporting column. Supporting rods are mounted on the lower surfaces of the supporting columns; the supporting rod is rotationally connected with a pulley;a fluted disc is arranged on the right side of the square toothed block; a forward and reverse two-way motor is arranged below the rotating shaft; the hydraulic machine is installed on the left sideof the top plate, an electric control box is arranged on the left side of the hydraulic machine, an outer column is arranged below the electric control box, a puncher is connected to the lower portionof the inner column, the clamping plate is installed below the puncher, and a spring is arranged on the left side of the clamping plate. According to the die punching device, the die punching position can be freely moved and a