Punching device for security door

The anti-theft door punching device comprises a support, a control panel is installed in the middle of one side of the support, a collecting box is installed in the middle of the top of the support, motors are installed at the two ends, close to one side of the control panel, of the interior of the support correspondingly, and bidirectional screw rods are installed at the output ends of the motors; and movable plates are mounted on the two sides of the outer surface of the two-way screw rod. According to the laser punching machine, through cooperation of the motor, the two-way screw rod, the first rodless electric cylinder and the supporting rod, an anti-theft door metal shell needing to be punched can be fixed to the supporting rod, the position of the anti-theft door metal shell can be adjusted through the first rodless electric cylinder, and meanwhile the anti-theft door metal shell can be conveniently punched through a moving structure connected with the laser punching machine. And the laser punching mach