Mechanical locking mechanism of air transportation lifting plate making machine

The utility model discloses a mechanical locking mechanism of an air transportation lifting plate striking machine. The mechanical locking mechanism comprises a motor, a transmission shaft, a locking block, a screw rod, a screw sleeve and a guide shaft, the two ends of the transmission shaft are mounted on the lifting plate beating machine through two screw rods; the motor is connected with the transmission shaft through a transmission part; a guide shaft is mounted on the outer side of each screw rod; a guide through hole is formed in the locking block; a screw sleeve is fixedly connected into one guide through hole; the two locking blocks are respectively mounted on the two screw rods and the guide shafts on the corresponding outer sides of the two screw rods; the guide through holes of the locking block are respectively in one-to-one corresponding hole-shaft fit with the screw rod and the guide shaft, the thread sleeve of one guide through hole is in threaded fit with the screw rod, and the other guide thr