Automatic sheet receiving device for aluminum sheet punching machine

The utility model discloses an automatic sheet connecting device for an aluminum sheet punching machine, and particularly relates to the technical field of sheet connecting devices, which comprises a bottom plate, a connecting seat is arranged on one side of the top end of the bottom plate, supporting legs are fixedly connected to two sides of the bottom end of the connecting seat, and limiting mechanisms are arranged at two ends of the connecting seat. By arranging the first limiting plate, the supporting legs, the movable plate, the supporting plate, the hydraulic air cylinder, the telescopic rod and the second limiting plate, the first limiting plate and the second limiting plate are arranged at the two ends of the connecting base in the using process and used for preventing a plate from deviating, and when the position of the second limiting plate from the connecting base needs to be adjusted, the hydraulic air cylinder is started; the hydraulic air cylinder drives the second limiting plate to move toward