Casting sand core removing device

The utility model relates to a casting sand core removing device which comprises an upper fixed plate and a lower movable plate, the lower movable plate is connected with the upper fixed plate through a guide rod, a main driving cylinder is installed on the upper fixed plate, and the output end of the main driving cylinder is connected with the lower movable plate. The device is characterized in that two first beating units and two second beating units are mounted on the lower movable plate; the first beating unit comprises a first driving cylinder and a first sand beating rod, the first driving cylinder is fixedly installed on the lower movable plate, and the output end of the first driving cylinder faces downwards and is connected with the first sand beating rod; the second beating unit comprises a beating seat, a second driving cylinder and a sand pressing plate, two sand beating plates are arranged on the beating seat, the second driving cylinder is fixedly mounted in the middle of the beating seat, and t