Casting blank crossing device

The utility model relates to a casting blank crossing device which comprises a rail assembly arranged between adjacent production spans, a trolley assembly used for transversely moving, crossing and transporting casting blanks is arranged on the rail assembly in a supporting mode, and a transverse moving driving assembly used for driving the trolley assembly to transversely move between the adjacent production spans is connected to the trolley assembly. A lifting driving assembly used for driving the rail assembly and the trolley assembly to ascend and descend is arranged below the rail assembly. The trolley assembly is driven by the transverse movement driving assembly to perform transverse movement crossing operation along the rail assembly, and transverse transportation work of round billets within the range is completed; the lifting operation of the rail assembly and the trolley assembly is driven by the lifting driving assembly, blank taking and blank placing operation is completed, it is guaranteed that