Building material cutting device for civil engineering

The building material cutting device for civil engineering comprises a machine body, a cutting mechanism and an operation table are arranged on the machine body, a sliding rail is arranged on the operation table, a T-shaped plate is arranged on the sliding rail, a sliding block is arranged on the T-shaped plate, a sliding groove is formed in the sliding block, the T-shaped plate penetrates through the sliding groove, and the T-shaped plate penetrates through the sliding groove. A supporting plate is arranged at the top end of the sliding block, a clamping mechanism is arranged on the supporting plate, a clamping plate is arranged at one end of the first threaded column, a fixing plate is arranged on one side of the supporting plate, an adjusting plate is arranged on one side of the sliding block, and second threaded holes and lifting holes are formed in the adjusting plate and the fixing plate. A lifting iron plate is arranged between the two lifting holes, an electromagnetic lock is arranged at the top end o