Copper alloy extrusion device

The utility model belongs to the technical field of copper alloy production and processing, and particularly relates to a copper alloy extrusion device which comprises a female die fixing mechanism, four sets of movable grooves are oppositely formed in the inner wall of an installation groove in a mirror image mode, locking blocks are arranged in the movable grooves in a sliding mode, springs are fixedly arranged between one sides of the locking blocks and one ends of the inner walls of the movable grooves, and the female die fixing mechanism is fixed to the female die fixing mechanism. A movable rod is fixedly arranged on one side of the locking block, a connecting lug is arranged at the position, located outside the die fixing base, of one end of the movable rod, an operation handle is fixedly arranged on one side of the connecting lug, a female die is assembled in the mounting groove, and four sets of locking grooves are formed in the side edge of the female die in a mirror image mode. The position of the