Positioning and clamping device for aluminum alloy die casting machining

The utility model discloses a positioning and clamping device for aluminum alloy die casting machining, which relates to the technical field of aluminum alloy die casting machining and comprises a die casting machining and positioning and clamping device body, and a clamping disc mounting base is arranged at the bottom of the die casting machining and positioning and clamping device body. A clamping disc structure is arranged above the clamping disc mounting base, and an outer clamping structure is arranged in the clamping disc structure. The positioning column is arranged in the center of the clamping disc to help the axis of the die casting to be positioned, the sleeving column is connected to the axis of the die casting in a sleeving mode, axial positioning of the die casting is achieved, the positioning precision of machining of the aluminum alloy die casting is improved, and the motor on the top of the sleeving column is started to work; an output shaft drives a rotating shaft to rotate, so that a stirri