Cross-linking agent mixing device for melt spinning of spandex

The cross-linking agent mixing device comprises a box body, a first stirring assembly and a second stirring assembly, the first stirring assembly comprises a rotating rod rotationally connected to an inner cavity of the box body, one end of the rotating rod is driven by a driving part, and the other end of the rotating rod is fixedly provided with a first spiral stirring blade; the first spiral stirring blade is arranged along the length direction of the inner cavity of the box body; the second stirring assembly comprises a rotating cylinder rotationally connected to the inner cavity of the box body, the two ends of the rotating cylinder are open and cover a rotating rod, a transmission part is arranged between the inner wall of the rotating cylinder and the rotating rod, a second spiral stirring blade is fixedly installed on the outer wall of the rotating cylinder, and the first spiral stirring blade covers the second spiral stirring blade; the spiral direction of the first spiral stirring blade is opposite