Special die for on-line extrusion of multi-layer composite PVC (polyvinyl chloride) floor

The utility model discloses a special die for on-line extrusion of a multi-layer composite PVC (polyvinyl chloride) floor. The special die comprises a lower die mechanism and an upper die mechanism mounted on the lower die mechanism, wherein the lower die mechanism comprises a lower die body, supporting legs are fixedly connected to the two sides of the bottom of the lower die body, and a mounting shell is fixedly connected to the center of the bottom of the lower die body. According to the mold special for online extrusion of the multi-layer composite PVC floor, the lower mold mechanism and the upper mold mechanism are matched with each other, the floor subjected to injection molding can be conveniently ejected out, during ejection, only a servo motor needs to be started, the servo motor drives a driving shaft to rotate, and therefore a cam can be driven to extrude a connecting rod; therefore, the ejector rod can be driven to move upwards, the formed floor inside the lower die body can be ejected out through