PVC dry-process artificial leather production line capable of realizing three-coating and three-drying

The utility model relates to the technical field of artificial leather. The utility model discloses a PVC dry-method artificial leather production line capable of realizing three-coating and three-drying. The production line comprises a release paper winding machine, a first coating machine, a first drying box, a first cooling machine, a second coating machine, a second drying box, a second cooling machine, a third coating machine, a third drying box, a third cooling machine, a laminating machine and a sol mixing barrel which are arranged in sequence, a plurality of feeding pipes are uniformlyand fixedly communicated with the side wall of the upper end of the sol mixing barrel; a raw material barrel is inserted into the feeding pipe; the inner walls of the upper and lower opposite sides of the raw material barrel are rotationally connected with the same rotating rod, the upper end of the raw material barrel is fixedly connected with a driving motor, the lower end of the rotating rod penetrates through the low