Taking a train from Shangai to Wuhu(ANHUI)

In september I am flying to Pudong Airport in Shangai and from there I am going to Wuhu (Anhui Province). Then I would like to know which train station do I have to go. I search for a train option here and I found the train number K8418 which does the way from Shangai to Wuhu. Which station do I have to take it? Can I buy the ticket few hours before the depart or just have to book very early? Is easy and safe to get a taxi from Pudong Airport? Thank you!