Multifunctional carrier roller device and control method thereof

The invention provides a multifunctional carrier roller device and a control method thereof. The multifunctional carrier roller device comprises a motion mechanism and a controller, wherein the motionmechanism comprises a supporting frame, a drive assembly and a carrier roller rack assembly; the carrier roller rack assembly comprises a movable plate, a carrier roller unit and a turnover unit; thecarrier roller unit is fixedly connected to the movable plate; the turnover unit is rotatably connected to the movable plate; under action of the drive assembly, the movable plate is in sliding connection to the supporting frame through a guide rail pair; the drive assembly comprises a first gas cylinder and a first servo motor; the first gas cylinder bears a first preset proportion value of total weight of a tube and the carrier roller rack assembly; the first servo motor bears a second preset proportion value of total weight of the tube and the carrier roller rack assembly; and the first servo motor and the first ga