A transport device and a transport machine tool. The transport device (10) comprises: a rack (100); at least two rotating rollers (200) which are mounted on the rack (100) for transporting a workpiece; and a blocking device (220) which is mounted on the rack (100), and is retractably provided in a gap between adjacent rotating rollers (200). By providing a retractable blocking device (220) between adjacent rollers (200), the present invention can effectively and automatically block a workpiece to stop same, without frequently starting and stopping a motor, thereby prolonging the service life of the motor.