The invention discloses a conveying device convenient to maintain and a turning machine. The conveying device comprises a conveying frame, a conveying belt and a driving mechanism, wherein the conveying belt is arranged on the conveying frame and is driven by the driving mechanism to do rotary motion; the bottom end of the conveying frame is provided with a receiving plate and first baffle plates,and the two sides of the conveying frame are respectively provided with the first baffle plates; the receiving plate and the first baffle plates are detachably connected with the conveying frame in adetachable mode; the receiving plate and the first baffle plates extend in a conveying direction; and the two first baffles and the receiving plate jointly define a space for the conveying belt to dorotary motion. The turning machine comprises a machine body and a baffle detachable conveying device, wherein the conveying frame is fixed with the machine body. According to the conveying device, the first baffle plates and the receiving plate at the bottom end of the conveying frame are detachably connected with the conveying frame in a detachable mode, so that later maintenance is facilitated.