Automatic smokeless barbecue machine

The utility model relates to an automatic smokeless barbecue machine which comprises a machine shell, a rotating device and a heating device. The rotating device comprises a bearing body, a transmission shaft installed inside the bearing body, a rotating seat and a reversible speed adjusting motor which are connected with the upper end of the transmission shaft and the lower end of the transmission shaft respectively, and a bakelite connector which is sleeved on the transmission shaft. The heating device comprises an open-type bearing cover, a connecting plate, a heat collecting cover and a ceramic heating plate which is vertically arranged. A convex block is arranged at the back portion of the ceramic heating plate. A through hole which is matched with the convex block is formed in the heat collecting cover, the convex block penetrates through the through hole and is fixed on the heat collecting cover through a connecting piece, the connecting plate is further arranged on the opposite face of the heat collec