The utility model discloses an automatic sesame spills mechanism, including frame, moulded die carousel, speed reducer supporting, gear motor and container. The moulded die carousel includes a plurality of forming blocks that are located same contour, and the moulded die carousel passes through transmission to be fixed in the frame, and the forming block rotates along with the moulded die carousel, the speed reducer supporting is Z shape structure, and its bottom plate passes through bolt no. 1 to be fixed in the frame top, and gear motor passes through bolt no. 3 to be fixed on speed reducer supporting roof, and the roof below is fixed with the fixed disk through bolt no. 2, is equipped with on the fixed disk to throw the material hole, the container is connected on the fixed disk, the container embeds the setting gauge, the end is sieved for detachable in its bottom, the setting gauge is connected with the gear motor axle head, and gear motor changes at the forming block that the time to drive the setting gauge to the container below rotatory, the sesame that is in the sieve end fall through the sieve mesh under the setting gauge effect to the forming block on fever cake blank on the surface. The utility model discloses automatically, spill the sesame burning the cake blank surface, spill evenly, efficient.