Fuente: WIPO "hemp" The invention relates to a patting device for separating ground sesame seed oil, which comprises a container with an arc-shaped bottom, an oil overflow port is formed in the circumferential wall, close to the open end, of the container, and a flow baffle plate arranged in the circumferential direction of the inner wall of the container is arranged on the inner side of the container and located below the oil overflow port of the container. The flow baffle plate is an arc-shaped plate which is bent from the side wall of the container to the center of the container and has an upward convex surface. According to the invention, floating oil can be gathered while materials are patted, the content of hemp residues in the oil can be effectively reduced, and the purity of crude oil is improved.