Grinding roller and barley flatting mill for barley kernel processing

The utility model relates to the related technical field of barley flattening machines for processing barley kernels, in particular to a rolling roller and a barley flattening machine for processing barley kernels, the rolling roller comprises a rolling roller shaft, a roller, a conveying device and a shell, the rolling roller shaft is in positioning connection with the roller, and the rolling roller shaft is provided with a limiting piece for limiting the roller. Triangular protrusions arranged on the rollers are in concave-convex butt joint with triangular concave protrusions arranged on a conveying belt on the conveying device, and devices arranged on the shell play an auxiliary role in the working process of the grinding rollers. The limiting piece arranged on the grinding roller shaft can be inserted into the rectangular opening of the grinding roller shaft, the limiting effect of the limiting piece on the roller cannot be affected even if the bolt is loosened in the working process, the surfaces of the