Fecha de publicación: 26/07/2022 Fuente: WIPO "hemp" The grinding machine comprises a grinding box, a grinding and discharging assembly and a collecting assembly, the grinding and discharging assembly is arranged in a box body, the collecting assembly is arranged in the box body, and the collecting assembly is arranged on the lower portion of the grinding and discharging assembly. The grinding and discharging assembly comprises a feeding pipe, an elastic connecting pipe, a supporting column, a supporting block, a sliding block, a box body, a first spring, a vibration motor, a supporting plate, a first motor, a main rotating column, a main belt wheel, a main grinding wheel, an auxiliary rotating column, an auxiliary belt wheel, an auxiliary grinding wheel and a connecting belt. The collecting assembly comprises a material receiving disc, a mesh screen plate, a connecting pipe, a collecting box, a second spring, a second motor, a cam and a collecting pipe. The utility model belongs to the technical field of grinding, and particularly relates to a grinding machine for hemp colored stones, which is used for quickly grinding the hemp colored stones and quickly collecting the ground hemp colored stones and residual hemp colored stones in a grinding box.