The invention discloses a multipurpose rust removal device and relates to rust removal equipment. An automatic feeding device, an automatic rust removal device and a guide mechanism are arranged on an equipment base (31), wherein the automatic feeding device is of a spiral type structure; the automatic feeding device with the spiral type structure is used for obtaining rotary feeding of a material to be subjected to rust removal (40); a variable-frequency motor (18) is connected to a steel brush of the automatic rust removal device through a transmission system; and the automatic feeding device is controlled by a variable-frequency speed reducer (24). The multipurpose rust removal device is simple in structure, is reasonable in layout, and is convenient to operate, further realizes degree of mechanization of automatic rust removal of a metal material, and is beneficial for being popularized and applied in the material processing industry.