Dust removal device for putty powder production

The utility model discloses a dust removal device for putty powder production, and relates to the technical field of putty powder production, the dust removal device comprises a crushing barrel, electric telescopic parts are symmetrically and fixedly mounted on the side walls of the two ends of the crushing barrel, a cover plate is connected between the telescopic ends of the tops of the two electric telescopic parts, and a crushing part is mounted at the top of the cover plate; a dust collecting box is mounted on the side wall of the crushing barrel, a dust suction fan is mounted at the communicating position of the dust collecting box and the crushing barrel, an L-shaped mounting plate is fixedly connected to the side wall of an inner cavity of the dust collecting box, and four sets of filtering pieces are slidably arranged on the L-shaped mounting plate at equal intervals; and a plurality of groups of limiting pieces matched with the filtering pieces are mounted at the top of the dust collecting box. Dust