Metal powder collecting device for metal processing

The invention discloses a metal powder collecting device for metal processing in the technical field of metal powder collecting devices, and the metal powder collecting device comprises a machine body. A first filter box can be inserted into a clamping groove formed in the inner side of a filter box through a third elastic piece and a fourth elastic piece arranged on first clamping strips on the two sides of the first filter box; in the same way, the second filter box can be respectively and elastically extruded and fixed with the first elastic piece and the second elastic piece through a fifth elastic piece and a sixth elastic piece which are arranged on second clamping strips on the two sides, so that the first filter box is fixed in the filter box, and the second filter box is fixed in the filter box through the second elastic piece and the second elastic piece which are arranged on the second clamping strips on the two sides. By means of the fixing mode of the first filter box and the second filter box, t