Surface roughening machining jig for special-shaped multi-face part

The utility model discloses a surface roughening processing jig for a special-shaped multi-surface piece, which comprises a sand blasting machine, a fixed pedestal is arranged below the sand blasting machine, a sand blasting piece is detachably connected on the fixed pedestal, the sand blasting piece comprises a plurality of sand blasting surfaces, and the sand blasting surfaces are arranged on the fixed pedestal. And the sand blasting piece is detachably connected with a plurality of shielding jigs capable of shielding the corresponding sand blasting surfaces. The utility model provides the surface roughening processing jig for the special-shaped multi-surface part, which can adaptively shield the sand blasting part in the sand blasting process, so that the precision control can be singly carried out on sand blasting surfaces in different directions, the influence on other sand blasting surfaces in the sand blasting process is avoided, and the sand blasting precision control on the sand blasting surfaces is