Mold core cleaning jig for coating machine

The utility model provides a mold core cleaning jig for a coating machine, which is high in cleaning efficiency and dustproof efficiency. The supporting frame comprises two hollow vertical supports, hollow upper cross beams, lower cross beams, transverse baffles and two lower supports, wherein the two hollow vertical supports are vertically arranged from the intersection vertex of the two similar triangular supports to the lower center, the hollow upper cross beams are arranged at the top ends and the bottom ends of the two similar triangular supports, the transverse baffles are arranged at the lower ends of the two sides of the two similar triangular supports, and the two lower supports are arranged at the bottom ends of the two similar triangular supports. The two ends of the upper cross beam are connected with the two ends of the two transverse baffles; the side dust boards are inserted into a frame consisting of a vertical bracket, an inclined bracket and a lower bracket; the cleaning plate is inserted in