Device and method for solving large-size directional blade tenon equiaxed crystal

The invention relates to the technical field of blade casting, in particular to a device and method for solving large-size directional blade tenon equiaxed crystals, which comprises a mold shell, a clamping base, a material distributing mechanism and a cotton pasting mechanism, the upper part of the mold shell is a tenon part, the lower part of the mold shell is a blade part, and the blade part comprises an air inlet edge, an air outlet edge, a blade basin and a blade back; the bottom of the mold shell can be fixed to the clamping base, the distributing mechanism comprises a sliding rail, a feeding frame, a feeding roller and a cutting knife set, the sliding rail is fixed to the clamping base and arranged on one side of the mold shell, the feeding frame is installed on the sliding rail in a sliding mode, the feeding roller is rotatably installed at the front end of the feeding frame, and the cutting knife set is close to the circumferential face of the feeding roller; and the cotton pasting mechanism comprise