Pineapple milling cutter for processing carbon fiber composite material

The pineapple milling cutter comprises a cutter body, a cutter neck and a cutter handle, the cutter neck is conical, the tail end of the cutter neck is connected with the cutter handle, and the front end of the cutter neck is connected with the cutter body; four spiral cutting faces are arranged on the periphery of the cutter body and extend backwards from the end face of the cutter body, a chip groove is formed between every two adjacent spiral cutting faces, and the included angle between each chip groove and the axis of the cutter body is 7 degrees. A plurality of cutter teeth distributed in an array mode are arranged on the spiral cutting faces, the cutter teeth are staggered in the axial direction and the radial direction, the blade portions of the cutter teeth of the adjacent spiral cutting faces are crossed in the left-right direction, and the cutting tracks of the cutter teeth are overlapped in a staggered mode; the pineapple milling cutter can effectively restrain the defects of layering, burrs, tear