The utility model belongs to the technical field of waste plastic recycling and processing equipment, and provides a shredder for waste plastic recycling, comprising a frame provided with a crushing tank. A crushing roller driven by a driving device is rotatably mounted at one bottom end of the crushing tank. The crushing roller comprises a roller body and a plurality of detachably mounted crushing cutters on the roller body. A plurality of mounting grooves are formed on the roller body, and a mounting seat is fixedly mounted in each mounting groove, with a mounting hole formed on the mounting seat. The crushing cutters match the mounting grooves and are fixedly mounted on the mounting seats. Each crushing cutter is a cuboid with a concave surface matching the mounting groove, and four corners of the concave surface form four cutting edges. A mounting through hole is formed at the center of the crushing cutter, and in the mounted state, one cutting edge of the crushing cutter is exposed on the outer surface of the roller body. The utility model has a simple structure, prolongs the service life of each component, and reduces the use cost.

Country Code: CN

Application Number: CN201721160882.3