Plastic particle mixer

The utility model discloses a plastic particle mixer, which relates to the technical field of plastic particle auxiliary mixing and comprises a support frame and a horizontal stirring tank, a sealing plate is fixedly mounted at the upper end of the horizontal stirring tank, a cleaning mechanism is arranged at the upper end of the sealing plate, a mixing mechanism is arranged at the upper end of the support frame, and the cleaning mechanism comprises a base, a bidirectional screw and two groups of U-shaped scraping blocks. A two-way motor is fixedly installed at the upper end of the base, concave shells are fixedly installed at the positions, close to the front edge and the rear edge, of the upper end of the sealing plate, threaded seats are in threaded connection with the positions, close to the two side edges, of the outer side wall of the two-way screw, and connecting rods are fixedly installed at the front ends and the rear ends of the two threaded seats. According to the utility model, residual plastic pa