The helical gear transmission sorting machine (displacement type) adopts a servo motor gear structure, with a strong service life. It is independently developed for mold opening and production in any combination, easy to disassemble, easy to maintain, and has obtained national patent products, with advantages in quality, price, and service; The speed is adjustable from 0 to 2.2 meters per second, with a comprehensive production capacity of 3000-8000 units per hour; The minimum sorting size is 50 * 50mm, with a load capacity of 30 kilograms/cubic meter; Steering control from 0 to 360 °; Supports IO control and 485 docking with external systems.