Four-axis robot MD32180, with a radius of 3.2 meters and a load capacity of 180KG. The first and fourth axes can rotate ±360 degrees, facilitating layout. Six pallets can be placed around the robot. The speed can reach 5 degrees per cycle, with a single-package palletizing rate of 720 packages per hour. The gripper can be modified to a double-package gripper to improve efficiency; it is easy to operate. After the teaching programming is completed, the operator only needs to select the program and start it, and the robot will automatically palletize upon receiving the signal; safety guardrails are equipped around the robot to prevent work-related injuries caused by personnel entry.