Pharmaceutical filling machine with high processing precision

The utility model provides a pharmaceutical filling machine with high processing precision, which relates to the technical field of pharmaceutical filling machines and comprises a worktable, a conveyor belt arranged on the tabletop of the worktable, a filling machine fixedly mounted on one side of the worktable, a round hole formed in the tabletop of the worktable, an air cylinder fixedly mounted at the bottom end of the worktable, and a tray rack fixedly mounted at the top end of the air cylinder. A round frame is arranged at one end of the tray frame, a cross-shaped frame is connected into the tray frame, U-shaped through grooves are formed in four frame body parts of the cross-shaped frame, a fixing head is arranged at the center of the cross-shaped frame, a rotating disc is rotationally connected to the outer side of the top end of the fixing head, and four sets of spiral through grooves of the same structure are formed in the surface of the rotating disc. Sliding blocks are movably installed in the four