Motor punching sheet large and small groove machining unit

The utility model relates to a motor punching sheet large and small groove processing unit, belongs to the technical field of motor punching sheet processing, and solves the technical problems that different groove shape arrangements cannot be adjusted on the same die, the automation degree is not high and the like in the traditional motor punching sheet groove processing. According to the solution, the motor punching sheet large and small groove machining unit comprises a control system, an installation truss arranged in the horizontal direction, a material taking and placing mechanical arm device, a to-be-machined punching sheet station, a stator punching sheet notching die, a stator punching sheet station, a rotor punching sheet notching die and a rotor punching sheet station, and the material taking and placing manipulator device is arranged on the mounting truss, and picks up the to-be-processed punching sheet placed in the to-be-processed punching sheet station. The stator punching sheet notching die is