Rotary plasma gun head

The utility model relates to the technical field of plasma surface treatment, in particular to a rotary plasma gun head which comprises a main body, a bearing upper pressing plate and a bearing lower pressing plate are arranged on the main body, a bearing is arranged between the bearing upper pressing plate and the bearing lower pressing plate, the rotary plasma gun head further comprises a rotary mechanism, the rotary mechanism is installed on the main body, and the rotary mechanism is installed on the main body. The two ends of the rotating mechanism are fixedly connected with the bearing and the cylinder body respectively, and a rotating plasma spray head is installed at one end of the cylinder body; and the discharging mechanism penetrates through the rotating mechanism and extends into the cylinder body, and an air pipe connector is arranged on the discharging mechanism. Compressed air can be activated and separated into a plasma state through the rotary plasma gun head and the discharging mechanism, the