Device for replacing suction nozzle

The utility model provides a device for replacing a suction nozzle, which comprises a suction nozzle shaft seat (1), a suction nozzle installation assembly and a locking mechanism, the suction nozzle installation assembly comprises a suction nozzle installation sleeve (6) and a suction nozzle fixing sleeve (7) used for fixing a suction nozzle (8) on the suction nozzle installation sleeve (6), the suction nozzle installation sleeve (6) and the suction nozzle shaft seat (1) are detachably installed, and the locking mechanism is arranged on the suction nozzle shaft seat (1). And a locking mechanism is arranged on the suction nozzle shaft seat (1) and is used for controlling the mounting and dismounting between the suction nozzle mounting sleeve (6) and the suction nozzle shaft seat (1). The device has the beneficial effects that 1, the device is simple in structure, and the suction nozzle can be replaced without other tools; and 2, the device can also ensure the convenience and the accuracy of replacement each t