Automatic cleaning device for ring hammer crusher, and ring hammer crusher

An automatic cleaning device for a ring hammer crusher, and a ring hammer crusher having the automatic cleaning device are provided. The automatic cleaning device comprises an automatic cleaning assembly (4) at the back of a feeding opening (6) of a crushing chamber (1) on a crusher; the automatic cleaning assembly (4) comprises a material meeting disk (401) and a cleaning blocking rod (402); the material meeting disk (401) is connected to a drive part and is driven by the drive part to rotate, and the cleaning blocking rod (402) is fixed on the crushing chamber (1) and cooperates with a material meeting surface of the material meeting disk (401) for cleaning. The ring hammer crusher having the automatic cleaning device has a simple structure and convenient operation, thus improving cleaning effect.