Filling head cleaning device of automatic filling machine

The utility model provides a filling head cleaning device of an automatic filling machine, which is used for solving the problems that the existing filling head is inconvenient to clean and the product quality is influenced. A filling head cleaning device of an automatic filling machine comprises a filling head, the filling head is connected with the telescopic end of a first hydraulic cylinder, an annular pipe is arranged on the filling head, a plurality of water outlet pipes are arranged on the annular pipe, a water collecting tank is arranged below the filling head, one side of the water collecting tank is connected with a fixing column through a second hydraulic cylinder, and a cleaning tank is arranged on the other side of the water collecting tank. A hollow pipe driven by a hollow shaft motor is arranged on the water collecting tank, cotton slivers are arranged on the inner wall of the hollow pipe, a cleaning shaft is arranged in the hollow pipe through a connecting rod, and a scraper is arranged on the