Ink-jet printer capable of automatically cleaning nozzle

The utility model discloses an ink-jet printer capable of automatically cleaning a nozzle, which comprises an ink-jet printer main body, one side of the ink-jet printer main body is provided with an ink-jet head, and one side of the ink-jet printer main body is fixedly connected with an outer frame body. According to the ink-jet printing machine capable of automatically cleaning the nozzle, the waste water tank, the water pump, the clean water tank, the nozzle, the first fixing plate and the second fixing plate are arranged to form a cleaning structure, the water pump is started to spray clean water out through the porous nozzle, the ink-jet printing head is washed through water flow, the operation process is simple, and workers can conveniently and rapidly clean the ink-jet printing head; the head of the code spraying head is protected through the outer frame body, damage caused by external collision is avoided, a mounting structure is formed by arranging a fixing ring, a first bolt, a fixing block, an anti-