Impeller pressing head of water pressing pump

The invention provides a water pressing pump impeller pressing head, and relates to the technical field of press machines, the water pressing pump impeller pressing head comprises a press machine, a supporting tool is fixedly installed on the upper surface of the press machine, a water pump semi-finished product is placed on the upper surface of the supporting tool, and a pressing head positioning shaft is fixedly installed on the inner wall of the press machine; a pressure head body is fixedly mounted on the lower surface of the pressure head positioning shaft, a guide rod is slidably sleeved with the pressure head body, the impeller body slides relative to the guide rod, the guide rod is slidably connected with the interior of the pressure head positioning shaft, the surface of the guide rod is slidably sleeved with the impeller body, and the surface of the guide rod is sleeved with a reset spring. The two ends of the reset spring are fixedly connected with the guide rod and the pressing head body respectiv