Water pump part injection mold

The utility model discloses a water pump part injection mold which comprises a movable mold panel, square iron, a shaping cavity, a movable mold plate body and a fixed mold plate body, the square ironis fixedly arranged on the top surface of the movable mold panel, the top surface of the square iron is connected with an ejector pin bottom plate, and the upper surface of the ejector pin bottom plate is connected with an ejector pin panel. The ejector pin panel and the ejector pin bottom plate are both penetrated by a first screw, the ejector pin panel is penetrated by a pin plate guide column,the outer surface of the pin plate guide column is sleeved by a first spring, the top surface of the square iron is penetrated by a return rod, and the top surface of the square iron is simultaneously penetrated by a second screw. According to the water pump part injection mold, when the ejector pin bottom plate and the ejector pin panel are driven by the ejector rod of the injection molding machine, the ejector pin botto