The present invention discloses an extrusion blow molding machine die head convenient for color change, comprising a material storage mechanism. The material storage mechanism comprises a die head upper cover, a spreader is coaxially arranged inside the die head upper cover, a diversion ring is arranged between the spreader and the die head upper cover, and a flow channel structure is arranged between the diversion ring and the spreader. The flow channel structure comprises a primary flow channel, the primary flow channel is communicated with a feed pipeline, the outlet of the primary flow channel is communicated with a plurality of secondary flow channels, the outlets of the plurality of secondary flow channels are respectively communicated with a plurality of tertiary flow channels, the outlets of the plurality of tertiary flow channels are respectively communicated with a first spiral extrusion flow channel, the outlet of the first spiral extrusion flow channel is communicated with a buffer flow channel, and the outlet of the buffer flow channel is communicated with a plurality of second spiral extrusion flow channels. The present utility model can ensure stable fluidity of materials in the flow channel structure, and when replacing materials of a new color, residual materials of other colors in the flow channel structure can be quickly discharged, preventing color difference in the subsequently extruded materials.
Country Code: CN
Application Number: CN202222799837.X
