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一种多层塑料建筑模板用挤出模头,包括模体、模芯及进料口;模体上依次设有上表层料通道、芯层料上流道、芯层料下流道及下表层料通道;上述各通道与进料口相连通,模体的前端设有复合共挤通道;模芯的前端对应模体的复合共挤通道位置设有成排设置的至少三个的芯棒;芯层料上流道及芯层料下流道的出口段与复合共挤通道连通形成Y型结构;上表层料通道和下表层料通道的出口段分别垂直于复合共挤通道的
A multi-layer plastic building template with an extrusion die comprises a mold body, a mold core and a feed inlet; the upper body material passage, the upper material passage, the lower material passage and the lower material layer The front end of the mold body is provided with a composite coextrusion channel; the front end of the mold core is provided with at least three core rods arranged in rows at the position of the compound coextrusion channel of the mold body; The outlet of the upper runner of the material layer and the lower runner of the core material layer are in communication with the composite co-extruding passage to form a Y-shaped structure; the outlet sections of the upper surface material passage and the lower surface material passage are perpendicular to the composite co-