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本发明公开了一种复合共挤圆管状塑料灯罩挤出模具,它包括口模板、汇流板、过渡板和模体,其特征在于:还包括定位销、芯棒、小螺钉和若干个长螺钉,在口模板、汇流板、过渡板和模体之间设有自左向右贯通的主流道,模体右部的外圆表面上设有外螺纹,模体内孔的右端设有主进料口,汇流板上设有旁进料口和旁流道,口模板上设有圆孔和端面流道,端
The invention discloses a compound coextruded circular tubular plastic lampshade extruding mold, which comprises a die plate, a busbar, a transition plate and a die body, and is characterized by further comprising a positioning pin, a mandrel, a small screw and a plurality of long screws , In the mouth template, the busbar, the transition plate and the mold body is provided with a main runner from left to right through, the outer surface of the right part of the mold body is provided with an external thread, the right end of the mold body hole is provided with a main feed The port is provided with a bypass inlet and a bypass channel on the busbar, and the porthole template is provided with a round hole and an end channel,