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    • 5. 发明专利
    • Extruder
    • 挤出机
    • JPS5772837A
    • 1982-05-07
    • JP14975580
    • 1980-10-25
    • Matsushita Electric Works Ltd
    • OOKIDO MITSUHARUIDATE HIDENORIUSUI HIROAKI
    • B29B7/00B29C47/00B29C47/10B29C47/72
    • B29C47/725B29C47/0009B29C47/1054
    • PURPOSE:To prevent a bridging phenomenon from occurring at a hopper and to supply a material smoothly by a method wherein a portion of a resin softened in a cylinder barrel is molded into a spiral shape and the spiral shaped material is fed back into a hopper. CONSTITUTION:In the extruder, a nozzle 6 for molding a portion of the molten resin into a spiral shaped is provided at the cylinder barrel 1 part between a breaker plate 5 and the tip part 4a of a screw vane, and a connecting pipe 9 made of a metallic net for connecting the nozzle 6 and the hopper 2 is provided. The spirally shaped molding material 12a extruded from the nozzle 6 is passed through the connecting pipe 9, a fitting hole 2a of the hopper 2 and a lower part 2b of the hopper 2, then it is drawn into the cylinder barrel 1 while being wounded around a screw 4. Accordingly, the molding material 12 contained in the hopper 2 is forcibly fed into the barrel 1, so that the arching phenomenon which will hinder the supply of a contact amount of the material 12 can be prevented.
    • 目的:为了防止在料斗处发生桥接现象,并且通过其中将在筒筒中软化的树脂的一部分模制成螺旋形状并将螺旋形材料反馈回料斗的方法平滑地供给材料。 构成:在挤出机中,将一部分熔融树脂成形为螺旋状的喷嘴6设置在破碎板5与螺旋叶片的末端部分4a之间的筒筒1部分和连接管9 设置用于连接喷嘴6和料斗2的金属网。 从喷嘴6挤出的螺旋状成型材料12a通过连接管9,料斗2的装配孔2a和料斗2的下部2b,然后被吸入缸筒1同时受伤 因此,容纳在料斗2中的成型材料12被强制地供给到筒体1中,从而可以防止妨碍材料12的接触量的供给的拱形现象。