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    • 44. 发明授权
    • Pin-barrel extruder having adjustable pins
    • 针筒挤出机具有可调销
    • US4629326A
    • 1986-12-16
    • US754158
    • 1985-07-12
    • Felipe Huls
    • Felipe Huls
    • B29C48/395B30B11/24B29B1/06B01F7/08
    • B29C47/667B29C47/38B30B11/248B29C47/0009
    • A pin-barrel extruder of the type used for processing rubber or thermoplastics materials, for extracting liquids from liquid-solid mixtures and for pulping wood substances includes adjustment means which permit the depth of penetration of the pins, which project into the hollow barrel of an extruder, to be adjusted in a continuous manner. To achieve this, the pins are threadly located in throughbores provided in the barrel so that their radially outer ends project externally of the barrel. On the externally projecting end of each pin, a chain wheel or sprocket is provided which is driven by a chain drive. Actuation of the drive thus alters the depth of penetration of the pins in the barrel.
    • 用于加工橡胶或热塑性材料类型的针筒挤出机,用于从液 - 固混合物中提取液体和用于制浆木材物质包括调节装置,其允许突出到中空筒体中的销的深度穿透 挤出机,连续调节。 为了实现这一点,销被螺纹地设置在设置在筒中的通孔中,使得它们的径向外端从筒的外部突出。 在每个销的外部突出端,提供由链条驱动驱动的链轮或链轮。 驱动器的驱动因此改变了销在桶中的穿透深度。
    • 47. 发明授权
    • Extruder feed section
    • 挤出机进料段
    • US3929323A
    • 1975-12-30
    • US52381574
    • 1974-11-14
    • EGAN MACHINERY CO
    • SMITH DAVID J
    • B29B7/00B29C47/00B29C47/40B29C47/42B29C47/58B29C47/62B29C47/66B30B11/24B29B1/10
    • B30B11/248B29B7/42B29B7/484B29B7/60B29B7/826B29C47/0009B29C47/406B29C47/585B30B11/245
    • A single screw extruder for processing plastic material in particulate form which becomes soft and tacky during mechanical working, includes an extruder barrel and a feed section housing through which extends a bore in which is rotatable an extruder screw in said barrel and a main feed screw and an auxiliary feed screw in the feed section, with the main feed screw connected coaxially to said extruder screw. The feed section has a feed inlet at the end of said main feed screw opposite the extruder screw. The auxiliary feed screw has a helical groove whose helix is the reverse of the helix of the main feed screw and is held rotatably in mesh with the main feed screw by a retainer piece that extends through a slot in the feed section housing and has an arcuate groove in running contact with the auxiliary feed screw. The auxiliary feed screw is driven only by the power driven main feed screw and in the opposite direction, whereby to positively convey said plastic material from the feed inlet to said extruder screw, with a minimum of possibility of the material adhering to the feed screws.
    • 用于处理在机械加工期间变软和发粘的颗粒形式的塑料材料的单螺杆挤出机包括挤出机筒体和进料部分壳体,通过该挤出机筒体和进料部分壳体延伸出一个可旋转所述筒体中的挤出机螺杆的孔和主进料螺杆, 馈送部分中的辅助进给螺杆,主进给螺杆与所述挤出机螺杆同轴连接。 进料部分在所述主进料螺杆的与挤出机螺杆相对的端部处具有进料口。 辅助进给螺杆具有螺旋槽,螺旋槽的螺旋与主进给螺杆的螺旋相反,并且通过保持件保持与主进给螺杆可旋转地啮合,该保持件延伸穿过进给部分壳体中的槽,并且具有弓形 沟槽与辅助进给螺杆运行接触。 辅助进给螺杆仅由动力驱动主进给螺杆和相反方向驱动,从而将所述塑料材料从进料入口正确地传送到所述挤出机螺杆,材料粘附到进料螺杆的可能性最小。