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    MULTI-SCREW, EXTRUSION-COMPOUNDING MACHINE WITH MODULAR MIXING ELEMENTS
    8.
    发明公开
    MULTI-SCREW, EXTRUSION-COMPOUNDING MACHINE WITH MODULAR MIXING ELEMENTS 失效
    MEHRSCHRAUBENEXTRUSIONSMENGVORRICHTUNG MIT MODULAREN MISCHELEMENTEN

    公开(公告)号：EP0764074A4

    公开(公告)日：1997-10-15

    申请号：EP95921588

    申请日：1995-06-01

    申请人： FARREL CORP

    发明人： VALSAMIS LEFTERIS N ,  CANEDO EDUARDO L ,  PEREIRA JOSE M ,  POSCICH DOUGLAS V

    IPC分类号： B29B7/46 ,  B29B7/48 ,  B29C47/40 ,  B29C47/60

    CPC分类号： B29C47/0825 ,  B29B7/465 ,  B29B7/483 ,  B29C47/0009 ,  B29C47/0861 ,  B29C47/402 ,  B29C47/60

    摘要： Multi-screw, extrusion-compounding machines (20) having co-rotating screw assemblies (21, 22) incorporating sets of modular mixing elements (51, 52, 53, 54) of non-symmetrical geometries with relatively large wing tip clearances are disclosed. These sets of non-symmetrical modular mixing elements (51, 52, 53, 54) are removably mountable at any suitable axial locations along their respective rotationally-driven screw shafts (30) for optimizing performance in relationship to particular plastic material and particular additives being compounded. The non-symmetrical geometries provide dynamic wedging pressurization for repeatedly propelling relatively large circumferential flows of the plastic material through large shear clearances. Due to the relatively large shear clearances, the plastic material is mixed at less elevated and more uniform temperatures than usually occurs with use of prior symmetrical kneading blocks or kneading discs. At less elevated temperatures most plastic materials exhibit increased viscosities. Thus, the resultant increased viscosities enable the plastic material to be processed at higher shear stresses for enhancing dispersive mixing, in spite of the relatively large clearances.

    摘要翻译： 公开了具有共同旋转的螺杆组件（21,22）的多螺杆挤出混配机器（20），其包括具有相对大的翼尖间隙的非对称几何形状的多组模块化混合元件（51,52,53,54） 。 这些非对称模块化混合元件组（51,52,53,54）可拆卸地安装在沿着它们各自的旋转驱动螺杆轴（30）的任何合适的轴向位置处，以便优化与特定塑料材料和特定添加剂相关的性能 复杂。 非对称几何形状提供了动态楔入加压，以通过大的剪切间隙反复推动塑性材料的相对较大的周向流动。 由于相对较大的剪切间隙，塑料材料在比通常使用现有对称捏合块或捏合盘时发生的升温更低且温度更均匀的情况下进行混合。 在较低的高温下，大多数塑料材料表现出增加的粘度。 因此，所得到的增加的粘度使塑料材料能够在更高的剪切应力下加工，以增强分散混合，尽管间隙相对较大。

    Methods of constructing paddle and shaft assemblies for twin screw mixer and/or processors and the resulting apparatus
    10.
    发明公开
    Methods of constructing paddle and shaft assemblies for twin screw mixer and/or processors and the resulting apparatus 失效
    一种用于制备和桨轴组件为双螺杆混合和/或处理装置，将所得装置的过程。

    公开(公告)号：EP0637696A1

    公开(公告)日：1995-02-08

    申请号：EP94101669.3

    申请日：1994-02-03

    申请人： APV CHEMICAL MACHINERY INC.

    发明人： Kowalczyk, James E. ,  Loomans, Bernard A.

    IPC分类号： F16D3/06 ,  B01F15/00

    CPC分类号： B29B7/483 ,  B29C47/6056 ,  Y10T29/49945

    摘要： A method of constructing or reconstituting a shaft (12) and paddle (22) assembly for mixers and processors wherein radially aligned paddles on parallel shafts revolving at the same speed in the same direction of rotation both co-wipe and completely wipe the interior of the barrel of the mixer or processor which has a mixer chamber comprising interconnecting cylindrical bores. The co-wiping paddles are formed with paddle bores (BR) of a configuration comprising alternating lobular projections (38) and root recesses (39), and arcuate corner portions (43) on the lobular projections and root recesses. The arcuate corner portions of the projections are tangential to the arcuate corner portions of the root recesses. The shafts are formed with intermeshing matching projections and root recesses.

    摘要翻译： 用于混频器或处理器轴和桨组件，其具有径向对准的上平行的轴以相同的速度和助擦拭共旋转和擦拭的混合室的内部构造或通过形成具有桨伯利斯共擦拭桨（BR）再生桨 具有交替的小叶投影和根凹部相切的弧形角部。 桨叶被安装在轴与啮合匹配预测和被安装在间隔开的平行关系根的凹部，同心地在混合器筒孔腔，它们的轴线隔开一个预定的中心到中心的距离分开以实现与叶片完整混合器室擦拭器 ，