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    • 4. 发明申请
    • INJECTION MOLD OF A PLASTIC PREFORM
    • 塑料预制件的注塑模具
    • WO2014111905A3
    • 2014-11-20
    • PCT/IB2014058439
    • 2014-01-21
    • SIPA PROGETTAZIONE AUTOMAZ
    • ZOPPAS MATTEOARMELLIN ALBERTOSERRA SANDROVARASCHIN MICHELE
    • B29B11/08B29B11/12B29C45/56
    • B29C45/1761B29B11/08B29B11/12B29C45/02B29C45/06B29C45/27B29C45/42B29C45/54B29C45/561B29L2031/757
    • An injection mold (9') of a plastic preform comprising a first part (12) and a second part (13), fixed to each other, and a third part (14); wherein the third part (14) is provided with a molding cavity (41') defining an axis (&Ugr;') and is adapted to be integrally fixed to a first surface of a supporting frame of the mold; wherein the second part (13), arranged between the third part and the first part, is adapted to slide along said axis to close or open the cavity; wherein the first part (12) comprises a longitudinal rod (55) adapted to slide along said axis (&Ugr;') through a second surface of the supporting frame, opposite to and spaced apart from the first surface; wherein the second part (13) is provided with: - a guiding cage comprising a first plate (18), provided with a through hole through which the longitudinal rod can slide and configured to abut on said second surface; a structure (18"); parallel guiding rods (16) fixed at a first end thereof to said first plate and fixed at a second end thereof to the structure, - an assembly (19, 18', 49) sliding inside said cage, fixed at a first end thereof to the rod by means of quick-coupling means (15), and comprising at a second end thereof a punch (59) sliding inside the structure and defining a first complementary component of the cavity, wherein the structure (18") is provided with two half-collars (66', 66") and is configured so as to define, together with the punch, a cam system for opening or closing the two half-collars which define, when closed, a second complementary component of the cavity.
    • 包括彼此固定的第一部分(12)和第二部分(13)的塑料预成型件的注射模具(9')和第三部分(14); 其中所述第三部分(14)设置有限定轴线(&Ugr;')的模制腔(41'),并且适于一体地固定到所述模具的支撑框架的第一表面; 其中布置在第三部分和第一部分之间的第二部分(13)适于沿着所述轴线滑动以关闭或打开空腔; 其中所述第一部分(12)包括纵向杆(55),所述纵向杆(55)适于沿着所述轴线(&Ugr;')滑动通过所述支撑框架的与所述第一表面相对并与所述第一表面间隔开的第二表面; 其中所述第二部分(13)设置有: - 引导笼,包括具有通孔的第一板(18),所述纵向杆可以通过所述通孔滑动并构造成抵靠所述第二表面; 一个结构(18“);平行的引导杆(16),其第一端固定在所述第一板上,并在其第二端固定在所述结构上;一个在所述笼内滑动的组件(19,18',49) 通过快速联接装置(15)在其第一端固定到杆上,并且在其第二端包括在结构内滑动并限定空腔的第一互补部件的冲头(59),其中结构 18“)设置有两个半环(66',66”),并且被构造成与冲头一起限定用于打开或关闭两个半环的凸轮系统,其在闭合时限定第二半环 腔的互补部件。
    • 9. 发明申请
    • AN INJECTION MOLDING SYSTEM INCLUDING A MELT FILTER, THE FILTER BEING LOCATED BEFORE FIRST INSTANCE OF MELT ACCUMULATION
    • 包括熔融过滤器的注射成型系统,第一次进行熔融累积之前的过滤器
    • WO2010148478A1
    • 2010-12-29
    • PCT/CA2010/000780
    • 2010-05-28
    • HUSKY INJECTION MOLDING SYSTEMS LTD.CRAIG, Denise, DavinaZHANG, Raymond, Weiping
    • CRAIG, Denise, DavinaZHANG, Raymond, Weiping
    • B29C45/17B29C45/47
    • B29C45/54B29C45/17B29C45/542B29C2045/545
    • There is provided an injection unit. The injection unit comprises an extruder that is structured to continuously melt, in use, a molding material; a nozzle that is connectable, in use, to a mold; a melt accumulator that is structured to selectively buffer and transfer, in use, the molding material towards the nozzle, the melt accumulator including a first melt accumulator and a second melt accumulator selectively connectable to the extruder via a distribution assembly, and wherein each of the first melt accumulator and the second melt accumulator defines a respective melt accumulation volume; the melt accumulation volume being configured to accumulate and hold, for a first time after being molten by the extruder a volume of molding material sufficient to transfer for downstream processing; a melt filter placed before the melt accumulation volume, such that the molding material if subjected to filtering prior to entering the melt accumulation volume, the melt filter being configured to remove contaminants from the molding material.
    • 提供了一个注射单元。 注射单元包括挤出机,其被构造成在使用中连续熔化模制材料; 在使用中可连接到模具的喷嘴; 一种熔体储存器,其被构造成在使用中选择性地将所述模制材料缓冲并转移到所述喷嘴,所述熔体储存器包括第一熔体储存器和通过分配组件选择性地连接到挤出机的第二熔体储存器,并且其中 第一熔体储存器和第二熔体储存器限定相应的熔体积聚体积; 所述熔体积聚体积被构造成在被所述挤出机熔融之后第一次累积并保持足够的转移量用于下游处理的模制材料; 熔融过滤器放置在熔体积聚体积之前,使得模制材料如果在进入熔融体积之前经过过滤,则熔融过滤器构造成从成型材料中去除污染物。