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    • 6. 发明公开
    • 진공 압출가공 시스템 및 방법
    • 真空挤出系统和方法
    • KR1020000029938A
    • 2000-05-25
    • KR1019997001163
    • 1997-08-11
    • 오웬스 코닝
    • 라이틀로저디쌔딘스키로버트엘링컨로버트엠
    • B29C44/34
    • B29C44/3407B01J3/006B01J3/03B29C44/3403B29C47/0009B29C47/34B29C47/884B29C47/8895B29C47/90B29C47/905B29C47/92B29C2947/92104B29C2947/92428B29C2947/92476B29C2947/926B29C2947/92923B29C2947/92971
    • PURPOSE: A vacuum extrusion system and method is provided which includes a telescoping section providing a more compact line and easier access to the complex equipment downstream of the die CONSTITUTION: A horizontal vacuum extrusion line includes a fixed bulkhead(23), a die(24) inside the bulkhead, a telescoping vacuum chamber section(27) and a fixed chamber section(28,29). A dam(33) in the fixed section forms a pond(72) for immersion cooling of the extrudate. A truss(35) extends from the dam to the bulkhead supporting, shaping and calibration equipment and extends through the telescoping section. Fluid pressurizable seals at each end of the telescoping section are operable after the telescoping section is closed against the bulkhead and the telescoping and fixed sections are locked together. The extrudate from the die passes down into the pond and then through an orifice(74) in a hood(75) projecting from the chamber into a lower level portion of the pond exposed to atmosphere. The hood also includes a tractor drive to push the extrudate through the underwater orifice. The hood and its contents are accessible through the atmospheric pond. The higher level of the pond within the chamber downstream of the dam is controlled by a valve in turn controlling the output of a pump.
    • 目的:提供一种真空挤压系统和方法,其包括提供更紧凑的线并且更容易地进入模具下游的复杂设备的伸缩部分构成:水平真空挤压生产线包括固定隔板(23),模具(24) ),可伸缩的真空室部分(27)和固定室部分(28,29)。 固定部分中的坝(33)形成用于浸渍冷却挤出物的池(72)。 桁架(35)从大坝延伸到隔板支撑,成型和校准设备并延伸穿过伸缩部分。 伸缩部分的每端处的流体可加压密封件在伸缩部分相对于舱壁关闭并且伸缩和固定部分被锁定在一起之后是可操作的。 来自模具的挤出物向下流入池塘中,然后通过从腔室突出到暴露于大气的池塘的下部分的罩(75)中的孔口(74)。 发动机罩还包括一个拖拉机驱动器,用于将挤出物推出水下孔口。 罩及其内容物可通过大气池进入。 坝下游的池塘中的较高水位由阀门控制,从而控制泵的输出。