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    • 2. 发明申请
    • OPTICAL INSPECTION APPARATUS AND METHOD FOR AN EXTRUDER
    • 光学检测装置和挤出机的方法
    • WO2016181361A1
    • 2016-11-17
    • PCT/IB2016/052781
    • 2016-05-13
    • SACMI COOPERATIVA MECCANICI IMOLA SOCIETA' COOPERATIVA
    • BOSI, Gildo
    • B29C47/92G01N21/00B29C47/82
    • G01N21/359B29C47/822B29C47/92B29C2947/9219B29C2947/922B29C2947/92219B29C2947/92247B29C2947/92361B29C2947/9238B29C2947/92409B29C2947/92685B29C2947/92695B29C2947/92704B29C2947/92714B29C2947/92876G01N2021/3595
    • An apparatus (1) and method for optical inspection of a mass of polymeric material (2) passing through an extruder (3) having a hollow extrusion cylinder (4) extending elongately in a longitudinal direction comprises an optical sensor (8) which can be operatively coupled to the extrusion cylinder (4) and having an infrared light emitter (8a) and a receiver (8b) configured to measure a measurement parameter representing an optical property of the polymeric material (2) inside the extrusion cylinder (4) and is characterized in that it comprises a plurality of the optical sensors (8) which can be operatively coupled to the extrusion cylinder (4) in a plurality of measurement sites located in succession and spaced from each other along the longitudinal direction and a processor (9) programmed to acquire plurality of measurement signals containing the measurement parameters measured by the corresponding optical sensors (8) and programmed to process the plurality of measurement signals in order to calculate a corresponding plurality of values of a control parameter indicating a physical state of the polymeric material (2) as a function of a longitudinal position.
    • 用于光学检查穿过具有沿纵向方向延伸延伸的中空挤出圆筒(4)的挤出机(3)的聚合材料(2)的质量的装置(1)和方法包括光学传感器(8),其可以是 可操作地耦合到挤出圆筒(4)并具有红外光发射器(8a)和接收器(8b),接收器(8b)被配置为测量表示挤出滚筒(4)内的聚合物材料(2)的光学性质的测量参数,并且是 其特征在于,它包括多个光学传感器(8),所述多个光学传感器(8)可以在沿着纵向方向相互间隔并且彼此间隔开的多个测量位置中可操作地联接到所述挤出滚筒(4),并且处理器(9) 被编程以获取包含由对应的光学传感器(8)测量的测量参数的多个测量信号,并被编程以处理或者 以计算指示聚合物材料(2)的物理状态的控制参数的对应多个值作为纵向位置的函数。