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  • 食品称重检测

    Dark Tray Detection on Checkweigher System Application Image

    例如,高速称重检测系统用于通过精确测量每盘食品的重量来分析即食食品的准确数量。当装满的托盘通过传送带时,它们都会经过检重秤。当托盘放在中间称重时,反射板式传感器将就位,以便检测其前缘并触发转向器。该系统将允许刚好装满的托盘继续进入包装过程,同时退回未装满或超量的托盘。

    挑战

    包装食品需要经过多道检查,生产这些食品的冲洗环境对自动化设备提出了独特的要求。

    Packaged foods are required to go through multiple inspections, and the washdown environments in which they are produced place unique demands on automation equipment.

    For example, a high-speed checkweighing inspection system is used to analyze ready-to-eat meals for proper quantity, by precisely measuring the weight of each tray with its food content. As the filled trays pass down a conveyor, they pass over the checkweigher. When the tray is centered in position for weighing, a retroreflective sensor is positioned to sense its leading edge and trigger a diverter. The system will allow properly filled trays to proceed in the packaging process, and ejects underfilled or overfilled trays.

    解决方案

    EZ-BEAM Q25反射板式传感器是这种应用的理想之选。它会发射一个高能光束,能够可靠地检测任何经过称重台的深色物体。如果检测到透明物体,则会使用Q25偏振反射板式。由于采用了IP69K防护等级的外壳,因此Q25的设计能够承受食品应用中要求严苛的冲洗条件。设置简单;Q25无需调整。它具有高级诊断功能,会因镜头模糊而警告检测处于临界状态,从而最大限度地减少停机时间。

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