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    • 1. 发明授权
    • Curing apparatus for a multi-color screen printing system
    • 多色丝网印刷系统固化装置
    • US6152030A
    • 2000-11-28
    • US253816
    • 1999-02-19
    • Rick Lee Fuqua
    • Rick Lee Fuqua
    • B41F15/08B41F15/12B41F23/04F26B3/28
    • F26B3/28B41F15/0863B41F15/12B41F23/0406
    • A drying/curing apparatus for a rotary screen printing machine includes a carriage supporting a flash curing unit. The curing unit has a height or thickness that is less than the gap between the workpiece platen of the printing machine and the printing screen. The drying apparatus includes a structure attached to a print station of the printing machine that is configured to permit reciprocation of the curing unit across a substrate supported on the workpiece platen after an ink layer has been applied to the substrate and the platen has been retracted from the print screen. The curing unit includes a plurality of heat generating elements, such as high power quartz lamps, that are directed toward the ink layer on the substrate. The curing unit includes an insulator plate disposed between the curing lamps and the printing screen of the printing machine when the curing unit travels across the workpiece platen. In addition, the curing unit includes a number of channel shaped reflector elements mounted to the underside of the insulator plate with the curing lamps disposed within the reflective channel. Adjacent reflector elements are spaced apart to define a ventilation gap or channel therebetween. In addition, the side walls of the channel shaped reflector elements define a series of ventilation slots. The reflector elements are mounted so that the ventilation slots of adjacent side walls are offset from each other. The drying apparatus also includes a blower device at the neutral position of the curing unit to direct cooling air across the curing lamps and reflector elements. An air deflector is provided to prevent air flow across the ink layer or printing screen.
    • 用于旋转丝网印刷机的干燥/固化设备包括支撑闪光固化单元的托架。 固化单元的高度或厚度小于印刷机的工件台板和印刷丝网之间的间隙。 干燥装置包括附接到打印机的打印站的结构,该结构被配置为允许固化单元在支撑在工件台板上的基板之间往复运动,在将油墨层施加到基板上之后, 打印屏幕。 固化单元包括多个发热元件,例如大功率石英灯,其指向基板上的油墨层。 固化单元包括当固化单元穿过工件台板时,设置在固化灯和印刷机的印刷丝网之间的绝缘板。 此外,固化单元包括多个通道形反射器元件,其安装在绝缘板的下侧,固化灯设置在反射通道内。 相邻的反射器元件间隔开以在其间限定通气间隙或通道。 此外,通道形反射器元件的侧壁限定一系列通风槽。 安装反射器元件使得相邻侧壁的通风槽彼此偏移。 干燥装置还包括在固化单元的中性位置处的鼓风机装置,以引导冷却空气穿过固化灯和反射器元件。 提供一个空气导流板以防止空气流过油墨层或印刷屏幕。