A yard device is swept to smoke box

The utility model discloses a yard device is swept to smoke box, including conveyer belt (10) and at least one infrared ray bar code collector (20), infrared ray bar code collector (20) fixed mounting be in on support (30) of conveyer belt (10) both sides, it is provided with one lightproof cover (40) immediately to stride between support (30), infrared ray bar code collector (20) are located the inside of lightproof cover (40), be provided with exit (21) on lightproof cover (40). The utility model discloses a set up lightproof cover outside infrared ray bar code collector for infrared ray bar code collector is in environment work down dark or that light is very weak, guarantees that no matter the whole yard device of sweeping is placed the workshop or outdoor can both normally work the that have the highlight, avoids taking place the circumstances of " the hourglass is swept ". 本实用新型公开了种烟箱扫码装置，包括传送带（10）和至少个红外线扫码器（20），所述红外线扫码器（20）固定安装在所述传送带（10）两侧的支架（30）上，所述支架（30）之间跨立设置有防光罩（40），所述红外线扫码器（20）位于所述防光罩（40）的内部，所述防光罩