Blocking device for roller line

The utility model discloses a blocking device for a roller line, which comprises a first photoelectric sensor, a second photoelectric sensor and a blocking mechanism arranged at the end of a roller conveying line. The first photoelectric sensor and the second photoelectric sensor are arranged on the two sides of the bottom and the two sides of the top of the roller conveying line respectively and are close to the blocking mechanism, and the blocking mechanism comprises a blocking plate and a stepping motor driving the blocking plate to ascend and descend. The material frame on the roller line is sensed and blocked through the photoelectric sensor and the blocking plate, the material frame can be effectively prevented from falling off, and the safety of conveyed articles is protected. 本实用新型公开了一种用于滚筒线的阻挡装置，包括第一光电传感器、第二光电传感器和阻挡机构，所述阻挡机构设置在滚筒输送线的端部，所述第一光电传感器和第二光电传感器分别设置在滚筒输送线的底部和顶部两侧且靠近阻挡机构，所述阻挡机构包括阻挡板和驱动阻挡板升降的步进电机。本实用新型通过光电传感器和阻挡板对滚筒线上的物料框进行感应和阻挡，可有效防止物料框的跌落，保护传输物品的安全。