| 摘要 |
A conveyor sorting system comprises: a main conveyor (5); a plurality of feed conveyors (7) each of which has a loading station (19, 20) at which an article can be loaded on to the feed conveyor for being fed by the latter to the main conveyor; control means for controlling the main and feed conveyors, for receiving data fed to it relating to articles loaded on the feed conveyors; respective detecting means (21) at each of the feed conveyors, for detecting articles on the respective feed conveyors and supplying information to the control means in response to such detection, the control means controlling the feed conveyors in response to such information so that articles on the feed conveyors are fed to the main conveyor with a given spacing between successive articles and storing data related to the lengths of individual articles; and further detecting means (22) at the main conveyor, for detecting articles on the main conveyor and supplying information to the control means in response to such detection, the control means checking, in response to such information, whether or not said given spacing has been maintained and whether or not, from the detected length of each article on the main conveyor and using said data related to the lengths of individual articles, whether each article has arrived at the further detecting means at the expected time. |
