Device for controlling the position of packages of pourable food products on a production line

摘要

A device (38) for controlling the position of packages (3) of pourable food products on a unit (1) for applying opening devices (2) to the packages, the device having an optical sensor (43) for simultaneously detecting the position of a prelaminated hole (5) on a package (3) and position reference marks (46) associated with a respective supporting and conveying device (8) for supporting and conveying the package (3); and adjusting means (36, 33) for adjusting the relative position of each of the packages (3) in response to an error in the position of the respective hole (5) within a reference system (45) defined by the aforementioned marks (46).