Patent ID: 6088111
Filing Date: 2000-07-11
Classification: B21B,G06M

Abstract:
Selection and control device to count bars being fed separated orthogonally to their axes on a plane and cooperating with a translating device having a plurality of nominal and theoretical seatings intended for transferring a single bar in each seating, the device being characterised in that it includes two optical monitors and a processing unit, the optical monitors being arranged at an angle with their apex substantially on the plane on which the bars are fed and whose respective monitoring axes cooperate with a portion of the plane on which the bar being fed passes, the respective monitoring axes having an angle of incidence with respect to the plane on which the bars are fed in the proximity of a common point cooperating substantially with the positioning seating of the bars on the translating device, each of the monitors lying on a plane substantially orthogonal to the plane on which the bars are fed, and to the axis of the bars, and including respective angles ("".alpha."", "".beta."") with respect to a line vertical to the plane of feed, the angles ("".alpha."", "".beta."") defining an angle ("".gamma."") at the apex, the apex lying substantially on a line vertical to the plane of the feed of the bars, the processing unit receiving a signal concerning the field explored by each of the optical monitors, transforming the signal into a dimensional value, comparing the dimensional value with the pre-set nominal diameter of the bars and supplying, according to this comparison, an indication as to a number of bars present in each seating of the translating device so as to provide a determination as to whether a single bar is present in each seating or two or more bars are present in each seating.