Patent ID: 6297514
Filing Date: 2001-10-02
Classification: B65H

Abstract:
Installation for quality control of yarn bobbins of the type including:a conveying line (5) having supports (6) arranged thereon to carry bobbins (7); andat least one quality control machine (2) associated to said conveying line (5), said conveying line (5) having stops at said quality control machine (2) to carry out inspection operations of said bobbins (7);said quality control machine (2) comprising:an enclosure (19) housing:at least one area (20);at least one inspection station (11) having one or more light sources (23) and one or more image forming sensors (24);at least one holder for the bobbin (7) to be examined;transfer means to transfer a bobbin (7) from said supports (6) on said conveying line (5) to said holder in the quality control machine (2) and to return the inspected bobbin (7) from the holder to an empty support (6) on said conveying line (5);a shifting device for shifting said holder between said at least one area (20) and said at least one inspection station (11); andmeans to change the relative position between the bobbin (7) on said holder and said light sources and/or image forming sensors (23, 24) in said at least one inspection station (11);wherein said at least one holder for the bobbin (7) to be examined comprises:an outwardly facing bobbin fastening member (4); anda moving device coupled to said fastening member (4) for linear displacement thereof a predetermined length so as to convey a bobbin (7) to and from one of the supports (6) on the conveying line (5), said moving device constituting said transfer means,said at least one fastening member (4) and moving device being integrated in at least one assembly (8) associated to said shifting device in the quality control machine (2).