ROLLER HEMMING HEAD HAVING A REPLACEABLE ROLLER-CARRYING UNIT

A roller hemming head (10) comprises an upper head portion (20) having a flange (22) for connection to the wrist (14) of a robot (R) or other supporting movable equipment. The head (10) further comprises a lower head portion (24) carrying one or more hemming rollers (26, 27). The hemming rollers are...

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Bibliographische Detailangaben
1. Verfasser:	SERPI, VALERIA
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A roller hemming head (10) comprises an upper head portion (20) having a flange (22) for connection to the wrist (14) of a robot (R) or other supporting movable equipment. The head (10) further comprises a lower head portion (24) carrying one or more hemming rollers (26, 27). The hemming rollers are freely rotatably mounted on a roller-carrying unit (40) which is connected to the lower portion (24) of the head with the interposition of a quick-connection device (50) which rigidly and removably connects the roller-carrying unit (40) to the head lower portion (24). The quick-connection device (50) comprises spring means (54) tending to hold the device in a connection condition, and an actuating member (52) adapted to be moved against the action of the spring means (54), for releasing the connection. The actuating member (52) is adapted to be operated by an engagement member (60) provided at a fixed station (S) adjacent to the robot (R) or adjacent to a movable equipment supporting the head. The engagement member is adapted to be received within a cooperating seat of the head. Therefore, the quick-connection device of the hemming head enables quick replacement of the entire structure of the roller-carrying unit (40) and does not require the provision on the robot (R) or the movable equipment supporting the head of cables and/or supply hoses for controlling the quick-connection device (50). L'invention concerne une tête d'ourlage à rouleaux (10) comprenant une partie de tête supérieure (20) ayant une bride (22) pour le raccordement au poignet (14) d'un robot (R) ou à un autre matériel de support mobile. La tête (10) comprend en outre une partie de tête inférieure (24) portant un ou plusieurs rouleaux d'ourlage (26, 27). Les rouleaux d'ourlage sont montés rotatifs librement sur une unité porte-rouleaux (40) qui est reliée à la partie inférieure (24) de la tête avec l'interposition d'un dispositif de raccordement rapide (50) qui relie de manière rigide et amovible l'unité porte-rouleaux (40) à la partie inférieure (24)de la tête. Le dispositif de raccordement rapide (50) comprend un moyen ressort (54) tendant à maintenir le dispositif dans un état de raccordement et un élément d'actionnement (52) conçu pour être déplacé à l'encontre de l'action du moyen ressort (54), pour libérer le raccordement. L'élément d'actionnement (52) est conçu pour être actionné par un élément d'enclenchement (60) disposé au niveau d'une station fixe (S) adjacente au robot (R) ou adjace