A SYSTEM AND A METHOD FOR LOCATING A WORKPIECE-HOLDER FRAME IN POSITION IN A PROCESSING OR ASSEMBLING STATION OF A PRODUCTION PLANT

A system for locating a workpiece-holder frame (2) in position in a processing or assembling station of a production plant comprises stationary support structures (9) arranged on the two sides of the working area (A) of the processing or assembling station, and a carriage (8) that transports the wor...

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Bibliographische Detailangaben
Hauptverfasser:	TOMASI, Daniele, RUFFINO, Daniele, BERTOLO, Tiziano
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT COMBINED OPERATIONS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR MOTOR VEHICLES OTHER WORKING OF METAL PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRAILERS TRANSPORTING UNIVERSAL MACHINE TOOLS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A system for locating a workpiece-holder frame (2) in position in a processing or assembling station of a production plant comprises stationary support structures (9) arranged on the two sides of the working area (A) of the processing or assembling station, and a carriage (8) that transports the workpiece-holder frame (2) along a conveying line (L) inside the working area (A). The stationary support structures (9), arranged on the two sides of the working area, carry vertically-movable support members (10), positioned and configured to engage and lift the workpiece- holder frame (2) carried by the carriage (8) when the carriage is stopped in the working area, so as to move the workpiece-holder frame (2) away from the carriage (8) and vertically position the workpiece-holder frame (2) at a predetermined vertical height (Z). The vertically-movable support members (10) include at least three ball supports (10), spaced apart from each other, each including a ball (12), which is freely rotatable in any direction around its center. The workpiece-holder frame (2) has a plurality of flat lower engagement surfaces (7), which are respectively engaged by the ball supports (10), in such a way that when the workpiece-holder frame (2) is raised to said predetermined vertical height (Z), the workpiece-holder frame (2) can float in any horizontal direction above the freely rotatable balls (12) of the ball supports (10). With at least two of the stationary support structures (9) there are also associated respective auxiliary centering members (22) which are vertically movable and spaced apart from each other, said auxiliary centering members cooperating with engagement elements (6) projecting downwardly from the workpiece- holder frame (2), in such a way as to locate in position the workpiece- A system for locating a workpiece-holder frame (2) in position in a processing or assembling station of a production plant comprises stationary support structures (9) arranged on the two sides of the working area (A) of the processing or assembling station, and a carriage (8) that transports the workpiece-holder frame (2) along a conveying line (L) inside the working area (A). The stationary support structures (9), arranged on the two sides of the working area, carry vertically-movable support members (10), positioned and configured to engage and lift the workpiece- holder frame (2) carried by the carriage (8) when the carriage is stopped in the working area, so as to move the workpi