Procedure and installation of welded elements automobile body fast tool change by lifting roundabout

摘要

Installation (1) for the assembly of body parts (2, 3, 4) such plant at least one assembly station (5) provided with automatic joining means (6), the robot welding class, comprising a station load (7) provided with loading means parts (8, 9) intended to supply the plant with parts to be assembled, a conveyor (15) which allows drive from the loading station (7) to the assembly station ( 5), a forming tool (10) designed for admission, shaping and flanging, according to a configuration predetermined assembly, of at least one set of spare parts (2, 3, 4) which have to be assembled together, It said installation being characterized in that includes a station for the automatic exchange of the forming tool (20) comprising a lifting rotary turret (21) of vertical axis, having said turret, on the one hand, with a rotor handling (22), rotation axis (ZZ ') sens iblemente vertical, having a plurality of tool holders (23, 123, 223, 323) distributed about said axis (ZZ ') and designed to house respective forming tools (10), establishing said rotor (22) in order to carry selectively through an appropriate angular displacement about its axis, each tool carrier (23, 123, 223, 323) to the vertical conveyor (15) and, moreover, at least one riser (24) member for moving vertically the least the tool carrier (23) located in the vertical conveyor (15) in order to alternately remove a tool (10) on said conveyor or deposit a new tool (10) on said conveyor.