| 摘要 |
PURPOSE: A welding jig apparatus for vehicle body assembling is provided which not only immediately copes with change of car models, but also maximizes robot efficiency and area efficiency of an assembly line in a narrow and small working space by simultaneously loading work pieces of various car models in vehicle body laser welding. CONSTITUTION: In a welding jig apparatus for vehicle body assembling for fixing work pieces in the automobile body assembly process, the welding jig apparatus for vehicle body assembling comprises a base plate(3) that is fixed onto the ground(1) of a line operation room; a rotation base(11) which is horizontally mounted on front and rear sides of the upper part of the base plate so that the rotation base is rotated through front and rear supporting frames; a rotation driving means which is mounted on one side of the rear supporting frame(7) to provide the rotation base with rotational driving force; jig plates(13,15,17) comprising a plurality of clamps(25,27,29) which are positioned at a plurality of points on the outer surface of the rotation base to fix work pieces, wherein the rotation driving means comprises a driving motor(31), and a gear box(35).
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