manipulator robot of the type of three or four axes for palletizing, comprising: - a bridge (8) guided on beams (9) located on top of the frame (1) of said palletizer, and - a mast (11) upright telescopic consisting on the one hand, a base (20) fixed vertically, carried and guided on said bridge (8), and, on the other hand, of several sections (21, 22, 23) of which the last, the section (23 ) center, carries a head (13) for gripping products to be palletized, sections (21, 22, 23) which are integral with wheels (31, 32, 33) of different diameters, the diameters of said wheels adapted to the route of the section to which are connected said wheels, respectively, by means of elements independent binding, said wheels (31 to 33) are mounted on one common shaft (30) which confers extension movement by gravity and movement motorized retraction, said connection being between said tr masters (21, 22, 23) and said wheels (31, 32, 33) consisting of at least one chain (43) transmitting to said last segment (23) and belt (41, 42) for the other sections (21 , 22) respectively, wrapping the straps on their respective wheel.
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