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1. A cracking-shelling mechanism with variable eccentric adjustment for shelled fruits comprising a plurality of longitudinal blocks parallel among them, wherein each block comprises a couple of first mobile elongated bars, which exhibit recesses consecutively arranged on the internal sides of said first mobile elongated bars and, adjacent to said first mobile elongated bars, at least a second elongated bar, which exhibits recesses consecutively arranged on the internal sides of said second elongated bar, in such a way that when confronting said first mobile elongated bars, a plurality of vertical passing holes is formed, wherein each couple of first mobile elongated bars is connected at a first end, by a lever, in its turn connected to a first connecting rod, to an eccentric rotation shaft, in such a way that each couple of first mobile elongated bars exhibits a joint alternate movement in both senses along the longitudinal axis on said first mobile elongated bars; and in that said lever is connected to a fastener at a support point, wherein said fastener comprises a displacement element that moves a position of said support point with respect to said fastener, in such a way that the first mobile elongated bars run is jointly adjusted with respect of the second elongated bar, comprising a couple of second mobile elongated bars connected to a seesaw, wherein said seesaw comprises a central rotation shaft and a second connecting rod in its turn connected at a first end to the central shaft and at a second end to the second end of the second mobile elongated bars and a third connecting rod also in its turn connected at a first end to the central shaft and in an opposite fashion to the second connecting rod and at a second end to the second end of the first mobile elongated bars, in such a way that the second mobile elongated bars exhibit an alternate movement in both senses along the longitudinal axis thereof and in opposite sense to the movement of the first mobile elongated bars.
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