The invention relates to a squeezing machine of the type in which the juice is obtained in a squeezing unit comprising at least one male drum (5) and at least one female drum, the female drum (4) having recesses for holding the fruit and the male drum having protrusions that insert in the recesses of the female drum to catch the fruit, the squeezing unit (2) and other auxiliary elements are joined to each other, preferably by a casing, such that they can engage and be released from the drive element (1) as a single block.