System for carrying out mechanical workings

Machine according to any one of the preceding claims, wherein said working axis (Z1;

• Z2;
• Z3) and said service axis (Z) are arranged in a vertical position.

Machine according to any one of the preceding claims, and further comprising a loading station (6) wherein said semi-worked piece (P), in a raw condition, is introduced into said machine (2).

Machine according to any one of the preceding claims, and further comprising an unloading station. (8) wherein said semi-worked piece (P), already worked, is extracted from said machine (2).

Machine according to any one of the preceding claims, wherein said supporting means comprises first supporting means (16) arranged for rotating said semi-worked piece about said working axis (Z1;

• Z2;
• Z3).

Machine according to any one of claims from 3 to 9, wherein a gear motor unit (20) is mounted on the top of said frame means (4), movable on said frame means (4) so as to engage alternatively said first supporting means (16) at said working axis (Z1;

• Z2;
• Z3), or said second supporting means (5) at said service axis (Z).

Machine according to any one of the preceding claims, wherein said second supporting means (5) shows an upper portion rotationally coupled to a pin (50) fixed to said frame means (4) through a bearing (48) interposed between said pin (50) and a hub (52) of said second supporting means (5).

Machine according to any one of claims from 12 to 14, wherein said gear driven means comprises a pinion (28) of said first supporting means (16).

Machine according to any one of claims from 7 to 15, wherein each of said first supporting means (16) is axially delimited by a couple of end flanges (40), interconnected to each other by a couple of uprights (42).

Machine according to any one of claims from 3 to 19, wherein wall means (18) is interposed between each of said first supporting means (16) and the adjacent first supporting means (16), said wall means (18). being suitable to define compartments arranged for singularly containing said first supporting means (16).

Machine according to any one of the preceding claims, wherein said tool means (29) is supported by a cross-beam (30) which is in engagement with vertical guides (32) fixed to said frame means (4).

Clamp means slidably coupled on guide means (44) and arranged for locking a semi-worked piece (P), at cross sections taken along its length, through pliers means (66, 68) driven by suitable actuating means (60, 62), characterized in that, said clamp means (46) is provided with mechanical locking means suitable to lock said clamp means (46) onto said guide means (44).

Clamp means according to any one of claims from 23 to 25, wherein said pliers means comprises first pliers means (66) and second pliers means (68).

Method for working semi-worked elements, comprising placing a semi-worked piece (P) in a working station (14), characterized in that, substantially simultaneously to said placing it is further provided placing a semi-worked piece (P) to be worked in a loading station (6) and extracting a semi-worked piece (P) already worked from an unloading station (8).

Method according to any one of claims from 34 to 36, wherein said rotating comprises rotating first supporting means (16).

Method according to any one of claims from 34 to 37, wherein said rotating comprises rotating second supporting means (5).

Method according to any one of claims from 34 to 38, wherein said rotating comprises alternatively rotating said first supporting means (16), or said second supporting means (5).