PUNCHING PRESS Russian patent published in 2009 - IPC B21D28/12 

FIELD: engineering industry.

SUBSTANCE: invention refers to engineering industry. Punching press consists of a base that determines upper horizontal table for processing metal plates and rods; operating turret installed above the above working table and containing a punch slide; the first supporting mean meant for at least one holder of upper die and rotated with the appropriate first electric motor unit and supported on the above turret in vertical adjustment under the above punch slide; the second supporting mean intended for holder of lower die, which is installed in the above working table in vertical adjustment with the above first supporting mean and rotated with the appropriate second electric motor unit that is synchronised with the above first electric motor unit; at least one element used for choosing and contacting the upper punch and located between the above slide and the above holder of upper die and rotated with the appropriate third electric motor unit; at that, the above holder of upper die and holder of lower die are made so that they can be brought into operation with the appropriate drive means with synchronous rotary movement about common vertical axis (A) relative to the above first supporting mean and the above second supporting mean.

EFFECT: improving working properties and serviceability.

23 cl, 5 dwg