Punching apparatus

A punching apparatus for a punching machine, the punching apparatus comprising:

• a punch holder;
• and
• a punching tool,
• wherein said punch holder comprises a guiding body, said guiding body provided with a mounting cavity suitable to slidably receive said punching tool, and a driving assembly connected to said guiding body and provided with a beating element having a first operating end suitable to interact with a ram of the punching machine and a first connecting end coupled to a second connecting end of said punching tool by means of a threaded coupling, said threaded coupling enabling a relative rotation between said beating element and said punching tool for a linear movement thereof with respect to said beating element along an adjustment stroke between an initial adjustment position, in which an engagement portion of said threaded coupling has a maximum length, and a final adjustment position, in which said engagement portion has a minimum length, and
• wherein said punching apparatus further comprises a stopping element having a first stopping end and a second stopping end, said first stopping end being fixed inside a connecting cavity made in one of said first and second connecting ends and arranged to receive another of said first and second connecting ends, said second stopping end being inserted in a stopping cavity made in said another of said first and second connecting ends and sliding inside the stopping cavity during the linear movement of said punching tool between the initial adjustment position and the final adjustment position, said second stopping end being provided with a first stopping system arranged to abut a second stopping system provided at an opening of the stopping cavity so as to prevent said stopping element from disengaging from the stopping cavity and to stop the adjustment stroke of said punching tool in the final adjustment position.