Industrial processing machine comprising: - a supporting structure which develops in length along a longitudinal direction x, said supporting structure being at least partially closed so as to define an internal space; - at least one working station (2, 2') and at least one parking station for a tool, associated with said supporting structure and arranged one after the other along the longitudinal direction x, in correspondence of said at least one working station (2, 2') and at least one parking station on a front facade of said machine being made respective access openings to said internal space; - a tool housed in said internal space and mobile along the longitudinal direction x between said at least one working station (2, 2') and said at least one parking station; - a security system comprising: - a supporting safety structure; - at least one protection element associated with a respective perimeter portion of said supporting safety structure said at least one protection element being capable of reversibly passing from a first position with full encumbrance, in which it projects towards the front facade of said machine preventing the reaching of said tool from said respective perimeter portion, to a second position with reduced encumbrance, characterized in that: - at least one actuating means configured to allow the passage of said at least one protection element from said first position to said second position when said tool passes from the at least one parking station to said at least one working station (2, 2'). - a supporting structure which develops in length along a longitudinal direction x, said supporting structure being at least partially closed so as to define an internal space; - at least one working station (2, 2') and at least one parking station for a tool, associated with said supporting structure and arranged one after the other along the longitudinal direction x, in correspondence of said at least one working station (2, 2') and at least one parking station on a front facade of said machine being made respective access openings to said internal space; - a tool housed in said internal space and mobile along the longitudinal direction x between said at least one working station (2, 2') and said at least one parking station; - a security system comprising: - a supporting safety structure; - at least one protection element associated with a respective perimeter portion of said supporting safety structure said at least one protection element being capable of reversibly passing from a first position with full encumbrance, in which it projects towards the front facade of said machine preventing the reaching of said tool from said respective perimeter portion, to a second position with reduced encumbrance, characterized in that: - at least one actuating means configured to allow the passage of said at least one protection element from said first position to said second position when said tool passes from the at least one parking station to said at least one working station (2, 2'). - a supporting safety structure; - at least one protection element associated with a respective perimeter portion of said supporting safety structure said at least one protection element being capable of reversibly passing from a first position with full encumbrance, in which it projects towards the front facade of said machine preventing the reaching of said tool from said respective perimeter portion, to a second position with reduced encumbrance, characterized in that: - at least one actuating means configured to allow the passage of said at least one protection element from said first position to said second position when said tool passes from the at least one parking station to said at least one working station (2, 2'). - at least one actuating means configured to allow the passage of said at least one protection element from said first position to said second position when said tool passes from the at least one parking station to said at least one working station (2, 2').