摘要:
The cutting device (100) comprises an oscillating chamber (1); an oscillating piston (10) predisposed with the head (13) in the oscillating chamber (1) and with the stem (14) connected to a cutting blade (L); a pneumatic activating system (P) communicating with the oscillating chamber (1) so as to pneumatically activate the oscillating piston (10) to vertically oscillate in the oscillating chamber (1) and therefore vertically oscillate the cutting blade (L) for cutting a leather sheet (V). The device further comprises: an auxiliary chamber (2), superiorly of the oscillating chamber (1), an auxiliary piston (23) predisposed with the head (24) in the auxiliary chamber (2) and with the stem (25) which is connected to the head (13) of the oscillating piston (10), and a thrust element (3) predisposed in the auxiliary chamber (2) between the head (24) of the auxiliary piston (23) and the lower abutment surface (22) of the auxiliary chamber (2). The thrust element (3) is activatable to raise following the deactivation of the pneumatic activating system (P) for pushing and raising the auxiliary piston (23) against the upper abutment surface (21) of the auxiliary chamber (2) with a contextual raising of the oscillating piston (10) and therefore of the cutting blade (L) into a raised position (LR) above the leather sheet (V).
摘要:
A device for driving tools for cutting flat articles comprises a rotary organ (10) borne rotatably internally of a tubular body (7) and exhibiting an axial stem (4) to which a cutting organ (5) is constrained. A motor group (2) axially constrained to the rotary organ (10) is destined to activate the axial stem (4) of the rotary organ (10) in rotation. The body (7) is through-inserted axially slidably internally of a tubular jacket (17) affording internally thereof a cylindrical chamber (11) destined to be sealedly engaged by an annulus (8) fashioned externally of the body (7) and in communication with pneumatic supply means in order to realise a pneumatic actuator organ destined to command axial translation of the body (7).
摘要:
A machine for moving and automatically cutting hides and the like, comprising: an aspirating plane (1); an overlying cutting unit (T); a first ring-wound conveyor (2) comprising a belt (20) made of a permeable material wound on relative rollers (22A, 22B), comprising a drive roller (22A) and a driven roller (22B), having an upper branch (21) which is superposed on the aspirating plane (1), and interested at edges thereof by broadenings (25, 26); the belt (20) being attracted during transit by the aspirating plane (1), dragging without constraint above the aspirating plane; a second conveyor (3), made of permeable material, an upper branch (31) of which restingly receives the hides P and is interposed between the cutting unit (T) and the upper branch (21) of the first conveyor (2).
摘要:
A method for the optical projection of profiles on the work surface (1) of a machine (100) for automatic cutting of flat articles (2) includes the following operation steps : positioning of a flat article (2) on the work surface (1) ; definition of a profile (3, 3A) on the flat article (2) by the projection, on the latter, of a first light beam (4) ; orientation by- rotation, with respect to an axis orthogonal to the surface (1) , and positioning of the profile (3, 3A) on the flat article (2) , and selection of the profile; definition of the profile (3, 3A) on the flat article (2) by the permanent optical projection thereon of a second light beam (5) , and contemporary deactivation of the first light beam (4) . The invention further proposes a machine for automatic cutting of flat articles with two projectors as required by the method.
摘要:
The machine for cutting leathers comprises: a bearing structure (1), an operating element (2), shaped in such a way as to exhibit a rotation axis (Z) and at least three distinct work planes (21, 22, 23), each of which is arranged about the rotation axis (Z) and is provided with an aspirating plate that is activatable/deactivatable such as to retain or release the leathers, and cutting means (3) associated to the bearing structure (1), at a relative side thereof, and movable with respect thereto. The operating element (2) is mountable on the bearing structure (1) rotatably about its rotation axis (Z) and is activatable in rotation about the axis (Z) in order to successively position each work plane (21, 22, 23) at three successive and distinct positions (P1, P2, P3) with respect to the bearing structure (1): a first position (P1) of placing the leathers in which the leathers can be positioned and stretched above the work plane (21, 22, 23) and held stretched thereon following activation of the relative aspirating plate; a second position (P2) of cutting the leathers, in which the work plane (21, 22, 23) with the leathers stretched and retained thereon by the relative aspirating plate is located below the cutting means (3); a third position (P3) of unloading the leathers, wherein the leathers can be unloaded from the work plane (21, 22, 23) by force of gravity following the deactivation of the aspirating plate.
摘要:
A device for driving tools for cutting flat articles comprises a rotary organ (10) borne rotatably internally of a tubular body (7) and exhibiting an axial stem (4) to which a cutting organ (5) is constrained. A motor group (2) axially constrained to the rotary organ (10) is destined to activate the axial stem (4) of the rotary organ (10) in rotation. The body (7) is through-inserted axially slidably internally of a tubular jacket (17) affording internally thereof a cylindrical chamber (11) destined to be sealedly engaged by an annulus (8) fashioned externally of the body (7) and in communication with pneumatic supply means in order to realise a pneumatic actuator organ destined to command axial translation of the body (7).