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    APPARATUS FOR IMPROVED CUTTING OF SHEET MATERIAL
    9.
    发明公开
    APPARATUS FOR IMPROVED CUTTING OF SHEET MATERIAL 审中-公开

    公开(公告)号：EP3699307A1

    公开(公告)日：2020-08-26

    申请号：EP19184894.4

    申请日：2019-07-08

    申请人： Comelz S.p.A.

    发明人： CORSICO PICCOLINO, Alessandro

    IPC分类号： C14B5/00 ,  B26D5/00 ,  B26D7/01 ,  D06H7/00 ,  D06H7/24

    摘要： An apparatus (1) for cutting at least one sheet of material comprises a cutting chamber (3) provided with a loading inlet (4) and with an unloading outlet (5), the cutting chamber (3) being configured to house at least one portion of the sheet, cutting means for cutting the sheet in the cutting chamber (3), a control unit (C) configured to control the apparatus (1), and a conveyor belt (6) for feeding the sheet into the cutting chamber (3) along a forward direction (Y). Suitably, the apparatus (1) comprises a closure element (10a) at least at the unloading outlet (5) of the cutting chamber (3), the closure element (10a) being movable between an open position, in which at least one portion thereof is at a first distance from the surface of the sheet or from the surface of the conveyor belt (6), allowing access to the cutting chamber (3), and a closed position, in which this portion is at a second distance from the surface of the sheet or from the surface of the conveyor belt (6), the second distance being less than the first distance, these distances being measured along a direction that is substantially orthogonal to the surface of the sheet or to the surface of the conveyor belt.

    METHOD AND RELATED NUMERICAL CONTROL EQUIPMENT FOR THE AUTOMATIC CUTTING OF PLIABLE SHEETS, FOR EXAMPLE FOR SHOE, LEATHER, CLOTHING COMPONENTS AND THE LIKE
    10.
    发明公开
    METHOD AND RELATED NUMERICAL CONTROL EQUIPMENT FOR THE AUTOMATIC CUTTING OF PLIABLE SHEETS, FOR EXAMPLE FOR SHOE, LEATHER, CLOTHING COMPONENTS AND THE LIKE 审中-公开

    公开(公告)号：EP3570129A1

    公开(公告)日：2019-11-20

    申请号：EP18172165.5

    申请日：2018-05-14

    申请人： Comelz S.p.A.

    发明人： CORSICO PICCOLINO, Alessandro

    IPC分类号： G05B19/42 ,  B26D5/00 ,  D06H7/00

    摘要： The invention relates to a method and to a related numerical control machine for automatically cutting sheets of pliable material, for example for shoe, leather, clothing components and the like, not necessarily made of leather. The method of the invention is applied to a numerical control machine (7) provided with an electronic control system (20) having a memory (21) comprising at least one reference image (32) of the shape of the component to be cut, the machine being designed to receive at its inlet (5) material in the form of sheets (2) so as to define on said sheets (2) a cutting perimeter or trimming and to transfer cut portions (3) to its outlet (13). The method comprises at least the steps of:
    - storing in the memory (21) at least one second reference image (16) representing a qualitative aspect of the surface (24) of the sheet (2) or of the portion (3) to be cut;
    - defining by means of selection, via a user interface (30) of the electronic control system (20), at least one first sample portion (18) and at least one second sample portion (19) of said at least one second reference image (16), obtaining a criterion for comparative classification of said sample portions (18, 19) of the image;
    - acquiring at least one image (12) of the sheet (2) to be cut, by means of image detectors (10) associated with the machine (7);
    - classifying pixels of the acquired image (12) of the sheet (2) to be cut, assigning thereto a percentage value or weight based on said classification criterion, by means of an image processing unit of said electronic control system (20), obtaining a filtered image (28) based on this criterion;
    - further processing said filtered image (28) and the reference image of the shape of the component to be cut, so as to define the perimeter (29) of a cutting area of the portion (3) of the sheet (2).