• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Device for assisting the gumming of dies; comprising: a first projector (41) and a first image capture camera (51) facing a first table (1) for supporting a rubber plate (8) with rubber pieces (81); a second projector (42) and a second camera (52) facing a second table (2) for supporting the die (9) to be gummed; a user interface (7) and a computer (6) with artificial vision software that, using the images captured by the cameras (51, 52), determines the position and orientation of the rubber plate (8) on the first table (1) and the die (9) on the second table (2); and indicates by means of the projectors the position of any selected rubber piece (81) on the rubber plate (8) and its final position on the die (9). (Machine-translation by Google Translate, not legally binding)
    公开号:ES2803083A1
    申请号:ES201900128
    申请日:2019-07-22
    公开日:2021-01-22
    发明作者:Juan Daniel Protas
    申请人:Nutrilife Int S L；
    IPC主号:
    专利说明:

    [0001] Die gumming assist device
    [0002] Technical sector
    [0003] The present invention refers to a device for assisting the gumming of dies, applicable in the manufacture of dies and which has constructive characteristics aimed at visibly marking the successive pieces of rubber to be placed on the die to be gummed and the successive end positions that these rubber pieces must occupy in the die; achieving that the operation of gumming of the die is comfortable and fast.
    [0004] Prior state of the art
    [0005] The dies used for cutting sheets of paper, cardboard, plastics or the like, have rubber pieces on the sides of the blades, which act as ejectors for the die-cut sheet.
    [0006] The placement of these rubber pieces on the die is known in the art as die gumming.
    [0007] The rubber pieces, which have different shapes and sizes, suitable for the blades of the die to be gummed, are obtained by cutting a rubber plate; subsequently, it is necessary to manually select the rubber pieces and visually search the die for the corresponding position for their placement.
    [0008] This work of gumming the die is extremely slow and laborious, precisely because of the difficulty of visually selecting the rubber pieces and locating the final location of each of the rubber pieces to be placed on the die.
    [0009] The applicant of the invention is unaware of the existence of antecedents that allow to satisfactorily solve the problem raised and that provide assistance to speed up and facilitate the gumming of dies.
    [0010] Explanation of the invention
    [0011] The device of the invention has characteristics aimed at providing assistance during the gumming of the die, providing visible and individualized marking of the successive rubber pieces to be placed on the die and of the position to be occupied by each of the successive pieces of rubber in the die, with which the operation of gumming of the die is carried out in an agile and comfortable way.
    [0012] This device comprises:
    [0013] - a first table for supporting a rubber plate on which the rubber pieces for gumming the die are cut;
    [0014] - a second table to support the die to be gummed;
    [0015] - a computer with a memory in which CAD files containing a complete diagram of all the rubber parts are stored cut in the rubber sheet and a diagram of said rubber pieces located in their final position in the die;
    [0016] - a first projector and a first camera for capturing images, facing the first table for supporting the rubber plate and connected to said computer;
    [0017] - a second projector and a second image capture camera facing the second die support table and connected to said computer;
    [0018] - a user interface for individualized selection in the files of the successive rubber pieces to be placed on the die;
    [0019] - an artificial vision software, installed on the computer, that from the images provided by said image capture cameras;
    [0020] - determines the position and orientation of the rubber plate on the first table and of the die to be gummed on the second table; Y
    [0021] - causes the projection by the first projector of the image of the rubber piece selected through the user interface, on the position of said rubber piece on the rubber plate, and the projection by the second projector of the image of said piece of rubber on its final position in the die.
    [0022] With the aforementioned elements, this device allows you to select from the files, through the user interface, any one of the rubber pieces to be placed in a certain die, and for the first and second projector to project the image of the selected rubber piece on the position occupied by said rubber piece on the rubber plate placed on the first table, and on the final position to be occupied by said rubber piece on the die; so that the user can remove the piece indicated by the first projector from the rubber plate and immediately place it in the corresponding final position indicated on the die by the second projector.
    [0023] Once said piece of rubber has been placed on the die, the user will select the successive rubber pieces with the interface and place them on the die, repeating the previous operation until the gumming of the die is finished.
    [0024] In one embodiment of the invention, the first table has a translucent surface to support the rubber sheet, and a lighting element that backlights said translucent surface from the lower area, to obtain a greater contrast in the image captured by the camera, from which the software determines the position and orientation of the rubber plate on said first table.
    [0025] The artificial vision software includes transformation algorithms to resolve the position, orientation and size of the rubber plate on the first table and of the die on the second table, from the images captured by the respective cameras. This feature allows the user to leave the rubber plate and the die in any position on the respective tables, since the software will automatically determine these positions and the positions corresponding to any piece of rubber on the rubber plate and on the die.
    [0026] This artificial vision software allows the rubber plate and the die to be rotated or moved on the respective first and second tables, and that the projected image of the part of rubber rotate or move accompanying the changes of position of the rubber plate on the first table and of the die on the second table.
    [0028] Said artificial vision software from the images captured by the cameras creates a transformed image of the CAD file that contains the cut pieces so that it adapts to the shape, position and orientation of the rubber plate; said transformed image containing only the rubber piece selected through the user interface, said image being the one that is projected onto the position occupied by said rubber piece on the rubber plate, so that the user can locate it immediately.
    [0030] To mark on the die the position that the selected rubber part must occupy with the interface, the artificial vision software selects the chosen rubber part in the CAD file that contains the final location of the parts in the die and converts it into a image that is projected by the second projector on the final position to be occupied by said rubber piece in the die.
    [0032] In this way, the device indicates which is the selected rubber piece to be removed from the rubber plate and in what position it should be located on the die.
    [0034] Brief description of the content of the drawings
    [0036] To complement the description that is being made and in order to facilitate the understanding of the characteristics of the invention, the present specification is accompanied by a set of drawings in which, by way of illustration and not limitation, the following has been represented:
    [0038] - Figure 1 shows a schematic elevation view of an embodiment of the device for assisting the gumming of dies, according to the invention.
    [0040] - Figure 2 shows a schematic plan view of the device of the invention during the signaling, by the projectors, of the positions of one of the rubber pieces on the rubber plate and on the die.
    [0042] Detailed exposition of an embodiment of the invention
    [0044] In figure 1 the device for assisting the gumming of dies comprises:
    [0046] - a first table (1) for supporting a rubber plate (8) in which different rubber pieces necessary for the gumming of a die (9) are stamped;
    [0048] - a second table (2) to support the die (9) to be gummed;
    [0050] - a first projector (41) and a first camera (51) facing the first table (1) for supporting the rubber plate and;
    [0052] - a second projector (42) and a second camera (52) facing the second table (2) for supporting the die.
    [0054] The projectors (41, 42) and the cameras (51, 52) are connected to a computer (6) equipped with a memory in which CAD files containing a complete diagram of all the rubber pieces cut in the rubber plate (8) and a diagram of said rubber pieces located in their final position in the die (9).
    [0056] Said computer (6) has artificial vision software installed, which provides the operation explained above and has a user interface (7), represented in this case by a keypad, for individualized selection in the available CAD files of the successive rubber pieces to be placed in a specific die.
    [0058] In the embodiment shown in figure 1 the first table (1) comprises a translucent surface (11) for supporting the rubber plate (8) and a lighting element (3) that backlights said translucent surface (11) from the lower zone, increasing the contrast of the image captured by the first camera (51), from which the software determines the position and orientation of the rubber plate (8) on said first table.
    [0060] As shown schematically in figure 2, when the user selects a certain rubber piece (81) through the user interface (7) in the CAD file that contains a diagram of all the rubber pieces cut in the rubber sheet (8), the artificial vision software determines the position and orientation of the rubber sheet (8) on the first table (1) and creates an image of said rubber piece (81), said image being projected on the position occupied by said rubber piece (81) in the rubber plate (8).
    [0062] The artificial vision software selects from the CAD file that contains the final location of the rubber pieces in the die (9), that rubber piece (81) chosen with the user interface, and converts it into an image that is projected by the second projector (42) on the final position to be occupied by said rubber piece (81) in the die (9).
    [0064] Once the nature of the invention has been sufficiently described, as well as an example of a preferred embodiment, it is stated for the appropriate purposes that the materials, shape, size and arrangement of the elements described may be modified, as long as this does not imply an alteration of the essential characteristics of the invention that are claimed below.
    权利要求:
    Claims (2)
    [1]
    1. Device for assisting the gumming of dies; applicable in the manufacture of dies, characterized in that it comprises:
    - a first table (1) for supporting a rubber plate (8) in which different pieces of rubber necessary for the gumming of a die (9) are cut;
    - a second table (2) to support the die (9) to be gummed;
    - a computer (6) provided with a memory in which CAD files are stored containing a complete diagram of all the rubber pieces (81) stamped on the rubber plate and a diagram of said rubber pieces (81) located in their final position in the die (9);
    - a first projector (41) and a first camera (51) for capturing images, facing the first table (1) for supporting the rubber plate (8) and connected to said computer (6);
    - a second projector (42) and a second camera (52) facing the second table (2) for supporting the die (9) and connected to said computer (6);
    - a user interface (7) for individualized selection in the stored files of the successive rubber pieces (81) to be placed in the die (9);
    - an artificial vision software, installed in the computer (6), that from the images captured by the cameras (51);
    - determines the position and orientation of the rubber sheet (8) on the first table (1) and of the die (9) to be gummed on the second table (2); Y
    - causes the projection by the first projector (41) of the image of the rubber piece (81) selected through the user interface (7), onto the position of said rubber piece (81) on the rubber plate ( 8), and the projection by the second projector (42) of the image of said rubber piece (81) onto its final position in the die (9).
    [2]
    Device, according to claim 1, characterized in that the first table (1) comprises a translucent surface (11) for supporting the rubber sheet (8) and a lighting element (3) that backlights said translucent surface (11 ) from the lower area, increasing the contrast of the image captured by the first camera (51), from which the software determines the position and orientation of the rubber plate (8) on said first table (1).
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    同族专利:
    公开号 | 公开日
    ES2803083B2|2022-01-24|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    FR2565884A1|1984-06-15|1985-12-20|Andre Chaussures Sa|Method and device for placing, especially a hide, on a surface for automated cutting out.|
    FR2603513A1|1986-09-04|1988-03-11|Automatique Indle|Machine for cutting products in sheet form, particularly hides and skins|
    EP1466712A2|2003-03-28|2004-10-13|SERIGRAFICA TOSI S.r.l.|Method for manufacturing means for making embossed decoration patterns on ceramic tiles|
    EP2327521A1|2009-11-27|2011-06-01|Heidelberger Druckmaschinen AG|Method for adjusting tools|
    WO2014028959A1|2012-08-24|2014-02-27|Tgw Logistics Group Gmbh|Method and system for assisting a worker in a system for manipulating goods items|
    EP2705936A1|2012-09-06|2014-03-12|Heidelberger Druckmaschinen AG|Method for determining the need for adjustment and method for producing an adjustment sheet|
    WO2018073419A1|2016-10-21|2018-04-26|Trumpf Werkzeugmaschinen Gmbh + Co. Kg|Sorting support method and flat bed machine tool|
    EP3342568A1|2016-12-28|2018-07-04|Fundacion Centro de Tecnologias de Interaccion Visual y Communicaciones VICOMTECH|Digitally assisted compensation of misalignments in die cutting of cardboard|
    法律状态:
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201900128A|ES2803083B2|2019-07-22|2019-07-22|Die gumming assistance device|ES201900128A| ES2803083B2|2019-07-22|2019-07-22|Die gumming assistance device|
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