• 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:
    Machine for folding a sheet of material intended to be used as a napkin and method for folding and sheathing said sheet. The machine comprises a sheathing unit (2) including at least one robotic element (6) for positioning a sheath (5) on a surface (13) of said sheathing unit (2), a bending unit (3) of said sheet (10) provided with at least one transport blade (20) capable of being arranged in contact with the sheet (10), said folding unit (3) further including at least one blade (21a, 21b) for folding a portion of the sheet (10) over the transport blade (20), means (4a, 4b, 4c) to introduce the folded sheet assembly (10) and the transport blade (20) into the interior of the cover (5) disposed on the surface (13) of the sheath unit (2), and at least one device (15) for retaining the folded sheet (10) inside the sheath (5) while the transport shovel (20) is extracted from inside the sheath (5). The method makes automatic folding and wrapping of napkins possible. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2685099A1
    申请号:ES201700493
    申请日:2017-03-31
    公开日:2018-10-05
    发明作者:Eric Georges André BEERNAERT
    申请人:Eric Georges André BEERNAERT；
    IPC主号:
    专利说明:

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    As can be seen in figures 2, 3, 4, 9 and 10, the surfaces 13,14 of the sheathing units 2 and bending 3 comprise protrusions 11,12 anti-displacement, so that once the sheath 5 or sheet 10 is positioned on the surface 13,14 of the respective sheathing unit 2 or folded 3, its movement is limited. In the described embodiment, the anti-displacement protrusions 11,12 are inserted under pressure in holes 17,18 (not shown) of the surface 13,14 of the sheathing unit 2 or bending 3, allowing the machine 1 use different sizes of sheets 10 and / or covers 5.
    The bending unit 3 is provided with a transport blade 20 and two folding blades 21 a, 21b. The transport blade 20 is mounted articulated to a support that allows it to rotate in a vertical plane from an initial position to a sheathing position of the sheet 10 (see Figures 3 and 7). As can be seen in Figure 2, the transport blade 20 can be located in an intermediate position between the initial position and the sheathing position so as not to interfere with the positioning of the sheet 10 on the bending blades 21a, 21b
    In the described embodiment, once the sheet 10 is located on the folding blades 21a, 21b, the transport blade 20 is positioned in contact on the opposite side of the sheet 10 (see figure 3). The two folding blades 21 a, 21b are mounted by means of joints that rotate to bend two portions of the sheet. A first folding blade 21a rotates to bend a portion of the sheet 10 onto the transport blade 20 and then a second folding blade 21b rotates to bend another portion of the sheet 10 onto the first folding blade 21a (see figures 4 and 5).
    According to the described embodiment, the first bending blade 21a is mounted so that it travels on a horizontal plane to be extracted from under the second bending blade 21b (see Figure 6). Once this bending blade 21a has been removed, the transport blade 20 and the second folding blade 21b, simultaneously rotate in the vertical plane together with the folded sheet 10 to the mentioned sheathing position. In this way, the blades 20, 21b act as a clamp by applying a sufficient force to hold the folded sheet 10 so that it does not move during the rotation, which can cause a bad sheath or the fall of the latter to the ground (see figure 7) .
    Once the folded sheet assembly 10, transport blade 20 and the second folding blade 21b are arranged in the sheathing position, the sheathing unit 2 is moved to allow the introduction of the folded sheet assembly 10, transport blade 20 and the second folding blade 21b inside the sheath 5 (see figure 9). For this, this sheathing unit 2 has been mounted movable on a frame 4a provided with guiding elements 4b and with suction effectors 4c configured at one of the ends of the robotic element 6 (see figures 8 and 9).
    As shown in Figures 9 and 10, the suction effectors 4c will be positioned so that they correspond to the surface 13 that receives and positions the sheath 5. In the embodiment described, the effectors 4c comprise suction cups which suction the upper part of the cover 5, in a position close to the inlet port 22. In an embodiment not illustrated, the effectors 4c may be located in the lower part of the cover 5, suctioning the lower part of the cover and separating both sides of the cover 5 to facilitate the introduction of the folded sheet assembly 10 and the transport blade 20.
    The machine 1, as seen in Figure 10, comprises a device 15 for retaining the folded sheet 10 inside the sheath 5 while the transport blade 20 is removed from the inside of the sheath 5. In the embodiment that described, this device 15 includes a clamping element disposed on one side of the surface 13 of the sheathing unit 2
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    which receives the sheath 5 to hold one end of the sheath 5 opposite the inlet port 22 and the sheet 10, allowing the removal of the transport blade 20. Alternatively, the clamping element can be positioned in front of the inlet port 22 of the cover 5 holding it, while holding the folded sheet 10.
    Both the ends of the transport blades 20 and the folding blade 21 a, 21b define a recess 19 at one of its ends, configured to allow the holding of the sheet 10 by the retention device 15.
    Once the bending and wrapping process is finished, the sheet 10 folded and wrapped in a sheath 5 falls down a ramp (not shown) located under the sheathing unit 2 to a collection container.
    It should be noted that due to compliance with the requirements of hygiene and health, the materials of the different parts of the machine will be, among others, aluminum, stainless steel or carbon fiber.
    In summary, the method of operation of the embodiment described in accordance with the figures comprises the steps of:
    a) position a sheet 10 on a first and a second folding blade 21 a, 21b of the folding unit 3.
    b) Position the transport blade 20 on the sheet 10.
    c) Fold a portion of the sheet 10 onto the transport blade 20 by the folding blade 21a and then fold another portion of the sheet 10 onto the blade 21a by the blade 21b.
    d) Move the folding blade 21a in a horizontal plane so that it can be extracted from under the folding blade 21a.
    e) Simultaneously rotate a transport blade assembly 20, the folding blade 21b and the sheet 10 folded in the vertical plane to the sheathing position.
    f) Position a sheath 5 on a surface 13 of the sheathing unit 2 by means of a robotic element 6.
    g) Insert the transport blade assembly 20, the folding blade 21b and the folded sheet 10 inside the cover 5 arranged on the surface 13 of the sheathing unit 2.
    h) Retain the folded sheet 10 inside the cover 5 by means of a retention device 15 while the transport blade 20 and the blade 21b are removed from the inside of the cover 5.
    As discussed in the description of the invention, this method allows the automatic folding and wrapping of napkins, without the need for manual manipulation by an operator.
    Although reference has been made to a specific embodiment of the invention, it is apparent to one skilled in the art that the described machine and method are susceptible of numerous variations and modifications, and that all the mentioned details may be
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    replaced by other technically equivalent ones, without departing from the scope of protection defined by the appended claims. For example, although the machine has been described by performing the function of folding and sheathing a sheet of material, it would also be possible to perform only the sheathing with the same machine. In this case, a previously folded sheet would be placed on the transport shovel, and one of the folding blades would only exercise the function of holding the folded sheet on the transport shovel, to ensure the correct movement and introduction of the assembly into the inside of the case.
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    权利要求:
    Claims (1)
    [1]
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    同族专利:
    公开号 | 公开日
    ES2685099B1|2019-04-02|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    CA787256A|1968-06-11|Holland-Rantos Company|Moist packaged articles and method for making same|
    JPS63247269A|1987-03-31|1988-10-13|Orion Kikai Kogyo Kk|Folding device|
    JPH03226411A|1990-01-22|1991-10-07|Zuikou:Kk|Apparatus for manufacturing napkin continuously|
    US20080302066A1|2004-01-26|2008-12-11|Payam Lavi|Food Service Set Assembly System and Method|
    US20120329628A1|2009-12-28|2012-12-27|Rofobox Gmbh|Folding apparatus for folding of non-rigid material parts|
    CN104724539A|2015-01-30|2015-06-24|哈尔滨工程大学|Napkin folding machine|
    法律状态:
    2018-10-05| BA2A| Patent application published|Ref document number: 2685099 Country of ref document: ES Kind code of ref document: A1 Effective date: 20181005 |
    2019-04-02| FG2A| Definitive protection|Ref document number: 2685099 Country of ref document: ES Kind code of ref document: B1 Effective date: 20190402 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201700493A|ES2685099B1|2017-03-31|2017-03-31|MACHINE FOR BENDING AND / OR FOUNDING A PLATE OF MATERIAL INTENDED TO BE USED AS A NAPKET AND METHOD FOR FOLDING AND / OR FOUNDING SUCH SHEET|ES201700493A| ES2685099B1|2017-03-31|2017-03-31|MACHINE FOR BENDING AND / OR FOUNDING A PLATE OF MATERIAL INTENDED TO BE USED AS A NAPKET AND METHOD FOR FOLDING AND / OR FOUNDING SUCH SHEET|
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