• 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 closing cardboard boxes, provided with an input feeder (1) of boxes (5) provided with: a bottom (55), two larger laterals (56) parallel and two ends (54) parallel and a lid exterior (51) with two extreme flaps (53). It comprises: - a station (2) for closing the outer lid (51) which has: a longitudinal conveyor (21, 22). A first presser foot (23), a first hot glue dispenser (24) on an inner cover a guide element (25) of the outer cover, and a second presser (26) that presses the outer cover (51), on the horizontal position of closing, against the inner lid (52) previously glued and; - a station (3) for closing the end flaps (53) provided with: a transverse conveyor (31), two second hot glue dispensers (32) and two closing pushers (33). (Machine-translation by Google Translate, not legally binding)
    公开号:ES2716910A1
    申请号:ES201930250
    申请日:2019-03-19
    公开日:2019-06-17
    发明作者:Guimera David Canals
    申请人:Controlpack Systems SL；
    IPC主号:
    专利说明:

    [0001]
    [0002] Machine for closing cardboard boxes
    [0003]
    [0004] Sector of the technique.
    [0005]
    [0006] This invention relates to a machine for closing cardboard boxes, in particular boxes provided with: a bottom, two parallel major laterals and two parallel ends defining an elongated prismatic body; and an outer cover with two end flaps intended to be glued and fixed respectively on an internal cover and on two opposite ends of the box.
    [0007]
    [0008] This machine is applicable in the field of packaging, and in particular in the closing of elongated boxes, suitable for transporting profiles, bars or other elongated elements.
    [0009]
    [0010] State of the art
    [0011]
    [0012] Currently, cardboard boxes used for the packaging of various products are widely known and have a body formed by a bottom four vertical walls, two perpendicular to each other, and closing flaps that extend from the upper end of the walls. respective major sides of the box.
    [0013]
    [0014] Different types of machines designed to close the upper covers are also known, at least one of them forming an outer cover and the remaining ones with inner covers.
    [0015]
    [0016] The machines used for the closing of this type of boxes, with a similar length, height and width, have folding abutments that, in a certain position of the box, act on the covers, causing them to be lowered from an open position to a closing position.
    [0017]
    [0018] The mechanisms used in this type of machines are not applicable to long boxes, suitable for the transport of profiles, bars or elongated elements, and having on the top an inner lid and an outer lid extending from the upper ends of the larger sides and occupying the entire length thereof; and end flaps, defined at the opposite ends of the outer lid, intended to be closed on opposite ends of the body of the box. This impediment is determined by the high length of the upper covers of the boxes.
    [0019]
    [0020] Therefore, the technical problem that arises is the development of a machine suitable for closing this type of elongated cardboard boxes, which have a length much greater than its width and height.
    [0021]
    [0022] It is worth mentioning that the applicant of the invention is unaware of the existence in the market of machines that allow continuous closure of successive elongated boxes and with the characteristics mentioned above.
    [0023]
    [0024] Explanation of the invention
    [0025]
    [0026] The machine of this invention has characteristics especially indicated for closing boxes that define an elongated prismatic body, suitable for the transport of profiles bars or elongated elements and an outer cover with the length of the box and provided with the end flaps, the outer cover being adapted to be fixed, by gluing, on an internal cover, and the two end flaps to be fixed, by gluing, on the opposite ends of the box.
    [0027]
    [0028] This machine has an input feeder accessed by the shaped boxes and with the external lid in an open and substantially vertical position.
    [0029]
    [0030] According to the invention, this machine comprises a station for closing the outer lid on the inner lid, and a closing station for the end flaps on the opposite ends of the box, once the outer lid is fixed, carrying said flaps extreme, on the inner cover.
    [0031]
    [0032] The closing station of the outer lid on the inner lid comprises a longitudinal conveyor and, spaced in the direction of advance of the boxes:
    [0033] - a first trainer that acts on the inner lid of the box keeping it in a horizontal closing position and which, in turn, maintains the outer cover, on its way through said hold-down, in an open and sensibly vertical position.
    [0034] - a first hot glue dispenser on the inner lid of the box;
    [0035] - a guiding element for the progressive lowering of the outer cover towards the horizontal closing position and,
    [0036] - a second presser that presses the outer cover, in the horizontal closing position, against the inner cover glued previously.
    [0037]
    [0038] The arrangement of these elements along the closing station of the outer cover allows the gluing of the inner lid and the closing of the outer lid as it advances through said station, which allows to work with boxes of different length without this being a problem when carrying out the folding of the outer cover towards the closing position.
    [0039]
    [0040] Once the outer cover has been closed, the end flaps defined at the ends of the outer cover are open and substantially horizontal.
    [0041]
    [0042] The closing station of said end flaps on the opposite ends of the box comprises a transverse conveyor that moves the boxes, with the outer lid closed and with the end flaps open, in a direction perpendicular to the direction of advance of the boxes by the inside of the closing station of the outer lid described above.
    [0043]
    [0044] This station has two second hot glue dispensers which apply the hot glue on the opposite ends of the box, said second glue dispensers being arranged on opposite sides of the transverse conveyor.
    [0045]
    [0046] Following the aforementioned second hot glue dispensers, this station has two pushers that press the end flaps against the respective ends of the box, previously glued, to a vertical closing position.
    [0047]
    [0048] The first presser foot, the first tail dispenser, the guide element and the second presser of the closing station of the outer cover are fixed below. a raised chassis, vertically displaceable, and enabled vertical displacement between an inoperative upper position and a lower operative position, in which they act on the box to be glued and closed.
    [0049]
    [0050] This feature allows, as noted above, that they can work continuously and on the successive boxes to be closed, regardless of the length of said boxes.
    [0051]
    [0052] Taking into account that the boxes to be closed are of a high length, for example of about two or three meters, to facilitate handling during the gluing and closing of the outer cover, and the gluing and closing of the end caps, the boxes are move through the corresponding stations in perpendicular directions; the machine comprising between the closing station of the outer lid and the closing station of the end flaps a transfer conveyor at 90 degrees, in which the boxes coming from the closure station of the outer lid in the longitudinal direction are picked up by the transverse conveyor of the closing station of the end flaps, which also allows to minimize the space necessary for the implementation of the machine.
    [0053]
    [0054] Brief description of the contents of the drawings.
    [0055]
    [0056] To complement the description that is being made and in order to facilitate the understanding of the characteristics of the invention, a set of drawings in which, with an illustrative and non-limiting character, the following has been represented is attached to the present specification:
    [0057]
    [0058] - Figure 1 shows a schematic elevation view of an embodiment of the machine for closing cardboard boxes according to the invention.
    [0059]
    [0060] - Figure 2 shows a schematic view on the upper floor of the machine of the previous figure, in which the arrangement of the different conveyors and closing stations can be observed.
    [0061]
    [0062] - Figure 3 shows an elevation view of the closing station of the outer lid in an operative position.
    [0063] - Figure 4 shows schematically a perspective view of a box and the action of the different elements of the station of figure 4 during the gluing and closing of the outer cover of the box.
    [0064]
    [0065] - Figure 5 shows an elevation view of the closing station of the end flaps on the opposite ends of the box.
    [0066]
    [0067] - Figure 6 shows a perspective detail of one end of the box during the hot glue application by the corresponding second hot glue dispenser.
    [0068]
    [0069] - Figure 7 shows a view analogous to figure 5 during the action of the pushers responsible for pressing the end flaps against the glued ends of the box to the closed position.
    [0070]
    [0071] - Figure 8 shows a perspective view of one end of the box during the actuation of one of the pushers on a closing flap.
    [0072]
    [0073] Detailed description of embodiments of the invention.
    [0074]
    [0075] In figure 1 the machine comprises an input feeder (1) provided with a conveyor belt (11) for receiving the boxes (5) to be closed and their longitudinal movement towards a station (2) for closing the outer lid ( 51) on the inner cover (52) of the box (5) and a station (3) for closing the end flaps (53) of the box on the ends of said box (5) as will be indicated later.
    [0076]
    [0077] Between the closing station (2) of the outer cover (51) and the closing station (3) of the end flaps (53), the transfer conveyor (4) is arranged at 90 °, which receives in the longitudinal direction the boxes from the station (2) and deliver them to a transverse conveyor (31) of the station (3).
    [0078]
    [0079] Figure 2 shows schematically the layout of the entrance feeder (1), the stations (2, 3) and the transport conveyor. transfer (4).
    [0080]
    [0081] Figure 3 shows the station (2) for closing the outer lid (51) of the box (5).
    [0082]
    [0083] This station (2) comprises a longitudinal conveyor which, in this example embodiment, comprises a roller track (21) with free rotation and a pair of lateral conveyor belts (22) for moving the boxes (5) to be closed in longitudinal direction.
    [0084]
    [0085] Said station (2) comprises in the forward direction of the box (5): a first trainer (23), a first hot-glue dispenser (24), a guiding element (25) and a second trainer (26); all of them fixed to a raised chassis (27) vertically displaceable, and made possible to move between an inoperative upper position, and a lower operative position represented in figure 4.
    [0086]
    [0087] In said figure 4 said elements can be seen by gluing and closing the outer cover (51) on the inner cover (52) of a box (5).
    [0088]
    [0089] In Figure 4 the box (5) has an elongated configuration, suitable for the transport of elongated elements such as profiles, bars or the like, and comprises a bottom (55), two larger laterals (56) parallel, and two ends (54). ), said major laterals (56) extending superiorly on the outer cover (51) and the inner cover (52); the outer lid (51) presenting at its smaller ends the end flaps (53) for closing the ends (54) of the box.
    [0090]
    [0091] In Figures 3 and 4 the first hold down (23) acts on the inner cover (52) keeping it in a horizontal closing position, and keeps the outer cover (51) open in a vertical position to allow the first hot glue dispenser ( 24) apply glue on the inner cover (52).
    [0092]
    [0093] The guide element (25) causes the outer cover (51) to bend towards the closed position as it passes through said guide element (25), the second presser (26) being responsible for pressing the outer cover (51) against the inner cover 52, previously glued, and establish the closure of said outer cover (51).
    [0094] Once the closing of the outer cover (51) is completed, the end flaps (53) are maintained in a substantially horizontal position and the box is moved in the longitudinal direction towards the transfer conveyor (4) at 90 °, where it is collected and displaced by the transverse conveyor (31) of the closing station (3) of the end flaps (53).
    [0095]
    [0096] As shown in figures 5 and 6 in this station 3 the second hot-glue dispensers (32) perform the application of hot glue on the ends (54) of the box (5) and subsequently the pushers (33) cause the abatement from the end flaps (53) to a vertical closing position, pressing them against the ends (54) of the box 5, previously glued.
    [0097]
    [0098] The pushers (33) comprise pneumatic cylinders (33a) with an inclination of about 45 ° in order to move a thrust plate (33b) of the end flaps (53) towards the closed position.
    [0099]
    [0100] The inclination of the pneumatic cylinders (33a) of the pushers (33) ensures that the push plates (33b) act correctly on the end flaps (53) by moving them from the horizontal opening position to the vertical closing position shown in the figures 7 and 8
    [0101]
    [0102] Once the nature of the invention has been sufficiently described, as well as a preferred embodiment, it is stated for the appropriate purposes that the materials, shape, size and arrangement of the described elements may be modified, provided that this does not entail an alteration of the essential features of the invention that are claimed below.
    权利要求:
    Claims (6)
    [1]
    1.- Machine for closing cardboard boxes, provided with an input feeder (1) to which access a few boxes (5) to be closed that include: a bottom (55), two laterals (56) parallel and two ends (54) parallels defining an elongated prismatic body for the transport of profiles, bars or elongated elements; and an outer cover (51) with two end flaps (53) to be closed on an inner cover (52) and on two ends (54) of the box respectively; characterized because it comprises:
    - a station (2) for closing the outer lid (51) on the inner lid (52), comprising:
    - a longitudinal conveyor (21, 22) of boxes (5) and, spaced apart in the forward direction of the boxes;
    - a first hold down (23) acting on the inner cover (52) of the box and holding it in a horizontal closing position, and maintaining the outer cover (51), on its way through said first hold down (23), in an open position, - a first hot glue dispenser (24) that applies the glue on the inner lid (52) of the box (5);
    - a guiding element (25) for the progressive folding of the outer cover (51) towards a horizontal closing position on the inner cover (52),
    - a second presser (26) that presses the outer cover (51), in the horizontal closing position, against the inner cover (52) previously glued and;
    - a station (3) for closing the end flaps (53) on the opposite ends (54) of the box (5), comprising:
    - a transverse conveyor (31) that moves the boxes (5), with the outer lid (51) glued and closed and with the end flaps (53) open, in a direction perpendicular to the direction of advance through the interior of the station (2) closing the outer cover (51);
    - two second hot glue dispensers (32) arranged on opposite sides of the transverse conveyor (31) and applying hot glue on the ends (54) of the box (5) and,
    - two pushers (33), arranged on opposite sides of the transverse conveyor (31), which press the end flaps (53) against the respective ends (54) of the box (5) to a vertical closing position.
    [2]
    2. - Machine, according to claim 1, characterized in that the first presser (23), the first hot glue dispenser (24), the guide element (25) and the second presser (26) of the station (2) of closure of the outer cover (51) are fixed to a raised chassis (27) vertically movable and made possible to move between an inoperative upper position and an operative lower position in which they act on the box (5) to be closed.
    [3]
    3. - Machine according to any one of the preceding claims; characterized in that it comprises between the closing station (2) of the outer lid (51) and the closing station (3) of the end flaps (53) a transfer conveyor (4) at 90 degrees, in which the boxes ( 5) proceeding in the longitudinal direction of the closing station (2) of the outer cover (51), are picked up by the transverse conveyor (31) of the closing station (3) of the end flaps.
    [4]
    4. Machine, according to any one of the preceding claims; characterized in that the longitudinal conveyor of the closing station (2) of the outer cover (51) comprises a roller track (21) with free rotation and a pair of lateral conveyor belts (22) for the longitudinal movement of the boxes ( 5).
    [5]
    5. - Machine, according to any one of the preceding claims; characterized in that the pushers (33) of the closing station (3) of the end flaps (53) comprise pneumatic cylinders (33a) with an inclination of about 45 ° responsible for displacing a thrust plate (33b) of the end flaps (53) to a vertical closing position.
    [6]
    6. - Machine, according to any one of the preceding claims; characterized in that the input feeder (1) comprises a conveyor belt (11) for receiving the boxes (5) to be closed and their longitudinal movement towards the closing station (2) of the outer cover (51).
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    同族专利:
    公开号 | 公开日
    ES2716910B2|2020-02-10|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US3140809A|1958-07-30|1964-07-14|Packaging Corp America|Sealed carton|
    GB901133A|1959-07-04|1962-07-18|Rolf Lennart Ignell|Improvements in and relating to folding boxes|
    US3455496A|1964-03-27|1969-07-15|Procter & Gamble|Seal end carton|
    US3394866A|1966-03-03|1968-07-30|Silver Stanley Milton|Blank for siftproof cartons|
    US3514922A|1966-09-28|1970-06-02|Union Camp Corp|Five panel folder machine|
    US20070108259A1|2003-08-11|2007-05-17|Toshiya Daikyo|Paper package and straw|
    法律状态:
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    优先权:
    申请号 | 申请日 | 专利标题
    ES201930250A|ES2716910B2|2019-03-19|2019-03-19|MACHINE FOR THE CLOSURE OF CARTON BOXES|ES201930250A| ES2716910B2|2019-03-19|2019-03-19|MACHINE FOR THE CLOSURE OF CARTON BOXES|
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