EP0448444A1 - Falt- und Leimmaschine für vorgeschnittene Zuschnitte, die sich für die Herstellung von Schachteln verschiedener Ausmasse anpassen lassen - Google Patents

Falt- und Leimmaschine für vorgeschnittene Zuschnitte, die sich für die Herstellung von Schachteln verschiedener Ausmasse anpassen lassen Download PDF

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Publication number
EP0448444A1
EP0448444A1 EP91400671A EP91400671A EP0448444A1 EP 0448444 A1 EP0448444 A1 EP 0448444A1 EP 91400671 A EP91400671 A EP 91400671A EP 91400671 A EP91400671 A EP 91400671A EP 0448444 A1 EP0448444 A1 EP 0448444A1
Authority
EP
European Patent Office
Prior art keywords
zone
forming
machine according
gluing
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP91400671A
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English (en)
French (fr)
Inventor
Hervé Jean-Marie Bouret
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0448444A1 publication Critical patent/EP0448444A1/de
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/005—Making rigid or semi-rigid containers, e.g. boxes or cartons involving a particular layout of the machinery or relative arrangement of its subunits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/36—Folding sheets, blanks or webs by continuously feeding the sheets, blanks or webs to stationary members, e.g. plates, ploughs or cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/58—Folding sheets, blanks or webs by moving endless belts or chains

Definitions

  • the invention which relates to a machine intended for forming boxes of variable size relates more precisely to a folding and gluing machine for pre-cut cardboard sheets.
  • a flat box centered on this box is therefore "pushed" by the jack in the box, the edges of which simultaneously lift and glue the edges. Then the box thus formed is evacuated downwards by a conveyor belt, while the next pre-glued cardboard takes its place above the case, etc.
  • the main object of the invention therefore consists of a folding and gluing machine for pre-cut boxes, adaptable to the manufacture of boxes of different dimensions, comprising a distribution zone piece by piece of boxes stacked flat on at least one conveyor belt which routes them to a forming mechanism intended to fold and glue the tabs of said cardboard, and of the bodies for evacuating the formed boxes, machine in which the forming mechanism consists essentially of two lateral forming walls framing the horizontal conveyor belt and forming gutters profiled in a helix from from a horizontal plane at the entrance to the forming zone to a vertical plane at the exit from this zone, and according to which it comprises, after said forming mechanism, a gluing zone comprising a gluing mechanism and at least one cylinder movable from bottom to top to fold the front and rear edges of the carton.
  • the lateral forming walls consist of several endless moving belts stretched between a roller with a horizontal axis disposed at the level of the horizontal conveyor belts and at the entrance to the forming zone and a vertical axis shaft placed at the outlet of said zone laterally to the conveyor belts.
  • At least one belt returns to the roller and the shaft as close as possible to the conveyor belts, while at least one other belt returns to the roller and the shaft as far as possible from said belts.
  • the machine according to the invention also has, in the gluing area, glue dispensing nozzles, oriented horizontally in the direction of the central strips and supplied from a programmed central glue production unit.
  • gluing zone in the gluing zone are provided, on either side of the central strips, pressure cylinders acting transversely towards the center of the machine, and at the exit from the gluing zone are provided cylinders the profiled head movable from the bottom up can act on the edges of a cardboard.
  • the machine shown as a whole in FIG. 1 consists of a frame 1 extending longitudinally, which can be divided into four zones: a distribution zone (A), a forming zone (B), a zone glue (C) and an evacuation zone (D).
  • A distribution zone
  • B forming zone
  • C zone glue
  • D evacuation zone
  • Zone (A) essentially comprises a feed belt 5 formed of a plurality of conveyor belts 2 receiving a stack of cartons 3 guided between two lateral guide edges 4.
  • a bracket 6 overhanging the belt 5, carries a profiled blade 7 for retaining cartons in offset stack, blade through which the cartons are distributed piece after piece one after the other in the direction of the next station, in the direction of the arrow.
  • a retractable stopper 8 is provided to allow only one cut to be engaged at a time.
  • the forming zone (B) has a forming mechanism which can be called the "former” and essentially comprises a set of horizontal conveyor belts 9 extending the belts 2 and two lateral forming walls 10, framing the bands 9 and in a way constituting gutter profiles in helix, of width 1 which, at the level of the beginning of the strips 9, are in a plane horizontal, then gradually straighten in twist until the exit of this zone where the two walls 10 are then in a vertical plane.
  • These walls may, according to a variant embodiment not shown, consist of independent semi-rigid rods juxtaposed and more or less spaced from each other, rods which together form a helical sheet as before.
  • the lateral forming walls consist of several endless moving belts 11.
  • each of these belts 11 is stretched between a roller 12 with a horizontal axis AA ′ disposed at the level of the distribution belt 2 and bands 9, at the entrance to the forming zone and a shaft 13 of vertical axis BB ′ placed at the exit from the forming zone, laterally to the conveyor belts 9.
  • the belt 11a runs approximately along the horizontal conveyor belt since it returns to the roller 12 as close as possible to said belt and to the shaft 13 at the bottom thereof.
  • the belt 11c starts from a location on the roller 12 as well as on the shaft 13 which is furthest, laterally and in height, from the conveyor belt.
  • the belt 11b occupies an intermediate position.
  • the belts do not shift on their support, they are guided in profiled rollers 14 forming sleeves around the roller and the shaft, to which they can be fixed to follow their rotational movement.
  • At least two side rollers 14a and 14c, both on the roller 12 and on the shaft 13 can be moved on their support, that is to say more or less apart or closer together to modify the location and spacing of the belts 11 depending on the width of the carton to be folded. Once in position the rollers 14 are easily fixed to their support by keying or other system similar.
  • FIG. 3 shows a general schematic representation of a particular embodiment showing the distribution zone (A), the forming (B) and gluing (C) zone, in which continuous central strips 15 replace the carpet d feed 5 and the conveyor belts 9.
  • These belts mesh on a drive roller 16 driven by a motor 17.
  • the same motor by means of the transmission chains 18 drives the two horizontal rollers 12 and consequently the belts 11, which rotate in synchronism with the bands 15.
  • gluing zone (C) there are provided nozzles 19 for dispensing glue oriented horizontally in the direction of the central strips and supplied by conduits 20 from a programmed central unit 21 for producing glue (FIG. 1). Near the nozzles are provided, on either side of the central strips, two press jacks 22 acting transversely towards the center of the machine.
  • jacks 23 At the exit from the gluing zone (C) are provided jacks 23, whose profiled head 24, movable from bottom to top can act on the edges of a carton.
  • the evacuation takes place by a horizontal transfer mat 25 mounted on rollers 26, which is bordered laterally by a plurality of endless belts 27 returning on vertical rotating axes 28.
  • a the output of this mat there is a set of cylinders 29 similar to the cylinders 23 disposed at the entrance.
  • a recovery plate 30 located in the evacuation zone (D), possibly also consisting of a movable belt, which develops between guide edges 31.
  • FIGS. 6 and 7 show the development of a carton with respect to the different zones of the machine.
  • a cardboard box 3, received by the supply conveyor 5 is placed so that its notches 34 are oriented transversely to the direction of unwinding of the conveyor.
  • the cardboard 3 is therefore flat, including its lateral edges 3a, its front edge 3b and its rear edge 3c.
  • Grooves 35 mark the cardboard - in view of its folding - between the central part 3 and its peripheral edges. Other small grooves 36 delimit on the front and rear edges, at the notches 34, small tabs or tabs 37.
  • the marking of the longitudinal grooves 35 that is to say grooves located between the bottom 3 and the lateral edges 3a can easily be provided continuously on a succession of cardboard and by the same pass, on another machine for preparing grooved cardboard.
  • As against the transverse grooves 35, between the bottom 3 and the front edges 3b and rear 3c are, it is understood, less easy to achieve than the previous ones, and require a total recovery of the boxes and a new grooving station.
  • the machine according to the invention has the advantage of being able to use cartons which would not have these transverse grooves, since the jacks 24, 29 ensuring the folding of the front and rear edges, would ensure this work correctly, even in the absence of this transverse pre-cleaning.
  • the machine therefore saves time upstream during the preparation of cartons.
  • the cardboard (position I) is therefore released from the distribution zone (A) by the stopper 8 and will be taken up in the forming zone (B) by the strips 9.
  • the edges sides 3a of the carton 3 then come to bear against the lateral forming walls 10.
  • the lateral edges 3a of the carton engage between two neighboring bands 11a, 11b closest to the bands 9.
  • the cardboard being driven by the bands 9 causes the lateral edges 3a to be folded upwards according to the corresponding grooves 35 as well as the tongues 37 to be folded relative to the front and rear edges according to the grooves 36.
  • the cardboard 3 therefore has its folded lateral edges as seen in position II in FIG. 7.
  • this partially folded cardboard will overflow forward. The latter stop for a short time when the front edge 3b has escaped from said strips. Or when, in the case of FIG. 4, the cardboard has reached the limit of the projecting part of the strips 15. At this time the nozzles 19 apply a few lines of glue to the outer wall of the small folded tabs 37.
  • the jack 23 comes into action so that the head 24, by its vertical movement from bottom to top folds said front edge towards the inside of the carton, front tabs 37 therefore being folded along the inner flank of the side edges 3a already folded. These front tabs provided with their glue lines, are therefore glued against the lateral edges 3a of the carton.
  • a pressure mechanism not shown, with timed action can promote the bonding action. It will be noted that the fact of applying glue horizontally to the cutting tabs or tabs by means of the nozzles has an advantageous advantage, because when the tongues have tilted under the action of a jack the lines of glue are are oriented vertically and strengthen their bonding to the folded side of the cardboard.
  • the cardboard in position III then leaves the start of the gluing area (C). It is then taken up by the carpet horizontal transfer 25 and moved, guided by the belts 27 until its rear tabs 37 are in front of the nozzles 19 where they can receive their dose of glue, this operation being done during a very short stop of the carton or during its continuous movement on the mat 25. Then the cardboard reaches the plate 30 on which it stops when its rear edge 3a is at the level of the jacks 29. These act like the jacks 23 and fold the rear edge 3c whose tabs come to bonding, similar to those of the front edge, against the inner flank of the side edges 3a.
  • the pressing cylinders 32 and 33 operate on the front and rear edges to perfect the bonding of the finished cardboard (position IV in figure 7).
  • All of the mechanisms can be easily adjusted in width or height to adapt to any size of cardboard to be produced.
  • These walls are mounted on mobile supports which can be moved away from one another by the operation, for example, of a single rod with double thread, with manual or motorized rotation.
  • the gluing machines, the lateral jacks, the lateral guiding edges, etc ... move apart in the same way to adapt to the new size of the boxes.
  • This adjustment of adjustment is advantageously carried out in a programmable manner on the keyboard, making it possible to eliminate long and imprecise manual adjustments.
  • a work station which makes the command, control and adjustment organs easily accessible to the user.

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  • Making Paper Articles (AREA)
EP91400671A 1990-03-22 1991-03-12 Falt- und Leimmaschine für vorgeschnittene Zuschnitte, die sich für die Herstellung von Schachteln verschiedener Ausmasse anpassen lassen Withdrawn EP0448444A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9003662 1990-03-22
FR9003662A FR2659900B1 (fr) 1990-03-22 1990-03-22 Machine plieuse et colleuse de cartons predecoupes adaptable a la fabrication de boites de dimensions differentes.

Publications (1)

Publication Number Publication Date
EP0448444A1 true EP0448444A1 (de) 1991-09-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP91400671A Withdrawn EP0448444A1 (de) 1990-03-22 1991-03-12 Falt- und Leimmaschine für vorgeschnittene Zuschnitte, die sich für die Herstellung von Schachteln verschiedener Ausmasse anpassen lassen

Country Status (2)

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EP (1) EP0448444A1 (de)
FR (1) FR2659900B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1247742A1 (de) * 2001-04-04 2002-10-09 G.D S.p.A. Falzvorrichtung für eine Verpackungsmachine
CN108943849A (zh) * 2018-09-27 2018-12-07 豪德机械（上海）有限公司 一种自适应瓦楞纸纸板尺寸的折箱设备

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2904789A (en) * 1956-12-20 1959-09-22 Victory Container Corp Folding machine
US2957395A (en) * 1956-10-09 1960-10-25 Louis A Meyer Box forming machine
US3013477A (en) * 1958-12-12 1961-12-19 Louis A Meyer Box forming machine
GB997238A (en) * 1961-03-21 1965-07-07 Fmc Corp Box making machine
FR1421542A (fr) * 1964-10-24 1965-12-17 Machine pneumatique à plier, à encoller et à souder les boîtes
FR1593506A (de) * 1967-05-03 1970-06-01

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2957395A (en) * 1956-10-09 1960-10-25 Louis A Meyer Box forming machine
US2904789A (en) * 1956-12-20 1959-09-22 Victory Container Corp Folding machine
US3013477A (en) * 1958-12-12 1961-12-19 Louis A Meyer Box forming machine
GB997238A (en) * 1961-03-21 1965-07-07 Fmc Corp Box making machine
FR1421542A (fr) * 1964-10-24 1965-12-17 Machine pneumatique à plier, à encoller et à souder les boîtes
FR1593506A (de) * 1967-05-03 1970-06-01

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1247742A1 (de) * 2001-04-04 2002-10-09 G.D S.p.A. Falzvorrichtung für eine Verpackungsmachine
US6729105B2 (en) 2001-04-04 2004-05-04 G.D S.P.A. Unit for packaging products
CN108943849A (zh) * 2018-09-27 2018-12-07 豪德机械（上海）有限公司 一种自适应瓦楞纸纸板尺寸的折箱设备
CN108943849B (zh) * 2018-09-27 2023-12-15 豪德机械（上海）有限公司 一种自适应瓦楞纸纸板尺寸的折箱设备

Also Published As

Publication number Publication date
FR2659900A1 (fr) 1991-09-27
FR2659900B1 (fr) 1995-02-10

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