EP0245181B1 - Vorrichtung zum Aufstellen von Steigen aus Pappe - Google Patents

Vorrichtung zum Aufstellen von Steigen aus Pappe Download PDF

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Publication number
EP0245181B1
EP0245181B1 EP87420101A EP87420101A EP0245181B1 EP 0245181 B1 EP0245181 B1 EP 0245181B1 EP 87420101 A EP87420101 A EP 87420101A EP 87420101 A EP87420101 A EP 87420101A EP 0245181 B1 EP0245181 B1 EP 0245181B1
Authority
EP
European Patent Office
Prior art keywords
heels
punch
blank
tray
appliance
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.)
Expired
Application number
EP87420101A
Other languages
English (en)
French (fr)
Other versions
EP0245181A1 (de
Inventor
Charles Cathala
Alain Choquet
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.)
Continentale Du Carton Ondule Socar SA Ste
Original Assignee
Continentale Du Carton Ondule Socar SA Ste
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 Continentale Du Carton Ondule Socar SA Ste filed Critical Continentale Du Carton Ondule Socar SA Ste
Priority to AT87420101T priority Critical patent/ATE41358T1/de
Publication of EP0245181A1 publication Critical patent/EP0245181A1/de
Application granted granted Critical
Publication of EP0245181B1 publication Critical patent/EP0245181B1/de
Expired legal-status Critical Current

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Classifications

    • 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
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
    • 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
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
    • B31B50/46—Folding sheets, blanks or webs by plungers moving through folding dies and interconnecting side walls

Definitions

  • the present invention relates to a device for mounting cardboard trays, and more especially trays comprising a bottom delimited by two longitudinal walls and two transverse walls, the transverse walls each comprising two longitudinal returns to perform their assembly to the longitudinal walls.
  • This device is also capable of assembling plates which, as a variant, comprise a return parallel to the bottom, called a " sidewalk", itself having two lateral overhangs, folded down and fixed against the longitudinal returns.
  • the forming of a plate is carried out by a tool in the shape of a punch ensuring the folding of the side walls along lines of creasing previously formed on one of the faces of the cardboard blank.
  • the punching tool must keep the glued parts in pressure against each other until the glue has completely set, to ensure a final assembly.
  • This arrangement allows, during each revolution of the carousel, a partial superposition, over time, of the folding and pressure-maintaining operations performed on blanks successively introduced into the machine.
  • the present invention aims to provide a simple device for shaping trays which can advantageously equip a carousel.
  • this shaping device comprises, on the one hand, a matrix comprising several series of shaping ramps delimiting a horizontal opening, vertically offset and arranged longitudinally and transversely to the blank from which the tray is made, and located at the level of the creasing lines that the blank comprises, and on the other hand, a punch comprising two parallel heels arranged symmetrically with respect to a transverse median plane of the blank, this punch being associated with means ensuring its vertical displacement, and the heels being movable towards each other between a spaced apart position in which the outer edges of the heels are located at a distance from each other corresponding to the inner length of the platform and a close up position in which the outer edges of the heels are located at a distance from each other less than the internal length of the plate, the punch control means being arranged such so that, when the blank is brought in, the punch is located above the ramps and then, after positioning it, it is moved vertically downwards, the heels being in the separated position, so that move the blank in contact with the ramps which ensure its shaping, then
  • the lowering phase of the punch corresponds to the shaping of the tray, while the drying is carried out in a position where the glued walls of the tray are kept pinched between the ramps and the punch.
  • the plate shown in FIGS. 1 and 2, obtained from a blank 2 comprises a bottom 3, separated by longitudinal 4 and transverse 5 creasing lines, with respectively longitudinal 6 and transverse 7 walls.
  • the two transverse walls 7 are provided with two longitudinal returns 8 intended to be fixed against the longitudinal walls 6.
  • each transverse wall 7 has a transverse return 9 from which it is separated by a creasing line 10, each return 9 being equipped, at its two ends, with two lugs 12, from which it is separated by creasing lines 13.
  • the returns 9 extend parallel to the bottom of the plate in the direction of the interior thereof, keeping it in piac? of each return 9, also called “sidewalk", being provided by bonding the legs 12 against the longitudinal returns 8.
  • This assembly can be carried out using the machine shown as a whole in FIGS. 3 to 5.
  • This machine is of the carousel type comprising a central column 14 on which are pivotally mounted four stations 15 for shaping trays, arranged at 90 ° from each other. These four stations are rotated in steps around the column, by means of a motor, not shown, the output shaft of which carries a pinion 16 meshing with a toothed crown 17, of which a sleeve 18 which surrounds the column is integral. and which is guided in rotation thereon. On the sleeve 18 are fixed four frames 19, belonging to the four shaping devices.
  • Each frame 19 carries a die 20 fixedly mounted, and a punching device 22, which will be described in more detail below, movable vertically between a position in which it is above the horizontal plane for feeding the blanks. and a position in which it is engaged in the matrix, which is itself arranged below the plane of supply of the blanks.
  • the cardboard blanks 2, previously grooved and cut, are stored in a magazine 23, with gripping of the lower flarr by a device 24, for example with suction cups, depositing this blank on chains 25 with tabs 26, bringing the blanks together , after passing to a gluing station 27 at station A of the carousel, where the blank is taken care of by a shaping device.
  • Each blank is positioned at this level by pressing it comes to take up against a stop 28 integral with the frame 19.
  • the matrix 20 comprises three series of ramps 29, 30 and 32, offset vertically with respect to each other and arranged at the level of lines of rainsje that the blank presents, in order to allow the folding of the walls at the level of said creasing lines.
  • the series of ramps 29 ensures the folding of the returns 8 at 90 ° relative to the transverse walls 7
  • the ramps 30 ensure the folding at 90 ° of the transverse walls 7 relative to the bottom 3
  • the ramps 32 ensure the folding of the longitudinal walls 6 relative to the bottom 3.
  • This device comprises a support 33 on which are mounted two arms 34 arranged symmetrically to a diametrical plane of the carousel, in an articulated fashion around two parallel horizontal axes 35.
  • Each of these arms is equipped, at its lower end, with a heel 36, the two heels 36 being parallel and their length being at most equal to the interior width of the plate to be obtained.
  • the arms 34 carrying the two heels are connected, substantially at mid-height, by two links 37, articulated one on the other about a horizontal axis 38 and each of which is articulated on an arm 34 about a horizontal axis 39.
  • a lifting movement of the joint 38 relative to the position shown in FIG. 6 results in a displacement of the two heels in a direction of approach of the latter.
  • the shaping device also comprises two rollers 40 with axes parallel to the two heels 36 and situated at a distance from the bottom of the plate, in the period formed from it, equal to the height of the side walls. These two rollers are arranged symmetrically on either side of a diametrical plane of the carousel and are carried by two rods 42, each articulated around a horizontal axis 43 on the frame 19. These two rods are connected at their upper ends by a spacer 44, articulated around horizontal axes 45.
  • the support 33 is pivotally mounted at the end of an arm 46, the central part of which is articulated around a horizontal axis 47 on the frame 19, and the other end of which is engaged in a groove lower device 48 provided in column 14.
  • the articulation axis 38 of the two connecting rods 37 connecting the arms 34 is mounted at the end of an arm 49 situated in a diametrical plane of the carousel, articulated at 50 around a horizontal axis on the frame 19 and the other end of which is engaged in an intermediate peripheral groove 52 formed in column 14.
  • the spacer 44 connecting the rods 42, is integral with one end of an arm 53 occupying a diametrical position relative to the carousel, articulated in its central part at 54 on the frame 19, and the other end of which is engaged in an upper peripheral groove 55 formed in column 14.
  • the shaping device is also equipped with flaps 56 intended to fold the tabs 12, pivotally mounted on the support 33, and actuated by pneumatic cylinders 57, when the entire shaping device occupies a predetermined angular position relative to in column 14.
  • a plate shaping device located at the station A for supplying the blanks, a blank 2 is introduced between the die and the punch until it comes to bear against the stopper 28.
  • the rotation drive of the moving part it is first of all proceeded, by ia forms grooves 48, 52 and 55, at the descent of the punching device, which performs, as a first step and as shown in FIG. 8, the tilting at 90 ° of the returns 8 in contact with the ramps 29 then, as shown at FIG. 9, the tilting at 90 ° of the returns 7 in contact with the ramps 30, and finally the tilting of the longitudinal walls 6, as shown in FIG. 10, in contact with the ramps 32.
  • the invention brings a great improvement to the existing technique by providing a device of simple design, with punch of variable geometry, making it possible to ensure the mounting of trays of complex shapes, and which can advantageously equip a carousel machine by taking advantage of the rotational movement around the central column of the carousel to control the various movements necessary and to ensure that the glued parts are kept in contact for a sufficient period of time, to guarantee perfect geometry of the packaging, and the mechanical and storage performance thereof.

Landscapes

  • Making Paper Articles (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (8)

1. Vorrichtung zum Aufstellen von Steigen, dadurch gekennzeichnet, daß sie einerseits eine Matritze (20) mit mehreren Reihen von Rampen (29, 30, 32) umfaßt, die eine horizontale Öffnung begrenzen, in vertikaler Richtung gegeneinander versetzt und longitudinal und transversal dem Zuschnitt (2) zur Herstellung der Steige zugeordnet sind und die (29, 30, 32) in Höhe der auf dem Zuschnitt vorhandenen Falzlinien liegen, daß sie andererseits einen Stempel (22) mit zwei zueinander parallelen und symmetrisch zu einer transversalen Mittelebene des Zuschnitts angeordneten Ansätzen (36) aufweist, dem Mittel zugeordnet sind, durch di3 er in vertikaler Richtung antreibbar ist, daß die Ansätze (36) gegeneinander verschiebbar sind zwischen einer entfernten Position, in der der Abstand der äußeren Ränder der Ansätze der inneren Länge der Steige entspricht, und einer angenäherten Position, in der der Abstand der äußeren Ränder der Ansätze kleiner ist als die innere Länge der Steige, und daß die Mittel für den Antrieb des Stempels derart ausgebildet und angeordnet sind, daß - der Stempel bei der Einführung des Zuschnitts über den Rampen (29, 30, 32) liegt, - sodann nach dem Positionieren des Zuschnitts vertikal nach unten bewegt wird, wobei die Ansätze (36) sich in der entfernten Position befinden, so daß sie den Zuschnitt mit den Rampen in Kontakt bringen, die seine Aufstellung bewirken, - sodann der Stempel während der Abbindezeit des Klebstoffs in dieser Position gehalten wird - und schließlich die Ansätze einander angenähert werden und der Stempel nach oben bewegt wird.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß jeder Ansatz (36) an dE unteren Ende eines Arms (34) montiert ist, der um eine horizontale Achse (35) schwenkbar an einem Träger (33) angeordnet ist, der selbst vertikal bewegbar ist, daß die beiden Arme (34) durch ein Paar Pleuelhebel (37) miteinander verbunden sind, deren jeder einerseits an dem anderen Pleuelhebel und andererseits an einem der Arme um eine horizontale Achse (39) schwenkbar angeordnet ist, die zwischen einem Ansatz und der Gelenkachse (35) dieses Arms an dem Träger (33) liegt, und daß Mittel vorgesehen sind, die eine vertikale Bewegung der Gelenkverbindungachse (38) der beiden Pleuelhebel relativ zu dem Träger (33) bewirken.
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß für den Fall, daß die zu montierende Steige (2) parallel zum Boden verlaufende, zum Innern der Steige weisende Umschläge (9) aufweist, zwei Walzen (40) mit zu diesen Umschlägen parallelen Achsen vorgesehen sind, die in einem Anstand von dem Boden der Steige angeordnet sind, der gleich der Höhe der Steige ist, und die an dem Ende zweier Pleuelhebel (42) montiert sind, die auf halber Länge um horizontale Achsen an dem Rahmengestell (19) angelenkt sind und deren oberen Enden durch einen Steg (44) miteinander verbunden sind, dem Mittel zur axialen Verschiebung gegenüber dem Träger (31) zugeordnet sind, die eine Verschiebung der Walzen (40) zwischen einer entfernten Position, in der der Abstand der Walzen (40) größer ist als die Länge der Steige, und einer angenäherten Position, in der der Abstand zwischen den Walzen (40) kleiner ist als die Länge der Steigen.
4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß sie Mittel zum Umklappen der seitlichen Lappen (12) der horizontalen Umschläge (9) der Steige umfaßt, die aus an dem Träger (33) angelenkten und durch pneumatische Zylinder-Kolbenanordnungen (57) betätigbaren Klappen (56) bestehen.
5: Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Mittel zur vertikalen Verschiebung des Trägers (33) für den Fa.ll, daß die Vorrichtung an einem Karussel montiert ist, aus einem Arm (46) bestehen, der relativ zu dem Karussel eine diametrale Position einnimmt und um eine mit dem um die Säule (14) des Karussels drehbaren Rahmengestell (19) fest verbundene Achse (47) schwenkbar ist und dessen anderes Ende in eine Kehle (48) eingreift, die an der Peripherie der genannten Säule ausgebildet ist.
6. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß die Gelenkachse (38) zur gelenkigen Verbindung der beiden Pleuelhebel (37), welche die die Ansätze (36) tragenden Arme (34) miteinander verbinden, für den Fall, daß die Vorrichtung einem Karussel zugeordnet ist, an einem Ende eines Arms (49) montiert ist, der in einer diametralen Ebene des Karussels angeordnet und um eine horizontal Achse (50) an dem Gestell (19) angelenkt ist, das um die zentrale Säule (14) des Karussels drehbar ist, wobei das andere Ende des Arms (49) in eine Kehle (52) eingreift, die an der Peripherie der genannten Säule ausgebildet ist.
7. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß für den Fall, daß sie einem Karussel zugeordnet ist, die Mittel zur vertikalen Bewegung des Steges (44), der die beiden die Walzen (40) tragenden Pleuelhebel (42) miteinander verbindet, aus einem Arm bestehen, der mit einem Ende fest mit dem Steg (44) verbunden ist, (in 54) an dem sich um die feststehende Säule des Karussels drehenden Rahmengestell (19) angelenkt ist, und dessen anderes Ende in eine Kehle (55) eingreift, die an der Peripherie der Säule (14) ausgebildet ist.
8. Vorrichtung nach einem der Ansprüche 1 bis 7, gekennzeichnet durch Mittel zum Herausziehen der Steigen durch den unteren Endbereich der Reihen von Rampen (29, 30, 32), die an einer feststehenden Station (B) wirksam sind, die Mittel (59) aufweist, die die fertigen Steigen nach dem Annähern der Ansätze (36) austragen.
EP87420101A 1986-04-21 1987-04-14 Vorrichtung zum Aufstellen von Steigen aus Pappe Expired EP0245181B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87420101T ATE41358T1 (de) 1986-04-21 1987-04-14 Vorrichtung zum aufstellen von steigen aus pappe.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8606354A FR2597400B1 (fr) 1986-04-21 1986-04-21 Dispositif pour le montage de plateaux en carton
FR8606354 1986-04-21

Publications (2)

Publication Number Publication Date
EP0245181A1 EP0245181A1 (de) 1987-11-11
EP0245181B1 true EP0245181B1 (de) 1989-03-15

Family

ID=9334839

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87420101A Expired EP0245181B1 (de) 1986-04-21 1987-04-14 Vorrichtung zum Aufstellen von Steigen aus Pappe

Country Status (9)

Country Link
EP (1) EP0245181B1 (de)
AT (1) ATE41358T1 (de)
AU (1) AU587325B2 (de)
DE (1) DE3760066D1 (de)
ES (1) ES2007559B3 (de)
FR (1) FR2597400B1 (de)
GR (1) GR3000028T3 (de)
NZ (1) NZ219917A (de)
ZA (1) ZA872533B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2058006B1 (es) * 1992-01-24 1995-08-16 Boix Maquinaria Sa Perfeccionamientos introducidos en las maquinas formadoras de cajas de carton.
FR2711944A1 (fr) * 1993-11-05 1995-05-12 Qualipack Dispositif de formage d'un flan préencollé.
ES2154148B1 (es) * 1998-05-27 2001-10-16 Assidoman Iberoamericana Sa Dispositivo para el armado de cajas o contenedores de embocadura estrangulada.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE262383C (de) * 1900-01-01
FR1264426A (fr) * 1960-08-05 1961-06-19 Metal Box Co Ltd Machine à former les cartons
AT272613B (de) * 1966-12-12 1969-07-10 Vmw Ranshofen Berndorf Ag Verbindung für metallische Hohlprofile
US3648573A (en) * 1970-04-29 1972-03-14 Fibrcboard Corp Apparatus and method for forming cartons
US4132156A (en) * 1977-06-21 1979-01-02 Intech Corporation Rotary tray former
FR2460255B1 (fr) * 1979-07-04 1986-03-21 Syrag Patente Ag Dispositif permettant de plier et de fixer par encollage les cotes d'un plateau a rebords horizontaux a fruits, a legumes et autres produits
FR2534878A1 (fr) * 1982-10-26 1984-04-27 Socar Procede et machine pour la mise en forme de plateaux d'emballage en carton, et plateau ainsi obtenu

Also Published As

Publication number Publication date
AU587325B2 (en) 1989-08-10
DE3760066D1 (en) 1989-04-20
FR2597400A1 (fr) 1987-10-23
FR2597400B1 (fr) 1988-07-01
AU7179387A (en) 1987-10-22
EP0245181A1 (de) 1987-11-11
ES2007559B3 (es) 1994-08-01
GR3000028T3 (en) 1990-01-19
NZ219917A (en) 1989-06-28
ATE41358T1 (de) 1989-04-15
ZA872533B (en) 1987-11-25

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