EP1156000B1 - Delivery station of a forming press - Google Patents

Delivery station of a forming press Download PDF

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Publication number
EP1156000B1
EP1156000B1 EP01110898A EP01110898A EP1156000B1 EP 1156000 B1 EP1156000 B1 EP 1156000B1 EP 01110898 A EP01110898 A EP 01110898A EP 01110898 A EP01110898 A EP 01110898A EP 1156000 B1 EP1156000 B1 EP 1156000B1
Authority
EP
European Patent Office
Prior art keywords
delivery
rack
station according
chase
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.)
Expired - Lifetime
Application number
EP01110898A
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German (de)
French (fr)
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EP1156000A3 (en
EP1156000A2 (en
Inventor
Jean-Claude Rebeaud
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Bobst Mex SA
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Bobst SA
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Publication date
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Publication of EP1156000A2 publication Critical patent/EP1156000A2/en
Publication of EP1156000A3 publication Critical patent/EP1156000A3/en
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Publication of EP1156000B1 publication Critical patent/EP1156000B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H31/00—Pile receivers
    • B65H31/32—Auxiliary devices for receiving articles during removal of a completed pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H33/00—Forming counted batches in delivery pile or stream of articles
    • B65H33/02—Forming counted batches in delivery pile or stream of articles by moving a blade or like member into the pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2405/00—Parts for holding the handled material
    • B65H2405/30—Other features of supports for sheets
    • B65H2405/32—Supports for sheets partially insertable - extractable, e.g. upon sliding movement, drawer
    • B65H2405/323—Cantilever finger member, e.g. reciprocating in parallel to plane of handled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard
    • B65H2701/1764—Cut-out, single-layer, e.g. flat blanks for boxes

Definitions

  • the present invention relates to a press receiving station for forming sheets of paper or cardboard with a transverse roll placed downstream of the receiving zone and a carriage movable downstream of said roll, which can receive a plurality of bars to form a grid non-stop receiving poses, said carriage being guided by a carrier device in the longitudinal direction.
  • the separation of the poses consists, after shaping and complete ejection of the waste, to break the points of attachment between the poses of a sheet by means of a male upper tool and of a lower female tool vertically mounted one above the other in the sheet receiving area.
  • the upper tool consists of pushing elements slightly smaller than the perimeter of the poses.
  • the lower tool consists of longitudinal and transverse bars forming a grid corresponding to the perimeter of the poses. The poses fall through the meshes of this grid and stack vertically in the reception area.
  • a periodical inserting of a stabilizing sheet is necessary on the receiving pallet of the receiving station.
  • This device comprises a carriage movable in the longitudinal direction of the press.
  • the carriage comprises two transverse beams on which can be arranged in the longitudinal direction bars intended to form a non-stop receiving grid of poses.
  • the bars generally have a shape similar to a cane.
  • the head of the cane can engage in a notch in the trolley beam furthest from the receiving station and can be fixed by screwing.
  • the stem of the cane rests, in an area quite close to the head of the rod, on the second transverse beam of the carriage, and, in an area near the other end of the rod, on a transverse roller located in the immediate vicinity and downstream of the landing receiving area.
  • the movable carriage moves to bring the bars under the lower parting separation tool and a pair of bars comes to support every pose that falls.
  • the non-stop receiving grid momentarily receives the poses that pile up during inserting operations. After each inserting operation, the bars forming the grid are withdrawn from the reception zone, by longitudinal displacement of the mobile carriage, crossing with the vertical rows of the lower tool for separating poses, to deposit the poses on the sheet. inserting.
  • a preselector defines the number of cuts per packet and the number of packets and / or the height of the piles.
  • the entire device operates automatically and continuously according to a preprogrammed cycle.
  • a disadvantage of this non-stop receiving grid device lies in the fact that the temporary storage height on the bars engaged in the reception zone is only of the order of 35 mm.
  • an inserting cycle takes about 20 to 30 seconds.
  • the storage height is sufficient for thin or light weight paperboard sheets and for relatively slow processing speeds. For the fastest current production rates, as well as for relatively thick cardboard sheets or cardboard, this storage height becomes insufficient. If the thickness of a new sheet of cardboard is of the order of 3 tenths of a millimeter, this thickness increases to 5 tenths or more, when it is pushed back to achieve the folds of the cardboard. With a production rate of 3 sheets per second, the available storage height of 35 mm can be reached in about 20 seconds or less.
  • the document DE 195 16 023 discloses a sheet stacker comprising a movable carriage consisting of a longitudinally guided laying receiving grid, said stacker comprising lifting means capable of producing a vertical displacement of said movable carriage, downwards.
  • an insert sheet is deposited on the blank receiving grid prior to being fed under the lower blanking tool.
  • the poses are then stacked on the insert sheet as the moving carriage moves vertically downward.
  • the object of the present invention is to increase the poses storage capacity on the non-stop receiving grid of a receiving station of the defined input type, while keeping the drop height of the poses at a minimum to ensure a good formation of batteries.
  • the receiving grid placed on the movable carriage and the roller, moves vertically downward while the poses accumulate on the grid during the inserting operation.
  • the time available for the inserting cycle is considerably longer.
  • the drop height of the poses thus becomes adjustable, and the free fall height can be kept low, which is particularly advantageous for small poses.
  • the downward vertical movement is preprogrammed according to the work performed by the press, in particular according to the thickness of the treated board.
  • the vertical downward movement is slaved to the detection of the top sheet of the stack resting on the receiving grid.
  • the carrier device of the movable carriage and the transverse roller can be fixedly mounted in a vertically movable frame.
  • the vertically movable frame may be a chassis traversing the entire width of the station, suspended on both sides by chains driven by a single motor via a transmission shaft.
  • the elevating means comprise means for correcting and maintaining the horizontality of the upper face of the bars constituting the non-stop receiving grid.
  • These correction means may comprise lateral racks and guide rollers and / or torsion bars connecting portions remote from the vertically movable frame.
  • the vertical stroke of the non-stop receiving grid can be adjustable between a high position, where preferably the height of fall is minimal, and a low position, this low position being determined by the length of the rows of the lower parting separation tool.
  • This low position can be preprogrammed: the length of the rows of the lower parting separation tool is normally known and can therefore be entered into the programming of the machine. Instead of integrating this parameter into the program, it is also possible to detect the position of the grid relative to the ranger. To do this, the vertically movable frame may carry, upstream of the transverse roller, a feeler horizontally scanning the space immediately below the free ends of the bars constituting the receiving grid, to detect the height of the frame where the gate drops to below the lower end of the rows.
  • the figure 1 shows, in side elevation, a chassis 1 through with the means causing its vertical movement.
  • the frame is composed of two horizontal longitudinal beams 3. These two beams are arranged near the side walls, driver side (DC) and opposite side to the driver (coc) of the frame of the receiving station of the press.
  • the two horizontal longitudinal beams 3 are connected by at least one transverse horizontal beam 12 which connects the ends of the horizontal longitudinal beams 3 located near the receiving zone of the poses.
  • At the other end of the horizontal longitudinal beams 3 are fixed two vertical beams 6.
  • the two pairs of beams 3 and 6 have an L-shaped configuration on either side, c, c. and coc of the machine; the assembly constituted by the 6 beams 3, 6, 11, 12 is rigid.
  • Each of the two longitudinal horizontal beams 3 carries on its vertical side facing the axis of the machine a set of longitudinal horizontal rules 4, 5 screwed in 2 on the beams 3.
  • the rules 4, 5 constitute rails carrying and guiding a movable carriage.
  • the mobile cart itself is not represented on the figure 1 , but his drive system is represented in dashed lines.
  • This drive system comprises a chain 13, whose two ends are fixed to the movable carriage, forming a closed loop.
  • the chain 13 is stretched between a return wheel 14 located near the beam 12 and a gear 15 arranged at the upper end of the beam 6.
  • a second chain 16 is arranged on the idler gear 15 and forms a closed loop, stretched at the lower end of the vertical beam 6 around a drive pinion 17, set in motion by a motor mounted and fixed at this level on the vertical beam 6 and not shown in the figure.
  • the assembly consisting of the motor, the drive gear 17, the chain 16, the idler gear 15, the chain 13 and the idler wheel 14 allows the non-stop receiving grid to move between a position resting where the carriage is moved back close to the vertical beams 6 and an inserting position, where the movable carriage is close to the transverse beam 12.
  • the two longitudinal longitudinal beams 3 carry each other at their end close to the transverse beam 12, a roller 18 on which rests and rolls the free end of the bars constituting the non-stop grid.
  • the vertical displacement of the through frame 1 is provided by means of a motor 19 integral with the frame of the receiving station of the press.
  • the rotation of the motor 19 causes, through a chain 20 and a toothed pinion 21, the rotation of a horizontal and transverse transmission shaft 22, located in the lower part of the frame of the press.
  • the transmission shaft 22 carries at each of its ends a pinion gear 23 moving a chain 24 whose one end is free and whose other end 26, after passing on a pinion gear 27, is fixed to the lower end of a vertical beam 6.
  • the rotation of the motor 19, in one direction or the other, causes the vertical displacement of the beams 6.
  • the beams 6 are suspended on the chains 26. They are also kept suspended near the side walls of the frame of the receiving station by means of two rollers 28 and 29 mounted on these walls by L-shaped fasteners.
  • the front / rear horizontality of the beams 3, rails 4, 5 and, starting from the mobile carriage and the receiving grid is ensured, on each side of the frame 1, by means of a horizontal and longitudinal torsion bar 8, which carries at its two ends two pinions 7, 30, identical, coaxial and integral with the torsion bar.
  • the axis of the gears and the bar is carried by axis supports 33, 32 integral with the beam 3.
  • Each of the two pinions 7 and 30 meshes with a vertical rack 9, 10 respectively, integral with the wall of the frame from the press reception station.
  • An initial adjustment of the position of the racks 9, 10 makes it possible to correct a lack of horizontality of the non-stop grid.
  • the torsion bar 8, which rotates as the through frame ascends or descends, maintains the front / rear horizontality of the assembly during this vertical movement of the frame.
  • the walls of the frame of the press each carry a fixed stud 31, placed below the torsion bar 8 and against which this bar 8 would abut in the extreme low position.
  • the two studs 31 are only a safety, because in normal operation, the through frame does not reach this extreme low position.
  • the lowest position actually reached during an inserting cycle is determined by the length of the rows of the lower parting separation tool. Indeed, the top of the receiving grid must not fall below the height where the lower end of the rows is located because otherwise, when removing the bars, the batteries would not be deposited correctly on the sheet inserting.
  • the figure 2 shows a device for detecting this position.
  • the position of the lower tool for separating poses In the lower half of the figure is schematically represented the position of the lower tool for separating poses.
  • the figure 2 shows the end of the frame 1 traversing, vertically mobile, located near the receiving area poses. It shows, seen from above, the end of the longitudinal horizontal beams 3, the transverse beam 12 and, shown in dashed lines, the roller 18. Also seen at the top of the figure 2 the return wheel 14.
  • the beam 12 carries on its side located opposite the receiving area of the poses an arm 34 hinged about a vertical axis 36.
  • the rotation is controlled by a pneumatic jack 35 articulated at one of its ends to the beam 12 and at its other end to the arm 34, near the axis of rotation 36.
  • the arm 34 can describe a rotational movement in a horizontal plane.
  • the arm 34 can describe or can not describe this movement, according to whether it does not meet a row or according to, on the contrary, the movement is blocked by the meeting of the lower end of a row.
  • the movement, or the blocking of the movement is detected by a sensor in a manner known per se, for example by a contact sensor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Press Drives And Press Lines (AREA)
  • Making Paper Articles (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Discharge By Other Means (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Replacement Of Web Rolls (AREA)

Abstract

The receiving station has a transverse roller ahead of the receiving zone and a moving carriage ahead of the roller (18) with multiple bars as a non-stop receiving grille. The carriage is guided longitudinally on a carrier (4,5), and carrier and roller are mounted in a vertically mobile chassis (1) suspended on chains (24) and driven by a motor (19) through a transmission shaft.

Description

La présente invention concerne une station de réception de presse de façonnage de feuilles de papier ou de carton avec un rouleau transversal placé en aval de la zone de réception et un chariot mobile en aval dudit rouleau, pouvant recevoir une pluralité de barres pour constituer une grille de réception non-stop de poses, ledit chariot étant guidé par un dispositif porteur en direction longitudinale.The present invention relates to a press receiving station for forming sheets of paper or cardboard with a transverse roll placed downstream of the receiving zone and a carriage movable downstream of said roll, which can receive a plurality of bars to form a grid non-stop receiving poses, said carriage being guided by a carrier device in the longitudinal direction.

Les termes "amont", "aval", "longitudinal" et "transversal" sont employés ici par référence au sens d'avancement des feuilles dans la presse.The terms "upstream", "downstream", "longitudinal" and "transverse" are used herein with reference to the direction of advancement of the sheets in the press.

Dans les stations de réception du type défini d'entrée, la séparation des poses consiste, après façonnage et éjection complète des déchets, à rompre les points d'attache entre les poses d'une feuille au moyen d'un outil supérieur mâle et d'un outil inférieur femelle montés verticalement l'un au-dessus de l'autre dans la zone de réception des feuilles. L'outil supérieur est constitué d'éléments pousseurs légèrement plus petits que le pourtour des poses. L'outil inférieur est constitué de barres longitudinales et transversales formant une grille correspondant au pourtour des poses. Les poses tombent à travers les mailles de cette grille et s'empilent verticalement dans la zone de réception.In the receiving stations of the defined type of entrance, the separation of the poses consists, after shaping and complete ejection of the waste, to break the points of attachment between the poses of a sheet by means of a male upper tool and of a lower female tool vertically mounted one above the other in the sheet receiving area. The upper tool consists of pushing elements slightly smaller than the perimeter of the poses. The lower tool consists of longitudinal and transverse bars forming a grid corresponding to the perimeter of the poses. The poses fall through the meshes of this grid and stack vertically in the reception area.

Pour former des piles de poses séparées et stables sous ces outils, sur la palette de réception de la station de réception, un encartage périodique d'une feuille de stabilisation s'avère nécessaire. Pour que cet encartage puisse être effectué sans nécessiter un arrêt concomitant de l'unité de production, on utilise un dispositif communément appelé grille de réception non-stop. Ce dispositif comprend un chariot mobile dans le sens longitudinal de la presse. Le chariot comporte deux poutres transversales sur lesquelles peuvent être disposées en direction longitudinale des barres destinées à constituer une grille de réception non-stop de poses. Les barres présentent en général une forme semblable à une canne. La tête de la canne peut s'engager dans une encoche de la poutre du chariot la plus éloignée de la station de réception et peut y être fixée par vissage. La tige de la canne repose, dans une zone assez proche de la tête de la canne, sur la deuxième poutre transversale du chariot, et, dans une zone proche de l'autre extrémité de la tige, sur un rouleau transversal situé à proximité immédiate et en aval de la zone de réception des poses. Pour effectuer une manoeuvre d'encartage, le chariot mobile se déplace pour amener les barres sous l'outil inférieur de séparation des poses et une paire de barres vient supporter chaque pose qui tombe. Pour des poses de grande surface, le nombre de barres par pose peut être plus élevé. La grille de réception non-stop reçoit momentanément les poses qui s'empilent pendant les opérations d'encartage. Après chaque opération d'encartage, les barres formant la grille se retirent de la zone de réception, par déplacement longitudinal du chariot mobile, en croisant avec les rangeurs verticaux de l'outil inférieur de séparation de poses, pour déposer les poses sur la feuille d'encartage.To form stacks of separate and stable poses under these tools, on the receiving pallet of the receiving station, a periodical inserting of a stabilizing sheet is necessary. In order that this insertion can be carried out without requiring a concomitant stoppage of the production unit, a device commonly known as a non-stop receiving grid is used. This device comprises a carriage movable in the longitudinal direction of the press. The carriage comprises two transverse beams on which can be arranged in the longitudinal direction bars intended to form a non-stop receiving grid of poses. The bars generally have a shape similar to a cane. The head of the cane can engage in a notch in the trolley beam furthest from the receiving station and can be fixed by screwing. The stem of the cane rests, in an area quite close to the head of the rod, on the second transverse beam of the carriage, and, in an area near the other end of the rod, on a transverse roller located in the immediate vicinity and downstream of the landing receiving area. To perform an inserting operation, the movable carriage moves to bring the bars under the lower parting separation tool and a pair of bars comes to support every pose that falls. For large surface applications, the number of bars per laying may be higher. The non-stop receiving grid momentarily receives the poses that pile up during inserting operations. After each inserting operation, the bars forming the grid are withdrawn from the reception zone, by longitudinal displacement of the mobile carriage, crossing with the vertical rows of the lower tool for separating poses, to deposit the poses on the sheet. inserting.

Un présélecteur définit le nombre de découpes par paquet encarté ainsi que le nombre de paquets et/ou la hauteur des piles. Tout le dispositif fonctionne de façon automatique et continue selon un cycle préprogrammé.A preselector defines the number of cuts per packet and the number of packets and / or the height of the piles. The entire device operates automatically and continuously according to a preprogrammed cycle.

Un inconvénient de ce dispositif de grille de réception non-stop réside dans le fait que la hauteur de stockage provisoire sur les barres engagées dans la zone de réception est seulement de l'ordre de 35 mm. Or, un cycle d'encartage prend environ 20 à 30 secondes. La hauteur de stockage est suffisante pour des feuilles de carton de faible épaisseur ou de faible grammage et pour des vitesses de traitement relativement lentes. Pour les cadences de production actuelles les plus rapides, ainsi que pour des feuilles de carton relativement épaisses ou de carton refoulé, cette hauteur de stockage devient insuffisante. Si l'épaisseur d'une feuille neuve de carton mince est de l'ordre de 3 dixièmes de millimètres, cette épaisseur augmente jusqu'à 5 dixièmes, voire davantage, lorsque elle est refoulée pour réaliser les plis du carton. Avec une cadence de production de 3 feuilles à la seconde, la hauteur de stockage disponible de 35 mm peut être atteinte en environ 20 secondes, voire moins. Pour augmenter le temps disponible pour l'encartage, il a déjà été proposé d'augmenter cette hauteur de stockage en plaçant le niveau de la grille non-stop plus bas. Mais dans ce cas, la précision de la dépose des poses est moins bonne, notamment dans le cas de poses de petite dimension. Avec une largeur inférieure à 10 cm et avec une hauteur de chute doublée, les poses tombent en travers et les piles sont mal formées.A disadvantage of this non-stop receiving grid device lies in the fact that the temporary storage height on the bars engaged in the reception zone is only of the order of 35 mm. However, an inserting cycle takes about 20 to 30 seconds. The storage height is sufficient for thin or light weight paperboard sheets and for relatively slow processing speeds. For the fastest current production rates, as well as for relatively thick cardboard sheets or cardboard, this storage height becomes insufficient. If the thickness of a new sheet of cardboard is of the order of 3 tenths of a millimeter, this thickness increases to 5 tenths or more, when it is pushed back to achieve the folds of the cardboard. With a production rate of 3 sheets per second, the available storage height of 35 mm can be reached in about 20 seconds or less. To increase the time available for inserting, it has already been proposed to increase this storage height by placing the level of the non-stop grid lower. But in this case, the accuracy of the removal of the poses is less good, especially in the case of small poses. With a width of less than 10 cm and a doubled drop height, the poses fall across and the piles are poorly formed.

Le document DE 195 16 023 décrit une empileuse de feuilles comprenant un chariot mobile constitué d'une grille de réception de poses guidée en direction longitudinale, ladite empileuse comportant des moyens élévateurs aptes à produire un déplacement vertical dudit chariot mobile, vers le bas.The document DE 195 16 023 discloses a sheet stacker comprising a movable carriage consisting of a longitudinally guided laying receiving grid, said stacker comprising lifting means capable of producing a vertical displacement of said movable carriage, downwards.

Dans les empileuses de ce type, une feuille d'encartage est déposée sur la grille de réception de poses avant d'être amenée sous l'outil inférieur de séparation des poses. Les poses s'empilent ensuite sur la feuille d'encartage pendant que le chariot mobile se déplace verticalement vers le bas.In stackers of this type, an insert sheet is deposited on the blank receiving grid prior to being fed under the lower blanking tool. The poses are then stacked on the insert sheet as the moving carriage moves vertically downward.

Le but de la présente invention est d'augmenter la capacité de stockage de poses sur la grille de réception non-stop d'une station de réception du type définie d'entrée, tout en maintenant la hauteur de chute des poses au minimum pour assurer une bonne formation de piles.The object of the present invention is to increase the poses storage capacity on the non-stop receiving grid of a receiving station of the defined input type, while keeping the drop height of the poses at a minimum to ensure a good formation of batteries.

Ce but est atteint dans une station de réception telle que définie par la revendication 1.This object is achieved in a receiving station as defined by claim 1.

Grâce aux moyens élévateurs selon l'invention, la grille de réception, posée sur le chariot mobile et le rouleau, effectue un déplacement vertical vers le bas pendant que les poses s'accumulent sur cette grille pendant l'opération d'encartage. Le temps disponible pour le cycle d'encartage s'en trouve considérablement allongé. La hauteur de chute des poses devient ainsi réglable, et la hauteur de chute libre peut être maintenue faible, ce qui est particulièrement avantageux pour les petites poses.Thanks to the lifting means according to the invention, the receiving grid, placed on the movable carriage and the roller, moves vertically downward while the poses accumulate on the grid during the inserting operation. The time available for the inserting cycle is considerably longer. The drop height of the poses thus becomes adjustable, and the free fall height can be kept low, which is particularly advantageous for small poses.

Selon un mode d'exécution de l'invention, le déplacement vertical vers le bas est préprogrammé en fonction du travail exécuté par la presse, notamment en fonction de l'épaisseur du carton traité.According to one embodiment of the invention, the downward vertical movement is preprogrammed according to the work performed by the press, in particular according to the thickness of the treated board.

Selon un autre mode d'exécution, le déplacement vertical vers le bas est asservi à la détection de la feuille supérieure de la pile reposant sur la grille de réception.In another embodiment, the vertical downward movement is slaved to the detection of the top sheet of the stack resting on the receiving grid.

Le dispositif porteur du chariot mobile et le rouleau transversal peuvent être montés fixes dans un châssis verticalement mobile. En particulier, le châssis verticalement mobile peut être un châssis traversant toute la largeur de la station, suspendu des deux côtés par des chaînes entraînées par un moteur unique via un arbre de transmission.The carrier device of the movable carriage and the transverse roller can be fixedly mounted in a vertically movable frame. In particular, the vertically movable frame may be a chassis traversing the entire width of the station, suspended on both sides by chains driven by a single motor via a transmission shaft.

De préférence, les moyens élévateurs comprennent des moyens de correction et de maintien de l'horizontalité de la face supérieure des barres constituant la grille de réception non-stop. Ces moyens de correction peuvent comprendre des crémaillères latérales et des rouleaux de guidage et/ou des barres de torsion reliant des portions distantes du châssis verticalement mobile.Preferably, the elevating means comprise means for correcting and maintaining the horizontality of the upper face of the bars constituting the non-stop receiving grid. These correction means may comprise lateral racks and guide rollers and / or torsion bars connecting portions remote from the vertically movable frame.

La course verticale de la grille de réception non-stop peut être ajustable entre une position haute, où de préférence la hauteur de chute est minimale, et une position basse, cette position basse étant déterminée par la longueur des rangeurs de l'outil inférieur de séparation de poses.The vertical stroke of the non-stop receiving grid can be adjustable between a high position, where preferably the height of fall is minimal, and a low position, this low position being determined by the length of the rows of the lower parting separation tool.

Cette position basse peut être préprogrammée : la longueur des rangeurs de l'outil inférieur de séparation de poses est normalement connue et peut donc être entrée dans la programmation de la machine. Au lieu d'intégrer ce paramètre dans le programme, on peut également détecter la position de la grille par rapport aux rangeurs. Pour ce faire, le châssis verticalement mobile peut porter, en amont du rouleau transversal, un palpeur balayant horizontalement l'espace situé immédiatement en dessous des extrémités libres des barres constituant la grille de réception, pour détecter la hauteur du châssis où la grille descend au-dessous de l'extrémité inférieure des rangeurs.This low position can be preprogrammed: the length of the rows of the lower parting separation tool is normally known and can therefore be entered into the programming of the machine. Instead of integrating this parameter into the program, it is also possible to detect the position of the grid relative to the ranger. To do this, the vertically movable frame may carry, upstream of the transverse roller, a feeler horizontally scanning the space immediately below the free ends of the bars constituting the receiving grid, to detect the height of the frame where the gate drops to below the lower end of the rows.

D'autres particularités et avantages de l'invention apparaîtront pour l'homme du métier de la description ci-dessous d'un mode d'exécution particulier, en référence au dessin dans lequel :

  • la figure 1 est une vue en élévation latérale d'un châssis traversant verticalement mobile;
  • la figure 2 est une vue de dessus d'un dispositif détectant la position de la grille de réception par rapport aux rangeurs de la station.
Other features and advantages of the invention will become apparent to those skilled in the art from the description below of a particular embodiment, with reference to the drawing in which:
  • the figure 1 is a side elevational view of a vertically movable traversing frame;
  • the figure 2 is a top view of a device detecting the position of the reception grid with respect to the stations of the station.

La figure 1 montre, en élévation latérale, un châssis 1 traversant avec les moyens entraînant son déplacement vertical. Le châssis est composé de deux poutres longitudinales horizontales 3. Ces deux poutres sont agencées à proximité des parois latérales, côté conducteur (c.c.) et côté opposé au conducteur (c.o.c.) du bâti de la station de réception de la presse. Les deux poutres longitudinales horizontales 3 sont reliées par au moins une poutre horizontale transversale 12 qui relie les extrémités des poutres longitudinales horizontales 3 situées à proximité de la zone de réception des poses. A l'autre extrémité des poutres longitudinales horizontales 3 sont fixées deux poutres verticales 6. Les deux paires de poutres 3 et 6 présentent une configuration en L de part et d'autre, c,c. et c.o.c. de la machine; l'ensemble constitué par les 6 poutres 3, 6, 11, 12 est rigide.The figure 1 shows, in side elevation, a chassis 1 through with the means causing its vertical movement. The frame is composed of two horizontal longitudinal beams 3. These two beams are arranged near the side walls, driver side (DC) and opposite side to the driver (coc) of the frame of the receiving station of the press. The two horizontal longitudinal beams 3 are connected by at least one transverse horizontal beam 12 which connects the ends of the horizontal longitudinal beams 3 located near the receiving zone of the poses. At the other end of the horizontal longitudinal beams 3 are fixed two vertical beams 6. The two pairs of beams 3 and 6 have an L-shaped configuration on either side, c, c. and coc of the machine; the assembly constituted by the 6 beams 3, 6, 11, 12 is rigid.

Chacune des deux poutres horizontales longitudinales 3 porte sur son flanc vertical orienté vers l'axe de la machine un ensemble de règles horizontales longitudinales 4, 5 vissées en 2 sur les poutres 3. Les règles 4, 5 constituent des rails portant et guidant un chariot mobile. Le chariot mobile lui-même n'est pas représenté sur la figure 1, mais son système d'entraînement est représenté en lignes tiretées. Ce système d'entraînement comporte une chaîne 13, dont les deux extrémités sont fixées au chariot mobile, en formant une boucle fermée. La chaîne 13 est tendue entre une roue de renvoi 14, située à proximité de la poutre 12 et un pignon de renvoi 15 agencé à l'extrémité supérieure de la poutre 6. Une deuxième chaîne 16 est agencée sur le pignon de renvoi 15 et forme une boucle fermée, tendue à l'extrémité inférieure de la poutre verticale 6 autour d'un pignon d'entraînement 17, mis en mouvement par un moteur monté et fixé à ce niveau sur la poutre verticale 6 et non représenté sur la figure. L'ensemble constitué du moteur, du pignon d'entraînement 17, de la chaîne 16, du pignon de renvoi 15, de la chaîne 13 et de la roue de renvoi 14 permet le déplacement de la grille de réception non-stop entre une position de repos où le chariot est reculé à proximité des poutres verticales 6 et une position d'encartage, où le chariot mobile se trouve à proximité de la poutre transversale 12. Les deux poutres horizontales longitudinales 3 portent entre elles, à leur extrémité proche de la poutre transversale 12, un rouleau 18 sur lequel repose et roule l'extrémité libre des barres constituant la grille non-stop.Each of the two longitudinal horizontal beams 3 carries on its vertical side facing the axis of the machine a set of longitudinal horizontal rules 4, 5 screwed in 2 on the beams 3. The rules 4, 5 constitute rails carrying and guiding a movable carriage. The mobile cart itself is not represented on the figure 1 , but his drive system is represented in dashed lines. This drive system comprises a chain 13, whose two ends are fixed to the movable carriage, forming a closed loop. The chain 13 is stretched between a return wheel 14 located near the beam 12 and a gear 15 arranged at the upper end of the beam 6. A second chain 16 is arranged on the idler gear 15 and forms a closed loop, stretched at the lower end of the vertical beam 6 around a drive pinion 17, set in motion by a motor mounted and fixed at this level on the vertical beam 6 and not shown in the figure. The assembly consisting of the motor, the drive gear 17, the chain 16, the idler gear 15, the chain 13 and the idler wheel 14 allows the non-stop receiving grid to move between a position resting where the carriage is moved back close to the vertical beams 6 and an inserting position, where the movable carriage is close to the transverse beam 12. The two longitudinal longitudinal beams 3 carry each other at their end close to the transverse beam 12, a roller 18 on which rests and rolls the free end of the bars constituting the non-stop grid.

Le déplacement vertical du châssis traversant 1 est assuré à l'aide d'un moteur 19 solidaire du bâti de la station de réception de la presse. La rotation du moteur 19 entraîne, par l'intermédiaire d'une chaîne 20 et d'un pignon denté 21, la rotation d'un arbre de transmission 22 horizontal et transversal, situé dans la partie basse du bâti de la presse. L'arbre de transmission 22 porte à chacune de ses extrémités un pignon denté 23 mettant en mouvement une chaîne 24 dont une extrémité 25 est libre et dont l'autre extrémité 26, après passage sur un pignon de renvoi 27, est fixée à l'extrémité inférieure d'une poutre verticale 6. La rotation du moteur 19, dans un sens ou dans l'autre, entraîne le déplacement vertical des poutres 6. Les poutres 6 sont donc suspendues aux chaînes 26. Elles sont également maintenues suspendues à proximité des parois latérales du bâti de la station de réception grâce à deux rouleaux 28 et 29 montés sur ces parois par des pièces de fixation en L.The vertical displacement of the through frame 1 is provided by means of a motor 19 integral with the frame of the receiving station of the press. The rotation of the motor 19 causes, through a chain 20 and a toothed pinion 21, the rotation of a horizontal and transverse transmission shaft 22, located in the lower part of the frame of the press. The transmission shaft 22 carries at each of its ends a pinion gear 23 moving a chain 24 whose one end is free and whose other end 26, after passing on a pinion gear 27, is fixed to the lower end of a vertical beam 6. The rotation of the motor 19, in one direction or the other, causes the vertical displacement of the beams 6. The beams 6 are suspended on the chains 26. They are also kept suspended near the side walls of the frame of the receiving station by means of two rollers 28 and 29 mounted on these walls by L-shaped fasteners.

L'utilisation d'un moteur unique et de pièces d'entraînement identiques des 2 côtés de la machine assure le maintien de l'horizontalité gauche/droite du châssis 1 pendant son déplacement vertical.The use of a single motor and identical drive parts on both sides of the machine maintains the left / right horizontality of the frame 1 during its vertical movement.

L'horizontalité avant/arrière des poutres 3, des rails 4, 5 et, partant du chariot mobile et de la grille de réception est assurée, de chaque côté du châssis 1, grâce à une barre de torsion 8 horizontale et longitudinale, qui porte à ses deux extrémités deux pignons 7, 30, identiques, coaxiaux et solidaires de la barre de torsion. L'axe des pignons et de la barre, est porté par des supports d'axe 33, 32 solidaires de la poutre 3. Chacun des deux pignons 7 et 30 engrène avec une crémaillère verticale 9, 10 respective, solidaire de la paroi du bâti de la station de réception de la presse. Un réglage initial de la position des crémaillères 9, 10 permet de corriger un défaut d'horizontalité de la grille non-stop. La barre de torsion 8, qui tourne pendant que le châssis traversant monte ou descend, maintient l'horizontalité avant/arrière de l'ensemble pendant ce déplacement vertical du châssis.The front / rear horizontality of the beams 3, rails 4, 5 and, starting from the mobile carriage and the receiving grid is ensured, on each side of the frame 1, by means of a horizontal and longitudinal torsion bar 8, which carries at its two ends two pinions 7, 30, identical, coaxial and integral with the torsion bar. The axis of the gears and the bar, is carried by axis supports 33, 32 integral with the beam 3. Each of the two pinions 7 and 30 meshes with a vertical rack 9, 10 respectively, integral with the wall of the frame from the press reception station. An initial adjustment of the position of the racks 9, 10 makes it possible to correct a lack of horizontality of the non-stop grid. The torsion bar 8, which rotates as the through frame ascends or descends, maintains the front / rear horizontality of the assembly during this vertical movement of the frame.

Pour limiter la course verticale du châssis traversant, les parois du bâti de la presse portent chacune un plot fixe 31, placé en-dessous de la barre de torsion 8 et contre lequel cette barre 8 viendrait buter en position extrême basse. Les deux plots 31 constituent seulement une sécurité, car en fonctionnement normal, le châssis traversant n'atteint pas cette position extrême basse. La position la plus basse atteinte effectivement pendant un cycle d'encartage est déterminée par la longueur des rangeurs de l'outil inférieur de séparation de poses. En effet, le dessus de la grille de réception des poses ne doit pas descendre en-dessous de la hauteur où se situe l'extrémité inférieure des rangeurs car sinon, lors du retrait des barres, les piles ne seraient pas déposées correctement sur la feuille d'encartage.To limit the vertical travel of the through frame, the walls of the frame of the press each carry a fixed stud 31, placed below the torsion bar 8 and against which this bar 8 would abut in the extreme low position. The two studs 31 are only a safety, because in normal operation, the through frame does not reach this extreme low position. The lowest position actually reached during an inserting cycle is determined by the length of the rows of the lower parting separation tool. Indeed, the top of the receiving grid must not fall below the height where the lower end of the rows is located because otherwise, when removing the bars, the batteries would not be deposited correctly on the sheet inserting.

La figure 2 montre un dispositif de détection de cette position. Sur la moitié inférieure de la figure est représentée schématiquement la position de l'outil inférieur de séparation de poses.The figure 2 shows a device for detecting this position. In the lower half of the figure is schematically represented the position of the lower tool for separating poses.

La figure 2 montre l'extrémité du châssis 1 traversant, verticalement mobile, située à proximité de la zone de réception des poses. On y voit, vu de dessus, l'extrémité des poutres horizontales longitudinales 3, la poutre transversale 12 et, représenté en traits tiretés, le rouleau 18. On voit également en haut de la figure 2 la roue de renvoi 14.The figure 2 shows the end of the frame 1 traversing, vertically mobile, located near the receiving area poses. It shows, seen from above, the end of the longitudinal horizontal beams 3, the transverse beam 12 and, shown in dashed lines, the roller 18. Also seen at the top of the figure 2 the return wheel 14.

La poutre 12 porte sur son côté situé face à la zone de réception des poses un bras 34 articulé autour d'un axe vertical 36. La rotation est commandée par un vérin pneumatique 35 articulé à l'une de ses extrémités à la poutre 12 et à son autre extrémité au bras 34, à proximité de l'axe de rotation 36. Grâce à cet agencement, le bras 34 peut décrire un mouvement de rotation dans un plan horizontal. Le bras 34 peut décrire ou ne peut pas décrire ce mouvement, selon qu'il ne rencontre pas de rangeur ou selon, qu'au contraire, le mouvement est bloqué par la rencontre de l'extrémité inférieure d'un rangeur. Le mouvement, ou le blocage du mouvement, est détecté par un capteur de manière connue en soi, par exemple par un capteur de contact.The beam 12 carries on its side located opposite the receiving area of the poses an arm 34 hinged about a vertical axis 36. The rotation is controlled by a pneumatic jack 35 articulated at one of its ends to the beam 12 and at its other end to the arm 34, near the axis of rotation 36. With this arrangement, the arm 34 can describe a rotational movement in a horizontal plane. The arm 34 can describe or can not describe this movement, according to whether it does not meet a row or according to, on the contrary, the movement is blocked by the meeting of the lower end of a row. The movement, or the blocking of the movement, is detected by a sensor in a manner known per se, for example by a contact sensor.

Claims (7)

  1. Delivery station of a diecutting press of paper or cardboard sheets for forming separated and stable piles of blanks under the tools of the press, including a transverse roller (18) placed downstream of the delivery area and a movable carriage downstream of the said roller, that is able to receive a plurality of bars to form a non-stop blanking delivery rack for the periodic insertion of a stabilization sheet under the said rack, the said carriage being guided by a transporting device (4, 5) in longitudinal direction, the said station comprising lifting means (1, 19 to 27) able to produce a same vertical movement of the said roller and of the said movable carriage, downwards, while the blanks are piling up on the said delivery rack during the inserting operation.
  2. Station according to claim 1, characterized in that the lifting means (1, 19 to 27) are pre-programmed according to the diecutting operation of the said paper or cardboard sheets.
  3. Station according to claim 1, characterized in that the lifting means (1, 19 to 27) are controlled to the detection of the blanks piled up on the said delivery rack.
  4. Station according to any one of claims 1 to 3, characterized in that the said transporting device (4, 5) of the movable carriage and the transverse roller (18) are fixedly mounted in a vertically movable chase (1).
  5. Station according to claim 4, characterized in that the said chase (1) is a crossing chase, comprising means that correct and maintain the horizontality (7, 8, 9, 10, 22, 24, 30) of the upper side of the bars forming the non-stop rack, the vertical movement of which is controlled by a single motor (19).
  6. Station according to any one of the preceding claims, characterized in that the vertical run of the delivery rack is adjustable between a high position and a low position, the said low position being determined by the length of the joggers of a lower blanking tool.
  7. Station according to claim 6, characterized in that the chase (1) holds, upstream of the transverse roller (18), a sensor device (34) that horizontally scans the space located below the free ends of the bars forming the delivery rack, to detect the height of the chase where the delivery rack lowers below the lower end of the joggers.
EP01110898A 2000-05-16 2001-05-05 Delivery station of a forming press Expired - Lifetime EP1156000B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH9612000 2000-05-16
CH00961/00A CH693927A5 (en) 2000-05-16 2000-05-16 Cutting press receiving station.

Publications (3)

Publication Number Publication Date
EP1156000A2 EP1156000A2 (en) 2001-11-21
EP1156000A3 EP1156000A3 (en) 2004-03-10
EP1156000B1 true EP1156000B1 (en) 2009-10-07

Family

ID=4550500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01110898A Expired - Lifetime EP1156000B1 (en) 2000-05-16 2001-05-05 Delivery station of a forming press

Country Status (12)

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US (1) US6481708B2 (en)
EP (1) EP1156000B1 (en)
JP (1) JP3561482B2 (en)
KR (1) KR100438475B1 (en)
CN (1) CN1219691C (en)
AT (1) ATE444929T1 (en)
BR (1) BR0101946B1 (en)
CA (1) CA2347609C (en)
CH (1) CH693927A5 (en)
DE (1) DE60140099D1 (en)
ES (1) ES2331508T3 (en)
TW (1) TW546241B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2279222C (en) * 1999-07-30 2002-07-16 Ibm Canada Limited-Ibm Canada Limitee Direct call threaded code
ITMI20031162A1 (en) * 2003-06-10 2004-12-11 Siasprint S R L FEEDING SYSTEM FOR A SCREEN PRINTING MACHINE.
DE102010024778A1 (en) 2010-06-23 2011-12-29 Heidelberger Druckmaschinen Ag Storage and pay dividing station for a sheet punching machine
CN109703096B (en) * 2019-02-20 2023-09-19 浙江容健科技有限公司 Board opening machine

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JPS5326063A (en) * 1976-06-14 1978-03-10 Kurisuchian Bunderuritsuhi Method and device for separating and piling sheets such as paper* thick paper* etc*
JPS55106929A (en) * 1979-02-05 1980-08-16 Kuraray Eng Kk Conveying system for articles
FR2542294B1 (en) * 1983-03-11 1985-08-02 Bobst AUTOMATIC STACKING DEVICE, IN PARTICULAR OF PLATE SUPERIMPOSED PLATE ELEMENTS
JPS60202054A (en) * 1984-03-22 1985-10-12 Fuji Sogyo Kk Method of piling-up cardboard sheet in stacker for cardboard
DE3535113A1 (en) * 1985-10-02 1987-04-23 Jagenberg Ag BOW DEPOSIT
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DE4129165A1 (en) * 1991-09-02 1993-03-04 Heidelberger Druckmasch Ag DEVICE FOR COMBINING A REMAINING ARC STACK AND A MAIN ARCH STACK
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JPH0881157A (en) * 1994-09-13 1996-03-26 Kyodo Printing Co Ltd Lifting device
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Also Published As

Publication number Publication date
KR20010106257A (en) 2001-11-29
CN1323693A (en) 2001-11-28
BR0101946B1 (en) 2009-01-13
EP1156000A3 (en) 2004-03-10
EP1156000A2 (en) 2001-11-21
US6481708B2 (en) 2002-11-19
BR0101946A (en) 2001-12-18
JP3561482B2 (en) 2004-09-02
ATE444929T1 (en) 2009-10-15
KR100438475B1 (en) 2004-07-03
US20010042955A1 (en) 2001-11-22
CA2347609A1 (en) 2001-11-16
ES2331508T3 (en) 2010-01-07
CH693927A5 (en) 2004-04-30
CN1219691C (en) 2005-09-21
DE60140099D1 (en) 2009-11-19
JP2002011598A (en) 2002-01-15
CA2347609C (en) 2005-06-07
TW546241B (en) 2003-08-11

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