EP1963219A2 - Intermediate adjusting module for a scaling machine - Google Patents

Intermediate adjusting module for a scaling machine

Info

Publication number
EP1963219A2
EP1963219A2 EP06831002A EP06831002A EP1963219A2 EP 1963219 A2 EP1963219 A2 EP 1963219A2 EP 06831002 A EP06831002 A EP 06831002A EP 06831002 A EP06831002 A EP 06831002A EP 1963219 A2 EP1963219 A2 EP 1963219A2
Authority
EP
European Patent Office
Prior art keywords
blank
module
blanks
speed
ejection
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.)
Granted
Application number
EP06831002A
Other languages
German (de)
French (fr)
Other versions
EP1963219B1 (en
Inventor
Jean-Pierre Roux
Jacques Landre
Pierrick Daniel
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.)
Komori Chambon SA
Original Assignee
Komori Chambon SA
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 Komori Chambon SA filed Critical Komori Chambon SA
Publication of EP1963219A2 publication Critical patent/EP1963219A2/en
Application granted granted Critical
Publication of EP1963219B1 publication Critical patent/EP1963219B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/16—Delivering or advancing articles from machines; Advancing articles to or into piles by contact of one face only with moving tapes, bands, or chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B65H29/6609—Advancing articles in overlapping streams forming an overlapping stream
    • B65H29/6618—Advancing articles in overlapping streams forming an overlapping stream upon transfer from a first conveyor to a second conveyor advancing at slower speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/68—Reducing the speed of articles as they advance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • 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 device for allowing the high-speed flaking of blanks printed and cut cardboard.
  • the printed blanks are assembled, after cutting, so as to form a shell, that is to say that they are caused to partially overlap each other.
  • the blanks coming from a cutting module of a printing machine with a given nominal speed are fed to an ejector module which accelerates the blanks so as to separate them.
  • the blanks are then delivered to a receiver module traveling at a lower speed, so that they are thus brought to partially cover the blanks previously deposited on the mat of a receiver module.
  • the transfer of cardboard blanks from the ejection module to the receiver module takes place without particular difficulty.
  • the object of the present invention is to propose a device making it possible to remedy these drawbacks and to satisfy these new requirements and in particular to accurately and repeatedly position incident blanks on receiving blanks and this for machines of nominal speed. high while avoiding the deterioration of the incident blanks during their transfer.
  • the present invention thus relates to a device for scaling cut cardboard blanks comprising means for high-speed ejection of a cutting and / or printing machine and means for receiving at a low speed, characterized in that it comprises, disposed between the ejection means and the receiving means, an intermediate adjustment module whose at least the drive speed of the blanks is adjustable.
  • the intermediate adjustment module preferably comprises applicator means able to fold down the rear part of a blank of carton after it has left the ejection module and lower it to a level below the level of arrival of the next blank.
  • applicator means may for example comprise a flow of air blowing on the rear part of the blanks or by mechanical means, and in particular a rotary element provided with a camming zone bearing on each rear part of the blank and positively accompanying the for at least part of his movement.
  • the path of the cardboard blanks delivered at the output of the ejection module forms an angle of incidence with the path of these blanks in the intermediate adjustment module.
  • the intermediate adjustment module advantageously comprises means for adjusting this angle of incidence.
  • the average speed of scrolling blanks in the intermediate adjustment module is for example of the order of the average of the speed of the blanks incident at the output of the ejector module and the speed of the receiver module.
  • the running speed ⁇ _ in the intermediate module is of the order of 0.6V.
  • the user has the opportunity to adjust the value of this speed on either side of this average speed.
  • the present invention is interesting in that the intermediate adjustment module can easily adapt to existing machines to improve them, insofar as it suffices to introduce the module. intermediate adjustment between an ejection module and a receiver module.
  • Figure 1 is a plan view of two cardboard blanks inside the intermediate adjustment module, an incident blank overlapping a receiving blank.
  • FIG. 2 is a diagrammatic view of an ejection module, of an intermediate module for adjusting a receiving module providing reception and scaling.
  • FIG. 3 is a schematic view showing the relative positioning of the cardboard blanks at the exit of the ejection module, in the intermediate adjustment module and in the receiver module.
  • FIG. 1 shows an example of a printed and cut cardboard blank 2 of length f 2 intended to constitute a box, which has a certain peripheral profile P 2.
  • This blank has intaglio markings 4 for forming fold lines by means of which we will be later made to constitute the box.
  • the blank of cardboard 2 also has cutouts 3 defining tabs 5 intended, after folding, to ensure the maintenance and consistency of the box.
  • FIG. 2 shows a portion of a printing and / or cutting machine which comprises at the output an ejection module I, an intermediate adjustment module II and a receiver module or flaking III.
  • the purpose of the ejection module I is to separate cardboard blanks 2 which have been printed and cut at the nominal speed V of the machine by printing and cutting modules thereof which are not represented on the machine. drawing. To do this, the ejection module I accelerates the blanks 2, for example by about 40%, or to bring them to a speed of 1.4V.
  • the blanks 2 arriving at the output of ejection module I are spaced from each other by a distance d. According to the prior art, these blanks were immediately transferred to the flaking module III.
  • the blanks 2 are transferred from the ejection module I to the intermediate adjustment module II.
  • the plane of movement (or path) T1 of the incident blanks 2 coming out of the ejection module I forms, with the plane of movement T2 of the blanks in the intermediate adjustment module II, an angle i. about 15 °.
  • This makes it possible to slide the front face of an incident blank 2 onto a preceding blank 2 ', or receiver blank, which is already in the flat position on the T2 displacement plane in the intermediate adjustment module II.
  • the receipt of an incident blank 2 is performed between an upper scalloping wheel 6 and a lower moving belt 7 which have the same peripheral speed ⁇ _ r and which block the incident blank 2 by communicating their speed.
  • the non-overlap NR of the blanks 2 and 2 ' will be more or less important.
  • the speed of the receiving blank 2 ' is equal to the nominal speed of the machine, ie V
  • the intermediate module II is provided with means for adjusting the speed V ⁇ _ of displacement of the receiving blanks 2 ', which makes it possible to adjust the non-recovery rate ⁇ to the desired value.
  • the intermediate adjustment module II provides several functions. First of all, it makes it possible to reduce the difference in speed that exists between the incident blank 2 and the receiving blank 2 'and therefore it makes it possible to ensure a rigorous positioning of the incident blank on the receiving blank, and this by reducing the influence of the random phenomena that occur during the scaling operation, as well as avoiding unintended marks on the incident blanks.
  • input from the intermediate adjustment module II will be used with means for rapidly folding down the rear portion of the carton blank 2, provided that the It will have left the ejection module I, so that the new incident blank arriving (this arrival being at a level N) can not collide with it.
  • These means are shown in Figure 2 by the arrow F. They can be of any type and in particular constituted by a rotating cam that presses during its passage on the rear part of the blank and positively accompanying it down to it is below the arrival level N of the next blank.
  • the intermediate adjustment module II thus allows: a) to precisely stabilize and position an incident blank on a receiving blank and this in a machine of high nominal speed V. b) to precisely adjust the recovery R (or non-recovery NR) of a blank incident on a receiving blank, c) adjust, if necessary, the angle of incidence i. of the path T1 of the incident blanks 2 and the path T2 of the receiving blanks 2 ', d) insofar as the overlap R of the sidewalls takes place more precisely, to reduce the deviation d of the blanks at the output of the module of ejection I and thus the speed of the blanks at the output of the latter.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Pile Receivers (AREA)

Abstract

The invention relates to a device for scaling cut-out cardboard blanks (2, 2') comprising the high-speed (1,4V) ejection means (I) of a cutting machine and low-speed (V') receiving means. The inventive device is characterised in that it is provided with an intermediate adjusting module (II) whose at least blank-driving speed is adjustable and which is arranged between the ejection means (I) and the receiving means (III).

Description

MODULE INTERMEDIAIRE D'AJUSTEMENT POUR MACHINE DE MISE EN ECAILLES INTERMEDIATE ADJUSTING MODULE FOR SCREENING MACHINE
La présente invention concerne un dispositif destiné à permettre la mise en écailles à grande vitesse de flans de cartons imprimés et découpés.The present invention relates to a device for allowing the high-speed flaking of blanks printed and cut cardboard.
On sait que les machines à imprimer et à découper les flans de carton sont amenées à fonctionner à des vitesses de plus en plus élevées ce qui confronte leurs concepteurs à de multiples problèmes techniques tant au niveau de l'impression qu'à celui de la mise en écaille de ces flans de carton.We know that machines to print and cut cardboard blanks are driven to operate at higher speeds which confronts their designers to multiple technical problems both in terms of printing and the implementation of in flakes of these cardboard blanks.
En ce qui concerne la mise en écailles, on sait que les flans imprimés sont assemblés, après leur découpe, de façon à former une écaille, c'est-à-dire qu'ils sont amenés à se recouvrir partiellement les uns les autres. Pour ce faire les flans en provenance d'un module de découpe d'une machine à imprimer de vitesse nominale déterminée sont amenés à un module éjecteur qui accélère les flans de façon à les séparer. Les flans sont ensuite délivrés à un module récepteur défilant à une vitesse inférieure, si bien qu'ils sont ainsi amenés à recouvrir partiellement les flans précédemment déposés sur le tapis d'un module récepteur. Sur des machines dont la vitesse nominale est de l'ordre de 200m/min le transfert des flans de carton du module d'éjection au module récepteur se déroule sans difficulté particulière. Cependant, lorsque l'on vise des vitesses beaucoup plus importantes, de l'ordre, par exemple de 350m/min, des phénomènes d'apparence plus ou moins aléatoires se manifestent qui perturbent le bon ordonnancement de l'empilement des flans. En conséquence il n'est pas possible de disposer chaque flan sur un flan précédent avec une précision et une répétibilité suffisante pour éviter certains problèmes.As regards scaling, it is known that the printed blanks are assembled, after cutting, so as to form a shell, that is to say that they are caused to partially overlap each other. To do this, the blanks coming from a cutting module of a printing machine with a given nominal speed are fed to an ejector module which accelerates the blanks so as to separate them. The blanks are then delivered to a receiver module traveling at a lower speed, so that they are thus brought to partially cover the blanks previously deposited on the mat of a receiver module. On machines whose nominal speed is of the order of 200m / min the transfer of cardboard blanks from the ejection module to the receiver module takes place without particular difficulty. However, when one targets much higher speeds, of the order, for example of 350m / min, more or less random appearance phenomena occur which disturb the proper scheduling of the stack of blanks. Consequently it is not possible to arrange each blank on a blank previous with sufficient precision and repetition to avoid certain problems.
On sait en effet qu'un flan incident qui vient se superposer sur un flan précédent, ou flan récepteur, est présenté de façon qu'il possède par rapport à celui-ci un certain angle d'incidence, si bien que l'arête antérieure du flan incident glisse sur la surface du flan récepteur, déjà en position à plat, et ceci sur une certaine distance constituant le décalage des flans en écaille, ou recouvrement. Or on sait que certains flans de carton découpés, notamment dans le domaine de l'emballage, possèdent des formes complexes présentant des portions susceptibles de venir en saillie, telles que par exemple des pattes de fixation, qui font qu' à un certain moment lors du glissement l'arête antérieure du flan incident vient s'accrocher dans l'une de ces portions en saillie du flan récepteur causant ainsi un désordre tel qu' il nécessite le plus souvent l'arrêt immédiat de la chaîne.It is known in fact that an incident blank which is superimposed on a previous blank, or receiving blank, is presented so that it has relative to it a certain angle of incidence, so that the front edge the incident blank slides on the surface of the receiving blank, already in the flat position, and this over a distance constituting the offset of the flake blanks, or covering. However, it is known that some cut cardboard blanks, especially in the field of packaging, have complex shapes with portions likely to protrude, such as for example fastening tabs, which at some point during slip of the anterior edge of the incident blank is hooked in one of these protruding portions of the receiving blank causing a disorder such that it usually requires the immediate termination of the chain.
Il devient ainsi impératif, si l'on souhaite éviter le risque potentiel précédemment mentionné, d'être en mesure de positionner de façon précise et répétitive le flan incident sur le flan récepteur avant qu' il y ait un risque d' accrochageIt thus becomes imperative, if one wishes to avoid the potential risk mentioned above, to be able to accurately and repeatedly position the incident blank on the receiving blank before there is a risk of snagging.
Par ailleurs, dans le cas où les flans supportent des revêtements fragiles tels que par exemple certaines peintures ou dorures, l'arrivée d'un flan incident à une vitesse relative importante et avec une certaine incidence, sur un flan récepteur a pour effet de produire un marquage sur ce dernier. De plus, on sait par ailleurs que les flans incidents sont réceptionnés entre deux éléments ayant une même vitesse . périphérique, à savoir un tapis roulant inférieur et une « roue de mise en écailles » supérieure. Or on a constaté que, lorsque la vitesse du flan incident était très supérieure à la vitesse périphérique de la roue de mise en écailles, celle-ci formait un marquage sur le flan. On comprend que ces différents marquages nuisent à la qualité des flans et peuvent même entraîner leur mise au rebut pure et simple. Il est donc de première importance de mettre en oeuvre des moyens aptes à conserver aux flans de carton leur intégrité.Moreover, in the case where the blanks support fragile coatings such as for example certain paints or gilding, the arrival of an incident blank at a high relative speed and with a certain incidence, on a receiving blank has the effect of producing a mark on the latter. In addition, it is also known that incident blanks are received between two elements having the same speed. peripheral, namely a lower treadmill and a higher "flaking wheel". However, it was found that, when the speed of the incident blank was much greater than the peripheral speed of the setting wheel in scales, it formed a marking on the blank. It is understood that these different markings affect the quality of blanks and may even lead to their scrapping pure and simple. It is therefore of primary importance to implement means capable of preserving cardboard blanks integrity.
D'autre part, on sait que le passage du module éjecteur au module récepteur s'effectue en réalisant entre leurs directions de déplacement un certain angle d' incidence qui est fixe dans les machines de l'état antérieur de la technique. Or il a été constaté, dans le cadre de la présente invention, que pour appliquer une vitesse nominale maximale à la machine il convenait d'ajuster cet angle en fonction d'un certain nombre des paramètres constituants du flan de carton, tels que notamment, sa longueur, sa rigidité, son épaisseur.On the other hand, it is known that the passage of the ejector module to the receiver module is achieved by achieving between their directions of movement a certain angle of incidence which is fixed in the machines of the prior art. In the context of the present invention, it has been found that, in order to apply a maximum nominal speed to the machine, it is necessary to adjust this angle as a function of a certain number of the constituent parameters of the carton blank, such as, in particular, its length, its rigidity, its thickness.
La présente invention a pour but de proposer un dispositif permettant de remédier à ces inconvénients et de satisfaire à ces nouvelles nécessités et notamment à la fois de positionner de façon précise et répétitive des flans incidents sur des flans récepteurs et ceci pour des machines de vitesse nominale élevée tout en évitant la détérioration des flans incidents lors de leur transfert.The object of the present invention is to propose a device making it possible to remedy these drawbacks and to satisfy these new requirements and in particular to accurately and repeatedly position incident blanks on receiving blanks and this for machines of nominal speed. high while avoiding the deterioration of the incident blanks during their transfer.
La présente invention a ainsi pour objet un dispositif de mise en écailles de flans de carton découpés comprenant des moyens d'éjection à grande vitesse d'une machine à découper et/ou à imprimer et des moyens de réception à petite vitesse, caractérisé en ce qu'il comporte, disposé entre les moyens d'éjection et les moyens de réception, un module intermédiaire d'ajustement dont au moins la vitesse d'entraînement des flans est réglable.The present invention thus relates to a device for scaling cut cardboard blanks comprising means for high-speed ejection of a cutting and / or printing machine and means for receiving at a low speed, characterized in that it comprises, disposed between the ejection means and the receiving means, an intermediate adjustment module whose at least the drive speed of the blanks is adjustable.
Selon un mode de réalisation avantageux, le module intermédiaire d'ajustement comporte de préférence des moyens applicateurs aptes à rabattre la partie arrière d'un flan de carton après que celui-ci a quitté le module d'éjection et à l'abaisser à un niveau inférieur au niveau d'arrivée du flan suivant. De cette façon on est sûr que ce flan suivant a une voie dégagée lorsqu'il se présente à l'entrée du module intermédiaire d'ajustement. Ces moyens applicateurs peuvent par exemple comprendre un flux d'air soufflant sur la partie arrière des flans ou par des moyens mécaniques, et notamment un élément rotatif pourvu d'une zone formant came venant en appui sur chaque partie arrière du flan et accompagnant positivement celui-ci pendant au moins une partie de son déplacement.According to an advantageous embodiment, the intermediate adjustment module preferably comprises applicator means able to fold down the rear part of a blank of carton after it has left the ejection module and lower it to a level below the level of arrival of the next blank. In this way it is certain that this next blank has a clear path when it comes to the input of the intermediate adjustment module. These applicator means may for example comprise a flow of air blowing on the rear part of the blanks or by mechanical means, and in particular a rotary element provided with a camming zone bearing on each rear part of the blank and positively accompanying the for at least part of his movement.
Préférentiellement le trajet des flans de carton délivrés en sortie du module d'éjection forme un angle d'incidence avec le trajet de ces flans dans le module intermédiaire d'ajustement. Le module intermédiaire d'ajustement comporte avantageusement des moyens de réglage de cet angle d'incidence.Preferably, the path of the cardboard blanks delivered at the output of the ejection module forms an angle of incidence with the path of these blanks in the intermediate adjustment module. The intermediate adjustment module advantageously comprises means for adjusting this angle of incidence.
La vitesse moyenne de défilement des flans dans le module intermédiaire d'ajustement est par exemple de l'ordre de la moyenne de la vitesse des flans incidents en sortie du module éjecteur et de la vitesse du module récepteur. Ainsi dans le cas d'une vitesse de défilement nominale V de la machine la vitesse en sortie du module éjecteur étant par exemple de 1,4V et la vitesse de défilement V ' dans le module récepteur de 0,1V, la vitesse de défilement \Λ_ dans le module intermédiaire est de l'ordre de 0,6V. En fonction du degré de recouvrement désiré l'utilisateur a ainsi la possibilité d'ajuster la valeur de cette vitesse de part et d'autre de cette vitesse moyenne. La présente invention est intéressante en ce que le module intermédiaire d'ajustement peut s'adapter facilement sur des machines existantes pour les améliorer, dans la mesure où il suffit pour cela d' introduire le module intermédiaire d'ajustement entre un module d'éjection et un module récepteur.The average speed of scrolling blanks in the intermediate adjustment module is for example of the order of the average of the speed of the blanks incident at the output of the ejector module and the speed of the receiver module. Thus, in the case of a nominal running speed V of the machine, the output speed of the ejector module being, for example, 1.4 V and the traveling speed V 'in the receiver module of 0.1 V, the running speed Λ_ in the intermediate module is of the order of 0.6V. Depending on the degree of recovery desired the user has the opportunity to adjust the value of this speed on either side of this average speed. The present invention is interesting in that the intermediate adjustment module can easily adapt to existing machines to improve them, insofar as it suffices to introduce the module. intermediate adjustment between an ejection module and a receiver module.
On décrira ci-après, à titre d'exemple non limitatif, diverses formes d' exécution de la présente invention, en référence au dessin annexé sur lequel :The following will be described by way of non-limiting example, various embodiments of the present invention, with reference to the accompanying drawing in which:
La figure 1 est une vue en plan de deux flans de carton à l'intérieur du module intermédiaire d'ajustement, un flan incident venant en recouvrement d'un flan récepteur.Figure 1 is a plan view of two cardboard blanks inside the intermediate adjustment module, an incident blank overlapping a receiving blank.
La figure 2 est une vue schématique d'un module d'éjection, d'un module intermédiaire d'ajustement d'un module récepteur assurant la réception et la mise en écailles .FIG. 2 is a diagrammatic view of an ejection module, of an intermediate module for adjusting a receiving module providing reception and scaling.
La figure 3 est une vue schématique montrant le positionnement relatif des flans de carton à la sortie du module d'éjection, dans le module intermédiaire d'ajustement et dans le module récepteur.FIG. 3 is a schematic view showing the relative positioning of the cardboard blanks at the exit of the ejection module, in the intermediate adjustment module and in the receiver module.
On a représenté sur la figure 1 un exemple d' un flan de carton imprimé et découpé 2 de longueur f_, destiné à constituer une boîte, qui présente un certain profil périphérique P_. Ce flan présente des marquages en creux 4 destinés à former des lignes de pliure à l'aide desquelles on sera ultérieurement amené à constituer la boîte. Le flan de carton 2 présente également des découpes 3 définissant des pattes 5 destinées, après pliage, à assurer le maintien et la cohérence de la boîte.FIG. 1 shows an example of a printed and cut cardboard blank 2 of length f 2 intended to constitute a box, which has a certain peripheral profile P 2. This blank has intaglio markings 4 for forming fold lines by means of which we will be later made to constitute the box. The blank of cardboard 2 also has cutouts 3 defining tabs 5 intended, after folding, to ensure the maintenance and consistency of the box.
L'opération de mise en écailles consiste à faire se superposer partiellement les flans avec un certain recouvrement R correspondant à la longueur du flan récepteur 2' recouverte par un flan incident 2_. On préférera par la suite faire appel à la notion de non recouvrement NR qui, à l'inverse, représente la longueur du flan 2' non .recouverte par le flan incident 2. On notera qu'au non recouvrement correspond un taux de non recouvrement δ qui correspond au pourcentage de la longueur du flan non recouverte et qui est : δ = NR/fThe flaking operation consists in partially superimposing the blanks with a certain overlap R corresponding to the length of the receiving blank 2 'covered by an incident blank 2_. It will be preferred later to use the concept of non-recovery NR which, conversely, represents the length of the blank 2 'not recovered by the incident blank 2. It will be noted that at non recovery corresponds a non-recovery rate δ which corresponds to percentage of the length of the uncoated blank which is: δ = NR / f
On comprend qu'au cours de la mise en écailles le flan incident 2 glisse sur la surface supérieure du flan récepteur 2' et que si sa face antérieure rencontre alors, au cours de ce déplacement, une partie dépassante du flan récepteur il y a alors une interruption causant un désordre susceptible de nécessiter l'arrêt de toute la chaîne de transfert. On a- représenté, sous forme schématique, sur la figure 2 une partie d'une machine à imprimer et/ou à découper qui comprend en sortie un module d'éjection I, un module intermédiaire d'ajustement II et un module récepteur ou de mise en écailles III. Le module d'éjection I a pour fonction de séparer des flans de carton 2 qui ont été imprimés et découpés à la vitesse nominale V de la machine par des modules d' impression et de découpe de celle-ci qui ne sont pas représentés sur le dessin. Pour ce faire le module d'éjection I accélère les flans 2 par exemple d'environ 40%, soit pour les amener à une vitesse de 1,4V^ Ainsi que représenté sur les figures 2 et 3, les flans 2 arrivant en sortie du module d'éjection I sont ainsi espacés les uns des autres d'une distance d. Suivant l'état antérieur de la technique, ces flans étaient transférés immédiatement au module de mise en écailles III.It is understood that during scaling the incident blank 2 slides on the upper surface of the receiving blank 2 'and that if its anterior face then meets, during this movement, a protruding portion of the receiving blank then there is an interruption causing a disorder that may require stopping the entire transfer chain. FIG. 2 shows a portion of a printing and / or cutting machine which comprises at the output an ejection module I, an intermediate adjustment module II and a receiver module or flaking III. The purpose of the ejection module I is to separate cardboard blanks 2 which have been printed and cut at the nominal speed V of the machine by printing and cutting modules thereof which are not represented on the machine. drawing. To do this, the ejection module I accelerates the blanks 2, for example by about 40%, or to bring them to a speed of 1.4V. As shown in FIGS. 2 and 3, the blanks 2 arriving at the output of ejection module I are spaced from each other by a distance d. According to the prior art, these blanks were immediately transferred to the flaking module III.
Suivant l'invention, les flans 2 sont transférés du module d'éjection I au module intermédiaire d'ajustement II. Pour ce faire le plan de déplacement (ou trajet) Tl des flans incidents 2 sortant du module d'éjection I forme, avec le plan de déplacement T2 des flans dans le module intermédiaire d'ajustement II, un angle i. d'environ 15°. Ceci permet de faire glisser la face antérieure d'un flan incident 2 sur un flan précédent 2' , ou flan récepteur, qui est déjà en position à plat, sur le plan de déplacement T2 dans le module intermédiaire d'ajustement II. La réception d'un flan incident 2 est effectuée entre une roue de mise en écailles supérieure 6 et un tapis de déplacement inférieur 7 qui ont une même vitesse périphérique Ψ_r et qui bloquent le flan incident 2 en lui communiquant leur vitesse.According to the invention, the blanks 2 are transferred from the ejection module I to the intermediate adjustment module II. To do this, the plane of movement (or path) T1 of the incident blanks 2 coming out of the ejection module I forms, with the plane of movement T2 of the blanks in the intermediate adjustment module II, an angle i. about 15 °. This makes it possible to slide the front face of an incident blank 2 onto a preceding blank 2 ', or receiver blank, which is already in the flat position on the T2 displacement plane in the intermediate adjustment module II. The receipt of an incident blank 2 is performed between an upper scalloping wheel 6 and a lower moving belt 7 which have the same peripheral speed Ψ_ r and which block the incident blank 2 by communicating their speed.
On comprend bien entendu qu' en fonction de la différence existant entre la vitesse du flan incident 2 (qui est dans l'exemple choisi 1,4V) et la vitesse V_[_ du flan récepteur 2' le non recouvrement NR des flans 2 et 2' sera plus ou moins important. Ainsi, si la vitesse du flan récepteur 2' est égale à la vitesse nominale de la machine, soit V, le flan incident 2 viendra se positionner juste à toucher le flan récepteur 2' (le non recouvrement sera alors NR=f, et le taux de non recouvrement sera δ=l) et, en conséquence, pour qu'il y ait recouvrement il sera nécessaire que la vitesse V_^_ du flan récepteur 2' soit inférieure à ladite vitesse nominale V. On comprend que dans ces conditions on pourra régler la valeur NR de non recouvrement du flan récepteur 2' par le flan incident 2 par le réglage de la vitesse V_[_ du flan 2' dans le module intermédiaire d'ajustement II.It will of course be understood that, depending on the difference existing between the speed of the incident blank 2 (which is in the chosen example 1.4 V) and the speed V 2 of the receiving blank 2, the non-overlap NR of the blanks 2 and 2 'will be more or less important. Thus, if the speed of the receiving blank 2 'is equal to the nominal speed of the machine, ie V, the incident blank 2 will be positioned just to touch the receiving blank 2' (the non-cover will then be NR = f, and the rate of non-recovery will be δ = 1) and, consequently, for it to recover it will be necessary that the speed V _ ^ _ of the receiving blank 2 'is lower than said nominal speed V. It is understood that under these conditions it will be possible to adjust the non-covering value NR of the receiving blank 2 'by the incident blank 2 by adjusting the speed V _ [_ of the blank 2' in the intermediate adjustment module II.
On précisera d'ailleurs que le taux de non recouvrement δ est égal à la différence de vitesse de défilement relative entre le module intermédiaire d'ajustement II et la vitesse nominale V de la machine soit : δ = V /VIt will moreover be specified that the non-recovery rate δ is equal to the difference in relative running speed between the intermediate adjustment module II and the nominal speed V of the machine, namely: δ = V / V
Suivant l'invention, le module intermédiaire II est pourvu de moyens permettant d'ajuster la vitesse V^_ de déplacement des flans récepteurs 2' ce qui permet d'ajuster à la valeur souhaitée le taux de non recouvrement δ.According to the invention, the intermediate module II is provided with means for adjusting the speed V ^ _ of displacement of the receiving blanks 2 ', which makes it possible to adjust the non-recovery rate δ to the desired value.
Ainsi, suivant . l'invention, le module intermédiaire d'ajustement II assure plusieurs fonctions. Tout d'abord il permet de réduire la différence de vitesse qui existe entre le flan incident 2 et le flan récepteur 2' et de ce fait il permet d'assurer un rigoureux positionnement du flan incident sur le flan récepteur, et ceci en réduisant l'influence des phénomènes aléatoires qui se manifestent au cours de l'opération de mise en écailles, de même qu'il évite les marques involontaires sur les flans incidents.So, next. the invention, the intermediate adjustment module II provides several functions. First of all, it makes it possible to reduce the difference in speed that exists between the incident blank 2 and the receiving blank 2 'and therefore it makes it possible to ensure a rigorous positioning of the incident blank on the receiving blank, and this by reducing the influence of the random phenomena that occur during the scaling operation, as well as avoiding unintended marks on the incident blanks.
Il assure ensuite une fonction d'ajustement du taux de non recouvrement δ et permet en conséquence d' amener le flan incident 2 sur le flan récepteur 2' et d'arrêter le recouvrement avant qu'il y ait un risque que l'une des arêtes antérieure du flan incident 2 ne vienne en contact avec une patte du flan récepteur 2' .It then performs a function of adjusting the non-recovery rate δ and consequently makes it possible to bring the incident blank 2 onto the receiving blank 2 'and to stop the recovery before there is a risk that one of the anterior edges of the incident blank 2 does not come into contact with a paw of the receiving blank 2 '.
Le passage des flans 2' du module intermédiaire d'ajustement II au module récepteur III s'effectuera de la même façon et ceci avec un décalage entre les vitesses respectives de ces modules (dans l'exemple donné V =0, βm/min et V ' =0, lm/min) faible ce qui permet de garantir un positionnement précis et un nouveau taux de non recouvrement δ' final rigoureux.The passage of the blanks 2 'of the intermediate adjustment module II to the receiver module III will be done in the same way and this with an offset between the respective speeds of these modules (in the example given V = 0, βm / min and V '= 0, lm / min), which makes it possible to guarantee precise positioning and a new rigorous non-recovery rate δ'.
Préférentiellement, suivant l'invention, ainsi que représenté sur la figure 2, on fera appel en entrée du module intermédiaire d'ajustement II à des moyens permettant de rabattre rapidement vers le bas la partie arrière du flan de carton 2 dès lors que celui-ci aura quitté le module d'éjection I, de façon que le nouveau flan incident arrivant (cette arrivée se faisant à un niveau N) ne puisse entrer en collision avec lui. Ces moyens sont figurés sur la figure 2 par la flèche F. Ils pourront être de tout type et notamment constitués par une came rotative venant appuyer lors de son passage sur la partie arrière du flan et accompagnant positivement celle-ci vers le bas jusqu'à ce qu'elle se trouve en dessous du niveau d'arrivée N du flan suivant.Preferably, according to the invention, as shown in FIG. 2, input from the intermediate adjustment module II will be used with means for rapidly folding down the rear portion of the carton blank 2, provided that the It will have left the ejection module I, so that the new incident blank arriving (this arrival being at a level N) can not collide with it. These means are shown in Figure 2 by the arrow F. They can be of any type and in particular constituted by a rotating cam that presses during its passage on the rear part of the blank and positively accompanying it down to it is below the arrival level N of the next blank.
Le module intermédiaire d'ajustement II permet donc ainsi : a) de stabiliser et positionner de façon précise un flan incident sur un flan récepteur et ceci dans une machine de grande vitesse nominale V. b) de régler, de façon précise, le recouvrement R (ou le non recouvrement NR) d' un flan incident sur un flan récepteur, c) d'ajuster, si besoin en est, l'angle d'incidence i. du trajet Tl des flans incidents 2 et le trajet T2 des flans récepteurs 2' , d) dans la mesure où le recouvrement R des flancs s'effectue de façon plus précise, de diminuer l'écart d des flans en sortie du module d'éjection I et donc la vitesse des flans en sortie de ce dernier. The intermediate adjustment module II thus allows: a) to precisely stabilize and position an incident blank on a receiving blank and this in a machine of high nominal speed V. b) to precisely adjust the recovery R (or non-recovery NR) of a blank incident on a receiving blank, c) adjust, if necessary, the angle of incidence i. of the path T1 of the incident blanks 2 and the path T2 of the receiving blanks 2 ', d) insofar as the overlap R of the sidewalls takes place more precisely, to reduce the deviation d of the blanks at the output of the module of ejection I and thus the speed of the blanks at the output of the latter.

Claims

REVENDICATIONS
1.- Dispositif de mise en écailles de flans de carton découpés (2,2') comprenant des moyens d'éjection (I) à grande vitesse (1,4V) d'une machine à découper et/ou à imprimer et des moyens de réception à petite vitesse (V ' ) , caractérisé en ce qu'il comporte, disposé entre les moyens d'éjection (I) et les moyens de réception (III), un module intermédiaire d'ajustement (II) dont au moins' la vitesse d'entraînement des flans est réglable.1.- Device for scaling cut cardboard blanks (2,2 ') comprising high speed ejection means (I) (1,4V) of a cutting and / or printing machine and means receiving device at low speed (V '), characterized in that it comprises, arranged between the ejection means (I) and the receiving means (III), an intermediate adjustment module (II) of which at least' the driving speed of the blanks is adjustable.
2.- Dispositif suivant la revendication 1 caractérisé en ce que le module intermédiaire d'ajustement (II), comporte des moyens applicateurs (F) aptes à rabattre la partie arrière d'un flan de carton (2) après que celui-ci a quitté le module d'éjection (I) et à l'abaisser à un niveau inférieur au niveau d'arrivée (N) du flan suivant.2.- Device according to claim 1 characterized in that the intermediate adjustment module (II) comprises applicator means (F) adapted to fold the rear portion of a carton blank (2) after it has left the ejection module (I) and lower it to a level below the level of arrival (N) of the next blank.
3.- Dispositif suivant la revendication 2 caractérisé en ce que les moyens applicateurs (F) comprennent un élément rotatif pourvu d' une zone formant came qui vient en appui sur chaque partie arrière du flan (2) et accompagne positivement celui-ci pendant au moins une partie de son déplacement .3.- Device according to claim 2 characterized in that the applicator means (F) comprise a rotary member provided with a camming zone which abuts on each rear portion of the blank (2) and positively accompanies it during the least part of his displacement.
4.- Dispositif suivant l'une des revendications précédentes caractérisé en ce que le trajet des flans de carton (2) délivrés en sortie du module d'éjection (I) forment un angle d'incidence (i) avec le trajet de ces flans dans le module intermédiaire d'ajustement (II) et ce dernier comporte des moyens de réglage dudit angle d'incidence (i) . 4.- Device according to one of the preceding claims characterized in that the path of the cardboard blanks (2) delivered at the output of the ejection module (I) form an angle of incidence (i) with the path of these blanks in the intermediate adjustment module (II) and the latter comprises means for adjusting said angle of incidence (i).
5.- Dispositif suivant l'une des revendications 2 ou 4 caractérisé en ce que l'angle d'incidence est voisin de 15°.5.- Device according to one of claims 2 or 4 characterized in that the angle of incidence is close to 15 °.
6.- Dispositif suivant l'une des revendications précédentes caractérisé en ce que la vitesse nominale d'entraînement (V) du module intermédiaire (II) se situe environ au milieu de l'écart des vitesses en sortie du module d'éjection (I) et du module récepteur (III).6.- Device according to one of the preceding claims characterized in that the nominal drive speed (V) of the intermediate module (II) is approximately in the middle of the deviation of the speeds at the output of the ejection module (I) and the receiver module (III).
7.- Dispositif suivant l'une des revendications précédentes caractérisé en ce que la vitesse des flans du module d'éjection est supérieure de 40% à la vitesse nominale (V) de la machine. 7.- Device according to one of the preceding claims characterized in that the speed of the blanks of the ejection module is 40% higher than the nominal speed (V) of the machine.
EP06831002A 2005-10-24 2006-10-24 Intermediate adjusting module for a scaling machine Active EP1963219B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0510834A FR2892403B1 (en) 2005-10-24 2005-10-24 INTERMEDIATE ADJUSTING MODULE FOR SCREENING MACHINE
PCT/FR2006/002386 WO2007048919A2 (en) 2005-10-24 2006-10-24 Intermediate adjusting module for a scaling machine

Publications (2)

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EP1963219A2 true EP1963219A2 (en) 2008-09-03
EP1963219B1 EP1963219B1 (en) 2013-02-06

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US (1) US20080272539A1 (en)
EP (1) EP1963219B1 (en)
JP (1) JP2009512605A (en)
FR (1) FR2892403B1 (en)
WO (1) WO2007048919A2 (en)

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CN110745620A (en) * 2019-10-30 2020-02-04 常州市新创智能科技有限公司 Transition device

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JP2516640Y2 (en) * 1990-06-25 1996-11-06 株式会社小森コーポレーション Paper dodger
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CN110745620A (en) * 2019-10-30 2020-02-04 常州市新创智能科技有限公司 Transition device

Also Published As

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FR2892403A1 (en) 2007-04-27
EP1963219B1 (en) 2013-02-06
JP2009512605A (en) 2009-03-26
US20080272539A1 (en) 2008-11-06
FR2892403B1 (en) 2008-11-21
WO2007048919A2 (en) 2007-05-03
WO2007048919A3 (en) 2007-08-02

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