WO2019207210A1 - Tray dispenser - Google Patents

Tray dispenser Download PDF

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Publication number
WO2019207210A1
WO2019207210A1 PCT/FR2018/000098 FR2018000098W WO2019207210A1 WO 2019207210 A1 WO2019207210 A1 WO 2019207210A1 FR 2018000098 W FR2018000098 W FR 2018000098W WO 2019207210 A1 WO2019207210 A1 WO 2019207210A1
Authority
WO
WIPO (PCT)
Prior art keywords
tray
stack
gripping means
support
movable
Prior art date
Application number
PCT/FR2018/000098
Other languages
French (fr)
Inventor
Jean Ferras
Original Assignee
Jean Ferras
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 Jean Ferras filed Critical Jean Ferras
Priority to PCT/FR2018/000098 priority Critical patent/WO2019207210A1/en
Publication of WO2019207210A1 publication Critical patent/WO2019207210A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G59/00—De-stacking of articles
    • B65G59/02—De-stacking from the top of the stack
    • B65G59/04—De-stacking from the top of the stack by suction or magnetic devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • B65G2201/0235—Containers
    • B65G2201/0258—Trays, totes or bins

Definitions

  • the present invention relates to a tray dispenser, for canteens, company restaurants, fast food self service.
  • the trays are most often made available to the consumer in the form of a stack at the beginning of a chimney. At the end of this journey the consumer goes to a cashier where he proceeds to the payment of the products carried
  • the delivery of the plaque constitutes the "receipt" of a prior payment.
  • the tray is not at the disposal of the consumer but is issued to the latter if he has paid the price of his meal.
  • the trays are therefore delivered to the consumer by this controller, from a stack of trays that is only accessible to catering staff.
  • current controllers act on the entire stack of trays to place the upper tray thereof at an altitude determined by the level of support of the tray by each user.
  • the motor devices implemented are powerful and the efforts involved in these machines are important, imposing rigid and large chassis to cash these efforts and products. protection for users and staff.
  • these known devices involve the use of dedicated trolleys which is not suitable for user communities that are already equipped with trolleys of the market, of various types, to route the trays from the washing point to the distribution point.
  • the controller picks up the top plate of the stack and releases it into a pickup location.
  • the present invention relates to a tray dispenser from a stack of the latter, comprising a manipulator adapted to take charge of the last tray of the stack and to transport it to at least one position of its presentation to the user.
  • the manipulator comprising an arm movable along a vertical direction, carrying a gripping means at its end facing said plate, between a high position and a plura lity of low positions corresponding, each, to the altitude on the stack of each tray to be taken, activated in the low position and deactivated in the high position and a support substantially located in a neighboring plane and less than the altitude of the upper position of the gripping means, transverse to the upward path of each tray and movable between an erasure position in which it releases the ascensional path of the gripping means and a service position in which it can receive the plate released in the upper position by the gripping means, characterized in that said support comprises a carriage movable between said operating position and said erasing position which is confused with at least one of
  • the gripping means is a controlled vacuum suction cup.
  • FIG. 1 and 2 illustrate in perspective views, a dispenser according to the invention in two different states.
  • the tray dispenser according to the invention shown comprises an outer frame comprising a base plate 1 equipped with four vertical uprights. 2, 3, 4 and 5.
  • This frame forms the support of a lower stack of trays 6 and the functional organs of the dispenser of the invention such as a gripping arm 7 to take each tray from the stack 6 and a support 8 (a horizontal tablet for example) of each tray taken to make it available to the user.
  • the frame comprises a vertical guide 9, in the vicinity of one of its lateral faces which is not reserved for either the removal of a plate (side A) or the introduction of stacks of trays (side B). It also comprises a horizontal guide 10 in the upper part of the other side face.
  • These guides are in this case formed by square tubes thus providing four rolling faces for guide rollers carried by carriages 11 and 12.
  • the carriage 11 is assigned to the gripper arm 7 while the carriage 12 is assigned 8.
  • These bodies 7 and 8 are securely fixed to said carriages to extend cantilever relative to the guides 9 and 10.
  • the carriage 11 is connected to a strand of a belt 13 which is wound on two pulleys carried by the frame (very schematically represented in the figures), these pulleys being wedged on the axis of two other pulleys , of a smaller diameter (for example one-third of the diameter of the winding pulleys of the belt 13), around which a second belt ⁇ 14 wraps, this second belt 14 having a strand attached to the end of the rod of a cylinder 15 whose extension and retraction are along a direction parallel to the vertical guide 9.
  • This jack like the pulleys and the belts, is supported by the frame.
  • a given stroke of the jack 15 causes a stroke of the carriage 11 along the guide 9 of triple amplitude in this case.
  • the vertical stroke of the gripper arm 7 will thus be adjusted to be able to scan a distance that will be at most equal to that separating the lower altitude of the sole of an altitude ended, higher than that to which the sup ⁇ port 8.
  • the control of the cylinder makes it possible to pass the support 8 from a first position in which it cuts the vertical trajectory of a plate 6 raised by the arm 7 towards a second position where this support is outside this trajectory, which position will preferably be the position of presentation of the plate to the user.
  • the first position is that shown in Figure 1 while the second is that of Figure 2.
  • the belts are toothed belts (or chains) and the pulleys are toothed accordingly to ensure a transmission without slipping between the cylinders and the organs they actuate, useful for a correct and accurate ⁇ dexation of the end of races in particular.
  • the gripping arm 7 is provided at its end, facing the tray to be handled, with a suction cup 19 which enables it to take over a tray at the top of the stack 6 when the vacuum is admitted into the suction cup in contact with this plate, to raise it to a level higher than that of the support 8 and to release it by causing the depression to stop so that it is collected by the support 8.
  • this touse is advantageously mounted at the end of the arm 7 by a ball joint type that allows it to take into account any lack of horizontality in the stack of trays.
  • the lower altitude of the arm being determined by a presence sensor associated with the suction cup, the height of the stacks of trays does not matter.
  • FIGS. 1 and 18 show a vacuum source 20 disposed on the soleplate 1 and which is suitably connected to the suction cup 19 and to the jacks 15 and 18.
  • a single logic automaton performs, according to a programmed cycle. and set, establish and stop depression in the suction cup and switch the connection of the chambers of each of the cylinders 15 and 18 with the atmosphere or with the vacuum source.
  • the frame has an outer casing (not shown) which encloses the mechanisms described above with the exception of an open rear face B to enable the supply of the trays in stacks and a slot on its front face. A through which a plate is advanced towards the user by means of the support 8.
  • the device is waiting for presentation of a tray in a state where the vacuum consumption is minimal.
  • a plate released by the gripper, rests on the support 8 which is in its position of Figure 1 that is to say inside the frame.
  • a user is allowed to have a tray.
  • the cylinder 18 brings out this plate and an operating cycle begins ( Figure 2).
  • the suction cup is lowered on the last tray of the battery 6 where a proximity sensor allows to evacuate.
  • the plate 6b, sucked by the suction cup is raised by the cylinder 15 and its associated transmission mechanism.
  • the plateau having reached its maximum altitude 6a (FIG. 1), the support 8 is brought back inside the frame under the latter and the plate is deposited therein and the cycle stops until satisfying the request of another user.
  • the vacuum consumption is zero to near leaks.
  • the position of the support which is outside the vertical trajectory of the plate carried by the gripper arm is that of presentation of the plate to the user. It is not outside the scope of the invention to provide at least one other position releasing the vertical path. This could for example be a rearward position that would discard a non-conforming tray for example requirements of cleanliness or aesthetics, to the extent that before satisfying each user request, it would proceed to a check of each tray according to a specification of quality.

Landscapes

  • De-Stacking Of Articles (AREA)

Abstract

The invention relates to a dispenser for dispensing trays (6a, 6b) from a stack (6) of same, including a manipulator capable of picking up the top tray (6b) of the stack and of transporting same to at least one position for presenting it to the user, the manipulator including a mobile arm (7) having grasping means (19) at the end thereof facing said tray and being movable along a vertical direction between a high position and a plurality of low positions, each corresponding to the height of the stack of each tray to be collected, said grasping means being activated in the low position and deactivated in the high position, and a support (8) located substantially in an adjacent plane and lower than the height of the high position of the grasping means (7, 19), across the rising path of each tray and movable between a stowed position in which it does not block the ascending path of the grasping means and a service position in which it can receive the tray released in the high position by the grasping means, characterised in that said support (8) includes a carriage (11) movable between said service position and said stowed position which coincides with at least one of the presentation positions.

Description

DI5TRIBUTEUR DE PLATEAUX  DI5TRIBUTOR OF TRAYS
La présente invention concerne un distributeur de plateaux, pour cantines, restaurants d'entreprises, restauration rapide en libre-service.... The present invention relates to a tray dispenser, for canteens, company restaurants, fast food self service.
ARRIERE PLAN DE L'INVENTION  BACKGROUND OF THE INVENTION
Dans la plupart des lieux de restauration rapide, il existe des plateaux qui permettent au consommateur de rassembler les produits qu'il a choisi de consommer, les instruments utiles à cette consommation et de transporter ces objets du lieu de leur exposition au lieu de leur con- sommation.  In most fast food places, there are trays that allow the consumer to collect the products he has chosen to consume, the instruments useful for this consumption and to transport these objects from the place of their exhibition instead of their con - summation.
Les plateaux sont le plus souvent mis à disposition du consommateur sous forme d'une pile au début d'un chemi nement. A la fin de ce cheminement le consommateur passe devant une caisse où il procède au paiement des produits emportés  The trays are most often made available to the consumer in the form of a stack at the beginning of a chimney. At the end of this journey the consumer goes to a cashier where he proceeds to the payment of the products carried
Pour ce qui concerne le cas particulier de cer taines cantines scolaires notamment, la délivrance du pla teau constitue le « reçu » d'un paiement a priori. Aussi dans ce cas, le plateau n'est pas à la libre disposition du consommateur mais est délivré à ce dernier s'il a acquitté le prix de son repas.  With regard to the particular case of some school canteens in particular, the delivery of the plaque constitutes the "receipt" of a prior payment. Also in this case, the tray is not at the disposal of the consumer but is issued to the latter if he has paid the price of his meal.
Cette manière de procéder qui possède de nombreux avantages en termes de coût de personnel requiert des distributeurs de plateaux qui sont des automates déclenchés par le paiement du prix.  This way of proceeding which has many advantages in terms of personnel cost requires distributors of trays which are automatons triggered by the payment of the price.
Les plateaux sont donc délivrés au consommateur par cet automate, à partir d'une pile de plateaux qui n'est accessible qu'au personnel de restauration. En général, les automates actuels agissent sur la totalité de la pile de plateaux pour placer le plateau supérieur de cette dernière à une altitude déterminée par le niveau de prise en charge du plateau par chaque usager. Les dispositifs moteurs mis en œuvre sont puissants et les efforts en jeu dans ces automates sont importants, imposant des châssis rigides et de grandes dimensions pour encaisser ces efforts et des pro- tections destinées à la sécurité des usagers et du personnel. En outre, ces dispositifs connus impliquent d'utiliser des chariots dédiés ce qui ne convient pas aux collectivi tés utilisatrices qui sont déjà équipées de chariots du marché, de plusieurs types, pour acheminer les plateaux du point de lavage au point de distribution. L'automate prélève le plateau supérieur de la pile et le libère dans un lieu de prélèvement. The trays are therefore delivered to the consumer by this controller, from a stack of trays that is only accessible to catering staff. In general, current controllers act on the entire stack of trays to place the upper tray thereof at an altitude determined by the level of support of the tray by each user. The motor devices implemented are powerful and the efforts involved in these machines are important, imposing rigid and large chassis to cash these efforts and products. protection for users and staff. In addition, these known devices involve the use of dedicated trolleys which is not suitable for user communities that are already equipped with trolleys of the market, of various types, to route the trays from the washing point to the distribution point. The controller picks up the top plate of the stack and releases it into a pickup location.
Par ailleurs, l'un des problèmes les plus souvent rencontrés dans ce type d'installation est la panne de l'automate. Il s'ensuit toute une procédure de secours qui oblige de mobiliser du personnel pour délivrer à la main les plateaux après avoir encaissé le prix ou débité une carte prépayée.  Moreover, one of the problems most often encountered in this type of installation is the failure of the controller. It follows a whole procedure of rescue which obliges to mobilize staff to deliver by hand the trays after having cashed the price or debited a prepaid card.
Pour limiter les occasions de pannes, il est néces saire de disposer d'un distributeur le plus robuste possible, c'est-à-dire qui mette en œuvre un manipulateur simple et d'entretien aisé et rapide.  To limit the opportunities for breakdowns, it is necessary to have a distributor as robust as possible, that is to say that implements a simple manipulator and easy and fast maintenance.
C'est dans cet esprit que l'invention a été conçue.  It is in this spirit that the invention has been conceived.
OBJET DE L'INVENTION  OBJECT OF THE INVENTION
A cét effet, la présente invention concerne distributeur de plateaux à partir d'une pile de ces derniers, comportant un manipulateur apte à prendre en charge le dernier plateau de la pile et à le transporter jusqu'au moins une position de sa présentation à l'usager, le manipulateur comportant un bras mobile le long d'une direction verti cale, portant un moyen de préhension à son extrémité en re gard dudit plateau, entre une position haute et une plura lité de positions basses correspondant, chacune, à l'altitude sur la pile de chaque plateau à prélever, activé en position basse et désactivé en position haute et un support sensiblement situé dans un plan voisin et inférieur à l'altitude de la position haute du moyen de préhension, transversal au trajet ascendant de chaque plateau et mobile entre une position d'effacement dans laquelle il libère le trajet ascensionnel du moyen de préhension et une position de service dans laquelle il peut recevoir le plateau libéré en position haute par le moyen de préhension, caractérisé en ce que ledit support comporte un chariot, mobile entre ladite position de service et ladite position d'effacement qui est confondue avec au moins l'une des positions de pré sentation . To achieve this, the present invention relates to a tray dispenser from a stack of the latter, comprising a manipulator adapted to take charge of the last tray of the stack and to transport it to at least one position of its presentation to the user. user, the manipulator comprising an arm movable along a vertical direction, carrying a gripping means at its end facing said plate, between a high position and a plura lity of low positions corresponding, each, to the altitude on the stack of each tray to be taken, activated in the low position and deactivated in the high position and a support substantially located in a neighboring plane and less than the altitude of the upper position of the gripping means, transverse to the upward path of each tray and movable between an erasure position in which it releases the ascensional path of the gripping means and a service position in which it can receive the plate released in the upper position by the gripping means, characterized in that said support comprises a carriage movable between said operating position and said erasing position which is confused with at least one of the presentation positions.
Ainsi, seul le plateau supérieur de la pile est ma nipulé et présenté à l'usager dès que son paiement a été enregistré. Dans l'invention, les efforts mis en jeu sont considérablement moindres que ceux de l'état de la tech nique et, surtout, la collectivité utilisatrice n'est pas contrainte d'utiliser de chariots spécifiques, dédiés à 1' automate .  Thus, only the top plate of the stack is my nipulé and presented to the user as soon as his payment has been recorded. In the invention, the efforts involved are considerably less than those of the state of the art and, above all, the user community is not forced to use specific trolleys dedicated to the automaton.
La manœuvre du moyen de préhension et du support est assurée par des vérins pneumatiques chacun associé à une transmission par courroie avec multiplicateur de course.  Maneuvering the gripping means and support is provided by pneumatic cylinders each associated with a belt transmission with stroke multiplier.
Le moyen de préhension est une ventouse à dépres- sion commandée.  The gripping means is a controlled vacuum suction cup.
D'autres caractéristiques et avantages de l'invention ressortiront de la description donnée ci-après d'un exemple de réalisation de l'invention.  Other features and advantages of the invention will emerge from the description given below of an exemplary embodiment of the invention.
BREVE DESCRIPTION DES DESSINS II sera fait référence aux dessins annexés dans lesquels :  BRIEF DESCRIPTION OF THE DRAWINGS Reference will be made to the accompanying drawings in which:
- les figures 1 et 2 illustrent par des vues en perspective, un distributeur selon l'invention dans deux états différents.  - Figures 1 and 2 illustrate in perspective views, a dispenser according to the invention in two different states.
Les éléments identiques représentés dans les figures portent des références identiques.  The identical elements shown in the figures bear identical references.
DESCRIPTION DETAILLEE DE L' INVENTION Aux figures, le distributeur de plateaux selon l'invention représenté comporte un bâti extérieur compre nant une semelle de base 1 équipée de quatre montants ver- ticaux 2, 3, 4 et 5. Ce bâti forme le support d'une pile inférieure de plateaux 6 et des organes fonctionnels du distributeur de l'invention tels qu'un bras de préhension 7 pour prélever chaque plateau de la pile 6 et un support 8 (une tablette horizontale par exemple) de chaque plateau prélevé pour le mettre à la disposition de l'usager. DETAILED DESCRIPTION OF THE INVENTION In the figures, the tray dispenser according to the invention shown comprises an outer frame comprising a base plate 1 equipped with four vertical uprights. 2, 3, 4 and 5. This frame forms the support of a lower stack of trays 6 and the functional organs of the dispenser of the invention such as a gripping arm 7 to take each tray from the stack 6 and a support 8 (a horizontal tablet for example) of each tray taken to make it available to the user.
Le bâti comporte un guide vertical 9, au voisinage de l'une de ses faces latérales qui n'est pas réservée soit au prélèvement d'un plateau (face A) soit à l'introduction des piles de plateaux (face B) . Il comporte également un guide horizontal 10 en partie supérieure de l'autre face latérale. Ces guides sont dans le cas d'espèce, formés par des tubes carrés offrant ainsi quatre faces de roulement pour des galets de guidage portés par des chariots 11 et 12. Le chariot 11 est affecté au bras préhenseur 7 tandis que le chariot 12 est affecté au support 8. Ces organes 7 et 8 sont solidement fixés auxdits chariots pour s'étendre en porte-à-faux par rapport aux guides 9 et 10.  The frame comprises a vertical guide 9, in the vicinity of one of its lateral faces which is not reserved for either the removal of a plate (side A) or the introduction of stacks of trays (side B). It also comprises a horizontal guide 10 in the upper part of the other side face. These guides are in this case formed by square tubes thus providing four rolling faces for guide rollers carried by carriages 11 and 12. The carriage 11 is assigned to the gripper arm 7 while the carriage 12 is assigned 8. These bodies 7 and 8 are securely fixed to said carriages to extend cantilever relative to the guides 9 and 10.
La manœuvre motorisée de ces deux chariots est as- surée de la manière suivante. Pour le bras préhenseur 7, le chariot 11 est lié à un brin d'une courroie 13 qui s'enroule sur deux poulies portées par le bâti (très schématiquement représentées aux figures) , ces poulies étant calées sur l'axe de deux autres poulies, d'un diamètre in- férieur (par exemple le tiers du diamètre des poulies d'enroulement de la courroie 13), autour desquelles une se¬ conde courroie 14 s'enroule, cette seconde courroie 14 ayant un brin attaché à l'extrémité de la tige d'un vérin 15 dont l'extension et la rétraction sont le long d'une di- rection parallèle au guide vertical 9. Ce vérin, comme les poulies et les courroies, est supporté par le bâti. Par ce mécanisme de transmission, une course donnée du vérin 15 provoque une course du chariot 11 le long du guide 9 d'amplitude triple dans le cas d'espèce. La course verti- cale du bras préhenseur 7 sera ainsi ajustée pour pouvoir balayer une distance qui sera au plus égale à celle séparant l'altitude inférieure de la semelle d'une altitude dé terminée, plus élevée que celle à laquelle évolue le sup¬ port 8. The motorized operation of these two carriages is ensured as follows. For the gripper arm 7, the carriage 11 is connected to a strand of a belt 13 which is wound on two pulleys carried by the frame (very schematically represented in the figures), these pulleys being wedged on the axis of two other pulleys , of a smaller diameter (for example one-third of the diameter of the winding pulleys of the belt 13), around which a second belt ¬ 14 wraps, this second belt 14 having a strand attached to the end of the rod of a cylinder 15 whose extension and retraction are along a direction parallel to the vertical guide 9. This jack, like the pulleys and the belts, is supported by the frame. By this transmission mechanism, a given stroke of the jack 15 causes a stroke of the carriage 11 along the guide 9 of triple amplitude in this case. The vertical stroke of the gripper arm 7 will thus be adjusted to be able to scan a distance that will be at most equal to that separating the lower altitude of the sole of an altitude ended, higher than that to which the sup ¬ port 8.
De la même manière, par un mécanisme de transmission identique à celui-ci-dessus décrit mais évoluant dans une direction horizontale, le chariot 12 est déplacé le long du guide horizontal 10. Ainsi ce dernier est attaché à un brin d'une courroie 16 qui s'enroule autour d'un couple de poulies, chacune calée sur l'arbre d'une de deux poulies de diamètre inférieur (par exemple d'un facteur 3) autour desquelles s'enroule une seconde courroie 17 dont un brin est attaché à l'extrémité de la tige d'un vérin 18. Par un choix approprié de la course du vérin et du rapport de mul- tiplication de course, la commande du vérin permet de faire passer le support 8 d'une première position dans laquelle il coupe la trajectoire verticale d'un plateau 6 élevé par le bras 7 vers une seconde position ou ce support est à l'extérieur de cette trajectoire, position qui sera de pré- férence la position de présentation du plateau à l'usager. La première position est celle représentée à la figure 1 tandis que la deuxième est celle de la figure 2. Il est à noter que les courroies sont des courroies crantées (ou des chaînes) et que les poulies sont dentées en conséquence afin d'assurer une transmission sans glissement entre les vérins et les organes qu'ils actionnent, utile pour une in¬ dexation correcte et précise des fins de courses notamment. In the same manner, by a transmission mechanism identical to that described above but moving in a horizontal direction, the carriage 12 is moved along the horizontal guide 10. Thus the latter is attached to a strand of a belt 16 which wraps around a pair of pulleys, each wedged on the shaft of one of two smaller diameter pulleys (for example by a factor of 3) around which a second belt 17 is wound, one strand of which is attached at the end of the rod of a cylinder 18. By a suitable choice of the stroke of the cylinder and the stroke multiplication ratio, the control of the cylinder makes it possible to pass the support 8 from a first position in which it cuts the vertical trajectory of a plate 6 raised by the arm 7 towards a second position where this support is outside this trajectory, which position will preferably be the position of presentation of the plate to the user. The first position is that shown in Figure 1 while the second is that of Figure 2. It should be noted that the belts are toothed belts (or chains) and the pulleys are toothed accordingly to ensure a transmission without slipping between the cylinders and the organs they actuate, useful for a correct and accurate ¬ dexation of the end of races in particular.
On aura noté que le bras de préhension 7 est pourvu à son extrémité, tournée vers le plateau à manipuler, d'une ventouse à dépression 19 qui lui permet de prendre en charge un plateau au sommet de la pile 6 quand le vide est admis dans la ventouse au contact de ce plateau, de l'élever jusqu'à un niveau supérieur à celui du support 8 et à le libérer en faisant cesser la dépression pour qu'il soit recueilli par le support 8. On notera que cette ven- touse est avantageusement montée à l'extrémité du bras 7 par une articulation du genre à rotule qui lui permet de prendre en compte tout défaut d'horizontalité dans la pile de plateaux. Par ailleurs, l'altitude inférieure du bras étant déterminée par un capteur de présence associé à la ventouse, la hauteur des piles de plateaux importe peu. It will have been noted that the gripping arm 7 is provided at its end, facing the tray to be handled, with a suction cup 19 which enables it to take over a tray at the top of the stack 6 when the vacuum is admitted into the suction cup in contact with this plate, to raise it to a level higher than that of the support 8 and to release it by causing the depression to stop so that it is collected by the support 8. It will be noted that this touse is advantageously mounted at the end of the arm 7 by a ball joint type that allows it to take into account any lack of horizontality in the stack of trays. Moreover, the lower altitude of the arm being determined by a presence sensor associated with the suction cup, the height of the stacks of trays does not matter.
On a également représenté sur ces figures une source de vide 20 disposée sur la semelle 1 et qui est re liée de manière appropriée à la ventouse 19 et aux vérins 15 et 18. Plus précisément, un automate logique simple per met, selon un cycle programmé et réglé, d'établir et de faire cesser une dépression dans la ventouse et de commuter la liaison des chambres de chacun des vérins 15 et 18 avec l'atmosphère ou avec .la source de vide.  These figures also show a vacuum source 20 disposed on the soleplate 1 and which is suitably connected to the suction cup 19 and to the jacks 15 and 18. Specifically, a single logic automaton performs, according to a programmed cycle. and set, establish and stop depression in the suction cup and switch the connection of the chambers of each of the cylinders 15 and 18 with the atmosphere or with the vacuum source.
On notera que le bâti possède une enveloppe exté rieure non représentée qui enferme les mécanismes ci-dessus décrits à l'exception d'un face arrière B ouverte pour per mettre l'approvisionnement des plateaux en piles et d'une fente sur sa face avant A au travers de laquelle un plateau est avancé vers l'usager au moyen du support 8.  It will be noted that the frame has an outer casing (not shown) which encloses the mechanisms described above with the exception of an open rear face B to enable the supply of the trays in stacks and a slot on its front face. A through which a plate is advanced towards the user by means of the support 8.
Le dispositif est en attente de présentation d'un plateau dans un état où la consommation de vide est minimale. Dans ce cas un plateau, lâché par le préhenseur, repose sur le support 8 qui est dans sa position de la figure 1 c'est-à-dire à l'intérieur du bâti. Un usager est autorisé à disposer d'un plateau. Le vérin 18 fait sortir ce plateau et un cycle de fonctionnement commence (figure 2) . Ainsi, la ventouse est-elle abaissée sur le dernier plateau de la pile 6 où un capteur de proximité permet d' y faire le vide. Le plateau 6b, aspiré par la ventouse, est élevé par le vérin 15 et son mécanisme de transmission associé. Le plateau étant parvenu à son altitude maximale 6a (figure 1), le support 8 est ramené à l'intérieur du bâti sous ce dernier et le plateau y est déposé et le cycle s'arrête jusqu'à satisfaire la requête d'un autre usager. Dans cet état d'attente du dispositif, la consommation de vide est nulle aux fuites près. The device is waiting for presentation of a tray in a state where the vacuum consumption is minimal. In this case a plate, released by the gripper, rests on the support 8 which is in its position of Figure 1 that is to say inside the frame. A user is allowed to have a tray. The cylinder 18 brings out this plate and an operating cycle begins (Figure 2). Thus, the suction cup is lowered on the last tray of the battery 6 where a proximity sensor allows to evacuate. The plate 6b, sucked by the suction cup, is raised by the cylinder 15 and its associated transmission mechanism. The plateau having reached its maximum altitude 6a (FIG. 1), the support 8 is brought back inside the frame under the latter and the plate is deposited therein and the cycle stops until satisfying the request of another user. In this Waiting state of the device, the vacuum consumption is zero to near leaks.
On remarquera que l'emploi des mécanismes moteurs tels que ceux décrits ci-dessus présentent l'avantage d'être d'un encombrement minimum à l'intérieur de l'enveloppe de l'appareil ce qui permet d'offrir à la clientèle un appareil compact. Bien entendu, l'invention couvre d'autres réalisations mettant en œuvre d'autres moyens moteurs si la contrainte d'encombrement n'est pas importante.  It will be noted that the use of the motor mechanisms such as those described above have the advantage of being of a minimum size inside the envelope of the device which allows to offer customers a compact device. Of course, the invention covers other embodiments implementing other motor means if the congestion constraint is not important.
On indiquera par ailleurs que dans l'exemple décrit, la position du support qui est à l'extérieur de la trajectoire verticale du plateau porté par le bras préhenseur est celle de présentation du plateau à l'usager. Ce n'est pas sortir du cadre de l'invention que de prévoir au moins une autre position libérant la trajectoire verticale. Ce pourrait être par exemple une position vers l'arrière qui écarterait un plateau non conforme par exemple à des exigences de propreté ou d'esthétique, dans la mesure où avant de satisfaire chaque requête d'usager, il serait procédé à un contrôle de chaque plateau en fonction d'un cahier des charges de qualité.  It will be furthermore indicated that in the example described, the position of the support which is outside the vertical trajectory of the plate carried by the gripper arm is that of presentation of the plate to the user. It is not outside the scope of the invention to provide at least one other position releasing the vertical path. This could for example be a rearward position that would discard a non-conforming tray for example requirements of cleanliness or aesthetics, to the extent that before satisfying each user request, it would proceed to a check of each tray according to a specification of quality.

Claims

REVENDICATIONS
1. Distributeur de plateaux (6a, 6b) à partir d'une pile (6) de ces derniers, comportant un manipulateur apte à prendre en charge le dernier plateau (6b) de la pile et à le transporter jusqu'au moins une position de sa présenta tion à l'usager, le manipulateur comportant un bras mobile (7) le long d'une direction verticale, portant un moyen de préhension (19) à son extrémité en regard dudit plateau, entre une position haute et une pluralité de positions basses correspondant, chacune, à l'altitude sur la pile de chaque plateau à prélever, activé en position basse et dé sactivé en position haute et un support (8) sensiblement situé dans un plan voisin et inférieur à l'altitude de la position haute du moyen (7,19) de préhension, transversal au trajet ascendant de chaque plateau et mobile entre une position d'effacement dans laquelle il libère le trajet ascensionnel du moyen de préhension et une position de service dans laquelle il peut recevoir le plateau libéré en position haute par le moyen de préhension, caractérisé en ce que ledit support (8) comporte un chariot (11), mobile entre ladite position de service et ladite position d'effacement qui est confondue avec au moins l'une des positions de présentation.  1. Tray dispenser (6a, 6b) from a stack (6) thereof, comprising a manipulator adapted to take charge of the last tray (6b) of the stack and transport it to at least one position of its presenta tion to the user, the manipulator comprising a movable arm (7) along a vertical direction, carrying a gripping means (19) at its end facing said plate, between a high position and a plurality of lower positions corresponding, each, to the altitude on the stack of each tray to be taken, activated in the low position and deactivated in the high position and a support (8) substantially located in a plane close to and below the altitude of the position high of the gripping means (7, 19) transverse to the upward path of each plate and movable between an erasing position in which it releases the ascension path of the gripping means and a service position in which it can receive the released plate in high position by the gripping means, characterized in that said support (8) comprises a carriage (11) movable between said service position and said erasure position which coincides with at least one of the presentation positions.
2. Distributeur de plateaux (6a, 6b) selon la revendication 1, caractérisé en ce que a manœuvre du moyen de préhension (7) et du support (8) est assurée par des vérins (15,18) pneumatiques chacun associé à une transmission par courroie (13,14,16,17) avec multiplicateur de course.  2. Tray dispenser (6a, 6b) according to claim 1, characterized in that maneuvering the gripping means (7) and the support (8) is provided by pneumatic cylinders (15, 18) each associated with a transmission by belt (13,14,16,17) with stroke multiplier.
3. Distributeur de plateaux (6a, 6b) selon l'une des revendications précédentes, caractérisé en ce que moyen de préhension est une ventouse (19) à dépression commandée.  3. Tray dispenser (6a, 6b) according to one of the preceding claims, characterized in that gripping means is a vacuum suction cup (19) controlled.
PCT/FR2018/000098 2018-04-23 2018-04-23 Tray dispenser WO2019207210A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/FR2018/000098 WO2019207210A1 (en) 2018-04-23 2018-04-23 Tray dispenser

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Application Number Priority Date Filing Date Title
PCT/FR2018/000098 WO2019207210A1 (en) 2018-04-23 2018-04-23 Tray dispenser

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2320590A1 (en) * 1973-04-24 1974-10-31 Fischer Walter Hermann AUTOMATIC FEEDING AND STACKING MACHINE FOR STRIP-SHAPED WORKPIECES
FR2329560A1 (en) * 1975-10-22 1977-05-27 Haemmerle Ag Maschf Hoist and conveyor for metal sheets - has suction head to raise upper workpiece for movement on wheeled carriage
FR2609699A1 (en) * 1987-01-16 1988-07-22 Prima Ind Spa PROCESS FOR REMOVING SHEETS
JPH06285563A (en) * 1993-04-07 1994-10-11 Amada Metrecs Co Ltd Post processing device for press working plate
FR2974573A1 (en) * 2011-04-29 2012-11-02 Sidel Participations TOOL FOR HANDLING AND COMBINING PRODUCTS.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2320590A1 (en) * 1973-04-24 1974-10-31 Fischer Walter Hermann AUTOMATIC FEEDING AND STACKING MACHINE FOR STRIP-SHAPED WORKPIECES
FR2329560A1 (en) * 1975-10-22 1977-05-27 Haemmerle Ag Maschf Hoist and conveyor for metal sheets - has suction head to raise upper workpiece for movement on wheeled carriage
FR2609699A1 (en) * 1987-01-16 1988-07-22 Prima Ind Spa PROCESS FOR REMOVING SHEETS
JPH06285563A (en) * 1993-04-07 1994-10-11 Amada Metrecs Co Ltd Post processing device for press working plate
FR2974573A1 (en) * 2011-04-29 2012-11-02 Sidel Participations TOOL FOR HANDLING AND COMBINING PRODUCTS.

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