EP4061591B1 - Mobile point device for sensing a high-pressure waterjet coming out of a nozzle of a cutting machine - Google Patents

Mobile point device for sensing a high-pressure waterjet coming out of a nozzle of a cutting machine Download PDF

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Publication number
EP4061591B1
EP4061591B1 EP20807420.3A EP20807420A EP4061591B1 EP 4061591 B1 EP4061591 B1 EP 4061591B1 EP 20807420 A EP20807420 A EP 20807420A EP 4061591 B1 EP4061591 B1 EP 4061591B1
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EP
European Patent Office
Prior art keywords
receptacle
nozzle
receiving tank
magnet
driving member
Prior art date
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Application number
EP20807420.3A
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German (de)
French (fr)
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EP4061591A1 (en
Inventor
Philippe Dereims
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Hydroprocess
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Hydroprocess
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/004—Severing by means other than cutting; Apparatus therefor by means of a fluid jet
    • B26F3/008—Energy dissipating devices therefor, e.g. catchers; Supporting beds therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/086—Electric, magnetic, piezoelectric, electro-magnetic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/10—Hand or foot actuated means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/08—Means for actuating the cutting member to effect the cut
    • B26D5/18—Toggle-link means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/0006—Means for guiding the cutter

Definitions

  • the present invention relates to the general field of water jet cutting machines for food products, and more particularly to a device, commonly called by the English term "catcher", capable of capturing the water jet at the outlet of the cut food product. and placed under the nozzle of a water jet cutting machine.
  • water jet cutting machines consisting of a chassis on which are mounted a mobile or non-mobile loading plate in the form of a grid and supporting the food products to be cut are well known. and a movable cutting head constituted by a nozzle and secured either to a carriage moving in a longitudinal or transverse translation movement, or to the free end of an arm pivoting around a vertical axis above said plate ; said carriage or arm being actuated by electric motors or the like.
  • the water jet passes through the product to be cut and is captured by a container, commonly called a "catcher".
  • This catcher is arranged to the right of the nozzle and conventionally extends along the trajectory of the latter so as to be able to capture the water jet leaving the cutting zone of the product to be cut whatever the position of said nozzle.
  • Said catcher advantageously comprises an elongated chute open on the nozzle side, secured to the frame and connected in the lower part to a pump to evacuate the water leaving the cutting zone.
  • the aim of the present invention is therefore to propose a device for capturing a jet of water leaving the cutting zone of an object cut by a water jet cutting machine of simple design, easy to implement and to clean while guaranteeing an optimal result, that is to say a clean cut without excessive humidity of the cut object, the device generating noise whose sound level is not too excessive.
  • the driving and driven members preferably each comprise a magnet so that when the driving member moves at the same time as the nozzle, the magnetic force of attraction of its magnet attracts the magnet of the driven member and causes the movement of the latter and the receptacle - piping assembly.
  • the receptacle is advantageously funnel-shaped.
  • said device comprises a carriage fixed to the receptacle and cooperating with a guide profile fixed horizontally on one of the walls of the receiving tray, so that the receptacle - pipe assembly moves along said guide profile.
  • the carriage preferably includes at least one roller.
  • the wall of the receiving tray and the associated guide profile each have a cross section whose shape is homothetic to that of the trajectory of the nozzle.
  • the guide profile is rectilinear.
  • the guide profile is in the form of an arc.
  • the piping is connected to the bottom of said receiving tank by means of a quick connector which does not require the use of any tools.
  • Said device 10 comprises a receptacle 11 advantageously in the shape of a funnel arranged below and directly above said cutting zone 9 inside the receiving tray 4 of the cutting machine 1, said receptacle 11 being partially connected low to a pipe 12, advantageously flexible, connected to the bottom of said receiving tank 4, by means for example of a quick connector not shown, so as to allow the evacuation of the cutting effluents during the cutting phase and the emptying of the receiving tray 4 when cleaning it. Furthermore, the receptacle 11 - piping 12 assembly is mobile and removable relative to the receiving tray 4.
  • Said device 10 also comprises a carriage 13 fixed to said receptacle 11 advantageously provided with at least one roller 14 and capable of cooperating with a guide profile 15 fixed horizontally on the wall 42 of the receiving tray 4 of the cutting machine 1, of so that the receptacle 11 - pipe 12 assembly moves at least partly along said guide profile 15, the pipe 12 being dimensioned to allow this movement despite its connection to the bottom of said receiving tank 4.
  • the guide profile 15 may , for example, have one or more rails.
  • the guide profile 15 may also not be attached to the wall 42 of the receiving tray 4, but be formed directly in said wall 42 without departing from the scope of the present invention.
  • the wall 42 of the receiving tray 4 of the cutting machine 1 and the associated guide profile 15 each have a cross section whose shape is homothetic to that of the trajectory of the nozzle 5.
  • this trajectory is a straight line then the cross sections of the wall 42 and of the guide profile 15 are straight lines parallel to said trajectory, said guide profile 15 then being rectilinear; if this trajectory is an arc of a circle then the cross sections of the wall 42 and guide profile 15 are arcs of a circle concentric with said trajectory, said guide profile 15 then being in an arc of a circle.
  • the device 10 further comprises drive means 16 comprising a driving member 17 disposed outside the receiving tank 4 and secured to the nozzle 5, c that is to say moving at the same time as the latter and describing a trajectory homothetic to that of said nozzle 5, and a driven member 18 disposed inside the receiving tray 4 and fixed to the receptacle 11 and advantageously to its associated carriage 13.
  • the drive means 16 are such that there is no mechanical connection between the driving member 17 and the driven member 18.
  • This configuration is interesting, because it makes it possible to on the one hand, to arrange the driving and driven members 17,18 on either side of the wall 42 of the receiving tank 4 without having to make orifices passing through said wall 42, which avoids any risk of passage of cutting effluent outside said receiving tray 4 and, on the other hand, rapid dismantling without tools of the receptacle 11 and its piping 12.
  • the driving and driven members 17,18 each comprise a magnet 19,20 so that when the driving member 17 moves at the same time as the nozzle 5, the magnetic force of attraction of its magnet 19 attracts the magnet 20 of the driven member 18 and causes the movement of the latter and therefore of the carriage 13 and of the receptacle 11 - piping 12 assembly along the guide profile 15.
  • This configuration is particularly interesting because not only does it ensure the movement of the receptacle 11 - piping 12 assembly, but it guarantees, in a simple manner thanks to the magnetic force of attraction, the support of said receptacle 11 - piping 12 assembly and its maintenance in support against said profile of guidance 15.
  • one of the driving members 17 or driven 18 comprises a magnet while the other of the driven members 18 or driving 17 comprises a part made of a material attracted by said magnet.
  • the device 10 according to the invention is advantageously integrated into a water jet cutting machine 1 whose nozzle 5 is movable relative to its frame 2.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Description

Domaine technique de l'inventionTechnical field of the invention

La présente invention concerne le domaine général des machines de découpe par jet d'eau de produits alimentaires, et plus particulièrement un dispositif, communément nommé par le terme anglais "catcher", apte à capter le jet d'eau en sortie du produit alimentaire découpé et disposé sous la buse d'une machine de découpe par jet d'eau.The present invention relates to the general field of water jet cutting machines for food products, and more particularly to a device, commonly called by the English term "catcher", capable of capturing the water jet at the outlet of the cut food product. and placed under the nozzle of a water jet cutting machine.

Etat de la techniqueState of the art

Dans le domaine de la découpe de produits alimentaires, on connaît bien des machines de découpe par jet d'eau constituées d'un châssis sur lequel sont montés un plateau de chargement mobile ou non en forme de grille et supportant les produits alimentaires à découper, et une tête de coupe mobile constituée par une buse et solidaire soit d'un chariot se déplaçant selon un mouvement de translation longitudinale ou transversale, soit de l'extrémité libre d'un bras pivotant autour d'un axe vertical au-dessus dudit plateau ; ledit chariot ou bras étant actionné par des moteurs électriques ou analogues. Lors de la découpe, le jet d'eau traverse le produit à découper et est capté par un récipient, communément appelé "catcher". Ce catcher est disposé au droit de la buse et s'étend classiquement le long de la trajectoire de cette dernière de sorte à pouvoir capter le jet d'eau en sortie de la zone de coupe du produit à découper quelle que soit la position de ladite buse. Ledit catcher comporte avantageusement une goulotte allongée ouverte du côté de la buse, solidaire du châssis et raccordée en partie basse à une pompe pour évacuer l'eau en sortie de la zone de coupe.In the field of cutting food products, water jet cutting machines consisting of a chassis on which are mounted a mobile or non-mobile loading plate in the form of a grid and supporting the food products to be cut are well known. and a movable cutting head constituted by a nozzle and secured either to a carriage moving in a longitudinal or transverse translation movement, or to the free end of an arm pivoting around a vertical axis above said plate ; said carriage or arm being actuated by electric motors or the like. During cutting, the water jet passes through the product to be cut and is captured by a container, commonly called a "catcher". This catcher is arranged to the right of the nozzle and conventionally extends along the trajectory of the latter so as to be able to capture the water jet leaving the cutting zone of the product to be cut whatever the position of said nozzle. Said catcher advantageously comprises an elongated chute open on the nozzle side, secured to the frame and connected in the lower part to a pump to evacuate the water leaving the cutting zone.

On connaît également des machines de découpe par jet d'eau telles que celles décrites dans la demande de brevet français FR 2 528 994 , qui divulgue les caractéristiques du préambule de la revendication 1, et la demande de brevet allemand DE 10 2010 019707 .We also know water jet cutting machines such as those described in the French patent application FR 2 528 994 , which discloses the features of the preamble of claim 1, and the German patent application FROM 10 2010 019707 .

Bien que relativement efficaces, ces types de catcher et de machines de découpe par jet d'eau présentent les nombreux inconvénients suivants.Although relatively effective, these types of catcher and waterjet cutting machines have the following numerous disadvantages.

Tout d'abord, les impacts de jets d'eau sous pression et en mouvement contre les surfaces de ce type de catcher génèrent du bruit dont le niveau sonore est tel qu'il rend nécessaire un traitement acoustique de l'équipement.First of all, the impacts of jets of water under pressure and in motion against the surfaces of this type of catcher generate noise whose sound level is such that it makes acoustic treatment of the equipment necessary.

Par ailleurs, ces impacts de jets d'eau provoquent, au niveau de la zone de coupe, un nuage de gouttelettes d'eau et de particules du produit alimentaire découpé qui viennent se loger dans les glissières du plateau de chargement, sur les profils de guidage du chariot et sur les moteurs électriques qui sont le siège de foyers de moisissure et de bactéries ; ce qui nuit considérablement à l'hygiène général de la machine de découpe et nécessite, par conséquent, de fréquents nettoyages de ladite machine et la mise en place d'un dispositif d'aspiration complémentaire afin de limiter l'effet du nuage de gouttelettes d'eau.Furthermore, these impacts of water jets cause, at the level of the cutting zone, a cloud of water droplets and particles of the cut food product which become lodged in the slides of the loading plate, on the profiles of guidance of the carriage and on the electric motors which are the seat of centers of mold and bacteria; which considerably harms the general hygiene of the cutting machine and therefore requires frequent cleaning of said machine and the installation of an additional suction device in order to limit the effect of the cloud of droplets. 'water.

Enfin, on comprend bien que le nettoyage de ce type de catcher en forme de goulotte allongée n'est pas très aisé.Finally, we understand that cleaning this type of catcher in the shape of an elongated chute is not very easy.

Résumé de l'inventionSummary of the invention

Le but de la présente invention est donc de proposer un dispositif pour capter un jet d'eau sortant de la zone de coupe d'un objet coupé par une machine de découpe par jet d'eau de conception simple, facile à mettre en oeuvre et à nettoyer tout en garantissant un résultat optimal, c'est-à-dire une découpe nette sans humidité excessive de l'objet découpé, le dispositif générant du bruit dont le niveau sonore n'est pas trop excessif.The aim of the present invention is therefore to propose a device for capturing a jet of water leaving the cutting zone of an object cut by a water jet cutting machine of simple design, easy to implement and to clean while guaranteeing an optimal result, that is to say a clean cut without excessive humidity of the cut object, the device generating noise whose sound level is not too excessive.

Conformément à l'invention, il est proposé un dispositif intégré à une machine de découpe par jet d'eau munie au moins d'un bac de réception et d'une buse mobile au-dessus dudit bac de réception, ledit dispositif permettant de capter un jet d'eau à haute pression sortant de ladite buse et étant remarquable en ce qu'il comporte au moins :

  • un réceptacle disposé à l'intérieur du bac de réception à l'aplomb de ladite buse, ledit réceptacle étant raccordé en partie basse à une tuyauterie souple raccordée au fond dudit bac de réception, l'ensemble réceptacle - tuyauterie étant mobile et amovible par rapport au bac de réception, et
  • des moyens d'entrainement pour soutenir et mettre en mouvement au moins en partie l'ensemble réceptacle - tuyauterie, comportant un organe entrainant disposé à l'extérieur du bac de réception et solidaire de la buse, et un organe entrainé disposé à l'intérieur du bac de réception et fixé au réceptacle, les moyens d'entrainement étant tels qu'il n'y a pas de liaison mécanique entre l'organe entrainant et l'organe entrainé, au moins l'un des organes entrainant ou entrainé comportant un aimant.
In accordance with the invention, a device is proposed integrated into a water jet cutting machine provided with at least one receiving tray and a movable nozzle above said receiving tray, said device making it possible to capture a jet of high pressure water emerging from said nozzle and being remarkable in that it comprises at least:
  • a receptacle disposed inside the receiving tray directly above said nozzle, said receptacle being connected in the lower part to flexible piping connected to the bottom of said receiving tray, the receptacle - piping assembly being movable and removable in relation to to the receiving tray, and
  • drive means for supporting and setting in motion at least in part the receptacle - piping assembly, comprising a driving member arranged outside the receiving tank and secured to the nozzle, and a driven member arranged inside of the receiving tray and fixed to the receptacle, the driving means being such that there is no mechanical connection between the driving member and the driven member, at least one of the driving or driven members comprising a magnet.

Les organes entraînant et entraîné comportent de préférence chacun un aimant de sorte que lorsque l'organe entraînant se déplace en même temps que la buse, la force magnétique d'attraction de son aimant, attire l'aimant de l'organe entrainé et provoque le déplacement de ce dernier et de l'ensemble réceptacle - tuyauterie.The driving and driven members preferably each comprise a magnet so that when the driving member moves at the same time as the nozzle, the magnetic force of attraction of its magnet attracts the magnet of the driven member and causes the movement of the latter and the receptacle - piping assembly.

Le réceptacle est avantageusement en forme d'entonnoir.The receptacle is advantageously funnel-shaped.

De manière avantageuse, ledit dispositif comporte un chariot fixé au réceptacle et coopérant avec un profil de guidage fixé horizontalement sur l'une des parois du bac de réception, de sorte que l'ensemble réceptacle - tuyauterie se déplace le long dudit profil de guidage.Advantageously, said device comprises a carriage fixed to the receptacle and cooperating with a guide profile fixed horizontally on one of the walls of the receiving tray, so that the receptacle - pipe assembly moves along said guide profile.

Le chariot comporte de préférence au moins un galet.The carriage preferably includes at least one roller.

La paroi du bac de réception et le profil de guidage associé ont chacun une section transversale dont la forme est homothétique à celle de la trajectoire de la buse.The wall of the receiving tray and the associated guide profile each have a cross section whose shape is homothetic to that of the trajectory of the nozzle.

Selon un mode de réalisation, le profil de guidage est rectiligne.According to one embodiment, the guide profile is rectilinear.

Selon un autre mode de réalisation, le profil de guidage est en arc de cercle.According to another embodiment, the guide profile is in the form of an arc.

De manière avantageuse, la tuyauterie est raccordée au fond dudit bac de réception au moyen d'un raccord rapide ne nécessitant l'emploi d'aucun outil.Advantageously, the piping is connected to the bottom of said receiving tank by means of a quick connector which does not require the use of any tools.

Brève description des figuresBrief description of the figures

D'autres avantages et caractéristiques ressortiront mieux de la description qui va suivre d'un mode d'exécution de l'invention, en référence aux figures annexées sur lesquelles :

  • [Fig 1] est une vue en coupe transversale schématique d'un dispositif conforme à l'invention pour capter un jet d'eau sortant de la zone de coupe d'un objet coupé par une machine de découpe par jet d'eau en fonctionnement,
  • [Fig 2] est une vue en coupe transversale schématique du dispositif pour capter un jet d'eau de la figure 1 lors de son extraction pour permettre son nettoyage hors de la machine de découpe.
Other advantages and characteristics will become clearer from the description which follows of a mode of execution of the invention, with reference to the appended figures in which:
  • [ Figure 1 ] is a schematic cross-sectional view of a device according to the invention for capturing a jet of water leaving the cutting zone of an object cut by a water jet cutting machine in operation,
  • [ Figure 2 ] is a schematic cross-sectional view of the device for capturing a jet of water from the figure 1 during its extraction to allow it to be cleaned outside the cutting machine.

Description des modes de réalisationDescription of embodiments

En référence aux figures 1 à 2, on a représenté partiellement, de façon schématique :

  • une machine de découpe 1 par jet d'eau comportant notamment un châssis 2 comprenant notamment un plan de pose 3 horizontal et un bac de réception 4 s'étendant sous ledit plan de pose 3 et comportant au moins une ouverture supérieure 41 et une paroi 42 globalement verticale, et une buse 5 de laquelle est issu un jet d'eau 6 à haute pression, et étant disposée au-dessus dudit plan de pose 3 et mobile selon une trajectoire avantageusement rectiligne ou en arc de cercle au-dessus dudit bac de réception 4, c'est-à-dire que le bac de réception 4 s'étend horizontalement pour couvrir une surface contenant au moins la projection de la trajectoire de ladite buse 5,
  • un objet 7 à découper reposant sur le plan de pose 3 du châssis 2, classiquement par le biais d'une grille 8, et disposé sous la buse 5 et
  • un dispositif 10 pour capter le jet d'eau 6 ou la partie 61 du jet d'eau 6 sortant de la zone de coupe 9 dudit objet 7, communément nommé "catcher".
With reference to figures 1 to 2 , we have partially represented, schematically:
  • a water jet cutting machine 1 comprising in particular a chassis 2 comprising in particular a horizontal laying plane 3 and a receiving tray 4 extending under said laying plane 3 and comprising at least one upper opening 41 and a wall 42 generally vertical, and a nozzle 5 from which comes a jet of water 6 at high pressure, and being arranged above said laying plane 3 and movable along an advantageously rectilinear or arcuate trajectory above said receiving tray 4, that is to say that the receiving tray 4 extends horizontally to cover a surface containing at least the projection of the trajectory of said nozzle 5,
  • an object 7 to be cut resting on the laying plane 3 of the chassis 2, conventionally by means of a grid 8, and placed under the nozzle 5 and
  • a device 10 for capturing the water jet 6 or the part 61 of the water jet 6 leaving the cutting zone 9 of said object 7, commonly called "catcher".

Ledit dispositif 10 comporte un réceptacle 11 avantageusement en forme d'entonnoir disposé en dessous et à l'aplomb de ladite zone de coupe 9 à l'intérieur du bac de réception 4 de la machine de découpe 1, ledit réceptacle 11 étant raccordé en partie basse à une tuyauterie 12, avantageusement souple, raccordée au fond dudit bac de réception 4, au moyen par exemple d'un raccord rapide non représenté, de sorte à permettre l'évacuation des effluents de coupe durant la phase de coupe et la vidange du bac de réception 4 au moment de son nettoyage. Par ailleurs, l'ensemble réceptacle 11 - tuyauterie 12 est mobile et amovible par rapport au bac de réception 4.Said device 10 comprises a receptacle 11 advantageously in the shape of a funnel arranged below and directly above said cutting zone 9 inside the receiving tray 4 of the cutting machine 1, said receptacle 11 being partially connected low to a pipe 12, advantageously flexible, connected to the bottom of said receiving tank 4, by means for example of a quick connector not shown, so as to allow the evacuation of the cutting effluents during the cutting phase and the emptying of the receiving tray 4 when cleaning it. Furthermore, the receptacle 11 - piping 12 assembly is mobile and removable relative to the receiving tray 4.

Ledit dispositif 10 comporte également un chariot 13 fixé audit réceptacle 11 muni avantageusement d'au moins un galet 14 et apte à coopérer avec un profil de guidage 15 fixé horizontalement sur la paroi 42 du bac de réception 4 de la machine de découpe 1, de sorte que l'ensemble réceptacle 11 - tuyauterie 12 se déplace au moins en partie le long dudit profil de guidage 15, la tuyauterie 12 étant dimensionnée pour permettre ce déplacement malgré son raccordement au fond dudit bac de réception 4. Le profil de guidage 15 pourra, par exemple, comporter un ou plusieurs rails. Le profil de guidage 15 pourra également ne pas être rapporté sur la paroi 42 du bac de réception 4, mais être formé directement dans ladite paroi 42 sans sortir du cadre de la présente invention.Said device 10 also comprises a carriage 13 fixed to said receptacle 11 advantageously provided with at least one roller 14 and capable of cooperating with a guide profile 15 fixed horizontally on the wall 42 of the receiving tray 4 of the cutting machine 1, of so that the receptacle 11 - pipe 12 assembly moves at least partly along said guide profile 15, the pipe 12 being dimensioned to allow this movement despite its connection to the bottom of said receiving tank 4. The guide profile 15 may , for example, have one or more rails. The guide profile 15 may also not be attached to the wall 42 of the receiving tray 4, but be formed directly in said wall 42 without departing from the scope of the present invention.

De manière avantageuse, la paroi 42 du bac de réception 4 de la machine de découpe 1 et le profil de guidage 15 associé ont chacun une section transversale dont la forme est homothétique à celle de la trajectoire de la buse 5. Ainsi, si cette trajectoire est une droite alors les sections transversales des paroi 42 et du profil de guidage 15 sont des droites parallèles à ladite trajectoire, ledit profil de guidage 15 étant alors rectiligne ; si cette trajectoire est un arc de cercle alors les sections transversales des paroi 42 et du profil de guidage 15 sont des arcs de cercle concentriques à ladite trajectoire, ledit profil de guidage 15 étant alors en arc de cercle.Advantageously, the wall 42 of the receiving tray 4 of the cutting machine 1 and the associated guide profile 15 each have a cross section whose shape is homothetic to that of the trajectory of the nozzle 5. Thus, if this trajectory is a straight line then the cross sections of the wall 42 and of the guide profile 15 are straight lines parallel to said trajectory, said guide profile 15 then being rectilinear; if this trajectory is an arc of a circle then the cross sections of the wall 42 and guide profile 15 are arcs of a circle concentric with said trajectory, said guide profile 15 then being in an arc of a circle.

Pour mettre en mouvement et soutenir l'ensemble réceptacle 11 - tuyauterie 12, le dispositif 10 comporte en outre des moyens d'entrainement 16 comportant un organe entrainant 17 disposé à l'extérieur du bac de réception 4 et solidaire de la buse 5, c'est-à-dire se déplaçant en même temps que cette dernière et en décrivant une trajectoire homothétique à celle de ladite buse 5, et un organe entrainé 18 disposé à l'intérieur du bac de réception 4 et fixé au réceptacle 11 et avantageusement à son chariot 13 associé.To set in motion and support the receptacle 11 - piping 12 assembly, the device 10 further comprises drive means 16 comprising a driving member 17 disposed outside the receiving tank 4 and secured to the nozzle 5, c that is to say moving at the same time as the latter and describing a trajectory homothetic to that of said nozzle 5, and a driven member 18 disposed inside the receiving tray 4 and fixed to the receptacle 11 and advantageously to its associated carriage 13.

Selon un mode de réalisation préféré, les moyens d'entrainement 16 sont tels qu'il n'y a pas de liaison mécanique entre l'organe entrainant 17 et l'organe entrainé 18. Cette configuration est intéressante, car elle permet, d'une part, de disposer les organes entrainant et entrainé 17,18 de part et d'autre de la paroi 42 du bac de réception 4 sans avoir à réaliser des orifices traversant ladite paroi 42, ce qui évite tout risque de passage des effluents de coupes à l'extérieur dudit bac de réception 4 et, d'autre part, un démontage rapide et sans outils du réceptacle 11 et de sa tuyauterie 12.According to a preferred embodiment, the drive means 16 are such that there is no mechanical connection between the driving member 17 and the driven member 18. This configuration is interesting, because it makes it possible to on the one hand, to arrange the driving and driven members 17,18 on either side of the wall 42 of the receiving tank 4 without having to make orifices passing through said wall 42, which avoids any risk of passage of cutting effluent outside said receiving tray 4 and, on the other hand, rapid dismantling without tools of the receptacle 11 and its piping 12.

Selon un mode de réalisation encore plus préféré, les organes entrainant et entrainé 17,18 comportent chacun un aimant 19,20 de sorte que lorsque l'organe entrainant 17 se déplace en même temps que la buse 5, la force magnétique d'attraction de son aimant 19 attire l'aimant 20 de l'organe entrainé 18 et provoque le déplacement de ce dernier et donc du chariot 13 et de l'ensemble réceptacle 11 - tuyauterie 12 le long du profil de guidage 15. Cette configuration est particulièrement intéressante car non seulement elle assure le déplacement de l'ensemble réceptacle 11 - tuyauterie 12, mais elle garantit, de façon simple grâce à la force magnétique d'attraction, le soutien dudit ensemble réceptacle 11 - tuyauterie 12 et son maintien en appui contre ledit profil de guidage 15.According to an even more preferred embodiment, the driving and driven members 17,18 each comprise a magnet 19,20 so that when the driving member 17 moves at the same time as the nozzle 5, the magnetic force of attraction of its magnet 19 attracts the magnet 20 of the driven member 18 and causes the movement of the latter and therefore of the carriage 13 and of the receptacle 11 - piping 12 assembly along the guide profile 15. This configuration is particularly interesting because not only does it ensure the movement of the receptacle 11 - piping 12 assembly, but it guarantees, in a simple manner thanks to the magnetic force of attraction, the support of said receptacle 11 - piping 12 assembly and its maintenance in support against said profile of guidance 15.

Toutefois, selon un mode de réalisation non représenté, l'un des organes entrainant 17 ou entrainé 18 comporte un aimant alors que l'autre des organes entrainé 18 ou entrainant 17 comporte une pièce réalisé dans un matériau attiré par ledit aimant.However, according to an embodiment not shown, one of the driving members 17 or driven 18 comprises a magnet while the other of the driven members 18 or driving 17 comprises a part made of a material attracted by said magnet.

On comprend bien qu'avec la force magnétique d'attraction, il y aura probablement un léger décalage entre l'organe entrainant 17 et l'organe entrainé 18, ce dernier étant en retard par rapport audit organe entrainant 17. Toutefois, ce décalage est un avantage pour capter efficacement le jet d'eau, car la partie 61 du jet d'eau 6 sortant de la zone de coupe 9 de l'objet 7 découpé est également décalé par rapport à l'aplomb de la buse 5.It is well understood that with the magnetic force of attraction, there will probably be a slight offset between the driving member 17 and the driven member 18, the latter being behind said driving member 17. However, this offset is an advantage for effectively capturing the water jet, because the part 61 of the water jet 6 leaving the zone cutting 9 of the cut object 7 is also offset relative to the plumb of the nozzle 5.

Par ailleurs, on comprend bien que le déplacement de l'ensemble réceptacle 11 - tuyauterie 12 en même temps que la buse 5 permet de réduire considérablement les dimensions dudit réceptacle 11.Furthermore, it is clearly understood that moving the receptacle 11 - piping 12 assembly at the same time as the nozzle 5 makes it possible to considerably reduce the dimensions of said receptacle 11.

Ainsi configuré, on comprend bien que le dispositif 10 selon l'invention possède les nombreux avantages suivants :

  • réduction du niveau sonore du bruit généré par les impacts de jets d'eau 6 sous pression et en mouvement contre les surfaces du réceptacle 11, car ce dernier est de dimensions réduites et les surfaces de diffusion du bruit généré le sont également,
  • plaquage de l'objet 7 à découper sur la grille 8 et entraînement des effluents de découpe obtenu de façon naturelle (sans ventilateur d'extraction) par effet venturi grâce au réceptacle 11 en forme d'entonnoir,
  • absence de nettoyage d'un ventilateur d'extraction puisque, comme évoqué ci-dessus, cet équipement n'est plus nécessaire,
  • simplicité du système d'entraînement, pas besoin de moteurs supplémentaires ni de câblages associés,
  • excellente nettoyabilité du dispositif 10 car sa configuration permet d'isoler l'organe entrainant 18 des moyens d'entrainement 16 à l'intérieur du châssis 2 à l'extérieur de la zone interne du bac de réception 4, sans aucun organe mécanique ni câblage apparent dans cette zone,
  • extraction simple et rapide à l'extérieur du bac de réception 4 de la machine de découpe 1 de l'ensemble réceptacle 11 - tuyauterie 12 pour son nettoyage hors machine en exerçant juste une action manuelle pour lutter contre la force magnétique d'attraction de l'aimant 19 de l'organe entrainant 18 des moyens d'entrainement 16 (Cf. figure 2),
  • remise en place facile, sans outil et sûre, à l'intérieur du bac de réception 4 de machine de découpe 1 de l'ensemble réceptacle 11 - tuyauterie 12, juste en amenant ledit ensemble réceptacle 11 - tuyauterie 12 au contact du profil de guidage 15, en le déplaçant jusqu'à le positionner à l'aplomb de la buse 5 et enfin en reconnectant la tuyauterie 12 au fond dudit bac de réception 4,
  • nettoyage aisé du bac de réception 4 de machine de découpe 1 après l'extraction de l'ensemble réceptacle 11 - tuyauterie 12.
Thus configured, it is clearly understood that the device 10 according to the invention has the following numerous advantages:
  • reduction of the sound level of the noise generated by the impacts of water jets 6 under pressure and in movement against the surfaces of the receptacle 11, because the latter is of reduced dimensions and the diffusion surfaces of the noise generated are also small,
  • plating of the object 7 to be cut on the grid 8 and entrainment of the cutting effluents obtained naturally (without an extraction fan) by venturi effect thanks to the receptacle 11 in the shape of a funnel,
  • absence of cleaning of an extraction fan since, as mentioned above, this equipment is no longer necessary,
  • simplicity of the drive system, no need for additional motors or associated wiring,
  • excellent cleanability of the device 10 because its configuration makes it possible to isolate the driving member 18 from the driving means 16 inside the chassis 2 outside the internal zone of the receiving tray 4, without any mechanical member or wiring apparent in this area,
  • simple and rapid extraction outside the receiving tray 4 of the cutting machine 1 of the receptacle assembly 11 - piping 12 for its cleaning outside the machine by just exercising a manual action to combat the magnetic force of attraction of the the magnet 19 of the driving member 18 of the driving means 16 (Cf. figure 2 ),
  • easy, tool-free and safe replacement, inside the receiving tray 4 of the cutting machine 1 of the receptacle 11 - piping 12 assembly, just by bringing said receptacle 11 - piping 12 assembly into contact with the guide profile 15, by moving it until it is positioned directly above the nozzle 5 and finally by reconnecting the pipework 12 at the bottom of said receiving tank 4,
  • easy cleaning of the receiving tray 4 of the cutting machine 1 after extracting the receptacle 11 - piping 12 assembly.

De même, le dispositif 10 selon l'invention est avantageusement intégré à une machine de découpe 1 par jet d'eau dont la buse 5 est mobile par rapport à son châssis 2.Likewise, the device 10 according to the invention is advantageously integrated into a water jet cutting machine 1 whose nozzle 5 is movable relative to its frame 2.

Enfin, il va de soi que les exemples de dispositif 10 conformes à l'invention qui viennent d'être décrits ne sont que des illustrations particulières, en aucun cas limitatives de l'invention.Finally, it goes without saying that the examples of devices 10 conforming to the invention which have just been described are only particular illustrations, in no way limiting the invention.

Claims (10)

  1. Device (10) integrated into a waterjet cutting machine (1) provided with at least one receiving tank (4) and a nozzle (5) movable above said receiving tank (4), said device (10) being capable of catching a highpressure water jet (6) coming from said nozzle (5) and being characterised in that it includes at least:
    - a receptacle (11) arranged inside the receiving tank (4) in line with said nozzle (5), the lower portion of said receptacle (11) being connected to a flexible pipe assembly (12) connected to the bottom of said receiving tank (4), the receptacle (11)/pipe (12) assembly being mobile and detachable from the receiving tank (4) and
    - drive means (16) for supporting and moving at least part of the receptacle (11)/pipe (12) assembly including a driving member (17) arranged outside the receiving tank (4) and connected to the nozzle (5), and a driven member (18) arranged inside the receiving tank (4) and fixed to the receptacle (11), the drive means (16) being such that there is no mechanical connection between the driving member (17) and the driven member (18), at least one of the driving member (17) or driven member (18) including a magnet.
  2. Device (10) according to claim 1 characterised in that the driving member and driven member (17, 18) each include a magnet (19, 20) such that when the driving member (17) moves at the same time as the nozzle (5) the magnetic force of attraction of its magnet (19) attracts the magnet (20) of the driven member (18) and causes the displacement of the latter and of the receptacle (11)/ pipe (12) assembly.
  3. Device (10) according to claim 1, characterised in that one of the driving member (17) or driven member (18) includes a magnet while the other driven member (18) or driving member (17) includes a part made from a material that is attracted by said magnet.
  4. Device (10) according to any one of claims 1 to 3, characterised in that the receptacle (11) is in the form of a funnel.
  5. Device (10) according to any one of claims 1 to 4, characterised in that it includes a carriage (13) fixed to the receptacle (11) and cooperating with a guide profile (15) fixed horizontally to one of the walls (42) of the receiving tank (4), such that the receptacle (11)/pipe (12) assembly moves along said guide profile (15).
  6. Device (10) according to claim 5, characterised in that the carriage (13) includes at least one roller (14).
  7. Device (10) according to any one of claims 5 or 6, characterised in that the wall (42) of the receiving tank (4) and the associated guide profile (15) each have a cross-section with a homothetic shape to that of the nozzle trajectory (5).
  8. Device (10) according to claim 7, characterised in that the guide profile (15) is straight.
  9. Device (10) according to claim 7, characterised in that the guide profile (15) is arcuate.
  10. Device (10) according to any one of claims 1 to 9, characterised in that the pipe assembly (12) is connected to the base of said receiving tank (4) by means of a quick-connect coupling that does not require any tools.
EP20807420.3A 2019-11-22 2020-11-19 Mobile point device for sensing a high-pressure waterjet coming out of a nozzle of a cutting machine Active EP4061591B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1913073A FR3103405B1 (en) 2019-11-22 2019-11-22 MOBILE POINT DEVICE FOR CAPTURING A HIGH PRESSURE WATER JET COMING FROM A NOZZLE OF A CUTTING MACHINE
PCT/EP2020/082740 WO2021099496A1 (en) 2019-11-22 2020-11-19 Mobile point device for sensing a high-pressure waterjet coming out of a nozzle of a cutting machine

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EP4061591A1 EP4061591A1 (en) 2022-09-28
EP4061591B1 true EP4061591B1 (en) 2024-01-03

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EP20807420.3A Active EP4061591B1 (en) 2019-11-22 2020-11-19 Mobile point device for sensing a high-pressure waterjet coming out of a nozzle of a cutting machine

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US (1) US11745380B2 (en)
EP (1) EP4061591B1 (en)
CN (1) CN114728434A (en)
CA (1) CA3157011A1 (en)
DK (1) DK4061591T3 (en)
ES (1) ES2975285T3 (en)
FI (1) FI4061591T3 (en)
FR (1) FR3103405B1 (en)
WO (1) WO2021099496A1 (en)

Citations (1)

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FR2713130A1 (en) * 1993-12-06 1995-06-09 Isin Cutting machine with support device for the material being cut, especially for cutting by water jet.

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FR2649925B1 (en) * 1989-07-18 1993-12-10 Aerospatiale Ste Nationale Indle CUTTING JET RECEPTACLE FOR A FLUID JET CUTTING MACHINE
US5782673A (en) * 1996-08-27 1998-07-21 Warehime; Kevin S. Fluid jet cutting and shaping system and method of using
DE50306672D1 (en) * 2003-10-09 2007-04-12 Bystronic Laser Ag Machine tool and method for machining workpieces by means of water jet
WO2007028402A1 (en) * 2005-09-06 2007-03-15 Trumpf Werkzeugmaschinen Gmbh + Co. Kg Jet trapping device for a cutting machine
FR2956057B1 (en) * 2010-02-10 2012-01-27 Snecma CUTTING PREFORMS BEFORE INJECTION RTM BY WATER JET AND CRYOGENIZATION
DE102010019707A1 (en) * 2010-05-07 2011-11-10 Bayerische Motoren Werke Aktiengesellschaft Liquid beam cutting device for abrasive water beam, has cylindrically-shaped interception roller movably mounted about housing-fixed rotating axis and rotatably and oscillatingly driven in axial direction
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DE102012013298A1 (en) * 2012-07-04 2014-01-09 AQU Gesellschaft für Arbeitsschutz, Qualität und Umwelt mbH Generating slurry of agricultural products and food products, preferably beta beets with high pressure water jets, comprises nullifying limits of dimensions of cutting container determined by penetration depth of high-pressure water jets
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EP4061591A1 (en) 2022-09-28
US20220371217A1 (en) 2022-11-24
CA3157011A1 (en) 2021-05-27
JP2023502331A (en) 2023-01-24
DK4061591T3 (en) 2024-03-25
FR3103405A1 (en) 2021-05-28
CN114728434A (en) 2022-07-08
WO2021099496A1 (en) 2021-05-27
FI4061591T3 (en) 2024-03-27
AU2020389052A1 (en) 2022-07-14
ES2975285T3 (en) 2024-07-04
FR3103405B1 (en) 2022-08-19
US11745380B2 (en) 2023-09-05

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