EP3924286B1 - Dispositif pour commander la fonction d'un dispositif de levage sous vide et dispositif de levage sous vide comprenant un tel dispositif de commande - Google Patents

Dispositif pour commander la fonction d'un dispositif de levage sous vide et dispositif de levage sous vide comprenant un tel dispositif de commande Download PDF

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Publication number
EP3924286B1
EP3924286B1 EP20704502.2A EP20704502A EP3924286B1 EP 3924286 B1 EP3924286 B1 EP 3924286B1 EP 20704502 A EP20704502 A EP 20704502A EP 3924286 B1 EP3924286 B1 EP 3924286B1
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EP
European Patent Office
Prior art keywords
lifting device
vacuum lifting
valve
suction
manifold
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EP20704502.2A
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German (de)
English (en)
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EP3924286A1 (fr
Inventor
Christopher Jost
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FIPA Holding GmbH
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FIPA Holding GmbH
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0256—Operating and control devices

Definitions

  • the present invention relates generally, in particular to gripping systems based on vacuum technology, for the dynamic handling of objects.
  • the invention relates in particular to vacuum lifting devices and corresponding devices for controlling the function of vacuum lifting devices.
  • Vacuum lifting devices are required to lift and hold objects (workpieces) with the help of vacuum.
  • the lifting process is made possible by a variable-length suction hose, for example a spiral hose, which is also sometimes referred to as a "lifting hose".
  • a load handling device is attached to the end of the variable-length suction hose, which mainly works with vacuum, but can also be mechanical.
  • the air contained in the vacuum suction cup and lifting hose is evacuated, the lifting hose contracts like an accordion so that the workpiece adheres to the vacuum suction cup and can finally be lifted. If the vacuum drops, the load is lowered again.
  • the vacuum is generated either by a side channel compressor, a vacuum pump or a multi-chamber ejector (Venturi nozzle).
  • the tube lifter is controlled manually using a control panel that is attached to the lower end of the tube lifter. With this, the suction, lifting, lowering and subsequent release of the load can be controlled with one hand.
  • the present invention is based on the object of specifying a solution with which a vacuum lifting device can be operated in a particularly ergonomic manner, with a compact construction of the vacuum lifting device being desired in particular.
  • the invention relates in particular to a device for controlling the function of a vacuum lifting device, the device having a distributor block, in particular in the form of a socket, with a first connection and a second connection, with a first flow channel being formed in the distributor block, via which with the aid of a first valve device if necessary, the first connection can be fluidly connected to the second connection. Provision is also made for a second flow channel to be formed in the distributor block, via which the first connection can be flow-connected to the outside atmosphere with the aid of a second valve device, if required. In addition, it is provided according to the invention that a further, third flow channel is formed in the distributor block, via which the second connection can be flow-connected to the outside atmosphere with the aid of a third valve device, if required.
  • the present invention relates in particular to a compact and modular design of the controller for a vacuum lifting device, with all the necessary functions of the vacuum lifting device being able to be controlled, initiated or initiated with this controller.
  • the invention is characterized in particular by the fact that the distributor block has a socket-shaped body, which allows for a modular design and which in turn also enables short control channels, so that the response behavior and in particular the response time of the corresponding valve devices of the distributor block are optimized.
  • the particularly socket-shaped and modular design of the distributor block also guarantees an even weight distribution, which proves to be an advantage when handling the vacuum lifting device manually.
  • the modular design of the distributor block allows it to be used for different vacuum lifting devices.
  • the distributor block has, at least in regions, an essentially tubular or socket-shaped body and is designed at least essentially rotationally symmetrically.
  • the first connection is formed on a first end face and the second connection is formed on an opposite, second end face of the body, which is essentially tubular or socket-shaped, at least in some areas.
  • the essentially tubular or socket-shaped body preferably has an outside diameter which corresponds at least essentially to the inside diameter of the variable-length suction hose of the vacuum lifting device. In this way, it is possible for the entire distributor block to be integrated within the variable-length suction hose. This leads to a particularly compact, low-maintenance and operationally reliable vacuum lifting device, since all valve devices are effectively protected against external influences (dirt, moisture, etc.).
  • the distributor block has a first connection area pointing or protruding radially from the distributor block for preferably detachably connecting the first valve device, a second connection area pointing or protruding radially from the distributor block for preferably detachably connecting the second valve device, and a third connection area pointing or protruding radially from the distributor block preferably detachable connections the third valve device.
  • the corresponding connection areas are preferably distributed evenly on the lateral surface of the distributor block in order to enable an even distribution of weight.
  • the first, second and third valve devices each have at least one valve, in particular a throttle valve, this at least one valve preferably being an electromotive valve with a valve drive or an electromagnetically actuated valve.
  • the valve devices can be actuated particularly precisely and without mechanical effort, which enables ergonomic and smooth lifting and moving of loads such as cardboard boxes, sacks, wooden and plastic panels, sheet metal or panes of glass in a wide variety of industries. Lifting and sucking is done in the simplest way in one go, resulting in a pleasant working rhythm.
  • the first flow channel which if necessary connects the first connection to the second connection in terms of flow, runs at least in regions along the longitudinal axis of the distributor block, the first flow channel being able to be interrupted in terms of flow if necessary, specifically with the aid of a preferably perpendicular or at least essentially perpendicular partition wall running to the longitudinal axis of the distributor block and with the aid of the first valve device cooperating with this partition wall. It can be provided that in a state in which a flow connection between the first and the second connection is separated by the first valve device with the cooperating partition wall, the first flow channel is divided into a first area and a second area separated therefrom.
  • the second valve device is designed to create a flow connection between the first region and the outside atmosphere, if necessary, with the third valve device being designed to create a flow connection between the second region and the outside atmosphere, if necessary.
  • the invention not only relates to a control device of the type mentioned above, but also to a vacuum lifting device with a distributor block, in particular in the form of a socket, of the type mentioned above.
  • the vacuum lifting device has a suction line which extends between a vacuum connection and an orifice.
  • the vacuum lifting device can have a mechanical load-carrying device, it is preferred if a suction device, in particular in the form of a suction cup, is used as the load-carrying device, with this suction device being used for sealing contact with the surfaces of the goods being transported.
  • the vacuum lifting device has a variable-length suction hose, which delimits the suction line at least in regions between the suction means and the vacuum connection.
  • the load-carrying means which is preferably used as a suction means, is preferably detachably attached to the suction line in a remote area of the variable-length suction hose and delimits the mouth opening.
  • the distributor block of the vacuum lifting device in particular in the form of a socket, is used in particular to set a negative pressure in the suction hose, to influence a free flow cross section of the suction line in a line section between the suction hose and the orifice opening and/or to set a negative pressure in a line section between the remote area of the suction hose and the orifice.
  • the distributor block is completely accommodated in the suction hose at the remote area of the suction hose. It makes sense here if the suction line is formed in some areas by the first flow channel of the distributor block.
  • an operating device in particular in the form of a pistol grip, is also provided between the suction means and the remote area of the suction hose.
  • the suction means is pivotably attached to the operating device via a coupling, preferably detachably or interchangeably.
  • the operating device preferably has corresponding electrical switches or buttons, such as membrane switches or membrane buttons to be able to control the first, second and third valve device accordingly.
  • the electrical switches or buttons are each connected to the corresponding valve devices via an electrical line, with the electrical lines preferably being integrated or accommodated at least in regions in the wall of the suction line.
  • the electrical switches or buttons of the operating device can be operated remotely, in particular via a wireless remote control.
  • the operating device has at least one display or display for showing information relevant to the operation of the vacuum lifting device, such as the weight of an object held by the vacuum lifting device, the height between the suction means and the floor , or the position and/or movement data of the vacuum lifting device.
  • the present invention relates to a system with a first vacuum lifting device of the aforementioned type and optionally with a crane system, via which the vacuum lifting device can be positioned at different positions. It is also provided that the system has at least one additional, second vacuum lifting device, in particular an additional, second vacuum lifting device of the aforementioned type, the first and at least one second vacuum lifting device being connected to one another via a data transmission channel for data transmission.
  • the system according to the invention provides that the first and at least one second vacuum lifting device are designed to communicate and/or exchange data according to the master/slave principle, with the first vacuum lifting device being designed, for example, to operate the second Synchronize the vacuum lifter with the operation of the first vacuum lifter.
  • the operator of the system can thus preferably manually control the first vacuum lifting device via the operating device of the first vacuum lifting device by controlling the first, second and/or third valve device of the first vacuum lifting device.
  • the at least one further, second vacuum lifting device is controlled preferably automatically and even more preferably optionally automatically, in particular synchronously with the first vacuum lifting device.
  • control device 1 serves to control the function of a vacuum lifting device.
  • Such a vacuum lifter includes a suction line 102 extending between a vacuum port and an orifice. Furthermore, the vacuum lifting device has a load-carrying means, which works mainly with a vacuum and can be designed as a suction means, in particular in the form of a suction cup, although mechanical load-carrying means are also fundamentally conceivable.
  • the load-carrying means designed in particular as a suction means 101, is used for sealing contact with the surfaces of the goods being transported.
  • the vacuum lifting device has a variable-length suction hose 100, which delimits the suction line 102 at least in regions between the load-receiving means 101, designed in particular as suction means 101, and the vacuum connection.
  • the load handling device 101 designed in particular as a suction device, is preferably detachably attached to the suction line 102 in an end region of the variable-length suction hose 100 and delimits the mouth opening, particularly when the load handling device 101 is designed as a suction device.
  • the control device is used to set a negative pressure in suction hose 100, to influence a free flow cross section of suction line 102 in a line section between suction hose 100 and the orifice and/or to set a negative pressure in a line section between the end region of suction hose 100 and the orifice 1 with the nozzle-shaped distributor block 2 in particular.
  • the distributor block 2 is designed in particular in the form of a socket and has a first connection 3 and a second connection 4 .
  • a first flow channel 6 is formed in the distributor block 2, via which the first connection 3 flows with the aid of a first valve device 12, if necessary the second connection 4 can be connected.
  • a second flow channel 7 is formed in the distributor block 2, via which the first connection 3 can be flow-connected to the outside atmosphere 50 with the aid of a second valve device 13, if required.
  • a third flow channel 8 is formed in the distributor block 2, via which the second connection 4 can be flow-connected to the outside atmosphere 50 with the aid of a third valve device 14, if required.
  • the distributor block 2 has at least in some areas a substantially tubular or socket-shaped body and is at least substantially rotationally symmetrical.
  • the first connection 3 is formed on a first end face and the second connection 4 is formed on an opposite, second end face of the essentially tubular or socket-shaped body.
  • the distributor block 2 has a first connection area 9 pointing or protruding radially from the distributor block 2 for the preferably detachable connection of the first valve device 12, a second connection area 10 pointing or protruding radially from the distributor block 2 for the preferably detachable connection of the second valve device 13 and a radially from the Distribution block 2 pointing or protruding third connection area 11 for preferably detachable connection of the third valve device 14.
  • the first, second and third valve devices 12, 13, 14 each have at least one valve, in particular a throttle valve, the at least one valve preferably being an electromotive valve with a valve drive or an electromagnetic valve.
  • the first flow channel 6 which if necessary connects the first connection 3 to the second connection 4 in terms of flow, runs at least in regions along the longitudinal axis of the distributor block 2.
  • This first flow channel 6 can be interrupted in terms of flow, if necessary, with the aid of a preferably vertical or at least substantially perpendicular to the longitudinal axis of the distributor block 2 extending partition 15 and with the help of the partition 15 interacting with the first valve device 12.
  • the first flow channel 6 is divided into a first area 16 and a second area 17 separated therefrom.
  • the second valve device 13 is designed to create a flow connection between the first region 16 and the outside atmosphere 50, if necessary, with the third valve device 14 being designed to create a flow connection between the second region 17 and the atmosphere, if necessary To produce external atmosphere 50.
  • the distributor block 2 is designed as a monolithic component, in particular made of metal or preferably made of plastic.
  • the distributor block 2 is preferably completely accommodated in the suction hose 100 at the end region of a suction hose 100 of the vacuum lifting device, the suction line 102 of the vacuum lifting device being formed at least in regions by the first flow channel of the distributor block 2 .
  • the distributor block 2 with the valve devices 12, 13, 14 serves to set a negative pressure in the suction hose 100, to set a free flow cross section of the suction line 102 in a line section between the suction hose 100 and the orifice of the suction means and/or to set a negative pressure in a line section between the end area of the suction hose 100 and the mouth opening.
  • the vacuum lifting device which is not shown as such in the drawings, preferably has an operating device, in particular in the form of a type of pistol grip, between the suction means 101 and the end region of the suction hose 100, with the suction means 101 preferably being pivotable in the operating device via a coupling is attached in particular detachably or interchangeably.
  • the operating device has corresponding electrical switches or buttons, in particular membrane switches or membrane buttons, in order to be able to control the first, second and third valve device.
  • the electrical switches or buttons are each connected via an electrical line to the corresponding valve devices, with the electrical lines preferably being integrated or accommodated at least in regions of the wall of the suction line 102 .
  • the electrical switches or buttons of the operating device can be operated remotely, in particular partially remotely operated, for example via a wireless remote control.
  • the operating device has at least one display or display in order to show the operator information relevant to the operation of the vacuum lifting device.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manipulator (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Claims (14)

  1. Dispositif (1) pour commander le fonctionnement d'un dispositif de levage sous vide, le dispositif (1) comprenant un bloc de distribution (2) en particulier en forme de tubulure ayant un premier raccord (3) et un deuxième raccord (4), un premier canal d'écoulement (6) étant formé dans le bloc de distribution (2) et permettant de relier fluidiquement, selon les besoins, le premier raccord (3) au deuxième raccord (4) à l'aide d'un premier organe de vanne (12), un deuxième canal d'écoulement (7) étant formé dans le bloc de distribution (2) et permettant de relier fluidiquement, selon les besoins, le premier raccord (3) à l'atmosphère extérieure (50) à l'aide d'un deuxième organe de vanne (13), et un troisième canal d'écoulement (8) état formé dans le bloc de distribution (2) et permettant de relier fluidiquement, selon les besoins, le deuxième raccord (4) à l'atmosphère extérieure (50), à l'aide d'un troisième organe de vanne (14), caractérisé en ce que
    le bloc de distribution (2) présente une première zone de raccordement (9) partant ou dépassant radialement du bloc de distribution (2) pour raccorder le premier organe de vanne (12) de préférence de manière amovible, une deuxième zone de raccordement (10) partant ou dépassant radialement du bloc de distribution (2) pour raccorder le deuxième organe de vanne (13) de préférence de manière amovible, et une troisième zone de raccordement (11) partant ou dépassant radialement du bloc de distribution (2) pour raccorder le troisième organe de vanne (14) de préférence de manière amovible.
  2. Dispositif (1) selon la revendication 1,
    dans lequel le bloc de distribution (2) présente au moins localement un corps sensiblement en forme de tube ou de tubulure et est réalisé au moins sensiblement à symétrie de révolution, le premier raccord (3) étant réalisé sur une première face frontale et le deuxième raccord (4) étant réalisé sur une deuxième face frontale opposée du corps au moins localement sensiblement en forme de tube ou de tubulure.
  3. Dispositif (1) selon la revendication 1 ou 2,
    dans lequel les premier, deuxième et troisième organes de vanne (12, 13, 14) présentent chacun au moins une vanne, en particulier une vanne d'étranglement, ladite au moins une vanne étant de préférence une vanne électromotrice à actionneur de vanne ou une vanne à commande électromagnétique.
  4. Dispositif (1) selon l'une des revendications 1 à 3,
    dans lequel le premier canal d'écoulement (6) reliant fluidiquement, selon les besoins, le premier raccord (3) au deuxième raccord (4) s'étend au moins localement le long de l'axe longitudinal du bloc de distribution (2) et peut être interrompu fluidiquement, selon les besoins, par une cloison de séparation (15) s'étendant de préférence perpendiculairement ou au moins sensiblement perpendiculairement à l'axe longitudinal du bloc de distribution (2) et par le premier organe de vanne (12) coopérant avec la cloison de séparation (15),
    dans un état où une communication fluidique entre le premier et le deuxième raccord (4) est coupée par le premier organe de vanne (12) en coopération avec la cloison de séparation (15), le premier canal d'écoulement (6) est subdivisé en une première zone (16) et une deuxième zone (17) séparée de la première,
    de préférence, le deuxième organe de vanne (13) est conçu pour établir, selon les besoins, une communication fluidique entre la première zone (16) et l'atmosphère extérieure (50), et
    de préférence, le troisième organe de vanne (14) est conçu pour établir, selon les besoins, une communication fluidique entre la deuxième zone (17) et l'atmosphère extérieure (50).
  5. Dispositif (1) selon l'une des revendications 1 à 4,
    dans lequel le bloc de distribution (2) est réalisé sous forme de composant monolithique, en particulier en métal ou en matière plastique.
  6. Dispositif de levage sous vide, comprenant :
    - une conduite d'aspiration (102) s'étendant entre un raccord à vide et une ouverture d'embouchure ;
    - un moyen d'aspiration (101), en particulier sous la forme d'une ventouse, le moyen d'aspiration (101) servant à l'application étanche contre des surfaces de marchandises transportées ; et
    - un tuyau d'aspiration (100) de longueur variable, qui délimite la conduite d'aspiration (102) au moins localement entre le moyen d'aspiration (101) et le raccord à vide,
    dans lequel
    le moyen d'aspiration (101) est monté de préférence de manière amovible sur la conduite d'aspiration (102) dans une zone d'extrémité du tuyau d'aspiration (100) de longueur variable, et délimite l'ouverture d'embouchure ; et
    le dispositif de levage sous vide comprend en outre un dispositif (1) ayant un bloc de distribution (2) en particulier en forme de tubulure selon l'une des revendications 1 à 5 pour régler une dépression dans le tuyau d'aspiration (100), pour influencer une section transversale d'écoulement libre de la conduite d'aspiration (102) dans un tronçon de conduite entre le tuyau d'aspiration (100) et l'ouverture d'embouchure et/ou pour régler une dépression dans un tronçon de conduite entre la zone d'extrémité du tuyau d'aspiration (100) et l'ouverture d'embouchure.
  7. Dispositif de levage sous vide selon la revendication 6,
    dans lequel le bloc de distribution (2) est entièrement logé dans le tuyau d'aspiration (100) dans la zone d'extrémité du tuyau d'aspiration (100), et
    la conduite d'aspiration (102) est formée localement par le premier canal d'écoulement (6) du bloc de distribution (2).
  8. Dispositif de levage sous vide selon la revendication 6 ou 7,
    dans lequel il est en outre prévu un organe de manoeuvre, en particulier sous la forme d'une poignée de pistolet, entre le moyen d'aspiration (101) et la zone d'extrémité du tuyau d'aspiration (100), le moyen d'aspiration (101) étant monté de manière pivotante sur l'organe de manoeuvre, de préférence de manière amovible ou interchangeable, par l'intermédiaire d'un accouplement.
  9. Dispositif de levage sous vide selon la revendication 8,
    dans lequel l'organe de manoeuvre comporte des interrupteurs ou touches électriques correspondants, en particulier des interrupteurs à membrane ou des touches à membrane, pour piloter les premier, deuxième et troisième organes de vanne (14), les interrupteurs ou touches électriques étant respectivement reliés aux organes de vanne correspondants par une ligne électrique respective, et les lignes électriques étant de préférence intégrées ou logées au moins localement dans la paroi de la conduite d'aspiration (102).
  10. Dispositif de levage sous vide selon la revendication 9,
    dans lequel, en outre, les interrupteurs ou touches électriques peuvent être commandés à distance, en particulier par une télécommande sans fil.
  11. Dispositif de levage sous vide selon l'une des revendications 8 à 10, dans lequel l'organe de manoeuvre comporte au moins un écran ou un affichage pour afficher des informations pertinentes pour la manoeuvre du dispositif de levage sous vide.
  12. Système comprenant un premier dispositif de levage sous vide selon l'une des revendications 6 à 11 et, en option, une grue permettant de positionner le dispositif de levage sous vide dans différentes positions, le système comprenant en outre au moins un deuxième dispositif de levage sous vide supplémentaire, en particulier un deuxième dispositif de levage sous vide supplémentaire selon l'une des revendications 6 à 11, le premier et au moins un deuxième dispositif de levage sous vide étant reliés entre eux par un canal de transmission de données pour la transmission de données.
  13. Système selon la revendication 12,
    dans lequel le premier et au moins un deuxième dispositif de levage sous vide sont en particulier conçus pour communiquer ou échanger des données selon le principe maître/esclave, le premier dispositif de levage sous vide étant conçu pour synchroniser une manoeuvre du deuxième dispositif de levage sous vide avec la manoeuvre du premier dispositif de levage sous vide.
  14. Procédé de manoeuvre d'un système selon la revendication 12 ou 13,
    dans lequel le premier dispositif de levage sous vide est commandé par l'opérateur du système via l'organe de manoeuvre du premier dispositif de levage sous vide, de préférence manuellement, à savoir par pilotage du premier, deuxième et/ou troisième organe de vanne (14) du premier dispositif de levage sous vide, et
    ledit au moins un deuxième dispositif de levage sous vide supplémentaire est piloté de manière synchrone avec le premier dispositif de levage sous vide, de préférence automatiquement et de manière particulièrement préférée au choix automatiquement.
EP20704502.2A 2019-02-11 2020-02-06 Dispositif pour commander la fonction d'un dispositif de levage sous vide et dispositif de levage sous vide comprenant un tel dispositif de commande Active EP3924286B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019103251.2A DE102019103251B4 (de) 2019-02-11 2019-02-11 Vorrichtung zur steuerung der funktion einer vakuum-hebevorrichtung sowie vakuum-hebevorrichtung mit einer derartigen steuervorrichtung
PCT/EP2020/053015 WO2020165022A1 (fr) 2019-02-11 2020-02-06 Dispositif pour commander la fonction d'un dispositif de levage sous vide et dispositif de levage sous vide comprenant un tel dispositif de commande

Publications (2)

Publication Number Publication Date
EP3924286A1 EP3924286A1 (fr) 2021-12-22
EP3924286B1 true EP3924286B1 (fr) 2023-08-16

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EP20704502.2A Active EP3924286B1 (fr) 2019-02-11 2020-02-06 Dispositif pour commander la fonction d'un dispositif de levage sous vide et dispositif de levage sous vide comprenant un tel dispositif de commande

Country Status (5)

Country Link
US (1) US20220098007A1 (fr)
EP (1) EP3924286B1 (fr)
CN (1) CN113631495B (fr)
DE (1) DE102019103251B4 (fr)
WO (1) WO2020165022A1 (fr)

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Publication number Priority date Publication date Assignee Title
DE102021102572B4 (de) 2021-02-04 2023-04-27 J. Schmalz Gmbh Schlauchheber

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EP3924286A1 (fr) 2021-12-22
DE102019103251A1 (de) 2020-08-13
US20220098007A1 (en) 2022-03-31
DE102019103251B4 (de) 2022-05-25
WO2020165022A1 (fr) 2020-08-20
CN113631495A (zh) 2021-11-09

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