EP2158833A2 - Lave-vaisselle doté d'un appareil de manipulation sur le plateau à vaisselle - Google Patents

Lave-vaisselle doté d'un appareil de manipulation sur le plateau à vaisselle Download PDF

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Publication number
EP2158833A2
EP2158833A2 EP09010157A EP09010157A EP2158833A2 EP 2158833 A2 EP2158833 A2 EP 2158833A2 EP 09010157 A EP09010157 A EP 09010157A EP 09010157 A EP09010157 A EP 09010157A EP 2158833 A2 EP2158833 A2 EP 2158833A2
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EP
European Patent Office
Prior art keywords
cleaning
continuous
handling
cleaned
machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP09010157A
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German (de)
English (en)
Inventor
Stefan Dr. Scheringer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Meiko Maschinenbau GmbH and Co KG
Original Assignee
Meiko Maschinenbau GmbH and Co KG
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 Meiko Maschinenbau GmbH and Co KG filed Critical Meiko Maschinenbau GmbH and Co KG
Publication of EP2158833A2 publication Critical patent/EP2158833A2/fr
Withdrawn legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/24—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors
    • A47L15/241—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors the dishes moving in a horizontal plane
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/24—Washing or rinsing machines for crockery or tableware with movement of the crockery baskets by conveyors
    • A47L15/247—Details specific to conveyor-type machines, e.g. curtains

Definitions

  • the invention relates to a cleaning device for cleaning of items to be cleaned and to corresponding methods for feeding a continuous-cleaning machine and for cleaning items to be cleaned.
  • cleaning devices and methods are used in particular in the field of public catering in commercial kitchens, for example in schools, government agencies, hospitals and nursing homes, canteens or similar facilities.
  • use of such cleaning devices and methods for cleaning dishes such as glasses, plates, cutlery, cups, trays or other objects, which come directly or indirectly in contact with objects suitable for consumption.
  • a use of the proposed cleaning device and the proposed method is also possible for the cleaning of other types of items to be cleaned.
  • so-called automatic sorting machines are used for very large rinsing systems with very high volumes of cleaning goods.
  • Such automatic sorting machines are specially designed for the existing cover set.
  • the trays are mechanically turned and fed the crockery parts on switches, locks and with similar tools and methods using conveyors of the dishwasher.
  • these systems are very large, therefore require a lot of space and are expensive to buy.
  • these systems are inflexible in terms of the type of cleaning material and the distribution of this cleaning material on the trays.
  • the systems are usually designed for one, special application only. Furthermore, such systems are very maintenance-intensive and relatively prone to failure due to the high complexity.
  • the cleaning device and the method should allow a high degree of automation and at the same time be used flexibly.
  • a cleaning device for cleaning of items to be cleaned which has at least one continuous-cleaning machine. Furthermore, a method for feeding a continuous cleaning machine with items to be cleaned is proposed.
  • the cleaning device can be set up in particular to carry out a method according to the invention, for example by means of one or more corresponding controls, and the method can be carried out using a cleaning device according to the invention.
  • the method is used to load a continuous cleaning machine with items to be cleaned.
  • a loading is generally the provision of cleaning material to understand the continuous cleaning machine, which takes place in such a way that the cleaning material can be properly cleaned in the continuous cleaning machine.
  • the loading may comprise a correct provision of the cleaning product to a transport device of the continuous-cleaning machine, for example in a correct sorting of the cleaning material, in a correct orientation, in a correct classification in compartments for certain types of cleaning material or the like.
  • the method can also be extended to a method for cleaning the cleaning product by supplementing at least one cleaning step carried out in the continuous-cleaning machine.
  • the proposed cleaning device can be used in particular for cleaning dishes. Under dishes are, as shown above, to understand objects which can come into direct or indirect contact with food and drinks suitable for consumption and / or can be used in the preparation of such food and / or drinks. Examples of such items are plates, bowls, bowls, cups, glasses, cutlery or trays. As a rule, the item to be cleaned will be composed of several individual parts, so that, for example, a tray provided with a plurality of tableware parts will be provided.
  • the cleaning device comprises at least one continuous-flow cleaning machine, in particular a continuous-type dishwashing machine.
  • This continuous cleaning machine comprises at least one transport device and is set up to the items to be cleaned through at least one cleaning zone to transport. In this cleaning zone, the cleaning material is applied to at least one cleaning fluid.
  • cleaning zones may also be provided, for example a pre-evacuation zone, a rinsing zone, a rinsing zone, in particular a pump rinsing zone and / or a fresh-water rinsing zone or combinations of said cleaning zones and / or further cleaning zones.
  • Other types of zones may also be provided in the continuous-flow cleaning machine, for example one or more drying zones, inlet zones, outlet zones or the like.
  • this continuous-flow cleaning machine may comprise at least one belt transport and / or rack conveyor through-bed dishwasher and / or a combination of such continuous dishwashers and / or other continuous dishwashers.
  • the cleaning device comprises at least one handling device, in particular a robot.
  • This handling device is set up to at least partially automatically receive the cleaning items provided and to transfer them to the transport device.
  • a handling device is a device to understand, which is adapted to accommodate also randomly distributed provided cleaning and spatially two- or three-dimensional in its position and / or change orientation, so that in general a recording of a device that provides the cleaning material , And a transfer to the transport device is also possible if the providing device does not always provide the cleaning material in the same position and / or orientation, but under a stochastic spatial distribution and / or angular distribution.
  • a handling device a device which can respond flexibly to a stochastic spatial distribution and / or angular distribution of the cleaning and yet can accomplish the transfer to the transport device.
  • the term "at least partially automatically” is to be understood that not every provided cleaning material must be received by the handling device.
  • a plurality of handling devices can also be provided, which, for example, can also be used for different types of items to be cleaned.
  • one or more human operators can be used, which also receive cleaning supplies and to which at least a transport device and / or to other devices, such as other types of cleaning devices passed.
  • the at least one handling device should act automatically, in the sense that the recording of the provided cleaning can be done by the handling device without direct intervention of human operators.
  • the handling device should therefore recognize automatically that a cleaning material is provided, how and where this cleaning material is positioned and should make accordingly the recording and the transfer of this cleaning material to the transport device.
  • the cleaning device may further comprise a feed device for feeding the cleaning product to the continuous-cleaning machine.
  • the feeder can be set up to deliver the items to be cleaned to and / or in the vicinity of this task of the continuous-flow washing machine and / or to a plurality of such types of task.
  • This Geschirraufgabe can be arranged for example in the region of an inlet of a continuous dishwashing machine.
  • the handling device should be set up in this case to receive the cleaning material automatically from the feeder and transfer it to the transport device.
  • one or more feed devices, combined with one or more transport devices may be provided.
  • the at least one feed device which preferably operates fully automatically, however, other types of provision of the cleaning product can be selected, for example, additionally a manual provision of items to be cleaned, for example dishes.
  • the feeder may comprise at least one of the following feeders: a conveyor belt, in particular a webbing and / or a round belt conveyor; a chain strap, in particular a plate chain strap.
  • a conveyor belt or a chain belt is used, this conveyor belt or chain belt can be arranged in particular perpendicularly or substantially perpendicular to a transport direction of the at least one transport device.
  • the at least one handling device can then be arranged, for example, in an angular range between the transport device and the conveyor belt or a transport direction of the feed device.
  • the handling device is preferably configured to perform a pivoting movement, in which the cleaning material received by the feed device by an angle, preferably an angle of at least approximately 90 °, is pivoted to be able to be placed on the transport device can.
  • the handling device may comprise a pivot axis for this purpose.
  • the cleaning device may include one or more continuous-cleaning machines.
  • the feeding device can be set up to provide cleaning goods for both continuous-flow washing machines.
  • one and the same feed device can be used to provide cleaning goods to a plurality of continuous-flow washing machines, for example a first continuous-cleaning machine a first type of laundry, and a second continuous-cleaning machine a second type of laundry.
  • each continuous-cleaning machine is assigned at least one own handling device, which receives the cleaning material provided by the feed device and transfers it to the respective transport device of the respective continuous-flow cleaning machine.
  • the handling device can basically be adapted to the type of cleaning product provided.
  • the handling device may have at least one of the following receiving devices for receiving the provided cleaning stock: a mechanical pick-up device, in particular a gripper; a magnetic recording device; a pneumatic receiving device, in particular at least one sucker and / or at least one suction cup.
  • this recording device can also be adapted to the type of provision of the cleaning product. If this item to be cleaned, for example, essentially provided in a plane, for example by a conveyor belt, a conveyor belt, a webbing or the like, the receiving device may be set up to receive the items to be cleaned in this plane or from spatial directions above this level.
  • the transfer to the transport device can be designed accordingly. If this transport device, for example, in turn designed as a planar transport device, for example in the form of a belt, a chain or similar transport devices, so again a transfer in this plane or from spatial directions can be made above this level.
  • the transport device can be designed for example as a belt transport and can, for example have multiple subjects, tracks or the like on a tape. Accordingly, the assignment of different types of items to be cleaned to these subjects, tracks or similar recordings in the transport device can take place. Also, a corresponding sorting or task in baskets or other baskets of the transport device is possible, for example, when using basket transport continuous dishwashers.
  • the handling device is preferably designed as a freely programmable handling device.
  • the handling device may have one or more controls, which may be set up centrally or even decentrally.
  • the control of the handling device is also referred to below as device control, for example, to distinguish from other types of controls of the cleaning device, such as a machine control of the continuous cleaning machine.
  • the device controller may comprise, for example, at least one data processing device, for example one or more microprocessors or the like.
  • corresponding storage means may be provided, for example non-volatile or volatile storage means.
  • input and output means can be provided, for example one or more displays, display devices, keyboards, touch screens, control buttons, acoustic display elements or the like.
  • Free programmability of the handling device should be understood to mean that, by changing a corresponding program in the device control, the handling device can be freely adapted to the ambient conditions within certain limits.
  • the cleaning device can be flexibly adapted to the local conditions.
  • a free programmability with respect to the movements that must be performed by the handling device in the transfer to the transport device may be provided.
  • the handling device can be configured in particular as a handling device with at least two degrees of freedom of a movement. Preferably, even three or more degrees of freedom are provided. This can be ensured, for example, by the fact that the handling device comprises at least one robot, for example at least one industrial robot.
  • This robot may be, for example, a biaxial, a triaxial, or even a quad or multiaxial robot.
  • this may be a robot with a corresponding robot arm, which is controllable on several axes.
  • a robot can generally be understood to mean a freely programmable and multifunctional manipulator which preferably has at least three independent axes and which is generally used to move materials, parts, tools or special devices on programmed, variable paths to perform various kinds of tasks.
  • this task is at least partially in an automatic recording of the cleaning and a transfer to the transport device.
  • an industrial robot are universally applicable multi-axis motion machine to understand their movements with respect to the sequence of movements and the movement paths or angles free, i. preferably without mechanical intervention, are programmable, and which may be sensor-guided. They can be equipped with grippers, tools or other means of production and can perform handling and / or manufacturing tasks.
  • such industrial robots are preferably used for the automatic recording of the provided cleaning material and the transfer to the transport device.
  • the cleaning device in particular the handling device, has at least one sensor for detecting the provided cleaning material.
  • a sensor is generally to be understood as a device based on basically any physical principles which can detect at least one property of the cleaning product, for example a physical and / or chemical property.
  • this property may include at least one of the following properties: a layer of the cleaning product; an orientation of the cleaning material; a kind of the cleaning material; a degree of contamination of the cleaning material; a condition of the cleaning material; a material of the cleaning material.
  • Other types of properties can also be detected.
  • the handling device reacts flexibly to the stated properties in order to receive the cleaning product and / or transfer the product To design cleaning goods to the transport device according to the detected characteristics.
  • the pure presence of a cleaning product can be understood as a property in this sense, so that the recording and transfer to the transport device can be started accordingly upon detection of this presence.
  • the at least one property of the items to be cleaned can also be forwarded to the continuous-flow cleaning machine, for example a controller of the continuous-cleaning machine, in order to adapt a cleaning process or cleaning operation accordingly to this property.
  • this may be a degree of contamination and / or a type of cleaning product.
  • the cleaning device in particular the handling device, further comprise at least one imaging system.
  • This image acquisition system can be configured to recognize the items to be cleaned, wherein the cleaning device can be set up to control the reception of the items to be cleaned by the handling device and / or the transfer of the items to be cleaned to the transport device according to the items to be cleaned recognized by the image acquisition system.
  • An imaging system is generally understood to mean a system which records one, two or three-dimensional image information about the cleaning material provided, for example at regular or irregular intervals.
  • the image processing system can detect at least one optical array, for example a one-, two- or three-dimensional optical array.
  • optical array for example a one-, two- or three-dimensional optical array.
  • cameras preferably digital cameras, can be used for this purpose, which record still images or sequences of images.
  • these cameras may include CMOS and / or CCD chips and / or other types of image sensors.
  • the image processing system may comprise at least one data processing device for processing and / or storing the image information.
  • an image processing system can also be included which evaluates the provided optical data completely or partially.
  • this image processing system can comprise an image recognition device which is set up in order to detect one or more properties in the sense of the properties of the cleaning product described above.
  • the presence of items to be cleaned, the type of items to be cleaned, the orientation and / or position of the items to be cleaned, a degree of contamination of the cleaning product or similar properties or combinations of said and / or other properties are detected.
  • this can be done by the image processing system by means of a pattern recognition, by means of which, for example, targeted searches for the occurrence of certain, typical for a particular type of cleaning goods types of patterns.
  • the transfer of the cleaning material to the transport device can be controlled in this development of the invention according to the recognized by the image processing system cleaning. It should also be mentioned in this aspect of the invention that the transfer of the cleaning product is controlled in accordance with the at least one property of the cleaning product detected by the image acquisition system, for example an orientation and / or position of the cleaning product.
  • the handling device as soon as a position and / or orientation of the cleaning material is detected, at least one receiving device, for example at least one gripper, according to this recognized position and / or orientation control.
  • the cleaning device can also be set up to control a cleaning process of the cleaning product in the continuous cleaning machine in accordance with the cleaning material or the recognized property detected by the image acquisition system.
  • this control can be done according to a degree of contamination of the cleaning.
  • an adjustment of the parameters of the cleaning process for example, an adaptation of the cleaning parameters of a dishwasher operation.
  • a belt speed of the transport device can be adapted, a type and / or concentration of cleaning agents, a temperature of cleaning or the like.
  • An adaptation of parameter combinations of the mentioned and / or other parameters of the operation of the continuous cleaning machine is possible.
  • the cleaning device may, as described above, comprise one or more handling devices, in particular one or more robots.
  • one or more human operators can additionally be provided, which can also be used, for example, for the transfer of the provided cleaning material to the transport device.
  • each handling device may be associated with one or more of its own imaging systems, or one or more imaging systems may be grouped be provided for several handling devices. It is particularly preferred if the multiple handling devices and / or the multiple image capture systems are controlled and / or supplied by a common device control.
  • the at least one continuous-cleaning machine may further comprise at least one machine controller.
  • This machine control which in turn may comprise, for example, one or more data processing devices, may for example be set up in terms of programming in order to control a cleaning process in the continuous-cleaning machine.
  • the machine controller may be set programmatically to perform one or more cleaning programs.
  • corresponding storage media, input and output means or similar devices usually included in a machine control can be provided.
  • the at least one handling device have at least one device control.
  • the at least one automatic control and the at least one device control are in unilateral or mutual operative connection.
  • Under an active connection is a connection to understand, which can be done for example via one or more corresponding wired and / or wireless interfaces, in which in one direction or in both directions data and / or parameters can be exchanged. For example, these may be control parameters. If, for example, a stop is caused in the continuous cleaning machine, for example as a result of a malfunction or interruption of the machine operation caused or caused by operating personnel, the device control can accordingly also be stopped, for example, so that the transfer of items to be cleaned to the transport device is stopped.
  • the operative connection can be decentralized, or it can also be provided a central control, which includes both the machine control and the device control wholly or partially, so that a mutual influence between handling device and continuous cleaning machine is possible.
  • the cleaning device may be configured to detect different types of items to be cleaned.
  • the handling device can be set up accordingly.
  • a distinction can be made between these types of items to be cleaned and a transfer to the transport device can be influenced accordingly.
  • a sorting of different types of items to be cleaned takes place, for example by assigning these different types to different receptacles in the transport device.
  • the transport device may comprise at least one of the following transport devices: a belt transport device, in particular a belt transport device having at least two different tracks and / or belt areas for different types of cleaning stock; a basket-transporting device, in particular a basket-transporting device with baskets with at least two different compartments for different types of items to be cleaned. Accordingly, by means of the handling device, an assignment of the different types of cleaning material can take place.
  • one and the same handling device for example, also be set up to handle different types of cleaning and handed over to the at least one transport device.
  • specialized handling devices can be used, so that, for example, the cleaning device comprises at least two handling devices with at least partially different tasks.
  • at least two imaging systems can be provided. The cleaning device can then be set up to pick up different types of items to be cleaned by means of the at least two handling devices and preferably by means of the at least two image acquisition systems and to transfer them to the transport device.
  • the cleaning device may further comprise additional components.
  • the cleaning device may further comprise at least one disposal device, for example, in particular at least one waste chute for waste.
  • the cleaning device can then be set up to dispose of waste contained in and / or on the items to be cleaned by means of the at least one handling device or (if several handling devices are provided) by means of at least one of these handling devices and the disposal device.
  • food remnants in appropriate Dishes are disposed of. This can be done in any case, so that, for example, in any case, such disposal is made, or it can, for example by means of the image acquisition system, be recognized if such disposal is required and only in this case, a corresponding disposal are made.
  • additional items such as napkins or the like may also be discarded, or a sorting of non-disposable items (such as forgotten personal belongings) may also be made.
  • This too is an advantage of the described image acquisition, since such image acquisition systems can differentiate between different types of additional items which are not attributable to the items to be cleaned.
  • a method for feeding a continuous cleaning machine is proposed, which, as shown above, in particular using a cleaning device and / or a handling device according to one or more of the embodiments described above can be performed.
  • the cleaning material is provided to at least one handling device, wherein the handling device at least partially automatically receives the provided cleaning material and transfers to at least one transport device at least one continuous-cleaning machine.
  • the transport device transports the items to be cleaned through at least one cleaning zone of the continuous-cleaning machine.
  • at least partial tasks of the entire scope of work can in turn also be taken over by human operators, for example parts of the transfer of the provided cleaning material to the transport device.
  • the method for feeding the continuous-flow cleaning machine can, as described above, be extended to a method for cleaning items to be cleaned.
  • the proposed cleaning device and the proposed methods have a number of advantages over known devices and methods.
  • a device and method are provided, with the aid of which, for example, crockery and cutlery parts of dining trays can be removed and used, for example, on a conveyor belt or in the baskets of a conveyor dishwasher. All this can be done without a human operator having to undergo strenuous, monotonous activity.
  • one or more robots may be combined with one or more imaging systems, including, if appropriate, a corresponding image analysis, and combined with a continuous dishwashing machine for the purpose of scavenging food trays in a public catering facility.
  • imaging systems including, if appropriate, a corresponding image analysis
  • a continuous dishwashing machine for the purpose of scavenging food trays in a public catering facility.
  • the advantages of such a combination are then in particular that the robot system is freely programmable in his movements.
  • Such a robot system is therefore not designed and manufactured in one piece only for one purpose, but due to its flexibility is suitable to be built in a series. Only slight adjustments, for example in the software, are then required for adaptation to the respective individual case.
  • the proposed combination with an overall system makes it possible to increase the working speed in comparison to a purely manual clearing.
  • the proposed cleaning device for a long time, especially without breaks during a working shift do a high workload. Overall, such a robotic system, considering all expenses for an operator can be more
  • FIG. 1a In plan view, a prior art cleaning device 110 is shown schematically.
  • This cleaning device 110 comprises a continuous-type dishwasher 112, which, as an integral or separate component, is assigned a transport device 114.
  • This transport device 114 may be configured in one or more parts and has, for example, a conveyor belt 116.
  • the through-feed dishwasher 112 is preceded by a feed device 118.
  • This feed device 118 which can be configured, for example, as a conveyor, serves to supply and thus to provide of items to be cleaned 120 to the continuous dishwasher 112.
  • the feeder 118 may comprise, for example, a simple webbing 122, a round belt conveyor or a plate chain conveyor. However, other embodiments are conceivable.
  • Belonging to the continuous dishwashing machine 112 are located at an inlet 124 of the continuous dishwashing machine 112 at the in FIG. 1a illustrated embodiment, two workplaces on which operators 126 clear the cleaning 120 by hand from the (also the cleaning material 120 attributable to) trays and put it in the correct position on the conveyor belt 116 of the conveyor dishwasher 112.
  • the cleaning stock 120 originally provided in a first transport direction 128 of the feed direction 118 is then conveyed in a second transport direction 130, which in the illustrated embodiment is different from the first transport direction 120, into the throughflow dishwasher 112 or an inlet tunnel 132 of the throughflow dishwasher 112.
  • the inlet tunnel 132 may, as in the FIGS. 1a and 1b indicated, one or more cleaning zones 134 may be downstream, in which the cleaning 120 is cleaned sequentially.
  • Various embodiments are conceivable.
  • discharge chutes 136 On the tray or in other types of cleaning product 120 contained waste and / or food particles are in the illustrated embodiment in FIG. 1a , also by hand, given in designated discharge chutes 136. Such discharge chutes 136 could also in the example according to FIG. 1b be provided.
  • Each operator 126 takes over, for example, in the in FIG. 1a shown process only a few or only a few subtasks.
  • the cleared trays of the items to be cleaned 120 can, for example, be conveyed further, for example to a separate tray dishwashing machine, which in FIG. 1a is not shown and which may for example also be part of the cleaning device 110.
  • a separate tray dishwashing machine which in FIG. 1a is not shown and which may for example also be part of the cleaning device 110.
  • embodiments in which the trays are transported on their own tracks through the same pass-through dishwasher 112 as the dishes and cutlery and are cleaned therein are also known.
  • FIG. 1b Unlike the in FIG. 1a illustrated embodiment with two operators 126 is in FIG. 1b also shown in plan view, a schematically illustrated embodiment, in which there are four workplaces for operators 126 at the inlet 124 of the conveyor dishwashing machine 112. Also in this, also the state of the art example, the cleaning product 120 by hand of the, in turn, the cleaning material 120 attributable trays cleared and placed in the correct position on the conveyor belt 116 of the conveyor dishwashing machine 112. Again, for example, in turn, the cleared tray can be forwarded, for example, again to a separate tray dishwasher, or it can also be a cleaning of the trays in the same continuous dishwashing machine 112. Otherwise, for more details of the in FIG. 1b illustrated embodiment largely to the description of FIG. 1a to get expelled.
  • FIG. 1b illustrated four-place variant is usually chosen when so much dishes to sort and wash is that the amounts can no longer be processed by two operators 126. Variants in which only one operator 126 is used are likewise to be found in practical use. Furthermore, it should be noted that the arrangements according to the FIGS. 1a and 1b are to be understood merely by way of example, so that, for example, the individual functional elements can also be arranged spatially differently on the scissors task than in the examples according to FIGS FIGS. 1a and 1b shown.
  • FIG. 2 schematically is a possible arrangement of cleaning 120 to take, as it is often encountered in the field of dishwashing. It should be noted, however, that the individual components of this cleaning product 120 can be distributed virtually arbitrarily. In this respect, the in FIG. 2 Exemplarily represented distribution as idealized, and the cleaning device 110 should be able to handle other distributions of any kind.
  • reference numeral 138 denotes a tray, such as a plastic or wooden tray.
  • This tray 138 may basically have a substantially arbitrary shape, but is usually as in FIG. 2 shown, rectangular executed.
  • a soup bowl 140, a plate 142, a salad bowl 144, a dessert bowl 146, cutlery 148 and a drinking glass 150 are provided. All items are only symbolically indicated.
  • FIG. 2 can be seen, in addition to an almost random random distribution of the individual objects of the cleaning product 120, also numerous different forms and / or materials to be cleaned 120, which must be handled reliably and safely by the cleaning device 110.
  • FIG. 3 an exemplary embodiment is exemplarily illustrated on a transport device 114 of a cleaning device 110 according to the prior art.
  • Transport device 114 can also be used in the context of the present invention and is intended to clarify a further problem of automatic loading of continuous-flow dishwasher 112.
  • the transport device 114 in turn has a conveyor belt 116, for example, a conveyor belt.
  • this conveyor belt of the throughflow dishwasher 112 is subdivided into a plurality of tracks and / or belt areas (both expressions are used synonymously below) for different types of laundry 120.
  • reference numeral 116 denotes the entire conveyor belt
  • reference numerals 152 indicate a track for cutlery 148
  • reference numeral 154 a track for trays (for example, the salad tray 144 and / or the dessert tray 146 as shown in FIG FIG. 2 )
  • reference numeral 156 a track for plates 142
  • reference numeral 158 a track for trays 138.
  • This arrangement according to FIG. 3 is also only to be seen as an example.
  • Other configurations of the transport device 114 are also conceivable, for example arrangements in which a transport of the cleaning product 120 takes place by means of baskets or the like.
  • FIG. 4 schematically a possible embodiment of a cleaning device 110 according to the invention is shown in plan view.
  • the embodiment corresponds in many details to the embodiments according to the FIGS. 1a and 1b , so that for the function of the individual elements and their possible structure, for example, reference may be made to the above description of these figures.
  • the cleaning device 110 comprises a continuous dishwashing machine 112 with a transport device 114 with conveyor belt 116.
  • a feed 118 is provided which provides cleaning material.
  • other arrangements of the transport device 114 and / or the feeder 118 are in principle possible.
  • the feed device 118 is connected upstream of the through-flow dishwasher 112 for the supply of cleaning material 120.
  • the feeder 118 may again comprise a webbing 122, a round belt conveyor, or a plate chain belt.
  • other embodiments are again conceivable.
  • the cleaning device 110 includes in the in FIG. 4 illustrated embodiment further in the region of the inlet 124 a handling device 160.
  • This handling device 160 is preferably universally applicable and can for example as a robot, as a multi-axis robot, as a multi-axis articulated arm robot or in a similar manner be designed.
  • the handling device comprises a device control 162, which may be separate or partially identical from a state machine controller 164 of the continuous dishwashing machine 112. Centralized control of the entire cleaning device 110 is also conceivable.
  • the controllers 162, 164 may also be in operative connection, for example via one or more in FIG. 4 not shown interfaces.
  • an image acquisition system 166 is in FIG. 4 shown as part of the handling device 160.
  • the image acquisition system 166 is preferably set up to also at least partially perform image processing, ie, for example, to detect at least one property of the cleaning product 120 by optical means, for example the pure presence of the cleaning product 120 and / or the orientation of the cleaning product 120. Further examples have been given above described.
  • the handling device 160 further comprises a receiving device 168, which is shown in this embodiment as a gripper 170. Again, however, other embodiments are possible.
  • the handling device 160 or the cleaning device 110 can for example detect the presence of items to be cleaned 120, for example the fact that a new, loaded, partially loaded or unloaded tray 138 is provided by the feeder 118. Furthermore, a load on this tray 138 can be detected, for example, as shown in FIG FIG. 2 , The device controller 162 may then cause the manipulator 160, such as the robot, to perform the necessary movements and actions to accomplish the task of transfer to the transport device 114.
  • the gripper 170 for example, the crockery 140, 142, 144, 146, 150 and / or cutlery 148 are received by the tray 138 and placed in the correct position on the conveyor belt 116 of the conveyor dishwasher 112.
  • the receiving device 168 can, for example, as in FIG. 4 illustrated, comprise a mechanical gripper 170 or, alternatively or additionally, a pneumatic gripper, in particular a suction cup, a magnetic gripper, in particular for receiving the cutlery 148, or a combination from such receptacles and / or other types of receptacles 168.
  • each operator 126 takes over individual or only a few partial recordings, such a procedure can in principle also be used in robot-assisted dishwashing according to US Pat FIG. 4 or be applicable according to other embodiments of the invention. This may mean that in cleaning devices 110, for example, from a certain size and / or capacity, multiple handling devices 160, for example, several acceptance robots can be used.
  • the one handling device 160 or the plurality of handling devices 160 does not pick up all existing objects that are provided by the feed device 118 and transfer them to the transport device 114, but that only partial tasks are taken over by the handling devices 160.
  • one or more human operators 126 may also be used, for example, to remove remaining remnants (for example, items not detected by the manipulator 160) from the tray 138 and to supply them accordingly.
  • the handling device 160 in particular the robot, with its image acquisition system 166 gains knowledge about a property, for example a type, of the cleaning product.
  • a property for example a type
  • cleaning material which is particularly difficult to clean could be recognized, for example pots or the like.
  • These findings could pass the device controller 162 of the manipulator 160 to the machine controller 164 of the continuous dishwasher 112 so that the machine controller 164 of the continuous dishwasher 112 can be appropriately influenced on the parameters of the dishwasher operation.
  • a change in the belt speed of the conveyor belt 160, a temperature in individual cleaning zones 134, special cleaning agent additives or the like may be mentioned here.

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  • Washing And Drying Of Tableware (AREA)
EP09010157A 2008-08-22 2009-08-06 Lave-vaisselle doté d'un appareil de manipulation sur le plateau à vaisselle Withdrawn EP2158833A2 (fr)

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WO2021116363A1 (fr) * 2019-12-12 2021-06-17 Meiko Maschinenbau Gmbh & Co. Kg Système modulaire de chargement d'un lave-vaisselle à convoyeur
EP3915456A1 (fr) * 2020-05-28 2021-12-01 Illinois Tool Works, Inc. Système de chargement de vaisselles dans au moins un lave-vaisselle mobile, agencement d'au moins un lave-vaisselle mobile et d'un système de chargement, ainsi que procédé de chargement de vaisselles dans au moins un lave-vaisselle mobile
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