EP1433708B2 - Machine d'emballage et procédé pour faire fonctionner une machine d'emballage - Google Patents

Machine d'emballage et procédé pour faire fonctionner une machine d'emballage Download PDF

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Publication number
EP1433708B2
EP1433708B2 EP03029378.1A EP03029378A EP1433708B2 EP 1433708 B2 EP1433708 B2 EP 1433708B2 EP 03029378 A EP03029378 A EP 03029378A EP 1433708 B2 EP1433708 B2 EP 1433708B2
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EP
European Patent Office
Prior art keywords
packing machine
limits
dynamic
control unit
packaging 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.)
Expired - Lifetime
Application number
EP03029378.1A
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German (de)
English (en)
Other versions
EP1433708A3 (fr
EP1433708A2 (fr
EP1433708B1 (fr
Inventor
Bernd Junker
Reiner Zentgraf
Markus Rinn
Thomas Köhler
Walter Dr. Baur
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.)
Rovema GmbH
Original Assignee
Rovema GmbH
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Publication date
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Application filed by Rovema GmbH filed Critical Rovema GmbH
Publication of EP1433708A2 publication Critical patent/EP1433708A2/fr
Publication of EP1433708A3 publication Critical patent/EP1433708A3/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B57/00—Automatic control, checking, warning, or safety devices
    • B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
    • B65B57/16—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to stop, or to control the speed of, the machine as a whole

Definitions

  • the present invention relates to a packaging machine in which operating parameters P such as number of items to be packed per unit time, packaging dimensions such as packaging length, sealing times and the like are adjustable by an operator via an electronic control device and drives of moving in the packaging machine components such as envelope conveyor, Sealing jaws and the like.
  • operating parameters P such as number of items to be packed per unit time, packaging dimensions such as packaging length, sealing times and the like are adjustable by an operator via an electronic control device and drives of moving in the packaging machine components such as envelope conveyor, Sealing jaws and the like.
  • the DE-A-4315068 discloses a packaging machine with elecktronisches cam mechanism, which is adjustable via a control unit.
  • packaging machines are initially operated on a trial basis with newly calculated curves to test whether the packaging machine works with the newly calculated curves. If faults occur during trial operation, because the packaging machine is regulated or exceeded under the newly calculated curve profiles, the machine operator must initiate a new calculation process in which the changed operating parameters have a lesser variation in order to achieve within the remain maximum or minimum limits. Usually, the operator uses empirical values. After the second calculation, a trial operation of the packaging machine is again carried out in order to again decide whether the machine can work under specification of the second new curves or not.
  • the object is achieved by a packaging machine with the features of claim 1.
  • About the control device depending on static limits such as maximum acceleration of the machine, maximum speed of the machine, maximum Abbremsdorfkeit the machine, machine width and the like. Setting-specific dynamic limits Ultimately, the function of the static limit values and a set operating parameter such as number of cycles at a certain bag length are determined.
  • Example of such a dynamic limit is z. B. a to be implemented for a specific number of cycles or for a particular packaging product length of the machine braking distance, which is possible as a function of a maximum only possible deceleration by the machine itself as a static limit or not. If this braking distance is not possible due to the values entered for the control device, the control device automatically blocks this operating parameter, such as, for example, B.
  • the operation of a packaging machine is thus distinguished by the fact that machine-specific static limit values such as machine width, maximum acceleration, maximum deceleration can be entered, which determines the setting-specific dynamic limit values for each change in an operating parameter T as a function of the machine-specific static limit values and set operating parameters Dependence of the determined dynamic limits of the control device can be released or rejected.
  • machine-specific static limit values such as machine width, maximum acceleration, maximum deceleration
  • the packaging machine according to the invention is further distinguished by the fact that a control device displays additional optional optimization parameters for the dynamic limit values on the operating terminal.
  • the difficulties with today's setting of packaging machines are related to the fact that although the static limits of parameters are known, but not the dynamic limits resulting from the interaction of the various components of the packaging machine and / or the peculiarities of a packaging unit to be packaged.
  • This problem is solved by the present invention.
  • the control device Based on the known static limit values, the control device now determines setting-specific dynamic limit values resulting from the desired movement sequence of a packaging unit by the packaging machine, taking into account the changed parameter.
  • the setting-specific dynamic limit values it is no longer necessary to carry out a trial operation of the packaging machine in order to determine whether the desired changed operating parameter can be realized in the given machine configuration.
  • the machine operator is also relieved because he can virtually test limit values and is not subject to a risk of failure. It becomes easier to exploit the power reserves of a packaging machine.
  • a packaging machine 2 is shown with various components.
  • a conveying element 4 can be seen, which consists of conveying rollers 6, around which an endlessly circulating conveyor belt 8 is looped.
  • One of the conveyor rollers 6 is driven by a motor 10.
  • the conveying speed of the conveying element 4 is monitored by a sensor 12.
  • the operating parameters of the engine 10 and the sensor 12 are transmitted to a processor 14, which is part of a control device 16.
  • a light barrier 18 is also arranged as a further sensor, which monitors the movement and the material flow of packaging units, which are conveyed by the packaging machine 2.
  • the light barrier 18 also transmits its control signals to the processor 14.
  • interfaces 20 are connected, are regulated by the components 24 of the packaging machine 2 with actuators from the processor 14.
  • the device 24 consists of a glue nozzle, the glue has to apply to certain locations of the boxes 26, 28.
  • the processor 14 operates with control software that processes the incoming data into control commands to the actuators connected to the controller. Due to the control processes that are executed by the running on the processor 14 software, the packaging machine 2 can be operated in an automated process. However, this automated process only functions as long as the control software operating on the processor 14 operates with operating parameters that match the pack sizes and conveyor speeds of the boxes 26, 28 conveyed by the packaging machine 2. If operating parameters of the packaging machine 2 are to be changed, or if packaging other than the last processed packages is to be produced with the packaging machine 2, the control must be adapted to the changed operating parameters or packaging.
  • the specifications for adjusting the control can be input, for example, by an operator via a connected to the processor 14 operating terminal 32 in the control device 16.
  • the operation terminal 32 has an operation keyboard and a screen for outputting information of the control unit 16 about the operation of the packaging machine 2.
  • the static limits of the components of the packaging machine 2 can be stored. This may be, for example, the maximum speed of the motor 10, the maximum possible acceleration, the maximum conveying weight and the like.
  • the glue nozzle as a component 24
  • comparable data such as the maximum amount of glue that can be conveyed, the maximum throw of the glue, minimum or maximum switching or cycle times, minimum and maximum hole sizes of the glue nozzles and the like can be stored.
  • the minimum or maximum limit values stored in the memory 30 can also be stored multidimensionally. So can the minimum or maximum limits of a component as the engine 10 or the glue nozzle depending on different operating conditions to be stored. Thus, 10 different data can be stored for the engine, depending on how high the weight of a packaging unit fails.
  • the static limit values of the glue nozzle can be stored depending on the particular glue product used. Here, differences may arise, depending on whether a low-viscosity or pasty adhesive is processed, whether the adhesive is applied hot or cold, and the like.
  • the data on the static limits of a device 24 may be stored as a table of absolute numbers, but it is also possible to store them as mathematical functions, vectors, geometric lines and the like.
  • the more components 24 that can be controlled in a packaging machine 2 the more static limits must be taken into account by the control device 16 when changing an operating parameter, and the more difficult it is to change the packaging machine to a new operating parameter, since some static limits are taken together Considering a new operating parameter can redefine one or more dynamic limits.
  • An operator can predetermine certain operating parameters of the packaging machine 2 via the operating terminal 32 of the regulating device 16. For example, the length of a bag or cardboard packaging, the hourly output, the sealing time per package and the like come into consideration as input operational parameters. If an operator sets a discharge rate of 80 bags per minute as the new operating parameter for a packaging machine 2 set at a dispensing rate of 60 bags per minute, the preselected higher output will have an influence on the dynamic limits of the packaging machine 2 Control software of the processor 14 receives the input "80 bags / min", this calculates new curve functions on the required for the realization of this operating parameter movements of the drives in the form of curve tables. A graphical representation of the curve functions can be found in the FIGS. 2a to 2c , While the FIG.
  • FIG. 2a shows an output curve function with different values X1 over a rotation angle ⁇ of 360 °, which illustrates FIG. 2b a first derivation step in which a first control alternative for realizing the changed operating parameter is represented by a change of the value X2.
  • a new curve shape is determined based on a function for the respective section. Until all relevant variables have been taken into account, significant changes in a curve function can still result, which in a later derivation step also results in the in Figure 2c course can take.
  • the in Figure 2c The graph shown shows the result of a new function that was determined for the entire area.
  • the control device 16 From the new calculated curve functions, which are determined taking into account the predetermined static limit values, the control device 16 also automatically determines new dynamic limit values by a successive approximation.
  • the calculation of these new dynamic limits depending on the size of the number of variable sizes to be taken into account, may be very expensive, but with the computing power available today, it is still possible to achieve acceptable acceptable response times.
  • the controller 16 may conclude that the packaging machine 2 can only provide the increased value if the maximum possible length of a continuous packaging bag decreases from 1200 mm to 1000 mm.
  • the operating parameter preselected by the operator can be taken over by the control device 16 as a set operating parameter without problems.
  • the new curve functions created by the control software as part of the evaluation process can be released and used to control the packaging machine.
  • the situation is different if the bag length of the package to be produced is greater than 1000 mm: in this case, the operator would either have to enter a new value for the operating parameter application output which is lower than the previously entered operating parameter, or the operator would have to shorten it Accept bag length. In any case, however, the previously entered as a new operating parameter value is rejected because it is not feasible in the packaging machine 2.
  • the above-described calculation process for determining the setting-specific dynamic limit values is not only inputable when the packaging machine 2 is actually to be converted, the process can also be triggered in the context of a simulation to determine whether the packaging machine 2 at all taking into account the newly entered operating parameter is executable.
  • the dynamic limit values determined in the course of a simulation run and / or the trajectories determined can be buffered in order to be able to call them up when needed later.
  • the example outlined above shows the complexity of the control processes taking place in the packaging machine 2.
  • another dynamic operating parameter is changed, and in order to realize a desired operating parameter, which is not feasible in a given setting, another operating parameter can be changed.
  • the possible minimum and / or maximum values of the operating parameter modified by the operator should be displayed on the operator terminal 32.
  • the determined dynamic limit values can also be displayed completely or partially on the display device of the operator terminal 32.
  • the newly determined dynamic limits should be compared with the static limits to ensure their feasibility.
  • the newly determined dynamic limit values may also have repercussions on the static limit values. If it is determined by the control device 16 that a static minimum or maximum limit value would be exceeded when implementing a newly determined dynamic limit value, then the control device 16 can output a fault message.
  • control means 16 has a function which, upon detection of a minimum or maximum static limit being exceeded in a post-calculation loop, re-determines the relevant operating parameters to yield new dynamic limits which are within the minimum and maximum static limits move.
  • this recalculation loop By means of this recalculation loop, such values are thus determined for the operating parameter to be changed, which enable operation of the packaging machine 2.
  • the recalculation loop need not only be limited to the changed operating parameters, but may also include other operating parameters when a smaller change in another operating parameter would avoid a larger change in the changed operating parameter.
  • the recalculation loop can be triggered automatically or on command.
  • the control device 16 has an optimization function, by means of which an operating person is notified of additional operating parameters in addition to the changed operating parameter, by whose additional change the operation of the packaging machine could be optimized.
  • the proposed changes can be selected in the menu and adopted for the regulation of the packaging machine 2.
  • the changed parameter entered can be taken over automatically or on command as a new controlled variable from the control software into the control sequences for regulating the packaging machine 2 ,

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Control Of Conveyors (AREA)

Claims (9)

  1. Machine à emballer comportant au moins un entraînement motorisé et comportant des pièces de machine comme des éléments (24) de construction, qui peuvent être réglés par un appareil (16) de réglage, dans lequel l'appareil (16) de réglage est raccordé à des dispositifs d'entrée et de sortie et dans lequel un opérateur peut alimenter l'appareil de réglage en des paramètres d'opération de consigne de la machine à emballer et dans lequel des paramètres (P) d'opération tels que le nombre d'objets à emballer par unité de temps, les dimensions d'un emballage, la longueur d'un emballage, des temps de scellement et cetera sont réglables par un opérateur au travers de l'appareil de réglage électronique et dans lequel des entraînements d'éléments (24) de construction étant mus dans la machine à emballer tels que des convoyeurs de matériels d'enveloppe, des mâchoires de scellement et cetera peuvent être réglés par l'appareil de réglage électronique en fonction des paramètres d'opération réglables, dans lequel des limites statiques spécifiques à la machine telles que la laize, l'accélération maximale, le ralentissement maximal et cetera peuvent être entrées au travers l'appareil (16) de réglage électronique, dans lequel les limites dynamiques spécifiques au réglage telles que la distance de ralentissement et cetera sont réévaluées pour chaque changement d'un paramètre (P) d'opération en fonction des limites statiques spécifiques à la machine et dans lequel des paramètres d'opération choisis peuvent être libérés ou sont refusés par l'appareil de réglage en fonction des limites dynamiques évaluées et peuvent être affichées comme un signal de libération ou de refus des paramètres d'opération changés,
    caractérisée en ce
    que l'appareil (16) de réglage affiche des paramètres d'optimisation optionnels supplémentaires sur le terminal (32) d'emploi en plus des limites dynamiques.
  2. Machine à emballer selon la revendication 1,
    caractérisée en ce
    que des tableaux de courbe et/ou des fonctions mathématiques sont enregistrés et en ce que des limites dynamiques peuvent être déterminées par l'appareil (16) de réglage lors de l'entrée d'un paramètre d'opération changé, ayant accès aux limites statiques, tableaux de courbe et/ou fonctions mathématiques enregistrés.
  3. Machine à emballer selon la revendication 1 ou 2,
    caractérisée en ce
    que la machine (2) à emballer peut être transformée dans un état d'arrêt lors d'un signal de refus.
  4. Machine à emballer selon l'une quelconque des revendications 1 à 3,
    caractérisée en ce
    que les limites dynamiques sont évaluées dans une méthode de calcul de l'approximation successive, considérant au moins une série de mouvements dynamique dans la machine à emballer.
  5. Machine à emballer selon l'une quelconque des revendications 1 à 4,
    caractérisée en ce
    que les limites dynamiques évaluées sont affichées complètement ou en partie sur un terminal (32) d'emploi.
  6. Machine à emballer selon l'une quelconque des revendications 1 à 5,
    caractérisée en ce
    qu'un rapprochement est effectué avec des limites statiques dès lors que les limites dynamiques ont été évaluées.
  7. Machine à emballer selon la revendication 6,
    caractérisée en ce
    que, lors d'une constatation qu'une limite statique maximale et/ou minimale a été dépassée par au moins une limite dynamique, un signalement de défauts est passé au terminal (32) d'emploi.
  8. Machine à emballer selon la revendication 6 ou 7,
    caractérisée en ce
    que, lors d'une constatation qu'une limite statique maximale et/ou minimale a été dépassée par au moins une limite dynamique, les limites dynamiques sont réévaluées automatiquement ou sur commande, dans lequel le paramètre changé entré n'est pas identiquement à la base de l'évaluation, mais un paramètre étant évalué par l'appareil (16) de réglage par dérogation.
  9. Machine à emballer selon l'une quelconque des
    revendications 1 à 7,
    caractérisée en ce
    que le paramètre changé entré est adopté comme variable réglée dans le réglage de la machine (2) à emballer, automatiquement ou sur commande d'évaluation des limites dynamiques.
EP03029378.1A 2002-12-24 2003-12-19 Machine d'emballage et procédé pour faire fonctionner une machine d'emballage Expired - Lifetime EP1433708B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10261050A DE10261050A1 (de) 2002-12-24 2002-12-24 Verpackungsmaschine und Verfahren zum Betrieb einer Verpackungsmaschine
DE10261050 2002-12-24

Publications (4)

Publication Number Publication Date
EP1433708A2 EP1433708A2 (fr) 2004-06-30
EP1433708A3 EP1433708A3 (fr) 2005-08-17
EP1433708B1 EP1433708B1 (fr) 2016-02-24
EP1433708B2 true EP1433708B2 (fr) 2019-06-26

Family

ID=32404290

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03029378.1A Expired - Lifetime EP1433708B2 (fr) 2002-12-24 2003-12-19 Machine d'emballage et procédé pour faire fonctionner une machine d'emballage

Country Status (3)

Country Link
EP (1) EP1433708B2 (fr)
DE (1) DE10261050A1 (fr)
ES (1) ES2571803T5 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009061006A1 (de) † 2009-04-16 2010-11-04 Multivac Sepp Haggenmüller Gmbh & Co. Kg Verpackungsmaschine und Anzeigevorrichtung für eine Verpackungsmaschine
DE102015210971A1 (de) * 2015-06-15 2016-12-15 Windmöller & Hölscher Kg Verpackungsanlage und ein Verfahren zum Verpacken eines Produkts
DE102015210974A1 (de) * 2015-06-15 2016-12-15 Windmöller & Hölscher Kg Verpackungsanlage und ein Verfahren zum Verpacken eines Produkts in eine Mehrzahl an Säcken oder Beutel
US11021288B2 (en) † 2015-08-06 2021-06-01 Multivac Sepp Haggenmueller Se & Co. Kg Packaging machine having a process-controlled early start function
DE102016208670B4 (de) * 2016-05-19 2018-07-05 Rovema Gmbh Verfahren zur Herstellung von Verpackungen mittels einer Verpackungsmaschine mit SPS-Steuerung
IT201900024922A1 (it) * 2019-12-20 2021-06-20 Azionaria Costruzioni Acma Spa Metodo di controllo dei parametri operativi di un’unità saldatrice del tipo ad inseguimento

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516210A (en) * 1983-04-18 1985-05-07 Marq Packaging Systems, Inc. Programmable tray forming machine
DE4315068A1 (de) * 1993-05-06 1994-11-10 Mesoma Hans Guenter Kauck Gmbh Vorrichtung zur Bildung von Schlauchbeutelpackungen
DE19542651C1 (de) * 1995-11-15 1997-01-09 Bosch Gmbh Robert Vorrichtung zur Überprüfung der Dichtigkeit von Schlauchbeutelpackungen
IT1286231B1 (it) * 1996-09-24 1998-07-08 Awax Progettazione Procedimento ed apparato per rendere veloce, affidabile e flessibile il funzionamento di una qualsiasi macchina avvolgitrice di prodotti
US6494017B1 (en) * 1997-08-15 2002-12-17 Mcgrath Timothy Multi-function in-case filling and capping system
US6601371B1 (en) * 1998-05-05 2003-08-05 Erwin Fertig Packaging machine
IT1304228B1 (it) * 1998-10-23 2001-03-13 Casmatic Spa Apparato per limitare il lavoro del motore elettrico che aziona ipiegatori inferiori od altri eventuali attuatori a moto alternato e
US6944511B2 (en) * 2001-05-30 2005-09-13 G.D Societa Per Azioni Method of controlling an automatic machine

Also Published As

Publication number Publication date
DE10261050A1 (de) 2004-07-15
EP1433708A3 (fr) 2005-08-17
EP1433708A2 (fr) 2004-06-30
ES2571803T3 (es) 2016-05-26
ES2571803T5 (es) 2020-03-05
EP1433708B1 (fr) 2016-02-24

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