ITMI20061235A1 - DEVICE FOR SEALING LEAVES BY ROTATING - Google Patents

DEVICE FOR SEALING LEAVES BY ROTATING Download PDF

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Publication number
ITMI20061235A1
ITMI20061235A1 IT001235A ITMI20061235A ITMI20061235A1 IT MI20061235 A1 ITMI20061235 A1 IT MI20061235A1 IT 001235 A IT001235 A IT 001235A IT MI20061235 A ITMI20061235 A IT MI20061235A IT MI20061235 A1 ITMI20061235 A1 IT MI20061235A1
Authority
IT
Italy
Prior art keywords
roller
heating roller
sealing
guide system
linear guide
Prior art date
Application number
IT001235A
Other languages
Italian (it)
Inventor
Heinrich Loecht
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of ITMI20061235A1 publication Critical patent/ITMI20061235A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/534—Joining single elements to open ends of tubular or hollow articles or to the ends of bars
    • B29C66/5346—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat
    • B29C66/53461—Joining single elements to open ends of tubular or hollow articles or to the ends of bars said single elements being substantially flat joining substantially flat covers and/or substantially flat bottoms to open ends of container bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8161—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/816—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8163—Self-aligning to the joining plane, e.g. mounted on a ball and socket
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8223—Worm or spindle mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8246—Servomechanisms, e.g. servomotors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8341—Roller, cylinder or drum types; Band or belt types; Ball types
    • B29C66/83411—Roller, cylinder or drum types
    • B29C66/83413—Roller, cylinder or drum types cooperating rollers, cylinders or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/834—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools moving with the parts to be joined
    • B29C66/8351—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws
    • B29C66/83511—Jaws mounted on rollers, cylinders, drums, bands, belts or chains; Flying jaws jaws mounted on rollers, cylinders or drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/849—Packaging machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/924—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/9241—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force or the mechanical power
    • B29C66/92431—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force, the mechanical power or the displacement of the joining tools by controlling or regulating the pressure, the force or the mechanical power the pressure, the force or the mechanical power being kept constant over time
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/922—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/9221—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force, the mechanical power or the displacement of the joining tools by measuring the pressure, the force or the mechanical power
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/96—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process
    • B29C66/961—Measuring or controlling the joining process characterised by the method for implementing the controlling of the joining process involving a feedback loop mechanism, e.g. comparison with a desired value
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7162—Boxes, cartons, cases
    • B29L2031/7164—Blister packages

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Glass Compositions (AREA)
  • Tea And Coffee (AREA)
  • Package Closures (AREA)

Description

DESCRIZIONE DESCRIPTION

Stato dell'arte State of the art

L'invenzione prede le mosse da un dispositivo per sigillare foglie mediante rullatura deL genere di cui alla rivendicazione indipendente. Dal documento DE 100 52 218 Al è già noto un dispositivo per sigillare mediante rullatura. Esso contempla un rullo sìgillatore ed un rullo riscaldante con regolazione della pressione di sigillatura, che interagisce con il precedente, laddove il rullo sìgillatore e/oppure il rullo riscaldante sono supportati in modo da poter girare attorno al loro asse longitudinale ed in modo da poter oscillare per mezzo di un primo e di un secondo supporto oscillante, supporti che sono previsti in corrispondenza di una prima, rispettivamente di una seconda estremità di testa del rullo sìgillatore, rispettivamente del rullo riscaldante. I supporti oscillante sono realizzati in modo quanto meno parzialmente reciprocamente disaccoppiato riguardo alla loro possibilità di oscillazione . The invention is based on a device for sealing leaves by rolling of the kind referred to in the independent claim. A device for sealing by rolling is already known from DE 100 52 218 A1. It includes a sealing roller and a heating roller with sealing pressure adjustment, which interacts with the previous one, where the sealing roller and / or the heating roller are supported in such a way as to be able to rotate around their longitudinal axis and in such a way as to be able to oscillate. by means of a first and a second oscillating support, supports which are provided in correspondence with a first, respectively, a second head end of the sealing roller, respectively of the heating roller. The pivoting supports are made at least partially mutually decoupled with respect to their pivotability.

Vantaggi dell'invenzione Advantages of the invention

Il dispositivo conforme all'invenzione, per sigillare foglie mediante rullatura, conforme alle caratteristiche della rivendicazione indipendente ha invece il vantaggio che la pressione di sigillatura può essere mantenuta costante al fine di produrre figure sigillate assolutamente uniformi, analogamente alla sigillatura tramite piastre. Viene in seguito a ciò evitato il pericolo della sigillatura perforante, anche in caso di sigillatura mediante rullatura con struttura superficiale relativamente aperta, contemplante numerosi e grossi alveoli. Pendolazioni mirate della pressione di sigillatura rendono possibile una riduzione della curvatura dei blister. Per effetto del sistema di guida lineare conforme all'invenzione si riduce in modo significativo l'onere costruttivo, in quanto è possibile fare a meno di un oneroso meccanismo di oscillazione. La realizzazione di un flusso rettilineo della forza, senza cambiamenti di direzione, fa oltre a ciò aumentare la qualità della sigillatura. Il dispositivo conforme all'invenzione si distingue inoltre per una modalità costruttiva compatta e può anche essere installato su impianti esistenti. The device according to the invention, for sealing leaves by rolling, according to the characteristics of the independent claim, on the other hand, has the advantage that the sealing pressure can be kept constant in order to produce absolutely uniform sealed shapes, similarly to sealing by means of plates. As a result, the danger of piercing sealing is avoided, even in the case of sealing by rolling with a relatively open surface structure, comprising numerous and large cavities. Targeted swings of the sealing pressure make it possible to reduce the curvature of the blisters. As a result of the linear guide system according to the invention, the construction effort is significantly reduced, since it is possible to do without an expensive oscillation mechanism. The realization of a straight flow of force, without changes of direction, also increases the quality of the seal. The device according to the invention is also distinguished by a compact construction method and can also be installed on existing systems.

Come mezzo di produzione della pressione è previsto conformemente all'invenzione un servomotore. Ciò semplifica la possibilità di regolazione, rispettivamente di gestione della pressione. Il servomotore interagisce con un elemento elastico a membrana. Questo serve da un lato a trasformare l'ampiezza della corsa del servomotore nella necessaria forza di compressione tra rullo riscaldante e rullo sigillatore, e dall'altro lato serve per assorbire la coppia e per supportare a guisa di cardano la madrevite del servomotore. Grazie a questa doppia funzionalità è possibile ridurre la complessità dell'intero sistema. A servo motor is provided as a means of producing the pressure according to the invention. This simplifies the possibility of adjustment, respectively pressure management. The servomotor interacts with an elastic membrane element. This serves on the one hand to transform the stroke length of the servomotor into the necessary compression force between the heating roller and the sealing roller, and on the other hand it serves to absorb the torque and to support the nut screw of the servomotor in the form of a cardan shaft. Thanks to this double functionality it is possible to reduce the complexity of the entire system.

Altri, opportuni sviluppi si evincono dalle altre rivendicazioni subordinate e dalla descrizione. Disegno Other, suitable developments can be deduced from the other subordinate claims and from the description. Drawing

Un preferito esempio di realizzazione del dispositivo conforme all'invenzione per sigillare foglie mediante rullatura, viene ora illustrato più nel dettaglio in relazione al disegno allegato. Qui fanno vedere: A preferred example of embodiment of the device according to the invention for sealing leaves by rolling is now illustrated in more detail in relation to the attached drawing. Here they show:

la Figura 1 una prima vista in prospettiva di un dispositivo di sigillatura con gestione della pressione, Figure 1 is a first perspective view of a pressure management sealing device,

la Figura 2 una vista in pianta del dispositivo di sigillatura con gestione della pressione, senza rullo sigillatore. Descrizione dell'esempio di realizzazione Figure 2 is a plan view of the pressure management sealing device, without the sealing roll. Description of the example of realization

Un cilindro riscaldante 1, viene guidato tramite un sistema di guida lineare 2. Tramite un sistema di guida ad arco di cerchio 4 e tramite i rulli di posizionamento 5 un sistema di supporto 3 a forma di forcella del rullo riscaldante è supportato in corrispondenza del sistema di guida lineare 2 in modo da potersi muovere angolarmente attorno all'asse di rotazione 7 fittizio che giace nel piano tangenziale tra rullo riscaldante e rullo sigillatore 6. L'indirizzamento della forza nel sistema di guida lineare 2 ha luogo tramite un servomotore 8 a controllo numerico. Una vite senza fine di rotolamento a satelliti, rispettivamente una vite senza fine di rotolamento a sfere 8.1, accoppiata con il servomotore 8, ingrana con una madrevite 8.2 che da parte sua è accoppiata con un elemento elastico a membrana 9. A heating cylinder 1 is guided by a linear guide system 2. A fork-shaped support system 3 of the heating roller is supported at the system by means of a circular arc guide system 4 and by means of the positioning rollers 5 linear guide 2 so as to be able to move angularly around the fictitious rotation axis 7 which lies in the tangential plane between the heating roller and sealing roller 6. The directing of the force in the linear guide system 2 takes place via a controlled servo motor 8 numeric. A planetary rolling worm, respectively a ball rolling worm 8.1, coupled with the servomotor 8, meshes with a nut screw 8.2 which for its part is coupled with an elastic membrane element 9.

Il servomotore 8 muove il rullo riscaldane 1 tramite il sistema di guida lineare 2 nello stesso senso nel quale anche il rullo riscaldante 1 esercita, nella direzione ortogonale, una forza sul rullo sigìllatore 2 che è in contatto lineare con il rullo riscaldante 1. Questo indirizzamento della forza in senso ortogonale ha luogo direttamente, vale a dire senza l'impiego di onerosi meccanismi di rinvio, rispettivamente a leve. Al fine di poter ciò nonostante compensare movimenti attorno all'asse di rotazione 7 effettivo, tra il sistema di guida lineare 2 ed il sistema di sopportazione 3 a forma di forcella del rullo riscaldante è previsto un sistema di sopportazione oscillante, costituito dal sistema di guida 4 ad arco di cerchio con rulli di posizionamento 5. Il sistema di guida 4 ad arco di cerchio è allo scopo accoppiato rigidamente con il sistema di supporto 3 del rullo riscaldante. L'accoppiamento tra sistema di supporto 3 del rullo riscaldante ed il sistema di guida lineare 2 ha ora luogo tramite i rulli di posizionamento 5. I rulli dì posizionamento 5 sono supportati in modo girevole in una carcassa non meglio identificata, la quale è parte integrante fissa del sistema di guida lineare 2. I rulli di posizionamento 5 si impegnano con il sistema di guida 4 ad arco di cerchio, vale a dire che essi sono guidati da questo. Viene in seguito a ciò consentito un modesto movimento oscillante del sistema di supporto 3 del rullo riscaldante, rispettivamente del rullo riscaldante 1 relativamente al sistema di guisa lineare 2. Il sistema di guida 4 ad arco di cerchio è preferibilmente realizzato in modo che l'arco di cerchio sia curvato verso il basso, vale a dire in direzione del rullo riscaldate 1. Complessivamente si tratta preferibilmente di sei rulli di posizionamento 5, tre dei quali rispettivamente si trovano sui lati anteriore e posteriore del sistema di supporto 3 del rullo riscaldante. Sul lato posteriore del sistema di supporto 3 del rullo riscaldante con il sistema di supporto 3 del rullo riscaldante è parimenti accoppiato in modo fisso un sistema di guida ad arco di cerchio non visibile nella figura. Per ciascun sistema di guida 4 ad arco di cerchio è ora previsto un rullo posizionatore 5 di supporto disposto al centro, il quale si impegna con la parte inferiore della guida del sistema di guida 4 ad arco di cerchio, vale a dire con il sistema di guida orientato verso il rullo riscaldante 1. A sinistra ed a destra dell'asse di mezzeria immaginario sono ora montati, per ciascun sistema di guida, due ulteriori rulli posizionatori 5 che si impegnano con il sistema di guida 4 ad arco di cerchio orientato verso l'alto, vale a dire orientato in modo da allontanarsi dal rullo riscaldante 1. I due rulli posizionatori 5 superiori presentano di preferenza la medesima distanza rispetto alla superficie del rullo riscaldante 1. La sopportazione oscillante, realizzata tramite il sistema di guida 4 ad arco di cerchio, del rullo riscaldante 1 rende possibile la creazione di una linea di contatto assolutamente uniforme, chiusa, tra rullo riscaldante 1 e rullo sigillatore 6. Effetti di attrito dovuti a movimenti relativi assiali tra rullo riscaldate 1 e rullo sigillatore 6 non possono al riguardo ripercuotesi direttamente, a motivo della posizione dell'asse di oscillazione, sul punto di interazione tra rullo riscaldate 1 e rullo sigillatore 6. The servomotor 8 moves the heating roller 1 by means of the linear guide system 2 in the same direction in which the heating roller 1 also exerts, in the orthogonal direction, a force on the sealing roller 2 which is in linear contact with the heating roller 1. This addressing of the force in the orthogonal sense takes place directly, ie without the use of costly return mechanisms, respectively with levers. In order to be able nevertheless to compensate for movements around the actual rotation axis 7, an oscillating support system is provided between the linear guide system 2 and the fork-shaped support system 3 of the heating roller, consisting of the guide system 4 in the shape of a circle with positioning rollers 5. The guide system 4 in the shape of a circle is for this purpose rigidly coupled with the support system 3 of the heating roller. The coupling between the support system 3 of the heating roller and the linear guide system 2 now takes place via the positioning rollers 5. The positioning rollers 5 are rotatably supported in an unidentified casing, which is an integral part of the linear guide system 2. The positioning rollers 5 engage with the circular arc guide system 4, i.e. they are guided by it. As a result, a modest oscillating movement of the support system 3 of the heating roller or of the heating roller 1 relative to the linear pattern system 2 is permitted. The circular arc guide system 4 is preferably designed so that the arc of the circle is curved downwards, that is to say in the direction of the heated roller 1. Overall, these are preferably six positioning rollers 5, three of which are respectively located on the front and rear sides of the support system 3 of the heating roller. On the rear side of the support system 3 of the heating roller with the support system 3 of the heating roller there is likewise fixedly coupled an arc-shaped guide system not visible in the figure. For each circular arc guide system 4 there is now provided a support positioning roller 5 arranged in the center, which engages with the lower part of the guide of the circular arc guide system 4, that is to say with the guide oriented towards the heating roller 1. To the left and to the right of the imaginary center line there are now mounted, for each guide system, two further positioning rollers 5 which engage with the guide system 4 in a circular arc oriented towards the high, that is to say oriented so as to move away from the heating roller 1. The two upper positioning rollers 5 preferably have the same distance from the surface of the heating roller 1. The oscillating support, realized by means of the arch guide system 4 circle, of the heating roller 1 makes it possible to create an absolutely uniform, closed contact line between the heating roller 1 and sealing roller 6. Frictional effects due to relative axial movements between the heated roller 1 and the sealing roller 6 cannot in this regard directly affect, due to the position of the pivot axis, the point of interaction between the heated roller 1 and the sealing roller 6.

L'indirizzamento della forza nel sistema di guida lineare 2 viene illustrato più nel dettaglio in relazione alla figura 2. la vite senza fine 8,1 del servomotore 8 (per esempio una vite senza fine di rotolamento a satelliti, rispettivamente, in alternativa, una vite senza fine di rotolamento a sfere) agisce tramite la madrevite 8.2 sull'elemento elastico a membrana 9. L'elemento elastico a membrana 9 è saldamento accoppiato con la carcassa che serve alla sopportazione dei rulli posizionatori 5. Il sistema di guida lineare 2 è inoltre costituito per esempio da due guide al fine dì rendere possibile un movimento lineare della carcassa al fine di esercitare una forza in senso ortogonale sul rullo riscaldante 1. L'elemento elastico a membrana 9 converte da un lato l'ampiezza della corsa della madrevite 8.2 nella necessaria forza di compressione tra rullo riscaldante 1 e rullo sigillatore 6. Dall'altro lato l'elemento elastico a membrana 9 serve per assorbire la coppia, rispettivamente per supportare a guisa di cardano la madrevite 8.2. Per mantenere costante la pressione di sigillatura, in funzione della struttura superficiale, rispettivamente della posizione angolare del rullo sigillatore 6, deve essere generata la corrispondente ampiezza dinamica. Allo scopo, tenendo conto della curva caratteristica della molla, all'elemento elastico a membrana 9 viene impressa una corrispondente corsa di molleggio. Di preferenza viene allo scopo implementato un circuito di regolazione della pressione, rispettivamente un circuito di comando della pressione, come per esempio indicato nel documento DE 100 52 218 A 14. Allo scopo vanno disposti non rappresentati sensori dì rilevazione della pressione, il cui segnale di uscita va addotto ad un sistema di regolazione della pressione, rispettivamente ad un sistema di comando della pressione. Il sistema di regolazione, rispettivamente di comando della pressione pilota il servomotore 8 nel senso di una pressione desiderata. The directing of the force in the linear guide system 2 is illustrated in more detail in relation to Figure 2. rolling ball worm screw) acts by means of the nut screw 8.2 on the elastic membrane element 9. The elastic membrane element 9 is welded together with the casing which is used to support the positioning rollers 5. The linear guide system 2 is furthermore constituted for example by two guides in order to make a linear movement of the casing possible in order to exert an orthogonal force on the heating roller 1. The elastic membrane element 9 converts on one side the amplitude of the run of the nut screw 8.2 in the necessary compressive force between the heating roller 1 and sealing roller 6. On the other hand, the elastic membrane element 9 serves to absorb the torque, respectively for support the nut screw 8.2. In order to keep the sealing pressure constant, depending on the surface structure, respectively the angular position of the sealing roller 6, the corresponding dynamic amplitude must be generated. For this purpose, taking into account the characteristic curve of the spring, a corresponding springing stroke is impressed on the elastic membrane element 9. For this purpose, a pressure control circuit, or a pressure control circuit, as indicated for example in the document DE 100 52 218 A 14, is preferably implemented. output must be added to a pressure regulation system, respectively to a pressure control system. The regulating system, respectively controlling the pressure, pilots the servomotor 8 in the direction of a desired pressure.

Claims (11)

RIVENDICAZIONI 1. Dispositivo per sigillare mediante rullatura in special modo foglie, comprendente un rullo sigillatore (6} ed un rullo riscaldante (1) che interagisce con questo, caratterizzato dal fatto che è previsto un sistema di guida lineare (2) che sul rullo riscaldante (1), nel senso ortogonale rispetto alla linea di contatto tra rullo riscaldante (1) e rullo sigillatore (1), esercita la pressione prodotta da mezzi generatori di pressione (8, 8.1, 8.2, 9). CLAIMS 1. Device for sealing by rolling especially leaves, comprising a sealing roller (6} and a heating roller (1) interacting with it, characterized in that a linear guide system (2) is provided on the heating roller ( 1), in the orthogonal direction with respect to the line of contact between the heating roller (1) and the sealing roller (1), exerts the pressure produced by pressure generating means (8, 8.1, 8.2, 9). 2. Dispositivo secondo la rivendicazione 1, caratterizzato dal fatto che tra rullo riscaldante (1) e sistema di guida lineare (2) è disposto un supporto oscillante (4, 5). Device according to claim 1, characterized in that an oscillating support (4, 5) is arranged between the heating roller (1) and the linear guide system (2). 3. Dispositivo secondo una delle rivendicazioni che precedono, caratterizzato dal fatto che il supporto oscillante contempla un sistema di guida (4) e/oppure quanto meno un rullo posizionatone (5). Device according to one of the preceding claims, characterized in that the oscillating support comprises a guide system (4) and / or at least a roller positioned thereon (5). 4. Dispositivo secondo una delle rivendicazioni che precedono, caratterizzato dal fatto che almeno un rullo posizionatore (5) disposto al centro si impegna con il sistema di guida (4). Device according to one of the preceding claims, characterized in that at least one positioning roller (5) arranged in the center engages with the guiding system (4). Dispositivo secondo una delle rivendicazioni che precedono, caratterizzato dal fatto che due ulteriori rulli posizionatori (5) si impegnano sul lato opposto del sistema di guida (4). Device according to one of the preceding claims, characterized in that two further positioning rollers (5) engage on the opposite side of the guide system (4). Dispositivo secondo una delle rivendicazioni che precedono, caratterizzato dal fatto che il sistema di guida è realizzato sottoforma di sistema di guida (4) ad arco di cerchio. Device according to one of the preceding claims, characterized in that the guiding system is made in the form of a guiding system (4) with an arc of a circle. Dispositivo secondo una delle rivendicazioni che precedono, caratterizzato dal fatto che i rulli posizionatori (5) sono accoppiati con una carcassa ce dai mezzi generatori di pressione (8, 8.1, 8.2, 9) viene caricata con pressione. Device according to one of the preceding claims, characterized in that the positioning rollers (5) are coupled to a casing c and are loaded with pressure by the pressure generating means (8, 8.1, 8.2, 9). Dispositivo secondo una delle rivendicazioni che precedono, caratterizzato dal fatto che il sistema dì guida lineare (2) contempla almeno una guida rispetto alla quale il rullo riscaldante (1) può essere spostato, Device according to one of the preceding claims, characterized in that the linear guide system (2) comprises at least one guide with respect to which the heating roller (1) can be moved, 9. Dispositivo secondo una delle rivendicazioni che precedono, caratterizzato dal fatto che come mezzo generatore di pressione è previsto almeno un servomotore (8). Device according to one of the preceding claims, characterized in that at least one servomotor (8) is provided as the pressure generating means. 10. Dispositivo secondo una delle rivendicazioni che precedono, caratterizzato dal fatto che il servomotore agisce su un elemento elastico (9) che si impegna con il sistema di guida lineare (2). Device according to one of the preceding claims, characterized in that the servomotor acts on an elastic element (9) which engages with the linear guide system (2). 11. Dispositivo secondo una delle rivendicazioni che precedono, caratterizzato dal fatto che è prevista una madrevite (8.2) che può essere azionata dal servomotore (8) e che agisce sull'elemento elastico (9).Device according to one of the preceding claims, characterized in that a nut screw (8.2) is provided which can be operated by the servomotor (8) and which acts on the elastic element (9).
IT001235A 2005-06-29 2006-06-27 DEVICE FOR SEALING LEAVES BY ROTATING ITMI20061235A1 (en)

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DE102005030211A DE102005030211A1 (en) 2005-06-29 2005-06-29 Roll sealing equipment for sealing films has sealing roll and swiveling heating roll onto which pressure is applied normal to their contact line by servomotor driving spindle and nut linked to linear guide supporting heating roll

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EP2080609A1 (en) 2008-01-19 2009-07-22 UHLMANN PAC-SYSTEME GmbH & Co. KG Seal device with seal pressure control
DE102008032306A1 (en) * 2008-07-09 2010-01-14 Multivac Sepp Haggenmüller Gmbh & Co. Kg Lifting and sealing device for a packaging machine
EP2156939A1 (en) 2008-08-18 2010-02-24 Uhlmann Pac-Systeme GmbH & Co. KG Device for roll sealing films
CN102632615A (en) * 2012-03-30 2012-08-15 苏州凯尔博精密机械有限公司 Hot melting device used in edge banding machine for hollow plate

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DE2462698C2 (en) * 1973-04-20 1980-07-03 K.K. Ricoh, Tokio Device for applying a transparent protective film to a sheet-like substrate
US4854984A (en) * 1987-06-19 1989-08-08 The Procter & Gamble Company Dynamic mechanical bonding method and apparatus
DE9110488U1 (en) * 1991-08-24 1991-12-12 Kaminski, Renald, 5130 Geilenkirchen, De
US5407507A (en) * 1993-10-25 1995-04-18 The Procter & Gamble Company Method and apparatus for combining a tensioned elastic member with a moving substrate web
DE10231076A1 (en) * 2002-07-10 2004-01-22 Herma Gmbh Label web, and method for its production
DE10234509A1 (en) * 2002-07-30 2004-02-12 Lemo Maschinenbau Gmbh Transverse welding or welding and cutting machine for plastic films used in bag and sack production has a plastic band between two welding tools

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