ITTV20100161A1 - KNEE OPERATED SEALING PRESS SYSTEM WITH INDEPENDENT ADJUSTABLE POWER ON EVERY PAIR OF ARMS. - Google Patents

KNEE OPERATED SEALING PRESS SYSTEM WITH INDEPENDENT ADJUSTABLE POWER ON EVERY PAIR OF ARMS. Download PDF

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Publication number
ITTV20100161A1
ITTV20100161A1 IT000161A ITTV20100161A ITTV20100161A1 IT TV20100161 A1 ITTV20100161 A1 IT TV20100161A1 IT 000161 A IT000161 A IT 000161A IT TV20100161 A ITTV20100161 A IT TV20100161A IT TV20100161 A1 ITTV20100161 A1 IT TV20100161A1
Authority
IT
Italy
Prior art keywords
arms
welding
press system
pair
adjustable power
Prior art date
Application number
IT000161A
Other languages
Italian (it)
Inventor
Galdino Candiotto
Original Assignee
Galdino Candiotto
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 Galdino Candiotto filed Critical Galdino Candiotto
Priority to IT000161A priority Critical patent/ITTV20100161A1/en
Publication of ITTV20100161A1 publication Critical patent/ITTV20100161A1/en

Links

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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B65B51/144—Closing paperboard containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/52—Folding sheets, blanks or webs by reciprocating or oscillating members, e.g. fingers
    • 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
    • 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
    • B29C66/1122—Single lap to lap joints, i.e. overlap 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
    • B29C66/40—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
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • B29C66/43122—Closing the top of gable top containers
    • 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
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72327—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper
    • 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
    • B29C66/814—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 design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8145—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/81463—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint
    • B29C66/81465—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 design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps comprising a plurality of single pressing elements, e.g. a plurality of sonotrodes, or comprising a plurality of single counter-pressing elements, e.g. a plurality of anvils, said plurality of said single elements being suitable for making a single joint one placed behind the other in a single row in the feed direction
    • 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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8221—Scissor or lever mechanisms, i.e. involving a pivot point
    • 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
    • B29C66/8227—Transmission mechanisms using springs
    • 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
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8324—Joining or pressing tools pivoting around one axis
    • B29C66/83241—Joining or pressing tools pivoting around one axis cooperating pivoting 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/843—Machines for making separate joints at the same time in different planes; Machines for making separate joints at the same time mounted in parallel or in series
    • B29C66/8432—Machines for making separate joints at the same time mounted in parallel or in series
    • 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
    • B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
    • B65B65/02—Driving gear
    • 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
    • B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
    • 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
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • 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
    • B29C66/8225—Crank 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
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2711/00—Use of natural products or their composites, not provided for in groups B29K2601/00 - B29K2709/00, for preformed parts, e.g. for inserts
    • B29K2711/12—Paper, e.g. cardboard
    • B29K2711/123—Coated
    • 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
    • B29L2031/7166—Cartons of the fruit juice or milk type, i.e. containers of polygonal cross sections formed by folding blanks into a tubular body with end-closing or contents-supporting elements, e.g. gable type containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/60—Uniting opposed surfaces or edges; Taping
    • B31B50/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure, e.g. by welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/84—Forming or attaching means for filling or dispensing contents, e.g. valves or spouts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Press Drives And Press Lines (AREA)

Description

DESCRIZIONE DI INVENZIONE INDUSTRIALE DESCRIPTION OF INDUSTRIAL INVENTION

Avente per titolo: Sistema di pressa saldante azionata a ginocchiera con potenza regolabile indipendentemente su ogni coppia di bracci The title is: Toggle-operated welding press system with independently adjustable power on each pair of arms

STATO ATTUALE DELL’ARTE: L'invenzione in oggetto s’inquadra nelfambito delle macchine confezionatrici form fili seal per prodotti alimentari anche liquidi , alfìnterno di contenitori in cartoncino plastificato o materiale plastico, ed in particolare dei dispositivi atti ad effettuare la saldatura tra loro di due o più pannelli di materiale plastico termosaldabile o di cartone rivestito di materiale plastico. Sul mercato esistono varie macchine e tecnologie per formare, riempire e sigillare confezioni ricavate da film plastico o da cartoncino polìaccoppiato con materie plastiche, che consentono di ottenere contenitori riempiti con svariati prodotti anche liquidi, quali succhi dì frutta, latte vino, e molti altri, pronti per la vendita al consumatore finale. Le macchine confezionatrici, attualmente sul mercato, solitamente lavorano secondo questa tecnica; partono da un film plastico più o meno sottile oppure, da un cartoncino rivestito da entrambi i lati con materiale plastico più o meno sottile, lo piegano e saldandolo longitudinalmente, formano un tubo, di dimensioni uguali al perimetro del contenitore finale; successivamente, tramite una saldatura trasversale posizionata sulla lunghezza del contenitore, formano il fondo e lo riempiono con il prodotto, tramite una successiva saldatura trasversale sigillano il tetto, ricavando cosi un contenitore di varie dimensioni, piu o meno lungo sigillato ermeticamente e pronto per il consumatore finale. Altre tecniche partono da un contenitore, già tagliato e fustellato, saldato longitudinalmente, lo aprono nella macchina confezionatrice piegano e saldano il fondo, lo riempiono col prodotto e infine piegano e saldano il tetto in modo da formare una confezione sigillata pronta al consumo. Esistono vari modi di saldare e sigillare i suddetti contenitori, per esempio: a barra calda, con sigillatura a freddo, ad impulsi, ad aria calda, ad alta frequenza, ad ultrasuoni, a induzione magnetica, a colla calda, e molte altre; normalmente si impiegano dispositivi dotati di due o più bracci dotati ganasce, che comprimono saldamente tra loro i pannelli della confezione in modo da raffreddare la materia plastica del contenitore precedentemente portata a temperatura di fusione. Questo tipo di saldatura è abbastanza facile con spessori dei materiali da saldare uniformi e sottili, per esempio i film plastici, ma richiede notevoli potenze, in presenza di uno o più pannelli sovrapposti, come accade per esempio, nelle piegature di un contenitore in cartoncino poli-accoppiato. Grande importanza viene attribuita alla perfetta saldatura e sigillatura della confezione, sia, dal confezionatore dei prodotti, che deve presentare il suo prodotto nel modo più attraente possibile, che dal consumatore finale il quale pretende un contenitore sigillato perfettamente per avere la massima garanzia che il prodotto conservi tutte le sue proprietà organolettiche, fino alla data di scadenza. Per questo in tutte le macchine confezionatrici, i sistemi di saldatura hanno un’importanza fondamentale; per eseguire buone saldature sono però necessarie strutture molto solide e ingombranti che a volte limitano Taccesso per effettuare la pulizia o la manutenzione. Nelle macchine che confezionano prodotti freschi, la pulizia e la semplicità sono importanti, ma nel mercato si stanno sempre più diffondendo macchine che confezionano prodotti a lunga conservazione, dove la semplicità di pulizia e il mantenimento di sicure condizioni igieniche, durante il confezionamento e la tenuta delle saldature determinano una durata più o meno lunga del prodotto. SCOPO DELL’INVENZIONE: Scopo dell'invenzione è la realizzazione di una pressa di saldatura che consenta di applicare maggiore potenza alle ganasce di saldatura, senza meccanismi o strutture sopra i contenitori da saldare in modo da consentire la massima pulizia. Il dispositivo oggetto della presente invenzione, presenta i seguenti vantaggi: facilità di regolazione: tutte le viti necessarie alla regolazione delle ganasce di saldatura sono facilmente raggiungìbili dall'alto. Potenza: le ganasce dì saldatura sono montate su bracci indipendenti, e azionate a coppie da un meccanismo a ginocchiera la cui potenza è regolabile per ogni singola coppia. Pulizia e igienicità: tutti i meccanismi di comando sono posti nella parte inferiore del gruppo saldatura al di sotto del piano di scorrimento delle confezioni, nessun meccanismo opera sopra le confezioni da saldare, garantendo cosi la massima semplicità e igiene. DESCRIZIONE: Il gruppo di saldatura (Tav-_1), e costituito da : un supporto (2) che viene fissato al piano della macchina (3) due o più coppie bracci (4), sui quali sono fissate le ganasce di saldatura (6) e che sono incernierati sugli attacchi (5) un attuatore scorrevole (7) sul quale sono calettati dei biscotti attuatori (8) i perni di spinta registrabili (9) con molle (10) il sistema di comando (11). FUNZIONAMENTO: I contenitori da saldare (12) sono posizionati dal sistema di trasporto della macchina in corrispondenza del gruppo di saldatura (6), il sistema di comando (11), che può essere azionato, meccanicamente, pneumaticamente, o tramite un servomotore, tira verso il basso Tattuatore (7) i biscotti (8) e i perni (15 ) spingono i bracci (4) verso feste rno (Tav_2B); le ganasce (6) poste alFaltra estremità dei braccio (04) si chiudono avvicinando i lembi superiori (22) del contenitore fino a farli combaciare tra di loro (Tav_2B) continuando la corsa, i biscotti (8) contrapposti ai perni (9) lavorando con un effetto ginocchiera (Tav_1) comprimono le molle dei perni (10) in questo modo consentono di applicare nel punto di incontro delle ganasce (Tav_2B) una elevatissima potenza, regolabile tramite le molle (10) in grado di assicurare una eccezionale sicurezza di saldatura anche in presenza di forti differenze di spessore nel materiale del contenitore. A saldatura avvenuta, fattuatore (7) viene spinto nella posizione di partenza (Tav_2A) aprendo i biscotti (8) e conseguentemente i bracci (4) il sistema di trasporto sposta i contenitori saldati (17) su una stazione successiva e ne porta in posizione di saldatura dei nuovi da saldare . CURRENT STATE OF THE ART: The invention in question is part of the form fili seal packaging machines for food products, including liquid ones, including containers in plasticized cardboard or plastic material, and in particular of devices suitable for welding between them. two or more panels of heat-sealable plastic material or cardboard covered with plastic material. On the market there are various machines and technologies to form, fill and seal packages made from plastic film or cardboard poly-coupled with plastic materials, which allow to obtain containers filled with various products, even liquid, such as fruit juices, milk, wine, and many others. ready for sale to the final consumer. The packaging machines currently on the market usually work according to this technique; they start from a more or less thin plastic film or, from a cardboard coated on both sides with more or less thin plastic material, fold it and weld it longitudinally, forming a tube, equal in size to the perimeter of the final container; subsequently, by means of a transversal welding positioned along the length of the container, they form the bottom and fill it with the product, by means of a subsequent transversal welding they seal the roof, thus obtaining a container of various sizes, more or less long hermetically sealed and ready for the consumer the final. Other techniques start from a container, already cut and punched, welded longitudinally, open it in the packaging machine, fold and seal the bottom, fill it with the product and finally fold and seal the roof to form a sealed package ready for consumption. There are various ways of welding and sealing the aforementioned containers, for example: hot bar, cold seal, pulse, hot air, high frequency, ultrasonic, magnetic induction, hot glue, and many others; Normally, devices equipped with two or more arms equipped with jaws are used, which firmly compress the panels of the package together in order to cool the plastic material of the container previously brought to melting temperature. This type of welding is quite easy with uniform and thin thicknesses of the materials to be welded, for example plastic films, but it requires considerable power, in the presence of one or more overlapping panels, as happens for example, in the folds of a poly cardboard container. - coupled. Great importance is attached to the perfect sealing and sealing of the package, both by the product packer, who must present his product in the most attractive way possible, and by the final consumer who demands a perfectly sealed container to have the maximum guarantee that the product retain all its organoleptic properties, until the expiration date. For this reason, in all packaging machines, the sealing systems are of fundamental importance; to perform good welds, however, very solid and bulky structures are required which sometimes limit access for cleaning or maintenance. In machines that pack fresh products, cleanliness and simplicity are important, but machines that pack long-life products are becoming more and more widespread in the market, where the simplicity of cleaning and the maintenance of safe hygienic conditions, during packaging and sealing. of the welds determine a shorter or longer duration of the product. PURPOSE OF THE INVENTION: The purpose of the invention is to produce a welding press that allows you to apply greater power to the welding jaws, without mechanisms or structures above the containers to be welded in order to allow maximum cleaning. The device object of the present invention has the following advantages: ease of adjustment: all the screws necessary for adjusting the welding jaws are easily accessible from above. Power: the welding jaws are mounted on independent arms, and operated in pairs by a toggle mechanism whose power is adjustable for each single pair. Cleanliness and hygiene: all the control mechanisms are placed in the lower part of the sealing unit below the sliding surface of the packages, no mechanism operates above the packages to be sealed, thus ensuring maximum simplicity and hygiene. DESCRIPTION: The welding unit (Tav-_1), consists of: a support (2) which is fixed to the machine plane (3) two or more pairs of arms (4), on which the welding jaws are fixed (6 ) and that a sliding actuator (7) on which actuator biscuits (8) the adjustable thrust pins (9) with springs (10) the control system (11) are keyed on the attachments (5). OPERATION: The containers to be welded (12) are positioned by the transport system of the machine in correspondence with the welding group (6), the control system (11), which can be operated mechanically, pneumatically, or by means of a servomotor, pulls the actuator (7) the biscuits (8) and the pins (15) push the arms (4) towards the bottom (Tav_2B); the jaws (6) placed at the other end of the arm (04) close by approaching the upper flaps (22) of the container until they match each other (Tav_2B) continuing the stroke, the biscuits (8) opposed to the pins (9) working with a toggle effect (Tav_1) they compress the springs of the pins (10) in this way they allow to apply a very high power to the jaws meeting point (Tav_2B), adjustable by means of the springs (10) able to ensure exceptional welding safety even in the presence of strong differences in thickness in the material of the container. After welding, the actuator (7) is pushed into the starting position (Tav_2A) by opening the biscuits (8) and consequently the arms (4) the transport system moves the welded containers (17) to a subsequent station and brings them into position of the new ones to be welded.

Claims (5)

RIVENDICAZIONI 1. Sistema di pressa saldante caratterizzata da un azionamento a ginocchiera con potenza regolabile indipendentemente su ogni coppia di bracci . CLAIMS 1. Soldering press system characterized by a toggle drive with independently adjustable power on each pair of arms. 2. Sistema di pressa saldante secondo rivendicazione 1 caratterizzato da una o più coppie di bracci sui quali sono fissate le ganasce di saldatura e dal lato opposto azionati tramite bielle contrapposte . 2. Welding press system according to claim 1 characterized by one or more pairs of arms on which the welding jaws are fixed and on the opposite side operated by opposing connecting rods. 3. Sistema di pressa saldante secondo rivendicazione 1 caratterizzato da bielle azionate da uno o più attuatori scorrevoli posti al centro in modo da ottenere una trasmissione della forza col sistema a ginocchiera . 3. Welding press system according to claim 1 characterized by connecting rods operated by one or more sliding actuators placed in the center so as to obtain a transmission of force with the toggle system. 4. Sistema di pressa saldante secondo rivendicazione 1 caratterizzato da perni portanti molle precaricate regolabili in modo da consentire l’aumento o la diminuzione della forza di saldatura in modo indipendente su ogni singola coppia di bracci . 4. Welding press system according to claim 1 characterized by adjustable preloaded spring bearing pins so as to allow the welding force to be increased or decreased independently on each single pair of arms. 5. Sistema di pressa saldante secondo rivendicazione 3 caratterizzato da una sistema di trazione applicata da movimento meccanico o servomotore sull'attuatore scorrevole delle bielle .5. Welding press system according to claim 3 characterized by a traction system applied by mechanical movement or servomotor on the sliding actuator of the connecting rods.
IT000161A 2010-12-07 2010-12-07 KNEE OPERATED SEALING PRESS SYSTEM WITH INDEPENDENT ADJUSTABLE POWER ON EVERY PAIR OF ARMS. ITTV20100161A1 (en)

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IT000161A ITTV20100161A1 (en) 2010-12-07 2010-12-07 KNEE OPERATED SEALING PRESS SYSTEM WITH INDEPENDENT ADJUSTABLE POWER ON EVERY PAIR OF ARMS.

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IT000161A ITTV20100161A1 (en) 2010-12-07 2010-12-07 KNEE OPERATED SEALING PRESS SYSTEM WITH INDEPENDENT ADJUSTABLE POWER ON EVERY PAIR OF ARMS.

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535848A (en) * 1968-10-17 1970-10-27 Fmc Corp Carton sealing apparatus
JPH02205505A (en) * 1989-01-26 1990-08-15 Shikoku Kakoki Co Ltd Container top sealing device
JPH07125717A (en) * 1993-09-03 1995-05-16 Sakae Matsuyama Sandwich packaging apparatus
JPH09142441A (en) * 1995-11-22 1997-06-03 Dainippon Printing Co Ltd Top sealing method for paper container for liquid
US20070130892A1 (en) * 2005-12-14 2007-06-14 Kreher Cletus E Carton top sealer apparatus and method
US20080276576A1 (en) * 2007-05-08 2008-11-13 Tetra Laval Holdings & Finance S.A. Universal top sealing system for gable top package

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535848A (en) * 1968-10-17 1970-10-27 Fmc Corp Carton sealing apparatus
JPH02205505A (en) * 1989-01-26 1990-08-15 Shikoku Kakoki Co Ltd Container top sealing device
JPH07125717A (en) * 1993-09-03 1995-05-16 Sakae Matsuyama Sandwich packaging apparatus
JPH09142441A (en) * 1995-11-22 1997-06-03 Dainippon Printing Co Ltd Top sealing method for paper container for liquid
US20070130892A1 (en) * 2005-12-14 2007-06-14 Kreher Cletus E Carton top sealer apparatus and method
US20080276576A1 (en) * 2007-05-08 2008-11-13 Tetra Laval Holdings & Finance S.A. Universal top sealing system for gable top package

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