BR202013004671U2 - Máquina formadora de fluxo vertical para massa alimenticia ,ou produtos similares,com grupos de soldagem transversal a frio - Google Patents

Máquina formadora de fluxo vertical para massa alimenticia ,ou produtos similares,com grupos de soldagem transversal a frio Download PDF

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Publication number
BR202013004671U2
BR202013004671U2 BR202013004671-5U BR202013004671U BR202013004671U2 BR 202013004671 U2 BR202013004671 U2 BR 202013004671U2 BR 202013004671 U BR202013004671 U BR 202013004671U BR 202013004671 U2 BR202013004671 U2 BR 202013004671U2
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BR
Brazil
Prior art keywords
pair
sonotrodes
anvils
welding
fact
Prior art date
Application number
BR202013004671-5U
Other languages
English (en)
Inventor
Vezzani Paolo
Original Assignee
Altopack S.P.A.
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 Altopack S.P.A. filed Critical Altopack S.P.A.
Publication of BR202013004671U2 publication Critical patent/BR202013004671U2/pt

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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
    • 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
    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21C—MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
    • A21C11/00—Other machines for forming the dough into its final shape before cooking or baking
    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21C—MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
    • A21C7/00—Machines which homogenise the subdivided dough by working other than by kneading
    • 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
    • B29C65/74—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area
    • B29C65/745—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by welding and severing, or by joining and severing, the severing being performed in the area to be joined, next to the area to be joined, in the joint area or next to the joint area using a single unit having both a severing tool and a welding tool
    • 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
    • B29C66/80—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
    • B29C66/8141—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81433—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned
    • B29C66/81435—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned comprising several parallel ridges, e.g. for crimping
    • 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
    • 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
    • B29C66/81457—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 block or layer of deformable material, e.g. sponge, foam, rubber
    • 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
    • B29C66/81469—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 next to the other in a single line transverse to the feed direction, e.g. shoulder to shoulder sonotrodes
    • 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
    • B29C66/8242—Pneumatic or hydraulic drives
    • 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
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B29C66/83221—Joining or pressing tools reciprocating along one axis cooperating reciprocating tools, each tool reciprocating along one axis
    • 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
    • B29C66/8491—Packaging machines welding through a filled container, e.g. tube or bag
    • 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
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/34—Packaging other rod-shaped articles, e.g. sausages, macaroni, spaghetti, drinking straws, welding electrodes
    • 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
    • B65B51/22—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding
    • B65B51/225—Applying or generating heat or pressure or combinations thereof by friction or ultrasonic or high-frequency electrical means, i.e. by friction or ultrasonic or induction welding by ultrasonic welding
    • 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
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • 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
    • B29C66/133—Fin-type joints, the parts to be joined being flexible
    • 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
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • 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
    • B29C66/8141—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81422—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being convex
    • 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
    • B29C66/8141—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Package Closures (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

é descrita uma máquina formadora (1) para massa alimentícia, compreendendo meios de alimentação de um filme (5) contínuo de material plástico com abas (4) laterais dobradas e acostadas entre elas para formar um invólucro tubular (3), um grupo de soldagem longitudinal (2) para realizar a soldagem reciproca de ditas abas (4) de filme (5) dobradas e acostadas e um grupo de soldagem transversal (6), disposto a jusante de dito grupo de soldagem longitudinal (2), para realizar as soldagens transversais e os cortes de dito invólucro tubular (3) para a separação deste em uma sucessão de sacos (7) separados entre eles. dito grupo de soldagem transversal (6) compreendendo um par de sonotrodos (1 o) afrontados lateralmente alimentados por um gerador de ultra-som (11) e de um par contraposto de bigornas (16) de contraposição também estas dispostas de forma lateralmente adjacente, e sendo previstos meios (20) e (25) para comandar a aproximação recíproca do dito par de sonotrodos (10) e do dito par de bigornas (16), de modo que cada um dos ditos sonotrodos (10) e cada uma das ditas bigornas (16) são periodicamente postos em contato para realizar uma soldagem dupla com corte intermediário de dito invólucro tubular (3).

Description

(54) Título: MÁQUINA FORMADORA DE FLUXO VERTICAL PARA MASSA ALIMENTÍCIA ,OU PRODUTOS SIMILARES, COM GRUPOS DE SOLDAGEM TRANSVERSAL A FRIO (51) Int. Cl.: A21C 11/00; A21C 7/00 (52) CPC: A21C 11/00,A21C 7/00 (30) Prioridade Unionista: 27/02/2012 IT MI2012A 000292 (73) Titular(es): ALTOPACK S.P.A.
(72) Inventor(es): PAOLO VEZZANI (74) Procurador(es): ADVOCACIA PIETRO ARIBONI S/C (57) Resumo: É descrita uma máquina formadora (1) para massa alimentícia, compreendendo meios de alimentação de um filme (5) contínuo de material plástico com abas (4) laterais dobradas e acostadas entre elas para formar um invólucro tubular (3), um grupo de soldagem longitudinal (2) para realizar a soldagem reciproca de ditas abas (4) de filme (5) dobradas e acostadas e um grupo de soldagem transversal (6), disposto a jusante de dito grupo de soldagem longitudinal (2), para realizar as soldagens transversais e os cortes de dito invólucro tubular (3) para a separação deste em uma sucessão de sacos (7) separados entre eles. Dito grupo de soldagem transversal (6) compreendendo um par de sonotrodos (1 O) afrontados lateralmente alimentados por um gerador de ultra-som (11) e de um par contraposto de bigornas (16) de contraposição também estas dispostas de forma lateralmente adjacente, e sendo previstos meios (20) e (25) para comandar a aproximação recíproca do dito par de sonotrodos (10) e do dito par de bigornas (16), de modo que cada um dos ditos sonotrodos
Figure BR202013004671U2_D0001
1/4
Máquina formadora de fluxo vertical para massa alimentícia, ou produtos similares, com grupos de soldagem transversal a frio.
A presente invenção se refere a uma máquina formadora de fluxo vertical para massa alimentícia, ou produtos similares, com grupos de soldagem transversal a frio.
São conhecidas as máquinas formadoras e/ou ensacadoras de fluxo vertical para uma massa alimentícia as quais preveem a inserção da massa no interior de um invólucro que está sendo formado, constituído por um filme de material plástico no qual as suas abas laterais são progressivamente dobradas, acostadas/unidas e então soldadas uma com a outra com o objetivo de formar um invólucro tubular. O fechamento de tal invólucro é completado por meio de soldagens transversais reciprocas das duas abas, realizadas antes e após a operação de introdução da massa.
A soldagem longitudinal é normalmente realizada por meio de grupos de soldagem os quais utilizam o calor gerado por uma corrente elétrica que percorre fios elétricos (os ditos eletrodos de soldagem) contrapostos por duas partes do grupo de soldagem, através dos quais passam as duas abas acostadas do filme.
É assim formado um invólucro tubular que é posteriormente fechado e cortado após a dosagem da massa por meio de um grupo de soldagem e corte transversal, o qual realiza duas soldas transversais separadas por um corte, mais uma vez utilizando unicamente o calor gerado por uma corrente elétrica que percorre um par de fios elétricos paralelos e com o posterior auxílio de uma faca de corte interposta entre os dois pares de fios elétricos.
São também conhecidos grupos de soldagem transversais por meio de ultra-som, os quais empregam um gerador de ultra-som ligado a um eletrodo chamada do “sonotrodo”, o qual opera contra uma base fixa chamada de “bigorna” para realizar a soldagem reciproca dos filmes interpostos de material plástico.
O aproveitamento da tecnologia do ultra-som em uma máquina formadora e/ou ensacadora para massa leva ao aproveitamento de características funcionais e estruturais vantajosas, as quais não podem ser usufruídas quando se deve operar com sacos que apresentem dimensões transversais maiores que o normal.
De acordo com a presente invenção, é assim proposta uma máquina formadora para massa alimentícia, compreendendo meios de alimentação de um filme contínuo de material plástico com abas laterais dobradas e acostadas, uma em relação à outra, para formar um invólucro tubular, um grupo de soldagem longitudinal para realizar a soldagem reciproca de ditas abas dobradas e acostadas do filme e um grupo de soldagem transversal disposto à jusante de dito grupo de soldagem longitudinal para realizar as soldagens transversais e o corte de dito invólucro tubular para a
2/4 separação deste em uma sucessão de sacos separados entre eles, caracterizada pelo fato de que o dito grupo de soldagem transversal compreende um par de sonotrodos afrontados lateralmente alimentados por um gerador de ultra-som e de um par contraposto de bigornas de contraposição também estas lateralmente dispostas frente a frente, e são previstos meios para comandar a aproximação recíproca do dito par de sonotrodos e do dito par de bigornas de modo que cada um dos sonotrodos e cada uma das bigornas são periodicamente postos em contato para realizar uma soldagem dupla com corte intermediário de dito invólucro tubular.
Após a geração do ultra-som, os sonotrodos em contato com as bigornas são submetidos a uma sucessão de vibrações, o que determina uma sucessão temporal de contatos térmicos entre os sonotrodos e as bigornas para a dupla soldagem reciproca e o corte das duas abas de filme interpostas.
O emprego de pares de eletrodos frente a frente e de relativas bigornas frente a frente permite realizar a soldagem e o corte de filmes com grandes dimensões para a obtenção de sacos grandes (por exemplo, sacos ou pacotes para 5 Kg, ou mais, de massa com dimensões transversais que podem ser de 150 mm a 420 mm).
As vibrações podem ser eventualmente geradas por meios distintos dos ultra-sons, mas equivalentes e estes, desde que sejam capazes de produzir uma solda fria.
As características da presente invenção serão tornadas evidentes a partir da seguinte descrição detalhada de uma sua forma preferida de realização, ilustrada a título de exemplo nos desenhos em anexo, nos quais:
- a figura 1 mostra uma vista frontal de um exemplo de uma máquina formadora de fluxo vertical para massa alimentícia, ou produtos similares, com grupos de soldagem transversal por ultra-som;
- a figura 2 mostra uma vista em planta de dito grupo de soldagem transversal por ultrasom, na posição aberta;
- a figura 3 mostra o dito grupo de soldagem transversal em corte, de acordo com a linha lll-lll da figura 2;
- a figura 4 mostra uma vista em planta de dito grupo de soldagem transversal em posição fechada;
- a figura 5 mostra o dito grupo de soldagem transversal em corte, segundo a linha V-V da figura 4;
- a figura 6 mostra o dito grupo de soldagem transversal de acordo com a linha VI-VI da figura 2;
- a figura 7 mostra o dito grupo de soldagem transversal em corte, de acordo com a linha
VII-VII da figura 2;
3/4
- a figura 8 mostra esquematicamente uma porção do filme com abas laterais dobradas e soldadas, formando um invólucro tubular;
- a figura 9 mostra uma vista em corte, de acordo com a linha ΙΧ-ΙΧ da figura 8; e
- a figura 10 mostra uma sucessão de sacos para massa alimentícia, ou para produtos similares, produzido em material plástico flexível.
Na figura 1 é mostrada uma máquina formadora e/ou ensacadora 1 de fluxo vertical para massa alimentícia, ou produtos similares, a qual compreende um grupo de soldagem longitudinal 2 o qual é destinado à formação de um invólucro 3 de secção tubular (figuras 8, 9) através da dobra e do acostamento recíproco de abas laterais 4 de um filme 5 contínuo de material plástico flexível. A dita máquina formadora 1 compreende, além disto, um grupo de soldagem transversal 6, por ultra-som, o qual realiza o corte e a soldagem transversal de dito invólucro tubular 3, entre uma dosagem de massa e outra, para a separação da mesma em uma sucessão de sacos 7 (figura 10).
O dito grupo de soldagem transversal 6 (figuras 2-7) compreende um par de suportes móveis contrapostos 8 e 9, os quais são deslocáveis entre uma posição de repouso (figuras 2, 3, 6 e 7) e uma posição de trabalho (figuras 4 e 5). O suporte 8 (figuras 2 e 4) compreende um par de sonotrodos 10, afrontados lateralmente alimentados por respectivos geradores de ultra-som 11 e um quadro de suporte 13 com barras 14 e filetes de borracha 15. O dito par de sonotrodos 10 (figuras 3 e 5) prevê extremidades de contato 21, superior e inferior, separadas por uma cavidade central 12. O suporte 9 (figuras 2 e 4) compreende, ao contrário, um par de bigornas 16 também estas lateralmente adjacentes e um quadro de suporte 18 com barras 19 com serrilhas 24. Dito par de bigornas 16 (figuras 3 e 5) prevê superfícies de contato 22, superior e inferior, contrapostas às extremidades 21 dos sonotrodos 10 e uma faca de corte 17 de modo tal a ficar alojada na cavidade 12.
O movimento dos suportes 8 e 9 (figuras 2 e 4) é realizado por meio de cinematismos 25 que periodicamente levam ao contato, entre eles, as ditas barras 14 com os filetes de borracha 15 e as ditas barras 19 com o serrilhado 24. Por meiõ de cilindros de pressão 20, dispostos no suporte 9, os sonotrodos 10 são então comprimidos contra as bigornas 16 e alimentados de eletricidade pelo gerador de ultrasom 11 para realizar a soldagem.
Em funcionamento, quando os suportes 8 e 9 são colocados em posição de trabalho (figuras 4 e 5), as barras 14 com os filetes de borracha 15 e as barras 19 com o serrilhado 24 são postas em contato para realizar o bloqueio e posicionamento oportunos do invólucro tubular 3 nesta fase de trabalho. Os sonotrodos 10 (figura 5)são então postos em contato com as respectivas bigornas 16 sob a ação dos cilindros de pressão 20, realizando assim a soldagem através das vibrações produzidas
4/4 pelo ultra-som gerados em ditos sonotrodos 10. Na mesma fase, a faca 17 é inserida na cavidade 12 provocando assim um corte intermediário na zona oportuna da solda.
Como resultado deste procedimento obtém-se a transformação de invólucro tubular 3 único em uma sucessão de sacos 7 separados entre eles (figura 8), dos quais o inferior foi precedentemente preenchido de massa (através dos meios de alimentação conhecidos e não ilustrados nas figuras) e o superior será, por sua vez, preenchido após o seu fechamento inferior. Os sacos 7 assim completados são munidos de soldas de extremidade 23, tal como ilustrado na figura 10.
1/1

Claims (5)

  1. Reivindicações
    1. Máquina formadora (1) para massa alimentícia, compreendendo meios de alimentação de um filme (5) contínuo de material plástico com abas (4) laterais dobradas e acostadas entre elas para formar um invólucro tubular (3), um grupo de soldagem longitudinal (2) para realizar a soldagem reciproca de ditas abas (4) de filme (5) dobradas e acostadas e um grupo de soldagem transversal (6), disposto a jusante de dito grupo de soldagem longitudinal (2), para realizar as soídagens transversais e os cortes de dito invólucro tubular (3) para a separação deste em uma sucessão de sacos (7) separados entre eles, caracterizada pelo fato de que o dito grupo de soldagem transversal (6) compreende um par de sonotrodos (10) afrontados lateralmente alimentados por um gerador de ultra-som (11) é.......de um par contraposto de bigornas (16) de contraposição também estas dispostas de forma lateralmente adjacente, e sendo previstos meios (20) e (25) para comandar a aproximação recíproca do dito par de sonotrodos (10) e do dito par de bigornas (16), de modo que cada um dos ditos sonotrodos (10) e cada uma das ditas bigornas (16) são periodicamente postos em contato para realizar uma soldagem dupla com corte intermediário de dito invólucro tubular (3).
  2. 2. Máquina, de acordo com a reivindicação 1, caracterizada pelo fato de que o dito par de sonotrodos (10) prevê extremidades de contato (21), superior e inferior, separadas por uma cavidade central (12), e que o dito par de bigornas (16) prevê superfícies de contato (22), superior e inferior, contrapostas em relação a ditas cavidades (21) dos sonotrodos (10), e uma faca de corte (17) de modo tal a ser alojada na cavidade (21).
  3. 3. Máquina, de acordo com a reivindicação 1, caracterizada pelo fato de que o dito par de sonotrodos (10) e o dito par de bigornas (16) são mantidos por meio de suportes móveis (8, 9) respectivamente dotados de barras de bloqueio (14, 19) cooperantes entre elas em dita posição de contato para o bloqueio e o posicionamento das abas acostadas do invólucro tubular (3).
  4. 4. Máquina, de acordo com a reivindicação 3, caracterizada pelo fato de que as ditas barras de bloqueio (14) prevêém, nas extremidades, filetes de borracha (15).
  5. 5. Máquina, de acordo com a reivindicação 3, caracterizada pelo fato de que as ditas barras de bloqueio (19) prevêem, nas extremidades, serrilhados (24).
    1/7
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US5775055A (en) * 1997-02-21 1998-07-07 Tetra Laval Holdings & Finance, S. A. Ultrasonic sealing anvil
ATE259742T1 (de) * 2001-03-12 2004-03-15 Tetra Laval Holdings & Finance Ultraschallsiegelvorrichtung zum versiegeln von verpackungen mit fliessfähigen nahrungsmitteln
ITBO20050511A1 (it) * 2005-07-29 2005-10-28 Azionaria Costruzioni Acma Spa Dispositivo di saldatura ad ultrasuoni di nastri tubolari continui
EP2283993A3 (de) * 2009-08-05 2012-08-01 Telsonic Holding AG Vorrichtung zum Schweißen von Kopfnähten von Schlauchbeuteln
FR2953200B1 (fr) * 2009-11-27 2013-12-20 Mv 2 Dispositif de fabrication d'empaquetages de conditionnement par ultrason
IT1398320B1 (it) * 2010-02-26 2013-02-22 Altopack Spa Macchina confezionatrice per pasta alimentare lunga o prodotti similari con gruppo di saldatura trasversale ad ultrasuoni.

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