EP4273055B1 - Structure pour machine d'emballage - Google Patents

Structure pour machine d'emballage Download PDF

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Publication number
EP4273055B1
EP4273055B1 EP23163543.4A EP23163543A EP4273055B1 EP 4273055 B1 EP4273055 B1 EP 4273055B1 EP 23163543 A EP23163543 A EP 23163543A EP 4273055 B1 EP4273055 B1 EP 4273055B1
Authority
EP
European Patent Office
Prior art keywords
columns
wrapping machine
beams
branch
machine according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP23163543.4A
Other languages
German (de)
English (en)
Other versions
EP4273055A1 (fr
Inventor
Valentín Rubio Casalta
Roberto Bereber Goiricelaya
Luis Miguel López Carrillo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aranguren Comercial del Embalaje SL
Original Assignee
Aranguren Comercial del Embalaje SL
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 Aranguren Comercial del Embalaje SL filed Critical Aranguren Comercial del Embalaje SL
Publication of EP4273055A1 publication Critical patent/EP4273055A1/fr
Application granted granted Critical
Publication of EP4273055B1 publication Critical patent/EP4273055B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B11/00—Wrapping, e.g. partially or wholly enclosing, articles or quantities of material, in strips, sheets or blanks, of flexible material
    • B65B11/02—Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders
    • B65B11/025—Wrapping articles or quantities of material, without changing their position during the wrapping operation, e.g. in moulds with hinged folders by webs revolving around stationary articles
    • 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
    • B65B2210/00—Specific aspects of the packaging machine
    • B65B2210/14—Details of wrapping machines with web dispensers for application of a continuous web in layers onto the articles
    • B65B2210/20—Details of wrapping machines with web dispensers for application of a continuous web in layers onto the articles the web dispenser being mounted on a rotary arm

Definitions

  • the invention as its name indicates relates to a structure for a rotating-arm wrapping machine that, being light, is reinforced in such a way as to allow supporting film reels of greater weight and size, thus minimising the machine's downtimes due to reel change.
  • the structure comprises a series of elements arranged and joined together in such a way as to keep the assembly stabilised and prevent torsion and bending when the inertial forces present during wrapping, especially due to the movement of the reel, act on it.
  • the technical field to which the invention belongs is that of transportable and wrapping machinery.
  • the applicant's own patent ES2341209 relates to a wrapping machine that incorporates a reel carriage that has a system for supplying and tensioning the packaging material comprising a device that integrates an adherent-surface roller engaged to an adjustable brake, both elements being arranged on a plate fixed to the reel carriage.
  • the applicant's own patent EP2258652 relates to a pallet truck machine that travels moved by the force of an electric motor, which has been provided with additional feeding elements that, together with other means that are incorporated, improve its stability in such a way that the improvement of stability and the addition of feeding elements make it possible to join thereto, through the appropriate anchorings, functional elements that require electric power such as a wrapping device.
  • Utility model ES1013952U relates to a rotating-arm wrapping machine and fixed structure with an inverted L-shape wherein the rotating arm has at one end thereof a reel carriage and wherein the carriage drive motor is arranged at the base of the fixed structure.
  • the invention relates to a light structure for a wrapping machine of those comprising a rotating arm, which allows the reel carriage to support reels of film of greater capacity, i.e. of greater film length and, therefore, of greater weight and volume.
  • the invention is preferably applied to mobile wrapping machines, of those arranged on pallet trucks, since in these the greatest advantage supposes a light structure and, moreover, those that have greater stability requirements so that the reduction of the torque results in greater stability.
  • the structure comprises:
  • the structure comprises a series of reticular elements interconnectable with each other and with other elements such as tensioners, closing pieces, or shafts among others.
  • These reticular elements suitable for the formation of structures, are known in the sector as "truss", which will be used herein in the indicated sense.
  • the structure has two tie rods that join the base of the structure with the outer branch.
  • the tie rods form an angle with respect to the columns, so that the vertical component pre-compresses the columns to reduce the tensile stresses, and the horizontal component to reduce the bending stress forward (with the arm extended) and to a lesser extent rearward, since the torsion is a composition of traction and bending.
  • the tensioners that are solidly joined to the ascending columns prevent the lateral torsion of the outer branch especially during the wrapping cycle by orbiting the reel carriage projecting laterally and generating a strong inertial tension.
  • the invention relates to a light structure suitable for anchoring to a pallet truck.
  • This structure resolves the problem of being able to increase the capacity of the film reels in a wrapping machine in such a way as to decrease the downtimes of the machine and the requirements of human intervention due to reel replacement.
  • the structure must be light so as not to overload the pallet truck that transports it but at the same time must be able to resist without torsion the inertial forces generated by the rotating arm of the wrapping machine during its rotational movement, both laterally and anteroposteriorly, taking into account the increase in weight of the reel as its load increases.
  • the structure comprises:
  • the inner branch (11) loaded with the film reel, rotates on the shaft housed in the bushing (13) generating high inertial forces that must be supported by the structure of the machine, especially by the outer branch.
  • the pre-compression tie rods (9) are arranged at an angle to the columns and exert a vertical pre-compression force on them to reduce the tensile stresses and a horizontal force to reduce the forward bending stress, especially when the rotating inner branch is fully deployed.
  • the vertical columns parallel to each other, generate a solid block avoiding lateral torsion at the times of inertia wherein the reel is in its travel by one of the sides of the machine.
  • a tensioner (12) is incorporated between the ascending columns in such a way that both columns are stiffened with a common behaviour.
  • the bracket (14) also acts as a tensioner between the columns and, moreover, as a joining element between the columns (2) and the beams (3).
  • the beams are fixed to the bracket and, together with this, form a triangle whose vertex is a closing piece (7) that joins the beams at their end opposite the bracket.
  • This closing piece houses the shaft that communicates the outer and the inner branch.
  • the triangle shape formed by the beams, the bracket and the closing piece is resistant and the torsion that the inertial force can cause are avoided.
  • the outer branch is made of trusses, assembled with each other and fixed by screws.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Claims (6)

  1. STRUCTURE POUR MACHINE D'EMBALLAGE comprenant une branche extérieure fixe en forme de L inversé (10) et une branche intérieure également en forme de L inversé (11) qui tourne sur un arbre et qui supporte un chariot de bobine, caractérisée en ce que la branche extérieure comprend des colonnes ascendantes (2) avec des tendeurs (12) disposés entre elles, ces colonnes sont jointes au niveau de leur partie supérieure à des poutres (3) par l'intermédiaire d'un support (14), les poutres sont jointes aux colonnes au niveau d'une de leurs extrémités tandis qu'au niveau de leur autre extrémité elles sont solidement jointes par une pièce de fermeture (7) qui supporte la douille (13) de l'arbre sur laquelle la branche intérieure (11) tournera, et entre la branche extérieure et la base se trouve au moins un tirant de précompression (9).
  2. STRUCTURE POUR MACHINE D'EMBALLAGE selon la revendication 1, caractérisée en ce que les colonnes (2) sont verticales et parallèles les unes aux autres.
  3. STRUCTURE POUR MACHINE D'EMBALLAGE selon la revendication 1, caractérisée en ce que les poutres (3) sont convergentes et forment avec le support (14) et la pièce de fermeture (7) un triangle dont le sommet est la pièce de fermeture.
  4. STRUCTURE POUR MACHINE D'EMBALLAGE selon la revendication 1, caractérisée en ce que l'au moins un tirant de précompression (9) est agencé selon un certain angle par rapport aux colonnes et exerce une force verticale de précompression sur celles-ci.
  5. STRUCTURE POUR MACHINE D'EMBALLAGE selon la revendication 1, caractérisée en ce que la branche extérieure comprend une pluralité d'éléments réticulaires.
  6. STRUCTURE POUR MACHINE D'EMBALLAGE selon la revendication 5, caractérisée en ce que les éléments réticulaires sont des fermes.
EP23163543.4A 2022-03-24 2023-03-22 Structure pour machine d'emballage Active EP4273055B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES202230500U ES1290845Y (es) 2022-03-24 2022-03-24 Estructura para maquina enfardadora

Publications (2)

Publication Number Publication Date
EP4273055A1 EP4273055A1 (fr) 2023-11-08
EP4273055B1 true EP4273055B1 (fr) 2025-01-29

Family

ID=81652886

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23163543.4A Active EP4273055B1 (fr) 2022-03-24 2023-03-22 Structure pour machine d'emballage

Country Status (3)

Country Link
EP (1) EP4273055B1 (fr)
ES (2) ES1290845Y (fr)
PT (1) PT4273055T (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES1013952Y (es) 1990-05-18 1992-01-01 Serpack, S.A. Enfardadora de brazo giratorio.
US5423163A (en) * 1993-08-23 1995-06-13 Iron Eagle, Inc. Free standing pallet wrapping apparatus
ES2341209B1 (es) 2008-07-22 2011-05-11 Aranguren Comercial Del Embalaje, S.L. Maquina enfardadora.
ES1070429Y (es) 2009-06-01 2009-11-16 Aranguren Com Del Embalaje S L Traspaleta mejorada
ES1138807Y (es) * 2015-04-14 2015-07-28 Aranguren Com Del Embalaje S L Maquina envolvedora apiladora transportable

Also Published As

Publication number Publication date
PT4273055T (pt) 2025-04-29
EP4273055A1 (fr) 2023-11-08
ES1290845U (es) 2022-05-23
ES3033815T3 (en) 2025-08-08
ES1290845Y (es) 2022-08-24

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