EP1857369B1 - Machine de remplissage destinée à remplir des sacs à plis latéraux ouverts et aptes au soudage - Google Patents

Machine de remplissage destinée à remplir des sacs à plis latéraux ouverts et aptes au soudage Download PDF

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Publication number
EP1857369B1
EP1857369B1 EP07107625A EP07107625A EP1857369B1 EP 1857369 B1 EP1857369 B1 EP 1857369B1 EP 07107625 A EP07107625 A EP 07107625A EP 07107625 A EP07107625 A EP 07107625A EP 1857369 B1 EP1857369 B1 EP 1857369B1
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EP
European Patent Office
Prior art keywords
spreading
filling machine
machine according
jaws
guide
Prior art date
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Application number
EP07107625A
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German (de)
English (en)
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EP1857369A2 (fr
EP1857369A3 (fr
Inventor
Heinz RÜLKER
Heinz-Peter Felling
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.)
Haver and Boecker OHG
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Haver and Boecker OHG
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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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/54—Means for supporting containers or receptacles during the filling operation
    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/30—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers engaging opposed walls, e.g. suction-operated
    • 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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/46—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers
    • B65B43/465—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using grippers for bags

Definitions

  • the invention relates to a filling machine according to the preamble of claim 1.
  • the corner welds usually extend at an angle of 45 ° to the longitudinal edges of a gusseted bag.
  • the corner weld seams assigned to the filling opening are also produced in the course of assembling the sacks. As a result, only the area between the corner welds is available for the filling opening.
  • the gussets remain closed, that is, the layers of material are close together.
  • a generic filling machine is from the US 2004/0060266 known.
  • the invention has for its object to design a filling machine of the type described in more detail so that in a structurally simple manner and with known from the industry components perfectly tight welds can be made after filling the gusseted bags.
  • the spreading and aligning jaws are movable in such a way along arcuate paths and now adapted to the inevitably resulting forms of gusseted bags that spread between the Ecksch spanältten opening is stretched or straightened and erect when the spreading and alignment jaws of both sides are moved away from each other so that tensile forces act on the areas of the welds, effectively preventing the formation of wrinkles.
  • the guide rods are designed so that a sufficient spread of the filling opening is ensured by the applied tensile stresses after removal
  • the spreading and alignment jaws of each side are mounted between two guide rods. This avoids hiding or tilting.
  • the guide rods on both sides must be moved synchronously, i. E. moved towards each other and moved away from each other. It is therefore preferably provided that the drive of the guide linkage is synchronized on one side with that of the guide linkage on the other side.
  • each guide linkage is designed as a multi-link chain, and that the spreading and Ausrichtgreifern remote from the ends of the guide lever of the multi-joint chains are pivotable about stationary axes.
  • the multi-link chains offer numerous design options with regard to the course of the arcuate paths.
  • they are composed of simple components, such as guide arm and guide lever, so that the design can work constructively simple and reliable.
  • the spreading and aligning jaws are movable in such a way along arcuate paths and now adapted to the inevitably resulting forms of gusseted bags that the opening lying between the Ecksch spanähten is spread or straightened and erected when the spreading and alignment of both sides are moved away from each other so that tensile forces act on the areas of the welds, effectively preventing the formation of wrinkles.
  • the guide rods are designed so that a sufficient spread of the filling opening is ensured by the applied tensile stresses after removal.
  • the spreading and alignment jaws of each side are mounted between two guide rods. This avoids jamming or tilting.
  • the guide rods on both sides must be moved synchronously, i. E. moved towards each other and moved away from each other. It is therefore preferably provided that the drive of the guide linkage is synchronized on one side with that of the guide linkage on the other side.
  • each guide linkage is designed as a multi-link chain, and that the spreading and Ausrichtgreifern remote from the ends of the guide lever of the multi-joint chains are pivotable about stationary axes.
  • the multi-link chains offer numerous design options with regard to the course of the arcuate paths.
  • they are composed of simple components, such as guide arm and guide lever, so that the design can work constructively simple and reliable.
  • the spreader and Ausrichtbacken facing ends of the multi-joint chains are hinged to a jaw receiving, on which the spreading and alignment jaws are pivotally mounted.
  • Each jaw holder therefore transmits the movement to the spreading and alignment jaws.
  • two bolts are used in each gripper receiving, on which the spreading and alignment jaws are pivotally mounted. To open the spreading and alignment jaws perform these opposite pivoting movements while they run towards each other during the closing movement.
  • Each gripper receptacle forms the coupling of the multi-joint chain.
  • each multi-link chain consists of a parallelogram-like four-link chain, that is, two guide levers.
  • the guide levers of each four-bar chain are in inclined positions relative to one another, i.e. during the movement of the spreading and aligning jaws they also perform a tilting movement. It is therefore provided that the distance between two coupling-side articulation points of the guide lever is greater than the distance of two stationary bolts.
  • the spreading and alignment jaws are inclined according to the solution of claim 2 in the contracted position against the vertical, wherein the distance of the free ends of the spreading and alignment jaws may also be less than in the spread position.
  • the mutually facing ends of the spreading and alignment jaws are deeper in the closed position than the arranged on the jaw seats ends.
  • the spreading and aligning jaws are moved away from one another and are horizontal in the end position in this embodiment.
  • the path of the spreading and aligning jaws of the conical shape of the gusseted bag can be adapted to the filler neck, it is provided that the distances of stationary or movable pivot points are adjustable in order to adapt the arcuate path of the spreading and alignment jaws to the conical shape the bag on the filler neck to adjust the inclination of the guide lever to each other.
  • the invention also provides the method of claim 14.
  • the Indian FIG. 1 illustrated gusseted bag 1 is made of a weldable material.
  • the gusseted bag 1 consists of a plastic film.
  • the corner welds 3, 4 are created in the four corner regions, which, based on the flat laid state of the gusseted bag 1, extend at an angle of 45 ° to the longitudinal edges. They extend across the width of the gussets.
  • the sealing seam 2 serving for the closure is produced by means of a welding device, which is at a distance to the upper bag edge lies.
  • the weld 2 also extends over the region of the gussets.
  • FIG. 2 shows the spreading and alignment jaws 5, 6, which are associated with the left side of the gusseted bag 1.
  • the right side of the gusseted bag 1 associated spreading and alignment jaws are mounted in mirror image.
  • the spreading and alignment jaws 5, 6 are pivotable about bolts 7, 8.
  • In the FIG. 2 is the closed position of the spreading and alignment jaws 5, 6 shown, in which they according to the Figures 3 and 4 Detect the gusseted bag 1 in the area of a gusset.
  • the bolts 7, 8 are inserted into a jaw receptacle 14.
  • This jaw receptacle is suspended on two lateral multi-joint chains, which are formed in the illustrated embodiment as a parallelogram-like four-bar links.
  • the jaw receptacle 14 is suspended on one side on guide levers 9, 10, and the other side is suspended on guide levers 11, 12.
  • This four-bar chain is actuated by a single piston-cylinder unit 13.
  • the ends of the guide levers 9-12 facing away from the spreading and alignment jaws 5, 6 or the jaw receptacle 14 are mounted on stationary bolts. Also in Fig. 2 to recognize a drive 18 (eg pneumatic) for the spreading and alignment jaws 5, 6th
  • FIG. 3 shows the spreading and alignment jaws 5, 6, the jaw seats 14 and the guide rods in the retracted position.
  • the spreading and alignment jaws 5, 6 have been moved towards each other.
  • not yet filled gusseted bag 1 at least in the upper region has a conical shape, while in the lower region, the bag walls are still together.
  • the guide rods are pivoted by appropriate controls of the piston-cylinder units 13, so that the spreading and alignment jaws 5, 6 move apart, ie, the distance is increased, at the same time the spreading and alignment jaws in this step about the hinge points 16, 17 of the guide rod 9, 10, 11, 12 tilted.
  • the spreading and alignment jaws 5, 6 thus describe each arcuate paths, which are indicated schematically by the arrows P 1 and P2.
  • the (imaginary) pivot axes of these tracks are vertically below the arcuate tracks themselves or lower than this.
  • all hinge points 16, 17 of the guide linkage advantageously lie vertically lower than the spreading and aligning jaws 5, 6, which are held in the jaw receptacle 14.
  • the vertical is in the Fig. 3 defined by the indicated center line of the bag 1.
  • the gripped sacks S and S2 are moved in the same way, i. pulled apart and upwards on the respective arcuate path.
  • the respective arcuate path of the spreading and alignment jaws 5, 6 of the conical shape of the bag can be adapted to the filler neck.
  • the filling machine is equipped with fixed stops 15, which are fixed to bolts, so that they are adjustable.
  • the filler neck on an arcuate path movable spreading and alignment jaws 5, 6 are assigned, which are moved after removing the filled bag from the filler under enlargement of their distance to the outside, so that the area in which the weld 2 is to be tensioned, so that no leading to a leak wrinkles.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Bag Frames (AREA)
  • Package Closures (AREA)

Claims (13)

  1. Machine de remplissage destinée à remplir des sacs à plis latéraux (1) ouverts et aptes au soudage, qui sont pourvus dans les zones d'angle de cordons de soudure d'angle (3, 4), avec une tubulure de remplissage et de préférence un dispositif de soudage monté en aval de la tubulure de remplissage pour l'application de cordons de soudure (2), la machine de remplissage étant équipée de mâchoires d'écartement et d'alignement (5, 6) disposées par paires, saisissant les sacs à plis latéraux (1) dans les zones de plis latéraux, lesquelles sont disposées en particulier sur des tiges de guidage (9, 10, 11, 12) de telle manière qu'elles puissent se déplacer le long de voies en forme d'arc de sorte que les zones (B1, B2) des mâchoires d'écartement et d'alignement (5, 6), dans lesquelles les mâchoires d'écartement et d'alignement (5, 6) saisissent le sac (1), soient pivotées vers l'extérieur sur les voies en forme d'arc et simultanément vers le haut, les axes de pivotement de ces voies se trouvant verticalement au-dessus des voies en forme d'arc, caractérisée en ce que
    a. les mâchoires d'écartement et d'alignement (5, 6) sont inclinées dans une position de mise en marche contre la verticale,
    b. les extrémités tournées l'une vers l'autre des mâchoires d'écartement et d'alignement dans la position fermée sont plus basses que les extrémités disposées sur les logements de mâchoires (14) et
    c. les mâchoires d'écartement et d'alignement (5, 6) sont horizontales dans la position éloignée l'une de l'autre.
  2. Machine de remplissage selon la revendication 1, caractérisée en ce que des points d'articulation (16) plus bas au moins dans le sens vertical de la tige de guidage se trouvent dans le sens vertical plus bas que les mâchoires d'écartement et d'alignement (5, 6).
  3. Machine de remplissage selon la revendication 2, caractérisée en ce que tous les points d'articulation (16) de la tige de guidage sont dans le sens vertical plus bas que les mâchoires d'écartement et d'alignement (5, 6).
  4. Machine de remplissage selon l'une quelconque des revendications précédentes, caractérisée en ce que les mâchoires d'écartement et d'alignement (5, 6) sont montées de chaque côté entre deux tiges de guidages.
  5. Machine de remplissage selon la revendication 4, caractérisée en ce que les tiges de guidage (9, 10, 11, 12) peuvent être actionnées de chaque côté à l'aide d'un entraînement (13) individuel respectif et en ce que les entraînements (13) des deux côtés sont synchronisés.
  6. Machine de remplissage selon l'une ou plusieurs quelconques des revendications précédentes, caractérisée en ce que chaque tige de guidage est réalisée comme une chaîne à plusieurs articulations, et en ce que les extrémités éloignées des mâchoires d'écartement et d'alignement (5, 6) des leviers de guidage (9, 10, 11, 12) de la chaîne à plusieurs articulations peuvent être pivotées autour d'axes fixes.
  7. Machine de remplissage selon la revendication 6, caractérisée en ce que les extrémités tournées vers les mâchoires d'écartement et d'alignement (5, 6) des leviers de guidage (9, 10, 11, 12) de la chaîne à plusieurs articulations sont articulées à un logement de mâchoire (14).
  8. Machine de remplissage selon l'une ou plusieurs quelconques des revendications 6 ou 7, caractérisée en ce que des boulons (7, 8), sur lesquels sont logées les mâchoires d'écartement et d'alignement (5, 6), sont insérés dans le logement de mâchoire (14) formant la bielle de la chaîne à plusieurs articulations.
  9. Machine de remplissage selon l'une ou plusieurs quelconques des revendications 6 à 8, caractérisée en ce que chaque chaîne à plusieurs articulations est réalisée comme une chaîne à plusieurs articulations de type parallélogramme et en ce que les leviers de guidage (9, 10, 11, 12) sont inclinés les uns par rapport aux autres.
  10. Machine de remplissage selon l'une ou plusieurs quelconques des revendications 7 à 9, caractérisée en ce que les distances entre les points d'articulation côté bielle des leviers de guidage (9, 10, 11, 12) sont supérieures aux distances entre les axes fixes.
  11. Machine de remplissage selon l'une ou plusieurs quelconques des revendications 7 à 10, caractérisée en ce que les distances entre les points d'articulation des leviers de guidage (9, 10, 11, 12) formant la chaîne à plusieurs articulations peuvent être réglées sur le côté tourné et/ou éloigné du logement de mâchoire (14).
  12. Machine de remplissage selon l'une ou plusieurs quelconques des revendications 7 à 11, caractérisée en ce que les distances entre les points d'articulation (16, 17) mobiles ou fixes en fonctionnement peuvent être ajustées afin de régler l'inclinaison des leviers de guidage les uns par rapport aux autres pour l'adaptation de la voie en forme d'arc des mâchoires d'écartement et d'alignement à la forme conique du sac sur la tubulure de remplissage.
  13. Procédé d'écartement d'un sac à plis latéraux avec une machine de remplissage selon l'une quelconque des revendications précédentes, caractérisé en ce que les angles de sac (S1 et S2) saisis sont tirés vers le haut et loin l'un de l'autre sur la voie en forme d'arc, les axes de pivotement de ces voies se trouvant verticalement au-dessous des voies en forme d'arc.
EP07107625A 2006-05-11 2007-05-07 Machine de remplissage destinée à remplir des sacs à plis latéraux ouverts et aptes au soudage Active EP1857369B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006022298 2006-05-11

Publications (3)

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EP1857369A2 EP1857369A2 (fr) 2007-11-21
EP1857369A3 EP1857369A3 (fr) 2008-03-05
EP1857369B1 true EP1857369B1 (fr) 2012-01-25

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EP07107625A Active EP1857369B1 (fr) 2006-05-11 2007-05-07 Machine de remplissage destinée à remplir des sacs à plis latéraux ouverts et aptes au soudage

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EP (1) EP1857369B1 (fr)
AT (1) ATE542747T1 (fr)
ES (1) ES2381502T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021228837A1 (fr) * 2020-05-13 2021-11-18 Haver & Boecker Ohg Dispositif de déplacement et procédé de déplacement

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010049369A1 (de) * 2010-10-26 2012-04-26 Haver & Boecker Ohg Sack und Verfahren zum Füllen eines Sacks
CN109278359B (zh) * 2018-11-14 2023-11-21 温州临界科技有限公司 一种手提袋穿绳机用袋体上料装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK172472B1 (da) * 1994-07-05 1998-09-07 Bates Ventil Saekke Co As Fremgangsmåde og apparat til flytning af en ventilsæk fra en fyldeposition til en lukkeposition samt fyldetud hertil
US5452559A (en) * 1994-08-08 1995-09-26 Lipes; Arnold Bagging machine with side bag gripping and transfer mechanism
US6742321B2 (en) * 2002-09-30 2004-06-01 Gates Automation, Inc. Flange alignment and grasping assembly for bag handling apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021228837A1 (fr) * 2020-05-13 2021-11-18 Haver & Boecker Ohg Dispositif de déplacement et procédé de déplacement

Also Published As

Publication number Publication date
ES2381502T3 (es) 2012-05-28
EP1857369A2 (fr) 2007-11-21
ATE542747T1 (de) 2012-02-15
EP1857369A3 (fr) 2008-03-05

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