EP0781707B1 - Dispositif de scellement transversal pour une machine verticale de fabrication, de remplissage et de fermeture de sacs - Google Patents

Dispositif de scellement transversal pour une machine verticale de fabrication, de remplissage et de fermeture de sacs Download PDF

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Publication number
EP0781707B1
EP0781707B1 EP96120146A EP96120146A EP0781707B1 EP 0781707 B1 EP0781707 B1 EP 0781707B1 EP 96120146 A EP96120146 A EP 96120146A EP 96120146 A EP96120146 A EP 96120146A EP 0781707 B1 EP0781707 B1 EP 0781707B1
Authority
EP
European Patent Office
Prior art keywords
unit
upper cross
cross weld
weld seam
producing
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.)
Expired - Lifetime
Application number
EP96120146A
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German (de)
English (en)
Other versions
EP0781707A1 (fr
Inventor
Manfred Hauers
Dieter Vits
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Individual
Original Assignee
Individual
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.)
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Publication date
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Publication of EP0781707A1 publication Critical patent/EP0781707A1/fr
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Publication of EP0781707B1 publication Critical patent/EP0781707B1/fr
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Expired - Lifetime legal-status Critical Current

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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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/2042—Means for altering the cross-section of the tube filling opening prior to transversal sealing, e.g. tube spreading devices
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/2049—Package shaping devices acting on filled tubes prior to sealing the filling opening
    • 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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/213—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles the web having intermittent motion

Definitions

  • the present invention relates to a vertical tubular bag machine with the characteristics of the generic terms of claims 1 and 11.
  • the fill tube can be round or rectangular.
  • welding used here is intended to mean both Welding as well as sealing the enveloping material, with both a continuous seam and with interrupted seam.
  • Commercially available envelopes come and common films for use, for example polypropylene, Polyethylene, aluminum combinations, paper and others Multi-layer films in a wide variety of bag formats can be processed.
  • Welding devices can be corresponding folding devices, Air extractors or other elements, for example Knives may be provided.
  • the invention has for its object a vertical To create tubular bag machine of the specified type with the tubular bag can be produced in a particularly simple manner are the smallest possible air space above the product surface exhibit.
  • the solution according to the invention is therefore based on the principle that the filled, not yet with the upper cross weld provided tubular bag together with the unit for generation the upper cross weld relative to the filling pipe and raised to the unit for generating the lower cross weld around the envelope forming the tubular bag to relax and in the area of the upper cross weld arrange more enveloping material so that the enveloping material in the essentially stress-free from the unit to the generation the upper cross weld (welding or sealing jaws) can be guided radially inwards. Because in this area enough material is available, the Fold the wrapper tightly onto the product surface so that almost no air space remains above the product surface.
  • the upper cross weld seam can therefore be special in one short distance from the product surface become.
  • the unit for generating the upper cross weld must be located relatively close to the product surface, around a close-fitting fold in this area to reach the cross weld seam attached to the product surface.
  • This embodiment is therefore essentially suitable only for machines where almost always the same Filling level can be ensured, which at relative dimensionally stable filling materials and / or very precisely working Machines is the case.
  • the unit for creating the upper cross weld approaches the side of the tubular bag and the Envelope coming from the side over the product surface sets. With filling levels of different heights problems can occur.
  • the The lifting device is the rule for practical use and the unit for producing the upper cross weld driven and / or controlled so that the unit only raised over part of the lifting distance of the lifting device becomes.
  • this embodiment takes place during the lifting movement of the filled tubular bag a relative movement between the product surface and the unit for generating the upper cross weld in Vertical direction instead.
  • the speed of the lifting device executed lifting movement is greater than that of the unit for producing the upper cross weld, because the lifting device covers a longer distance.
  • the unit to create the upper cross weld in the lower Position of the lifting device and the unit at a distance must be arranged above the product surface so that in the upper end position is the unit for generating the upper Cross weld seam lies close to the product surface.
  • the unit for generation is thus eliminated the upper cross weld from above against the Product surface, since it is also during the lifting movement moved radially inward.
  • the wrapper can therefore be almost ideally be folded inward with absolutely no tension.
  • a solution in which the lifting device is particularly preferred is raised over a distance that is the width of the tubular bag.
  • This solution can work for both of the cases shown above apply. in the the former case then becomes the unit for generation the upper cross weld over a distance that corresponds to the width of the tubular bag. In the second case becomes the unit for creating the upper cross weld preferably raised over a distance that is half Corresponds to the width of the tubular bag. It has already been mentioned that the unit for generating the upper cross weld preferably so driven and / or controlled is that they move radially inward during the upward movement emotional.
  • the unit for creating the upper cross weld At the conclusion of the upward movement of the lifting device and the unit for producing the upper cross weld has the unit for creating the upper cross weld also reached its end point of inward movement, so that the folding process of the filler is completed and the cross weld can be created.
  • the two welding or sealing jaws of the Then have a unit for generating the upper cross weld reaches its most radially inner point and can weld the two sides of the casing together or seal.
  • the unit for generating the upper cross weld can be designed as a pure welding or sealing device and pork or sealing jaws to produce a continuous Weld or sail seam or to produce a have interrupted seam.
  • the unit is but provided with a suitable folding device, the one or more folding members, for example side butterflies, may include.
  • Such folding organs are known. Hereby there is a perfect fold in the area of the upper cross weld ensured.
  • two cross welds can be arranged one above the other to form a handle.
  • the unit for generation the upper cross weld relative to the lifting device adjustable in height.
  • the unit for generating the upper cross weld seam can through height adjustment, for example depending on a sensor supplied by a level sensor Signal to be adapted to the respective level, around a fold close to the surface of the filling material to reach.
  • This embodiment is essentially like that above described embodiment formed. Deviating is essentially only that instead of moving up and down Unit for generating the upper cross weld seam one up and down movable folding device is provided.
  • the Unit for generating the upper cross weld seam can be used this embodiment in a conventional manner together with the unit for generating the lower cross weld be, i.e. stationary in the vertical direction.
  • Only the folding device is filled together with the Tubular bag raised so that the wrapper in the top Area of the tubular bag without tension on the product surface can be folded.
  • the real top Cross weld seam is then created over the folding device, i.e. in this area the tubular bag has a somewhat longer flag than the one described above Embodiment. However, the air is expelled by folding pressed out this area, so that despite the higher order upper transverse weld seam a relatively dimensionally stable Pack is reached.
  • the folding device itself can preferably have two folding jaws have and be designed like that welding unit described above. However, it can other embodiments of folding devices use Find. It is only essential that the folding device in Connection with the filled tubular bag accordingly is raised.
  • Figure 1 shows the essential parts of a vertical Flow pack machine for the present invention are of interest.
  • a suitable wrapper 2 for example made of polyethylene, is via a feed system, (not shown) placed around a rectangular filling tube 1, so that a hose 3 is formed.
  • a longitudinal seam welding device 5 welds the edges the wrapper together.
  • a unit 6 for producing a lower cross weld (Bottom seam) arranged.
  • This unit has two side butterflies 8 assigned.
  • the unit 6 for generating the lower Cross weld seam has two welding jaws 7, the by a radially inward movement the two Press sides of the hose 3 formed against each other and weld them together. Together with the welding jaws 7 the side folders 8 have moved inwards, so that a perfect conclusion at the bottom of the Tubular bag results.
  • Figure 2 shows the welding jaws 7 in the retracted and the side folder 8 in the retracted state.
  • the filling material is filled into the still open hose 3.
  • the filling device with a suitable weighing device is not shown and does not form part of the present invention represents.
  • FIG. 1 there is a unit 9 for producing the upper transverse weld seam (head seam) under the unit 6 for generating the lower cross weld.
  • the unit 9 also has two radially inwards and outwardly movable welding jaws 10. This unity 9 a side folder 11 is also assigned.
  • both the tubular bag with contents as well as the unit 9 for performing the welding process is a tension-free folding of the Envelope in the upper tubular bag area and a tension-free Welding possible, so that the Envelope as close as possible to the surface of the product bring up. It can therefore be extremely dimensionally stable packs getting produced.
  • Figure 3 shows the operation of the lifting device 12 and the unit 9 for generating the upper cross weld in individual in a first embodiment.
  • the lifting device 12 On the left Side of the figure are the lifting device 12 and the unit shown in the lowest position while on the shown on the right side of the figure in the uppermost position are.
  • the lifting device 12 is provided with the filling material 13 Tubular bag by the distance B, which is the width of the Tubular bag corresponds to.
  • the unit 9 for producing the top cross weld raised by distance B i.e. the one in the figure right and left welding jaws 10 are raised.
  • the embodiment shown in Figure 4 corresponds to essential of that of Figure 3, with the only difference, that here the lifting device 12 and the unit 9th to create the upper cross weld by different Stretch and therefore at different speeds move.
  • the Lifting device 12 as in the embodiment in FIG. 3 by the route B, while the unit 9 is only the Line B / 2 moves.
  • Position of the lifting device 12 and the unit 9 is the Unit 9 at a distance of B / 2 from the product surface arranged. As shown in the right half of Figure 4, this distance is in the uppermost position of the unit 9 and the lifting device 12 almost consumed.
  • the two welding jaws 10 of the unit 9 move during lifting radially inwards into the in the right half of Figure 4 end position shown.
  • the envelope can thus tight to the product surface without tension be adjusted.
  • Figure 5 shows a cross section through the machine in the area the unit for generating the lower cross weld. The two are in the upper half of the figure Welding jaws 7 shown in the closed position, while in the lower half in the open position are shown.
  • a drive device 15 ensures that corresponding transverse movement of the welding jaws 7. You can see further triangular butterfly 8, which in the figure of up and down to move the wrapper in appropriately fold.
  • Figure 6 shows a cross section of the machine in the area of Unit 9 for producing the upper cross weld. Also here are the two welding jaws in the upper area of the figure 10 shown in the closed state while it are shown in the lower area in the open state. One notices also the hanging hose 3 through the Welding jaws 10 are folded radially inwards from both sides becomes. A corresponding drive device 16 ensures the in and out movement of the welding jaws 10. On Side folder 11, which consists of two elements, is also shown.
  • Unit 6 only the lower cross weld seam (bottom seam) of a not yet filled tubular bag. It understands however, that this unit 6 next to this lower Seam (bottom seam) also an upper seam (head seam) of the underneath Manufacture the existing tubular bag as standard can.
  • the unit 6 preferably has two double jaws, the two welding jaws arranged one above the other exhibit. This is in addition to the invention made with the unit 9 upper cross weld a further transverse weld seam arranged above it is produced. There is then a separation between the two by the Double jaws 7 produced cross welds.
  • the unit 6 can only the lower one Cross weld seam (bottom seam) of a not yet filled Tubular bag or this lower cross weld and an additional upper cross weld seam (head seam) one generate the filled tubular bag underneath. This is independent of that generated with the unit 9 upper cross weld or independently of one instead this unit provided folding unit.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Package Closures (AREA)

Claims (12)

  1. Machine verticale de fabrication, de remplissage et de fermeture de sacs comprenant un système d'amenée pour un tissu de gainage formant les sacs, un conduit de remplissage autour duquel le tissu est amené pour former un tuyau flexible et qui sert pour le remplissage de la matière à emballer, un dispositif de scellement longitudinal, un dispositif de scellement vertical pour réaliser un scellement transversal inférieur et un scellement transversal supérieur sur un sac et un dispositif de levage pour le sac rempli qui n'est pas encore pourvu du scellement transversal supérieur, caractérisée en ce que
    a. le dispositif de scellement transversal est divisé en deux unités (6, 9) séparées, indépendantes l'une de l'autre, dont l'une (6) réalise le scellement transversal inférieur et l'autre (9) le scellement transversal supérieur du sac,
    b. l'unité (9) de réalisation du scellement transversal supérieur peut être déplacée vers le haut et vers le bas par rapport à l'unité (6) de réalisation du scellement transversal inférieur, et
    c. le dispositif de levage (12) et l'unité (9) de réalisation du scellement transversal supérieur sont entraínés et / ou pilotés de telle manière que l'unité (9) et le sac rempli sont levés par rapport à l'unité (6) de réalisation du scellement transversal inférieur et par rapport au conduit de remplissage (1) pour la réalisation du scellement transversal supérieur.
  2. Machine selon la revendication 1, caractérisée en ce que le dispositif de levage (12) et l'unité (9) de réalisation du scellement transversal supérieur sont entraínés et / ou pilotés de telle manière que les deux sont levés sur la même distance.
  3. Machine selon la revendication 1, caractérisée en ce que le dispositif de levage (12) et l'unité (9) de réalisation du scellement transversal supérieur sont entraínés et / ou pilotés de telle manière que l'unité (9) n'est levée que sur une partie de la course de levage du dispositif de levage (12).
  4. Machine selon une des revendications précédentes, caractérisée en ce que le dispositif de levage (12) est levé sur une distance qui correspond à la largeur (B) du sac.
  5. Machine selon la revendication 3 ou 4, caractérisée en ce que l'unité (9) de réalisation du scellement transversal supérieur est soulevée sur une distance qui correspond à la moitié de la largeur (B/2) du sac.
  6. Machine selon une des revendications précédentes, caractérisée en ce que l'unité (9) de réalisation du scellement transversal supérieur est pourvue d'un dispositif de pliage (11).
  7. Machine selon une des revendications précédentes, caractérisée en ce que l'unité (9) de réalisation du scellement transversal supérieur est entraínée et / ou pilotée de telle manière qu'elle se déplace vers l'intérieur pendant le mouvement vers le haut.
  8. Machine selon une des revendications précédentes, caractérisée en ce que l'unité (9) de réalisation du scellement transversal supérieur est pourvue d'un dispositif de séparation pour le tissu de gainage.
  9. Machine selon une des revendications précédentes, caractérisée en ce que l'unité (9) de réalisation du scellement transversal supérieur est réglable en hauteur par rapport au dispositif de levage (12).
  10. Machine selon une des revendications précédentes, caractérisée en ce que dans la position inférieure du dispositif de levage (12), l'unité (9) de réalisation du scellement transversal supérieur est disposée à une distance par rapport à la surface de la matière de remplissage qui sera utilisée par le mouvement de levage du dispositif de levage (12) et de l'unité (9).
  11. Machine verticale de fabrication, de remplissage et de fermeture de sacs comprenant un système d'amenée pour un tissu de gainage formant les sacs, un conduit de remplissage autour duquel le tissu est amené pour former un tuyau flexible et qui sert pour le remplissage de la matière à emballer, un dispositif de scellement longitudinal, un dispositif de scellement vertical pour réaliser un scellement transversal inférieur et un scellement transversal supérieur sur un sac et un dispositif de levage pour le sac rempli qui n'est pas encore pourvu du scellement transversal supérieur, caractérisée en ce que
    a. sous le dispositif de scellement transversal, il est prévu un dispositif de plage pour le tissu de gainage dans la région terminale supérieur des sacs,
    b. le dispositif de pliage peut être déplacé vers le haut et vers le bas par rapport à l'unité de réalisation du scellement transversal inférieur, et
    c. le dispositif de levage et le dispositif de pliage sont entraínés et / ou pilotés de telle manière que le dispositif de plage et le sac rempli soient levés pour le pliage du tissu de gainage sur la surface de la matière de remplissage par rapport à l'unité de réalisation des scellements transversaux et par rapport au conduit de remplissage.
  12. Machine selon la revendication 11, caractérisée en ce que le dispositif de pliage présente deux mâchoires de pliage.
EP96120146A 1995-12-21 1996-12-16 Dispositif de scellement transversal pour une machine verticale de fabrication, de remplissage et de fermeture de sacs Expired - Lifetime EP0781707B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19547860 1995-12-21
DE19547860A DE19547860C2 (de) 1995-12-21 1995-12-21 Vertikale Schlauchbeutelmaschine

Publications (2)

Publication Number Publication Date
EP0781707A1 EP0781707A1 (fr) 1997-07-02
EP0781707B1 true EP0781707B1 (fr) 1999-11-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP96120146A Expired - Lifetime EP0781707B1 (fr) 1995-12-21 1996-12-16 Dispositif de scellement transversal pour une machine verticale de fabrication, de remplissage et de fermeture de sacs

Country Status (8)

Country Link
US (1) US5832701A (fr)
EP (1) EP0781707B1 (fr)
JP (1) JPH09295605A (fr)
AU (1) AU708030B2 (fr)
CA (1) CA2193568A1 (fr)
DE (2) DE19547860C2 (fr)
DK (1) DK0781707T3 (fr)
ES (1) ES2141434T3 (fr)

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CN102874421A (zh) * 2012-09-14 2013-01-16 山东新华医疗器械股份有限公司 肩部灌装非pvc膜输液软袋全自动制袋灌封机

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Publication number Priority date Publication date Assignee Title
CN102874421A (zh) * 2012-09-14 2013-01-16 山东新华医疗器械股份有限公司 肩部灌装非pvc膜输液软袋全自动制袋灌封机
CN102874423A (zh) * 2012-10-25 2013-01-16 汕头市宏川工贸有限公司 高速全自动包装机

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DE59603619D1 (de) 1999-12-16
AU708030B2 (en) 1999-07-29
EP0781707A1 (fr) 1997-07-02
AU7531696A (en) 1997-06-26
ES2141434T3 (es) 2000-03-16
JPH09295605A (ja) 1997-11-18
CA2193568A1 (fr) 1997-06-22
DE19547860C2 (de) 1998-07-23
DE19547860A1 (de) 1997-07-03
US5832701A (en) 1998-11-10
DK0781707T3 (da) 2000-05-15

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