EP0872421B1 - Station de coupe et de transfert pour une machine de traitement de sacs plats opérant de façon intermittente - Google Patents

Station de coupe et de transfert pour une machine de traitement de sacs plats opérant de façon intermittente Download PDF

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Publication number
EP0872421B1
EP0872421B1 EP98104637A EP98104637A EP0872421B1 EP 0872421 B1 EP0872421 B1 EP 0872421B1 EP 98104637 A EP98104637 A EP 98104637A EP 98104637 A EP98104637 A EP 98104637A EP 0872421 B1 EP0872421 B1 EP 0872421B1
Authority
EP
European Patent Office
Prior art keywords
bags
cutting
flat
station
station 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.)
Expired - Lifetime
Application number
EP98104637A
Other languages
German (de)
English (en)
Other versions
EP0872421A1 (fr
Inventor
Manfred Reiser
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.)
Harro Hofliger Verpackungsmaschinen GmbH
Original Assignee
Harro Hofliger Verpackungsmaschinen GmbH
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 Harro Hofliger Verpackungsmaschinen GmbH filed Critical Harro Hofliger Verpackungsmaschinen GmbH
Publication of EP0872421A1 publication Critical patent/EP0872421A1/fr
Application granted granted Critical
Publication of EP0872421B1 publication Critical patent/EP0872421B1/fr
Anticipated expiration legal-status Critical
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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • B65B61/08—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting using rotary cutters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • 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
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/001—Flexible containers made from webs by folding webs longitudinally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2155/00—Flexible containers made from webs
    • B31B2155/001—Flexible containers made from webs by folding webs longitudinally
    • B31B2155/0014—Flexible containers made from webs by folding webs longitudinally having their openings facing transversally to the direction of movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2160/00—Shape of flexible containers
    • B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/14—Cutting, e.g. perforating, punching, slitting or trimming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00—Making flexible containers, e.g. envelopes or bags
    • B31B70/74—Auxiliary operations
    • B31B70/92—Delivering
    • B31B70/94—Delivering singly or in succession

Definitions

  • the invention relates to a cutting and transfer station according to the preamble of claim 1 a clocked working Sachet machine. After section by section of double-layered parts welded into individual bags existing packaging material web will be replaced by the corresponding one Sealing seams on the side and bottom of a sealed pouch Hand over the flat bag machine. The handover of the bags to Flat bag machine is carried out according to the clocked Operation of the flat bag machine also clocked.
  • the Flat bag machine has several arranged one after the other Workstations where the bags are opened, filled and then be closed on the top. In the The bags filled with food can be packed in powdery, in pieces or other consistency.
  • the separation process takes place by a scissor-like Cut by a knife in the area of the sealed seams is made.
  • the bags are gripped by grippers or suction cups and others Grippers that move with the bags in each Run and hand over workstations. In these grabs the pouches are held while in the individual Workstations opened, filled and then closed become.
  • Such a device is of the generic type CH-A-491 001 previously known.
  • Your cutting and transfer station has a transport device downstream of the cutting station, in the individual bag by means of endless revolving conveyor belts gripped by suction and on brought a higher conveying speed to theirs Conveying speed of the circulation speed of the subordinate Adapt flat bag machine.
  • On this transport device are each as a stop for a bag there are several teeth against which the teeth in each the transport device abuts bags that are transported into it and thereby being properly aligned. Then swivel teeth away and give the properly aligned pouch free.
  • the bag is then removed from the endless belts the transport device on an endlessly rotating pair of conveyor belts transported from which the bag then then using two grippers of the flat bag machine is fed.
  • This cutting and transfer station individual bags fed to the flat bag machine.
  • the invention is based on this prior art based on the task of an improved cutting and transfer station of the type mentioned for a flat bag machine to specify with a technically simple way any number of bags in groups, d. H. simultaneously can be fed to a flat bag machine.
  • the A transport device is arranged downstream of the cutting station, from which the bags produced in the cutting station are picked up become.
  • the bags can be placed on the transport device regarding the flat bag machine in mutual correct Alignment.
  • the one in the transport device then correctly aligned bags from the usually existing holding device or gripper arrangement recorded and fed to the flat bag machine become.
  • the isolated bags are therefore before handover for example in the transport gripper trained as a rotary machine in front of the Flat bag machine already correctly aligned with each other positioned as they place in the flat bag machine should find.
  • the correct positioning of the cells in the cutting station Bags on the transport device can be easily Way done in that the transport device accordingly is driven at different speeds.
  • a very simple design of such a transport device is realized by an arbitrarily drivable conveyor belt. If the conveyor belt is designed as a suction belt the bags placed on the conveyor belt can be placed in their respective correct orientation easily maintained and be fixed in position. On the conveyor belt, the Bag then related to their respective transfer position the first workstation, for example as a rotary machine trained flat bag machine are brought.
  • Cutting station only a single cutting device. This can also apply if several bags are clocked in the Flat bag machine to be traded.
  • This one Separating device can be used as a rotary knife or rotary punch or also as a reciprocating cutting knife be trained. The cutting edge of the cutting device must be used during the respective cutting or cutting process at least approximately the speed of those traveling Have packaging material web.
  • Counter roll is formed as a suction roll, can be the same one with a corresponding corrugated, for example Separation line sucked-in waste piece generated by punching and the piece of waste from its further transport with the individual Bags are held. Such a piece of waste is shown as an example in the drawing.
  • the cutting device a Feed roller device for the still inseparable packaging material web vorzuordnen.
  • the transport device can also be motor drives have.
  • the motor drives are on the clock sequence and the mutual spacing of the individual bags matched. If a counter roll is arranged, it is advantageous these are also driven by a motor drive.
  • the packaging material web is advantageously timed Cutting station fed. Be within one bar step a certain number in succession in the cutting station isolated from bags from the packaging material web. This group of individual bags is transported one after the other by a transport device added. The mutual distance between the bags this group in the transport device corresponds to that mutual distance the bags in the flat bag machine should have. A change in the mutual Distance of the bags by the holding device with which the Bags from the transport device to the flat bag machine are therefore not necessary.
  • a flat-bag machine designed as a rotary machine, working in a clocked manner 10 has several arranged one after the other Workstations in which two bags at a time can be handled.
  • a first work station 12 there are two bags each 16.1 and 16.2 simultaneously by a gripper arrangement 22 for each bag 16.1, 16.2 taken over.
  • the two bags 16.1, 16.2 by two grippers 24 for the bag 16.1 and two grippers 26 for the Bag 16.2 held. Bags 16.1 and 16.2 are already positioned on the conveyor belt 20 so that you are centered Distance 28 the central distance between the two pairs of grippers 24, 26 corresponds.
  • the two gripper assemblies 22 therefore need only perform one movement within a level at a time to be able to.
  • the individual bags are made from a packaging material web 32 in the present case, fold over once and section by section Attaching longitudinal seal seams 34 and attaching an in Fig. 1, not shown, in the fold area 35 of the packaging material web 32 running transverse sealing seam.
  • the packaging material web 32 is over preferred rollers, one of which Preferred roller 36 is shown in front of the cutting station 30 in Transport direction 38 moved in cycles.
  • Preferred roller 36 is shown in front of the cutting station 30 in Transport direction 38 moved in cycles.
  • two steps are used for the clock step Cutting station 30 fed, passed through the same and placed on the conveyor belt 20.
  • the preferred roller 36 correspondingly by means of a servo motor M1 is driven, an upper roller 40 is assigned. Between the preferred roller 36 and the counter roller serving upper roller 40, the packaging material web 32 is moved through.
  • the with longitudinal seal seams 34 and a lower transverse seal seam provided packaging material web 32 reaches the cutting station 30.
  • the cutting station 30 has a top view of the packaging material web 32 acting rotary punch 42.
  • a lower counter roll 44 is positioned below the Packaging material web 32, opposite the rotary punch 42.
  • the counter roller 44 has a rotational speed adapted to the rotary punch 42.
  • the rotary punch 42 is by a not shown Drive motor set in rotation so that its cutting edge 48 at least during their contact with the packaging material web 32 has an orbital speed that of the speed corresponds to the packaging material web 32.
  • the sections of the packaging material web are cut by the cutting station 30 32 in the area between the longitudinal seal seams 34 isolated and thereby individual bags 16 produced, the then be transferred individually to the conveyor belt 20.
  • the flat bag machine 10.2 shown in FIG. 2 differs differs from the flat bag machine shown in Fig. 1 10 in that not two but four bags 16 (16.1, 16.2, 16.3 and 16.4) together in the Flat bag machine can be handled.
  • Managing includes grasping, opening, filling and closing the bags.
  • Characterized in that the positioning of the on the conveyor belt 20 Bags 16.1, 16.2, 16.3 and 16.4 exactly aligned to the Grippers 24, 26 of the flat bag machine is the Transfer of the bags into the first work station 12.2 possible in a technically simple way.
  • a change of the entire device on bags of different widths through the possibility of driving the conveyor belt 20 as desired, possible without any problems. It also proves to be an economically and technically great simplification that regardless of the number of those to be handled together Bags only ever provided a single rotary punch 42 needs to be.
  • FIG 3 shows snapshots drawn with one another the successively different positions of individual bags represented schematically.
  • the same bags have the same name.
  • the bags have 16.1, 16.2, 16.3, 16.4 one by the mutual distance between the longitudinal sealing seams defined mutual distance a, the their distance a before corresponds to the cutting station.
  • the web 32 through the rotary punch 42 and possibly through the counter roller 44 onto the conveyor belt 20 moves.
  • the conveyor belt is moved so that the Bag 16.1 from its position A to a position B on the Conveyor belt 20 arrives while following simultaneously another bag 16.2 in position A on the conveyor belt 20 arrives. Then the conveyor belt 20 with driven at a higher speed.
  • the bag 16.1 comes into a position C.
  • the bag 16.2 reaches position D because both Bags 16.1 and 16.2 are moved at the same speed become.
  • the distance between the two bags 16.1 and 16.2 in their positions A, B the same size as in their positions C, D.
  • a third bag 16.3 is open the conveyor belt 20 has been positioned.
  • the third bag 16.3 is again in the starting position A.
  • the first bag 16.1 comes into a position E, accordingly the second bag 16.2 in a position F and the third bag 16.3 in a position G.
  • the mutual Alignment of bags 16.1, 16.2 and 16.3 remains received in the process. Only their distance from the cutting edge changes 48.
  • a fourth bag 16.4 have been placed in position A on the conveyor belt 20.
  • the mutual alignment of the bags in their transfer position in front of the first work station 12.2 can by variation the conveyor speed of the conveyor belt quickly and easy to set.
  • the gripper assembly 22.2 all you need to do is move in one plane.
  • the longitudinal seal seams 34.4 have a bulbous shape and close an island-like Area of the packaging material web 32 as a residual piece 60.
  • the sealing jaws have a longitudinal sealing seam 34.4 corresponding Shape.
  • the cutting edge 48.4 a cutting edge 50 that corresponds to the dashed line in FIG. 4 equivalent.
  • This die 48.4 is on the roll body
  • Rotary punch 42 is protruding, like the top view on this rotary punch 42 in Fig. 5 and the side view the same in Fig. 6 illustrate.
  • bags 16.10 are produced in the cutting station, which have a waist-like constriction 70.
  • the remaining piece 60 is sucked in by the counter roller 44. The As a result, the remaining piece 60 does not reach the conveyor belt 20.
  • the Bags instead of the waist shape shown in Fig. 4, the Bags also have any side contour. So can the bags also have a bottle shape, for example.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Claims (12)

  1. Station de coupe et de transfert pour l'amenée de sacs (16) produits par séparation par sections d'une feuille continue de matériau d'emballage à double couche (32) à une machine de traitement de sacs plats (10),
    avec un dispositif de transport (20) pour les sacs (16) produits dans la station de coupe (30), qui est placé après la station de coupe (30) et sur lequel les sacs (16) sont positionnables dans un alignement mutuel correct par rapport à la machine de traitement de sacs plats (10),
    avec un dispositif de retenue (22) au moyen duquel les sacs (16) correctement alignés mutuellement peuvent être prélevés du dispositif de transport (20) et amenés à la machine de traitement de sacs plats (10),
    caractérisée par le fait que
    le dispositif de transport (20) peut être entraíné de telle manière qu'au moins deux sacs (16) puissent être positionnés sur le dispositif de transport (20) à une distance mutuelle prédéfinissable (28) qui correspond à leur distance mutuelle (28) sur la machine de traitement de sacs plats (10),
    ces au moins deux sacs peuvent être prélevés en même temps par le dispositif de retenue (22) du dispositif de transport (20) et amenés à la machine de traitement de sacs plats (10).
  2. Station selon la revendication 1,
    caractérisée par le fait que
    le dispositif de transport (20) est disposé à côte de la machine de traitement de sacs plats (10) de telle manière que chacun des au moins deux sacs (16) soit transportable du dispositif de transport (20) à la machine de traitement de sacs plats (10) en un mouvement situé dans un plan.
  3. Station selon la revendication 1 ou 2,
    caractérisée par le fait que
    le dispositif de transport (20) peut être entraíné à des vitesses de transport réglables à volonté.
  4. Station selon l'une des revendications précédentes,
    caractérisée par le fait que
    le dispositif de transport est une bande transporteuse (20).
  5. Station selon la revendication 4,
    caractérisée par le fait que
    la bande transporteuse (20) est une bande à succion.
  6. Station selon l'une des revendications précédentes,
    caractérisée par le fait que
    un seul dispositif de séparation est présent dans la station de coupe (30),
    le dispositif de séparation est un couteau rotatif, une presse à découper rotative (42) ou un couteau à mouvement alternatif.
  7. Station selon la revendication 6,
    caractérisée par le fait que
    le couteau rotatif ou la presse à découper rotative présente plusieurs « couteaux » répartis sur sa circonférence dans le sens de rotation.
  8. Station selon la revendication 6 ou 7,
    caractérisée par le fait que
    un contre-cylindre (44) est associé au couteau rotatif ou à la presse à découper rotative (42).
  9. Station selon la revendication 8,
    caractérisée par le fait que
    le contre-cylindre est un cylindre à succion (44).
  10. Station selon l'une des revendications précédentes,
    caractérisée par le fait que
    un dispositif à cylindre d'avance (36) pour la feuille continue de matériau d'emballage (32) est disposé avant la station de coupe (30),
    des entraínements par moteur (M1, M3) sont prévus pour le dispositif à cylindre d'avance et pour le dispositif de transport.
  11. Station selon l'une des revendications 8 à 10,
    caractérisée par le fait que
    il est prévu également un entraínement par moteur (M2) pour le contre-cylindre ou le cylindre à succion (44).
  12. Station selon l'une des revendications précédentes,
    caractérisée par le fait que
    la feuille continue de matériau d'emballage (32) est amenée à la station de coupe (30) de façon cadencée de telle manière qu'un groupe de sacs (16) contenant un nombre défini de sacs soit produit par la station de coupe (30) en un pas de cadence,
    le groupe de sacs (16) est amené successivement au dispositif de transport (20) de telle manière que les sacs d'un groupe soient présents sur le dispositif de transport en alignement mutuel correct.
EP98104637A 1997-04-17 1998-03-14 Station de coupe et de transfert pour une machine de traitement de sacs plats opérant de façon intermittente Expired - Lifetime EP0872421B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29706937U 1997-04-17
DE29706937U DE29706937U1 (de) 1997-04-17 1997-04-17 Schneid- und Übergabestation einer getaktet arbeitenden Flachbeutelmaschine

Publications (2)

Publication Number Publication Date
EP0872421A1 EP0872421A1 (fr) 1998-10-21
EP0872421B1 true EP0872421B1 (fr) 2004-06-09

Family

ID=8039141

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98104637A Expired - Lifetime EP0872421B1 (fr) 1997-04-17 1998-03-14 Station de coupe et de transfert pour une machine de traitement de sacs plats opérant de façon intermittente

Country Status (3)

Country Link
EP (1) EP0872421B1 (fr)
DE (2) DE29706937U1 (fr)
ES (1) ES2222532T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2156748B1 (es) * 1999-08-10 2002-02-01 Volpak Sa Dispositivo de transferencia de bolsas para maquinas envasadoras automaticas.
ITBO20010645A1 (it) * 2001-10-19 2003-04-19 Aroma System S R L Metodo per confezionare buste partendo da una bobina di nastro piano il quale viene ripiegato ed appiattito in corrispondenza di un piano ve
US6931824B2 (en) * 2002-06-07 2005-08-23 Amec E&C Services, Inc. Packaging system
ES2690746T3 (es) * 2014-09-01 2018-11-22 Fillshape S.R.L. Dispositivo y procedimiento para suministrar bolsitas a un carrusel

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB962177A (en) * 1961-04-10 1964-07-01 Bartelt Engineering Co Inc Packaging machine
DE1809659A1 (de) * 1968-11-19 1970-07-30 Hoeller Gmbh Geb Vorrichtung zum Herstellen von Verpackungsbeuteln
DE2226466A1 (de) * 1972-05-31 1973-12-13 Zelder Fritz Verfahren und vorrichtung zum herstellen gefuellter flachbeutelpackungen
US4616472A (en) * 1985-10-10 1986-10-14 W. R. Grace & Co., Cryovac Div. Method and apparatus for loading side-seal bags

Also Published As

Publication number Publication date
DE29706937U1 (de) 1997-06-05
EP0872421A1 (fr) 1998-10-21
ES2222532T3 (es) 2005-02-01
DE59811529D1 (de) 2004-07-15

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