EP0679135B1 - Method and apparatus for feeding package blanks erected in an erecting machine - Google Patents

Method and apparatus for feeding package blanks erected in an erecting machine Download PDF

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Publication number
EP0679135B1
EP0679135B1 EP94905294A EP94905294A EP0679135B1 EP 0679135 B1 EP0679135 B1 EP 0679135B1 EP 94905294 A EP94905294 A EP 94905294A EP 94905294 A EP94905294 A EP 94905294A EP 0679135 B1 EP0679135 B1 EP 0679135B1
Authority
EP
European Patent Office
Prior art keywords
erected
conveyor
blanks
vacuum
blank
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
EP94905294A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0679135A1 (en
Inventor
Kay Wallin
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.)
Sprinter System AB
Original Assignee
Sprinter System AB
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 Sprinter System AB filed Critical Sprinter System AB
Publication of EP0679135A1 publication Critical patent/EP0679135A1/en
Application granted granted Critical
Publication of EP0679135B1 publication Critical patent/EP0679135B1/en
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
    • 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
    • B65B43/52—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 roller-ways or endless conveyors
    • 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26—Folding sheets, blanks or webs
    • B31B50/28—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms
    • B31B50/282—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms involving stripping-off formed boxes from mandrels

Definitions

  • the present invention relates to a method and arrangement for feeding packaging blanks erected in an erecting machine from the erection position under a form chamber in the erecting machine, where an erecting plunger inside the erected blank relinquishes the blank to an underlying delivery conveyor for further horizontal conveyance to a filling and sealing station, and where the erected blank may have a lid hingedly attached to its rear side wall, this lid being in an upright, vertical attitude as the erected blank is fed downwards to the delivery conveyor, the lid being in the same plane as the rear side wall.
  • the mechanisms In the erecting machines at present on the market (cf. WO-A-9 219 443) there is a considerable problem with the mechanisms transferring the ready-erected blanks from the form chamber down to a conveying means for taking them to a filling and sealing station.
  • the transferring mechanisms at present comprise separate suction cup means, which grip the erected blank and guide it downwards from the chamber to the conveying means.
  • the object of the present invention is to obviate the disadvantages of the already known arrangements and apparatus of the kind mentioned, and to provide a method and arrangement with apparatus for conveying the ready-erected packaging blanks from the form chamber in an erecting machine and down to a conveyor which will deliver them to a filling and sealing station without unnecessary operational breakdowns, even for very high machine speeds, while the arrangement and apparatus for carrying out the method is simple and reliable in the construction and disposition of its parts.
  • FIG. 1 a schematic, perspective view (Fig. 1) and partial side view (Fig. 2) illustrate an arrangement and apparatus for carrying out the method in accordance with the invention.
  • the object of the arrangement and apparatus is to feed ready-erected blanks 1 from their ejection position 2 under a form chamber 3 in an erecting machine.
  • an erecting plunger 4 inside the erected blank 1, and when the latter is relinquished by the plunger 4 it is transferred to an underlying delivery conveyor 5 for horizontal conveyance of the erected blank 1 to an unillustrated filling and sealing station.
  • a lid 7 hingedly attached to the rear side wall 6 of the erected blank 1. During this downward transfer the lid 7 has an upstanding, vertical attitude, with its plane of extension coinciding with the rear side wall 6.
  • Transfer of the erected blank 1 from the form chamber 3 to the feed conveyor 5 takes place with the aid of a vertically disposed vacuum conveyor 8, which includes at least one vertically moving belt 9, the rear side wall 6 attached with upstanding lid 7 of the erected blank being urged against the belt 9 with the aid of vacuum from a vacuum box 10 included in the conveyor 8.
  • the belt 9 is implemented, inter alia, with large friction at its conveying surface, and is intended to provide controlled feed of the erected blank downwards from the form chamber 3 until the bottom 11 of the erected blank comes into contact with the upper surface 12 of the delivery conveyor 5. Substantially simultaneously with this contact the side wall 6 and attached lid 7 are automatically released from the belt 9 with the aid of cunieform means 20 on either side of the belt.
  • the delivery conveyor 5 is provided with consecutive flights 13, which bear against one of the side walls 14 of the erected blank 1 for moving it in a horizontal direction.
  • the latter may include a vacuum box 21 with holes 22 in the upper surface 12 (see Fig. 2), suction then keeping the erected blanks down on this surface.
  • the vacuum conveyor 8 is disposed with its extension in a vertical direction, its upper portion 15 in juxtaposition with the lower part of the form chamber 3, and its lower portion 16 in juxtaposition with the upper surface 12 of the conveyor 5.
  • the conveyor 8 includes a vacuum box 10.
  • At least one timing drive type of endless belt 9 has its part facing towards the erected blank extending over and along the box, which has a slit coacting with holes 17 at given spacing in the belt 9 for providing the suction urging the side wall and lid of the erected blank against the belt.
  • the slit in the vacuum box is not illustrated on the drawing.
  • This box 10 may be provided with at least one longitudinal recess for an endless belt 9, and if more than one belt is used, suction holes and/or slits can be arranged in the box 10 between the belts. Both the timing drive type of belt 9 and other types of belt are taken over end pulleys 18 and 19 outside the vacuum box 10 at the respective end portions 15 och 16 of the box 10.
  • the invention method of feeding erected blanks from the form chamber 3 in the erecting machine is as follows. As soon as the plunger 4 that erected the blank in the chamber 3 has relinquished it, its rear side wall 6 and attached lid 7 are sucked against the belt 9 of the vacuum conveyor 8. The erected blank 1 then moves downwards in a controlled manner until its bottom 11 comes into contact with the upper surface 12 of the delivery conveyor 5, when the erected blank is automatically released from the vacuum conveyor 8.
  • the automatic release is enabled either by the effect of the vacuum retaining the erected blank being less than the lateral displacement force exercised by the delivery conveyor 5, or with the aid of cunieform members 20 disposed on either side of the belt 9 at the lower portion 16 of the conveyor 8.
  • the erected blank 1 After its release from the conveyor 8 the erected blank 1 is fed to a filling and sealing station, not illustrated on the drawing, by the flights 13 of the conveyor 5 in combination with sucking the bottom 11 of the erected blank 1 against the upper surface 12 of this conveyor, or solely by suction grip on the bottoms of the erected blanks.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Making Paper Articles (AREA)
  • Closing Of Containers (AREA)
  • Vacuum Packaging (AREA)
EP94905294A 1993-01-18 1994-01-18 Method and apparatus for feeding package blanks erected in an erecting machine Expired - Lifetime EP0679135B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9300124 1993-01-18
SE9300124A SE502370C2 (sv) 1993-01-18 1993-01-18 Förfarande och anordning för matning av i en resningsmaskin resta förpackningsämnen
PCT/SE1994/000029 WO1994015838A1 (en) 1993-01-18 1994-01-18 Method and apparatus for feeding package blanks erected in an erecting machine

Publications (2)

Publication Number Publication Date
EP0679135A1 EP0679135A1 (en) 1995-11-02
EP0679135B1 true EP0679135B1 (en) 1997-04-16

Family

ID=20388568

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94905294A Expired - Lifetime EP0679135B1 (en) 1993-01-18 1994-01-18 Method and apparatus for feeding package blanks erected in an erecting machine

Country Status (6)

Country Link
EP (1) EP0679135B1 (sv)
JP (1) JPH08505346A (sv)
AU (1) AU5894794A (sv)
DE (1) DE69402680D1 (sv)
SE (1) SE502370C2 (sv)
WO (1) WO1994015838A1 (sv)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3477558A (en) * 1966-10-27 1969-11-11 Fred J Fleischauer Air lift and vacuum conveyors and foraminous belt means therefor
DE2905619A1 (de) * 1979-02-14 1980-08-28 Bellaplast Gmbh Vorrichtung zum abtransportieren von duennwandigen, mit einseitiger oeffnung versehenen hohlkoerpern aus einer behandlungsstation
US5105931A (en) * 1990-10-16 1992-04-21 Minnesota Automation, Inc. Article control assembly
DE4040231A1 (de) * 1990-12-15 1992-06-17 Ostma Maschinenbau Gmbh Transportanlage fuer stueckgut, insbesondere fuer in schachteln oder in folie verpackte stueckgutteile
GB9109152D0 (en) * 1991-04-27 1991-06-12 Kliklok Int Formed cartons etc.,strip-off mechanism

Also Published As

Publication number Publication date
AU5894794A (en) 1994-08-15
WO1994015838A1 (en) 1994-07-21
EP0679135A1 (en) 1995-11-02
JPH08505346A (ja) 1996-06-11
DE69402680D1 (de) 1997-05-22
SE9300124D0 (sv) 1993-01-18
SE502370C2 (sv) 1995-10-09
SE9300124L (sv) 1994-07-19

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