EP0472981B1 - Verfahren und Maschine zum Aufrichten einer Faltschachtel - Google Patents

Verfahren und Maschine zum Aufrichten einer Faltschachtel Download PDF

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Publication number
EP0472981B1
EP0472981B1 EP91113396A EP91113396A EP0472981B1 EP 0472981 B1 EP0472981 B1 EP 0472981B1 EP 91113396 A EP91113396 A EP 91113396A EP 91113396 A EP91113396 A EP 91113396A EP 0472981 B1 EP0472981 B1 EP 0472981B1
Authority
EP
European Patent Office
Prior art keywords
flaps
panels
closing wheels
back panel
folding
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
EP91113396A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0472981A1 (de
Inventor
Wilhelm Fischer
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.)
WILHELM FISCHER SPEZIALMASCHINENFABRIK GmbH
4P Nicolaus Kempten GmbH
Original Assignee
WILHELM FISCHER SPEZIALMASCHINENFABRIK GmbH
4P Nicolaus Kempten 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 WILHELM FISCHER SPEZIALMASCHINENFABRIK GmbH, 4P Nicolaus Kempten GmbH filed Critical WILHELM FISCHER SPEZIALMASCHINENFABRIK GmbH
Publication of EP0472981A1 publication Critical patent/EP0472981A1/de
Application granted granted Critical
Publication of EP0472981B1 publication Critical patent/EP0472981B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
    • 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
    • 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
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or 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
    • B31B2100/00—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs
    • B31B2100/002—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed
    • B31B2100/0024—Rigid or semi-rigid containers made by folding single-piece sheets, blanks or webs characterised by the shape of the blank from which they are formed having all side walls attached to the bottom
    • 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
    • B31B2110/00—Shape of rigid or semi-rigid containers
    • B31B2110/10—Shape of rigid or semi-rigid containers having a cross section of varying size or shape, e.g. conical or pyramidal
    • 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
    • B31B2110/00—Shape of rigid or semi-rigid containers
    • B31B2110/30—Shape of rigid or semi-rigid containers having a polygonal cross section
    • B31B2110/35—Shape of rigid or semi-rigid containers having a polygonal cross section rectangular, e.g. square
    • 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
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/10—Construction of rigid or semi-rigid containers provided with covers, e.g. lids
    • B31B2120/102—Construction of rigid or semi-rigid containers provided with covers, e.g. lids with a hinged cover
    • 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
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/70—Construction of rigid or semi-rigid containers having corrugated or pleated walls
    • 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings

Definitions

  • the invention relates to a method and a machine for erecting a folding box from a one-piece cardboard blank, which has a bottom surface, side walls articulated thereon via folding lines and a front and a rear wall, flaps being formed on the side walls, which flaps are formed in the region of the front and the rear wall are folded and which is at least partially coated with a sealable plastic, the two side walls first being erected by pressing the cardboard blank into a U-shaped lower mold by means of a stamp, whereupon the flaps are folded in.
  • Such folding boxes should be erected quickly because they are used in large numbers. At the same time, however, a high quality of the erection process is required in order to obtain dimensionally accurate folding boxes.
  • the invention has for its object to show a method and a machine with which the erection can be carried out with very high precision and at the same time very easily and quickly.
  • a machine for erecting a folding box from a one-piece cardboard blank, which has a bottom surface, side walls articulated thereon via folding lines and a front and a rear wall, between which and the side walls dust flaps are provided and which is at least partially coated with a sealable plastic, wherein a U-shaped lower mold attached to a transport chain is provided is, which has a base plate and a front and rear leg, with this lower mold is assigned a stamp attached to another chain, is characterized in that on both sides of these transport chains are provided with a recess provided locking wheels that serve to fold in the dust flaps that the two closing wheels are provided with a circumferential groove, which preferably extends to the bottom of the recess and in which retaining rails for the folded-in dust flaps are able to engage, which connect to the closing wheels, that a hot air nozzle is provided on both sides following the closing wheels, whose outlet openings are directed against the inside of the front and the rear wall, and that pressure rails are provided behind the hot
  • This machine allows a folding box to be erected in a functionally correct manner, and in addition to a very high precision of the folding box, a very high working speed can be achieved.
  • Another machine for erecting a folding box from a one-piece cardboard blank, which has a bottom surface, side walls articulated thereon via folding lines and a front and a rear wall, flaps being formed on the two side walls, which also form gussets with the other two Walls are connected, with a U-shaped lower mold fastened to a transport chain, which has a base plate and a front and rear leg each, which is assigned a form stamp fastened to a further chain, is characterized in that rails for folding in the transport chains on both sides Front and rear walls are provided, to which are connected closing wheels provided with a recess, which serve to fold in the flaps, that the two closing wheels are provided with a circumferential groove, which preferably extends to the bottom of the recess and in which holding rails are able to engage, with hot air nozzles being provided directly in front of the locking wheels, which are used to heat the outside of the front or rear wall and the gusset and flaps, and that pressure rails for pressing
  • the pressure rails are provided with cutouts in which pressure rollers mounted in a spring-elastic manner are arranged.
  • levers are pivotally mounted on the underside of the pressure rails, on which springs act and which carry the pressure rollers.
  • the form stamp is guided in a rail, which forcibly adjusts the distance of the form stamp from the base plate of the lower mold.
  • U-shaped lower molds 4 are attached, with this Run around the transport chain and each have a base plate 5 and a front and rear leg 6.7.
  • Each of these U-shaped lower molds 4 is assigned a die 8 which is attached to the upper transport chain 3 and rotates with it.
  • a guide rail is provided within the upper transport chain 3, which forcibly guides the molding die in its vertical position and brings it into engagement with the U-shaped lower mold.
  • a cardboard blank 10 as shown in FIG. 4 is inserted between the lower mold 4 and the die 8.
  • This cardboard blank has a bottom 11, on each of which a side wall 14 or 15 is articulated via fold lines 12 and 13.
  • Each of these two side walls 14, 15 laterally carries a dust flap 16, 17 and 18, 19, respectively, which are hinged to the two side walls via folding lines 20 and 21.
  • a front wall 23 and a rear wall 24 are also articulated on the floor 11 via these folding lines 20, 21.
  • the rear wall 24 carries, via a further folding line 25, a cover flap 26 which has side wall flaps 27, 28 and a front wall flap 29 which cover the two side walls 14, 15 and the front wall 23 in the fully erected state of the folding box.
  • the two locking wheels 30 which rotate in opposite directions and are provided with a circumferential recess 32.
  • the two closing wheels are each equipped with a circumferential groove 33, in which a subsequent folding strip 34 engages with one end.
  • a hot air nozzle 35 is arranged laterally next to this folding strip 34 and has its outlet openings 36 on the side facing away from the folding strip 34.
  • a further folding strip 37 is arranged, which extends from below the closing wheels 30 to at least the height of the first folding strip 34 and is detached from a pressure rail 38.
  • the pressure rail 38 is provided with rotatably mounted pressure rollers 39, which are embedded in corresponding cutouts 40 in the pressure rail and are seated on levers 41 mounted on the underside of the rail. Invisible springs attack the levers, which press them and thus the rollers outwards.
  • the die When the die is lowered, it presses the bottom 11 of the cardboard blank 10 according to FIG. 4 into the U-shaped lower mold 4, the two side walls 14 and 15 standing up laterally and being clamped between the two legs 6, 7 and the die.
  • the dust flaps 16, 17, 18, 19 protrude laterally from the lower mold 4.
  • the two front dust flaps 17 and 19 are placed by the latter on the die 8 and held in this position by the folding strips 34.
  • the two rear dust flaps 16 and 18 get into the recess 32 of the two locking wheels 30 and are also applied to the form stamp by their rotational movement and then held in this position by the folding strips 34.
  • the folding strips 37 raise the front wall 23 and the rear wall 24 somewhat, so that the hot air coming from the hot air nozzles 35 or their outlet nozzles 36 reaches the inner surface of these two walls coated with sealable plastic.
  • the two folding strips 37 press these two walls up until they come into contact with the dust flaps, the actual pressing process being carried out by the subsequent pressure rails 38 or their pressure rollers 39, which directly adjoin the folding strips 37. Due to the resilient pressure of this Pressure rolls can also compensate for slight differences in material thickness.
  • the machine 50 according to FIG. 3 largely corresponds to the machine 1 described above, only the hot air nozzles 35 are arranged in front of the closing wheels 30 and in front of the hot air nozzles there are still rails 51 on both sides of the transport chains 2, 3 for folding the front and rear walls of the in 5 shown blank 61 or the folding box lower part 80 erected therefrom (FIG. 6).
  • the flat cardboard blank 61 shown in FIG. 5 has a bottom section 62, to which a side wall section 65 and 66 is articulated via fold lines 63 and 64.
  • two end wall sections 67 and 68 are integrally formed on the bottom section, which are also connected to the side wall sections 65 and 66 via fold lines 63 and 64.
  • Two further fold lines 69, 70 and 71, 72 each start from the two fold lines 63 and 64, through which gusset corners 73, 74, 75, 76 are divided between the side wall sections and the end wall sections.
  • These gusset corners 73 to 76 and the section of the respective end wall section 67 or 68 divided off by the line 77 or 78 is provided on the outside and the inside with a sealable plastic layer, which is shown in FIG. 5 by hatching.
  • the two side wall sections 65 and 66 are first folded upward about the fold lines 63 and 64 by being pressed into the U-shaped lower mold; then the two end wall sections 67 and 68 are bent upwards by the folding rail 51. After heating by the healing air nozzles 35, the gusset corners and the end sections of the side wall sections are then unfolded by the closing wheels 30, whereupon all three layers are pressed together and sealed by the pressure rails 38.

Landscapes

  • Making Paper Articles (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Cartons (AREA)
  • Closing Of Containers (AREA)
EP91113396A 1990-08-30 1991-08-09 Verfahren und Maschine zum Aufrichten einer Faltschachtel Expired - Lifetime EP0472981B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4027395A DE4027395A1 (de) 1990-08-30 1990-08-30 Verfahren und maschine zum aufrichten einer faltschachtel
DE4027395 1990-08-30

Publications (2)

Publication Number Publication Date
EP0472981A1 EP0472981A1 (de) 1992-03-04
EP0472981B1 true EP0472981B1 (de) 1995-07-19

Family

ID=6413203

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91113396A Expired - Lifetime EP0472981B1 (de) 1990-08-30 1991-08-09 Verfahren und Maschine zum Aufrichten einer Faltschachtel

Country Status (8)

Country Link
US (1) US5269741A (enrdf_load_stackoverflow)
EP (1) EP0472981B1 (enrdf_load_stackoverflow)
JP (1) JPH05154945A (enrdf_load_stackoverflow)
AT (1) ATE125200T1 (enrdf_load_stackoverflow)
DE (2) DE4027395A1 (enrdf_load_stackoverflow)
DK (1) DK0472981T3 (enrdf_load_stackoverflow)
ES (1) ES2077123T3 (enrdf_load_stackoverflow)
GR (1) GR3017283T3 (enrdf_load_stackoverflow)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4322224C2 (de) * 1993-07-03 1997-06-12 Fischer Wilhelm Spezialmasch Vorrichtung zum Aufrichten von Faltschachteln
GB2282561A (en) * 1993-10-09 1995-04-12 Bradman Lake Ltd A twin head feed erector
US5704196A (en) * 1995-09-21 1998-01-06 Douglas Machine Limited Liability Company High speed blank set-up apparatus and methods
US5725469A (en) * 1996-02-12 1998-03-10 Rehkemper; Jeffrey G. Toy for decorating articles
US6106450A (en) * 1998-06-01 2000-08-22 Georgia-Pacific Corporation Apparatus and method for set-up of a non-rectangular container from a knocked-down-flat (KDF) precursor
DE19843490A1 (de) 1998-09-22 2000-03-23 Odeko Verpackungsmaterialien G Verfahren zum kontinuierlichen Formgeben von flachen Zuschnitten in Schachteln
DE10015761C1 (de) * 2000-03-30 2001-12-20 Helmut Seidel Vorrichtung zum Aufrichten von flachen Faltschachtelzuschnitten oder dergleichen
DE10203459A1 (de) * 2002-01-28 2003-07-31 Focke & Co Verfahren und Vorrichtung zum Herstellen von Gebindepackung für Zigaretten
US20050045271A1 (en) * 2003-08-30 2005-03-03 Hunter Robert J. Method of producing reinforced cartons
DE102008019077B4 (de) * 2008-04-15 2024-07-11 Krones Aktiengesellschaft Verpackungsmaschine für Gebinde von Getränkebehältern, Führungselement hierfür und Verfahren zum Verpacken von Gebinden
IT1397111B1 (it) * 2009-04-17 2012-12-28 Gima Spa Dispositivo per l'alimentazione di fogli.
FR2961428B1 (fr) * 2010-06-18 2013-04-26 Sidel Participations Module porte-outils pour le faconnage d'au moins une decoupe de carton
US11059252B2 (en) * 2018-11-30 2021-07-13 Westrock Shared Services, Llc Machine for forming a container from a blank
CN109895450B (zh) * 2019-01-30 2024-12-03 上海陶乾自动化设备有限公司 一种气浮加滚轮的折边装置
KR102334772B1 (ko) * 2021-06-08 2021-12-03 (주)청인에프피엠 포장 상자 성형 시스템
KR102474289B1 (ko) * 2021-06-08 2022-12-05 (주)청인에프피엠 포장 상자 성형 장치

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FR715120A (fr) * 1930-04-16 1931-11-26 Gehr Arehns Mek Verkst Ab Machine à empaqueter
GB384322A (en) * 1930-04-30 1932-11-29 Gerh Arehns Mek Verkst Ab Improvements in or relating to machines for manufacturing boxes or like packages and
US1843027A (en) * 1930-12-15 1932-01-26 Muller J C & Co Apparatus for shaping paper containers or cardboard boxes with flat rectangular bottoms
US1978057A (en) * 1933-06-10 1934-10-23 Diamond Match Co Machine for making box trays
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Also Published As

Publication number Publication date
EP0472981A1 (de) 1992-03-04
DE4027395A1 (de) 1992-04-02
DK0472981T3 (da) 1995-11-06
DE4027395C2 (enrdf_load_stackoverflow) 1993-01-28
GR3017283T3 (en) 1995-11-30
ES2077123T3 (es) 1995-11-16
JPH05154945A (ja) 1993-06-22
ATE125200T1 (de) 1995-08-15
US5269741A (en) 1993-12-14
DE59106015D1 (de) 1995-08-24

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