EP0731029B1 - Verfahren und Vorrichtung zum Aufschneiden von Pappschachteln - Google Patents

Verfahren und Vorrichtung zum Aufschneiden von Pappschachteln Download PDF

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Publication number
EP0731029B1
EP0731029B1 EP96102684A EP96102684A EP0731029B1 EP 0731029 B1 EP0731029 B1 EP 0731029B1 EP 96102684 A EP96102684 A EP 96102684A EP 96102684 A EP96102684 A EP 96102684A EP 0731029 B1 EP0731029 B1 EP 0731029B1
Authority
EP
European Patent Office
Prior art keywords
box
cardboard
cutting
cutter
conveyor
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
EP96102684A
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English (en)
French (fr)
Other versions
EP0731029A1 (de
Inventor
Nobuhiro Tanaka
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.)
Kao Corp
Original Assignee
Kao Corp
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Filing date
Publication date
Application filed by Kao Corp filed Critical Kao Corp
Publication of EP0731029A1 publication Critical patent/EP0731029A1/de
Application granted granted Critical
Publication of EP0731029B1 publication Critical patent/EP0731029B1/de
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
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • B65B69/0033—Unpacking of articles or materials, not otherwise provided for by cutting

Definitions

  • the present invention relates to a method of cutting a cardboard box using a cutter having a cutting zone, and an apparatus and device for cutting and opening cardboard boxes.
  • JP-B2 Japanese Patent Publication (JP-B2) Hei 5-63376 discloses a box cutter for opening cardboard boxes accommodating articles in article pick-out equipment or the like.
  • a box 1 is formed by using a cardboard 2 .
  • the cardboard 2 has a structure comprising an outer liner 3 , an inner liner 4 , these liners being made from board paper or the like, and a core member 5 of jute, used paper. etc. sandwiched between the liners.
  • a folding line 4A is formed in the inner liner 4 by folding the inner liner 4 into the cardboard 2.
  • a rotary blade 6 of the cutter acts obliquely on the box 1 just like it is turned down on the side of the center of the top surface of the box 1 .
  • the rotary blade 6 is moved in the direction of conveying of the box 1 to cut off a corner portion of the box 1, constituted by two, i.e., top and side, outer liner portions 3 along the edge 1A and two inner liner portions 4 on the back side of the two outer liner portions 3 . In this way, the box 1 is opened at the top.
  • EP-A 362569 discloses a method and an apparatus for cutting a cardboard box in accordance with the preambles of claims 1 and 2, and a device for cutting and opening cardboard boxes wherein the method and the apparatus comprises a cutter having an inclined zone extending into the interior of the box and the device for cutting and opening cardboard boxes uses a plurality of cutters mentioned above.
  • a cardboard box 1 which is handled is formed by using a cardboard 2 .
  • the cardboard 2 comprises an outer liner 3 , an inner liner 4 , these liners being made from board paper or the like, and a core 5 made of jute, used paper, etc. and sandwiched between the two liners.
  • a folding line 4A is formed in the inner liner 4 in the corner portion along the edge 1A by folding the inner liner 4 into the cardboard 2 .
  • the reference numeral 4B represents a folded portion of the inner liner 4 .
  • the cardboard box 1 is a cuboid, and it is transported while accommodating such articles A as cleanser containers, paper diaper packs, etc. from the factory to a place where there is article pick-out equipment.
  • the box 1 is opened by a box cutting system 10 ( Fig. 1 ), and then the articles in the box 1 are taken out either manually or by an automatic pick-out system.
  • the box cutting system 10 as shown in Fig. 1 , comprises a box feeder section 11 , a box orientation changer section 12 , and a cutter section 13 , and it opens one side of the cardboard box 1 .
  • the box feeder section 11 includes a box take-out unit 22 , which takes out one layer of cardboard boxes 1 from a pallet stack of like cardboard boxes on a pallet 21 .
  • the box feeder section 11 re-arranges the like boxes 1 of one layer, having been taken out by the box take-out unit 22 , into a train to be fed on a conveyor (i.e., roller conveyor) 23 .
  • the box orientation changer section 12 is connected to the outlet end of the box feeder section 11 and changes the orientation of each box under control of a control CPU (not shown) such as to let a side to be opened, as registered for each kind of article in the control CPU, be the top.
  • the cutter section 13 is connected to the outlet end of the box orientation changer section 12 , and cuts corner portions of the top of each cardboard box 1 along the edges 1A under control of the control CPU, thus opening the box.
  • the box orientation changer section 12 as shown in Fig. 1 , includes a box turning unit 31 and a box rotating unit 41 .
  • the box turning unit 31 is disposed ahead of the box rotating unit 41 , and it can rotate each box 1 to be fed to the box rotating unit 41 in a horizontal plane. More specifically, the unit 31 has a turning lever 33 which can be advanced into and retreated from the conveying zone of the conveyor 32 and is operable by a cylinder 34 . With the turning lever 33 held in an original waiting position, each box 1 conveyed on the conveyor 33 from the box feeder section 11 is passed without changing its longitudinally directed orientation. With the turning lever 33 held advanced from the original position, each box 1 fed in the longitudinally directed orientation on the conveyor 23 from the box feeder section 11 , is rotated 90 degrees into a short or transversely directed orientation. The conveyor 23 of the box feeder section 11 feeds out each box 1 with the feed orientation thereof aligned to the longitudinally directed orientation, i.e., orientation in which the longitudinal direction is the feed direction.
  • the box rotating unit 41 as shown in Figs. 1 and 2A to 2C , has a four-side conveyor 42 and a rotation drive unit 49 .
  • the four side conveyor 42 has a tunnel-like box conveying zone 46 in a circular frame 45 , which is supported on a roller 44 provided in a support 43 .
  • the box conveying zone 46 is enclosed by four sides each provided with a conveyor (i.e., roller conveyor) 47 .
  • the conveyors 47 are belt-on conveyors, and a belt 47B which undergoes excursion in contact with each roller 47A is passed round a belt excursion roller 47C .
  • a lifter 48 is disposed below the four side conveyor 42 .
  • a lifter 48 On the lifter 48 a motor 48A and a belt drive roller 48B driven by the motor 48A are provided.
  • the lifter 48 lifts the belt drive roller 48B into forced contact with the belt 47B passed round the belt excursion roller 47C of the conveyor 47 which is located lowermost among the four conveyors 47 of the four side conveyor 42 .
  • Each roller 44 of the conveyor 47 can be driven with the rotation of the belt drive roller 48B caused by the motor 48A .
  • the rotation drive unit 49 has a motor 49A connected to the roller 44 .
  • the four side conveyor 42 is rotated about the axis of the tunnel-like conveying zone 46 with rotation of the roller 44 caused by the motor 49A .
  • the box rotating unit 41 operates as in (1) to (3) below.
  • the box orientation changer section 12 Since the box orientation changer section 12 has the box rotating unit 41 and box turning unit 31 , it can make the feed orientation of boxes 1 fed to the cutter section 13 to be either one of the following ones (a) to (d) according to an instruction of the control CPU corresponding to the pertinent kind of boxes (i.e., an instruction for setting the top as the surface to be opened) ( Figs. 3A to 3D ).
  • the top In the orientation of boxes fed by the box feeder section 11 , the top is referred to as A side, the left and right sides as B side, the front and rear sides as C side, and the bottom as D side.
  • the box orientation changer section 12 collectively changes or sets the orientation of a plurality of cardboard boxes 1 that are fed as a train.
  • the cutter section 13 includes a first cutter unit 13A , a second cutter unit 13B and a conveying direction changing unit 13C .
  • the first cutter unit 13A is disposed on a conveyor (roller conveyor) 51 provided on the outlet side of the box orientation changer section 12 and cuts corners of cardboard boxes 1 along either or each edge 1A extending in the box conveying direction.
  • a conveyor roller conveyor
  • the cardboard boxes 1 fed to the first cutter unit 13A are brought to one side perpendicular to the box conveying direction to be positioned in the direction of cutting operation, and to this end a side roller 51A is provided on the side to which the boxes 1 are brought.
  • the conveying direction changing unit 13C has a conveyor (roller conveyor) 52 , which is disposed on the outlet side of the conveyor 51 and extends at right angles thereto. In this unit 13C , the direction of conveying of the cardboard boxes 1 fed out from the first cutter unit 13A is thus turned 90 degrees in horizontal plane. To this end, the conveyor 52 has a side roller 52A for receiving boxes 1 fed on the conveyor 51 .
  • the second cutter unit 13B is disposed on a conveyor (roller conveyor) 53 provided on the outlet side of the conveyor 52 , and cuts the corner portion of cardboard boxes 1 fed out from the conveying direction changing unit 13C along either or each edge 1A .
  • a conveyor roller conveyor
  • the boxes 1 fed to the second cutter unit 13B are brought to one side perpendicular to the box conveying direction to be positioned in the direction of cutting operation.
  • a side roller 53A is provided on the side to which the boxes 1 are brought.
  • the cutter units 13 (i.e., 13A and 13B ) have a structure as shown in Figs. 4A and 4B to 6A and 6B .
  • each cutter unit 13 has a lift frame 62 mounted on a support 61 striding the conveyor 51 (or 53 ). With rotation of a feed screw 64A driven by a feed motor 64 , the lift frame 62 is lifted and lowered while being guided by a slide guide 63 secured to the support 61 .
  • the lift frame 62 carries a horizontally movable frame 65 . With rotation of a feed screw 67A driven by a horizontal drive motor 67 , the horizontally movable frame 65 is moved horizontally while being guided by a slide guide 66 secured to the lift frame 62 .
  • the lift frame 62 and horizontally movable frame 65 have a left and a right cutter 71A and 71B , respectively.
  • the cutters 71A and 71B have the same structure. As shown in Figs. 5A and 5B , they each have a vertical shaft 72 provided on the lift frame 62 (or horizontally movable frame 65 ), a pivotal lever 73 pivoted to the vertical shaft 72 , a pivotal arm 75 pivoted to a horizontal shaft 74 provided in the pivotal lever 73 , an intermediate lever 77 pivoted via a horizontal shaft 76 to the pivotal arm 75 , and a support member 79 mounted via a vertical shaft 78 on the intermediate lever 77 .
  • the support 79 is thus held suspended substantially horizontally.
  • the support 79 has a guide plate (or guide) 81 and a cutter 82 both secured to it.
  • the lift frame 62 (or horizontally movable frame 65 ) has a spring bearing 83 which has a vertical air spring 74 and a horizontal air spring 85 .
  • the vertical air spring 84 exerts a vertical spring force based on an air pressure to the pivotal arm 75
  • the horizontal air spring 85 exerts a horizontal spring force based on an air pressure to the pivotal arm 75 .
  • the guide plate 81 has a corner guide 81A which is set such as to extend in the direction of conveying cardboard boxes 1 to receive each thereof fed on the conveyor 51 (or 53 ) in forced contact with the edges 1A of the top of the box 1 (with spring forces of the springs 84 and 85 ) and guide the box 1 in a predetermined direction of cutting operation.
  • the guide plate 81 has an opening formed by an inlet guide 81B on the inlet side of the corner guide 81A to smoothly guide the box 1 being introduced.
  • the guide may as well be such as to guide each box 1 in contact with sides thereof alone and not in contact with the edges 1A of the top.
  • Each cutter 82 is a laser cutter using a CO 2 laser or the like.
  • the cutter 82 is set in a mounting position relative to the guide plate 81 on the support 79 such that its cutting zone is defined with respect to the cardboard box 1 such as to extend from the corner portion of the box 1 along the top edge 1A into the cardboard 2 and be confined in these parts of the box 1 . That is, the cutter 82 cuts the top outer liner 3 of the box 1 and the folded portion 4B of the inner liner 4 on the back side of that outer liner 3 .
  • the laser cutter 82 may be replaced with a rotary blade 91 or the like as shown in Fig. 6B .
  • the rotary blade 91 or the like is again set so its cutting zone is confined in the thickness of the cardboard 2 so that it cuts the top outer liner of the box 1 and the folded portion 4B of the inner liner 4 on the back side of that outer line 3 .
  • the cutter section 13 sets the position of the left and right cutters 71A and 71B afresh for each article kind by controlling the lift motor 64 and horizontal drive motor 67 according to an instruction of the control CPU (i.e., instruction for setting the height and width of the top of box 1 ) corresponding to the pertinent article kind. That is, the setting position of the left and right cutters 71A and 71B are fixed for like cardboard boxes 1 .
  • the cutter units 13 i.e., 13A and 13B ) cut a plurality of cardboard boxes 1 successively while the boxes 1 are conveyed as a train on the conveyor 51 or 52 .
  • This embodiment has the following effects.
  • the box need not be a cuboid, but it may be any polyhedron as well.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)

Claims (6)

  1. Verfahren zum Schneiden einer Pappkartonschachtel (1) unter Verwendung einer Schneideinrichtung (82,91) mit einer Schneidzone, gekennzeichnet durch Positionieren der Schneidzone der Schneideinrichtung (82,91) in einem Bereich, der sich ausgehend von einer äußeren Lage (3) einer Pappkartonseitenwand, welche benachbart der zu öffnenden Seitenwand ist, zu einer inneren Lage (4) der Pappkartonseitenwand erstreckt und zwischen diesen Teilen der Pappkartonschachtel (1) begrenzt ist, und Schneiden einer äußeren Lage (3) der zu öffnenden Seite und einer Faltungslinie (4A), welche an einem Pappkartonkantenabschnitt durch Falten der inneren Lage (4), sich in die Dicke des Pappkartons (2) erstreckend auf der Rückseite der äußeren Lage (3) entlang der Pappkartonkante (1A) ausgebildet ist.
  2. Gerät zum Schneiden einer Pappkartonschachtel (1) mit einer Schneideinrichtung (82,91), die eine Schneidzone und eine Transporteinrichtung (51,53) zum Transportieren der Pappkartonschachtel (1) aufweist, dadurch gekennzeichnet, daß die Schneidenrichtung (82,91) an einer Führungseinrichtung (81) zur Führung der oberen Pappkartonecke (1A) der Pappkartonschachtel (1) in einer Schachteltransportrichtung gelagert ist, und daß die Schneidzone der Schneideinrichtung (82,91) derart angeordnet ist, daß während des Gebrauchs diese in einem Bereich der sich ausgehend von einer äußeren Lage (3) einer Pappkartonseitenwand, welche benachbart der zu öffnenden Seitenwand ist, zu einer inneren Lage (4) der Pappkartonseitenwand erstreckt und zwischen diesen Teilen der Pappkartonschachtel (1) begrenzt ist zum Schneiden einer äußeren Lage (3) der zu öffnenden Seite und einer Faltungslinie (4A), welche an einem Pappkartonkantenabschnitt durch Falten der inneren Lage (4), die sich in die Dicke des Pappkartons (2) erstreckend auf der Rückseite der äußeren Lage (3) entlang der Pappkartonkante (1A) ausgebildet ist.
  3. Vorrichtung zum Schneiden und Öffnen von Pappkartonschachteln umfassend eine erste Schneideinheit (13A), die an einer ersten Transporteinrichtung (51) angeordnet ist zum Schneiden eines Eckabschnitts der Pappkartonschachtel (1) entlang einer Kante (1A) derselben, die sich in die Schachteltransportrichtung erstreckt, eine Transportrichtungsänderungseinheit (13C), die an der Ausgangsseite der ersten Transporteinheit (51) vorgesehen ist und eine 90° Drehung in der horizontalen Ebene der Richtung des Transports der Pappkartonschachtel (1) veranlaßt, eine zweite Schneideinheit (13B), die an einer zweiten Transporteinrichtung (53) angeordnet ist, welche an der Ausgangs-seite der Transportrichtungsänderungseinheit (13C) vorgesehen ist, zum Schneiden eines Eckabschnitts der Pappkartonschachtel (1), die aus derTransportrichtungsänderungseinheit (13C) transportiert ist entlang einer Kante, die sich in der neuen Schachteltransportrichtung erstreckt, wobei die erste und zweite Schneideinheit (13A,13B) jeweils ein Gerät zum Schneiden einer Pappkartonschachtel gemäß Anspruch 2 beinhaltet.
  4. Vorrichtung zum Schneiden und Öffnen von Pappkartonschachteln gemäß Anspruch 3, wobei die Führungseinrichtung (81) eine Eckenführung (81A) aufweist, welche entlang der Schachteltransportrichtung angeordnet ist, die Eckenführung (81A) dient der Aufnahme der Pappkartonschachtel (1), die auf der ersten und zweiten Transporteinrichtung (51,53) transportiert wird in kraftschlüssigem Kontakt mit den Kanten (1A) der Oberseite der Pappkartonschachtel (1), um die Pappkartonschachtel (1) in einer vorgegebenen Richtung der Schneidoperation zu führen, die Eckenführung (81A) weist einen Einlaßführungsabschnitt (81B) auf, welcher eine Öffnung definiert zur sanften Führung der Pappkartonschachtel (1), die in die Eckführung (81A) eingeführt wird.
  5. Vorrichtung zum Schneiden und Öffnen von Pappkartonschachteln gemäß Anspruch 3, wobei die Scheindeinrichtung eine Laserschneideinrichtung ist.
  6. Vorrichtung zum zum Schneiden und Öffnen von Pappkartonschachteln gemäß Anspruch 3, wobei die Schneideinrichtung ein rotierendes Messer ist.
EP96102684A 1995-03-10 1996-02-22 Verfahren und Vorrichtung zum Aufschneiden von Pappschachteln Expired - Lifetime EP0731029B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7078497A JPH08244737A (ja) 1995-03-10 1995-03-10 段ボール箱の切断処理方法及び装置
JP78497/95 1995-03-10

Publications (2)

Publication Number Publication Date
EP0731029A1 EP0731029A1 (de) 1996-09-11
EP0731029B1 true EP0731029B1 (de) 1998-06-17

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Application Number Title Priority Date Filing Date
EP96102684A Expired - Lifetime EP0731029B1 (de) 1995-03-10 1996-02-22 Verfahren und Vorrichtung zum Aufschneiden von Pappschachteln

Country Status (4)

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EP (1) EP0731029B1 (de)
JP (1) JPH08244737A (de)
KR (1) KR960034016A (de)
DE (1) DE69600358T2 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10108886A1 (de) * 2001-02-19 2002-08-29 Jenoptik Automatisierungstech Verfahren zum automatischen Einbringen einer Öffnungshilfe in eine quaderförmige Verpackung und quaderförmige Verpackung zum automatischen Einbringen einer Öffnungshilfe
CN106628458A (zh) * 2016-12-29 2017-05-10 楚天智能机器人（长沙）有限公司 一种基于智能拆包系统的拆包去膜方法
US10806635B2 (en) 2016-03-15 2020-10-20 The Procter & Gamble Company Methods and apparatuses for separating and positioning discrete articles

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0864501A2 (de) 1997-03-07 1998-09-16 Baldwin-Japan Ltd. Methode und Vorrichtung zum Öffnen einer Verpackung
DE10202271B4 (de) * 2002-01-22 2005-10-27 British American Tobacco (Germany) Gmbh Verfahren und Vorrichtung zum Ablösen einer Umverpackung von Zigarettenpackungen
US20120143726A1 (en) * 2006-05-02 2012-06-07 Munroe Chirnomas Automated Storage and Distribution System
DE202006016123U1 (de) * 2006-10-21 2008-03-06 Hls Produktions- Und Automatisierungstechnik Gmbh Vorrichtung zum Öffnen von Verpackungen
WO2016073819A1 (en) 2014-11-07 2016-05-12 The Procter & Gamble Company Process and apparatus for manufacturing an absorbent article using a laser source

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3135048A (en) * 1961-06-23 1964-06-02 Kutz Kwik Inc Tray pack cutter
DE2350933C3 (de) * 1973-10-10 1981-10-29 Winkler & Dünnebier, Maschinenfabrik und Eisengießerei GmbH & Co KG, 5450 Neuwied Vorrichtung zum Formbrennschneiden einer bewegten Materialbahn mittels eines Laserstrahles
FR2253356A5 (en) * 1973-11-30 1975-06-27 Giraud Paul Portable power saw for cutting open thick cardboard boxes - has L section guide frame with saw disc traversing either leg
JPH0285123A (ja) * 1988-09-08 1990-03-26 Seibu Electric & Mach Co Ltd 箱体の切断方法及びその装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10108886A1 (de) * 2001-02-19 2002-08-29 Jenoptik Automatisierungstech Verfahren zum automatischen Einbringen einer Öffnungshilfe in eine quaderförmige Verpackung und quaderförmige Verpackung zum automatischen Einbringen einer Öffnungshilfe
US10806635B2 (en) 2016-03-15 2020-10-20 The Procter & Gamble Company Methods and apparatuses for separating and positioning discrete articles
CN106628458A (zh) * 2016-12-29 2017-05-10 楚天智能机器人（长沙）有限公司 一种基于智能拆包系统的拆包去膜方法

Also Published As

Publication number Publication date
KR960034016A (ko) 1996-10-22
JPH08244737A (ja) 1996-09-24
DE69600358T2 (de) 1998-10-15
EP0731029A1 (de) 1996-09-11
DE69600358D1 (de) 1998-07-23

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