EP0575008B1 - Verpackungsmaschine - Google Patents

Verpackungsmaschine Download PDF

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Publication number
EP0575008B1
EP0575008B1 EP93201735A EP93201735A EP0575008B1 EP 0575008 B1 EP0575008 B1 EP 0575008B1 EP 93201735 A EP93201735 A EP 93201735A EP 93201735 A EP93201735 A EP 93201735A EP 0575008 B1 EP0575008 B1 EP 0575008B1
Authority
EP
European Patent Office
Prior art keywords
folding
mandrel
members
container
pressure
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
EP93201735A
Other languages
English (en)
French (fr)
Other versions
EP0575008A1 (de
Inventor
Michio C/O Shikoku Kakoki Co. Ltd. Ueda
Shigeru c/o Shikoku Kakoki Co. Ltd. Wakabayashi
Kazuo C/O Shikoku Kakoki Co. Ltd. Abe
Shoji C/O Shikoku Kakoki Co. Ltd. Hirose
Shoji C/O Shikoku Kakoki Co. Ltd. Nishioka
Yasuji C/O Shikoku Kakoki Co. Ltd. Fujikawa
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.)
Shikoku Kakoki Co Ltd
Original Assignee
Shikoku Kakoki Co Ltd
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 Shikoku Kakoki Co Ltd filed Critical Shikoku Kakoki Co Ltd
Publication of EP0575008A1 publication Critical patent/EP0575008A1/de
Application granted granted Critical
Publication of EP0575008B1 publication Critical patent/EP0575008B1/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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/08—Forming three-dimensional [3D] containers from sheet material
    • B65B43/10—Forming three-dimensional [3D] containers from sheet material by folding the material
    • 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
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/02—Machines characterised by the incorporation of means for making the containers or receptacles
    • B65B3/025—Making parallelepipedal containers from a single carton blank
    • 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
    • B31B50/30—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms the mandrels moving
    • B31B50/32—Folding sheets, blanks or webs around mandrels, e.g. for forming bottoms the mandrels moving in circular paths

Definitions

  • the present invention relates to a packaging machine including a bottom folding device for containers such as cartons for containing milk.
  • such packaging machines comprise a rotor having a mandrel wheel provided by radial mandrels which are successively stoppable at a folding station, a folding device operable on a container fitted around the mandrel as stopped at the folding station for folding an end portion of the container to form the bottom thereof, and a pressure member for holding the container against an axial force exerted on the container by the folding operation of the folding device.
  • the folding operation of the folding device and the pressing operation of the pressure member are effected respectively by two hydraulic cylinders which are operated in synchronism.
  • the known machine described requires a control device for synchromizing the two hydraulic cylinders and is therefore complex.
  • the main object of the present invention is to provide a packaging machine having a simple construction and comprising a folding device and a pressure member which can be operated in synchronism by a single drive source.
  • the present invention provides a packaging machine which comprises a rotor having a mandrel wheel provided by radial mandrels, the mandrels being successively stoppable at a folding station, a folding device operable on a container fitted around the mandrel as stopped at the folding station for folding an end portion of the container to form the bottom thereof, and a pressure member for holding the container against an axial force exerted on the container by the folding operation of the folding device.
  • the packaging machine is characterized in that the pressure member is biased by a spring so that an operation of the folding device before starting the folding operation permits the pressure member to press the container against the mandrel, the container being releasable from the pressure member against the spring by an operation of the folding device subsequent to the folding operation thereof.
  • the pressure member is biased by a spring so that an operation of the folding device before starting the folding operation permits the pressure member to press the container against the mandrel, and the container is relieved of the pressure of the pressure member against the spring by an operation of the folding device after the folding operation. Accordingly, the present machine requires no hydraulic cylinder for operating the pressure member unlike the conventional machine described first.
  • the folding device and the pressure member are operable in synchronism by a single drive source.
  • the packaging machine provided by the invention is therefore simplified in construction.
  • FIG. 7 shows a container 11 as inverted.
  • the container 11 comprises a trunk forming portion 12 for providing a trunk portion, a top forming portion 13 to be made into a top portion, and a bottom forming end portion 14.
  • the bottom forming end portion 14 comprises rectangular first to fourth bottom panels 15 to 18 which are integral with one another endlessly.
  • An inverted V-shaped score 19 is formed in the first and third bottom panels 15, 17.
  • the container 11 is fitted around a mandrel 21 with its bottom forming end portion 14 projecting outward beyond the mandrel 21.
  • the first and third bottom panels 15, 17 extend orthogonal to the direction of movement of the mandrel (indicated by arrows in FIGS. 2 and 3).
  • the second and fourth bottom panels 16, 18 extend in parallel to the direction of movement of the mandrel.
  • the packaging machine comprises an intermittently drivable rotor 22 having eight radial mandrels 21 so arranged as to stop at first to eighth eight processing stations I to VIII successively, a container feeder 23 disposed at the first processing station I, a bottom heater 24 disposed at the fourth processing station IV, a bottom folding device 25 at the fifth processing station V, a bottom compression bonding device 26 at the sixth station VI, a container discharge device 27 at the eighth processing station VIII and a container transport conveyor 28 extending from the eighth processing station VIII as the starting end of its transport path.
  • the second processing station II, third processing station III and seventh processing station VII are all supplementary stations.
  • the bottom folding device 25 comprises a yoke 30 disposed outwardly of and in alignment with the mandrel 21 as stopped at the fifth processing station V, a pair of first folding members 31 mounted on the yoke 30 and openable in the direction of movement of the mandrel, a pair of second folding members 32 mounted on the yoke 30 and openable in a direction orthogonal to the direction of movement of the mandrel, and a pressure member 33 for pressing the container 11 against the mandrel 21 before the first folding members 31 perform a folding operation.
  • the yoke 30 is in the form of a box which is open inward, and is fixedly connected to the bottom compression bonding device 26 by a bracket 34.
  • the bonding device 26 is supported by a machine frame.
  • a pair of inner support shafts 35 extending in parallel to each other in a direction orthogonal to the direction of movement of the mandrel are rotatably mounted on the yoke 30 at its inner end.
  • a pair of outer support shafts 36 extending in parallel to each other in the direction of movement of the mandrel are rotatably provided externally of the shafts 35.
  • a pair of meshing gears 37, and a pair of meshing gears 38 are fixed to the inner support shafts 35, and the outer support shafts 36, respectively.
  • Each of the two first folding members 31 comprises a depending plate 41 fixed at its upper end to the inner support shaft 35 and a triangular plate 42 secured to the lower end of the depending plate 41.
  • the pair of triangulare plates 42 are in an inverted V-shape in vertical section (indicated in broken lines in FIG. 3).
  • Each of the two second folding members 32 comprises a depending bar 43 fixed at its upper end to the outer support shaft 36 and a horizontal rod 44 secured to the lower end of the depending bar 43.
  • the pair of horizontal rods 44 of the members 32 extend in parallel to each other.
  • One of the bars 43 has a contact portion 45 extending inward for the pressure member 33.
  • a horizontal rotary shaft 50 Disposed outwardly of the yoke 30 is a horizontal rotary shaft 50 extending in parallel to the inner support shaft 35.
  • the shaft 50 is supported and driven by unillustrated means.
  • Fixed to the rotary shaft 50 are a downward first arm 51 and an upward second arm 52.
  • the first arm 51 has connected thereto one end of a first rod 53, the other end of which is connected to one of the first folding members 31.
  • a second rod 54 has one end connected to the second arm 52 and the other end connected to a third arm 55 secured to one of the outer support shafts 36.
  • the pressure member 33 comprises a pressure pad 61 facing the path of movement of the mandrel, and a retractable rod 62 extending from the pressure pad 61 in a direction opposite to the mandrel 21 and orthogonal to the axis of the mandrel.
  • the rotor 22 has two mandrel wheels. Disposed between two mandrels 21 brought to a halt at the fifth processing station V is an inclined post 63 extending from a rotor bearing in parallel to the mandrels. Arranged on a support plate 64 on the upper end of the post 63 are the retractable rods 62 of two pressure members 33 corresponding to the two mandrels. These rods 52 extend in opposite directions in alignment with each other, and are each supported by a bearing 65 on the plate 64 so as to project outward beyond the bearing 65. A pusher plate 66 and a spring retainer 67 are secured to each of the opposed ends of the two retractable rods 62. A coiled compression spring 68 is provided between the two spring retainers 67, whereby each pressure member 33 is always biased toward the corresponding mandrel 21.
  • the first and second folding members 31, 32 are both in their open position (in the solid-line state shown in FIGS. 2 to 4). In this state, the contact portion 45 of the second folding member 32 is in bearing contact with the pusher plate 66, holding the pressure member 33 away from the mandrel 21 against the spring 68.
  • the rotary shaft 50 is driven counterclockwise in FIG. 3, and the first and second folding members 31, 32 start to move from the open position toward, a closed position at the same time.
  • the first folding members 31 first fold the first and third bottom panels 15, 17 of the container 11 as fitted around the mandrel 21 inward along the scores 19.
  • the second folding members 32 inwardly fold the second and fourth bottom panels 16, 18 over the folded first and third bottom panels 15, 17.
  • the pressure member 33 moves toward the mandrel 21 and is pressed against the mandrel 21 with the container 11 positioned there-between. The time when the pressure member is thus pressed is before the first folding members 31 perform the folding operation.
  • the container 11 fitted to the mandrel 21 by the folding operation of the first and second folding members 31, 32 is subjected to outward and inward forces, the container 11 is held to the mandrel 21 against movement by being pressed against the mandrel 21 by the pressure member 33.
  • the first and second folding members 31, 32 reach the closed position, whereby the folding operation is completed, whereupon the rotary shaft 50 is now driven clockwise in FIG. 3.
  • the first and second folding members 31, 32 start to move from the closed position toward the open position at the same time.
  • the first folding members 31 directly move to the open position, while the second folding member 32 comes into contact with the pusher plate 66 of the pressure member 33 in the course of the movement and moves to the closed position while moving the plate 66 away from the mandrel 21.
  • the rotor 22 is then driven by one pitch, the container 11 with the folded bottom is brought out of the fifth processing station V, the container 11 to be folded next is delivered to the station V, and the machine resumes the initial state to complete one cycle of folding operation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)

Claims (4)

  1. Eine Verpackungsmaschine mit:
    einem Rotor (22) mit einem Dornrad, das mit radialen Dornen (21) versehen ist, wobei die Dorne (21) nacheinander an einer Faltstation (V) anhaltbar sind,
    einer Faltvorrichtung (25) zum Arbeiten auf einen auf den Dorn (21) aufgesetzten Behälter (11), wenn er an der Faltstation (V) angehalten ist, um einen Endbereich (14) des Behälters zu falten und so den Boden von diesem zu bilden, und
    einem Druckelement (33), um den Behälter (11) gegen die axiale Kraft, die auf den Behälter (11) durch den Faltvorgang der Faltvorrichtung (25) ausgeübt wird, zu halten,
    wobei die Verpackungsmaschine dadurch gekennzeichnet ist,
    daß das Druckelement (33) durch eine Feder (68) vorgespannt ist, so daß eine Betätigung der Faltvorrichtung (25) vor dem Beginn des Faltvorgangs es dem Druckelement (33) erlaubt, den Behälter (11) gegen den Dorn (21) zu drücken, wobei der Behälter von dem Druckelement (33) entgegen der Feder (68) durch Betätigung der Faltvorrichtung (25) nach dem Faltvorgang von dieser lösbar ist.
  2. Eine Verpackungsmaschine wie in Anspruch 1 definiert, worin die Faltvorrichtung (25) erste Faltelemente (31) und zweite Faltelemente (32) hat, wobei sowohl die ersten Faltelemente (31) als auch die zweiten Faltelemente (32) frei sind zu öffnen und zu schließen, der Behälterendbereich (14) durch vier Bodenplatten (15) bis (18) gebildet ist, wobei sich erste und dritte Bodenplatten (15,17) in einer Richtung orthogonal zu der Bewegungsrichtung der Dorne erstrecken und zuerst durch die ersten Faltelemente (31) faltbar sind, wenn die ersten Faltelemente (31) sich von einer offenen Position in Richtung einer geschlossenen Position bewegen, zweite und vierte Bodenplatten (16,18) sich parallel zur Bewegungsrichtung der Dorne erstrecken und nach den ersten und dritten Bodenplatten (15,17) durch die zweiten Faltelemente (32) faltbar sind, wenn die zweiten Faltelemente (32) sich von einer offenen Position in eine geschlossene Position bewegen, wobei die Druckelemente (33) zu einem Seitenbereich des Dorns (21) und weg von diesem bewegbar sind, das Druckelement (33) von dem Dorn (21) entgegen der Feder (68) wegbewegbar ist, wenn sich die zweiten Faltelemente (32) von der geschlossenen Position in Richtung der offenen Position bewegen, das Druckelement (33) in Richtung des Dorns (21) durch die Feder (68) bewegbar ist, wenn die zweiten Faltelemente (32) sich von der offenen Position in Richtung der geschlossenen Position bewegen.
  3. Eine Verpackungsmaschine wie in Anspruch 2 definiert, worin das Druckelement (32) einen Druckschuh (61), der dem Dorn (21) zugewandt positioniert ist, eine zurückziehbare Stange (62), die sich von dem Druckschuh (61) in einer Richtung entgegengesetzt zu dem Dorn (21) und orthogonal zu der Achse des Dorns erstreckt und in Axialrichtung bewegbar durch ein Tragelement (65) gehalten ist, und eine Stoßplatte (66), die an der zurückziehbaren Stange (62) montiert ist, um es dem zweiten Faltelement (32) zu ermöglichen, in Anlagekontakt mit ihr zu kommen, wenn das zweite Faltelement (32) sich von der geschlossenen Position in Richtung der offenen Position bewegt, umfaßt.
  4. Eine Verpackungsmaschine mit:
    einem Rotor (22) mit zwei Dornrädern, die mit radialen Dornen (21) versehen sind, wobei die Dorne an jedem Rad individuell nacheinander an einer Faltstation (V) anhaltbar sind,
    einem Paar von Faltvorrichtungen (25), die jeweils zwei Dornen (21) entsprechen, wenn diese an der Faltstation (V) angehalten sind, und die jeweils auf einen Behälter (11) arbeiten können, der auf den angehaltenen Dorn (21) aufgesetzt ist, um einen Endbereich (14) des Behälters zu falten und so dessen Boden zu bilden, und
    einem Paar von Druckelementen (32), die den beiden Dornen (21) entsprechen und jeweils geeignet sind, um den Behälter (11) entgegen einer Axialkraft, die auf den Behälter (11) durch den Faltvorgang der Faltvorrichtung (25) ausgeübt wird, zu halten,
    wobei die Verpackungsmaschine dadurch gekennzeichnet ist,
    daß die beiden Druckelemente (33) durch eine Feder (68) vorgespannt sind, so daß eine Betätigung jeder Faltvorrichtung (25) vor dem Beginn des Faltvorgangs es dem Druckelement (33) erlaubt, den entsprechenden Behälter (11) gegen den Dorn (21) zu drucken, wobei der Behälter von dem Druckelement (33) entgegen der Feder (68) durch eine Betätigung der Faltvorrichtung (25) nach deren Faltvorgang lösbar ist,
    daß jede der Faltvorrichtungen (25) erste Faltelemente (31) und zweite Faltelemente (32) hat, wobei sowohl die ersten Faltelemente (31) als auch die zweiten Faltelemente (32) frei sind zu öffnen und zu schließen, der Behälterendbereich (14) durch vier Bodenplatten (15) bis (18) gebildet ist, wobei erste und dritte Bodenplatten (15,17) sich in einer Richtung senkrecht zur Bewegungsrichtung der Dorne erstrecken und zuerst durch die ersten Faltelemente (31) faltbar sind, wenn die ersten Faltelemente (31) sich aus einer offenen Position in eine geschlossene Position bewegen, zweite und vierte Bodenplatten (16,18) sich parallel zur Bewegungsrichtung der Dorne erstrecken und nach den ersten und dritten Bodenplatten (15,17) durch die zweiten Faltelemente (32) faltbar sind, wenn die zweiten Faltelemente (32) sich von einer offenen Position in Richtung einer geschlossenen Position bewegen,
    daß die beiden Druckelemente (33) zwischen den beiden Dornen (21) angeordnet sind und jeweils in Richtung des entsprechenden Dorns (21) und von diesem weg bewegbar sind,
    daß die Druckelemente (33) von dem entsprechenden Dorn (21) entgegen der Feder (68) wegbewegbar sind, wenn sich die zweiten Faltelemente der entsprechenden Faltvorrichtung (25) von der geschlossenen Position in Richtung der offenen Position bewegen, wobei das Druckelement (33) in Richtung des Dorns (21) durch die Feder (68) bewegbar ist, wenn die zweiten Faltelemente (32) der Faltvorrichtung (25) sich von der offenen Position in Richtung der geschlossenen Position bewegen,
    daß die beiden Druckelemente (33) zwei Druckschuhe (61), die jeweils so positioniert sind, daß sie dem entsprechenden Dorn (21) zugewandt sind, zwei zurückziehbare Stangen (62), die sich jeweils von den beiden Druckschuhen (61) in Richtung und parallel zueinander erstrecken, und zwar jeweils orthogonal zu der Achse des entsprechenden Dorns, und axial bewegbar durch ein Tragelement (65) gehalten sind, und zwei Druckplatten (66), die an den entsprechenden zurückziehbaren Stangen (62) montiert sind, um es dem zweiten Faltelement (32) der Faltvorrichtung (25) zu ermöglichen, in Anlagekontakt mit ihnen zu kommen, wenn sich das zweite Faltelement (32) von der geschlossenen Position in die offene Position bewegt, umfaßt, wobei die Feder (68) zwischen den beiden zurückziehbaren Stangen (62) angeordnet ist.
EP93201735A 1992-06-16 1993-06-16 Verpackungsmaschine Expired - Lifetime EP0575008B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP156880/92 1992-06-16
JP15688092A JP3245646B2 (ja) 1992-06-16 1992-06-16 容器底部折畳み装置

Publications (2)

Publication Number Publication Date
EP0575008A1 EP0575008A1 (de) 1993-12-22
EP0575008B1 true EP0575008B1 (de) 1996-09-04

Family

ID=15637413

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93201735A Expired - Lifetime EP0575008B1 (de) 1992-06-16 1993-06-16 Verpackungsmaschine

Country Status (4)

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EP (1) EP0575008B1 (de)
JP (1) JP3245646B2 (de)
DE (1) DE69304431T2 (de)
DK (1) DK0575008T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6887191B2 (en) 2000-10-12 2005-05-03 International Paper Company Carton bottom forming method and apparatus

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2141437C1 (ru) * 1998-08-07 1999-11-20 Ложников Александр Николаевич Установка для формирования пакетов коробчатой формы и заполнения их текучим продуктом
US6626810B1 (en) 1999-10-13 2003-09-30 International Paper Company Carton bottom forming method and apparatus
US7380389B2 (en) * 2006-04-17 2008-06-03 Tetra Laval Holdings & Finance, Sa Bottom pre-folder for carton with folded-in gusset tips
JP4944144B2 (ja) * 2009-02-24 2012-05-30 石塚硝子株式会社 ボトムフォルダー駆動装置
CN111941924B (zh) * 2020-08-14 2024-07-19 平阳申华印刷机械有限公司 连体纸盒的旋转式盖合装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4484431A (en) * 1980-02-22 1984-11-27 Dai Nippon Insatsu Kabushiki Kaisha Apparatus for erecting, filling and sealing bag-in-box packages
DE3125624A1 (de) * 1981-06-30 1983-01-13 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zum herstellen von packungshuelsen
JPS6317007U (de) * 1986-07-15 1988-02-04
JP2813820B2 (ja) * 1989-09-13 1998-10-22 四国化工機株式会社 容器成形装置
JP3121827U (ja) 2006-01-19 2006-06-01 和幸 星原 リモートコントロール式全天空撮影デジタルカメラ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6887191B2 (en) 2000-10-12 2005-05-03 International Paper Company Carton bottom forming method and apparatus

Also Published As

Publication number Publication date
DE69304431D1 (de) 1996-10-10
EP0575008A1 (de) 1993-12-22
DK0575008T3 (da) 1996-09-23
DE69304431T2 (de) 1997-02-06
JPH05345372A (ja) 1993-12-27
JP3245646B2 (ja) 2002-01-15

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