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EP0086153B2 - Maschine zum Falten von Platten - Google Patents

Maschine zum Falten von Platten Download PDF

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Publication number
EP0086153B2
EP0086153B2 EP83400236A EP83400236A EP0086153B2 EP 0086153 B2 EP0086153 B2 EP 0086153B2 EP 83400236 A EP83400236 A EP 83400236A EP 83400236 A EP83400236 A EP 83400236A EP 0086153 B2 EP0086153 B2 EP 0086153B2
Authority
EP
European Patent Office
Prior art keywords
folding
conveyor
belt
machine
plates
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
EP83400236A
Other languages
English (en)
French (fr)
Other versions
EP0086153B1 (de
EP0086153A1 (de
Inventor
Bernard Capdeboscq
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.)
Martin SA
Original Assignee
Martin SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9270662&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0086153(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Martin SA filed Critical Martin SA
Publication of EP0086153A1 publication Critical patent/EP0086153A1/de
Application granted granted Critical
Publication of EP0086153B1 publication Critical patent/EP0086153B1/de
Publication of EP0086153B2 publication Critical patent/EP0086153B2/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
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H45/00—Folding thin material
    • B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
    • B65H45/22—Longitudinal folders, i.e. for folding moving sheet material parallel 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • 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
    • B31B50/36—Folding sheets, blanks or webs by continuously feeding the sheets, blanks or webs to stationary members, e.g. plates, ploughs or cores
    • 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
    • B31B2100/0022—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 made from tubular webs or blanks, including by tube or bottom forming operations
    • 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
    • B31B2120/30—Construction of rigid or semi-rigid containers collapsible; temporarily collapsed during manufacturing
    • 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
    • B31B50/58—Folding sheets, blanks or webs by moving endless belts or chains

Definitions

  • the present invention relates to a machine for folding plates, and more particularly, by way of example, to a machine intended for folding packaging cases of corrugated cardboard after their shaping and printing.
  • the extreme transverse panels of the blank are folded inwards and glued to each other.
  • the folding is generally done by moving the boxes along an endless conveyor (belts, chains, etc ...) holding the central part of the blank firmly between the two folding lines thereof, the extreme panels supported by inclined bars which force them to rise or lower depending on whether the folding takes place from above or from below.
  • the extreme panels are thus brought vertically, and they are then generally taken up by other bars which end the folding flat.
  • the present invention aims to provide a solution to the drawbacks of these known devices. It relates to a plate folding machine with which flaps are associated by a folding line, provided with a conveyor of the plates to be folded equipped with means making it possible to advance these plates during the cycle of the general movement of the machine, also provided elements for folding by lateral thrust, at least part of which consists of at least one endless strand passing around end pulleys and associated with pusher lugs, angularly displaceable and the plane bearing surface of which is always in alignment throughout the folding phase with the folding line, placed along said endless strand in correspondence with the successive plates on the conveyor, said endless strand also being equipped with means enabling it to advance in the machine cycle, characterized in that that the endless strand carries directly and without relative movement therewith the pusher cleats, in that the end pulleys are located p art and other of said folding line and in that the angular position of said end pulleys is adaptable as a function of the folding angle of the flaps.
  • the cardboard blanks are introduced into the machine in the form of plates 1 filled with two longitudinal marks 2, 3, obtained previously by crushing, or "upsetting” , cardboard. These marks form hinges around which the flaps 5 and 6 will be folded.
  • the folding is carried out by longitudinal displacement of the blank 1 along the folder.
  • the meeting of the flaps 5, 6, with folding elements, constituted here by two twisted bars 7, 8, conventional, causes the rotation of these flaps, around the corresponding hinges 2, 3, respectively 180 degrees to the right and left , until the flaps are in superposition with the central part 9 of the blank 1, all of this first part of the device being extremely conventional.
  • the blanks 1 are transported through the folder using a conveyor comprising two endless belts 10, 11, pierced with holes 4 regularly distributed in the longitudinal direction, as can be clearly seen in Figure 2.
  • the the distance between these holes 4 is adjusted so as to allow their engagement in the corresponding end pulleys upstream 12, 13 and downstream 14, 15, each of said pulleys being consequently provided with fingers 115 regularly distributed.
  • Each finger 115 has a pointed shape, although having an upper flat 17, and has lateral profiles 16 substantially in the form of involutes of a circle, as you can see in FIG. 2.
  • the upstream pulleys 12 and 13 are mounted idly, while the downstream pulleys 14 and 15 are integral with a shaft 18 driven in rotation by the general movement of the machine.
  • the driving pulleys 14 and 15 thus ensure an advance of the conveyor belts 10 and 11, during the machine cycle, while the holes 4, in combination with the associated fingers 115, allow permanent refocusing of said belts, permanently correcting their movement by in particular despite their fluctuations in length, and thus guaranteeing their perfect cycling.
  • the holes 4 also serve as suction orifices making it possible to guarantee the plating of the central part 9 of the blanks 1 on the active parts of the conveyor belts 10 and 11, and therefore to guarantee their advance during the cycle of the machine.
  • Under each conveyor belt 10, 11, is therefore placed a suction box, respectively 19 and 20 connected to a vacuum pump by pipes 21 ( Figure 2).
  • the folding machine which has just been described has the advantage of guaranteeing the advancement of the plates during the machine cycle.
  • it uses conventional folding elements 7, 8 which has the disadvantage, with certain qualities of cardboard, of risking folding the flaps slightly crosswise.
  • the embodiment which will now be described uses pusher cleats which move, by means of belts, chains, cables, or the like, during the cycle of the machine, that is to say at exactly the same theoretical speed as the plates to be folded, gradually pressing on the flaps to be folded.
  • the flaps can be folded from 0 to 180 degrees.
  • Everything happens in short, with this kind of device as if two slaves were folding the two flaps by pushing laterally on them while moving in the same direction as the boxes and at the same speed.
  • the folding bars 7 and 8 of FIG. 1 are, in this embodiment, replaced by a set of endless twisted belts 22, each turning at the cycle of the machine around end pulleys 23, 24 driven by pulleys 12 of conveyor 10 and carrying, at regular intervals in correspondence with the blanks on conveyor 10, groups of pusher cleats 25.
  • the belts 22 are positioned so that their strand "go", or active, is in alignment with the hinge 2 associated, and the tabs 25 have such a section it is the same for their bearing face 26.
  • the belts 22 are lined with the same holes 4 as the conveyor belts 10 and 11 of Figure 1, and the end pulleys 23 and 24 are likewise lined with fingers correction 115 identical to those described above with reference to FIG. 2.
  • a set of small intermediate pulleys 27 also makes it possible to maintain the belt 22 on the desired twisted path allowing the progressive folding of the flap 5 on the central part 9 of the blank.
  • each belt 22 is adjusted by acting on the relative positions of the pulleys 23, 24 and 27.
  • the belt 22 folds the flap 5 at an angle of approximately 180 degrees and, consequently, the end pulleys 24 and 23 have the positions shown in FIGS. 4 and 6 respectively.
  • the folding takes place gradually as it clearly appears from the three successive phases shown diagrammatically in FIGS. 4 to 6.
  • the respective positions of the end pulleys are adjusted according to the desired folding, easily determined, as in the case of FIGS. 4 and 6, so that the upstream pulley ensures, with a cleat 25, the initial folding position, and that the downstream pulley ensures, with a cleat 25, the final folding position.

Landscapes

  • Making Paper Articles (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Claims (3)

1. Machine zum Falten von Platten, an welchen die Seitenklappen (5) über eine Faltline (2) verbunden sind, mit einem Förderer (10, 11) für die zu faltenden Platten mit Mitteln (4,14,15,19) zum Vorschub der Platten (1) im Zyklus der allgemeinen Maschinenbewegung, mit Seitenschubfaltvorrichtungen, von welchen wenigstens ein Teil aus einem um Endrollen (23, 24) laufenden, endlosen Band (22) mit Seitenmarken die winkelmässig verschiebbar sind und deren ebene Tragfläche jeweils während dem ganzen Faltvorgang auf die Faltlinie ausgerichtet bleibt und die entlang dem erwähnten endlosen Band (22) entsprechend den auf dem Förderer (10,11) nacheinander laufenden Platten 1 angeordnet werden, wobei das endlose Band (22) auch mit Mitteln (23,24,115) ausgestattet ist, welche ihm gestatten, sich mit dem Zyklus der Maschine vorwärtszubewegen, dadurch gekenzeichnet, dass das endlose Band (22) unmittelbar und ohne relative Bewegung mit dem letzteren entsprechende Stossmarken (25) trägt, dass die Endrollen auf beiden Seiten der erwähnten Faltlinie (2) angeordnet sind, und dass die Winkelstellung der erwähnten Endrollen (23, 24) entsprechend dem Faltwinkel der Seitenklappen (5) angeordnet sind.
2. Maschine nach Anspruch 1, gekennzeichnet durch einen Förderer für die zu faltenden Platten der mindestens einen Riemen (10, 11) mit in Längsrichtung in gleichmässigen Abständen vorgesehenen Löchern (4) aufweist, wobei der Mittenabstand zwischen diesen Löchern das Eingreifen mindestens in eine Scheibe (14, 15) zulässt, die folglich Eingriffsvorsprünge (115) besitzt, deren Seitenprofile (16) im wessentlichen in Form von Kreisevolventenabschnitten ausgebildet sind.
3. Maschine nach Anspruch 2, gekennzeichnet durch eine durch die Löcher (4) des Riemens wirkende Saugvorrichtung (19, 21), welche die Platten auf dem Förderriemen festhält.
EP83400236A 1982-02-04 1983-02-04 Maschine zum Falten von Platten Expired - Lifetime EP0086153B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8201782A FR2520665B1 (fr) 1982-02-04 1982-02-04 Machine de pliage de plaques
FR8201782 1982-02-04

Publications (3)

Publication Number Publication Date
EP0086153A1 EP0086153A1 (de) 1983-08-17
EP0086153B1 EP0086153B1 (de) 1986-06-18
EP0086153B2 true EP0086153B2 (de) 1990-10-03

Family

ID=9270662

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83400236A Expired - Lifetime EP0086153B2 (de) 1982-02-04 1983-02-04 Maschine zum Falten von Platten

Country Status (5)

Country Link
US (1) US4614512A (de)
EP (1) EP0086153B2 (de)
JP (1) JPS58147346A (de)
DE (1) DE3364116D1 (de)
FR (1) FR2520665B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107877932A (zh) * 2017-11-08 2018-04-06 陈彩飞 一种塑料袋口折叠机构
CN108423375A (zh) * 2018-03-28 2018-08-21 海宁市泰得印刷有限公司 包装盒输送装置中输送带的定位组件

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CN108455189B (zh) * 2018-03-28 2020-09-22 海宁市泰得印刷有限公司 包装盒输送装置中输送带的抵压机构
WO2020141506A1 (en) * 2018-12-30 2020-07-09 Foldimate Inc. Width-folding system and method for creating width-folds in an article of laundry
CN109896099A (zh) * 2019-04-08 2019-06-18 上海禹贵机械有限公司 内衬折叠机、分片装叠机以及装盒整机
FR3101858B1 (fr) * 2019-10-10 2021-10-29 Sidel Packing Solutions Dispositif et procédé de formage de conteneur par pliage
CN110844221B (zh) * 2019-11-18 2024-07-02 中国机械总院集团云南分院有限公司 一种悬臂式张紧调节机构及具有其的包装盒预折机
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CN108423375A (zh) * 2018-03-28 2018-08-21 海宁市泰得印刷有限公司 包装盒输送装置中输送带的定位组件

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JPS58147346A (ja) 1983-09-02
FR2520665A1 (fr) 1983-08-05
FR2520665B1 (fr) 1987-12-24
US4614512A (en) 1986-09-30
JPS6158296B2 (de) 1986-12-11
EP0086153B1 (de) 1986-06-18
EP0086153A1 (de) 1983-08-17
DE3364116D1 (en) 1986-07-24

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