EP0234228B1 - Dispositif pour l'individualisation et l'érection de boîtes pliées - Google Patents

Dispositif pour l'individualisation et l'érection de boîtes pliées Download PDF

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Publication number
EP0234228B1
EP0234228B1 EP19870100491 EP87100491A EP0234228B1 EP 0234228 B1 EP0234228 B1 EP 0234228B1 EP 19870100491 EP19870100491 EP 19870100491 EP 87100491 A EP87100491 A EP 87100491A EP 0234228 B1 EP0234228 B1 EP 0234228B1
Authority
EP
European Patent Office
Prior art keywords
magazine
folding
curved
gripper
conveying device
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
EP19870100491
Other languages
German (de)
English (en)
Other versions
EP0234228A3 (en
EP0234228A2 (fr
Inventor
Wolfgang Ing. Drewke (Grad.)
Otto Ing. Weller (Grad.)
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch 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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP0234228A2 publication Critical patent/EP0234228A2/fr
Publication of EP0234228A3 publication Critical patent/EP0234228A3/de
Application granted granted Critical
Publication of EP0234228B1 publication Critical patent/EP0234228B1/fr
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
    • B31B50/74—Auxiliary operations
    • B31B50/76—Opening and distending flattened articles
    • B31B50/80—Pneumatically
    • 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
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/14—Feeding individual bags or carton blanks from piles or magazines
    • B65B43/16—Feeding individual bags or carton blanks from piles or magazines by grippers
    • B65B43/18—Feeding individual bags or carton blanks from piles or magazines by grippers by suction-operated grippers
    • B65B43/185—Feeding individual bags or carton blanks from piles or magazines by grippers by suction-operated grippers specially adapted for carton blanks
    • 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
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/265—Opening, erecting or setting-up boxes, cartons or carton blanks
    • 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
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/34—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure
    • B65B43/36—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure applied pneumatically
    • B65B43/365—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure applied pneumatically to boxes, cartons or carton blanks
    • 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
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/04—Feeding sheets or blanks
    • B31B50/06—Feeding sheets or blanks from stacks
    • B31B50/062—Feeding sheets or blanks from stacks from the underside of a magazine
    • 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
    • B31B50/76—Opening and distending flattened articles
    • B31B50/80—Pneumatically
    • B31B50/804—Pneumatically using two or more suction devices on a rotating element

Definitions

  • the invention is based on a device for separating and erecting folding boxes according to the preamble of claim 1.
  • a swivel suction device pulls the foremost folding box in the magazine transversely to its extension surface and this also pivots transversely to its extension surface in front of a driver of the conveyor.
  • This conveying device guides the carton taken over on a straight line into a circulation route, where swords that move coaxially and can be shifted axially parallel are inserted and rotated into the funded carton, the originally flat carton being spatially erected while it is held on a side wall by rotating suction heads.
  • a disadvantage of this known device is that subsequent folding boxes are entrained when a folding box is quickly lifted off the magazine.
  • a device for separating and erecting folding boxes in which a plurality of suction pads are arranged on a rotating rotor, which pull the foremost folding box from a magazine essentially in the direction of extension of the folding boxes and on a subsequent one Feed the arcuate circulation path of a conveyor of a cartoning machine.
  • the suction pads are assigned lifting levers which pivot a wall of the folding box not covered by the suction pads on the orbital path of the suction pads, the folding box erecting itself.
  • This known device has a high mechanical outlay for the erecting levers assigned to the rotating suction pads. Also, the erection of the folding boxes, depending on the tension prevailing in the flat-lying folding boxes, is not always ensured by exerting pressure on one of their walls.
  • the inventive device with the characterizing features of claim 1 has the advantage that the Allow folding boxes from the magazine to be separated at high speed and that they will open with certainty as they pass the blow nozzles.
  • folding boxes of different cross-sectional formats can be treated with the device according to the invention without parts in the folding box removal and transfer area having to be adjusted or the individual links having to be readjusted in their movement phase.
  • FIG. 1 shows a folding box separating and erecting device simplified in a side view
  • FIG. 2 shows a conveyor device of the device according to FIG. 1 in cross section in the plane II-II of FIG. 1
  • FIG. 3 shows a folding box in a diagrammatic view.
  • Folding boxes 1 to be filled in a cartoning machine are delivered lying flat in stacks and these are used as a supply in a magazine 10.
  • the folding boxes 1 In the erected state, the folding boxes 1 have a rectangular cross section, each with two parallel side walls 2, 3 with the dimension A and two narrow side walls 4, 5 with the dimension B.
  • the magazine 10 is inclined at an angle of approximately 45 ° to the horizontal and has a bottom 11, two side walls 12 and two rods delimiting the front 13, 14, on which the stack of folding boxes is supported.
  • the front end of the base 11 is assigned a holding lug 15 which can be moved up and down in cycles and which holds the foremost folding box 1 at its lower edge in the magazine.
  • a removal device 20 is arranged in front of and below the magazine 10 in order to remove folding boxes 1 from the magazine 10.
  • This removal device 20 has a continuously rotating rotor 21 with, for example, three suction pads 22 uniformly distributed around its circumference.
  • the suction pads 22 each have two suction cups 24 fastened to a support 23 attached, which is articulated on a crank 26 and a rocker arm 27 which are pivotally mounted on the rotor 21.
  • the rotary shaft 28 of the crank 26 is fixedly connected to a roller lever 30, the roller 31 of which is guided in a fixed annular cam groove 32 which is arranged eccentrically to the axis of rotation of the rotor.
  • the curved groove 32 is arranged and designed such that it leads the suction grippers 22 during their rotation with the rotor 21 for grasping the foremost folding box 1 in the magazine 10, while the detection of the folding box 1 is delayed and then again leads against the uniform rotating movement overlay the rotor 21.
  • a suction gripper 22 starts against the foremost folding box 1 in the magazine 10, namely in the vicinity of its lower folding edge standing on the floor 11, the suction devices 24 are subjected to negative pressure, so that when they are placed against the facing wall of the folding box 1 they grip it and pull the folding box 1 out of the supply in the direction of its extension.
  • the folding box 1 is pulled over the holding nose 15 and on the rods 13, 14 slidably downwards from the stack.
  • a conveying device 35 extends below the magazine 10 and the removal device 20.
  • This conveying device 35 has two parallel, endless chains 36 which are guided endlessly around deflection rollers 37, 38, 39.
  • the upper run of the conveyor chains 36 extending between the deflection rollers 38 and 39 is guided between the upper and lower pairs of guide rails 41, 42.
  • the inlet end of the guide rails 41, 42 which extends below the magazine 10 and the removal device 20 is curved in an arc shape, whereas the adjoining part runs in a straight line in the horizontal plane.
  • the curvature of the inlet part of the guide rails 41, 42 is adapted to the circumferential path of the suction pads 22.
  • a third pair of guide rails 43 Arranged above the upper guide rails 42 for the conveyor chains 36 is a third pair of guide rails 43 which, while leaving a small gap, extends in an adapted form like the guide rails 42. It therefore forms an arcuate conveyor section 47 in the inlet area 40 below the magazine 10 and the removal device 20 and adjoining it a straight conveyor section 48.
  • the two conveyor chains 36 have drivers 45 at regular intervals, which move outwards into the area next to the rails 42, 43 in the conveyor lines 47, 48 protrude.
  • the suction grippers 22 When the rotor 21 rotates, the suction grippers 22 each pull a folding box 1 down from the magazine 10 and then convey it on the arcuate path 47.
  • This arcuate path 47 covers the gap between the two guide rails 42 and 43 in their inlet region 40.
  • the gap between the guide rails 41 and 42 for guiding the conveyor chains 36 is adapted to the curvature.
  • a folding box 1 gripped by a suction gripper 22 is leading with its folded edge into the arcuate Gap inserted between the guide rails 42 and 43, which also bends in an arc and thereby maintains a certain intrinsic stability.
  • a driver 45 approaches the upper, trailing folding edge of the false box 1 and finally catches up with it.
  • the vacuum for the suction cups 24 of the suction gripper 22 is switched off, so that they release the folding box 1 carried along.
  • the carriers 45 of a pair of carriers now run against the trailing folding edge of the folding box 1 and push the folding box 1 through the arcuate path 47 and then through the straight line 48 in the gap between the guide rails 42 and 43.
  • the guide rails 42, 43 of the guide rail pairs have one another a distance, so that a folding box 1 in the area of its side walls 2 to 5 near the flaps 6 to 9 are guided and the flaps protrude freely on both sides.
  • the wide sealing flaps 6 and 7 of the folding boxes 1 are folded up and down by means of periodically pivoted folding blades 49 and held in this position by folding switches, not shown, when passing through the straight line 48.
  • the upper guide rail 43 ends by more than a folding box width in front of the guide rail 42 located underneath.
  • a folding box 1 with a pair of drivers 45 is passed, blown air flows out of the blower nozzles 51 into the openings of the conveyed folding box 1, the resulting overpressure erecting the initially lying flat folding box 1 during its conveyance.
  • the pair of drivers 45 pushes the partially or fully erected folding box 1 into the space between two drivers 54, 55 of a subsequent synchronously rotating conveyor 56 of a cartoning machine, where it is then conveyed between upper and lower guide rails 57, 58 to a filling point.
  • the folding boxes are removed and erected in separate areas. This makes the device simple and clear.
  • the device also has the advantage that when changing the size of folding boxes with a different cross-section, it is not necessary to change over to the new format. Characterized in that the leading folding edge of the folding boxes 1 serves as a reference edge when transferred through the suction grippers 22 up to close to the leading driver 45 of the conveyor 35 in all formats and that subsequently the trailing pair of drivers 45 after release of the folding box from the suction gripper 22 the trailing folding edge of the Folding box 1 takes as a reference edge, there is a balance between the format differences in the transition from suction pad transport to the carrier transport.

Landscapes

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

Claims (4)

  1. Dispositif pour l'individualisation et le levage de boîtes pliées comprenant un magasin qui contient une réserve de boîtes pliées reposant à plat avec au moins une prise mobile pour prélever chaque fois la première boîte pliée du magasin, avec un dispositif de transport ayant des entraîneurs, dont un se rapproche du bord arrière dans le sens de transport d'une boîte saisie lors du magasin par la prise et il l'entraîne ensuite à plat, caractérisé en ce qu'on guide la prise (22) sur un rotor (21) sur une piste se déroulant à peu près tangentiellement à une trajectoire incurvée de la première boîte pliée du magasin, en ce que le dispositif de transport sans fin (35) de transfert à proximité du magasin présente une piste incurvée (47) adaptée à la partie de la piste de circulation incurvée de la prise (22) se raccordant au magasin, et une piste linéaire (48) qui s'y raccorde et qu'on implante de chaque côté de la piste droite des buses de soufflage (51) qui sont dirigées vers les orifices de la boîte pliée entraînée par le dispositif d'entraînement.
  2. Dispositif selon la revendication 1, caractérisé en ce que la piste incurvée (47) du dispositif de transport (35) est coaxiale à la trajectoire incurvée de la prise (22).
  3. Dispositif selon la revendication 2, caractérisé en ce qu'on guide le dispositif de transport (35) sur la piste incurvée (47) à proximité du magasin (10) et de la trajectoire incurvée de la prise (22) par des rails de guidage incurvés (41, 42).
  4. Dispositif selon la revendication 3, caractérisé en ce qu'on associe à la piste incurvée (47) du dispositif de transport (35) des rails de guidage incurvées (42, 43), qui délimitent un intervalle de guidage des boîtes pliées (1), adapté à la trajectoire incurvée de la prise (22).
EP19870100491 1986-02-26 1987-01-16 Dispositif pour l'individualisation et l'érection de boîtes pliées Expired - Lifetime EP0234228B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3606093 1986-02-26
DE19863606093 DE3606093A1 (de) 1986-02-26 1986-02-26 Vorrichtung zum vereinzeln und aufrichten von faltschachteln

Publications (3)

Publication Number Publication Date
EP0234228A2 EP0234228A2 (fr) 1987-09-02
EP0234228A3 EP0234228A3 (en) 1989-01-04
EP0234228B1 true EP0234228B1 (fr) 1991-09-25

Family

ID=6294920

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870100491 Expired - Lifetime EP0234228B1 (fr) 1986-02-26 1987-01-16 Dispositif pour l'individualisation et l'érection de boîtes pliées

Country Status (4)

Country Link
US (1) US4735600A (fr)
EP (1) EP0234228B1 (fr)
JP (1) JPS62208330A (fr)
DE (2) DE3606093A1 (fr)

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US9969142B2 (en) 2011-11-10 2018-05-15 Packsize Llc Converting machine
ES2559304B1 (es) * 2014-08-11 2017-04-06 Monolab S.R.L. Dispositivo para el agarre de un estuche de envasado en una configuración aplanada y la apertura del mismo en una configuración tubular, y máquina que comprende dicho dispositivo.
CN104441776A (zh) * 2014-10-30 2015-03-25 东莞市鸿铭机械有限公司 一种全自动除泡机的压盒除泡单元
CN104354331B (zh) * 2014-10-30 2019-03-05 广东鸿铭智能股份有限公司 一种全自动除泡机的压盒除泡系统
US10093438B2 (en) 2014-12-29 2018-10-09 Packsize Llc Converting machine
ITUB20154226A1 (it) * 2015-10-08 2017-04-08 Gima Spa Stazione di prelievo e consegna di fogli sagomati definenti corpi scatolari di differente tipologia
US10850469B2 (en) 2016-06-16 2020-12-01 Packsize Llc Box forming machine
ES2848561T3 (es) 2016-06-16 2021-08-10 Packsize Llc Un procedimiento y sistema de producción de plantillas de caja
EP3318399A1 (fr) * 2016-11-04 2018-05-09 Tetra Laval Holdings & Finance S.A. Dispositif de pliage, système et procédé de pliage partiel d'un emballage à partir d'une ébauche
US11242214B2 (en) 2017-01-18 2022-02-08 Packsize Llc Converting machine with fold sensing mechanism
SE541921C2 (en) 2017-03-06 2020-01-07 Packsize Llc A box erecting method and system
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SE1750727A1 (sv) 2017-06-08 2018-10-09 Packsize Llc Tool head positioning mechanism for a converting machine, and method for positioning a plurality of tool heads in a converting machine
US11173685B2 (en) 2017-12-18 2021-11-16 Packsize Llc Method for erecting boxes
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DE112019003075T5 (de) 2018-06-21 2021-03-25 Packsize Llc Verpackungsvorrichtung und systeme
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Also Published As

Publication number Publication date
DE3773226D1 (de) 1991-10-31
DE3606093A1 (de) 1987-08-27
JPS62208330A (ja) 1987-09-12
EP0234228A3 (en) 1989-01-04
US4735600A (en) 1988-04-05
EP0234228A2 (fr) 1987-09-02

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