EP1609586A1 - Dispositif et procédé pour former des boítes - Google Patents

Dispositif et procédé pour former des boítes Download PDF

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Publication number
EP1609586A1
EP1609586A1 EP05425445A EP05425445A EP1609586A1 EP 1609586 A1 EP1609586 A1 EP 1609586A1 EP 05425445 A EP05425445 A EP 05425445A EP 05425445 A EP05425445 A EP 05425445A EP 1609586 A1 EP1609586 A1 EP 1609586A1
Authority
EP
European Patent Office
Prior art keywords
blanks
erecting
boxes
unit
defined height
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.)
Withdrawn
Application number
EP05425445A
Other languages
German (de)
English (en)
Inventor
Giovanni Broccolini
Lamberto Saletti
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.)
Europrogetti SRL
Original Assignee
Europrogetti SRL
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 Europrogetti SRL filed Critical Europrogetti SRL
Publication of EP1609586A1 publication Critical patent/EP1609586A1/fr
Withdrawn legal-status Critical Current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
    • B31B50/46—Folding sheets, blanks or webs by plungers moving through folding dies and interconnecting side 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
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/92—Delivering
    • 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
    • B31B50/10—Feeding or positioning webs
    • B31B50/12—Feeding or positioning webs by air pressure or suction
    • 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
    • B31B50/60—Uniting opposed surfaces or edges; Taping

Definitions

  • the present invention relates to an apparatus for erecting boxes.
  • the present invention relates to an apparatus for erecting boxes from flat blanks made of card.
  • the invention also relates to a method for erecting boxes using flat blanks made of card.
  • Prior art apparatus and machines for erecting boxes normally comprise a magazine for the flat blanks, a station for picking up the blanks and feeding them to an erecting unit where the blanks, moved by a vertical mandrel, are folded by contact with suitable folders along defined fold lines or creases in such a way as to form the side walls of the boxes.
  • the side walls are then connected to each other by joining elements consisting usually of lengths of adhesive tape.
  • the lengths of adhesive tape are normally applied by application heads located at the side corners of the boxes being erected.
  • the partly erected box is then fed out and conveyed either directly or after further processing to a covering machine.
  • the covering machine is a machine of known type that covers the boxes, for example with sheets of paper to give them an appropriate surface finish which may reproduce a company logo or the name of the end user of the boxes.
  • the process cycle of the covering machine is such that the boxes to be covered must be fed to the machine at a precise and well-defined height from the floor. This height is determined mainly by the maximum dimensions of the boxes that may be covered.
  • the erecting apparatus folds the boxes by causing the mandrel to lower the blanks and then feeds the erected boxes out from the bottom, it is evident that to be able to feed the boxes to the covering machine at the defined height, the erecting station and all the other stations upstream must be positioned at a height above the covering machine.
  • This positioning constraint means that most of the units or stations making up the erecting apparatus must be positioned at a height where they are not directly accessible to the operator.
  • the erecting apparatus has to be equipped with gangways running substantially all the way round the apparatus.
  • the aim of this invention is to overcome the above mentioned disadvantages through a box erecting apparatus that is economical to make, efficient and practical to use.
  • Another aim of the invention is to provide a box erecting method that is easy to implement and effective.
  • the reference numeral 1 denotes in its entirety an apparatus for erecting boxes 2 made according to the present invention.
  • the apparatus 1 comprises a supporting frame 4 consisting of a plurality of interconnected uprights 5 and crosspieces 6.
  • the apparatus 1 comprises a station 8 for storing the flat blanks 3 and a blank 3 erecting unit 9 which folds portions 3a of the blanks 3 about respective fold lines L thereby shaping the boxes 2.
  • the apparatus 1 also comprises first means 10 for transporting the flat blanks 3 and second means 11 for transporting the erected boxes 2.
  • the erecting unit 9 comprises a customary mandrel 12 (not illustrated in detail in the accompanying drawings) positioned at the bottom end of a reciprocating rod 13 that is driven vertically in a defined direction D by respective drive means 14.
  • the erecting unit 9 also comprises a plurality of heads 15 which are not illustrated in detail in the accompanying drawings, said heads 15 being designed to join the vertical corners 16 of the box 2 being erected by applying respective lengths 16a of heat adhesive tape.
  • folding elements 17 At the tops of the heads 15 there are folding elements 17 (not illustrated in detail), said elements 17 being designed to engage the blank 3 in order to fold the blank 3 portions 3a which form the respective walls 2a of the erected box.
  • the erecting unit 9 further comprises a lifting arm 18 which extends lengthways in the direction D and is connected by a linkage 19 to a block 20 attached to the frame 4.
  • the arm 18 is driven in the direction D by a pneumatic spring 21, a mobile stem of which 22 acts directly on the linkage 19 and, thus, indirectly, on the arm 18 itself.
  • the lifting arm 18 may be driven by an electric or pneumatic actuator, neither of which is illustrated.
  • the pneumatic spring 21 or the electric actuator or the pneumatic actuator constitutes means 23 for driving the lifting arm 18.
  • the top of the lifting arm 18 has detachably fixed to it a plate 24 that is designed, as described in more detail in the rest of this specification, to support the blank 3 and the box 2 during the different operating steps performed by the erecting unit 9.
  • the aforementioned first transporting means 10 are mobile between a first retracted configuration, not illustrated in Figure 1, for picking up the flat blanks 3 from the storage station 8 and a second, advanced configuration, illustrated in Figure 1, for releasing the blanks 3 at the erecting unit 9.
  • the first transporting means 10 are supported by and slidably engaged with a respective straight guide rail 25 which is in turn supported at the top, as shown in Figure 1, by two crosspieces 6 forming part of the frame 4.
  • the first transporting means 10 comprise a central body 26, a crosspiece 27 attached to the central body 26 and two arms 28 which, at their respective first ends 28a, are pivoted on respective blocks 29.
  • the blocks 29 are slidably supported by the aforementioned crosspiece 27 and are screwed to a threaded rod 32a connected to a motor 32 so that the distance of the blocks 29 from each other can be adjusted according to the size of the blank 3 to be picked up.
  • Each block 29 has mounted on it an actuator 30, advantageously pneumatic, designed to allow the respective arm 28 to swing about its pivot axis A.
  • each arm 28 has a suction element 31 for picking up and holding the blanks 3.
  • a motor (not illustrated) drives the first transporting means 10, advantageously through a toothed belt or chain, in such a way as to move the transporting means 10 along the guide rail 25 along a first, substantially straight path P1.
  • the aforementioned second means 11 for transporting the boxes 2 are mobile between a first configuration, illustrated in Figure 1, for picking up the erected boxes 2 from the erecting station 9, and a second configuration, not illustrated in Figure 1, for feeding the boxes 2 out towards further processing units of known type and also not illustrated.
  • the second transporting means 11 are supported by and slidably engaged with a respective straight guide rail 33 which is in turn supported at the top, as shown in Figure 1, by crosspieces 6 forming part of the frame 4.
  • the second transporting means 11 comprise a central body 34, a crosspiece 35 attached to the central body 34 and two arms 36 connected to respective blocks 37.
  • the blocks 37 are slidably supported by the aforementioned crosspiece 35 and are screwed to a threaded rod 40a connected to a motor 40 so that the distance of the blocks 37 from each other can be adjusted according to the size of the box 2 to be fed out.
  • Each arm 36 has a suction element 38 and a contact plate 39 for picking up and feeding the boxes 2.
  • a motor (not illustrated) drives the second transporting means 11, advantageously through a toothed belt or chain, in such a way as to move the transporting means 11 along the guide rail 33 in the direction of a second, substantially straight path P2.
  • the first transporting means 10, together with their motor 32 and the guide rail 25 constitute for the erecting apparatus 1 respective means 41 for feeding the blanks 3 to the erecting unit 9.
  • the second transporting means 11, together with their motor 40 and the guide rail 33 constitute for the erecting apparatus 1 respective means 42 for transferring the erected boxes 2 to further processing units (not illustrated).
  • the lifting arm 18 and the respective drive means 23 constitute means 43 for lifting the erected box 2.
  • the suction pickup elements 31 on the arms 28 of the first transporting means pick up a first blank 3 from a stack of blanks 3 (not illustrated) located in the storage station 8.
  • the arms 28 are lowered a few centimetres by the respective pneumatic actuators 30. Once they are in contact with the blank 3, the suction elements 31 are activated so as to pick up and hold the blank 3 by suction.
  • the blank 3 is lifted a few centimetres by the arms 28, driven by the actuators 30, and then moved forward by the transporting means 10 in a direction parallel with the first, straight path P1.
  • the transporting means 10 lower the blank 3 to a first defined height Q1 and, at this height Q1, allow the flat blank 3 to drop onto the plate 24 mounted on the lifting arm 18 and constituting a respective supporting element 44 for the blank 3 and for the box 2 being erected.
  • the first transporting means 10 are then retracted and return to their first configuration to pick up another blank 3.
  • the mandrel 12 is lowered in the direction D as indicated by the arrow F1 in Figure 1.
  • the mandrel 12 comes into contact with the blank 3, it continues moving down and forces the lifting arm 18 to move down with it.
  • these folding elements 17 are located at the top of each of the heads 15 that join the vertical corners 16 of the box 2.
  • the second height Q2 depends on the size of the box 2 to be erected.
  • the erected box 2 located on the supporting element 44 is also lifted until it reaches a third defined height Q3 which, in the preferred embodiment illustrated in the accompanying drawings, substantially coincides with the first height Q1.
  • the heads 15 are close to the mandrel 12 and face the blank 3 in such a way as to be able to perform all the required box erecting operations. Once the box 2 has been erected, the heads 15 are moved away from it so that it can be lifted from the height Q2 to the height Q1 without interference.
  • the box 2 is then moved forward in a direction parallel to the straight path P2 of the second transporting means 11 and, when the latter reach the second, outfeed configuration (not illustrated) the box 2 is transferred to the aforementioned means which feed it to the further processing units, whose description is outside the scope of this invention.
  • erected box 2 is used to include a partially finished box requiring further processing by other operating units.
  • pneumatic actuator includes any type of fluid-operated actuator, whether pneumatic, hydraulic or oil-hydraulic since they are all substantially equivalent for the purposes of the operation of the apparatus according to this invention.
  • the apparatus 1 comprises a computerised control unit which governs all the functions and operations performed by the apparatus 1, in particular the movements of the motors and actuators.
  • the present invention advantageously makes it possible to reduce the overall dimensions of the box 2 erecting apparatus 1, providing it with a compact structure and making it easy to access by personnel responsible for its operation and maintenance.
  • Another advantage of the invention is that the transporting means 10 allow the blanks 3 to be conveyed from the storage station 8 to the erecting unit 9 without using prior art high-speed feed devices.
EP05425445A 2004-06-21 2005-06-20 Dispositif et procédé pour former des boítes Withdrawn EP1609586A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO20040389 2004-06-21
IT000389A ITBO20040389A1 (it) 2004-06-21 2004-06-21 Apparato e metodo per la formatura di scatole

Publications (1)

Publication Number Publication Date
EP1609586A1 true EP1609586A1 (fr) 2005-12-28

Family

ID=34943226

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05425445A Withdrawn EP1609586A1 (fr) 2004-06-21 2005-06-20 Dispositif et procédé pour former des boítes

Country Status (2)

Country Link
EP (1) EP1609586A1 (fr)
IT (1) ITBO20040389A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2090512A2 (fr) * 2008-02-15 2009-08-19 Europrogetti, S.r.l. Dispositif et procédé de pliage pour le montage de boîtes en partant d'éléments plats en forme de T ou de double T
WO2014110870A1 (fr) * 2013-01-19 2014-07-24 东莞市鸿铭机械有限公司 Appareil d'emballage de papier coloré de boîte-cadeau
CN105500769A (zh) * 2015-12-28 2016-04-20 上海工程技术大学 一种自动折盒机调整装置
CN111002629A (zh) * 2019-12-21 2020-04-14 杭州旭美包装制品有限公司 一种包装盒生产设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2982188A (en) * 1957-04-26 1961-05-02 New Jersey Machine Corp Box making machines
GB898364A (en) * 1959-06-30 1962-06-06 Metal Box Co Ltd Improvements in or relating to apparatus for setting-up cartons
US3404507A (en) * 1966-03-18 1968-10-08 Closure Corp Container forming device
US4368095A (en) * 1979-03-03 1983-01-11 Ab Akerlund & Rausing Heating device for blank-shaping apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2982188A (en) * 1957-04-26 1961-05-02 New Jersey Machine Corp Box making machines
GB898364A (en) * 1959-06-30 1962-06-06 Metal Box Co Ltd Improvements in or relating to apparatus for setting-up cartons
US3404507A (en) * 1966-03-18 1968-10-08 Closure Corp Container forming device
US4368095A (en) * 1979-03-03 1983-01-11 Ab Akerlund & Rausing Heating device for blank-shaping apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2090512A2 (fr) * 2008-02-15 2009-08-19 Europrogetti, S.r.l. Dispositif et procédé de pliage pour le montage de boîtes en partant d'éléments plats en forme de T ou de double T
EP2090512A3 (fr) * 2008-02-15 2011-08-17 Europrogetti S.r.l. Dispositif et procédé de pliage pour le montage de boîtes en partant d'éléments plats en forme de T ou de double T
WO2014110870A1 (fr) * 2013-01-19 2014-07-24 东莞市鸿铭机械有限公司 Appareil d'emballage de papier coloré de boîte-cadeau
CN105500769A (zh) * 2015-12-28 2016-04-20 上海工程技术大学 一种自动折盒机调整装置
CN105500769B (zh) * 2015-12-28 2019-03-29 上海工程技术大学 一种自动折盒机调整装置
CN111002629A (zh) * 2019-12-21 2020-04-14 杭州旭美包装制品有限公司 一种包装盒生产设备
CN111002629B (zh) * 2019-12-21 2021-07-09 杭州旭美包装制品有限公司 一种包装盒生产设备

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