EP1595831A1 - Verfahren und Vorrichtung zum Entstapeln eines Behälterstapels - Google Patents

Verfahren und Vorrichtung zum Entstapeln eines Behälterstapels Download PDF

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Publication number
EP1595831A1
EP1595831A1 EP04010430A EP04010430A EP1595831A1 EP 1595831 A1 EP1595831 A1 EP 1595831A1 EP 04010430 A EP04010430 A EP 04010430A EP 04010430 A EP04010430 A EP 04010430A EP 1595831 A1 EP1595831 A1 EP 1595831A1
Authority
EP
European Patent Office
Prior art keywords
containers
pile
gripping
container
retaining
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Withdrawn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
EP04010430A
Other languages
English (en)
French (fr)
Inventor
Gianmario Anghileri
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.)
C M S COSTRUZIONE MACCHINE SPECIALI Srl
Original Assignee
C M S COSTRUZIONE MACCHINE SPECIALI 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 C M S COSTRUZIONE MACCHINE SPECIALI Srl filed Critical C M S COSTRUZIONE MACCHINE SPECIALI Srl
Priority to EP04010430A priority Critical patent/EP1595831A1/de
Publication of EP1595831A1 publication Critical patent/EP1595831A1/de
Withdrawn legal-status Critical Current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
    • B65H3/00—Separating articles from piles
    • B65H3/34—Article-retaining devices controlling the release of the articles to the separators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/30—Separating articles from piles by escapement devices; from staggered piles; from piles of articles having staggered formations, e.g. cuts or perforations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/176—Cardboard
    • B65H2701/1764—Cut-out, single-layer, e.g. flat blanks for boxes

Definitions

  • the present invention relates to a device for separating stacked containers and to the method of carrying out the separation.
  • the containers of paper material designed to enable baking of foodstuffs such as panettones, cakes and the like are supplied in the form of piles consisting of a predetermined number of said containers in engagement with each other.
  • the hitherto known apparatus are provided with suitable feeding guides designed to keep the stacked containers to the correct position and with suitable separation means active on the last container in the pile to separate it from said pile and dispose it on a conveyor belt for example, for subsequently forwarding it to the food packaging and/or baking lines.
  • a known type of the devices briefly described above involves insertion of the stacked containers with the cavity thereof facing the separation means, so that said means, provided with suction cups adapted to act through a vacuum engagement, is positioned at the container bottom and activates suction for grasping of the last container; by subsequent articulated movements the container is separated from the remaining ones and is laid on a conveyor belt by means of suitable rotation and translation movements carried out by mechanical arms on the ends of which said suction cups are located.
  • the devices of the known art are not able to operate in a reliable manner on piles of containers having an undulated rim because in this case high friction forces are necessarily generated between the containers themselves and in particular high friction forces between the side surfaces of containers in succession that are often higher than the forces generated by the vacuum by means of the suction cups so that removal of the containers is not allowed.
  • suction cups present in the machines of known type are subjected to wear problems and therefore frequent checks and replacements are required which will bring about times of inactivity of the machine.
  • Another aim of the invention is to provide a device and a process for separating containers that is able to ensure high separation rates in a reliable manner.
  • the invention aims at making available a device that can be easily adapted to different shapes of stacked containers to be separated.
  • a device for separating stacked containers in accordance with the invention has been generally identified by reference numeral 1.
  • the device comprises a fixed supporting structure 2 with which a retaining device 3 is associated as well as gripping and separating means 6 active on a pile 4 of containers 5.
  • pile 4 comprises a predetermined number of containers at least partly inserted into each other in such a manner as to enable only a small portion of a container to emerge from the subsequent container, as shown in Fig. 1.
  • Said pile 4 will be in particular inserted into the device for separating the containers from the top, being guided by suitable positioning means 10, so that the containers 5 are maintained substantially in engagement upon each other, in alignment and in place.
  • the containers are fed in such a manner that the container bottom faces downwardly during the operating conditions of the device.
  • the device is adapted to separate containers of paper material consisting of a bottom and a side wall made separately and then connected to the bottom.
  • the side wall also has undulations on an outer surface 5a thereof that are designed to improve the wall resistance to radial deformations during baking of the food.
  • the retaining device 3 is movable between at least one retaining condition at which it is active on a predetermined number of containers 5 (in particular it will engage at least the last but one container in the pile and all containers preceding it so as to keep them relatively tightened together) and at least one release condition at which it is moved apart from the pile 4 of containers 5.
  • the retaining device 3 is made up of a predetermined number of actuators 8, preferably pneumatic actuators, provided with a fixed portion 9 and a movable element 7 selectively shiftable between the retaining and release positions.
  • actuators 8 preferably pneumatic actuators
  • the fixed portion 9 of actuators 8 is rigidly connected with the supporting structure 2.
  • the retaining device 3 is equipped with at least two movable elements 7 (i.e. with at least two actuators 8) shiftable between the retaining and release positions in such a manner as to be able to engage the containers 5.
  • the presence of two or even three or more actuators 8 can be provided.
  • the container to be removed has a different shape (see Fig. 2, for example) only two movable elements 7, of different shape from each other for example, could be used, the shape of which elements will at least partly match that of the container to be retained; said movable elements 7 will be placed at opposite positions with respect to the container.
  • the retaining device 3 and in particular the movable element 7 and the high-friction portion 7a thereof will be active on an outer surface of pile 4.
  • the gripping and separating means 6 comprises at least one rest body 11 (generally two or three of said rest bodies will be present depending on the type of container to be borne) which is designed to receive and keep in place the pile 4 of containers 5.
  • the rest bodies 11 receive the lower surface 5b of the last container 5 in the pile 4; however they can move away from/close to each other and the container 5 pile at least in a first radial direction 12 and also they can also move close thereto and away therefrom in a further direction 13 transverse to the first one (and preferably orthogonal thereto).
  • the gripping and separating means 6 has at least one actuator 14 which is preferably of the pneumatic type as well, provided with a movable head 15 shiftable between a position spaced apart from pile 4 and a position of engagement at least with the last container 5 of said pile.
  • the gripping and separating means 6 and in particular the movable head 15 is active on an outer surface 5a of the last container, like the retaining device 3.
  • the movable head 15 In order to generate a suitable friction force with the outer surface of containers 5, the movable head 15 too has a portion 15a having a high friction degree and operating on the last container.
  • the whole actuator 14 is then movable away from/close to the supporting structure 2 or the retaining device 3 in an axial direction substantially coincident with the axial movement direction 13 of the rest bodies 11.
  • the separation cycle first of all contemplates axial movement of the gripping and separating means 6 downwardly, away from the remaining containers.
  • the friction forces generated between the outer surface 5a and the movable head 15 are of such a nature that dragging along of the last container away from the remaining ones is enabled.
  • both the movable heads 15 and the rest bodies are radially moved away along the direction 12, so that the separated container is released and dropped by gravity onto a conveyor belt or the like.
  • the retaining device 3 reaches the spaced-apart release configuration letting the whole pile 4 fall by gravity until said pile rests on bodies 11.
  • the movable heads 15 engage the last container again and the retaining device 3 the last but one container and some of the preceding ones.
  • the invention achieves important advantages.
  • First of all the device in accordance with the invention allows stacked containers to be removed one by one in a very reliable and quick manner.
  • the same machinery can be adapted to different shapes of containers with few simple modifications of some elements thereof.
  • the device allows removal of stacked containers generating high friction forces between each other, that are due to the particular paper materials and the geometrical shapes used.
  • the device of the invention has a very simple construction combined with a great mechanical strength, in turn combined with a great operating liability.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • De-Stacking Of Articles (AREA)
EP04010430A 2004-05-03 2004-05-03 Verfahren und Vorrichtung zum Entstapeln eines Behälterstapels Withdrawn EP1595831A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04010430A EP1595831A1 (de) 2004-05-03 2004-05-03 Verfahren und Vorrichtung zum Entstapeln eines Behälterstapels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04010430A EP1595831A1 (de) 2004-05-03 2004-05-03 Verfahren und Vorrichtung zum Entstapeln eines Behälterstapels

Publications (1)

Publication Number Publication Date
EP1595831A1 true EP1595831A1 (de) 2005-11-16

Family

ID=34924830

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04010430A Withdrawn EP1595831A1 (de) 2004-05-03 2004-05-03 Verfahren und Vorrichtung zum Entstapeln eines Behälterstapels

Country Status (1)

Country Link
EP (1) EP1595831A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900020754A1 (it) 2019-11-11 2021-05-11 C M S Costruzione Macch Speciali S R L Apparecchiatura e procedimento per il prelievo di un singolo contenitore da una pila di contenitori

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1394613A (en) * 1920-04-26 1921-10-25 Lorillard Co P Sheet-feeding apparatus
US4359214A (en) * 1980-12-22 1982-11-16 Paxall, Inc. Apparatus for feeding flat articles
EP0320814A2 (de) * 1987-12-16 1989-06-21 Giorgio Dotta Vorrichtung zum Erzeugen und Verpacken von Heftpflaster
EP0325360A1 (de) 1988-01-11 1989-07-26 John Walter Behringer Ausgabevorrichtung für abgepackte Verbände und dergleichen
US6419441B1 (en) * 2000-07-07 2002-07-16 Eagle Automation Lamination dispenser and method of dispensing laminations

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1394613A (en) * 1920-04-26 1921-10-25 Lorillard Co P Sheet-feeding apparatus
US4359214A (en) * 1980-12-22 1982-11-16 Paxall, Inc. Apparatus for feeding flat articles
EP0320814A2 (de) * 1987-12-16 1989-06-21 Giorgio Dotta Vorrichtung zum Erzeugen und Verpacken von Heftpflaster
EP0325360A1 (de) 1988-01-11 1989-07-26 John Walter Behringer Ausgabevorrichtung für abgepackte Verbände und dergleichen
US6419441B1 (en) * 2000-07-07 2002-07-16 Eagle Automation Lamination dispenser and method of dispensing laminations

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900020754A1 (it) 2019-11-11 2021-05-11 C M S Costruzione Macch Speciali S R L Apparecchiatura e procedimento per il prelievo di un singolo contenitore da una pila di contenitori

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