WO1994011286A1 - Appareil de levage utilise pour empiler et desempiler des palettes vides - Google Patents

Appareil de levage utilise pour empiler et desempiler des palettes vides Download PDF

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Publication number
WO1994011286A1
WO1994011286A1 PCT/DK1993/000343 DK9300343W WO9411286A1 WO 1994011286 A1 WO1994011286 A1 WO 1994011286A1 DK 9300343 W DK9300343 W DK 9300343W WO 9411286 A1 WO9411286 A1 WO 9411286A1
Authority
WO
WIPO (PCT)
Prior art keywords
carriers
pallet
floor
base
apron
Prior art date
Application number
PCT/DK1993/000343
Other languages
English (en)
Inventor
Per Bisgård SØRENSEN
Original Assignee
Bila Maskinservice A/S
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 Bila Maskinservice A/S filed Critical Bila Maskinservice A/S
Priority to DE9390249U priority Critical patent/DE9390249U1/de
Priority to AU54620/94A priority patent/AU5462094A/en
Publication of WO1994011286A1 publication Critical patent/WO1994011286A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G57/00—Stacking of articles
    • B65G57/30—Stacking of articles by adding to the bottom of the stack
    • B65G57/301—Stacking of articles by adding to the bottom of the stack by means of reciprocatory or oscillatory lifting and holding or gripping devices
    • B65G57/303—Stacking of articles by adding to the bottom of the stack by means of reciprocatory or oscillatory lifting and holding or gripping devices the stack being lowered by mobile grippers or holders onto added articles

Definitions

  • the invention relates to a lifting apparatus for use in the stacking of empty pallets on a base or floor, where the first pallet in a stack is placed on the floor, e.g. with a pallet truck, or for the destacking of pallets placed in a stack on a base or floor.
  • the apparatus comprises a base part arranged to rest on a floor, and carriers arranged to support a pallet, mainly along the side edges of its upper boards.
  • the carriers are connected to and housed in a vertically displaceable manner in relation to the base part, and the carriers are further housed so that they can assume one or more first positions in which they can support a pallet, and one or more other positions in which they can support a pallet.
  • the change in the position of the carriers can be effected in forced dependence of apron guides during the vertical raising and lowering of the carriers.
  • Such an apparatus is known from DE published application no. 1,938,538.
  • This apparatus can function as a stacker and as a destacker.
  • this requires two different configurations for the apron guides which control the carriers.
  • each of the carriers is built-in and can be displaced in a post where the apron guide constitutes a side part of the post. Therefore, in addition to the changing of the guide, changes in the pattern of movement also require the dismantling of the carrier.
  • the innovative aspect of the lifting apparatus is that on the base part there is provided a vertically-displaceable frame part which supports the carriers, where the carriers can be moved sideways in relation to the frame part.
  • the movement of the carriers in relation to the frame parts is determined by the apron guides, which can force the carriers into certain positions in relation to the frame part during the vertical movement of the frame part.
  • each apron guide is arranged on the side of a plate part which has two different apron guides, one on each side of the plate part, and the plate part is mounted in the apparatus in such a manner that the plate part can be turned 180°, so that a given apron guide can be brought into engagement with a carrier in the apparatus.
  • the number of displacement elements can be reduced to a maximum of two, one on each side of the pallet stack.
  • apron guides on opposite sides of a plate part, two different possibilities are provided of guiding the carriers. Changeover between the two different possibilities can be carried out in a simple manner by turning the plate part 180° around an axis through its main plane. Normally, there will be two plate parts for each frame part in order to provide sufficiently reliable control of the carriers.
  • a preferred embodiment is disclosed in claim 2, where the apparatus has two frame parts arranged in parallel, each of which supports two carriers.
  • Another preferred embodiment of the lifting apparatus is disclosed in claim 3, where the base part is horseshoe- shaped with two oppositely-lying straight and parallel side parts, where each of said side parts is provided with a pressure cylinder which can displace a yoke in the vertical direction, where the yoke at each end either directly or indirectly supports the carriers and is controlled by vertical guides.
  • fig. 1 shows the lifting apparatus according to the invention seen partly in section from above and with an associated pallet
  • fig. la shows an enlarged section of fig. 1,
  • fig. 2 shows a section along the line II-II in fig. 1,
  • fig. 3 shows a section along the line III-III in fig. 1,
  • fig. 4 shows the configuration of two cams on an apron guide for the stacking and destacking respectively of pallets according to the method
  • figs. 5a-5i show the lifting apparatus in nine successive situations during the stacking of pallets
  • figs. 6a-6h show eight successive situations while destacking with the lifting apparatus
  • the lifting apparatus according to the invention is built up around a base part which consists of two parallel members 1 arranged for mutual connection to a transverse member 3, and in such a manner that the base part, when seen from above, is in the shape of a horseshoe with equal sides.
  • the members 1,3 can stand on a floor 5 with legs 7 in the four corners.
  • the apparatus is provided with a control panel 9 at the end of an inclined stand 10.
  • the lifing mechanism of the apparatus is suspended on and and arranged around the members 1. Secured to each of the members 1 there are two parallel, narrow plate pieces 12, each of which at the same time is secured to the rear of its column 14 which is formed by an open, C-shaped profile. Secured to the plate pieces 12 and extending between said plates pieces there is a beam 16 which supports a vertically-standing air pressure cylinder 18. Secured to the cylinder piston there is a U-shaped beam 20 with two open, C-shaped profiles 22 hanging from its ends. The external dimensions of the profiles 22 are chosen to suit the corresponding internal dimensions of the profiles 14, thus forming a column guide with the profiles 22 as the movable part.
  • the profiles 22 and 14 are turned with their longitidinal openings facing in opposite directions, so that a guide 24 containing four double rollers 26 can be secured to the back of the profile 22.
  • the carriers 28 are mutually connected two and two with a bar 30.
  • the bar 30 is so long that it has free ends on which rollers 32 are provided.
  • each member 1 Suspended on each member 1 there are two sets of identical aprons 34 which are arranged in such a manner that each of the rollers 32 is in engagement with a guide 33 welded to the one side 35 of each apron 34.
  • the other side 36 of each apron 34 is also provided with a guide 37 having a movable part 37a which is pivotably suspended in a bearing 39.
  • the two different sides of the apron 34 are shown in separate illustrations in fig. 4.
  • the apron 34 is suspended, e.g. firmly screwed or inserted in slots, so that it can be taken out of the apparatus and turned so that the second side 36 can be brought into contact with the roller 32. There is hereby achieved two different patterns of movement, depending on which side of the apron 34 is being used.
  • An EUR pallet 40 can be placed between the members 1 of the apparatus in such a manner that the carriers 28 can reach in under the pallet's upper boards 42.
  • the stacking of the pallets 40 can be carried out as shown in figs. 5a-i, where fig. 5a is the starting position in which a new pallet 40 is added to a stack of pallets 41.
  • a movement is effected where a stack of pallets 40,41, as shown in fig. 6a, is in a starting position when the cylinder 18 is extended. Under the influence of the guide 33, the carriers 28 are inserted and support the lowermost pallet 40, and thus the whole of the stack.
  • the apron 34 is turned with the side 35 in engagement with the roller 32.
  • a raising of the carriers 28 is effected by a not-shown movement of the cylinder 18 and, at the last part of the movement, an insertion of the carriers 28 so that the next lowest pallet 41 is gripped by the carriers 28 and is lifted free of the lowermost pallet 40.
  • the pallet 40 can be removed, e.g. by a pallet truck, and the process can be repeated as shown from fig. 6a.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • De-Stacking Of Articles (AREA)
  • Stacking Of Articles And Auxiliary Devices (AREA)

Abstract

Appareil de levage utilisé pour empiler et désempiler des palettes (40, 41) sur un sol (5) comprenant des parties de cadre se déplaçant verticalement qui comportent des supports (28) se déplaçant latéralement. Le mouvement latéral des supports est produit par des tabliers (34) qui sont chacun constitués d'une plaque dont les extrémités opposées (35 et 36) comportent des guides (33 et 37) différents qui sont associés à des rouleaux (32) situés sur les supports. Lorsque le premier guide (37) est en fonctionnement, l'appareil peut soulever une pile de palettes (41) existante à une certaine hauteur au-dessus du sol, et une nouvelle palette (40) peut être introduite sous la pile. Les éléments de cadre sont ensuite descendus et à l'aide du guide (37a) les supports (28) sont retirés de la palette (41) située le plus en bas de la pile. Le mouvement inverse peut être effectué en tournant les tabliers (34) de sorte que les autres guides (33) se mettent en prise avec les rouleaux (32).
PCT/DK1993/000343 1992-11-09 1993-10-27 Appareil de levage utilise pour empiler et desempiler des palettes vides WO1994011286A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE9390249U DE9390249U1 (de) 1993-10-27 1993-10-27 Hebevorrichtung zum Stapeln und Abladen von leeren Paletten
AU54620/94A AU5462094A (en) 1992-11-09 1993-10-27 Lifting apparatus for the stacking and destacking of empty pallets

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK1358/92 1992-11-09
DK135892A DK169381B1 (da) 1992-11-09 1992-11-09 Løfteapparat til stabling og afstabling af tomme paller.

Publications (1)

Publication Number Publication Date
WO1994011286A1 true WO1994011286A1 (fr) 1994-05-26

Family

ID=8103987

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DK1993/000343 WO1994011286A1 (fr) 1992-11-09 1993-10-27 Appareil de levage utilise pour empiler et desempiler des palettes vides

Country Status (3)

Country Link
AU (1) AU5462094A (fr)
DK (1) DK169381B1 (fr)
WO (1) WO1994011286A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2716875A1 (fr) * 1994-03-04 1995-09-08 Blonde Christian Dispositif de manutention pour palettes.
ITBA20130062A1 (it) * 2013-08-08 2015-02-09 Procma Srl "dispositivo per la movimentazione di vassoi a matrice in linee di produzione o assemblaggio di tipo automatico".
WO2022027850A1 (fr) * 2020-08-05 2022-02-10 浙江德马科技股份有限公司 Machine d'empilement de plateaux de type plancher

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144190B (de) * 1959-01-05 1963-02-21 Leifeld & Lemke Maschf Maschine zum Entstapeln von Kaesten mit seitlich erfassenden Greiferarmen
FR1415732A (fr) * 1964-09-15 1965-10-29 & Fabrication D Outil S Mecani Crochet de manutention à mouvement d'effacement
DE1938538A1 (de) * 1969-07-29 1971-02-18 Alpma Alpenland Maschb Hain & Stapler fuer Kaesehorden sowie Einrichtung zum Vorlegen einzelner Kaesehorden an Bearbeitungsstationen
US4508483A (en) * 1982-03-23 1985-04-02 Gottfried J. Weykam Lifting device for a magazine for empty pallets in an automatic palletizing machine
SE464978B (sv) * 1987-05-25 1991-07-08 Kenth Wettersten Staplingsanordning

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144190B (de) * 1959-01-05 1963-02-21 Leifeld & Lemke Maschf Maschine zum Entstapeln von Kaesten mit seitlich erfassenden Greiferarmen
FR1415732A (fr) * 1964-09-15 1965-10-29 & Fabrication D Outil S Mecani Crochet de manutention à mouvement d'effacement
DE1938538A1 (de) * 1969-07-29 1971-02-18 Alpma Alpenland Maschb Hain & Stapler fuer Kaesehorden sowie Einrichtung zum Vorlegen einzelner Kaesehorden an Bearbeitungsstationen
US4508483A (en) * 1982-03-23 1985-04-02 Gottfried J. Weykam Lifting device for a magazine for empty pallets in an automatic palletizing machine
SE464978B (sv) * 1987-05-25 1991-07-08 Kenth Wettersten Staplingsanordning

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2716875A1 (fr) * 1994-03-04 1995-09-08 Blonde Christian Dispositif de manutention pour palettes.
ITBA20130062A1 (it) * 2013-08-08 2015-02-09 Procma Srl "dispositivo per la movimentazione di vassoi a matrice in linee di produzione o assemblaggio di tipo automatico".
WO2022027850A1 (fr) * 2020-08-05 2022-02-10 浙江德马科技股份有限公司 Machine d'empilement de plateaux de type plancher

Also Published As

Publication number Publication date
DK169381B1 (da) 1994-10-17
AU5462094A (en) 1994-06-08
DK135892D0 (da) 1992-11-09
DK135892A (da) 1994-05-10

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