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WO2003042040A1 - Procede et dispositif pour charger des cartons dans un recipient - Google Patents

Procede et dispositif pour charger des cartons dans un recipient Download PDF

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Publication number
WO2003042040A1
WO2003042040A1 PCT/SE2002/001639 SE0201639W WO03042040A1 WO 2003042040 A1 WO2003042040 A1 WO 2003042040A1 SE 0201639 W SE0201639 W SE 0201639W WO 03042040 A1 WO03042040 A1 WO 03042040A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
cartons
plates
standards
conveyor
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.)
Ceased
Application number
PCT/SE2002/001639
Other languages
English (en)
Inventor
Håkan ANDERSSON
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.)
Svenska Lantagg AB
Original Assignee
Svenska Lantagg AB
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 Svenska Lantagg AB filed Critical Svenska Lantagg AB
Publication of WO2003042040A1 publication Critical patent/WO2003042040A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B65B23/00—Packaging fragile or shock-sensitive articles other than bottles; Unpacking eggs
    • B65B23/02—Packaging or unpacking eggs
    • 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
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/10—Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles
    • B65B5/108—Article support means temporarily arranged in the container

Definitions

  • the invention relates to a method and a device for loading several layers of cartons in a container having side walls and a bottom.
  • Said cartons may contain eggs or other products and are loaded in several layers in said container.
  • cartons Large and effective loading machines for loading eggs in egg cartons, hereinafter designated cartons, are present today. Common carton sizes are 6, 10, 12, 15 and 18 eggs. So called trays having a larger number of eggs are present too.
  • the cartons containing eggs are conveyed onto conveying tracks and are transported to accumulating stations.
  • the cartons are manually loaded in containers, which are used for distribution to sales places. It is also becoming more common to use the cartons at exposure of eggs in shops.
  • an object of the invention is to eliminate the above mentioned disadvantages and problems and provide a method allowing auto- matic loading of cartons in a container.
  • the method is particularly suitable for use in connection with cartons containing fragile goods, e.g. eggs, but may also be used generally in connection with loading.
  • a device allowing automatic loading of cartons in a container is also provided.
  • the container is designed with at least side walls and a bottom.
  • a set of cartons is, according to the invention, conveyed automatically to a position above the container. Through apertures in the bottom of the container, standards are projected for carrying the cartons. The standards are then lowered a distance corresponding to the height of a carton layer and a new set of cartons is conveyed forward. These measures are repeated until the container is filled to a desired level, whereupon the standards are withdrawn from the container.
  • the container may then automatically be fed onto a conveyor for further handling.
  • Fig. 1 is a schematic perspective view of one embodiment of a device according to the invention.
  • Fig. 2 is a schematic perspective view of the device according to Fig.
  • FIG. 3 is a schematic front view of a the device according to Fig. 1
  • Fig. 4 is a schematic plane view from above of a somewhat modified device according to Fig. 1 ,
  • Fig. 5 is a schematic plane view of the device according to Fig. 1 , but provided with a feeding mechanism for empty containers,
  • Fig. 6 is a schematic perspective view of an alternative embodiment of a device according to the invention
  • Fig. 7 is a schematic side view of a portion of an alternative embodiment of the invention
  • Fig. 8 is a schematic plane view of the device according to Fig. 7. DESCRIPTION
  • a device without a container In the embodiment according to Fig. 1 there is shown a device without a container.
  • a plurality of standards 10 having supporting plates 11 are ex- tended upwards in pairs from supporting arms 12.
  • Said supporting arms 12 are connected to a hoist 13 (see Fig. 3 and Fig. 4) and may be lifted and lowered in several steps.
  • a carton 14 is indicated with dash and dot lines. The number of supporting arms 12 and their relative positions are selected with regard to the application and other circumstances.
  • Cartons 14 are conveyed onto the standards 10 from a first conveyor
  • the first conveyor 15 comprising rollers in the embodiment shown.
  • said conveyor comprises a conveying belt or other means for automatic feeding of cartons.
  • the cartons fed from the first conveyor 15 are sliding forward onto a first set of supporting means 16 compris- ing two opposite and hinged base plates in the embodiment shown.
  • the length of said plates is somewhat shorter than the length of the container the cartons are to be positioned in.
  • the base plates are pivoted to a horizontal starting position. The starting position is taken before the cartons are fed forward from the first conveyor 15.
  • the conveyor of the egg loading machine may constitute the first conveyor 15 for the egg cartons, so that these are brought directly onto the supporting means without any particular driving station.
  • the container in which the cartons are to be loaded rests upon a second set of supporting means 17 during a loading phase.
  • the second set of supporting means 17 comprises two opposite and hinged supporting plates.
  • On a level below the second set of supporting means 17 is a second conveyor arranged in the form of driving rollers 18.
  • the driving rollers are replaced by a conveying belt.
  • the driving rollers 18, or a corresponding device are used when a filled container is brought out from the device according to the invention to a subsequent conveyor or another device. Cartons fed forwards on the first conveyor 15 are hindered from reaching the first set of supporting means 16 by a stopper 23 in particular situations, e.g. when the supporting plates are filled or pivoted down.
  • the second set of supporting means comprise vertically adjustable plates between the driving rollers.
  • the vertically adjustable plates are designed for lifting the container to an upper filling position when the egg cartons are lowered into the container.
  • the vertically adjustable plates are pulled down between the driving rollers, so that the container may be fed out.
  • Fig. 2 schematically shows the device in Fig. 1 with a container 19 indicated with dash and dot lines.
  • the container is resting upon the supporting plates of the second set of supporting means 17 and is positioned in a filling position.
  • a platform 20, or another type of filling station is arranged in front of and at the same level as the supporting plates of the second set of supporting means 17.
  • Empty containers 19 may be pushed onto the supporting plates of the second set of supporting means 17 from the platform 20.
  • the standards 10 extend between the driving rollers 8. It is also possible to arrange more driving rollers 18, or a longer conveying belt, so that the filling station may receive more empty containers.
  • the filling station may be fed manually or may be provided with a container erector.
  • an empty container is fed into the filling position in connection with feeding out a container filled with egg cartons.
  • the container 19 is designed with four in pairs parallel side walls and a bottom wall.
  • Apertures 21 are arranged in the bottom wall in positions corresponding to the positions of the standards. In the embodiment according to Fig. 2 the apertures are circular, but figure and size may be adjusted to the application and the design of the container.
  • the standards 10 may be projected through the apertures
  • the standards are projected to a level somewhat below the first set of supporting means 16 for receiving the cartons 14 when the supporting means 16 are pivoted down, which is indi- cated at the arrow A in Fig. 3.
  • Fig. 3 shows a starting position having a first set of cartons 14 in position above a container 19.
  • the standards 10 are projected through the bottom 19 ' of the container 19.
  • the carton showed is indicated to contain eggs and is resting upon the first set of supporting means 16.
  • the standards 10 are set in a position just below the supporting means 16. In this position the supporting arms 12 take a first position P1.
  • a desired number of cartons 14 are fed into the supporting means 16, these are pivoted down in the direction of the arrow A.
  • the cartons 14 slide down onto the sup- porting plates 11 of the standards.
  • the plates of the supporting means 16 are pivoted around an axis 25, positioned somewhat outside the side walls of the container 19. At pivoting down the plates, said side walls of the container are pressed out, which facilitates the movement of the cartons 14 down into the container 19.
  • the side walls of the container 19 are indicated with dash and dot lines in the pressed out position.
  • a control unit 22 connected with the hoist 13 and the supporting means 16, 17, is arranged for controlling the different movable units.
  • Suitable control means such e.g. a computer, memory units and driving means for driving the hoist 13 and other pneumatic, electric or hydraulic movement means, are arranged in the control unit 22 in a conventional fashion.
  • the supporting arms 12, connected with the hoist 13, are lowered a distance corresponding to the height of a carton 14 and takes a second position P2.
  • the supporting arms 12 in this position are indicated with dash and dot lines.
  • new cartons are prevented from being fed onto the first set of supporting means 16.
  • This may take place by the means of a stopper 23, which is shown in a raised position in Fig. 3, arranged in front of the first set of supporting means 16.
  • the stopper 23 is arranged pivoting down to a position in the movement path of the cartons 14 to the position shown with dash and dot lines.
  • the stopper 23 may in an alternative em- bodiment be arranged in the lower part of the first conveyor. In a such embodiment the stopper is pivoted upwards instead of downwards to prevent the cartons from being fed in above the container.
  • the lowering of the supporting arms 12 is vertical, as indicated in Fig. 3 at the arrow B.
  • the cartons rest- ing upon the supporting plates 11 are brought down into the container 19.
  • the supporting plates of the first set of supporting means 16 are then pivoted back to the starting position.
  • the stopper 23 is pivoted upwards and a new set of cartons 14 is fed forwards on the first set of supporting means 16.
  • the stopper 23 is then pivoted down again to prevent further cartons 14 from be- ing fed in above the container.
  • the supporting plates of the first set of supporting means are then pivoted down in the direction of the arrow A, wherein the set of cartons is positioned on top of the set of cartons previously positioned in the container 19. These steps are repeated until the container 19 is filled to a desired level.
  • the supporting arms 12 are lowered two further steps, first to a position P3 and then to a position P4.
  • the container 19 filled to desired level With the container 19 filled to desired level, the container is resting upon the supporting plates of the second set of supporting means 17. How- ever, the cartons 14 arranged in the container are in this position supported by the standards 10.
  • the supporting plates of the second set of supporting means 17 may be pivoted down, which is indicated at the arrow C in Fig. 3, or lowered vertically down.
  • the supporting arms 12 In immediate connection to the pivoting motion of the supporting plates or the lowering, the supporting arms 12 are lowered further to a position P5.
  • the supporting plates 11 of the standards 10 are positioned at a level below the driving rollers 18, which means that the container 19 with its content is resting upon the driving rollers 18 in this position.
  • Fig. 4 shows a container 19 in the filling position resting upon the supporting plates of the second set of supporting means 17.
  • the supporting arms 12 and the supporting plates 11 are visible through the apertures 21 in the bottom of the container. It is also evident that there are four supporting arms 12 in this embodiment and that they extend into the hoist 13. In other embodiments more supporting arms are arranged.
  • One carton 14 is resting upon the first conveyor 15 and one carton is indicated with dash and dot lines, resting upon the first set of supporting means 16.
  • the carton 14 on the first conveyor 15 engages on the stopper 23, which is pivoted down for stopping arriving cartons 14.
  • the conveyor 15 may have a larger extension in a direction from the stopper 23 towards a loading machine, in which objects are loaded in the cartons 14.
  • the control unit 22 is shown on top of the hoist 13, but may also be integrated therein or be arranged in an apparatus cabinet or the similar in a distance from the hoist 13.
  • the modification made on the device in Fig. 4, compared to the device in the rest of the figures, relates to rolling means 24 of the first set of supporting means 16.
  • the rolling means 24 facilitates the movement of the cartons 14 in above the container 19 and may be designed as rolls carried in bearings, as shown in Fig. 4, or as mounted needles, balls or the similar.
  • a transducer 26 is suitably arranged to indicate when a set of cartons
  • the transducer 14 is ready to be lowered into the container 19.
  • the cartons are brought in above the container 19 from the first conveyor 15 connected to a side of the container 19.
  • the transducer is pressure-sensitive and is arranged opposite the side of the container 19 con- nected to the first conveyor 15.
  • the transducer 26 will indicate when the first of the cartons brought in above the container 19 has reached the farther side of the container 19 relative the first conveyor 15.
  • the transducer comprises optic means and is arranged in a suitable position.
  • the transducer 26 is con- nected with the control unit 22, as well as the stopper 23 and the first set of supporting means 16 and the second set of supporting means 17.
  • the second set of supporting means 17 comprises a plurality of plate elements extended between the driving rollers 18. These plate elements can be lowered to a position below the driving roll- ers 18, when the container is filled to a desired level.
  • empty containers 19 are manually positioned on the second set of supporting means 17.
  • the device according to the invention is provided with feeding means 27 for empty containers.
  • the feeding means 27 comprises rolls in the em- bodiment shown, on which a container 19 automatically may be brought into a position above the second set of supporting means 17. The rolls are connected with the control unit 22 and are brought to rotate in connection with a full container being fed away from the second set of supporting means, so that a new container is in position without unnecessary delay.
  • the feeding means 27 may also comprise a conveyor belt, or the similar, and a container erector may be included for automatic erection of containers 19.
  • Fig. 6 shows an alternative embodiment, in which the first set of supporting means is replaced by a sheeting 28, or another material that may be rolled up.
  • the sheeting shown in Fig. 6 with a cut out section 30, is unrolled from a cylinder 29 before a first carton 14 is admitted on the first conveyor 15 passed the stopper 23.
  • the sheeting 28 is pulled off in the direction of the arrow D and is rolled up on the cylinder 29.
  • the standards 10 arranged on the sup- porting arms 12 thereby receive the cartons.
  • the supporting arms 12 are then lowered down between the driving rollers 18, in the same fashion as described above, to make room for a further layer of cartons.
  • the sheeting 28 is then pulled out in the opposite direction for covering the container again.
  • the sheeting 28 should be rigid in the cross-direction and is suitably running in some sort of bars.
  • two bars 31, having C-profile, are arranged along the long sides of the sheeting. Thereby, it is ensured that the sheeting does not fold in connection with cartons being brought thereon.
  • the first conveyor 15 comprises an endless conveyor belt running over two rotating rollers 32. An upper track of the conveyor belt runs in a plane substantially similar to the first set of supporting means 16 so that arriving cartons 14 are brought onto the supporting means 16. The stopper for stopping arriving cartons used in the other embodiments is excluded.
  • the endless conveyor belt is run in a reversed direction for a short period, when the desired number of cartons has been brought onto the first set of supporting means 16 to a correct position over the container 19, when the container 19 is in a loading position.
  • the cartons to be lowered into the con- tainer are separated from those cartons which are to be brought over the container in the next turn.
  • the backward movement of the conveyor belt is controlled by the transducer 26, which is effected by the cartons arriving onto the first set of supporting means 16.
  • the transducer 26 may be designed as a micro breaker or any other suitable structure.
  • the transducer may comprise turning-sensitive or pressure-sensitive means.
  • Fig. 7 also show a flexible guiding plate 33 extending substantially vertical down into a container 19 positioned in loading position.
  • the guiding plate 33 is flexible so that it can be bent aside when an empty container is brought in the direction illustrated by arrow E.
  • the first set of supporting means 16 is pivoted aside to admit the cartons to be lowered down into the container the guiding plate 33 will guide the cartons down and into the container 19.
  • the hoist 13 comprises a driving motor and a synchronous drive belt (not shown). As in embodiments described above the hoist 13 is displaced in fixed positions corresponding to a layer of cartons.
  • Fig. 8 shows a production line having the device of Fig. 7 in the centre.
  • a first container 19 is positioned in loading position and four cartons 14 are laying on the first conveyor 15. Two additional cartons rest upon the first set of supporting means 16. Supporting plates 11 are visible through apertures in the bottom of the container 19. The hoist 13 has lifted the supporting plates 11 to the position illustrated in Fig. 7 so that a layer of cartons can be received.
  • the first conveyor 15 comprises an endless belt running over two rotating rollers 32 and a conveying plate 34 arranged between the rollers.
  • An outer rotating roller is arranged adjacent to a conveyor of a machine preparing the cartons, e.g. an egg loading machine.
  • the conveyor of the egg loading machine may comprise conveying rollers 35 as is shown in Fig. 8.
  • the conveying plate 34 is designed with two position detectors 36, one detector on each side of the endless belt.
  • the position detectors detect if any arriving cartons are in a tilted position.
  • the position detectors are optic.
  • the position detectors are connected to control means, which detect if any time difference between signals from the both position detectors is present.
  • the control unit 22 suitably comprises the control means.
  • the alignment means comprises two erectable guiding pins 37 arranged in line by the position detectors.
  • a control signal results in the erection of the guiding pins 37 and that they stay erected until the carton is brought into correct position resting upon the both guiding pins by means of the motion of the endless belt.
  • Fig. 8 also shows a simple loading storage 38 for empty containers.
  • the loading storage 38 comprises two corner bars 39 arranged by a long side of the container and a flat bar 40 arranged on the opposite long side. Both of the corner bars 39 and the flat bar 40 are designed with a length corresponding to the height of the desired number of containers to be positioned in the loading storage.
  • the flat bar 40 is provided with a sliding release pin 41 stopping containers positioned above the loading storage from sliding down to a level corresponding to loading position when projecting and permitting a container to slide down to said level when retracted.
  • a horizontal conveyor (not showed), e.g. designed as a pushing cylinder, pushes a container 19 forward from the loading storage to the load- ing position below the first set of supporting means 16 in the direction of arrow E.
  • Containers of different length may be loaded by adjustment of the supporting arms, the standards and the supporting means. Also the transducer 26 is movable to different positions.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Abstract

Procédé et dispositif pour charger plusieurs couches de cartons (14) dans un récipient (19) possédant des parois latérales et un fond (19'). Selon l'invention, le procédé comprend les étapes suivantes: a) mettre les cartons sur un premier transporteur (15), qui se présente comme une bande sans fin, dans une position au-dessus du récipient; b) placer les cartons dans une position au-dessus du récipient au moyen de plusieurs montants (10) faisant saillie à travers les ouvertures (21) dans le fond du récipient, c) abaisser les montants sur une distance correspondant à la hauteur d'un carton tout en transportant les cartons placés sur eux; d) répéter les étapes de a) à c) jusqu'au remplissage désiré du récipient; et e) abaisser les montants à travers le fond du récipient de manière à ce qu'une couche de cartons s'appuie contre le fond (19') du récipient. Un premier transporteur (15) se présentant comme une bande sans fin est destiné à alimenter les cartons, et plusieurs montants (10) sont aménagés pour faire saillie à travers les ouvertures (21) dans le fond (19') du récipient. Les montants peuvent se déplacer pas à pas vers le bas dans des guides verticaux lors du transport des cartons; ils se mettent en position inférieure, en dessous du récipient.
PCT/SE2002/001639 2001-09-24 2002-09-13 Procede et dispositif pour charger des cartons dans un recipient Ceased WO2003042040A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0103188-9 2001-09-24
SE0103188A SE520020C2 (sv) 2001-09-24 2001-09-24 Metod och anordning för förpackning av förpackningar i låda

Publications (1)

Publication Number Publication Date
WO2003042040A1 true WO2003042040A1 (fr) 2003-05-22

Family

ID=20285439

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2002/001639 Ceased WO2003042040A1 (fr) 2001-09-24 2002-09-13 Procede et dispositif pour charger des cartons dans un recipient

Country Status (2)

Country Link
SE (1) SE520020C2 (fr)
WO (1) WO2003042040A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101717002B (zh) * 2010-01-22 2011-05-25 浙江大学 一种多功能禽蛋包装设备
WO2012028865A3 (fr) * 2010-09-03 2012-08-09 Pacepacker Services Ltd. Système de conditionnement
JP2016124601A (ja) * 2015-01-06 2016-07-11 株式会社ナベル 箱詰め装置および箱詰め方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1434587A (en) * 1921-07-23 1922-11-07 Broadley Joseph Apparatus for handling eggs
US1735042A (en) * 1928-07-27 1929-11-12 Loren L Gillespie Egg-crate-filling apparatus
GB505543A (en) * 1938-11-03 1939-05-12 Knud Carlo Klokker Hansen An apparatus for packing and unpacking trays of eggs disposed in a box
US2921702A (en) * 1956-11-16 1960-01-19 O & S Products Inc Carton loading and unloading device
US3653178A (en) * 1970-01-05 1972-04-04 Bauer Eberhard Apparatus for charging trays having a surrounding flange with articles ordered in groups
US4104846A (en) * 1976-12-01 1978-08-08 Waller John G Container loading machine and process
US4785611A (en) * 1986-12-04 1988-11-22 Ralph Hasenbalg Carton Packaging

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1434587A (en) * 1921-07-23 1922-11-07 Broadley Joseph Apparatus for handling eggs
US1735042A (en) * 1928-07-27 1929-11-12 Loren L Gillespie Egg-crate-filling apparatus
GB505543A (en) * 1938-11-03 1939-05-12 Knud Carlo Klokker Hansen An apparatus for packing and unpacking trays of eggs disposed in a box
US2921702A (en) * 1956-11-16 1960-01-19 O & S Products Inc Carton loading and unloading device
US3653178A (en) * 1970-01-05 1972-04-04 Bauer Eberhard Apparatus for charging trays having a surrounding flange with articles ordered in groups
US4104846A (en) * 1976-12-01 1978-08-08 Waller John G Container loading machine and process
US4785611A (en) * 1986-12-04 1988-11-22 Ralph Hasenbalg Carton Packaging

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101717002B (zh) * 2010-01-22 2011-05-25 浙江大学 一种多功能禽蛋包装设备
WO2012028865A3 (fr) * 2010-09-03 2012-08-09 Pacepacker Services Ltd. Système de conditionnement
JP2016124601A (ja) * 2015-01-06 2016-07-11 株式会社ナベル 箱詰め装置および箱詰め方法

Also Published As

Publication number Publication date
SE520020C2 (sv) 2003-05-06
SE0103188D0 (sv) 2001-09-24
SE0103188L (sv) 2003-03-25

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