EP0434412A1 - Encartonneuse - Google Patents

Encartonneuse Download PDF

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Publication number
EP0434412A1
EP0434412A1 EP90313956A EP90313956A EP0434412A1 EP 0434412 A1 EP0434412 A1 EP 0434412A1 EP 90313956 A EP90313956 A EP 90313956A EP 90313956 A EP90313956 A EP 90313956A EP 0434412 A1 EP0434412 A1 EP 0434412A1
Authority
EP
European Patent Office
Prior art keywords
carton
cartons
receptacle
pocket
stroke
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Withdrawn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
EP90313956A
Other languages
German (de)
English (en)
Inventor
Keith Talmadge
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.)
Field Group PLC
Original Assignee
Reed Packaging Ltd
Field Group PLC
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 Reed Packaging Ltd, Field Group PLC filed Critical Reed Packaging Ltd
Publication of EP0434412A1 publication Critical patent/EP0434412A1/fr
Withdrawn legal-status Critical Current

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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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/42—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation
    • B65B43/48—Feeding or positioning bags, boxes, or cartons in the distended, opened, or set-up state; Feeding preformed rigid containers, e.g. tins, capsules, glass tubes, glasses, to the packaging position; Locating containers or receptacles at the filling position; Supporting containers or receptacles during the filling operation using reciprocating or oscillating pushers
    • 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
    • B65B5/04—Packaging single articles

Definitions

  • the invention relates to apparatus for carrying out operations on cartons, such as erecting, loading and closing operations.
  • Apparatus of this type is generally known as a cartoning machine.
  • Conventional cartoning machines have a chain conveyor provided with longitudinally spaced lugs arranged to engage the base of cartons supplied from a magazine and transport them forwardly as the various operations are carried out on the cartons. At the end of the forward conveying movement the lugs disengage from the cartons, which are removed, and then move rearwardly with the chain to the rear of the conveyor where they engage further cartons supplied from the magazine.
  • the chain is supported by sprockets and is continuously driven by an electric motor, typically having at any given time five or ten cartons being transported forwardly.
  • the chain conveyor must be of sufficient length to provide space for the equipment to carry out the various operations on the cartons, such as manipulating the flaps of the cartons, loading each carton with a product, applying adhesive to the flaps, sealing the flaps closed, and removing the loaded cartons, and the conveyor is generally at least three or four metres in length.
  • the depth of the conveyor is determined by the downward spacing of the rearwardly running portion of the chain from the forwardly running portion, for example of the order of half a metre.
  • apparatus for carrying out operations on cartons such as erecting, loading and closing operations
  • the apparatus having means for transporting the cartons between operating positions, wherein the transporting means is arranged successively to perform forward and reverse strokes in reciprocating manner.
  • the transporting means moves in a reciprocating manner it can occupy substantially less space than a chain conveyor which requires space for the returning portion of the chain. Furthermore, since the transporting means will stop at the end of each stroke it is possible to perform operations on the cartons at these stopped positions, allowing the apparatus to have a relatively short length.
  • the transporting means may be stationary when first receiving a carton and after a forward stroke may be stationary again when the loaded carton is ejected. Because the transporting means is stationary the relevant operation, such as ejection of the loaded carton, requires only a short length in which to be performed, in contrast to a continuously moving chain conveyor system in which the cartons move forwardly during the time taken for the operation.
  • the transporting means of the apparatus can be substantially more compact than the known chain conveyor systems, both in terms of depth and length.
  • the transporting means is arranged to be stationary when receiving a carton and then to undergo a forward and a reverse stroke to return to the same position where the loaded carton is ejected e.g. by a lateral pushing member.
  • the dwell or stationary period at the end of the forward stroke may be used as a compression period, during which the carton is compressed to ensure adhesion of the flaps to which adhesive has been previously applied.
  • the apparatus is arranged to receive a carton before the forward stroke and to eject the carton at the end of the forward stroke. In this embodiment, if there is a compression step it will occur during the forward stroke and normally near the end thereof.
  • the transporting means prefferably stop at one or more positions intermediate the end of each stroke. This enables a further reduction in the length of the apparatus and again leads to improved accuracy in performing an operation, such as loading of a product into a carton, at such an intermediate stopping position.
  • the transporting means may be arranged to recieve two, three or more cartons and to transport these together as operations are performed thereon, but preferably carton receiving means is provided for receiving a single carton. If for any reason a carton is incorrectly positioned and becomes jammed then it is a simple matter to remove the carton, as compared to the situation in a chain conveyor type system where any jam tends to result in several cartons having to be removed.
  • the carton receiving means can be designed as a box-like receptacle or pocket arranged to engage and support an erected carton on three sides.
  • the receptacle or pocket might extend at least the full height of the carton.
  • the carton can be positively located and will be erected squarely, so that the carton is accurately positioned and secured when operations are carried out thereon.
  • the positive location of the carton in the receptacle or pocket avoids the need to have overhead guide rails as on a chain conveyor machine, thereby giving improved access.
  • the receptacle or pocket is preferably open at the top to receive a carton from a magazine and is open at each end for access.
  • An erection plate will normally be provided to erect each carton as it moves from the magazine (where it is stored in a flat condition) into the receptacle or pocket.
  • the plate may be a fixed member provided separately of the pocket, or it may be attached to the receptacle or pocket to be transported therewith. This latter arrangement ensures that the erection plate is always in the correct position relative to the receptacle or pocket, so that once the carton leaves the magazine it is accurately guided during erection into the receptacle or pocket.
  • the transporting means may take various forms to provide the required reciprocating movement, for example a worm or electromagnetic drive, but preferably a piston and cylinder arrangement is provided. This will generally be pneumatically driven and is preferably rodless to save space in the longitudinal direction.
  • a pneumatic cylinder may have a stroke selected for any particular application, for example a one metre stroke, and preferably includes a braking system for accurate stopping in the desired positions.
  • Figure 1 is a side elevation view of apparatus in accordance with the invention.
  • Figure 2 is a plan view of the apparatus
  • Figure 3 is an end elevation view on the arrow III shown in Figure 1;
  • Figure 4 is a perspective view showing the sequence of operations carried out on a carton by the apparatus.
  • the apparatus comprises a cartoning machine 1 having transporting means in the form of a rodless pneumatic cylinder 2 which supports a carton receiving pocket 3 and extends longitudinally and centrally of the machine.
  • a pair of external guides 6 are arranged parallel to the cylinder, one on each side thereof, and are engaged by laterally extending portions 7 of the carton receiving pocket 3.
  • the pocket is arranged to receive a carton 5 which is transported through a series of positions A to H shown in Figures 1 and 4.
  • the carton receiving pocket is shown in Figures 1 and 2 in its initial location at the beginning of a forward stroke which corresponds to position B of the carton.
  • a carton magazine 4 is arranged above the pocket in the initial location and contains a stack of cartons 5 in the form of pre-glued flat sleeves or skillets, as seen at position A in Figure 4.
  • a pair of laterally spaced and pneumatically driven carton extraction rods 8 are arranged beneath the pocket 3 and are each provided at an upper end with a suction cup 9 in communication with a vacuum generator (not shown).
  • the rods are driven by a common cylinder (not shown) and in alternative embodiments three or four rods could be provided.
  • the carton extraction rods are arranged to move to an upper position where the suction cups 9 engage the lowermost carton 5 in the magazine and pull it downwardly.
  • a carton erection plate 10 is located above and forwardly of the pocket 3 and is arranged to engage the forward edge of each carton as it is pulled downwardly to guide the carton into the pocket 3 and at the same time to cause the carton to transform from a flat condition to an erected condition (see Figure 1).
  • the erection plate 10 is shown as a member separate from the pocket 3 it may also be secured to the pocket to ensure that it remains in the correct position relative thereto for accurate carton guiding and erection.
  • Various devices are provided to perform operations on the carton contained in the pocket 3 during its transportation by the cylinder 2. These include devices for flap manipulation such as a pneumatically driven flap tucking cylinder 11, a pneumatically driven rotary flap tucking cylinder 12 (in place of which an ordinary cylinder could be used), and upper and lower flap closing ploughs 13 and 14.
  • a product 15 which might be a roll of e.g. plastic bags
  • a cross feed pusher 16 is provided and in order to prevent the product from passing through the carton, the minor flaps on the remote side are closed prior to product loading.
  • the braking system of the cylinder 2 operates to arrest the pocket and thus accurate product insertion is obtained.
  • a coder 17 is provided on the remote side to operate at this stage.
  • a hot melt adhesive jetting device 18 is arranged to jet a line of adhesive onto the lower surface of the upper major flap at each end of the carton as shown at position E in Figures 1 and 4. Other arrangements for applying adhesive may be provided.
  • a device (not shown) for compressing the carton ends is provided at position G to effect sealing of the previously applied adhesive.
  • a second cross feed pusher 20 is arranged to engage the sealed carton once it has been transported during the reverse stroke of the cylinder 2 back to the initial location. The cross feed pusher is arranged to push the sealed carton 5 laterally out of the pocket to position H shown in Figure 4. In an alternative arrangement the cross feed pusher could be provided at the end of the forward stroke.
  • Guard rails 19 are provided at each end of the cartoning machine 1 and along both sides thereof (some of the guard rails being omitted from the drawings for clarity).
  • a carton 5 in the flat condition is located at the bottom of the magazine 4.
  • the lower face of the carton is engaged by the suction cups 9 of the carton extraction rods 8 and the carton is pulled downwardly to be received by pocket 3 (position B).
  • the carton is guided and erected by erection plate 10.
  • Flap tucking cylinder 11 operates on the trailing minor flap at the remote end of the carton to move the flap to the closed position.
  • the cylinder 2 operates to transport the pocket 3 together with the carton 5 to position C, where the cylinder 2 is arrested by its braking system and the cross feed pusher 16 engages the product 15 and pushes it into the carton.
  • the braking system releases the cylinder 2 and the pocket 3 together with the carton 5 are transported continuously from position C to position G to complete the forward stroke of the cylinder.
  • the ploughs 13 and 14 operate to tuck the remaining flaps, apart from the upper major flaps which are in a horizontal orientation at position E for application of adhesive to their lower surfaces.
  • the upper major flap at the remote end of the carton requires no manipulation since it has remained horizontal in the sequence up to this stage, but the upper major flap at the near end of the carton is manipulated downwards by the upper plough 13 to achieve the horizontal orientation.
  • lateral ejection of the carton can occur at the end of the forward stroke (position G), in which case the compression step can be effected while the carton is still being transported forwardly.
  • a cartoning machine having a rodless cylinder of one meter stoke may typically erect, load, close and seal 600 cartons per hour, and although this is slower than the rate achieved by a chain conveyor system it is generally sufficient to receive products such as rolls of plastic bags as fast as they are produced by rolling machines.
  • the cartoning machine can be used to insert various products in cartons of different shape whilst still achieving the advantages of a compact construction and accurate processing of the cartons.
  • Certain of the operations described above could if desired be effected manually rather than automatically, such as loading of products into the cartons and ejection of each loaded carton from the pocket. Such manual operations are of course facilitated if they are performed when the transporting means is stationary.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Container Filling Or Packaging Operations (AREA)
EP90313956A 1989-12-19 1990-12-19 Encartonneuse Withdrawn EP0434412A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8928665 1989-12-19
GB898928665A GB8928665D0 (en) 1989-12-19 1989-12-19 Cartoning machine

Publications (1)

Publication Number Publication Date
EP0434412A1 true EP0434412A1 (fr) 1991-06-26

Family

ID=10668180

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90313956A Withdrawn EP0434412A1 (fr) 1989-12-19 1990-12-19 Encartonneuse

Country Status (2)

Country Link
EP (1) EP0434412A1 (fr)
GB (1) GB8928665D0 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5160005A (en) * 1990-11-27 1992-11-03 Allied-Signal Inc. Pawl and ratchet clutch with torsion shaft
DE19533413A1 (de) * 1995-09-09 1997-03-13 Emil Pester Gmbh Verpackungsmaschine
US6431227B1 (en) 2000-10-02 2002-08-13 Stork Food And Dairy Systems B.V. Aseptic filling device
CN111232318A (zh) * 2020-03-17 2020-06-05 上海万尔芯智能科技有限公司 一种套箱机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB837519A (en) * 1957-07-19 1960-06-15 Jagenberg Werke Ag Device and method for filling, folding and closing containers of paper and the like
US3153309A (en) * 1960-05-23 1964-10-20 Lever Brothers Ltd Packaging machine
US4439174A (en) * 1981-08-24 1984-03-27 Derderian Edward J Box-erecting machine
US4471601A (en) * 1981-11-06 1984-09-18 Anderson Bros. Mfg. Co. Machine for erecting, filling and closing cartons

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB837519A (en) * 1957-07-19 1960-06-15 Jagenberg Werke Ag Device and method for filling, folding and closing containers of paper and the like
US3153309A (en) * 1960-05-23 1964-10-20 Lever Brothers Ltd Packaging machine
US4439174A (en) * 1981-08-24 1984-03-27 Derderian Edward J Box-erecting machine
US4471601A (en) * 1981-11-06 1984-09-18 Anderson Bros. Mfg. Co. Machine for erecting, filling and closing cartons

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5160005A (en) * 1990-11-27 1992-11-03 Allied-Signal Inc. Pawl and ratchet clutch with torsion shaft
DE19533413A1 (de) * 1995-09-09 1997-03-13 Emil Pester Gmbh Verpackungsmaschine
US6431227B1 (en) 2000-10-02 2002-08-13 Stork Food And Dairy Systems B.V. Aseptic filling device
CN111232318A (zh) * 2020-03-17 2020-06-05 上海万尔芯智能科技有限公司 一种套箱机

Also Published As

Publication number Publication date
GB8928665D0 (en) 1990-02-21

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Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Designated state(s): BE DE FR GB NL

17P Request for examination filed

Effective date: 19911220

17Q First examination report despatched

Effective date: 19930730

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: FIELD GROUP PUBLIC LIMITED COMPANY

STAA Information on the status of an ep patent application or granted ep patent

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18D Application deemed to be withdrawn

Effective date: 19940210