EP1553022A1 - Vorrichtung zum Einklappen von Steigen - Google Patents

Vorrichtung zum Einklappen von Steigen Download PDF

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Publication number
EP1553022A1
EP1553022A1 EP05075048A EP05075048A EP1553022A1 EP 1553022 A1 EP1553022 A1 EP 1553022A1 EP 05075048 A EP05075048 A EP 05075048A EP 05075048 A EP05075048 A EP 05075048A EP 1553022 A1 EP1553022 A1 EP 1553022A1
Authority
EP
European Patent Office
Prior art keywords
folding
crates
walls
crate
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.)
Withdrawn
Application number
EP05075048A
Other languages
English (en)
French (fr)
Inventor
Johannes Cornelis Andeweg
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.)
Systemate Group BV
Original Assignee
Systemate Group BV
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 Systemate Group BV filed Critical Systemate Group BV
Publication of EP1553022A1 publication Critical patent/EP1553022A1/de
Withdrawn legal-status Critical Current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
    • B65B69/00—Unpacking of articles or materials, not otherwise provided for
    • 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
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/265—Opening, erecting or setting-up boxes, cartons or carton blanks

Definitions

  • the invention relates to a device for folding up folding crates.
  • folding crates can be provided with a locking system.
  • This may be folding crates of a system having various wall sizes, wherein the wall length remains the same, such as a system of folding crates having sizes of 400x300 and 400x600 mm, the locking means being disposed in the 400 mm walls. It may for instance regard so-called Europool-system crates.
  • the invention provides a device for folding up folding crates, which folding crates in two opposite first walls are provided with means for locking the unfolded position, in cooperation with connecting second walls, wherein the device comprises a first conveyor for passing the crates through the device according to a process path, as well as means for deactivating the locking means, as well as folding means for during continuing conveyance of the folding crates folding down the first walls and the second walls.
  • the folding crates are folded up in a continuously conveying manner, as a result of which the conveyor for the crates can remain activated and a high capacity is achievable.
  • the conveyor can remain activated at a continuous speed if the deactivation means are positioned for moving along in the process path while the deactivation means are operative.
  • the folding crates can be stably passed through the device if the first conveyor supports the crates on the bottom.
  • the deactivation means are adapted for engagement of the locking means from the outer sides of the first walls.
  • the locking means are provided with operation eyes, which for deactivation can be moved towards each other, and the deactivation means are provided with pins placeable in the eyes, as well as with means for moving the pins apart.
  • the pins are disposed at respective ends of levers, of which the other end is provided with a cam roller, wherein the device is further provided with permanently positioned roller guides for moving the cam rollers in question in a direction transverse to the process path.
  • the device is provided with flight means for taking along the folding crates, wherein the flight means are preferably disposed on a second conveyor, which circulates at a speed differing from the speed of the first conveyor, preferably a lower speed.
  • the folding crates while being engaged by the first conveyor, can then abut the flight means, as a result of which their position is fixed/determined.
  • the second conveyor circulates according to a path situated above the first conveyor, having axes of rotation parallel to the bottom of the folding crate and perpendicular to the process path, as a result of which the room present above the first conveyor is utilised.
  • the flight means comprise a leading, first flight and a trailing, second flight, positioned so as to retain a folding crate in between them.
  • the folding crates with their leading first wall run into the first flight.
  • the flights can be formed to at least engage the folding crate at a location beyond the folding walls.
  • crates of various sizes, per process can be treated, for instance crates of 400x300 mm in a first process and crates of 400x600 mm in a second process.
  • the deactivation means are at least partially disposed on the flight means.
  • the deactivation means can simply engage onto the means for locking the unfolded position of the crate when the first conveyor is adapted for passing the crates through the device with the first walls transverse to the process path.
  • the device comprises first folding means for during continuing conveyance of the folding crate folding down the first walls and second folding means for during continuing conveyance of the folding crate folding down the second walls.
  • the first folding means are placed upstream of the second folding means, as a result of which the second walls are free to be folded up.
  • the first folding means comprise a first folder for folding up the leading first wall of a folding crate, as well as a second folder for folding up the trailing first wall of a folding crate, wherein the first folder is placed downstream of the second folder.
  • the first folder thus cannot abut an as yet upright trailing first wall, as a result of which it would otherwise be urged into an upright position.
  • the first folder can be placed stationary, preferably compliantly hinged about an axis transverse to the process path, parallel to the bottom, counter a pre-bias towards a pending position, so that it can be urged upwards by a trailing first wall of a crate that has inadvertently not been unlocked.
  • the second folder can be movable within the path of the trailing first wall for exerting a pressure force on the outer side thereof, as a result of which the leading first wall is able to pass without problems prior to the trailing first wall is being folded down.
  • the second folder preferably is rotatable about an axis parallel to the bottom of the folding crate and perpendicular to the process path, preferably at a speed higher than the conveyance speed of the folding crate in situ, as a result of which the folding down of the trailing first wall can take place quickly and effectively.
  • the second folding means can be provided with pressure means for exerting a pressure on the outer side of the second walls, which enhances the folding down of the second walls.
  • the pressure means preferably are movable in and out of the movement path of the second walls, so that they can be optimally active but can be timely retracted from the path of the crates, so that failure/hindrance is avoided in case a crate would inadvertently still have upright first walls that might prevent the second walls from being folded down.
  • the pressure means are disposed on a lever, that can be hinged about a stationary axis oriented perpendicular to the bottom, which axis preferably is situated upstream of the pressure means.
  • the device is furthermore provided with means for detecting a certain height of the crate after the first and second folding means have been passed, with which it can be established whether a folding crate has indeed been folded up.
  • Means may be provided for in response to the measurement of the detection means discharging the measured folding crate from the first conveyor.
  • the invention furthermore provides, according to a further aspect, a device provided with means for folding up folding crates, particularly for during continuing conveyance through the device folding up the folding crates.
  • the device comprises folding means for folding down the side walls of the folding crates.
  • the device comprises deactivation means for deactivating means for mutual locking of the side walls of the crates, wherein preferably the deactivation means are positioned for moving along with the crates during operation of the deactivation means.
  • the folding crate 1 shown in the figures 1 A-D has a bottom 4, two first walls 2 and two second walls 3, which walls are hinged to the bottom 4.
  • the crate shown in this example is of the Europool type, having a size of 400x300 mm.
  • Europool crates are also available in the size 400x600 mm.
  • the second walls 3 have a length of 400 mm and they are provided with operable closing means 5, that can be pulled towards each other for ending a locking between the upright edges of the meeting walls 2 and 3.
  • the locking mechanism is designed to become automatically active by snapping, when the said edges of the walls 2 and 3 are correctly brought against each other.
  • FIG 1A the crate 1 is shown in flat folded condition, wherein the walls 2 lie over the walls 3.
  • FIG 1B the walls 2 are almost fully erected, but the walls 3 still lie flat against the bottom 4.
  • the walls 3 are raised, and in figure 1D the erected crate 1 can be seen, which can be brought into the flat folded position of figure 1A using the device shown in figure 2.
  • the crate folding device 10 shown in figure 2 comprises a frame 20, on which a conveyance/support path 21 is supported, optionally at a separate part of said frame 20, wherein a conveyor belt 22 is able to supply crates 1 from the direction A, through the device 10 to, as considered in the drawing on the right-hand side, the discharge end.
  • the conveyor belt 22 is continuously driven by means of a motor that is not shown, and at both ends circulates about circulating rollers.
  • the conveyor belt 22 is driven at a speed V 1 .
  • a conveyor 11 is provided on a frame 20, the conveyor 11 having a chain set 14 circulating in a vertical plane and circulating about chain wheels 15 and 16, one of which is driven. Pairs of flights 12, 13 are disposed on the chain 14, which flights circulate along with the chain 14, anticlockwise as considered in the drawing.
  • a second toothed wheel 17 is disposed for rotating along with it, around which toothed wheel a further chain 18 circulates, which at the other turn end circulates about a chain wheel 19, that is attached to a cross axle 30 bearing-mounted on the frame 20.
  • B "second" folders 40 are disposed for rotation by axle 30.
  • a "first" folder 50 is disposed on the frame 20.
  • the leading flight 13 of each pair of flights 12, 13 is provided with a holder 33, which moves through a slot 28 in fixed guide 25 that also offers support to the chain 14.
  • the holder 33 is provided with a transversely penetrating U-shaped profile 41, which at the trailing side is provided with a stop plate 43.
  • hinges 36a, 36b are provided, on which -in this example explained for 36a- a lever 35a is attached that is hingeable in the horizontal plane.
  • the lever 35a is provided with an upright axis 34a having roller 39a, that can be operated by abutment against a guide path 26 attached at the bottom of rail 25, which guide path 26 then actually functions as a curve path.
  • the other end of the lever 35a is provided with a pin 37a. Under the influence of the path 26 on the freely rotatable roller 39a, the latter is urged to the outside, as a result of which lever 35a hinges about hinge 36a and the pin 37a moves to the inside in transverse direction.
  • the pins 37a are intended to extend into the eyes 5 of the locking mechanism of the folding crate 1.
  • flight 12 is similarly built, as can be seen in figures 3A, B. Its holder 32 however extends diagonally upwards, in order to enhance turning in into the path of the crates 1.
  • the mutual distance between the flights 12 and 13 is adjusted to the folding crate to be treated.
  • the crate with 400 mm is placed widthwise and the mutual distance between the stop plates 42 and 43 is 300 mm.
  • FIG 3B the conveyance surface that is formed by conveyor belt 22 can further be seen.
  • the crates may be guided sideways by stationary guide rods 27.
  • the motion of the chain 14 is adjusted such to the motion of the conveyor belt 22, that it moves the flights 12 and 13 at a speed parallel to the direction A of V2 that is substantially lower than the speed V 1 , in this example in terms of percentage some dozens.
  • a folding crate 1 is urged against stop surface 43 of the leading flight by the conveyor belt 22.
  • the belt 22, that is continuously driven slips through under the folding crate 1.
  • the next flight 12 is turned in into the path A, in order with stop plate 42 to optionally abut the trailing wall 3 of the folding crate.
  • the folding crate 1 then is as it were kept confined during the further process, wherein the conveyor belt 22 remains slipping through under the crate 1.
  • the folding crate 1 then arrives at the "second" folder 40 of the figures 4A, B.
  • Said folder 40 comprises two elongated blades 40a, b which for rotation are fixedly attached to cross axle 30.
  • the blades 40a,b are rotated in the direction B into the path of the folding crate 1, they slap against the outer surface of the trailing wall 3 of the folding crate 1.
  • the chain 18 is driven at a speed V3, which is such, that the circumferential speed of the blades 40a, b, is higher than the speed of the chain 14.
  • the length of the blades 40a, b is chosen such, that the blades 40a, b are able to fold down the -after all unlocked- trailing wall 3 and then are capable of moving on without being obstructed.
  • the blades 40a, b might be moved with a free-running path, wherein they turn freely downwards over a path.
  • the crate 1 arrives at the "first" folder 50, which comprises at least one elongated plate 51, which at the lower end is provide with a bent edge 52.
  • the plate 51 is freely hinged to frame 20, at the location of hinge 56.
  • the plate 51 is connected to a fixed point 54 on the frame 20 by means of a spring 53.
  • the profile 40 particularly the rear side of the plate 42, will abut the bent edge 52, as a result of which the plate 51 is rotated along in the direction C, to the inclined position shown.
  • a tensile force is built up here in the spring 53.
  • the edge 52 is able to move over the plate 40/42, as a result of which spring forces are released and the plate 51 moves to the vertical position, slapping against the leading wall 3.
  • the plate 51 can move along, hinging about hinge 56.
  • the spring 53 subsequently ensures adjustment to the vertical position shown in figure 5B, for instance against a stop that is not shown.
  • the side folders 60a, b are positioned on both sides of the path for the folding crates 1, and each comprise a synthetic finger 63, attached to a lever 62 by means of bolts, which lever is hingeable (direction D) about a vertical hinge 61.
  • the other end of the lever 62 is hinged to the piston rod of a pneumatic cylinder 65.
  • the lever 62 is rotated in the direction D so that the finger 63 with bevelled surface 66 runs into the as yet upright side walls 2 and lets them fold down.
  • the fingers 65 are only activated by a central operation unit that is not further shown, when the "first" folder 50 has not been able to be operative because the crate 1 in question was not properly unlocked.
  • the crate 1 arrives at the end of the device 10, where there is a photocell 80, with which the central operation unit is able to verify whether or not the crate 1 in question has been folded up.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)
EP05075048A 2004-01-07 2005-01-07 Vorrichtung zum Einklappen von Steigen Withdrawn EP1553022A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1025185 2004-01-07
NL1025185A NL1025185C2 (nl) 2004-01-07 2004-01-07 Inrichting voor het invouwen van kratten.

Publications (1)

Publication Number Publication Date
EP1553022A1 true EP1553022A1 (de) 2005-07-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05075048A Withdrawn EP1553022A1 (de) 2004-01-07 2005-01-07 Vorrichtung zum Einklappen von Steigen

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EP (1) EP1553022A1 (de)
NL (1) NL1025185C2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2583932A (en) * 2019-05-14 2020-11-18 Nissan Motor Mfg Uk Ltd Device for folding a collapsible crate
WO2022067452A1 (es) * 2020-09-29 2022-04-07 Wenco S.A. Máquina y método para el armado automatizado de cajas plegables

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0067323A2 (de) * 1981-06-12 1982-12-22 Uwe W. Friedrich Zusammenklappbarer Transportkasten
FR2702198A1 (fr) * 1993-03-01 1994-09-09 Raef Sarl Location Cageot repliable pour le transport de fruits et légumes.
EP0978454A1 (de) * 1998-08-04 2000-02-09 Systemate Group B.V. Vorrichtung und Verfahren zum Entfalten von faltbaren Kisten und Verfahren zum Entleeren von Kisten
EP1081049A2 (de) * 1999-08-27 2001-03-07 Frutmac S.R.L. Verfahren und Vorrichtung zum Aufklappen von zusammengeklappten Steigen
EP1375355A2 (de) * 2002-06-28 2004-01-02 Karl Fiederling Vorrichtung zum Entfalten und Weiterleiten von Klappbehältern

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0067323A2 (de) * 1981-06-12 1982-12-22 Uwe W. Friedrich Zusammenklappbarer Transportkasten
FR2702198A1 (fr) * 1993-03-01 1994-09-09 Raef Sarl Location Cageot repliable pour le transport de fruits et légumes.
EP0978454A1 (de) * 1998-08-04 2000-02-09 Systemate Group B.V. Vorrichtung und Verfahren zum Entfalten von faltbaren Kisten und Verfahren zum Entleeren von Kisten
EP1081049A2 (de) * 1999-08-27 2001-03-07 Frutmac S.R.L. Verfahren und Vorrichtung zum Aufklappen von zusammengeklappten Steigen
EP1375355A2 (de) * 2002-06-28 2004-01-02 Karl Fiederling Vorrichtung zum Entfalten und Weiterleiten von Klappbehältern

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2583932A (en) * 2019-05-14 2020-11-18 Nissan Motor Mfg Uk Ltd Device for folding a collapsible crate
WO2022067452A1 (es) * 2020-09-29 2022-04-07 Wenco S.A. Máquina y método para el armado automatizado de cajas plegables

Also Published As

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