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
  • B65B43/38—Opening hinged lids
  • B65B43/39—Opening-out closure flaps clear of bag, box, or carton mouth
• • 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
  • B65B25/00—Packaging other articles presenting special problems
  • B65B25/14—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
  • B65B25/141—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form packaging flat articles in boxes
  • B65B25/143—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form packaging flat articles in boxes by introducing successive articles
• • 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
  • B65B25/00—Packaging other articles presenting special problems
  • B65B25/14—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
  • B65B25/145—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form packaging folded articles
• • 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
  • B65B43/52—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 roller-ways or endless conveyors
• • 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
• • 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
  • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
  • B65B59/003—Arrangements to enable adjustments related to the packaging material
• • 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
  • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
  • B65B59/005—Adjustable conveying means
• • 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
  • B65B65/00—Details peculiar to packaging machines and not otherwise provided for; Arrangements of such details
  • B65B65/02—Driving gear

Definitions

• the present invention relates generally to the field of packaging. More particularly, the invention relates to an automatic flap spreading device for packaging containers, such as multi-flap cardboard boxes, before filling these containers with the articles they are intended to contain. The invention also relates to a filling station equipped with such an automatic flap spacing device.
• Folder-gluer machines glue and fold flat folding boxes intended to contain products, such as drug wafers or the like, for example packaged by a third industry. Boxes folded flat can then be stored efficiently in intermediate containers (eg cartons) to be transported to the industrial.
• intermediate containers eg cartons
• Document CH 659627 describes an example of filling station containers by folding boxes at the output of a folder-gluer machine.
• the folded boxes are tabled and then conveyed by a box conveyor in containers, boxes or boxes of cardboard, or "cartons".
• Each container may contain a large number of folded boxes, such as several tens or hundreds of boxes.
• the carton is formed with four cardboard bottom flaps and four cardboard top flaps that are intended to close the carton.
• the four bottom or top flaps of cardboard have two inner flaps and two outer flaps.
• the filling station is often preceded by a carton forming module operating in automatic mode or in semi-automatic mode.
• the cardboard forming module receives the cartons that arrive by folded sheet, puts them in volume and closes their bottoms, by folding and gluing the flaps, before transferring them to the filling station, in a state of opening by the top, to fill them with items.
• the four top flaps of cardboard are in a vertical position, substantially aligned in the same planes as those of the respective lateral sides of the carton which they form extensions. Folding the flaps towards the outside of the carton is necessary to load high and wide cartons. Indeed, at the height of the flanks must be added the height of the flaps. Indeed, without this folding operation, the filling station must be much more consistent.
• the present invention aims to provide a solution to the above disadvantages of the prior art, by providing a device capable of automatically ensuring a separation of the top flaps of packaging container, or carton, by folding to the outside of the container of these flaps, thus ensuring proper clearance of the openings of the containers before filling them with articles.
• the present invention relates to a flap separating device of a packaging container, the container being empty and having flaps extending vertically in an open upper part, the device being able to be integrated into a container. packing station filling station.
• the device comprising at least one flap spreader head, the flap spreader head being vertically movable for insertion thereof into the container and having first and second spacing blades of pivot-mounted flap and an actuator adapted to rotate the first and second blades, the first and second blades coming into contact during rotation with first and second flaps and causing them to be moved apart by bends towards the first and second flaps; outside the container.
• the device comprises lateral drive belts in parallel alignment with a path for conveying the empty and open container for transporting the container to a predetermined position in the device, at which position the device is made. flap spreading operation.
• the first and second blades are mounted symmetrically in the flap spreader head with respect to a vertical axis thereof, in a "V" -shaped configuration when the first and second blades second blades are folded into a rest position, the tip of the "V" substantially corresponding to a pivot point of the blades.
• the actuator controls rotations in the opposite direction of the first and second blades around their pivot point which come into contact with first and second flaps facing the container and cause a separation of these by bending at right angles to the outside of the container.
• the device comprises a horizontal upper conveyor belt for evacuating a container having the first and second folded flaps folded towards the outside of the container, the driving of the container being caused by rotation.
• the upper horizontal conveyor belt in frictional contact with high edges of the container.
• the actuator comprises first and second jacks respectively dedicated to the first and second blades.
• the device comprises a bridge-shaped frame having first and second vertical pillars with base portions resting on a floor surface and upper portions connected by a horizontal crossbar supporting the head. flap spacing.
• the device comprises two flap spacing heads. With two heads the bending forces are balanced on the flanks. The two heads allow to bend in the corners to benefit from the good rigidity of the cardboard in this area.
• the two flap spacing heads are mounted on a horizontal transverse spar with an adjustable spacing and the spar is adjustable in height between vertical pillars of the device, so as to allow positioning adequate two flap spreaders for different container sizes.
• the invention also relates to a filling station of packaging containers, the containers being empty and having flaps extending vertically in an open upper part thereof.
• the station comprises a flap spacing device as briefly described above.
• FIG. 1 shows a filling station of containers, such as cartons, in which is implanted a flap spacing device according to the invention
• FIG. 2 is a partial perspective view of a flap spacing device according to the invention in a state corresponding to an arrival of a carton to be treated;
• FIG. 2a is a partial perspective view of a flap spreader head of the device of FIG. 2;
• FIG. 3 is a partial perspective view of the device of FIG. 2 in a state corresponding to the insertion of flap spacer heads in the opening of a carton to be treated;
• FIG. 4 is a partial perspective view of the device of FIG. 2 in a state corresponding to a blade opening of the flap spreader heads and folding of two flaps angled outwardly of the carton;
• FIG. 5 is a partial perspective view of the device of FIG. 2 in a state corresponding to an evacuation of a treated carton having folded flaps;
• Figures 6a to 6c are side views sequentially showing the blade aperture of the flap spacing heads and folding of two flaps angled outwardly of the carton.
• a particular embodiment 1 of the flap spacer device according to the invention is here described in the context of an application of the device 1 in a filling station 2 of cartons 3 with folding boxes.
• Station 2 is placed at the exit of a folder-gluer machine (not shown) which is installed near a filling area C in FIG. 1.
• the boxes 3 are filled with a large number of folding boxes made and delivered by the folder-gluer machine.
• This folder-gluer machine glues and folds flat folding boxes which can then be stored, stored, glued and folded with a small footprint in the cartons 3 to be transported.
• the longitudinal and transverse directions are defined by reference to the trajectory of the cartons in a conveyor, along its median longitudinal axis.
• the upstream and downstream directions are defined with reference to the direction of travel according to the trajectory of the cartons.
• the filling station 2 comprises first carton conveyors C1a and C1b having a cardboard entry area A and a flap spacing area B, a flap spacing device 1 according to the invention. invention installed in the flap spreading zone B and in which the flaps of high FM a and R1 b cartons 3 are folded outward cartons 3, a second cardboard conveyor C2 containing a zone of filling C, a box filling conveyor 4 installed at the filling area C and filling the boxes 3 with folding boxes 5 provided by the folder-gluer machine, a carton transfer device 6 and a third conveyor C3 cardboard conveyor.
• the cartons 3 with the flaps FM a and FM b folded outwards are transferred by the conveyor conveyor of cardboard C1b, according to a substantially rectilinear routing Lb, towards the second cardboard conveying conveyor C2 which bring the cartons 3 to the filling zone C.
• the container filler 4 is configured to grip the folding boxes 5, for example tabled at the output of the folder-gluer machine, and to transfer them at a very high speed and in an orderly fashion. a carton 3.
• the carton 3 is filled with the folding boxes 5, it is transferred by the cardboard transfer device 6, along a routing path T 0 substantially rectilinear and perpendicular to the paths La and Lb, to the third conveyor. routing of cardboard C3.
• the third cardboard conveyor C3 is equipped with a vibrator device 7. The vibrator device 7 momentarily interrupts the transport of the cartons 3 filled by the conveyor C3, for an operation of vibrating the cartons allowing an orderly rearrangement of the folding boxes 5 contained in the cartons 3.
• the boxes 3, released by the cardboard transfer device 6, are conveyed, along a routing path Ld1, parallel to the paths La and Lb but in the opposite direction, until vibrator device 7.
• the routing by the conveyor C3 is resumed, along a routing path Ld2, extending the path Ld1, in order to evacuate the cartons 3 loaded with boxes folding 5 to an outlet 8 of the filling station 2.
• the cardboard conveyor C1 conveys the cartons 3, empty and with the flaps FM a and R1b of the carton 3 in a vertical position, to the flap spreading area B where the spacer device is installed. flap 1.
• Conveyor C1 has two sets of free rollers 9a and 9b.
• the main direction of the rollers 9a and 9b extends in the transverse direction T.
• the rollers 9a and 9b are mounted idly, parallel to each other, in a horizontal plane along the conveying path La.
• the conveying conveyor C1 cardboard further comprises a lateral drive device configured to drive in the longitudinal direction L the cartons 3 by tightening the base of their opposite side walls.
• the lateral drive device comprises for example at least two lateral drive belts 10a and 10b, arranged on the free roller trains 9a and 9b in parallel alignment with the conveying path La, in a symmetrical way and in look at each other.
• the cartons 3 are conveyed along the roller trains 9a and 9b, driven and guided laterally by the belts 10a and 10b.
• the carton conveying conveyor C1 a makes it possible to transport empty and open cartons 3 without deforming them to a predetermined position P1 in the center of the flap spreading zone B in the flap spacing device 1.
• the arrival of the carton 3 at this position P1 is detected in this form of realized by an optical cell for position detection (not visible).
• This detection of the arrival of the carton 3 at the position P1 controls the stopping of the lateral drive belts 10a and 10b and immobilizes the carton 3 under two flap spacing heads 12a and 12b of the flap separating device 1.
• the flap spreading device 1 comprises a bridge-shaped frame with two vertical pillars 13a and 13b, having base portions which rest on a floor surface, on either side of the conveyors for conveying carton C1a, C1b and C3 of the filling station 2, and a high horizontal cross 13c connecting the high ends of the pillars 13a and 13b.
• the two flap spacing heads 12a and 12b are fixed and carried by an adjustable horizontal transverse spar 14 provided to be adjustable in height H between the pillars 13a and 13b.
• the height adjustment of the transverse spar 14 allows adequate vertical positioning of the heads 12a and 12b for different heights of cardboard.
• the device 1 also allows a spacing adjustment of at least one of the two heads 12a and 12b, for example the head 12b, along the transverse spar 14 so as to adjust the device 1 for different widths of cardboard.
• the flap spreader head 12a is shown in detail in FIG. 2a, knowing that the two heads 12a and 12b have architectures and similar configurations. Representations of the heads 12a, 12b in three different operating states are also shown in Figs. 6a to 6c.
• the heads 12a and 12b are shown in a folded rest position, as shown in FIG. 6a, in which the heads have no contact with the carton 3.
• the flap spacing heads 12a, 12b each comprise essentially a body portion 120, a structure 120M (Fig. 6a) which is movable in height H relative to the body portion 120, and rods support and guide 123i and 123 2 mechanically coupled to the movable structure 120M and sliding in corresponding (not visible) bores of the body portion 120.
• the body portion 120 of the flap spreader head 12a, 12b is mechanically fixed to the adjustable horizontal transverse spar 14.
• a perforated sheet metal structure 15 is used for this mechanical attachment to the spar 14 and allows the heads 12a to advance, 12b, above the cardboard 3 at the stop, relative to the horizontal edge of the spar 14.
• This advance of the heads 12a, 12b allows positioning thereof on a transverse vertical plane forming a central plane of symmetry of the carton 3 according to its length.
• the mobile structure 120M essentially comprises first and second flap spacers 121 i and 121 2 , first and second jacks 122 i and 122 2 respectively associated with the first and second blades 121 1 and 121 2 , and assembly flanges.
• the blades 1211 and 121 2 have a "V" configuration.
• the angular spacing EA (Fig. 6a) of the "V" formed by the blades is at its lowest value.
• the lower ends of the blades, in immediate proximity, are mounted on pivots held between the flanges 124i and 124 2 and are thus rotatable about their respective pivot points.
• the heads 12a and 12b are shown in an insertion position in the top opening of the carton 3.
• the heads are brought inside the carton 3 by sliding the movable structure 120M along the rods 123i, 123 2 , the sliding of the mobile structure 120M is controlled by a pneumatic actuator (not visible) integrated between the two guide rod of the body portion 120.
• a control of spacing or opening of the blades 1211, 121 2 by rotation about their respective pivot points has the effect of spreading the flaps FM a and R1 b of carton 3 in contact with the blades 121 1, 121 2 , by folding thereof to the outside of the carton 3.
• the blade spacing control 121 1, 121 2 is implemented by the actuation of the cylinders 122i, 121 2 .
• the cylinders 122i and 122 2 are therefore actuated.
• the blades 1211 and 121 2 set in motion by the cylinders 122i and 122 2 , press the upper edges of the flaps FM a and FM b of the carton 3, which then gradually diverge by being folded towards the outside of the carton 3 , respectively.
• the actuation control actuators 122i and 122 2 continues until a total opening of the blades 121 and 121 2 , that is to say an alignment thereof in the same horizontal plane and a spacing angular EA of 180 °.
• the flaps FM a and FM b are bent outwards, at right angles to the corresponding lateral flanks F1 a and F1 b of the carton 3, respectively.
• the operation of spreading the flaps by the device 1 by folding them 90 ° outwardly of the carton 3 is completed.
• the following operations performed by the device 1 consist essentially in evacuating the carton 3 to the conveyors C1 b and C2 towards the filling area C, keeping the flaps FM a and R1 b folded at right angles to the outside of the carton 3, at least during part of the journey so as to "fix" their position better.
• FIG. 5 it is now described in detail the cardboard evacuation operations 3 mentioned above and carried out by the device 1.
• the carton 3 is set in motion and moves according to the routing path Lb.
• the blades 121 remain in 180 ° opening during the displacement shown in FIG. 5.
• This re-movement of the cardboard 3 is controlled in the device 1 immediately after the state shown in FIGS. 4 and 6c where the blades 121 i, 121 2 , have reached the opening of 180 °.
• a reversion of the belts 10a and 10b is then controlled in the device 1, as well as the rotation of a horizontal upper conveyor belt 16 shown in FIG. 5.
• the upper conveyor belt 16 is disposed at a height H, with respect to the rollers of conveyors C1a and C1b, such that a horizontal lower face thereof can come into frictional contact, without excessive support, with high edges SF1a, SF1b ( Figures 4 and 5) of the lateral flanks F1a, F1b of the carton 3.
• the carton 3 is conveyed along the path Lb by the joint action of the belts 10a and 10b on its base and by that of the belt 16 on the top edge SF1b.
• the carton 3 is also engaged at its base between guide bars 17a and 17b which are raised relative to the idle rollers of the conveyor C1 b. These bars 17a and 17b guide the carton 3 along the routing path Lb to the conveyor C2 of the filling zone C.
• the other two upper flaps of the carton 3 which remain vertically at the outlet of the device 1 can also be folded towards the outside of the carton 3 by means of two guide plates (not shown) arranged longitudinally on either side of the heads 12a and 12b.
• the flap spreader device for example for cartons of smaller dimensions, it could be envisaged to equip the flap spreader device with a single head, possibly provided with wider blades.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Making Paper Articles (AREA)
• Container Filling Or Packaging Operations (AREA)
• Closing Of Containers (AREA)
• Supplying Of Containers To The Packaging Station (AREA)
• Wrapping Of Specific Fragile Articles (AREA)
• Auxiliary Devices For And Details Of Packaging Control (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (2)

Family

ID=57042648

Family Applications (1)

Country Status (11)

Families Citing this family (5)

Family Cites Families (51)

• 2017
  • 2017-09-21 CA CA3035137A patent/CA3035137C/en active Active
  • 2017-09-21 WO PCT/EP2017/025266 patent/WO2018059741A1/fr unknown
  • 2017-09-21 CN CN201780060113.2A patent/CN109789937B/zh active Active
  • 2017-09-21 US US16/328,153 patent/US11174054B2/en active Active
  • 2017-09-21 JP JP2019516465A patent/JP6793823B2/ja active Active
  • 2017-09-21 EP EP17777166.4A patent/EP3519305B1/de active Active
  • 2017-09-21 KR KR1020197007874A patent/KR102233333B1/ko active IP Right Grant
  • 2017-09-21 BR BR112019003161-8A patent/BR112019003161B1/pt active IP Right Grant
  • 2017-09-21 ES ES17777166T patent/ES2832674T3/es active Active
  • 2017-09-21 PL PL17777166T patent/PL3519305T3/pl unknown
  • 2017-09-27 TW TW106133147A patent/TWI668159B/zh active

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