EP1853482B1 - Machine for automated packaging of product(s) in a cardboard box - Google Patents

Machine for automated packaging of product(s) in a cardboard box Download PDF

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Publication number
EP1853482B1
EP1853482B1 EP06707693A EP06707693A EP1853482B1 EP 1853482 B1 EP1853482 B1 EP 1853482B1 EP 06707693 A EP06707693 A EP 06707693A EP 06707693 A EP06707693 A EP 06707693A EP 1853482 B1 EP1853482 B1 EP 1853482B1
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EP
European Patent Office
Prior art keywords
box
machine
station
upstream
downstream
Prior art date
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Not-in-force
Application number
EP06707693A
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German (de)
French (fr)
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EP1853482A1 (en
Inventor
Didier c/o SIDEL MOUGIN
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Sidel Participations SAS
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Sidel Participations SAS
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Publication of EP1853482A1 publication Critical patent/EP1853482A1/en
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    • 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
    • B65B43/46—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 grippers
    • 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
    • B65B5/02—Machines characterised by incorporation of means for making the containers or receptacles
    • B65B5/024—Machines characterised by incorporation of means for making the containers or receptacles for making containers from preformed blanks

Definitions

  • the invention relates to a machine for automated packaging of product (s) in a cardboard box.
  • the present invention relates more particularly to a machine for packaging product (s) in a cardboard box according to a crating cycle comprising at least three successive operations to form, fill and close the box, the machine comprising means of crating which are arranged along a longitudinal packaging line of the machine comprising, from upstream to downstream, a first shaping station which successively receives, at a determined cycle rate, a crate cutout intended to to be at least partially shaped, and comprising a conveying device for transferring, successively from upstream to downstream in a forward path, the body thus formed to a second filling station to which the products are crated through associated loading means able to deposit the products to be packaged in the box, then to a third closing station of the box before its evacuation out of e the machine.
  • packaging machines of this type are known for crating, or cashing, products, particularly prepackaged products, such as boxes, bottles, sachets, etc. that is to say, in general, of all types of packaged goods, in particular to protect them and facilitate their transport, for example shipping from a place of production to a point of sale.
  • overpack defines the operation of strengthening or protecting a grouping or lot (s) of prepackaged products.
  • the crating cycle usually includes at least the three operations, ie shaping, filling and closing. These operations are carried out successively along the packaging line by means of a device for conveying the boxes between the different stations.
  • a conveyor device comprising two chains mounted in parallel and each having cleats which are arranged to block the bottom of the box in the vicinity of its four corners to ensure the transfer of the boxes to each of the line positions. packing machine.
  • a side portion of the bottom of each box is in contact on a longitudinal section of each chain between two successive stops.
  • the cleats are mounted integral with each chain and extend vertically above the chains to block the box longitudinally, in the direction of travel so as to achieve encashment.
  • the endless chains are rotated by drive means, such as a motor, which are connected to the two transverse axes, provided with toothed wheels, arranged at each of the upstream and downstream ends of the packaging line.
  • drive means such as a motor
  • chain conveyor devices generally do not allow to achieve accurate positioning of the cutouts or cartons between the cleats, which can cause operating incidents, especially during filling, due to bad blocking or positioning of the body.
  • the invention therefore aims to overcome the disadvantages of the state of the art and to provide a more reliable machine capable of operating at an increased rate.
  • the invention proposes a machine for packaging of the type described above, characterized in that the conveying device comprises a carriage which is mounted movably longitudinally between an extreme upstream position and an extreme downstream position and which carries means of cash transfers (s) comprising at least a first gripper for transferring a cash box formed from the first item to the second item and a second gripper for simultaneously transferring another cashier filled from the second item to the third item.
  • the conveying device comprises a carriage which is mounted movably longitudinally between an extreme upstream position and an extreme downstream position and which carries means of cash transfers (s) comprising at least a first gripper for transferring a cash box formed from the first item to the second item and a second gripper for simultaneously transferring another cashier filled from the second item to the third item.
  • FIG. 1 Representatives, Figures 1 to 3 , a machine 10 for the automated packaging of product (s) in a cardboard box 12 illustrating an exemplary embodiment of the invention.
  • the machine 10 is here a machine of the "over-pack” type, that is to say a machine in which the boxes containing the packaged products, as illustrated in FIGS. Figures 4 and 5 , are obtained by successive shaping of a cutout 14 of the type of "wrap” or “wrap-around” which literally means “wrapping around” the product.
  • the packaging of the products by the machine 10 is carried out according to a crating or cashing cycle mainly comprising at least the three successive operations of shaping, filling and closing the box 12.
  • each crate 12 will be identified below by the corresponding letter to the position to which it belongs. found, respectively 12A for the box formed, 12B for the filled box and 12C for the closed box.
  • the machine 10 comprises conventional means of collection which are arranged along a longitudinal packaging line 16 of the machine, that is to say arranged upstream downstream according to the direction of movement of the boxes 12 during the cycle, which are arranged here according to three successive work stations A, B and C, as Figures 1 to 3 .
  • the machine 10 comprises, upstream of the first station of the packaging line 16, means not shown on the Figures 1 to 3 , such as means for storing box cutouts 14 which are associated with means for bringing, at a determined cycle rate, each blank 14 to the first station A to which the blank 14 is received to be shaped at less partially.
  • the cutout 14 of the box 12 wrap is flat and usually made of corrugated cardboard.
  • the cutouts 14 of cash are therefore advantageously capable of being stacked flat, which facilitates the transport, handling or storage.
  • the dimensions of the cutout 14 of the box 12 are determined according to the dimensions of the products to be packaged.
  • the body 12 is a rectangular parallelepiped whose height (H), length (L) and depth (P) correspond, by convention, to the vertical, longitudinal and transverse dimensions according to the L, V, T trihedron respectively.
  • H height
  • L length
  • P depth
  • the cutout 14 of the body of the figure 4 comprises mainly four faces, here of rectangular shapes, which are referenced 1 to 4 and which are respectively provided laterally with at least two opposite flaps in pairs (s), referenced 5 to 8.
  • the vertical faces 1 and 3 correspond here to the transverse faces of the box 12 while the lateral faces are each constituted by the assembly, in particular by gluing, of four lateral flaps referenced 5, 6, 7 and 8 which respectively comprise the faces 1, 2, 3 and 4.
  • the transverse flap 9 is here secured to the free transverse edge of the lid 4 and is intended to be folded against the outer surface, alternatively internal, of the lateral face 1 and then secured to it during the closing operation of the the filled box 12B.
  • a face or surface is called “internal” when it is oriented towards the inside of the volume of the body 12 intended to receive the products and is called “external” in the opposite case.
  • the flap 9 is integral with the free transverse edge of the transverse face 1 of the body cutout 14.
  • the machine 10 comprises a storage magazine 18 comprising a stack of cutouts 14 of the body which is associated with a transfer arm 20 forming the extraction means for bringing a cutout 14 from the store 18 to the first position A formatting.
  • the storage magazine 18 is fed automatically into cutouts 14 of the box by cutting supply means.
  • the transfer arm 20, shown in FIG. figure 5a is mounted mobile at one, lower, its ends around a transverse axis (not shown) respectively between a high position, said extraction, in which it extends generally vertically and a low position, said formatting, in which it extends globally horizontally.
  • the transfer arm 20 has at the other, upper end of its gripping means such as suction cups 22 for suction of the blank 14, which are pneumatic type here, alternatively mechanical, such as a matrix having a plurality of suction cups 22 associated with a suction device (not shown) that can be selectively controlled.
  • suction cups 22 for suction of the blank 14, which are pneumatic type here, alternatively mechanical, such as a matrix having a plurality of suction cups 22 associated with a suction device (not shown) that can be selectively controlled.
  • the suction cups 22 cooperate with the so-called proximal body cutout 14 by exerting, here on the bottom 2, a suction force directed downwards.
  • the arm 20 causes the extraction out of the store 14 for cutting 14 proximal box when, driven in rotation, it pivots about its axis of rotation to the low position.
  • the magazine 18 comprises means for retaining the cutouts 14 of the box that are fixed or movable and are for example here constituted by vertical retaining bars 19 positioned in the vicinity of the flaps 5 to 8 so that the flaps 5 to 8 are closed. erase relative to the retaining bars 19 by folding to allow extraction of the proximal cutout 14 out of the store 18.
  • the figure 5b illustrates more particularly the arm 20 in an intermediate position during the downward movement of the upper position to the lower position.
  • the cutout 14 cooperates with guide means 24, 26 which causes the folding of the faces of the cutout 14 of cash adjacent the bottom 2, in a substantially vertical position.
  • the guiding means 24, 26 comprise, on the one hand, two curved arches 24 which, upstream, cooperate with the external surface of the transverse face 1 to cause a first folding along its common transverse edge with the bottom 2 and on the other hand, guide rods 26 which, downstream, cooperate with the external surface of the opposite face 3 and the cover 4 to cause a second folding along the opposite transverse edge, that is to say common edge of the bottom 2 and the face 3.
  • This first folding shaping operation is mainly intended to constitute the horizontal bottom 2 of the box 12 on which will be subsequently deposited the products to be packaged.
  • the bottom 2 does not necessarily constitute the subsequent bottom of the closed box 12C which is determined by the proper orientation of the packaged products which may differ from that adopted during filling.
  • the figure 5c illustrates, after the at least partial shaping of the body cutout 14, the box 12 wrap as received at the first station A shaping the packaging line 16 of the machine 10.
  • the suction device (not shown) is controlled to stop sucking when the transfer arm reaches its low position so that suction cups 22 then stop cooperating with the bottom surface of the bottom 2.
  • the box 12A thus formed is then likely to be transferred, successively from upstream to downstream, by a conveying device 30 according to the invention, to a second filling station B where as shown in figure 5d , products 28 to be packaged are deposited on the bottom 2 of the filled box 12B and then to a third position C of closure, shown in FIG. figure 5f , before the evacuation of the closed box 12C from the machine 10.
  • the arm 20, again free, is then moved in the opposite direction or towards its upper extraction position so as to bring a new body cutout 14 of the store 18 at the first post A.
  • the arm 20 comprises a telescopic body so as to allow its release from its lower position in a kinematic having a first longitudinal displacement in translation from the downstream to the upstream and then the upper part carrying the suction cups 22 not risking any more. interfering with the bottom 2 of the body 12A, a second vertical displacement in rotation towards its upper extraction position, the arm 20 being actuated to return to its original length before reaching this position.
  • the machine 10 comprises, laterally on either side of the packaging line 16, firstly means (not shown) for holding and / or positioning the various flaps 5 to 9 of the blank 14 who, willing longitudinally along the packaging line 16, intervene during the successive crating operations and, on the other hand, means (not shown) for gluing the flaps 5 to 9.
  • the sizing means are for example constituted by "guns" capable of accurately spraying heated glue on a given gluing area of each flap.
  • the flaps 6 are positioned substantially horizontally at the station A and then held in this position to the station B, while the flaps 5 and 7 are respectively at the transfer between A and B and / or the station B folded towards the inside the box 12A, 12B so as to be positioned laterally, that is to say orthogonally to the transverse faces 1, 3 and the bottom 2.
  • the machine 10 also comprises a loading device (not shown) for taking and transferring products 28, generally packaged in batch (es), as illustrated by an arrow F on the figure 5d filling station B.
  • the filling operation of the box formed 12A by the products 28 can be carried out either laterally by one open side faces of the box 12B, or vertically from top to bottom to deposit the products 28 on the bottom 2 horizontal box 12B, previously constituted at station A.
  • the gripping means are in particular a function of the packaging and the type of product to be transferred into the box, so these means can be of the type mechanical, for example a clamp, or pneumatic such as vacuum suction cups.
  • each pair of flaps 5 and 7 is then advantageously maintained in said lateral position in order to receive an application of glue and to allow the attachment by gluing of each of the flaps 5 and 7 with the corresponding flap 6 during the transfer of the filled box 12B to the third station C closing.
  • each flap 6 is folded and folded vertically upwards and then advantageously pressed against the flaps 5 and 7 for a fixed time sufficient to ensure a solid assembly.
  • the two other faces, that is to say the lateral faces, of the body 12 are thus partially constituted.
  • the cover 4 is then folded and folded downwards until it extends parallel to the horizontal bottom 2 by folding / folding means (not shown) equipping the closing station C.
  • the flaps 8 are folded and folded against the flaps 5 and 7, previously glued, to complete forming the side faces of the body 12 and the flap 9 folded and folded against the outer face, previously glued, of the transverse face 1 to complete the closure of the filled box 12B.
  • the flap 9 is glued by means of gluing means which are integral displacement of the gripping means of the loading / filling device performing for example, after the removal of the products 28, a first transverse displacement to come to position at top of the box 12B and a second vertical movement to deposit the products 28.
  • the closing station C advantageously comprises pressing means and / or squareness (not shown) to verify the formatting of the body parallelepiped and exert on the different glued parts, such as the flaps, a pressure force so as to ensure good fixation.
  • FIGS. Figures 6 to 8 An exemplary embodiment of the conveying device 30 according to the invention will be described below, shown in detail in FIGS. Figures 6 to 8 .
  • the conveying device 30 comprises a carriage 32 which is mounted movable longitudinally in both directions and alternately between an extreme upstream position and an extreme downstream position, and which carries means 34 for transfer of body ( s) here comprising a first clamp 36 for transferring a formed box 12A from the first station A to the second station B and a second clamp 38 for simultaneously transferring another filled box 12B from the second station B to the third station C.
  • each of the first and second clamps 36, 38 comprises at least one upstream locking means 40 and a downstream blocking means 42 of the box 12.
  • the contoured body cutout 14 constitutes the formed box 12A represented at station A on the figures 1 and 6 .
  • the case cutout 14 is fed by the transfer arm 20 to be shaped by the joint action of the guide means 24, 26 and the 20, the position of the body 12A as illustrated in FIG. figure 5c being obtained when the transfer arm 20 reaches its low position of shaping with the horizontal bottom 2.
  • the formed box 12A is then held in this position by the locking means 40, 42 of the clamps 36, 38 which are in the active position.
  • the locking means 40, 42 of each clamp 36, 38 cooperate with a portion of the upstream transverse faces 1, downstream 3 which are adjacent to the horizontal bottom 2 of the box 12 so that between two positions successive, the bottom 2 of each body slides along a guide path 44 horizontal.
  • the downstream guide means of the cutout 14 constituted by the rods 26 are mounted vertically movable between a low retaining position in which the rods hold the lid 4 of the body 12 in position at the station A and a high position of release towards which the rods 26 are displaced upwards so as not to hinder the transfer of the box 12A from the station A to the station B by the first clamp 36 of the conveying device 30.
  • the guide path 44 extends longitudinally along the packaging line 16 of the machine, that is to say from upstream to downstream and adjacent to the posts A, B and C which are arranged laterally, here from left side, relative to the guide path 44 and therefore to the packaging line 16.
  • the guide path 44 is constituted by the upper horizontal face 46 of support of two longitudinal rails 48 which, parallel, delimit longitudinally and transversely the packaging line 16.
  • the locking means 40, 42 of the first and second clamps 36, 38 of the carriage 32 are arranged transversely between the two rails 48 and are thus moved longitudinally along the packaging line 16 by the carriage 32, alternately between an extreme upstream position and a downstream extreme position along a forward path and a return path.
  • the locking means 40, 42 of each clamp 36, 38 are pivotally mounted about transverse axes orthogonal to the longitudinal rails 48, respectively between the active position in which the upstream and downstream locking means 42 extend vertically above the upper horizontal faces 46 supporting the rails 48 to cooperate with each box 12A and 12B and the inactive position in which the upstream blocking means 40 and downstream 42 are retracted below the upper horizontal faces 46 support of the rails 48 during the return path of the carriage 32 so as not to interfere with the funds 2 of the boxes 12A and 12B.
  • each locking means 40, 42 comprises a pair of arms 50, respectively a left arm 50a and a right arm 50b, so that each clamp 36, 38 consists of four arms 50.
  • At least one 50b of the arms 50 of each locking means 40, 42 is mounted transversely movable on support tubes 52, 53 constituting the transverse axis of pivoting of the arms so as to allow adjustment of the spacing transverse between each arm 50a, 50b depending on the dimensions of the body 12, in particular the depth P of the bottom 2.
  • the arms 50a, 50b of the upstream blocking means 40 of each of the clamps 36, 38 are mounted on lower transverse tubes 52 and the arms 50a, 50b of the downstream blocking means 42 of each of the clamps 36, 38 on upper cross tubes 53, the axis tubes 52, 53 being vertically offset and globally superimposed.
  • the arms 50a, 50b of each locking means 40, 42 of each clamp 36, 38 can be moved to adjust their transverse spacing, in particular according to the depth P.
  • the arms 50a, 50b are immobilized in the operating position by clamping means 54, which preferably makes it possible to manually tighten the arms 50 in a simple and rapid manner.
  • the clamping means 54 of the arms 50 on the shaft tubes 52, 53 are here notch systems or self-locking screws, for example by a quarter turn, having a handle 56 and allowing adjustments to be made without resorting to any specific tools.
  • clamping means 54 are for example maneuvers manually through the handle 56 on which is exerted on the one hand, to unlock the system, a tensile force against a system of return spring in the locked position and, secondly, to adjust, one or more rotational movements.
  • the carriage 32 comprises a first vertical wing 58 and a second vertical wing 60 which respectively support the upstream blocking means 40 and the downstream blocking means 42 of the clips 36, 38.
  • the lower shaft tubes 52 carrying the pairs of arms 50a, 50b, upstream locking means 40 are integral at one of their ends of the first flange 58 and the upper tubes of axis 53 carrying the pairs of arms 50a, 50b, downstream blocking means 42 are integral at one of their ends with the second wing 60.
  • the first and second wings 58, 60 of the carriage 32 are movably mounted relative to one another in the longitudinal direction so as to allow adjustment of the longitudinal distance between the upstream locking means 40 and downstream 42 in the dimensions of the cardboard box, in particular the length L of the bottom 2.
  • the first wing 58 comprises, on its left side face, two wheels or lower pads 62 upstream and downstream forming a slide and an upper pad 63, which respectively slide on a lower longitudinal rail 64 and an upper rail 65 which are integral with the face right side of the second wing 60.
  • the second wing 60 has on its left side face a pair of upstream pads 66 and a pair of downstream pads 68, each pair of pads 66, 68 respectively comprising an upper pad and a lower pad, generally aligned vertically.
  • the pairs of pads 66, 68 are mounted on a lower longitudinal rail 70 and an upper longitudinal rail 72, which are here integral with a frame 74 of the machine 10 so as to allow the carriage 32 to slide between its upstream and downward end positions. downstream.
  • the conveying device 30 also comprises means 76 for evacuating the closed box 12C from the closing station C of the machine 10.
  • the evacuation means 76 are constituted by a third pair of upstream evacuation arms, respectively a left arm 76a and a right arm 76b similar to the arms 50a, 50b of the upstream locking means 40 of the clamps 36, 38.
  • the first wing 58 comprises, in addition to the arms of the upstream blocking means 40 of each of the clamps 36, 38, the evacuation arms 76a, 76b, which are arranged at its downstream end so as to come opposite the station C closing when the carriage 32 is in the extreme upstream position.
  • the evacuation arms 76 are movably mounted synchronously with the upstream locking means 40.
  • the evacuation arms 76a, 76b are movably mounted between an active position in which they cooperate with the upstream transverse face 1 of the box 12C and an inactive position in which the arms 76 are retracted, such as the arms 50 of the clamps 36, 38, to allow the repositioning of the carriage 32 in a return path.
  • the evacuation arms 76 therefore have the function, during the forward travel of the carriage 32, of pushing the closed box 12C downstream to slide it on the upper horizontal face 46 of the rails 48 forming the guide path. 44, from the closing station C to outside the machine 10, where the box 12C is for example conveyed, automatically or not, by means of transport (not shown) to a shipping area.
  • the evacuation arms 76 thus also constitute transfer means 34 within the meaning of the present invention.
  • the evacuation arms 76 are pivotally mounted around an orthogonal transverse axis 52 to the longitudinal rails 48, respectively between the active position in which the arms 76 extend vertically above the upper horizontal faces 46 rails 48 for cooperating with the body 12C and the inactive position in which the arms 76 are retracted below the upper horizontal face 46 of the rails 48 during the return path of the carriage 32.
  • At least one 76b of the evacuation arms 76 is mounted transversely movable so as to allow adjustment of the transverse spacing of the arms 76 depending on the dimensions of the cardboard box, in particular the width P of the box 12, here its bottom 2.
  • the first clamp 36 is arranged longitudinally at the station A shaping while the second clamp 38 is vis-à-vis the filling station B and arms 76 d evacuation of the box of the closing station C.
  • the clamp 36 is then in the active position in which the arms 50a, 50b of its upstream locking means 40 and downstream 42 cooperate with the formed box 12A at the station A, and in the same way, those of the clamp 38 with the filled box 12B at station B and finally the evacuation arms 76a, 76b with the closed box 12C at station C.
  • the carriage 32 is moved longitudinally between its upstream end position and its downstream end position and vice versa, by means of a driving device 78 that the machine 10 comprises.
  • the driving device 78 comprises, for example, belt transmission means 80 which are driven by a servomotor 82.
  • the carriage 32 then makes a first longitudinal race from its extreme upstream position to its downstream extreme position which corresponds to the outward path in which the first gripper 36 transfers the formed crate 12A from the station A to the station B, the second clamp 38 transfers the filled box 12B from the station B to the station C and the evacuation arms 76a, 76b push the closed box 12C downstream out of the machine 10.
  • the machine 10 comprises, at certain stations, immobilization means 84, which will be described in more detail later.
  • the conveying device 30 comprises actuating means 86 for controlling, between the active and inactive positions, the displacement of the transfer means 34 constituted by the clamps 36, 38 and the evacuation arms 76.
  • the actuating means 86 comprise first means 88 for actuating the upstream locking means 40 and the evacuation arms 76a, 76b which are carried by the first flange 58.
  • the first means 88 comprise at least one jack 90 which acts on a first main control lever 92, integral with one of the lower tubes 52, which causes the rotation of the shaft tube assembly 52 - arm 50a, 50b (c that is to say upstream blocking means 40) between the active and inactive positions, here those of the second clamp 38.
  • the first main control lever 92 is displaceably connected to levers 94 and 96, respectively controlling the upstream locking means 40 of the first gripper 36 and the evacuation arms 76 by means of link rods 98.
  • actuating means 86 also comprise second means 100 for actuating the downstream blocking means 42 which are carried by the second flange 60.
  • the second means 100 comprise at least one jack 102 which acts on a second main control lever 104 via a connecting rod 106, integral with one of the upper shaft tubes 53 carrying the arms 50a, 50b of the downstream blocking 42 of the first clamp 36, which causes their rotation between the active and inactive positions.
  • the second main control lever 104 is integral in displacement of the lever 108 respectively controlling the upstream blocking means 40 of the second clamp 38 by means of a link rod 112.
  • the link rods 98 and 112 constitute means for synchronizing the reciprocating reciprocating movement of the locking means 40, 42 of the clamps 36, 38 and the evacuation arms 76 between the active and inactive positions.
  • the carriage 32 being in extreme downstream position, it then controls the actuating means 86 to rotate the arms of the clamps 36, 38 and the arms 76 to evacuate inactive position.
  • the station A is then empty since the formed box 12A has been transferred to the station B by the clamp 36, the station A shaping does not include here means of immobilization 84 body.
  • the new cutout 14 of cash brought by the transfer arm 20 is immobilized longitudinally upstream by the arches 24 and downstream by the rods 26 until the arms of the first clamp 36 come again, the carriage 32 being in extreme upstream position, return to the active position.
  • this formed box 12A intended to be filled must instead be held in position, in particular longitudinally and at least as long as the locking means 40, 42 of the second clamp 38 are in the inactive position.
  • the filling station B comprises, upstream and downstream, immobilization means 84 temporarily replacing the locking means 40, 42.
  • the closing station C also comprises similar immobilization means 84 which are arranged only downstream, and which constitute temporary stop means ensuring correct longitudinal positioning of the filled box 12B on which upstream means, known as squaring crate (not shown), which are for example arranged vertically above the station C.
  • immobilization means 84 which are arranged only downstream, and which constitute temporary stop means ensuring correct longitudinal positioning of the filled box 12B on which upstream means, known as squaring crate (not shown), which are for example arranged vertically above the station C.
  • the carriage 32 makes its return path to reposition itself in extreme upstream position and then the arms of the clamps 36, 38 and the arms 76 are actuated to pivot in the active position so as to return to the initial configuration illustrated in the figure 1 and 6 .
  • a complete crating cycle thus corresponds to a forward path and then to a return path of the carriage 32 comprising the transfer means 34.
  • the immobilizing means 84 are here constituted by upstream fingers 114 and / or downstream 116 which are preferably arranged and mounted movably in each of the longitudinal rails 48.
  • each upstream and downstream finger 114 is mounted, at its lower end, pivoting about a transverse axis and is moved between its working and rest positions by actuating means 118 comprising here a jack 120 whose rod acts on a lever 122 causing pivoting of the finger 114, 116.
  • downstream finger 116 of the stations B and C and its actuating means 118 are mounted integral with a support plate 124 to form a unitary subassembly which is mounted movably longitudinally, here by sliding in the rail 48, so as to allow adjustment of the longitudinal distance between the pairs of upstream fingers 114 or squaring means of the body 12C and the downstream pairs of fingers 116 according to the different body formats 12, in particular the length L.
  • the machine 10 comprises other means of immobilization, in particular pneumatic means, such as suction suction cups associated with a suction device allowing for example to maintain or immobilize a body part, such as the bottom or one of the flaps.
  • pneumatic means such as suction suction cups associated with a suction device allowing for example to maintain or immobilize a body part, such as the bottom or one of the flaps.
  • the machine 10 comprises, here at the filling station B, a vacuum suction cup 126 which is arranged in the thickness of the straight rail 48 and flush with respect to the upper horizontal surface 46 for supporting the guide path 44 to apply on the external surface of one of the flaps 6 of the body 12 a vertical suction force, oriented downwards, to maintain it in a substantially horizontal position.
  • the machine 10 comprises adjustment means 128 for modifying the transverse spacing between each longitudinal rail 48 forming the guide path 44 on which the funds 2 of the boxes slide so as to allow, as for the transfer means 34 of the conveyor device 30, a simple and fast modification according to the different box formats 12.
  • the adjustment means 128 here comprises a steering wheel or a control crank 130 which drives in rotation a transmission chain 132 actuating a transverse shaft 134 acting by means of connection of the "screw-nut" type on the position of the rails 48.
  • the transverse spacing of the means carried by the rails 48 is also simultaneously adjusted.
  • the carriage 32 is arranged in the machine 10 transversely outside the packaging line 16, here offset laterally on the left side, so as to clear a space 136 located vertically below the packaging line 16 so as to facilitate access, especially from the right, to this zone of the machine 10.
  • the conveyor device 30 according to the invention thus arranged in the machine 10 is less sensitive to soiling than the chain-link conveyors according to the state of the art.
  • the dust and / or fine particles of cardboard from the body cutouts are a source of permanent fouling of the conveying device likely to cause interruptions in operation and demanding, at the very least, regular maintenance and cleaning operations.
  • the chain conveying devices are also directly exposed to being soiled or soiled by the very content of a product being packaged, which is particularly likely to spread on the chains, especially between the links.
  • drive means (not shown) of the transfer arm 20 are arranged in the machine 10 upstream of the storage magazine 18 or the first station A, so as to also protect these drive means from said dirt coming from them. dust and / or fine particles of cardboard and leave empty the space 136 under the packaging line 16.
  • the conveying device according to the invention is implemented in a box-type machine using American boxes.

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

Abstract

The present invention relates to a machine (10) for packaging a product or products (28) in a cardboard box (12), which comprises boxing means arranged along a longitudinal packaging line (16) comprising a first station (A) for making-up a box blank (14) and which comprises a conveying device (30) for transfer, in an outbound path, the box (12A) made up at the station (A) to a second, filling, station (B) for boxing the products (28) then on to a third station (C) where the box (12C) is sealed before it is discharged from the machine (10), characterized in that the conveyor device (30) comprises a carriage (32) which is mounted to be able to move longitudinally between an extreme upstream position and an extreme downstream position, and which bears box transfer means (34) comprising at least a first gripper (36) for transferring a made-up box (12A) from the first station (A) to the second station (B) and a second gripper (38) for simultaneously transferring another, filled, box (12B) from the second station (B) to the third station (C).

Description

L'invention concerne une machine pour l'emballage automatisé de produit(s) dans une caisse en carton.The invention relates to a machine for automated packaging of product (s) in a cardboard box.

La présente invention concerne plus particulièrement une machine pour l'emballage de produit(s) dans une caisse en carton selon un cycle de mise en caisse comportant au moins trois opérations successives pour former, remplir et fermer la caisse, la machine comportant des moyens de mise en caisse qui sont agencés le long d'une ligne longitudinale d'emballage de la machine comportant, d'amont en aval, un premier poste de mise en forme qui reçoit successivement, à une cadence de cycle déterminée, une découpe de caisse destinée à être au moins partiellement mise en forme, et comportant un dispositif de convoyage pour transférer, successivement d'amont en aval selon un trajet aller, la caisse ainsi formée vers un deuxième poste de remplissage auquel les produits sont mis en caisse par l'intermédiaire de moyens de chargement associés aptes à déposer les produits à emballer dans la caisse, puis vers un troisième poste de fermeture de la caisse avant son évacuation hors de la machine.The present invention relates more particularly to a machine for packaging product (s) in a cardboard box according to a crating cycle comprising at least three successive operations to form, fill and close the box, the machine comprising means of crating which are arranged along a longitudinal packaging line of the machine comprising, from upstream to downstream, a first shaping station which successively receives, at a determined cycle rate, a crate cutout intended to to be at least partially shaped, and comprising a conveying device for transferring, successively from upstream to downstream in a forward path, the body thus formed to a second filling station to which the products are crated through associated loading means able to deposit the products to be packaged in the box, then to a third closing station of the box before its evacuation out of e the machine.

On connaît de nombreuses machines d'emballage de ce type pour procéder à la mise en caisse, ou l'encaissement, de produits, en particulier de produits préemballés, tels que des boîtes, des flacons, des sachets etc., c'est-à-dire d'une manière générale de tout type de marchandises emballées notamment pour les protéger et en faciliter le transport, par exemple l'expédition depuis un lieu de production jusqu'à un lieu de vente.Many packaging machines of this type are known for crating, or cashing, products, particularly prepackaged products, such as boxes, bottles, sachets, etc. that is to say, in general, of all types of packaged goods, in particular to protect them and facilitate their transport, for example shipping from a place of production to a point of sale.

Les différents types de machines d'emballage sont conventionnellement élaborés en fonction du type de caisses en carton utilisées pour encaisser ou suremballer les produits.The different types of packaging machines are conventionally developed according to the type of cardboard boxes used to cash or overwrap products.

Le terme « suremballer » définit l'opération de renforcer ou de protéger un regroupement ou lot(s) de produits préemballés.The term "overpack" defines the operation of strengthening or protecting a grouping or lot (s) of prepackaged products.

On distingue ainsi principalement les machines de type "encaisseuse" utilisant des caisses à rabats, dites caisses "américaines", des machines de type "sur-emballeuse" utilisant des caisses du type "wrap-around".There are thus mainly "boxer" type machines using flap boxes, called "American" boxes, "over-pack" type machines using "wrap-around" boxes.

Quel que soit le type de machine d'emballage, le cycle de mise en caisse comporte généralement au moins les trois opérations, c'est à dire la mise en forme, le remplissage et la fermeture. Ces opérations sont réalisées successivement le long de la ligne d'emballage grâce à un dispositif de convoyage des caisses entre les différents postes.Regardless of the type of packaging machine, the crating cycle usually includes at least the three operations, ie shaping, filling and closing. These operations are carried out successively along the packaging line by means of a device for conveying the boxes between the different stations.

On connaît par exemple un dispositif de convoyage comportant deux chaînes montées parallèlement et dont chacune comporte des taquets qui sont agencés de manière à bloquer le fond de la caisse au voisinage de ses quatre coins pour assurer le transfert des caisses à chacun des postes de la ligne d'emballage de la machine.For example, there is known a conveyor device comprising two chains mounted in parallel and each having cleats which are arranged to block the bottom of the box in the vicinity of its four corners to ensure the transfer of the boxes to each of the line positions. packing machine.

Une partie latérale du fond de chaque caisse est donc en contact sur un tronçon longitudinal de chaque chaîne compris entre deux taquets successifs. Les taquets sont montés solidaires de chaque chaîne et s'étendent verticalement au dessus des chaînes pour bloquer la caisse longitudinalement, dans le sens du déplacement de façon à réaliser l'encaissement.A side portion of the bottom of each box is in contact on a longitudinal section of each chain between two successive stops. The cleats are mounted integral with each chain and extend vertically above the chains to block the box longitudinally, in the direction of travel so as to achieve encashment.

Les chaînes sans fin sont entraînées en rotation par des moyens d'entraînement, tel qu'un moteur, qui sont liés aux deux axes transversaux, munis de roues dentées, agencés à chacune des extrémités amont et aval de la ligne d'emballage.The endless chains are rotated by drive means, such as a motor, which are connected to the two transverse axes, provided with toothed wheels, arranged at each of the upstream and downstream ends of the packaging line.

Cependant, de tels dispositifs de convoyage à chaînes ne donnent pas entière satisfaction.However, such chain conveyor devices are not entirely satisfactory.

En effet, à des cadences de fonctionnement importantes, les dispositifs de convoyage à chaînes ne permettent généralement pas de réaliser un positionnement précis des découpes ou cartons entre les taquets, ce qui peut provoquer des incidents de fonctionnement, en particulier lors du remplissage, dus à un mauvais blocage ou positionnement de la caisse.Indeed, at high operating rates, chain conveyor devices generally do not allow to achieve accurate positioning of the cutouts or cartons between the cleats, which can cause operating incidents, especially during filling, due to bad blocking or positioning of the body.

De plus, on a remarqué que les maillons articulés constituant chaque chaîne étaient sensibles aux différentes salissures auxquelles le dispositif de convoyage est exposé.In addition, it has been noted that the articulated links constituting each chain were sensitive to the different soils to which the conveying device is exposed.

Par conséquent, de tels dispositifs de convoyage à chaînes ne sont pas satisfaisants pour certaine application comme dans le domaine des produits cosmétiques, d'autant que l'on cherche tout particulièrement dans de telles machines d'emballage à améliorer la fiabilité, la productivité notamment par augmentation des cadences, ainsi que la flexibilité de fonctionnement qui doit avantageusement permettre la prise en charge rapide de différents formats de caisse en carton.Therefore, such chain conveyor devices are unsatisfactory for certain applications such as in the field of cosmetics, especially as it is particularly sought in such packaging machines to improve reliability, especially productivity. by increasing the rates, as well as the flexibility of operation which must advantageously allow the fast handling of different sizes of cardboard boxes.

L'invention a donc pour but de remédier aux inconvénients de l'état de la technique et de proposer notamment une machine plus fiable et pouvant fonctionner à une cadence accrue.The invention therefore aims to overcome the disadvantages of the state of the art and to provide a more reliable machine capable of operating at an increased rate.

Dans ce but, l'invention propose une machine pour l'emballage du type décrite précédemment, caractérisée en que le dispositif de convoyage comporte un chariot qui est monté mobile longitudinalement entre une position extrême amont et une position extrême aval et qui porte des moyens de transferts de caisse(s) comportant au moins une première pince pour transférer une caisse formée depuis le premier poste jusqu'au second poste et une deuxième pince pour transférer simultanément une autre caisse remplie depuis le deuxième poste jusqu'au troisième poste.For this purpose, the invention proposes a machine for packaging of the type described above, characterized in that the conveying device comprises a carriage which is mounted movably longitudinally between an extreme upstream position and an extreme downstream position and which carries means of cash transfers (s) comprising at least a first gripper for transferring a cash box formed from the first item to the second item and a second gripper for simultaneously transferring another cashier filled from the second item to the third item.

Selon d'autres caractéristiques de l'invention :

  • chacune des pinces comporte un moyen de blocage amont et un moyen de blocage aval, qui sont montés mobiles entre :
    • une position active dans laquelle les moyens de blocage coopèrent avec une partie de la caisse correspondante pour transférer simultanément chaque caisse depuis un poste donné jusqu'au poste suivant, et
    • une position inactive dans laquelle, après le transfert desdites caisses, les moyens de blocage sont escamotés de manière à permettre le repositionnement du chariot en position initiale amont selon un trajet de retour ;
  • le dispositif de convoyage comporte des moyens d'évacuation de la caisse fermée hors du poste C de fermeture de la machine qui sont montés mobiles entre une position active et une position inactive de manière synchrone avec les moyens de blocage amont ;
  • en position active, les moyens de blocage de chaque pince ou d'évacuation coopèrent avec au moins l'une partie des faces transversales qui sont adjacentes au fond horizontal de la caisse de manière que, entre deux postes successifs, le fond de chaque caisse glisse le long d'un chemin de guidage ;
  • le chemin de guidage est constitué par la face horizontale supérieure d'appui de deux rails longitudinaux de la ligne d'emballage et entre lesquels sont agencés les moyens de blocage des première et seconde pinces et/ou les moyens d'évacuation ;
  • les moyens de blocage de chaque pince et/ou les moyens d'évacuation sont montés pivotants autour d'un axe transversal orthogonal aux rails longitudinaux, respectivement entre la position active dans laquelle les moyens de blocage amont et aval et/ou les moyens d'évacuation s'étendent verticalement au dessus des faces horizontales supérieures des rails pour coopérer avec la caisse et la position inactive dans laquelle les moyens de blocage amont et aval et/ou les moyens d'évacuation sont escamotés en dessous de la face horizontale supérieure des rails lors du trajet de retour du chariot ;
  • la machine comporte des moyens d'immobilisation susceptibles de maintenir temporairement, à un poste donné, chaque caisse en position longitudinale lorsque les moyens de blocage et/ou les moyens d'évacuation sont escamotés en position inactive ;
  • les moyens d'immobilisation temporaire sont constitués par des doigts qui, agencés dans chacun des rails longitudinaux, sont montés mobiles entre une position de travail dans laquelle les doigts font saillies au dessus du plan de la face horizontale supérieure des rails pour immobiliser la caisse et une position de repos dans laquelle les doigts sont escamotés en dessous de la face horizontale supérieure, de manière à ne pas interférer avec la caisse lors de son transfert vers le poste suivant ;
  • le chariot comporte une première aile verticale de support des moyens de blocage amont et/ou les moyens d'évacuation, et une deuxième aile verticale de support des moyens de blocage aval et en ce que les première et deuxième ailes sont montés mobiles l'une par rapport à l'autre suivant la direction longitudinale de manière à permettre un réglage de la distance longitudinale entre les moyens de blocage amont et aval et/ou entre les moyens d'évacuation et les moyens d'immobilisation en fonction des dimensions de la caisse en carton, en particulier de la longueur du fond ;
  • chaque moyen de blocage d'une pince et/ou les moyens d'évacuation est constitué d'une paire de bras dont au moins l'un est monté mobile transversalement de manière à permettre un réglage de l'écartement transversal entre chacun des bras en fonction des dimensions de la caisse en carton, en particulier de la largeur P du fond.
  • le chariot est agencé transversalement à l'extérieur de la ligne d'emballage de manière à dégager l'espace situé verticalement sous la ligne d'emballage pour faciliter l'accès à cette partie de la machine, notamment pour procéder aux réglages des moyens de transfert ou à des opérations d'entretien, de nettoyage.
According to other features of the invention:
  • each of the clamps comprises an upstream blocking means and a downstream blocking means, which are mounted movably between:
    • an active position in which the blocking means cooperate with a part of the corresponding box to simultaneously transfer each box from a given station to the next station, and
    • an inactive position in which, after the transfer of said boxes, the blocking means are retracted from in order to allow the repositioning of the carriage in initial upstream position according to a return path;
  • the conveying device comprises means for evacuating the closed box from the machine closing station C which are movably mounted between an active position and an inactive position synchronously with the upstream blocking means;
  • in the active position, the locking means of each clamp or discharge cooperating with at least a portion of the transverse faces which are adjacent to the horizontal bottom of the box so that, between two successive positions, the bottom of each box slides along a guide path;
  • the guide path is constituted by the upper horizontal support surface of two longitudinal rails of the packaging line and between which are arranged the locking means of the first and second clamps and / or the evacuation means;
  • the locking means of each clamp and / or the evacuation means are pivotally mounted about a transverse axis orthogonal to the longitudinal rails, respectively between the active position in which the upstream and downstream blocking means and / or the means of evacuation extend vertically above the upper horizontal faces of the rails to cooperate with the body and the inactive position in which the upstream and downstream blocking means and / or the evacuation means are retracted below the upper horizontal face of the rails during the return journey of the carriage;
  • the machine comprises immobilization means capable of temporarily maintaining, at a given position, each box in the longitudinal position when the locking means and / or the evacuation means are retracted into the inactive position;
  • the temporary immobilization means are constituted by fingers which, arranged in each of the longitudinal rails, are movably mounted between a working position in which the fingers protrude above the plane of the upper horizontal face of the rails to immobilize the body and a rest position in which the fingers are retracted below the upper horizontal face, so as to not to interfere with the cashier on his transfer to the next position;
  • the carriage comprises a first vertical support wing of the upstream blocking means and / or the evacuation means, and a second vertical support wing of the downstream blocking means and in that the first and second wings are mounted movably one relative to one another in the longitudinal direction so as to allow adjustment of the longitudinal distance between the upstream and downstream blocking means and / or between the discharge means and the immobilizing means according to the dimensions of the body cardboard, in particular the length of the bottom;
  • each means for locking a clamp and / or the evacuation means is constituted by a pair of arms, at least one of which is mounted transversely movable so as to allow adjustment of the transverse spacing between each of the arms. depending on the dimensions of the cardboard box, in particular the width P of the bottom.
  • the carriage is arranged transversely outside the packaging line so as to clear the space located vertically under the packaging line to facilitate access to this part of the machine, in particular to make adjustments to the means of transfer or to maintenance operations, cleaning.

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui suit pour la compréhension de laquelle on se reportera aux figures annexées parmi lesquelles :

  • la figure 1 est une vue latérale du côté droit d'une machine d'emballage de produits dans une caisse comportant un dispositif de convoyage à chariot selon l'invention ;
  • les figures 2 et 3 sont respectivement une vue de dessus et une vue en bout depuis l'extrémité amont de la machine selon la figure 1 ;
  • la figure 4 est une vue de dessus d'un exemple de découpe de caisse à plat destiné, après mise en forme, à former une caisse de type "wrap-around" ;
  • les figures 5a à 5f sont des vues schématiques en perspective qui illustrent les principales étapes d'un cycle de mise en caisse comportant des opérations de mise en forme de la découpe, de remplissage et de fermeture de la caisse ;
  • les figures 6 à 8 sont respectivement des vues latérale, de dessus et en bout de détail du chariot du dispositif de convoyage comportant les pinces de transfert simultané de caisses et les bras d'évacuation.
Other characteristics and advantages of the invention will appear on reading the detailed description which follows for the understanding of which reference will be made to the appended figures among which:
  • the figure 1 is a side view of the right side of a product packaging machine in a box having a carriage conveyor device according to the invention;
  • the figures 2 and 3 are respectively a top view and an end view from the upstream end of the machine according to the figure 1 ;
  • the figure 4 is a top view of an example of a flat body cutout intended, after shaping, to form a box of the type "wrap-around";
  • the Figures 5a to 5f are schematic perspective views that illustrate the main steps of a crating cycle including operations of shaping the cutting, filling and closing of the body;
  • the Figures 6 to 8 are respectively side, top and end views of the carriage of the conveying device comprising the simultaneous transfer clamps of boxes and the evacuation arms.

Dans la description et les revendications, on utilisera à titre non limitatif des termes, tels que "amont" et "aval", "supérieur" et "inférieur", "externe" et "interne" et les orientations "longitudinale", "verticale" et "transversale" en référence au trièdre (L, V, T) indiqué aux figures et aux définitions données dans la description.In the description and the claims, terms such as "upstream" and "downstream", "upper" and "lower", "external" and "internal" and the "longitudinal", "vertical" orientations will be used without implied limitation. "and" transverse "with reference to the trihedron (L, V, T) indicated in the figures and in the definitions given in the description.

De plus, les éléments identiques, similaires ou analogues de l'invention seront désignés par les mêmes chiffres de référence.In addition, identical, similar or analogous elements of the invention will be designated by the same reference numerals.

On a représenté, aux figures 1 à 3, une machine 10 pour l'emballage automatisé de produit(s) dans une caisse 12 en carton illustrant un exemple de réalisation de l'invention.Representatives, Figures 1 to 3 , a machine 10 for the automated packaging of product (s) in a cardboard box 12 illustrating an exemplary embodiment of the invention.

La machine 10 est ici une machine du type "sur-emballeuse", c'est-à-dire une machine dans laquelle les caisses contenant les produits emballés, telles qu'illustrées aux figures 4 et 5, sont obtenues par mises en formes successives d'une découpe 14 de caisse du type "wrap" ou "wrap-around" qui, traduit littéralement, signifie "emballer autour" du produit.The machine 10 is here a machine of the "over-pack" type, that is to say a machine in which the boxes containing the packaged products, as illustrated in FIGS. Figures 4 and 5 , are obtained by successive shaping of a cutout 14 of the type of "wrap" or "wrap-around" which literally means "wrapping around" the product.

De préférence, l'emballage des produits par la machine 10 est réalisé suivant un cycle de mise en caisse ou d'encaissement comportant principalement au moins les trois opérations successives de mise en forme, de remplissage et de fermeture de la caisse 12.Preferably, the packaging of the products by the machine 10 is carried out according to a crating or cashing cycle mainly comprising at least the three successive operations of shaping, filling and closing the box 12.

Ces opérations de mise en caisse sont effectuées à des postes de travail distincts désignés par convention par les lettres A, B et C, aussi afin de distinguer les caisses, chaque caisse 12 sera ci-après identifiée par la lettre correspondante au poste auquel elle se trouve, soit respectivement 12A pour la caisse formée, 12B pour la caisse remplie et 12C pour la caisse fermée.These crating operations are carried out at separate workstations designated by agreement by the letters A, B and C, also in order to distinguish the crates, each crate 12 will be identified below by the corresponding letter to the position to which it belongs. found, respectively 12A for the box formed, 12B for the filled box and 12C for the closed box.

Ainsi, la machine 10 comporte des moyens conventionnels d'encaissement qui sont agencés le long d'une ligne d'emballage 16 longitudinale de la machine, c'est-à-dire agencés d'amont en aval selon le sens de déplacement des caisses 12 au cours du cycle, et qui sont disposés ici selon trois postes de travail A, B et C successifs, comme illustré sur les figures 1 à 3.Thus, the machine 10 comprises conventional means of collection which are arranged along a longitudinal packaging line 16 of the machine, that is to say arranged upstream downstream according to the direction of movement of the boxes 12 during the cycle, which are arranged here according to three successive work stations A, B and C, as Figures 1 to 3 .

De manière connue, la machine 10 comporte, en amont du premier poste de la ligne d'emballage 16, des moyens non représentés sur les figures 1 à 3, tels que des moyens de stockage de découpes 14 de caisse auxquels sont associés des moyens pour amener, à une cadence de cycle déterminée, chaque découpe 14 de caisse jusqu'au premier poste A auquel la découpe 14 est reçue pour être mise en forme au moins partiellement.In known manner, the machine 10 comprises, upstream of the first station of the packaging line 16, means not shown on the Figures 1 to 3 , such as means for storing box cutouts 14 which are associated with means for bringing, at a determined cycle rate, each blank 14 to the first station A to which the blank 14 is received to be shaped at less partially.

Pour faciliter la compréhension, on a représenté sur la figure 4 un exemple d'une découpe 14 de caisse "wrap" et aux figures 5a à 5f les différentes étapes de transformation opérées successivement sur la ligne d'emballage 16 de la machine 10 selon le cycle, c'est à dire depuis la mise en forme de la découpe 14 de caisse jusqu'à la fermeture finale de la caisse 12 wrap comportant les produits.To facilitate understanding, we have shown on the figure 4 an example of a cutout 14 of cash "wrap" and to Figures 5a to 5f the different transformation steps successively carried out on the packaging line 16 of the machine 10 according to the cycle, that is to say since the shaping of the cutout 14 until the final closure of the box 12 wrap comprising products.

Avant sa mise en forme, la découpe 14 de la caisse 12 wrap est plane et usuellement réalisée en carton ondulé. Les découpes 14 de caisse sont donc avantageusement susceptibles d'être empilées à plat, ce qui en facilite le transport, la manipulation ou encore le stockage.Before it is shaped, the cutout 14 of the box 12 wrap is flat and usually made of corrugated cardboard. The cutouts 14 of cash are therefore advantageously capable of being stacked flat, which facilitates the transport, handling or storage.

Bien entendu, les dimensions de la découpe 14 de la caisse 12 sont déterminées en fonction des dimensions des produits à emballer.Of course, the dimensions of the cutout 14 of the box 12 are determined according to the dimensions of the products to be packaged.

La caisse 12 est un parallélépipède rectangle dont, par convention, la hauteur (H), la longueur (L) et la profondeur (P) correspondent ici respectivement aux cotes verticale, longitudinale et transversale selon le trièdre L, V, T des figures 4 et 5.The body 12 is a rectangular parallelepiped whose height (H), length (L) and depth (P) correspond, by convention, to the vertical, longitudinal and transverse dimensions according to the L, V, T trihedron respectively. Figures 4 and 5 .

La découpe 14 de caisse de la figure 4 comporte principalement quatre faces, ici de formes rectangulaires, qui sont référencées 1 à 4 et qui sont respectivement pourvues latéralement d'au moins deux rabats opposés par paire(s), référencés 5 à 8.The cutout 14 of the body of the figure 4 comprises mainly four faces, here of rectangular shapes, which are referenced 1 to 4 and which are respectively provided laterally with at least two opposite flaps in pairs (s), referenced 5 to 8.

Comme on peut mieux le voir sur figures 5a à 5f, les faces 1 à 4 vont respectivement former, après les différentes opérations de mise en forme, d'une part deux des quatre faces 1, 3 de la caisse et, d'autre part, le fond 2 et le couvercle 4 de la caisse 12.As we can see it better on Figures 5a to 5f the faces 1 to 4 will respectively form, after the different shaping operations, on the one hand two of the four faces 1, 3 of the body and, on the other hand, the bottom 2 and the lid 4 of the body 12.

Ainsi, les faces 1 et 3 verticales correspondent ici aux faces transversales de la caisse 12 tandis que les faces latérales sont chacune constituées par l'assemblage, notamment par collage, de quatre rabats latéraux référencés 5, 6, 7 et 8 que comportent respectivement les faces 1, 2, 3 et 4.Thus, the vertical faces 1 and 3 correspond here to the transverse faces of the box 12 while the lateral faces are each constituted by the assembly, in particular by gluing, of four lateral flaps referenced 5, 6, 7 and 8 which respectively comprise the faces 1, 2, 3 and 4.

Le rabat 9 transversal est ici solidaire du bord transversal libre du couvercle 4 et il est destiné à être rabattu contre la surface externe, en variante interne, de la face latérale 1 puis rendu solidaire de celle-ci lors de l'opération de fermeture de la caisse remplie 12B.The transverse flap 9 is here secured to the free transverse edge of the lid 4 and is intended to be folded against the outer surface, alternatively internal, of the lateral face 1 and then secured to it during the closing operation of the the filled box 12B.

Par convention, une face ou surface est dite "interne" lorsqu'elle est orientée vers l'intérieur du volume de la caisse 12 destiné à recevoir les produits et est dite "externe" dans le cas contraire.By convention, a face or surface is called "internal" when it is oriented towards the inside of the volume of the body 12 intended to receive the products and is called "external" in the opposite case.

En variante, le rabat 9 est solidaire du bord transversal libre de la face transversale 1 de la découpe 14 de caisse.In a variant, the flap 9 is integral with the free transverse edge of the transverse face 1 of the body cutout 14.

On va maintenant décrire les différentes opérations successives du cycle de mise en caisse réalisées par la machine 10 d'emballage et illustrées aux figures 5a à 5f.We will now describe the various successive operations of the crating cycle carried out by the packaging machine and illustrated in FIGS. Figures 5a to 5f .

De préférence, la machine 10 comporte un magasin 18 de stockage comportant un empilement de découpes 14 de caisse auquel est associé un bras 20 de transfert formant les moyens d'extraction destinés à amener une découpe 14 de caisse depuis le magasin 18 jusqu'au premier poste A de mise en forme.Preferably, the machine 10 comprises a storage magazine 18 comprising a stack of cutouts 14 of the body which is associated with a transfer arm 20 forming the extraction means for bringing a cutout 14 from the store 18 to the first position A formatting.

Avantageusement, le magasin 18 de stockage est alimenté automatiquement en découpes 14 de caisse par des moyens d'approvisionnement en découpes.Advantageously, the storage magazine 18 is fed automatically into cutouts 14 of the box by cutting supply means.

Le bras 20 de transfert, illustré à la figure 5a, est monté mobile à l'une, inférieure, de ses extrémités autour d'un axe transversal (non représenté), respectivement entre une position haute, dite d'extraction, dans laquelle il s'étend globalement verticalement et une position basse, dite de mise en forme, dans laquelle il s'étend globalement horizontalement.The transfer arm 20, shown in FIG. figure 5a , is mounted mobile at one, lower, its ends around a transverse axis (not shown) respectively between a high position, said extraction, in which it extends generally vertically and a low position, said formatting, in which it extends globally horizontally.

Le bras 20 de transfert comporte à l'autre, supérieure, de ses extrémités des moyens de préhension telles que des ventouses 22 de succion de la découpe 14 de caisse, qui sont ici du type pneumatiques, en variante mécaniques, tels qu'une matrice comportant une pluralité de ventouses 22 de succion associées à un dispositif d'aspiration (non représenté) susceptible d'être commandé sélectivement.The transfer arm 20 has at the other, upper end of its gripping means such as suction cups 22 for suction of the blank 14, which are pneumatic type here, alternatively mechanical, such as a matrix having a plurality of suction cups 22 associated with a suction device (not shown) that can be selectively controlled.

Comme l'illustrent les figures 5a à 5c, lorsque le bras 20 de transfert est initialement en position haute d'extraction, les ventouses 22 de succion coopèrent avec la découpe 14 de caisse dite proximale en exerçant, ici sur le fond 2, un effort d'aspiration orienté vers le bas.As illustrated by Figures 5a to 5c when the transfer arm 20 is initially in the upper extraction position, the suction cups 22 cooperate with the so-called proximal body cutout 14 by exerting, here on the bottom 2, a suction force directed downwards.

Le bras 20 provoque l'extraction hors du magasin 18 de découpe 14 de caisse proximale lorsque, entraîné en rotation, il pivote autour de son axe de rotation vers la position basse.The arm 20 causes the extraction out of the store 14 for cutting 14 proximal box when, driven in rotation, it pivots about its axis of rotation to the low position.

Le magasin 18 comporte des moyens de retenue des découpes 14 de caisse qui sont fixes ou mobiles et sont par exemple ici constitués par des barres 19 verticales de retenue positionnées au voisinage des rabats 5 à 8 de telle sorte que les rabats 5 à 8 s'effacent par rapport aux barres 19 de retenue en se pliant pour permettre l'extraction de la découpe 14 proximale hors du magasin 18.The magazine 18 comprises means for retaining the cutouts 14 of the box that are fixed or movable and are for example here constituted by vertical retaining bars 19 positioned in the vicinity of the flaps 5 to 8 so that the flaps 5 to 8 are closed. erase relative to the retaining bars 19 by folding to allow extraction of the proximal cutout 14 out of the store 18.

La figure 5b illustre plus particulièrement le bras 20 dans une position intermédiaire au cours du mouvement de descente de la position haute vers la position basse. Lors de ce mouvement, la découpe 14 coopère avec des moyens de guidage 24, 26 qui provoquent le pliage des faces de la découpe 14 de caisse adjacentes au fond 2, dans une position sensiblement verticale.The figure 5b illustrates more particularly the arm 20 in an intermediate position during the downward movement of the upper position to the lower position. During this movement, the cutout 14 cooperates with guide means 24, 26 which causes the folding of the faces of the cutout 14 of cash adjacent the bottom 2, in a substantially vertical position.

De préférence, les moyens de guidage 24, 26 comportent d'une part, deux arceaux 24 incurvés qui, en amont, coopèrent avec la surface externe de la face transversale 1 pour provoquer un premier pliage suivant son arête transversale commune avec le fond 2 et, d'autre part, des tiges 26 de guidage qui, en aval, coopèrent avec la surface externe de la face opposée 3 et du couvercle 4 pour provoquer un second pliage suivant l'arête transversale opposée, c'est-à-dire l'arête commune du fond 2 et de la face 3.Preferably, the guiding means 24, 26 comprise, on the one hand, two curved arches 24 which, upstream, cooperate with the external surface of the transverse face 1 to cause a first folding along its common transverse edge with the bottom 2 and on the other hand, guide rods 26 which, downstream, cooperate with the external surface of the opposite face 3 and the cover 4 to cause a second folding along the opposite transverse edge, that is to say common edge of the bottom 2 and the face 3.

Cette première opération de mise en forme par pliage a principalement pour but de constituer le fond 2 horizontal de la caisse 12 sur lequel seront ultérieurement déposés les produits à emballer.This first folding shaping operation is mainly intended to constitute the horizontal bottom 2 of the box 12 on which will be subsequently deposited the products to be packaged.

Toutefois, le fond 2 ne constitue pas nécessairement le fond ultérieur de la caisse fermée 12C qui est déterminé par l'orientation propre des produits emballés laquelle peut différer de celle adoptée lors du remplissage.However, the bottom 2 does not necessarily constitute the subsequent bottom of the closed box 12C which is determined by the proper orientation of the packaged products which may differ from that adopted during filling.

La figure 5c illustre, après la mise en forme au moins partielle de la découpe 14 de caisse, la caisse 12 wrap telle qu'elle est reçue au premier poste A de mise en forme de la ligne d'emballage 16 de la machine 10.The figure 5c illustrates, after the at least partial shaping of the body cutout 14, the box 12 wrap as received at the first station A shaping the packaging line 16 of the machine 10.

Le dispositif d'aspiration (non représenté) est commandé pour arrêter d'aspirer lorsque le bras 20 de transfert atteint sa position basse de sorte que les ventouses 22 de succion cessent alors de coopérer avec la surface inférieure du fond 2.The suction device (not shown) is controlled to stop sucking when the transfer arm reaches its low position so that suction cups 22 then stop cooperating with the bottom surface of the bottom 2.

A partir du premier poste A de mise en forme, la caisse 12A ainsi formée est alors susceptible d'être transférée, successivement d'amont en aval, par un dispositif de convoyage 30 selon l'invention, vers un deuxième poste B de remplissage où, comme l'illustre la figure 5d, des produits 28 à emballer sont déposés sur le fond 2 de la caisse remplie 12B puis vers un troisième poste C de fermeture, illustré à la figure 5f, avant l'évacuation de la caisse fermée 12C hors de la machine 10.From the first station A shaping, the box 12A thus formed is then likely to be transferred, successively from upstream to downstream, by a conveying device 30 according to the invention, to a second filling station B where as shown in figure 5d , products 28 to be packaged are deposited on the bottom 2 of the filled box 12B and then to a third position C of closure, shown in FIG. figure 5f , before the evacuation of the closed box 12C from the machine 10.

Lors du transfert de la caisse formée 12A jusqu'au poste B de remplissage, le bras 20, de nouveau libre, est alors déplacé en sens opposé soit vers sa position haute d'extraction de manière à pouvoir amener une nouvelle découpe 14 de caisse du magasin 18 au premier poste A.During the transfer of the formed box 12A to the filling station B, the arm 20, again free, is then moved in the opposite direction or towards its upper extraction position so as to bring a new body cutout 14 of the store 18 at the first post A.

Avantageusement, le bras 20 comporte un corps télescopique de manière à permettre son dégagement depuis sa position basse selon une cinématique comportant un premier déplacement longitudinal en translation de l'aval vers l'amont puis, la partie supérieure portant les ventouses 22 ne risquant plus d'interférer avec le fond 2 de la caisse 12A, un second déplacement vertical en rotation vers sa position haute d'extraction, le bras 20 étant actionné pour retrouver sa longueur initiale avant d'atteindre cette position.Advantageously, the arm 20 comprises a telescopic body so as to allow its release from its lower position in a kinematic having a first longitudinal displacement in translation from the downstream to the upstream and then the upper part carrying the suction cups 22 not risking any more. interfering with the bottom 2 of the body 12A, a second vertical displacement in rotation towards its upper extraction position, the arm 20 being actuated to return to its original length before reaching this position.

De manière connue, la machine 10 comporte, latéralement de part et d'autre de la ligne d'emballage 16, d'une part des moyens (non représentés) de maintien et/ou de positionnement des différents rabats 5 à 9 de la découpe 14 qui, disposés longitudinalement le long de la ligne d'emballage 16, interviennent au cours des opérations successives de mise en caisse et, d'autre part des moyens (non représentés) d'encollage des rabats 5 à 9.In known manner, the machine 10 comprises, laterally on either side of the packaging line 16, firstly means (not shown) for holding and / or positioning the various flaps 5 to 9 of the blank 14 who, willing longitudinally along the packaging line 16, intervene during the successive crating operations and, on the other hand, means (not shown) for gluing the flaps 5 to 9.

Les moyens d'encollage sont par exemple constitués par des "pistolets" aptes à pulvériser avec précision de la colle chauffée sur une zone d'encollage donnée de chaque rabat.The sizing means are for example constituted by "guns" capable of accurately spraying heated glue on a given gluing area of each flap.

On a illustré sur les figures 5c à 5f les mouvements de pliage des différents rabats 5 à 9 au cours du cycle d'encaissement par des flèches en pointillés.We have illustrated on Figures 5c to 5f the folding movements of the various flaps 5 to 9 during the collection cycle by dashed arrows.

De préférence, les rabats 6 sont positionnés sensiblement horizontalement au poste A puis maintenu dans cette position jusqu'au poste B, tandis que les rabats 5 et 7 sont respectivement lors du transfert entre A et B et/ou au poste B rabattus vers l'intérieur de la caisse 12A, 12B de manière à venir se positionner latéralement, c'est-à-dire orthogonalement aux faces transversales 1, 3 et au fond 2.Preferably, the flaps 6 are positioned substantially horizontally at the station A and then held in this position to the station B, while the flaps 5 and 7 are respectively at the transfer between A and B and / or the station B folded towards the inside the box 12A, 12B so as to be positioned laterally, that is to say orthogonally to the transverse faces 1, 3 and the bottom 2.

La machine 10 comporte aussi un dispositif de chargement (non représenté) pour prélever et transférer des produits 28, généralement conditionnés en lot(s), tel qu'illustré par une flèche F sur la figure 5d du poste B de remplissage.The machine 10 also comprises a loading device (not shown) for taking and transferring products 28, generally packaged in batch (es), as illustrated by an arrow F on the figure 5d filling station B.

De manière connue, l'opération de remplissage de la caisse formée 12A par les produits 28 peut être réalisée soit latéralement par l'une ouverte des faces latérales de la caisse 12B, soit verticalement de haut en bas pour déposer les produits 28 sur le fond 2 horizontal de la caisse 12B, préalablement constitué au poste A.In known manner, the filling operation of the box formed 12A by the products 28 can be carried out either laterally by one open side faces of the box 12B, or vertically from top to bottom to deposit the products 28 on the bottom 2 horizontal box 12B, previously constituted at station A.

On connaît de nombreux dispositifs de chargement pour réaliser latéralement ou verticalement la mise en caisse des produits 28, tels que des bras robotisés comportant des moyens de préhension d'un lot de produits.Many loading devices are known for making laterally or vertically the crating of the products 28, such as robotic arms comprising means for gripping a batch of products.

Les moyens de préhension (non représentés) sont notamment fonction du conditionnement et du type de produit à transférer dans la caisse, ainsi ces moyens peuvent être de type mécaniques, par exemple une pince, ou encore pneumatiques tels que des ventouses d'aspiration.The gripping means (not shown) are in particular a function of the packaging and the type of product to be transferred into the box, so these means can be of the type mechanical, for example a clamp, or pneumatic such as vacuum suction cups.

Lorsque le remplissage est réalisé verticalement, chaque paire de rabats 5 et 7 est alors avantageusement maintenue dans ladite position latérale afin de recevoir une application de colle et pour permettre la fixation par collage de chacun des rabats 5 et 7 avec le rabat 6 correspondant lors du transfert de la caisse remplie 12B vers le troisième poste C de fermeture.When the filling is carried out vertically, each pair of flaps 5 and 7 is then advantageously maintained in said lateral position in order to receive an application of glue and to allow the attachment by gluing of each of the flaps 5 and 7 with the corresponding flap 6 during the transfer of the filled box 12B to the third station C closing.

Pour ce faire, chaque rabat 6 est plié et rabattu verticalement vers le haut puis avantageusement pressé contre les rabats 5 et 7 pendant une durée déterminée suffisante pour garantir un assemblage solide. On constitue ainsi partiellement les deux autres faces, c'est-à-dire les faces latérales, de la caisse 12.To do this, each flap 6 is folded and folded vertically upwards and then advantageously pressed against the flaps 5 and 7 for a fixed time sufficient to ensure a solid assembly. The two other faces, that is to say the lateral faces, of the body 12 are thus partially constituted.

Comme on peut le voir par comparaison des figures 5e et 5f, le couvercle 4 est ensuite plié et rabattu vers le bas jusqu'à ce qu'il s'étende parallèlement au fond 2 horizontal par des moyens de pliage/rabattage (non représentés) équipant le poste C de fermeture.As can be seen by comparison of Figures 5e and 5f , the cover 4 is then folded and folded downwards until it extends parallel to the horizontal bottom 2 by folding / folding means (not shown) equipping the closing station C.

De la même manière, les rabats 8 sont pliés et rabattus contre les rabats 5 et 7, précédemment encollés, pour achever de former les faces latérales de la caisse 12 et le rabat 9 plié et rabattu contre la face externe, préalablement encollée, de la face transversale 1 pour achever la fermeture de la caisse remplie 12B.In the same way, the flaps 8 are folded and folded against the flaps 5 and 7, previously glued, to complete forming the side faces of the body 12 and the flap 9 folded and folded against the outer face, previously glued, of the transverse face 1 to complete the closure of the filled box 12B.

En variante, le rabat 9 est encollé grâce à des moyens d'encollage qui sont solidaires en déplacement des moyens de préhension du dispositif de chargement/remplissage effectuant par exemple, après le prélèvement des produits 28, un premier déplacement transversal pour venir se positionner au dessus de la caisse 12B puis un second déplacement vertical pour déposer les produits 28.Alternatively, the flap 9 is glued by means of gluing means which are integral displacement of the gripping means of the loading / filling device performing for example, after the removal of the products 28, a first transverse displacement to come to position at top of the box 12B and a second vertical movement to deposit the products 28.

De manière connue, le poste C de fermeture comporte avantageusement des moyens de pressage et/ou d'équerrage (non représentés) pour vérifier la mise en forme de la caisse parallélépipédique et exercer sur les différentes parties encollées, telles que les rabats, un effort de pression de manière à garantir une bonne fixation.In known manner, the closing station C advantageously comprises pressing means and / or squareness (not shown) to verify the formatting of the body parallelepiped and exert on the different glued parts, such as the flaps, a pressure force so as to ensure good fixation.

On décrira ci-après un exemple de réalisation du dispositif de convoyage 30 selon l'invention, représenté en détail aux figures 6 à 8.An exemplary embodiment of the conveying device 30 according to the invention will be described below, shown in detail in FIGS. Figures 6 to 8 .

Conformément à l'invention, le dispositif de convoyage 30 comporte un chariot 32 qui est monté mobile longitudinalement dans les deux sens et de manière alternée entre une position extrême amont et une position extrême aval, et qui porte des moyens de transferts 34 de caisse(s) comportant ici une première pince 36 pour transférer une caisse formée 12A depuis le premier poste A jusqu'au second poste B et une deuxième pince 38 pour transférer simultanément une autre caisse remplie 12B depuis le deuxième poste B jusqu'au troisième poste C.According to the invention, the conveying device 30 comprises a carriage 32 which is mounted movable longitudinally in both directions and alternately between an extreme upstream position and an extreme downstream position, and which carries means 34 for transfer of body ( s) here comprising a first clamp 36 for transferring a formed box 12A from the first station A to the second station B and a second clamp 38 for simultaneously transferring another filled box 12B from the second station B to the third station C.

Avantageusement, chacune des première et deuxième pinces 36, 38 comporte au moins un moyen de blocage amont 40 et un moyen de blocage aval 42 de la caisse 12.Advantageously, each of the first and second clamps 36, 38 comprises at least one upstream locking means 40 and a downstream blocking means 42 of the box 12.

Les moyens de blocage amont 40 et aval 42 sont montés mobiles entre :

  • une position active dans laquelle les moyens de blocage 40, 42 coopèrent avec une partie de la caisse 12A, 12B correspondante pour transférer simultanément chaque caisse 12A, 12B depuis un poste donné jusqu'au poste suivant, et
  • une position inactive dans laquelle, après le transfert desdites caisses 12A, 12B, les moyens de blocage 40, 42 sont escamotés de manière à permettre le repositionnement du chariot 32 en position initiale amont, selon un trajet de retour.
The upstream and downstream blocking means 40 are mounted movably between:
  • an active position in which the locking means 40, 42 cooperate with a part of the corresponding box 12A, 12B to simultaneously transfer each box 12A, 12B from a given station to the next station, and
  • an inactive position in which, after the transfer of said boxes 12A, 12B, the locking means 40, 42 are retracted so as to allow the repositioning of the carriage 32 in the upstream initial position, in a return path.

En position extrême amont du chariot 32, la découpe 14 de caisse mise en forme constitue la caisse formée 12A représentée au poste A sur les figures 1 et 6.In the extreme upstream position of the carriage 32, the contoured body cutout 14 constitutes the formed box 12A represented at station A on the figures 1 and 6 .

En effet, comme expliqué précédemment, la découpe 14 de caisse est amenée par le bras 20 de transfert pour être mise en forme par l'action conjointe des moyens de guidage 24, 26 et du bras 20, la position de la caisse 12A telle qu'illustrée à la figure 5c étant obtenue lorsque le bras 20 de transfert atteint sa position basse de mise en forme avec le fond 2 horizontal.Indeed, as explained above, the case cutout 14 is fed by the transfer arm 20 to be shaped by the joint action of the guide means 24, 26 and the 20, the position of the body 12A as illustrated in FIG. figure 5c being obtained when the transfer arm 20 reaches its low position of shaping with the horizontal bottom 2.

La caisse formée 12A est alors maintenue dans cette position par les moyens de blocage 40, 42 des pinces 36, 38 qui sont en position active.The formed box 12A is then held in this position by the locking means 40, 42 of the clamps 36, 38 which are in the active position.

Plus précisément, en position active, les moyens de blocage 40, 42 de chaque pince 36, 38 coopèrent avec une partie des faces transversales amont 1, aval 3 qui sont adjacentes au fond 2 horizontal de la caisse 12 de manière que, entre deux postes successifs, le fond 2 de chaque caisse glisse le long d'un chemin de guidage 44 horizontal.More specifically, in the active position, the locking means 40, 42 of each clamp 36, 38 cooperate with a portion of the upstream transverse faces 1, downstream 3 which are adjacent to the horizontal bottom 2 of the box 12 so that between two positions successive, the bottom 2 of each body slides along a guide path 44 horizontal.

Avantageusement, les moyens de guidage aval de la découpe 14 constitués par les tiges 26 sont montés mobiles verticalement entre une position basse de retenue dans laquelle les tiges maintiennent le couvercle 4 de la caisse 12 en position au poste A et une position haute de libération vers laquelle les tiges 26 sont déplacées vers le haut de manière à ne pas faire obstacle au transfert de la caisse 12A du poste A au poste B par la première pince 36 du dispositif de convoyage 30.Advantageously, the downstream guide means of the cutout 14 constituted by the rods 26 are mounted vertically movable between a low retaining position in which the rods hold the lid 4 of the body 12 in position at the station A and a high position of release towards which the rods 26 are displaced upwards so as not to hinder the transfer of the box 12A from the station A to the station B by the first clamp 36 of the conveying device 30.

Le chemin de guidage 44 s'étend longitudinalement le long de la ligne d'emballage 16 de la machine, c'est à dire d'amont en aval et de manière adjacente aux postes A, B et C qui sont agencés latéralement, ici du côté gauche, par rapport au chemin de guidage 44 et donc à la ligne d'emballage 16.The guide path 44 extends longitudinally along the packaging line 16 of the machine, that is to say from upstream to downstream and adjacent to the posts A, B and C which are arranged laterally, here from left side, relative to the guide path 44 and therefore to the packaging line 16.

De préférence, le chemin de guidage 44 est constitué par la face horizontale supérieure 46 d'appui de deux rails 48 longitudinaux qui, parallèles, délimitent longitudinalement et transversalement la ligne d'emballage 16.Preferably, the guide path 44 is constituted by the upper horizontal face 46 of support of two longitudinal rails 48 which, parallel, delimit longitudinally and transversely the packaging line 16.

Les moyens de blocage 40, 42 des première et seconde pinces 36, 38 du chariot 32 sont agencés transversalement entre les deux rails 48 et sont ainsi déplacés longitudinalement de long de la ligne d'emballage 16 par le chariot 32, alternativement entre une position extrême amont et une position extrême aval suivant un trajet aller et un trajet de retour.The locking means 40, 42 of the first and second clamps 36, 38 of the carriage 32 are arranged transversely between the two rails 48 and are thus moved longitudinally along the packaging line 16 by the carriage 32, alternately between an extreme upstream position and a downstream extreme position along a forward path and a return path.

Les moyens de blocage 40, 42 de chaque pince 36, 38 sont montés pivotants autour d'axes transversaux orthogonaux aux rails 48 longitudinaux, respectivement entre la position active dans laquelle les moyens de blocage amont 40 et aval 42 s'étendent verticalement au dessus des faces horizontales supérieures 46 d'appui des rails 48 pour coopérer avec chaque caisse 12A et 12B et la position inactive dans laquelle les moyens de blocage amont 40 et aval 42 sont escamotés en dessous des faces horizontales supérieures 46 d'appui des rails 48 lors du trajet de retour du chariot 32 de manière à ne pas interférer avec les fonds 2 des caisses 12A et 12B.The locking means 40, 42 of each clamp 36, 38 are pivotally mounted about transverse axes orthogonal to the longitudinal rails 48, respectively between the active position in which the upstream and downstream locking means 42 extend vertically above the upper horizontal faces 46 supporting the rails 48 to cooperate with each box 12A and 12B and the inactive position in which the upstream blocking means 40 and downstream 42 are retracted below the upper horizontal faces 46 support of the rails 48 during the return path of the carriage 32 so as not to interfere with the funds 2 of the boxes 12A and 12B.

On a représenté à la figure 6 les positions active et inactive des moyens de blocage 40, 42 de chacune des pinces 36, 38, respectivement en trait plein et en trait pointillé.We have shown figure 6 the active and inactive positions of the locking means 40, 42 of each of the clamps 36, 38, respectively in solid line and dashed line.

De préférence, chaque moyen de blocage 40, 42 comporte une paire de bras 50, respectivement un bras 50a gauche et un bras 50b droit, de sorte que chaque pince 36, 38 est constituée de quatre bras 50.Preferably, each locking means 40, 42 comprises a pair of arms 50, respectively a left arm 50a and a right arm 50b, so that each clamp 36, 38 consists of four arms 50.

Avantageusement, au moins l'un 50b des bras 50 de chaque moyen de blocage 40, 42 est monté mobile transversalement sur des tubes de support 52, 53 constituant l'axe transversal de pivotement des bras de manière à permettre un réglage de l'écartement transversal entre chacun des bras 50a, 50b en fonction des dimensions de la caisse 12, en particulier de la profondeur P du fond 2.Advantageously, at least one 50b of the arms 50 of each locking means 40, 42 is mounted transversely movable on support tubes 52, 53 constituting the transverse axis of pivoting of the arms so as to allow adjustment of the spacing transverse between each arm 50a, 50b depending on the dimensions of the body 12, in particular the depth P of the bottom 2.

Plus précisément, les bras 50a, 50b des moyens de blocage amont 40 de chacune des pinces 36, 38 sont montés sur des tubes transversaux inférieurs 52 et les bras 50a, 50b des moyens de blocage aval 42 de chacune des pinces 36, 38 sur des tubes transversaux supérieurs 53, les tubes d'axe 52, 53 étant décalés verticalement et globalement superposés.More specifically, the arms 50a, 50b of the upstream blocking means 40 of each of the clamps 36, 38 are mounted on lower transverse tubes 52 and the arms 50a, 50b of the downstream blocking means 42 of each of the clamps 36, 38 on upper cross tubes 53, the axis tubes 52, 53 being vertically offset and globally superimposed.

Les bras 50a, 50b de chaque moyen de blocage 40, 42 de chaque pince 36, 38 sont susceptibles d'être déplacés pour procéder au réglage de leur écartement transversal, notamment selon la profondeur P.The arms 50a, 50b of each locking means 40, 42 of each clamp 36, 38 can be moved to adjust their transverse spacing, in particular according to the depth P.

Avantageusement, les bras 50a, 50b sont immobilisés en position de fonctionnement par des moyens de serrage 54 permettant de préférence de procéder manuellement au serrage des bras 50 de manière simple et rapide.Advantageously, the arms 50a, 50b are immobilized in the operating position by clamping means 54, which preferably makes it possible to manually tighten the arms 50 in a simple and rapid manner.

Les moyens de serrage 54 des bras 50 sur les tubes d'axe 52, 53 sont ici des systèmes à cran ou vis autobloquant, par exemple par quart de tour, comportant une poignée 56 et permettant de faire les réglages sans avoir recours à un quelconque outillage spécifique.The clamping means 54 of the arms 50 on the shaft tubes 52, 53 are here notch systems or self-locking screws, for example by a quarter turn, having a handle 56 and allowing adjustments to be made without resorting to any specific tools.

De manière connue, de tels moyens de serrage 54 sont par exemple manoeuvres manuellement grâce à la poignée 56 sur laquelle on exerce d'une part, pour déverrouiller le système, un effort de traction à l'encontre d'un ressort de rappel du système en position verrouillée et, d'autre part, pour procéder au réglage, à un ou plusieurs mouvements de rotation.In known manner, such clamping means 54 are for example maneuvers manually through the handle 56 on which is exerted on the one hand, to unlock the system, a tensile force against a system of return spring in the locked position and, secondly, to adjust, one or more rotational movements.

Comme on peut mieux le voir sur les figures 6 à 8, le chariot 32 comporte une première aile 58 verticale et une deuxième aile 60 verticale qui supportent respectivement les moyens de blocage amont 40 et les moyens de blocage aval 42 des pinces 36, 38.As we can see it better on Figures 6 to 8 , the carriage 32 comprises a first vertical wing 58 and a second vertical wing 60 which respectively support the upstream blocking means 40 and the downstream blocking means 42 of the clips 36, 38.

Plus précisément, les tubes inférieurs d'axe 52 portant les paires de bras 50a, 50b, des moyens de blocage amont 40 sont solidaires à l'une de leurs extrémités de la première aile 58 et les tubes supérieur d'axe 53 portant les paires de bras 50a, 50b, des moyens de blocage aval 42 sont solidaires à l'une de leurs extrémités de la deuxième aile 60.More specifically, the lower shaft tubes 52 carrying the pairs of arms 50a, 50b, upstream locking means 40 are integral at one of their ends of the first flange 58 and the upper tubes of axis 53 carrying the pairs of arms 50a, 50b, downstream blocking means 42 are integral at one of their ends with the second wing 60.

Les première et deuxième ailes 58, 60 du chariot 32 sont montés mobiles l'une par rapport à l'autre suivant la direction longitudinale de manière à permettre un réglage de la distance longitudinale entre les moyens de blocage amont 40 et aval 42 en fonction des dimensions de la caisse en carton, en particulier de la longueur L du fond 2.The first and second wings 58, 60 of the carriage 32 are movably mounted relative to one another in the longitudinal direction so as to allow adjustment of the longitudinal distance between the upstream locking means 40 and downstream 42 in the dimensions of the cardboard box, in particular the length L of the bottom 2.

La première aile 58 comporte, sur sa face latérale gauche, deux roues ou patins inférieurs 62 amont et aval formant une glissière et un patin supérieur 63, qui coulissent respectivement sur un rail longitudinal inférieur 64 et un rail supérieur 65 qui sont solidaires de la face latérale droite de la deuxième aile 60.The first wing 58 comprises, on its left side face, two wheels or lower pads 62 upstream and downstream forming a slide and an upper pad 63, which respectively slide on a lower longitudinal rail 64 and an upper rail 65 which are integral with the face right side of the second wing 60.

La deuxième aile 60 comporte sur sa face latérale gauche une paire de patins amont 66 et une paire de patins aval 68, chaque paire de patins 66, 68 comportant respectivement un patin supérieur et un patin inférieur, globalement alignés verticalement.The second wing 60 has on its left side face a pair of upstream pads 66 and a pair of downstream pads 68, each pair of pads 66, 68 respectively comprising an upper pad and a lower pad, generally aligned vertically.

Les paires de patins 66, 68 sont montés sur un rail longitudinal inférieur 70 et un rail longitudinal supérieur 72, qui sont ici solidaires d'un bâti 74 de la machine 10 de manière à permettre au chariot 32 de coulisser entre ses positions extrêmes amont et aval.The pairs of pads 66, 68 are mounted on a lower longitudinal rail 70 and an upper longitudinal rail 72, which are here integral with a frame 74 of the machine 10 so as to allow the carriage 32 to slide between its upstream and downward end positions. downstream.

Le dispositif de convoyage 30 selon l'invention comporte aussi des moyens d'évacuation 76 de la caisse fermée 12C hors du poste C de fermeture de la machine 10.The conveying device 30 according to the invention also comprises means 76 for evacuating the closed box 12C from the closing station C of the machine 10.

Les moyens d'évacuation 76 sont constitués par une troisième paire de bras d'évacuation amont, respectivement un bras gauche 76a et un bras droit 76b similaires aux bras 50a, 50b des moyens de blocage amont 40 des pinces 36, 38.The evacuation means 76 are constituted by a third pair of upstream evacuation arms, respectively a left arm 76a and a right arm 76b similar to the arms 50a, 50b of the upstream locking means 40 of the clamps 36, 38.

La première aile 58 comporte, outre les bras des moyens de blocage amont 40 de chacune des pinces 36, 38, les bras d'évacuation 76a, 76b, qui sont agencés à son extrémité aval de manière à venir en vis-à-vis du poste C de fermeture lorsque le chariot 32 est en position extrême amont.The first wing 58 comprises, in addition to the arms of the upstream blocking means 40 of each of the clamps 36, 38, the evacuation arms 76a, 76b, which are arranged at its downstream end so as to come opposite the station C closing when the carriage 32 is in the extreme upstream position.

Avantageusement, les bras 76 d'évacuation sont montés mobiles de manière synchrone avec les moyens de blocage amont 40.Advantageously, the evacuation arms 76 are movably mounted synchronously with the upstream locking means 40.

De la même manière, les bras d'évacuation 76a, 76b sont montés mobiles entre une position active dans laquelle ils coopèrent avec la face transversale amont 1 de la caisse 12C et une position inactive dans laquelle les bras 76 sont escamotés, comme les bras 50 des pinces 36, 38, pour permettre le repositionnement du chariot 32 selon un trajet de retour.In the same way, the evacuation arms 76a, 76b are movably mounted between an active position in which they cooperate with the upstream transverse face 1 of the box 12C and an inactive position in which the arms 76 are retracted, such as the arms 50 of the clamps 36, 38, to allow the repositioning of the carriage 32 in a return path.

Les bras 76 d'évacuation ont donc pour fonction, lors du trajet aller du chariot 32, de pousser vers l'aval la caisse fermée 12C pour la faire glisser sur la face horizontale supérieure 46 d'appui des rails 48 formant le chemin de guidage 44, depuis le poste C de fermeture jusqu'en dehors de la machine 10, où la caisse 12C est par exemple convoyée, automatiquement ou non, par des moyens de transport (non représentés) jusqu'à une zone d'expédition.The evacuation arms 76 therefore have the function, during the forward travel of the carriage 32, of pushing the closed box 12C downstream to slide it on the upper horizontal face 46 of the rails 48 forming the guide path. 44, from the closing station C to outside the machine 10, where the box 12C is for example conveyed, automatically or not, by means of transport (not shown) to a shipping area.

Les bras 76 d'évacuation constituent donc aussi des moyens de transferts 34 au sens de la présente invention.The evacuation arms 76 thus also constitute transfer means 34 within the meaning of the present invention.

De manière analogue aux bras 50, les bras 76 d'évacuation sont montés pivotants autour d'un axe transversal orthogonal 52 aux rails 48 longitudinaux, respectivement entre la position active dans laquelle les bras 76 s'étendent verticalement au dessus des faces horizontales supérieures 46 des rails 48 pour coopérer avec la caisse 12C et la position inactive dans laquelle les bras 76 sont escamotés en dessous de la face horizontale supérieure 46 des rails 48 lors du trajet de retour du chariot 32.In a similar manner to the arms 50, the evacuation arms 76 are pivotally mounted around an orthogonal transverse axis 52 to the longitudinal rails 48, respectively between the active position in which the arms 76 extend vertically above the upper horizontal faces 46 rails 48 for cooperating with the body 12C and the inactive position in which the arms 76 are retracted below the upper horizontal face 46 of the rails 48 during the return path of the carriage 32.

Avantageusement, au moins l'un 76b des bras 76 d'évacuation est monté mobile transversalement de manière à permettre un réglage de l'écartement transversal des bras 76 en fonction des dimensions de la caisse en carton, en particulier de la largeur P de la caisse 12, ici son fond 2.Advantageously, at least one 76b of the evacuation arms 76 is mounted transversely movable so as to allow adjustment of the transverse spacing of the arms 76 depending on the dimensions of the cardboard box, in particular the width P of the box 12, here its bottom 2.

On décrira ci-après la cinématique de fonctionnement du dispositif de convoyage 30 selon l'invention suivant le cycle de mise en caisse illustré par les figures 5a à 5f.The operating kinematics of the conveying device 30 according to the invention will be described below according to the crating cycle illustrated by the Figures 5a to 5f .

Lorsque le chariot 32 est initialement en position extrême amont, la première pince 36 est agencée longitudinalement au niveau du poste A de mise en forme tandis que la deuxième pince 38 est en vis-à-vis du poste B de remplissage et les bras 76 d'évacuation de la caisse du poste C de fermeture.When the carriage 32 is initially in the extreme upstream position, the first clamp 36 is arranged longitudinally at the station A shaping while the second clamp 38 is vis-à-vis the filling station B and arms 76 d evacuation of the box of the closing station C.

La pince 36 est alors en position active dans laquelle les bras 50a, 50b de ses moyens de blocage amont 40 et aval 42 coopèrent avec la caisse formée 12A se trouvant au poste A, et de la même manière, ceux de la pince 38 avec la caisse remplie 12B se trouvant au poste B et enfin les bras d'évacuation 76a, 76b avec la caisse fermée 12C se trouvant au poste C.The clamp 36 is then in the active position in which the arms 50a, 50b of its upstream locking means 40 and downstream 42 cooperate with the formed box 12A at the station A, and in the same way, those of the clamp 38 with the filled box 12B at station B and finally the evacuation arms 76a, 76b with the closed box 12C at station C.

Le chariot 32 est déplacé longitudinalement, entre sa position extrême amont et sa position extrême aval et réciproquement, par l'intermédiaire d'un dispositif d'entraînement 78 que comporte la machine 10.The carriage 32 is moved longitudinally between its upstream end position and its downstream end position and vice versa, by means of a driving device 78 that the machine 10 comprises.

Le dispositif d'entraînement 78 comporte par exemple des moyens de transmission 80 à courroie qui sont entraînés par un servomoteur 82.The driving device 78 comprises, for example, belt transmission means 80 which are driven by a servomotor 82.

Le chariot 32 effectue alors une première course longitudinale depuis sa position extrême amont jusqu'à sa position extrême aval qui correspond au trajet aller au cours duquel la première pince 36 transfère la caisse formée 12A depuis le poste A jusqu'au poste B, la deuxième pince 38 transfère la caisse remplie 12B depuis le poste B jusqu'au poste C et les bras d'évacuation 76a, 76b poussent la caisse fermée 12C vers l'aval hors de la machine 10.The carriage 32 then makes a first longitudinal race from its extreme upstream position to its downstream extreme position which corresponds to the outward path in which the first gripper 36 transfers the formed crate 12A from the station A to the station B, the second clamp 38 transfers the filled box 12B from the station B to the station C and the evacuation arms 76a, 76b push the closed box 12C downstream out of the machine 10.

Pour permettre de maintenir temporairement une caisse donnée en position longitudinale, notamment lorsque certains moyens de blocage 40, 42 ou d'évacuation 76 sont escamotés en position inactive pendant la deuxième course, en sens opposé, de repositionnement du chariot 32 en position extrême amont, la machine 10 comporte, à certain des postes, des moyens d'immobilisation 84, qui seront décrits plus en détail ultérieurement.To make it possible to temporarily hold a given box in a longitudinal position, especially when certain blocking means 40, 42 or evacuation means 76 are retracted into the inactive position during the second stroke, in the opposite direction, of repositioning the carriage 32 in the upstream end position, the machine 10 comprises, at certain stations, immobilization means 84, which will be described in more detail later.

Le dispositif de convoyage 30 comporte des moyens d'actionnement 86 pour commander, entre les positions active et inactive, le déplacement des moyens de transferts 34 constitués par les pinces 36, 38 et les bras 76 d'évacuation.The conveying device 30 comprises actuating means 86 for controlling, between the active and inactive positions, the displacement of the transfer means 34 constituted by the clamps 36, 38 and the evacuation arms 76.

De préférence, les moyens d'actionnement 86 comportent des premiers moyens 88 pour actionner les moyens de blocage amont 40 et les bras d'évacuation 76a, 76b qui sont portés par la première aile 58.Preferably, the actuating means 86 comprise first means 88 for actuating the upstream locking means 40 and the evacuation arms 76a, 76b which are carried by the first flange 58.

Les premiers moyens 88 comportent au moins un vérin 90 qui agit sur un premier levier 92 principal de commande, solidaire d'un des tubes inférieurs 52, qui provoque la rotation de l'ensemble tube d'axe 52 - bras 50a, 50b (c'est à dire des moyens de blocage amont 40) entre les positions active et inactive, ici ceux de la deuxième pince 38.The first means 88 comprise at least one jack 90 which acts on a first main control lever 92, integral with one of the lower tubes 52, which causes the rotation of the shaft tube assembly 52 - arm 50a, 50b (c that is to say upstream blocking means 40) between the active and inactive positions, here those of the second clamp 38.

Le premier levier principal 92 de commande est solidaire en déplacement des leviers 94 et 96 analogues commandant respectivement les moyens de blocage amont 40 de la première pince 36 et les bras 76 d'évacuation par l'intermédiaire de biellettes de liaison 98.The first main control lever 92 is displaceably connected to levers 94 and 96, respectively controlling the upstream locking means 40 of the first gripper 36 and the evacuation arms 76 by means of link rods 98.

De la même manière, les moyens d'actionnement 86 comportent aussi des seconds moyens 100 pour actionner les moyens de blocage aval 42 qui sont portés par la deuxième aile 60.In the same way, the actuating means 86 also comprise second means 100 for actuating the downstream blocking means 42 which are carried by the second flange 60.

Les seconds moyens 100 comportent au moins un vérin 102 qui agit sur un second levier 104 principal de commande par l'intermédiaire d'une bielle 106, solidaire d'un des tubes d'axe supérieurs 53 portant les bras 50a, 50b des moyens de blocage aval 42 de la première pince 36, qui provoque leur rotation entre les positions active et inactive.The second means 100 comprise at least one jack 102 which acts on a second main control lever 104 via a connecting rod 106, integral with one of the upper shaft tubes 53 carrying the arms 50a, 50b of the downstream blocking 42 of the first clamp 36, which causes their rotation between the active and inactive positions.

Le second levier 104 principal de commande est solidaire en déplacement du levier 108 commandant respectivement les moyens de blocage amont 40 de la deuxième pince 38 par l'intermédiaire d'une biellette de liaison 112.The second main control lever 104 is integral in displacement of the lever 108 respectively controlling the upstream blocking means 40 of the second clamp 38 by means of a link rod 112.

Avantageusement, les biellettes de liaison 98 et 112 constituent des moyens de synchronisation du mouvement alternatif de va-et-vient des moyens de blocage 40, 42 des pinces 36, 38 et des bras 76 d'évacuation entre les positions actives et inactives.Advantageously, the link rods 98 and 112 constitute means for synchronizing the reciprocating reciprocating movement of the locking means 40, 42 of the clamps 36, 38 and the evacuation arms 76 between the active and inactive positions.

Ainsi, le chariot 32 se trouvant en position extrême aval, on commande alors les moyens d'actionnement 86 pour faire pivoter les bras des pinces 36, 38 et les bras 76 d'évacuation en position inactive.Thus, the carriage 32 being in extreme downstream position, it then controls the actuating means 86 to rotate the arms of the clamps 36, 38 and the arms 76 to evacuate inactive position.

Le poste A est alors vide puisque la caisse formée 12A a été transférée au poste B par la pince 36, le poste A de mise en forme ne comporte donc pas ici de moyens d'immobilisation 84 de caisse.The station A is then empty since the formed box 12A has been transferred to the station B by the clamp 36, the station A shaping does not include here means of immobilization 84 body.

En effet, la nouvelle découpe 14 de caisse amenée par le bras 20 de transfert est immobilisée longitudinalement en amont par les arceaux 24 et en aval par les tiges 26 en attendant que les bras de la première pince 36 viennent de nouveau, le chariot 32 étant en position extrême amont, se replacer en position active.Indeed, the new cutout 14 of cash brought by the transfer arm 20 is immobilized longitudinally upstream by the arches 24 and downstream by the rods 26 until the arms of the first clamp 36 come again, the carriage 32 being in extreme upstream position, return to the active position.

Toutefois au poste B, cette caisse formée 12A destinée à être remplie doit en revanche être maintenue en position, notamment longitudinalement et au moins tant que les moyens de blocage 40, 42 de la deuxième pince 38 sont en position inactive.However, at station B, this formed box 12A intended to be filled must instead be held in position, in particular longitudinally and at least as long as the locking means 40, 42 of the second clamp 38 are in the inactive position.

C'est la raison pour laquelle le poste B de remplissage comporte, en amont et en aval, des moyens d'immobilisation 84 se substituant temporairement aux moyens de blocage 40, 42.This is why the filling station B comprises, upstream and downstream, immobilization means 84 temporarily replacing the locking means 40, 42.

Le poste C de fermeture comporte aussi des moyens d'immobilisation 84 analogues qui sont agencés, uniquement en aval, et qui constituent des moyens temporaires de butée assurant un positionnement longitudinal correct de la caisse remplie 12B sur laquelle interviennent en amont des moyens, dits d'équerrage de caisse (non représentés), qui sont par exemple agencés verticalement au dessus du poste C.The closing station C also comprises similar immobilization means 84 which are arranged only downstream, and which constitute temporary stop means ensuring correct longitudinal positioning of the filled box 12B on which upstream means, known as squaring crate (not shown), which are for example arranged vertically above the station C.

Grâce aux moyens d'immobilisation 84, le chariot 32 effectue son trajet de retour pour se repositionner en position extrême amont et qu'alors les bras des pinces 36, 38 et les bras 76 sont actionnés pour pivoter en position active de manière à revenir dans la configuration initiale illustrée à la figure 1 et 6.Thanks to the immobilization means 84, the carriage 32 makes its return path to reposition itself in extreme upstream position and then the arms of the clamps 36, 38 and the arms 76 are actuated to pivot in the active position so as to return to the initial configuration illustrated in the figure 1 and 6 .

Un cycle complet de mise en caisse correspond ainsi à un trajet aller puis à un trajet de retour du chariot 32 comportant les moyens de transferts 34.A complete crating cycle thus corresponds to a forward path and then to a return path of the carriage 32 comprising the transfer means 34.

Les moyens d'immobilisation 84 sont ici constitués par des doigts amont 114 et/ou aval 116 qui sont de préférence agencés et montés mobiles dans chacun des rails 48 longitudinaux.The immobilizing means 84 are here constituted by upstream fingers 114 and / or downstream 116 which are preferably arranged and mounted movably in each of the longitudinal rails 48.

Les paires de doigts amont 114 et/ou aval 116 sont montés mobiles entre :

  • une position de travail dans laquelle les doigts 114, 116 font saillie au dessus du plan de la face horizontale supérieure 46 des rails 48 pour immobiliser au moins l'une des caisses 12B, 12C au poste correspondant, et
  • une position de repos dans laquelle les doigts 114, 116 sont escamotés en dessous de la face horizontale supérieure 46 de manière à ne pas interférer avec la caisse 12B ou 12C lors de son transfert vers le poste suivant ou son évacuation hors de la machine.
The pairs of upstream 114 and / or downstream fingers 116 are movably mounted between:
  • a working position in which the fingers 114, 116 project above the plane of the upper horizontal face 46 of the rails 48 to immobilize at least one of the boxes 12B, 12C at the corresponding station, and
  • a rest position in which the fingers 114, 116 are retracted below the upper horizontal face 46 so as not to interfere with the body 12B or 12C during its transfer to the next station or its evacuation out of the machine.

Plus précisément, chaque doigt amont 114 et aval 116 est monté, à son extrémité inférieure, pivotant autour d'un axe transversal et est déplacé entre ses positions de travail et de repos par des moyens d'actionnement 118 comportant ici un vérin 120 dont la tige agit sur un levier 122 provoquant le pivotement du doigt 114, 116.More precisely, each upstream and downstream finger 114 is mounted, at its lower end, pivoting about a transverse axis and is moved between its working and rest positions by actuating means 118 comprising here a jack 120 whose rod acts on a lever 122 causing pivoting of the finger 114, 116.

Avantageusement, le doigt aval 116 des postes B et C ainsi que ses moyens d'actionnement 118 sont montés solidaires d'une platine de support 124 pour former un sous-ensemble unitaire qui est monté mobile longitudinalement, ici par coulissement dans le rail 48, de manière à permettre un réglage de la distance longitudinale entre les paires de doigts amont 114 ou le moyen d'équerrage de la caisse 12C et les paires de doigts aval 116 en fonction des différents formats de caisse 12, notamment de la longueur L.Advantageously, the downstream finger 116 of the stations B and C and its actuating means 118 are mounted integral with a support plate 124 to form a unitary subassembly which is mounted movably longitudinally, here by sliding in the rail 48, so as to allow adjustment of the longitudinal distance between the pairs of upstream fingers 114 or squaring means of the body 12C and the downstream pairs of fingers 116 according to the different body formats 12, in particular the length L.

Pour faciliter la compréhension, on a représenté pour les poste B et C de la figure 1 un tel sous-ensemble comportant le doigt aval 116 du poste B qui a volontairement été décalé longitudinalement dans une position extrême amont correspondant à la plus grande longueur L de caisse 12 susceptible d'être mise en oeuvre dans la machine 10.For ease of understanding, for positions B and C the following figure 1 such a subset comprising the downstream finger 116 of the station B which has deliberately been shifted longitudinally in an extreme upstream position corresponding to the longest length L of body 12 may be implemented in the machine 10.

A la figure 1, pour le doigt aval 116 du poste B, on a aussi représenté les deux positions du doigt 116 d'immobilisation longitudinale des caisses, à savoir la position de travail dans laquelle il fait saillie hors du rail 48 en trait pointillé et la position de repos escamotée dans le rail 48 en trait plein.To the figure 1 for the downstream finger 116 of the station B, the two positions of the longitudinal immobilization finger 116 of the boxes, namely the working position in which it protrudes from the rail 48 in dashed line and the rest position, are also shown. retracted into the rail 48 in full line.

Avantageusement, la machine 10 comporte d'autres moyens d'immobilisation, notamment des moyens pneumatiques, comme des ventouses de succion associées à un dispositif d'aspiration permettant par exemple de maintenir ou d'immobiliser une partie de caisse, tels que le fond ou l'un des rabats.Advantageously, the machine 10 comprises other means of immobilization, in particular pneumatic means, such as suction suction cups associated with a suction device allowing for example to maintain or immobilize a body part, such as the bottom or one of the flaps.

La machine 10 comporte, ici au poste B de remplissage, une ventouse 126 de succion qui est agencée dans l'épaisseur du rail 48 droit et affleurante par rapport à la surface horizontale supérieure 46 d'appui du chemin de guidage 44 pour appliquer sur la surface externe de l'un des rabats 6 de la caisse 12 un effort d'aspiration vertical, orienté vers le bas, afin de le maintenir dans une position sensiblement horizontale.The machine 10 comprises, here at the filling station B, a vacuum suction cup 126 which is arranged in the thickness of the straight rail 48 and flush with respect to the upper horizontal surface 46 for supporting the guide path 44 to apply on the external surface of one of the flaps 6 of the body 12 a vertical suction force, oriented downwards, to maintain it in a substantially horizontal position.

Avantageusement, la machine 10 comporte des moyens de réglage 128 pour modifier l'écartement transversal entre chaque rail 48 longitudinal formant le chemin de guidage 44 sur lequel glisse les fonds 2 des cartons de manière à permettre, tout comme pour les moyens de transfert 34 du dispositif de convoyage 30, une modification simple et rapide en fonction des différents formats de caisse 12.Advantageously, the machine 10 comprises adjustment means 128 for modifying the transverse spacing between each longitudinal rail 48 forming the guide path 44 on which the funds 2 of the boxes slide so as to allow, as for the transfer means 34 of the conveyor device 30, a simple and fast modification according to the different box formats 12.

Les moyens de réglage 128 comporte ici un volant ou une manivelle 130 de commande qui entraîne en rotation une chaîne de transmission 132 actionnant un arbre 134 transversal agissant par des moyens de liaison du type "vis-écrou" sur la position des rails 48.The adjustment means 128 here comprises a steering wheel or a control crank 130 which drives in rotation a transmission chain 132 actuating a transverse shaft 134 acting by means of connection of the "screw-nut" type on the position of the rails 48.

Avantageusement, on procède aussi simultanément au réglage de l'écartement transversal des moyens portés par les rails 48, tels que les moyens d'immobilisation 84, 114, 116.Advantageously, the transverse spacing of the means carried by the rails 48, such as the immobilizing means 84, 114, 116, is also simultaneously adjusted.

Comme on peut mieux le voir sur la figure 3, le chariot 32 est agencé dans la machine 10 transversalement à l'extérieur de la ligne d'emballage 16, ici déporté latéralement du côté gauche, de manière à dégager un espace 136 situé verticalement sous la ligne d'emballage 16 de manière à faciliter l'accès, notamment par la droite, à cette zone de la machine 10.As can be seen better on the figure 3 , the carriage 32 is arranged in the machine 10 transversely outside the packaging line 16, here offset laterally on the left side, so as to clear a space 136 located vertically below the packaging line 16 so as to facilitate access, especially from the right, to this zone of the machine 10.

Avantageusement, on accède ainsi aisément aux moyens de serrage 54 qui permettent de régler l'écartement transversal entre les bras 50a, 50b des pinces 36, 38 ou les bras d'évacuation 76a, 76b.Advantageously, it is thus easy to access the clamping means 54 which adjust the transverse spacing between the arms 50a, 50b of the clamps 36, 38 or the evacuation arms 76a, 76b.

De surcroît, le dispositif de convoyage 30 selon l'invention ainsi agencé dans la machine 10 est moins sensible aux salissures que les dispositifs de convoyage par chaînes à taquets selon l'état de la technique.Moreover, the conveyor device 30 according to the invention thus arranged in the machine 10 is less sensitive to soiling than the chain-link conveyors according to the state of the art.

En effet, les poussières et/ou fines particules de carton provenant des découpes de caisse, en particulier pendant l'opération de mise en forme, sont une source d'encrassement permanent du dispositif de convoyage susceptibles de provoquer des interruptions de fonctionnement et exigeant, à tout le moins, des opérations d'entretien et de nettoyage régulières.Indeed, the dust and / or fine particles of cardboard from the body cutouts, in particular during the shaping operation, are a source of permanent fouling of the conveying device likely to cause interruptions in operation and demanding, at the very least, regular maintenance and cleaning operations.

De plus, lors du fonctionnement de la machine, les dispositifs de convoyage à chaînes sont aussi directement exposés à être salies ou souillées par le contenu même d'un produit en cours d'emballage, lequel est notamment susceptible de se répandre sur les chaînes, en particulier entre les maillons.In addition, during the operation of the machine, the chain conveying devices are also directly exposed to being soiled or soiled by the very content of a product being packaged, which is particularly likely to spread on the chains, especially between the links.

Tel serait le cas par exemple d'un flacon de shampooing dont l'étanchéité serait défectueuse à la suite un choc reçu ou encore à la suite d'un incident lors de l'opération de chargement/remplissage automatique de la caisse au cours duquel un produit s'échappant peut venir se briser de sorte que son contenu soit projeté dans la ligne d'emballage de la machine.Such would be the case, for example, of a bottle of shampoo whose sealing would be defective as a result of a shock received or even following an incident during the automatic loading / filling operation of the box during which a Escaping product can come crashing so that its contents are projected into the packaging line of the machine.

On comprendra que de telles interruptions ou opérations sont donc particulièrement coûteuses, tout comme les arrêts pour procéder aux réglages de la machine 10 pour une nouvelle caisse.It will be understood that such interruptions or operations are therefore particularly expensive, as well as the stops to make the settings of the machine 10 for a new box.

De préférence, des moyens d'entraînement (non représentés) du bras 20 de transfert sont agencés dans la machine 10 en amont du magasin 18 de stockage ou du premier poste A, de manière à protéger aussi ces moyens d'entraînement desdites salissures provenant les poussières et/ou fines particules de carton et à laisser vide l'espace 136 sous la ligne d'emballage 16.Preferably, drive means (not shown) of the transfer arm 20 are arranged in the machine 10 upstream of the storage magazine 18 or the first station A, so as to also protect these drive means from said dirt coming from them. dust and / or fine particles of cardboard and leave empty the space 136 under the packaging line 16.

Avantageusement, un tel agencement particulier du chariot 32 et d'une manière générale des autres moyens de la machine 10, contribue donc grandement à faciliter l'accessibilité à cet espace 136, notamment pour le réglage des moyens de transfert ou encore des opérations d'entretien, de nettoyage ne nécessitant pas impérativement un arrêt de la machine 10.Advantageously, such a particular arrangement of the carriage 32 and, in general, of the other means of the machine 10, therefore contributes greatly to facilitating the accessibility of this space 136, in particular for the adjustment of the transfer means or the operations of maintenance, cleaning does not necessarily require stopping the machine 10.

Bien entendu, l'exemple de réalisation décrit précédemment pour une machine 10 de type "sur-emballeuse" (caisse wrap) n'est nullement limitatif.Of course, the embodiment described above for a machine 10 type "over-pack" (crate wrap) is not limiting.

En variante, le dispositif de convoyage selon l'invention est mis en oeuvre dans une machine de type encaisseuse utilisant des caisses américaines.In a variant, the conveying device according to the invention is implemented in a box-type machine using American boxes.

Claims (11)

  1. A machine (10) for packaging a product or products (28) into a cardboard box (12) in a boxing cycle comprising at least three successive operations for making up, filling and sealing the box (12), the machine comprising boxing means which are arranged along a longitudinal packaging line (16) of the machine comprising, from the upstream end downstream, a first, making-up, station (A) which receives a succession, at a given rate, of box blanks (14) intended to be at least partially made up and comprising a conveyor device (30) for successively transferring in the downstream direction in an outbound path the box (12A) which has thus been made up toward a second, filling, station (B) at which the products (28) are packed into the box by associated loading means able to deposit the products that are to be packaged in the box (12B), and then on to a third, box-sealing, station (C) at which the box (12C) is sealed before it is discharged from the machine (10),
    characterized in that the conveyor device (30) comprises a carriage (32) which is mounted to be able to move longitudinally between an extreme upstream position and an extreme downstream position, and which bears box transfer means (34) comprising at least a first gripper (36) for transferring a made-up box (12A) from the first station (A) to the second station (B) and a second gripper (38) for simultaneously transferring another, filled, box (12B) from the second station (B) to the third station (C).
  2. The machine (10) as claimed in claim 1, characterized in that each of the grippers (36, 38) comprises an upstream restraining means (40) and a downstream restraining means (42) which are mounted such that they can move between:
    - an active position in which the restraining means (40, 42) collaborate with part of the corresponding box (12A, 12B) in order simultaneously to transfer each box from one given station to the next station, and
    - an inactive position in which, having transferred said boxes (12A, 12B), the restraining means (40, 42) are retracted so as to allow the carriage to reposition itself in its upstream initial position, in a return path.
  3. The machine (10) as claimed in claim 2, characterized in that the conveying device (30) comprises discharge means (76) for discharging the sealed box (12C) from the sealing station C of the machine, which means are mounted such that they can move between an active position and an inactive position in a way that is synchronized with the movement of the upstream restraining means (40).
  4. The machine (10) as claimed in one of claims 2 and 3, characterized in that, in the active position, the restraining means (40, 42) of each gripper (36, 38) or discharge means (76) collaborate with at least part of the transverse faces (1 , 3) which are adjacent to the horizontal bottom (2) of the box (12A, 12B) such that, between two successive stations, the bottom (2) of each box slides along a guide path (44).
  5. The machine (10) as claimed in claim 4, characterized in that the guide path (44) consists of the upper horizontal bearing face (46) of two longitudinal rails (48) of the packaging line (16) between which the restraining means (40, 42) of the first and second grippers (36, 38) and/or the discharge means (76) are positioned.
  6. The machine (10) as claimed in claim 5, characterized in that the restraining means (40, 42) of each gripper (36, 38) and/or the discharge means (76) are mounted such that they can pivot about a transverse axis (52, 53) orthogonal to the longitudinal rails (48) respectively between the active position in which the upstream (40) and downstream (42) restraining means and/or the discharge means (76) extend vertically above the upper horizontal faces (46) of the rails (48) so as to collaborate with the box (12A, 12B, 12C), and the inactive position in which the upstream (40) and downstream (42) restraining means and/or the discharge means (76) are retracted below the upper horizontal face (46) of the rails (48) during the return path of the carriage (32).
  7. The machine (10) as claimed in claim 6, characterized in that the machine comprises immobilizing means (84) capable of temporarily holding each box in a longitudinal position at a given station when the restraining means (40, 42) and/or the discharge means (76) are retracted into their inactive position.
  8. The machine (10) as claimed in claim 7, characterized in that the temporary-immobilizing means (84) consist of fingers (114, 116) which, arranged in each of the longitudinal rails (48), are mounted such that they can move between a working position in which the fingers (114, 116) project above the plane of the upper horizontal face (46) of the rails (48) so as to immobilize the box (12A, 12B, 12C) and a position of rest in which the fingers (114, 116) are retracted below the upper horizontal face (46) so as not to interfere with the box (12A, 12B, 12C) while it is being transferred to the next station.
  9. The machine (10) as claimed in any one of claims 2 to 8, characterized in that the carriage (32) comprises a vertical first flange (58) supporting the upstream restraining means (40) and/or the discharge means (76), and a vertical second flange (60) supporting the downstream restraining means (42), and in that the first and second flanges (58, 60) are mounted such that they can move one relative to the other in the longitudinal direction so as to allow the longitudinal distance between the upstream and downstream restraining means (40, 42) and/or between the discharge means (76) and the immobilizing means (84, 116) to be adjusted to suit the dimensions of the cardboard box, particularly the length of its bottom.
  10. The machine (10) as claimed in any one of claims 2 to 9, characterized in that each restraining means (40, 42) of a gripper (36, 38) and/or the discharge means (76) consists of a pair of arms (50a, 50b, 76) of which at least one (50b, 76b) is mounted such that it can move transversely so as to allow the transverse separation between each of the arms (50, 76) to be adjusted to suit the dimensions of the cardboard box, particularly the width (P) of its bottom.
  11. The machine (10) as claimed in any one of the preceding claims, characterized in that the carriage (32) is arranged transversely on the outside of the packaging line (16) so as to free up the space (136) situated vertically under the packaging line (16) to facilitate access to this part of the machine, particularly with a view to adjusting the transfer means (34) such as the grippers (36, 38, 76) or performing maintenance or cleaning operations.
EP06707693A 2005-03-03 2006-01-10 Machine for automated packaging of product(s) in a cardboard box Not-in-force EP1853482B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0550573A FR2882727B1 (en) 2005-03-03 2005-03-03 MACHINE FOR THE AUTOMATED PACKAGING OF PRODUCT (S) IN A CARDBOARD CASE
PCT/EP2006/050125 WO2006092342A1 (en) 2005-03-03 2006-01-10 Machine for automated packaging of product(s) in a cardboard box

Publications (2)

Publication Number Publication Date
EP1853482A1 EP1853482A1 (en) 2007-11-14
EP1853482B1 true EP1853482B1 (en) 2008-06-25

Family

ID=35045092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06707693A Not-in-force EP1853482B1 (en) 2005-03-03 2006-01-10 Machine for automated packaging of product(s) in a cardboard box

Country Status (11)

Country Link
US (1) US7607282B2 (en)
EP (1) EP1853482B1 (en)
JP (1) JP4913757B2 (en)
CN (1) CN101132967B (en)
AT (1) ATE399126T1 (en)
DE (1) DE602006001585D1 (en)
ES (1) ES2309946T3 (en)
FR (1) FR2882727B1 (en)
MX (1) MX2007009673A (en)
PT (1) PT1853482E (en)
WO (1) WO2006092342A1 (en)

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FR2907101B1 (en) * 2006-10-11 2009-01-16 Sidel Participations DEVICE FOR TRANSFERRING CARBON BOXES.
FR2907100B1 (en) * 2006-10-11 2010-10-01 Sidel Participations PACKAGING AND PACKAGING INSTALLATION.
KR101184450B1 (en) * 2010-10-05 2012-09-20 삼성전자주식회사 Auto packing apparatus and auto packing method
US20140298759A1 (en) * 2011-11-15 2014-10-09 Adaptapack Pty Limited Packaging assembly
CN103231822B (en) * 2013-04-28 2015-03-25 威县科创轻工设备有限公司 Dropping-packaging-type fully-automatic packing system based on sheet box blanks
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Also Published As

Publication number Publication date
MX2007009673A (en) 2007-09-26
ATE399126T1 (en) 2008-07-15
WO2006092342A1 (en) 2006-09-08
JP2008531421A (en) 2008-08-14
US20080155945A1 (en) 2008-07-03
DE602006001585D1 (en) 2008-08-07
CN101132967B (en) 2010-05-19
FR2882727B1 (en) 2007-05-18
US7607282B2 (en) 2009-10-27
EP1853482A1 (en) 2007-11-14
PT1853482E (en) 2008-08-08
FR2882727A1 (en) 2006-09-08
ES2309946T3 (en) 2008-12-16
CN101132967A (en) 2008-02-27
JP4913757B2 (en) 2012-04-11

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